Rocky Mountain Herbarium (RM), University of Wyoming
https://rmh.uwyo.edu/data/search.php

Database Search Results

2045 matching records found (of 2045).
Search query: Genus begins with Equisetum, Species begins with arvense, (search polygon not defined)
Sorted by: Scientific Name

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1.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Douglas County: East-central Colorado: Mosquito Range to Plains: Rampart Range: Turkey Creek: along the creek  Elev. 7520-8000 ft.
T10S R70W S32 SE1/4; N 1 air mi from crossing with Cedar Mountain or Forest Road 360, ca 44 air mi WSW of Westcreek also T11S R70W NW1/4 S4.  39.1352 N, 105.2503 W.  zone 13, 479919E, 4330602N.  
In dense willow thickets along the banks of the creek. Phenology: vegetative only. 

Timothy W. Chumley, 5836.  8/11/1996. 		 
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2.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: Elk Mountain: along middle Jack Creek at the springs, ca 39.5 air mi ESE of Rawlins; ca 18 air mi NE of Saratoga.  Elev. 8600-8800 ft.
T19N R81W S20 NE1/4.  41.6064 N, 106.5262 W; uncertainty 0.5 mi..  
Moist to wet meadows. Phenology: spores. 

B. E. Nelson, 39470.  7/30/1996. 		 
     with Amy J. Roderick
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3.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Park County: East-central Colorado: Mosquito Range to Plains: Puma Hills: along creek in Turner Gulch N of Schoolmarm Mountain, off Forest Road 237 ca 13 air mi ENE of Hartsel. NC1/4  Elev. 10000-10400 ft.
T11S R73W S6; S6.  39.13528 N, 105.6025 W.  zone 13, 447926E, 4331753N.  
Growing in shaded openings in willow thicket along the creek. Phenology: vegetative only. 

Timothy W. Chumley, 7098.  7/13/1997. 		RM 
     with Irene Thien
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4.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Northern Absaroka Area: Shoshone National Forest: Clearwater Creek and drainage, ca 27 air mi W of Cody.  Elev. 6000-6400 ft.
T52N R106W S19 NE1/4; also SW1/4 S18.  44.4618 N, 109.6643 W.  
Stream bottom and forest. Phenology: vegetative only. 

David Rosenthal, 56.  7/24/1996. 		USFS 852920	Barcode: USFS0037525
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5.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Northern Absaroka Area: Shoshone National Forest: along Clocktower Creek, ca 6-7 air mi W of Wapiti.  Elev. 6400-7100 ft.
T51N R106W S26 SE1/4; also NE1/4 S35.  44.3603 N, 109.5837 W.  
Stream bottom and adjacent slopes. Phenology: vegetative only. 

David Rosenthal, 99.  7/25/1996. 		USFS 852919	Barcode: USFS0037524
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6.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Northern Absaroka Area: Wapiti Ridge Area: Houlihan Creek and ridge to southwest.  Elev. 6400-7500 ft.
T50N R105W S15 SW1/4.  44.3023 N, 109.483 W.  
Stream bottom and forested slopes. Phenology: vegetative only. 

Ronald L. Hartman, 55126.  7/12/1996. 		USFS 852918	Barcode: USFS0037523
     with David Rosenthal
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7.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Wind River Range: Enos Creek and adjacent, 18 air mi WNW of Dubois.  Elev. 8800-8900 ft.
T42N R109W S19 NE1/4; also NW1/4 S20.  43.5906 N, 109.9781 W.  
Spruce forests with some lodgepole pine and meadows along stream. Phenology: vegetative only. 

Ronald L. Hartman, 55626.  7/20/1996. 		USFS 852917	Barcode: USFS0037522
     with David Rosenthal
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8.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Southwestern Absarokas: junction of Cabin Creek, South Fork Shoshone River and vicinity, ca 45 air mi SW of Cody.  Elev. 7500-8500 ft.
T51N R105W S27; also S34.  44.3603 N, 109.483 W.  
Mixed Picea-Pinus flexilis-Juniperus forest on rocky volcanics. Phenology: vegetative only. 

Neil Snow, 2607.  6/24/1988. 		 671886	Barcode: RM0031927
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9.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Southern Absaroka Area: Brooks Lake area, Bonneville Pass from trail head to top of pass.  Elev. 9400-9900 ft.
T44N R109W S17; also NW1/4 S16.  43.77806 N, 109.96139 W.  
Meadows and stream bottom. Phenology: vegetative only. 

Ronald L. Hartman, 56180.  8/18/1996. 		USFS 852916	Barcode: USFS0037521
     with David Rosenthal
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10.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Wind River Range: Shoshone National Forest: along Warm Springs Creek at Warm Springs Canyon access from east side of Warm Springs Mountain, ca 6.5 air mi ENE of Dubois; ca 1 air mi S of Stoney Point.  Elev. 7300 ft.
T42N R108W S36.  43.5618 N, 109.759 W.  
Shoreline and riparian forest along the creek in the canyon. Phenology: vegetative only. 

David Rosenthal, 1357.  6/25/1997. 		USFS 855361	Barcode: USFS0041345
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11.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Wind River Range: Shoshone National Forest: Wolf Creek Trailhead, ca 18 air mi NW of Dubois, end of Forest Road 532.  Elev. 8500-8700 ft.
T43N R109W S1 NW1/4.  43.7202 N, 109.8785 W.  
Mixed conifer forest with pond and seeps. Phenology: vegetative only. 

David Rosenthal, 1697.  7/1/1997. 		USFS 855360	Barcode: USFS0041344
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12.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Wind River Range: from saddle E of Gap Lake down main trail to boggy areas where lake used to be.  Elev. 7900-8200 ft.
T43N R108W S16 NE1/4 NW1/4; also NW1/4 NE1/4 S20.  43.6914 N, 109.8188 W.  
Mixed conifer forest with meadow leading to lake. Phenology: vegetative only. 

David Rosenthal, 1789.  7/1/1997. 		USFS 855359	Barcode: USFS0041343
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13.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Wind River Range: Shoshone National Forest: along drainage leading to Kitten Creek, ca 4 mi S of forest boundary on Union Pass Road, ca 10 air mi W of Dubois.  Elev. 8800-9000 ft.
T41N R108W S4; SW1/4 in part S4; also SE1/4 S5.  43.5474 N, 109.8188 W.  
Along drainage pine/spruce forest. Phenology: vegetative only. 

David Rosenthal, 1910.  7/2/1997. 		USFS 855075	Barcode: USFS0040629
     with Cathy Binger
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14.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Wind River Range: Fitzpatrick Wilderness Area: Shoshone National Forest: southeast flank of Whiskey Mountain.  Elev. 8600-9800 ft.
T40N R106W S20 N1/2.  43.4202 N, 109.6056 W.  
Open slopes interspersed with pine/spruce forest, with Salix and Populus in drainages. Phenology: spores. 

David Rosenthal, 2121.  7/8/1997. 		USFS 855358	Barcode: USFS0041342
     with Cathy Binger
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15.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Northern Absaroka Area: Shoshone National Forest: ca 14 air mi W of town of Wapiti on U.S. Hwy 14, 16, & 20 and intersection with Moss Creek, up creek from road.  Elev. 6200-6500 ft.
T52N R107W S22 NE1/4.  44.4618 N, 109.7247 W.  
Riparian woodland along stream with scattered sagebrush grading into mixed conifer forest; volcanic substrate. Phenology: vegetative only. 

David Rosenthal, 2198.  7/12/1997. 		USFS 855356	Barcode: USFS0041341
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16.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Northern Absaroka Area: Shoshone National Forest: Washakie Wilderness: Kitty Creek Pack Trail to Flora Lake, ca 21 air mi W of Wapiti.  Elev. 8200-8900 ft.
T51N R108W S5 NW1/4; also S6.  44.4183 N, 109.8858 W.  
Spruce/fir forest, also wet areas in drainage; volcanic substrate. Phenology: vegetative only. 

David Rosenthal, 2324.  7/13/1997. 		USFS 855355	Barcode: USFS0041340
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17.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Northern Absaroka Area: Shoshone National Forest: Northern Absaroka Wilderness: Dead Indian Creek Trail, ca 21 air mi NW of Cody.  Elev. 6700 ft.
T54N R104W S6 NE1/4.  44.6888 N, 109.4352 W.  
Moist area in and around sandy stream banks with Equisetum, Salix, Juncus, and Carex. Phenology: vegetative only. 

David Rosenthal, 2696.  7/18/1997. 		USFS 855354	Barcode: USFS0041339
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18.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Northern Absaroka Area: Shoshone National Forest: Northern Absaroka Wilderness: up Crandall Trail, ca 36 air mi WNW of Cody.  Elev. 6600-7300 ft.
T56N R107W S13 South1/2; also NE1/4 S23.  44.8336 N, 109.6985 W.  
Stream bottom and slopes. Phenology: vegetative only. 

David Rosenthal, 2895.  7/22/1997. 		USFS 855353	Barcode: USFS0041338
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19.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Wind River Range: Fitzpatrick Wilderness Area: Shoshone National Forest: pack trail leading to Bomber Basin, ca 7.5 air mi SSE of Dubois.  Elev. 7800-8600 ft.
T40N R106W S21 SE1/4; also NW1/4 S28.  43.4202 N, 109.5857 W.  
Spruce/fir/pine forest with granitic rocky outcrop. Phenology: vegetative only. 

David Rosenthal, 3108.  7/28/1997. 		USFS 855352	Barcode: USFS0041337
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20.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Wind River Range: Shoshone National Forest: end of Forest Road 534 at 4wd trail and Fish Creek Trail leading to Fish Lake, ca 17 air mi W of Dubois.  Elev. 8900-9180 ft.
T42N R109W S29 NW1/4 of NW1/4; also SE1/4 of SE1/4 S30; also NE1/4 and SE1/4 in part S31.  43.5762 N, 109.9582 W.  
Shoreline of lake and surrounding meadow. Phenology: vegetative only. 

David Rosenthal, 3285.  7/30/1997. 		USFS 855307	Barcode: USFS0041335
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21.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Wind River Range: Shoshone National Forest: intersection of Wildcat Road and Warm Spring Creek; Old Warm Spring cattle driveway, ca 7.5 air mi SW of Dubois.  Elev. 9500-9900 ft.
T41N R108W S24 SW1/4; NW1/4 and also SE1/4 of SE1/4 S23.  43.5042 N, 109.759 W.  
Stream bottom and adjacent slopes of spruce/pine. Phenology: vegetative only. 

David Rosenthal, 3435.  8/1/1997. 		USFS 855306	Barcode: USFS0041334
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22.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Wind River Range: Shoshone National Forest: end of Forest Road 533 at intersection of Crow Creek, old pack trail to Continental Divide and S along divide, ca 18.5 air mi W of Dubois.  Elev. 8800-9300 ft.
T41N R109W S11 SW1/4 SW1/4; also South1/2 S10.  43.533 N, 109.8985 W.  
Stream bottom and pine/spruce forest to ridge crest. Phenology: vegetative only. 

David Rosenthal, 3776.  8/8/1997. 		USFS 855305	Barcode: USFS0041333
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23.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Wind River Range: Fitzpatrick Wilderness Area: Shoshone National Forest: Glacier Trail and adjacent from "Big Meadow" to Double Lake, ca 17 air mi S of Dubois.  Elev. 9600-10300 ft.
T38N R106W S15 NE1/4; also E1/2 S10, SW1/4 SW1/4 S2, NE1/4 and NW1/4 S3.  43.2622 N, 109.5657 W.  
Spruce/fir and pine forests with meadows and rock outcrops along lakes. Phenology: vegetative only. 

David Rosenthal, 4114.  8/14/1997. 		USFS 855304	Barcode: USFS0041332
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24.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Wind River Range: Shoshone National Forest: ca 1 mi SE of Brooks Lake along Pinnacle Buttes Trail and adjacent, ca 25 air mi NW of Dubois.  Elev. 9100-9500 ft.
T44N R109W S30 South1/2; also NE1/4 of NE1/4 S31 and NW1/4 of NW1/4 S32.  43.749 N, 109.9781 W.  
Lodgepole pine and spruce/fir forest. Phenology: vegetative only. 

David Rosenthal, 4196.  8/18/1997. 		USFS 855303	Barcode: USFS0041331
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25.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Wind River Range: Shoshone National Forest: on west side of Union Pass Road, ca 0.1 mi S of intersection with Lake of the Woods Road, ca 11 air mi W of Dubois.  Elev. 9400-9700 ft.
T41N R108W S17 W1/2; also E1/2 S18.  43.5186 N, 109.8387 W.  
Cattle grazed meadows with scattered ponds. Phenology: vegetative only. 

David Rosenthal, 4349.  8/19/1997. 		USFS 855302	Barcode: USFS0041330
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26.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Northern Absaroka Area: Shoshone National Forest: along Blackwater Creek leading to main drainage on west side Clayton Mountain.  Elev. 7000-7600 ft.
T52N R107W S32 E1/2 SE1/4; also T51N R107W NE1/4 S5 and NW1/4 S4.  44.4328 N, 109.765 W.  
Mixed conifer forest, slopes, and rocky ridges; substrate volcanic. Phenology: vegetative only. 

David Rosenthal, 854.  6/16/1997. 		USFS 855362	Barcode: USFS0041346
     with Cathy Binger
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27.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: along Third Sand Creek and ridge to the S, ca 2-2.5 air mi E of Saddleback Hills; ca 11.5-12 air mi SE of Hanna; ca 4.5 air mi NNE of Elk Mountain (town).  Elev. 7160-7370 ft.
T21N R80W S34 N1/2.  41.7475 N, 106.3915 W.  
Bottom of deep draw along creek. Phenology: vegetative only. 

B. E. Nelson, 41148.  6/29/1997. 		RM 665626	Barcode: RM0125572
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28.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Northern Absaroka Area: Ishawooa Creek Pack Trail.  Elev. 6500-6700 ft.
T50N R106W S1 N1/4; also N1/2 S2.  44.3313 N, 109.5636 W.  
North exposure in Douglas fir forest and adjacent creek shoulder. Phenology: vegetative only. 

Ronald L. Hartman, 58976.  7/27/1997. 		USFS 855301	Barcode: USFS0041329
     with Jim Fowler
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29.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Northern Absaroka Area: Cabin Creek.  Elev. 6700-7600 ft.
T48N R107W S13 S1/2; also S1/2 S14.  44.1257 N, 109.6574 W.  
Stream bottom and adjacent hills. Phenology: vegetative only. 

Ronald L. Hartman, 59085.  7/29/1997. 		USFS 855076	Barcode: USFS0040630
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30.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Northern Absaroka Area: Ishawooa Pack Trail, ca 1 trail mi either side of Cut Coulee.  Elev. 7500-7600 ft.
T49N R106W S5 SE1/4; also S1/4 S6.  44.2443 N, 109.6442 W.  
South exposure, andesitic outcrops and derivatives. Phenology: vegetative only. 

Ronald L. Hartman, 59218.  7/31/1997. 		USFS 855077	Barcode: USFS0040631
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31.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Northern Absaroka Area: Bobcat Creek Trail.  Elev. 6200-6400 ft.
T50N R105W S21 SW1/4; also NW1/4 S28.  44.2878 N, 109.5032 W.  
Sagebrush slope and streamside. Phenology: vegetative only. 

Ronald L. Hartman, 59438.  8/11/1997. 		USFS 855300	Barcode: USFS0041328
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32.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Northern Absaroka Area: Buffalo Bill Reservoir, ca 12 air mi ESE of Wapiti.  Elev. 5500 ft.
T52N R103W S25 SW1/4.  44.4501 N, 109.1841 W.  
Lakeside, roadside, and along irrigation canal. Phenology: vegetative only. 

Ronald L. Hartman, 59760.  8/13/1997. 		USFS 855299	Barcode: USFS0041327
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33.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Northern Absaroka Area: Legg Creek area along the South Fork Shoshone River, South Fork Road, ca 1.8 air mi SW of Hunter Creek Road turnoff.  Elev. 6400-6600 ft.
T49N R106W S26 W1/2.  44.1863 N, 109.5837 W.  
Along gravel bars and low areas along the river and bench areas and disturbed areas. Phenology: vegetative only. 

Ronald L. Hartman, 59924.  8/16/1997. 		USFS 855298	Barcode: USFS0041326
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34.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: Cheyenne River from Sheep Creek to ca 1 mi downstream, ca 22 air mi NE of Bill; ca 54 air mi NNE of Douglas.  Elev. 4240 ft.
T40N R67W S7 W1/2.  43.4562 N, 104.9508 W; uncertainty 1 mi..  
Wet area between seep and river bed. Phenology: vegetative only. 

Peter J. Ebertowski, 2874.  8/14/2002. 		RM 
     with B. E. Nelson
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35.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Southwestern Absarokas: Teton Wilderness: vicinity of Hawks Rest Patrol Cabin, ca 1.3 air mi S of Yellowstone National Park.  Elev. 8050 ft.
T48N R110W S19.  44.1123 N, 110.1026 W.  
Streamside. Phenology: spores. 

Neil Snow, 2785.  6/29/1988. 		 671849	Barcode: RM0125542
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36.  Equisetum arvense L. 				Equisetaceae

U.S.A., Arizona, Coconino County: Coconino National Forest: in James Canyon 1/2 - 3/4 mi W of I-17, ca 11 air mi S of Flagstaff.  Elev. 6430-6500 ft.
T19N R7E S7 NW1/4.  35.0475 N, 111.6939 W to 35.0476 N, 111.6973 W; GPS Reading.  
Sand bar in end of box canyon. Phenology: vegetative only. 

B. E. Nelson, 63620.  9/25/2004. 		RM 
     with James F. Fowler
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37.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Gallatin County: West Side of the Bridger Range: Gallatin National Forest: along South Cottonwood Creek, ca 8 mi NE of Bozeman.  Elev. 6000 ft.
T1S R6E S10.  
Riparian community under Engelmann spruce and Douglas fir with Rubus parviflorus, Calamagrostis canadensis, and Streptopus amplexifolius. Phenology: vegetative only. 

Erwin F. Evert, 40315.  7/14/2003. 		RM 912142	Barcode: RM0067449
_________________________________________________________________________

38.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Madison County: Tobacco Root Mountains: Deerlodge National Forest: along the west side of the South Boulder River, ca 18 mi NE of Twin Bridges.  Elev. 6600 ft.
T2S R4W S25.  
Riparian community under Engelmann spruce with Equisetum arvense, Rubus parviflorus, and Carex disperma in the ground layer. Phenology: vegetative only. 

Erwin F. Evert, 40399.  7/16/2003. 		RM 912222	Barcode: RM0067385
_________________________________________________________________________

39.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Yellowstone Plateau: Yellowstone National Park: along Mountain Ash Creek, 1/8-1/4 mi S of Union Falls, ca 6 mi NW of Grassy Lake Reservoir.  Elev. 6780 ft.
T49N R116W S30.  
Spruce swamp and streamside with Calamagrostis canadensis, Ledum glandulosum, Menziesia ferruginea var. glabella, and Angelica arguta. Phenology: vegetative only. 

Erwin F. Evert, 40629.  8/6/2003. 		RM 913082	Barcode: RM0065540
_________________________________________________________________________

40.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Clearwater County: Clearwater Mountains: along north side of North Fork Clearwater River at Aquarius Campground, ca 19 mi NE of Headquarters.  Elev. 1800 ft.
T40N R7E S5 NW1/4.  46.8396 N, 115.6094 W.  
Mixed coniferous forest. 

Erwin F. Evert, 8047.  6/30/1985. 		 
_________________________________________________________________________

41.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sheridan County: Big Horn Mountains: just W of Story Fish Hatchery buildlings and ponds.  Elev. 5420-5600 ft.
T53N R84W S13.  44.5701 N, 106.9175 W.  
Under Pinus ponderosa with understory of Acer glabrum and Crataegus columbiana on an east-facing slope with calcareous, clayey soil. 

Erwin F. Evert, 8169.  7/8/1985. 		 
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42.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: north side of Clayton Mountain, above forks of June Creek, ca 2.5 mi S of U.S. Hwy 14, 16, & 20.  Elev. 7300 ft.
T52N R107W S34 SE1/4.  44.4328 N, 109.7247 W.  
Around springs issuing from hillside. 

Erwin F. Evert, 8605.  7/21/1985. 		 622397
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43.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: along Canyon Creek, ca 1.5-2 mi S of U.S. Hwy 14, 16, & 20.  Elev. 6500-6800 ft.
T52N R105W S32; also T51N R105W S6.  44.4328 N, 109.5233 W.  
Wet areas along creek. 

Erwin F. Evert, 9064.  7/31/1985. 		 622396	Barcode: RM0031843
_________________________________________________________________________

44.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Teton Range: North Fork Teton Creek, ca 1/8-1 mi N of Teton Canyon Campground.  Elev. 7200-7800 ft.
T44N R117W S20 SW1/4.  43.7622 N, 110.9119 W.  
Mixed conifer forest. 

Erwin F. Evert, 9199.  8/9/1985. 		 623823	Barcode: RM0125411
_________________________________________________________________________

45.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: along east side of Sweetwater Creek, ca 3-4 mi N of U.S. Hwy 14, 16, & 20.  Elev. 6400-6450 ft.
T52N R106W S6; also S32.  44.5053 N, 109.6643 W.  
Open lodgepole pine forest. 

Erwin F. Evert, 10082.  6/16/1986. 		RM 725117	Barcode: RM0031828
_________________________________________________________________________

46.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: along Clearwater Creek, ca 3 mi N of U.S. Hwy 14, 16, & 20.  Elev. 6600 ft.
T52N R107W S2.  44.5053 N, 109.7046 W.  
Open lodgepole pine forest with Calamagrostis rubescens and Poa nervosa dominating forest floor. 

Erwin F. Evert, 10173.  6/19/1986. 		 725019	Barcode: RM0031833
_________________________________________________________________________

47.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: Torrent Creek, just N of confluence with North Fork Shoshone River, ca 11 mi NNE of U.S. Hwy 14, 16, & 20.  Elev. 7780 ft.
T54N R108W S33.  44.6164 N, 109.8807 W.  
Wet gravel along creek bottom. 

Erwin F. Evert, 10462.  7/12/1986. 		 725380	Barcode: RM0031830
_________________________________________________________________________

48.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: along Jones Creek, ca 4 mi N of U.S. Hwy 14, 16, & 20; ca 3 mi W of confluence with North Fork Shoshone River.  Elev. 7500 ft.
T53N R109W S20.  44.5585 N, 110.0225 W.  
Wet areas and seepage along small stream in old burn area. 

Erwin F. Evert, 10942.  8/8/1986. 		 725961	Barcode: RM0031831
_________________________________________________________________________

49.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: Clearwater Creek, ca 4-6 mi N of U.S. Hwy 14, 16, & 20.  Elev. 7500-7800 ft.
T53N R107W S3; also T52N R107W S34.  44.6019 N, 109.739 W.  
Mixed coniferous forest. 

Erwin F. Evert, 11057.  8/14/1986. 		RM 725940	Barcode: RM0031829
_________________________________________________________________________

50.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: along small stream, just N of U.S. Hwy 14, 16, & 20, ca 0.5 mi E of the mouth of Canfield Creek.  Elev. 6650 ft.
T51N R109W S12.  44.4038 N, 109.9261 W; uncertainty 1 mi..  
Wet soil along stream bottom. 

Erwin F. Evert, 11157.  8/19/1986. 		 726023	Barcode: RM0031836
_________________________________________________________________________

51.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: in canyon just W of Chimney Rock, ca 1/8-1/4 mi N of U.S. Hwy 14, 16, & 20.  Elev. 6355-6400 ft.
T52N R108W S24.  44.4618 N, 109.8053 W.  
Canyon bottom along small stream. 

Erwin F. Evert, 11334.  8/22/1986. 		 726209	Barcode: RM0031832
_________________________________________________________________________

52.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: canyon just W of The Palisades, ca 1/8-1/4 mi N of U.S. Hwy 14, 16, & 20.  Elev. 6300-6400 ft.
T52N R107W S20.  44.4618 N, 109.765 W.  
Along stream in canyon bottom. 

Erwin F. Evert, 11500.  8/26/1986. 		 726369	Barcode: RM0031827
_________________________________________________________________________

53.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: immediately N of U.S. Hwy 14, 16, & 20, ca 0.5 mi W of the mouth of Libby Creek.  Elev. 6490 ft.
T52N R108W S21.  44.5053 N, 109.8254 W.  
In wet area along highway. 

Erwin F. Evert, 11538.  8/26/1986. 		 726396	Barcode: RM0031826
_________________________________________________________________________

54.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: along Eagle Creek, ca 1/4-1/2 mi S of U.S. Hwy 14, 16, & 20.  Elev. 6500 ft.
T52N R108W S19; also S20.  44.4618 N, 109.906 W.  
In moist, mossy, spruce-fir forest west of creek. 

Erwin F. Evert, 11568.  8/27/1986. 		 726451	Barcode: RM0031835
_________________________________________________________________________

55.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: along south side of North Fork Shoshone River, ca 1/8-1/2 mi W of the mouth of Eagle Creek.  Elev. 6500 ft.
T52N R108W S20.  44.4618 N, 109.8858 W; uncertainty 1 mi..  

Erwin F. Evert, 11631.  8/27/1986. 		 726477	Barcode: RM0031825
_________________________________________________________________________

56.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: along north side of North Fork Shoshone River, ca 1/8 mi W of Newton Creek Campground.  Elev. 6200 ft.
T52N R107W S29.  44.4473 N, 109.765 W.  
Disturbed riparian community along river. 

Erwin F. Evert, 11719.  8/29/1986. 		 726584	Barcode: RM0031857
_________________________________________________________________________

57.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: along north side of North Fork Shoshone River, ca 1/4 mi E of Chimney Rock.  Elev. 6300 ft.
T52N R108W S25.  44.44972 N, 109.8083 W.  
Riparian community and gravel bars along river. 

Erwin F. Evert, 11775.  8/29/1986. 		 726603	Barcode: RM0031858
_________________________________________________________________________

58.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: along Pagoda Creek, ca 1.5 mi S of U.S. Hwy 14, 16, & 20.  Elev. 6700 ft.
T52N R106W S27.  44.4473 N, 109.6039 W.  
Moist soil under Douglas fir. 

Erwin F. Evert, 9830.  6/11/1986. 		 724790	Barcode: RM0031834
_________________________________________________________________________

59.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: along Breteche Creek, ca 4 mi S of U.S. Hwy 14, 16, & 20.  Elev. 6500 ft.
T51N R104W S5 N1/2.  44.4211 N, 109.3858 W.  
In riparian community dominated by Populus balsamifera, Populus tremuloides and Alnus incana. Phenology: vegetative only. 

Erwin F. Evert, 12059.  6/11/1987. 		RM 730988	Barcode: RM0031822
_________________________________________________________________________

60.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: along Horse Creek, ca 2 mi N of U.S. Hwy 14, 16, & 20.  Elev. 6700 ft.
T52N R106W S10 NW1/4.  44.4908 N, 109.6039 W.  
Riparian community with Populus balsamifera, Pseudotsuga menziesii and Rosa woodsii. Phenology: vegetative only. 

Erwin F. Evert, 12197.  6/16/1987. 		 731305	Barcode: RM0031821
_________________________________________________________________________

61.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: along Lost Creek, ca 1-1.5 mi S of U.S. Hwy 14, 16, & 20.  Elev. 6100-6600 ft.
T52N R105W S31.  44.4328 N, 109.5435 W.  
Riparian community along creek with Populus balsamifera, Alnus incana, Equisetum arvense and Pseudotsuga menziesii in dryer areas. Phenology: vegetative only. 

Erwin F. Evert, 12382.  6/20/1987. 		RM 731598	Barcode: RM0031820
_________________________________________________________________________

62.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: along Sweetwater Creek, ca 4-5 mi N of U.S. Hwy 14, 16, & 20.  Elev. 6600-6700 ft.
T53N R106W S31; also S32.  44.5295 N, 109.6782 W.  
On gravel bars in riparian habitat adjacent to creek, dominated by Alnus incana, Cornus stololifera and Salix exigua with Pinus Contorta in dryer areas. Phenology: vegetative only. 

Erwin F. Evert, 13126.  7/9/1987. 		RM 731871	Barcode: RM0031847
_________________________________________________________________________

63.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: along Sheep Creek in canyon bottom, ca 0.5-1 mi S of U.S. Hwy 14, 16, & 20.  Elev. 6400-6500 ft.
T52N R107W S29.  44.4473 N, 109.765 W.  
Riparian community dominated by Picea engelmanii, Equisetum arvense and Alnus incana. Phenology: vegetative only. 

Erwin F. Evert, 13700.  8/12/1987. 		RM 732628	Barcode: RM0031823
_________________________________________________________________________

64.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: along Sheep Creek, ca 2-3 mi S of U.S. Hwy 14, 16, & 20.  Elev. 6500-6600 ft.
T52N R107W S31.  44.4328 N, 109.7851 W.  
Douglas fir forest with some Engelmann spruce and an understory dominated by Equisetum arvense, Actaea rubra and Orthilia secunda. Phenology: vegetative only. 

Erwin F. Evert, 13741.  8/14/1987. 		RM 732551	Barcode: RM0031824
_________________________________________________________________________

65.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: Fishhawk Meadows, ca 9 mi S of U.S. Hwy 14, 16, & 20.  Elev. 7700 ft.
T50N R108W S5.  44.3313 N, 109.8858 W.  
Open, gravelly lodgepole pine forest. Phenology: vegetative only. 

Erwin F. Evert, 14010.  8/19/1987. 		RM 732794	Barcode: RM0031819
_________________________________________________________________________

66.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: immediately E of Robbers Roost Cabin, ca 10 mi N of U.S. Hwy 14, 16, & 20.  Elev. 8100 ft.
T53N R104W S6 SW1/4 of.  44.6019 N, 109.4352 W.  
Along spring-run in semi-shade and wet soil, prominent species included: Picea engelmannii, Carex scopulorum, C. norvegia, and Equisetum arvense. Phenology: fruiting. 

Erwin F. Evert, 14872.  6/22/1988. 		RM 751643	Barcode: RM0031851
_________________________________________________________________________

67.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: along Rand Creek, ca 2 mi S of U.S. Hwy 14, 16, & 20, on northeast end of Table Mountain.  Elev. 7020 ft.
T52N R105W S35 NE1/4.  44.4328 N, 109.4629 W.  
Riparian community, prominent species included: Picea engelmannii, Alnus incana ssp. tenuifolia, Equisetum arvense, and Actaea rubra. Phenology: flowering & fruiting. 

Erwin F. Evert, 15309.  7/11/1988. 		RM 752350	Barcode: RM0031853
_________________________________________________________________________

68.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: along Crow Creek, ca 1 mi W of confluence with North Fork Shoshone River, ca 1.3 mi N of U.S. Hwy 14, 16, & 20.  Elev. 7180 ft.
T52N R109W S4.  44.5053 N, 109.9865 W; uncertainty 1 mi..  
Riparian community, prominent species included: Alnus incana ssp. tenuifolia, Equisetum arvense, and Picea engelmannii. Phenology: fruiting. 

Erwin F. Evert, 15324.  7/12/1988. 		RM 752342	Barcode: RM0031852
_________________________________________________________________________

69.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: ca 1/4 mi E of Pahaska along North Fork Shoshone River.  Elev. 6650 ft.
T52N R109W S3 SE1/4.  44.5053 N, 109.9664 W.  
Mixed coniferous forest of lodgepole pine, Engelmann spruce, and subalpine fir with an understory of Calamagrostis rubescens, Carex geyeri, and Symphoricarpos albus. Phenology: vegetative only. 

Erwin F. Evert, 15634.  7/29/1988. 		RM 752602	Barcode: RM0031859
_________________________________________________________________________

70.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: along east side of Goff Creek, ca 1/2 mi N of U.S. Hwy 14, 16, & 20.  Elev. 6800 ft.
T52N R108W S23.  44.46583 N, 109.8289 W.  
Riparian/stream edge mostly wet soil dominated by Alnus incana ssp. tenuifolia. Phenology: vegetative only. 

Erwin F. Evert, 15806.  8/6/1988. 		RM 752816	Barcode: RM0031854
_________________________________________________________________________

71.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: along Moss Creek, ca 1/2 mi N of U.S. Hwy 14, 16, & 20.  Elev. 6300 ft.
T52N R107W S22 NE1/4.  44.4618 N, 109.7247 W.  
Moist-wet gravel bar/streamside dominated by Alnus incana ssp. tenuifolia and Salix bebbii. Phenology: vegetative only. 

Erwin F. Evert, 15861.  8/7/1988. 		RM 752033	Barcode: RM0031856
_________________________________________________________________________

72.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: along bottom of West Grinnell Creek, ca 1/4 mi W of confluence with Grinnell Creek, ca 1.5 mi N of U.S. Hwy 14, 16, & 20.  Elev. 7200 ft.
T52N R109W S1 NE1/4.  44.5053 N, 109.9261 W.  
Moist, mixed coniferous forest of Picea engelmannii, Abies lasiocarpa, and Pinus contorta. Phenology: fruiting. 

Erwin F. Evert, 15901.  8/8/1988. 		RM 752072	Barcode: RM0031855
_________________________________________________________________________

73.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: along Mesa Creek, ca 0.5 mi S of U.S. Hwy 14, 16, & 20.  Elev. 6800 ft.
T52N R108W S25 NE1/4.  44.44972 N, 109.8083 W.  
Riparian/streamside, moist-wet soil, prominent species included: Alnus incana ssp. tenuifolia, Cornus stolonifera, Aster hesperius, and Cinna latifolia. Phenology: fruiting. 

Erwin F. Evert, 16054.  8/8/1988. 		RM 752270	Barcode: RM0031850
_________________________________________________________________________

74.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Bighorn Basin: just E of U.S. Hwy Alt. 14 and S of Shoshone River, NE of Cody.  Elev. 4680 ft.
T53N R101W S13.  44.5717 N, 108.9665 W.  
Gully bottom along irrigation runoff channel with Cirsium arvense, Carex lanuginosa, Poa pratensis, Smilacina stellata, and Eleagnus angustifolia. 

Erwin F. Evert, 18661.  6/8/1990. 		RM 618830	Barcode: RM0103143
_________________________________________________________________________

75.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Gallatin County: Madison Range: Gallatin National Forest: Axolotl Lake, ca 2 mi E of Potamogeton Park; ca 28 mi NNW of West Yellowstone.  Elev. 7600 ft.
T10S R3E S34.  44.9203 N, 111.3422 W.  
Wet-moist soil along open lake shore with Carex aquatilis, Equisetum arvense and Viola macloskeyi. Phenology: vegetative only. 

Erwin F. Evert, 19528.  7/1/1990. 		RM 619600
_________________________________________________________________________

76.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Carbon County: Beartooth Mountainds: Custer National Forest: along trail to Lake Mary: ca 1/2 mi S of lake, ca 15 mi W of Red Lodge.  Elev. 9200 ft.
T8S R18E S7.  45.1465 N, 109.5551 W.  
Wet, shaded soil along small brook with Carex norvegica, Streptopus ampexifolius, Heracleum lanatum and Ledum glandulosum. Phenology: vegetative only. 

Erwin F. Evert, 19594.  7/22/1990. 		RM 619547
_________________________________________________________________________

77.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Park County: Absaroka-Beartooth Mountains: Gallatin National Forest: along South Fork Deep Creek, ca 11 mi SE of Livingston.  Elev. 7000-7600 ft.
T4S R10E S3; also S10.  45.5161 N, 110.4778 W.  
Moist spruce-fir forest with lodgepole pine and with Arnica cordifolia, Elymus glaucus, Vaccinium scoparium, and Orthilia secunda prominent in groundlayer. Phenology: vegetative only. 

Erwin F. Evert, 20054.  8/4/1990. 		RM 621517
_________________________________________________________________________

78.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Park County: Absaroka-Beartooth Mountains: Gallatin National Forest: along West Fork Mill Creek, ca 21 mi NNE of Gardiner.  Elev. 5900 ft.
T6S R9E S24.  45.2996 N, 110.5657 W.  
Moist spruce forest and riparian edge with Equisetum arvense, Carex deweyana and Linnaea borealis. Phenology: vegetative only. 

Erwin F. Evert, 20062.  8/5/1990. 		RM 621510
_________________________________________________________________________

79.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Gallatin County: Madison Range: Spanish Peaks area: Gallatin National Forest: along Deer Creek Trail, ca 3-4 mi W of U.S. Highway 191, ca 26 mi SSW of Bozeman.  Elev. 7700-8000 ft.
T6S R4E S8; also S16.  45.3276 N, 111.2605 W.  
Moist spruce-fir forest in creek bottom, prominent understory species include Alnus viridis and Ledum glandulosum. Phenology: vegetative only. 

Erwin F. Evert, 20228.  8/11/1990. 		RM 621191
_________________________________________________________________________

80.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Teton County: Targhee National Forest: Big Hole Mountains: just N of Pine Creek Campground along both sides of Idaho Hwy 31, ca 6 mi W of Victor.  Elev. 6600 ft.
T3N R44E S24.  43.5736 N, 111.2074 W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO!.  
Subalpine fir-Engelmann spruce forest with Carex geyeri, Vaccinium globulare, Paxistima myrsinites, and Arnica cordifolia in groudlayer. 

Erwin F. Evert, 21038.  6/19/1991. 		 
_________________________________________________________________________

81.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Stillwater County: Swinging Bridge Fishing Access along the east side of the Stillwater River, ca 6 mi NE of Absarokee.  Elev. 3800 ft.
T3S R19E S12.  45.5889 N, 109.326 W.  
Riparian area with Populus balsamifera, Toxicodendron rydbergii, and Cornus stolonifera. Phenology: vegetative only. 

Erwin F. Evert, 21090.  6/27/1991. 		RM 739335
_________________________________________________________________________

82.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Carbon County: Beartooth Mountains: Custer National Forest: Sand Dunes Picnic Ground, ca 17 mi NW of Red Lodge.  Elev. 5500 ft.
T7S R17E S2.  45.2508 N, 109.5965 W.  
Lodgepole pine forest with Maianthemum racemosum, Mahonia repens, Viola corymbosa, Actaea rubra, and Arnica cordifolia. Phenology: vegetative only. 

Erwin F. Evert, 21205.  6/27/1991. 		RM 739638
_________________________________________________________________________

83.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Carbon County: Beartooth Mountains: Custer National Forest: ca 0.5 mi N of Emerald Lake along west side of West Rosebud Creek, ca 25 mi W of Red Lodge.  Elev. 6300 ft.
T7S R17E S6.  45.2508 N, 109.6794 W.  
Open seepage along creek with small Pinus contorta, Arnica mollis, Mertensia ciliata, and Carex canescens. Phenology: vegetative only. 

Erwin F. Evert, 21311.  6/28/1991. 		RM 739706
_________________________________________________________________________

84.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Gallatin County: Gallatin Range: Gallatin National Forest: Tom Miner Campground, ca 20 mi NW of Gardiner along Trail Creek.  Elev. 7100 ft.
T8S R5E S24.  45.1241 N, 111.0569 W.  
Spruce-fir forest with some seepage along creek, with Mitella pentandra, Equisetum arvense, Pyrola chlorantha, and Carex disperma. Phenology: vegetative only. 

Erwin F. Evert, 21627.  7/9/1991. 		RM 739007
_________________________________________________________________________

85.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Sweet Grass County: Beartooth Mountains: Gallatin National Forest: along trail above Graham Creek, a tributary of the Boulder River, ca 28 mi SW of Big Timber.  Elev. 6800-7800 ft.
T4S R12E S24; also T4S R13E S19.  45.4724 N, 110.1898 W.  
Mixed coniferous forest with Vaccinium membranaceum, Linnaea borealis, and Arnica cordifolia. Phenology: vegetative only. 

Erwin F. Evert, 21996.  7/19/1991. 		RM 739882
_________________________________________________________________________

86.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Madison County: Madison Range: Beaverhead National Forest: along Bear Creek on The Helmet-Sphinx Mountain Trail, ca 16 mi SE of Ennis.  Elev. 6600-6900 ft.
T8S R2E S7.  45.1531 N, 111.5261 W.  
Moist-wet spruce forest along the creek with Saxifraga odontoloma, Streptopus amplexifolius, and Angelica arguta. Phenology: vegetative only. 

Erwin F. Evert, 22358.  7/30/1991. 		 740216
_________________________________________________________________________

87.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Carbon County: Along east side Rock Creek at Beaver Lodge fishing access site, ca 5 mi N of Red Lodge.  Elev. 5100 ft.
T6S R20E S35.  45.2657 N, 109.1617 W.  
Riparian area on along creek with Populus balsamifera, Crategus douglasii, Carex stipata, and Rudbeckia laciniata. Phenology: vegetative only. 

Erwin F. Evert, 22698.  6/11/1992. 		 779801
_________________________________________________________________________

88.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Park County: Gallatin Range: along south side of Big Creek and forest access road just W of Sunnybrook Spring, ca 30 mi S of Bozeman.  Elev. 5600 ft.
T6S R7E S17 SW1/4.  45.3142 N, 110.888 W.  
Douglas fir forest on north-facing slope with Galium triflorum, Physocarpus malvaceus, and Disporum trachycarpum. Phenology: vegetative only. 

Erwin F. Evert, 22960.  6/21/1992. 		RM 753932
_________________________________________________________________________

89.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Park County: Gallatin Range: Gallatin National Forest: along south side of Pine Creek and Forest Road 978, ca 20 mi SE of Bozeman.  Elev. 6100 ft.
T4S R8E S5 SW1/4.  45.5161 N, 110.7657 W.  
Spruce forest on north-facing slope in moist-wet soil with Equisetum arvense, Mitella pentandra, Viola canadensis, and Carex sprengelii. Phenology: vegetative only. 

Erwin F. Evert, 23066.  6/22/1992. 		RM 753833
_________________________________________________________________________

90.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Gallatin County: Gallatin Range: Gallatin National Forest: along east side of Langhor Road, ca 11 mi S of Bozeman.  Elev. 6500 ft.
T4S R6E S5.  45.5161 N, 111.0125 W.  
Wet Engelmann spruce forest along small stream with Mitella pentandra, Streptopus amplexifolius, Carex disperma, and Equisetum arvense. Phenology: vegetative only. 

Erwin F. Evert, 23264.  6/22/1992. 		RM 754173
_________________________________________________________________________

91.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Teton County: Big Hole Mountains: Targhee National Forest: along south side of South Fork Packsaddle Creek and just N of Forest Road 235; ca 12 mi WNW of Driggs.  Elev. 6950 ft.
T5N R43E S24 SE1/4.  46.1725 N, 106.2898 W.  
Riparian area with Senecio triangularis, Salix drummondiana, and Cornus stolonifera. Phenology: vegetative only. 

Erwin F. Evert, 23453.  7/7/1992. 		RM 754918
_________________________________________________________________________

92.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Wind River Range: Shoshone National Forest: along jeep trail ca 5 mi NE of Union Pass; ca 11 air mi W of Dubois.  Elev. 8900 ft.
T41N R108W S5 SE1/4.  43.5474 N, 109.8387 W.  
Seepage slope/wet meadow within spruce-fir forest with Salix eastwoodiae, Swertia perennis, and Equisetum arvense. 

Erwin F. Evert, 24448.  8/7/1992. 		 779665	Barcode: RM0031911
_________________________________________________________________________

93.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Stillwater County: Beartooth Mountains: along west side of Lodgepole Creek immediately W and N of ranch buildings, ca 1 mi N of Limestone; ca 9 mi NW of Nye.  Elev. 5640 ft.
T4S R15E S17 NW1/4.  45.4869 N, 109.9016 W.  
Mire and swamp forest of Picea glauca with Carex disperma, Angelica arguta, Rudbeckia laciniata, and Petasites sagittatus. 

Erwin F. Evert, 24676.  6/3/1993. 		RM 
_________________________________________________________________________

94.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Sweet Grass County: Beartooth Mountains: Custer National Forest: along east side of the West Fork Stillwater River just SE of end of road and bridge, ca 12 mi SW of Nye.  Elev. 6500 ft.
T5S R14E S14 SW1/4.  45.3995 N, 109.9633 W.  
Moist spruce forest with Moneses uniflora, Carex disperma, Orthilia secunda, Lycopodium annotinum, Equisetum arvense, and Mitella pentandra. Phenology: vegetative only. 

Erwin F. Evert, 25855.  7/10/1993. 		RM 611328
_________________________________________________________________________

95.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Madison County: Madison Range: Beaverhead National Forest: along Papoose Creek in the foothills, ca 1 mi E of U.S. Hwy 287, 23 mi S of Cameron.  Elev. 6200 ft.
T11S R1E S2.  44.9045 N, 111.5688 W.  
Moist-wet spruce forest with Orthilia secunda, Thalictrum occidentale, Pyrola asarifolia, and Carex disperma. Phenology: vegetative only. 

Erwin F. Evert, 26405.  8/1/1993. 		RM 610521
_________________________________________________________________________

96.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Madison County: Madison Range: Beaverhead National Forest: along West Hammond Creek, ca 1/8-1/4 mi S of Hammond Creek Ranger Station, 12 mi E of Ennis.  Elev. 6300 ft.
T5S R2E S32 SW1/4.  45.3559 N, 111.5061 W.  
White spruce swamp with Equisetum arvense, Carex interior, Eleocharis palustris, and Pedicularis groenlandica. Phenology: vegetative only. 

Erwin F. Evert, 26521.  8/2/1993. 		RM 610622
_________________________________________________________________________

97.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Carbon County: Beartooth Mountains: Custer National Forest: Wild Bill Lake Picnic area, 6 mi SW of Red Lodge.  Elev. 6720 ft.
T8S R19E S3 SW1/4.  45.1614 N, 109.3687 W.  
Wet depression just E of lake with Equisetum arvense, Carex disperma, Geum macrophyllum, and Alnus incana. Phenology: vegetative only. 

Erwin F. Evert, 26885.  6/7/1994. 		RM 780608
_________________________________________________________________________

98.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Fremont County: Along the north shore of Henrys Lake immediately S of U.S. Hwy 287 and W of Wild Rose Ranch.  Elev. 6500 ft.
T16N R43E S32.  44.6712 N, 111.4075 W.  
Picea glauca/engelmannii swamp and mire with Equisetum arvense, Carex disperma, Platanthera obtusata, and Carex rostrata. Phenology: fruiting. 

Erwin F. Evert, 27024.  6/15/1994. 		RM 780513
_________________________________________________________________________

99.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Carbon County: Beartooth Mountains: Custer National Forest: immediately SW of East Rosebud Lake inlet; 20 mi W of Red Lodge.  Elev. 6210 ft.
T7S R17E S28 NE1/4.  45.1912 N, 109.638 W.  
Spruce forest and swamp with Carex disperma, Equisetum arvense, Lilium philadelphicum, and Platanthera dilatata. Phenology: vegetative only. 

Erwin F. Evert, 27310.  6/26/1994. 		RM 781446
_________________________________________________________________________

100.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Stillwater County: Beartooth Mountains: Custer National Forest: Emerald Lake Campground: between West Rosebud Creek and the campground, 25 mi WNW of Red Lodge.  Elev. 6360 ft.
T7S R16E S1 NW1/4.  45.2508 N, 109.7001 W.  
Spruce swamp with Picea glauca, Picea engelmannii, Carex leptalea, Carex disperma, Equisetum arvense, and Pyrola asarifolia. Phenology: vegetative only. 

Erwin F. Evert, 27514.  6/27/1994. 		RM 780937
_________________________________________________________________________

101.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Teton Range: J. D. Rockefeller Jr. Memorial Parkway: along Glade Creek Trail, ca 4 mi SW of Flagg Ranch.  Elev. 7100 ft.
T48N R116W S36.  44.0805 N, 110.725 W.  
Marsh just W of trail with Salix drummondii, Eriophorum polystachion, and Deschampsia cespitosa. Phenology: vegetative only. 

Erwin F. Evert, 27739.  7/6/1994. 		RM 780685	Barcode: RM0125482
_________________________________________________________________________

102.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Teton Range: along Flagg-Ashton Road just W of Glade Creek, J. D. Rockefeller Jr. Memorial Parkway; ca 6 mi SW of Flagg Ranch.  Elev. 7200 ft.
T48N R116W S22.  44.10889 N, 110.7625 W.  
Moist spruce-fir forest with Mitella pentandra, Listera cordata, Carex disperma, and Orthilia secunda. Phenology: flowering. 

Erwin F. Evert, 27774.  7/6/1994. 		RM 780652	Barcode: RM0125480
_________________________________________________________________________

103.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Carbon County: Beartooth Mountains: Custer National Forest: East Rosebud Canyon, northwest end of Elk Lake just S of inlet; ca 20 mi W of Red Lodge.  Elev. 6785 ft.
T8S R17E S5.  45.1614 N, 109.6587 W.  
White spruce forest near lake shore with Pyrola asarifolia, Carex disperma, Equisetum arvense, and Cinna latifolia. 

Erwin F. Evert, 28056.  7/19/1994. 		RM 781617
_________________________________________________________________________

104.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Sweet Grass County: Beartooth Mountains: Custer National Forest: along small tributary just S of Picket Pin Creek, ca 10 mi W of Nye.  Elev. 7050-7100 ft.
T5S R14E S3 NW1/4.  45.2523 N, 109.9713 W.  
Wet-moist spruce forest with Mitella pentandra, Carex disperma, Moneses uniflora, and Trollius laxus. Phenology: vegetative only. 

Erwin F. Evert, 28158.  7/20/1994. 		RM 781252
_________________________________________________________________________

105.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Absaroka Mountains: Bridger-Teton National Forest: Two Ocean Pass, along Pacific Creek, ca 30 mi NE of Moran.  Elev. 8160 ft.
T47N R111W S15.  44.04 N, 110.1629 W.  
Riparian community with Parnassia fimbriata, Senecio triangularis, and Arnica mollis. Phenology: vegetative only. 

Erwin F. Evert, 28391.  7/28/1994. 		RM 781022	Barcode: RM0125937
_________________________________________________________________________

106.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Park County: Absaroka Mountains: Gallatin National Forest: along North Fork of Bear Creek; just N of Jardine.  Elev. 6900-6950 ft.
T9S R9E S4.  45.0804 N, 110.6271 W.  
Disturbed riparian/spruce forest with Aster hesperius, Calamagrostis canadensis, and Orthilia secunda. Phenology: vegetative only. 

Erwin F. Evert, 28614.  8/10/1994. 		RM 781909	Barcode: RM0104044
_________________________________________________________________________

107.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Park County: Absaroka-Beartooth Mountains: Gallatin National Forest: along the west side of Emigrant Creek, ca 6 mi SE of Emigrant.  Elev. 6150 ft.
T6S R8E S25.  45.2849 N, 110.6866 W.  
Riparian/streamside community with Populus balsamifera, Alnus viridis, and Equisetum arvense. Phenology: vegetative only. 

Erwin F. Evert, 29107.  6/15/1995. 		RM 782598
_________________________________________________________________________

108.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Park County: Absaroka-Beartooth Mountains: Gallatin National Forest: along Suce Creek, ca 8 mi SE of Livingston.  Elev. 5600 ft.
T3S R10E S16.  45.5743 N, 110.4983 W.  
Mixed coniferous forest with Acer glabrum, Linnaea borealis, Salix scouleriana, and Viola canadensis. Phenology: vegetative only. 

Erwin F. Evert, 29280.  6/17/1995. 		RM 782774	Barcode: RM0104041
_________________________________________________________________________

109.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Southeastern Absarokas: Shoshone National Forest: along the southeast side of Horse Creek ca 1/3 mi NE of Horse Creek Campground, ca 10 mi N of Dubois.  Elev. 7720 ft.
T43N R106W S19.  43.6758 N, 109.62694 W.  
Riparian/gravel bar community with Juncus balticus, Polemonium pulcherrimum, Equisetum variegatum, and Antennaria corymbosa. Phenology: vegetative only. 

Erwin F. Evert, 29647.  6/25/1995. 		RM 783706	Barcode: RM0031846
_________________________________________________________________________

110.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Sweet Grass County: Beartooth Mountains: Gallatin National Forest: along West Bridger Creek, ca 15 mi SSE of Big Timber.  Elev. 5160 ft.
T2S R15E S34.  45.618 N, 109.8607 W.  
Riparian community and adjacent Douglas fir forest with Viola canadensis, Acer glabrum, Alnus incana, Streptopus amplexifolius, and Carex disperma. Phenology: vegetative only. 

Erwin F. Evert, 29790.  7/6/1995. 		RM 783070
_________________________________________________________________________

111.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Sweet Grass County: Beartooth Mountains: Gallatin National Forest: along the south side of the East Boulder River at East Boulder Campground, ca 20 mi S of Big Timber.  Elev. 5650 ft.
T3S R13E S32.  45.5306 N, 110.1487 W.  
Wet white spruce forest with Equisetum arvense, Carex disperma, Geum rivale, and Senecio pseudaureus. Phenology: vegetative only. 

Erwin F. Evert, 29957.  7/7/1995. 		RM 783217
_________________________________________________________________________

112.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Sweet Grass County: Beartooth Mountains: Gallatin National Forest: along East Boulder River, ca 4 mi ESE of East Boulder Campground, ca 24 mi S of Big Timber.  Elev. 6150 ft.
T4S R13E S2.  45.5161 N, 110.087 W.  
White spruce forest with Douglas fir and with Oryzopsis asperifolia, Antennaria racemosa, and Arnica cordifolia in the groundlayer. Phenology: vegetative only. 

Erwin F. Evert, 30009.  7/8/1995. 		RM 783265
_________________________________________________________________________

113.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Park County: Beartooth Mountains: Gallatin National Forest: Vernon Lake, ca 5 mi E of Cooke City.  Elev. 7865 ft.
T9S R15E S35.  45.006 N, 109.828 W.  
Wet-moist spruce-fir forest adjacent to lake with Equisetum arvense, Linnaea borealis, Calamagrostis canadensis, Platanthera dilatata, and Moneses uniflora. Phenology: vegetative only. 

Erwin F. Evert, 30156.  7/17/1995. 		RM 782240
_________________________________________________________________________

114.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Park County: Absaroka Mountains: Gallatin National Forest: along Republic Creek, ca 1/4-1/2 mi S of Cooke City.  Elev. 7600-8000 ft.
T9S R14E S25; also S36.  45.0205 N, 109.9304 W.  
Moist spruce-fir forest with Vaccinium scoparium, Arnica cordifolia, Antennaria racemosa, and Smilacina stellata. Phenology: vegetative only. 

Erwin F. Evert, 30268.  7/18/1995. 		 782351
_________________________________________________________________________

115.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Park County: Absaroka Mountains: Gallatin National Forest: along the south side of Soda Butte Creek, ca 3/4 mi E of Silver Gate.  Elev. 7460 ft.
T9S R14E S27.  45.0205 N, 109.9713 W.  
Spruce-fir forest with Equisetum arvense, Linnaea borealis, Vaccinium scoparium, and Moneses uniflora. Phenology: vegetative only. 

Erwin F. Evert, 30369.  7/19/1995. 		RM 782998	Barcode: RM0104039
_________________________________________________________________________

116.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Carbon County: Ridge 2.5 mi SW of Fromberg and 3/4 mi W of U.S. Highway 310.  Elev. 3775 ft.
T5S R23E S31.  45.3559 N, 108.9352 W; uncertainty 1 mi..  
Along irrigation ditch with Equisetum arvense, Iva axillaris, and Alopecurus arundinaceus. Phenology: vegetative only. 

Erwin F. Evert, 30781.  6/4/1996. 		RM 788202
_________________________________________________________________________

117.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Stillwater County: Along the east side of the Stillwater River at Whitebird Fishing Access and Campground, 6 mi SW of Columbus.  Elev. 3780 ft.
T3S R19E S14.  45.5743 N, 109.3466 W; uncertainty 1 mi..  
Disturbed riparian community with Populus balsamifera, Betula occidentalis, and Rudbeckia laciniata. Phenology: vegetative only. 

Erwin F. Evert, 30835.  6/5/1996. 		RM 787994
_________________________________________________________________________

118.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Gallatin County: Gallatin Range foothills: Gallatin National Forest: Sourdough Canyon along east side of Sourdough Creek, 6 mi S of Bozeman.  Elev. 5360-5440 ft.
T3S R6E S18; also S17.  45.5743 N, 111.0331 W.  
Riparian community with Cornus sericea, Populus balsamifera, and Acer glabrum. Phenology: vegetative only. 

Erwin F. Evert, 31070.  6/14/1996. 		RM 787037
_________________________________________________________________________

119.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Gallatin County: Gallatin Range foothills: along the south side of Rocky Creek and the Burlington Northern tracks, 5 mi SE of Bozeman.  Elev. 4960 ft.
T2S R6E S25.  45.6325 N, 110.9302 W; uncertainty 1 mi..  
Riparian and seepage along creek with Populus balsamifera, Circaea alpina, and Equsetum arvense. Phenology: vegetative only. 

Erwin F. Evert, 31140.  6/14/1996. 		RM 787104
_________________________________________________________________________

120.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Park County: Absaroka Mountains: Gallatin National Forest: Timber Camp Recreation site just E of Bear Creek, ca 2 mi NE of Jardine.  Elev. 7120 ft.
T8S R9E S34.  45.095 N, 110.6066 W; uncertainty 1 mi..  
Spruce-fir forest and stream edge with Arnica cordifolia, Equisetum arvense, and Thalictrum occidentale. Phenology: vegetative only. 

Erwin F. Evert, 31229.  6/20/1996. 		RM 787179
_________________________________________________________________________

121.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Park County: Absaroka Mountains: Gallatin National Forest: along south side of Jardine Road around pond 2 mi NE of Gardiner.  Elev. 6290 ft.
T9S R9E S18.  45.0513 N, 110.668 W; uncertainty 1 mi..  
Disturbed wet-moist soil with Populus balsamifera, Juncus balticus, and Trifolium repens. Phenology: vegetative only. 

Erwin F. Evert, 31285.  6/21/1996. 		RM 786975
_________________________________________________________________________

122.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Park County: Absaroka Mountains: Gallatin National Forest: along Gold Prize Creek, 0-1/3 mi E of confluence with Sixmile Creek, 8 mi S of Emigrant.  Elev. 5600-5800 ft.
T7S R8E S5.  45.2584 N, 110.7692 W; uncertainty 0.25 mi..  
Riparian community with Populus balsamifera, Smilacina stellata, and Viola canadensis var. corymbosa. Phenology: vegetative only. 

Erwin F. Evert, 31480.  6/22/1996. 		RM 787378
_________________________________________________________________________

123.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Gallatin County: Gallatin Range foothills: Gallatin National Forest: Elkhorn Creek Canyon, ca 1/2-1 mi E of Montana Highway 191, 40 mi N of West Yellowstone.  Elev. 6400-6600 ft.
T8S R4E S9.  45.1531 N, 111.2401 W; uncertainty 1 mi..  
Spruce-fir forest and openings with Linnaea borealis, Antennaria racemosa, and Vaccinium scoparium. Phenology: vegetative only. 

Erwin F. Evert, 31597.  6/27/1996. 		RM 787476
_________________________________________________________________________

124.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Gallatin County: Gallatin Range foothills: Gallatin National Forest: Spire Rock Campground along south side of Squaw Creek, 23 mi SW of Bozeman.  Elev. 5600 ft.
T4S R4E S35.  45.4433 N, 111.1976 W; uncertainty 1 mi..  
Riparian community under Picea glauca with Viola canadensis var. corymbosa, Equisetum arvense, and Linnaea borealis. Phenology: vegetative only. 

Erwin F. Evert, 31642.  6/28/1996. 		RM 787218
_________________________________________________________________________

125.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Gallatin County: Gallatin Range foothills: along the south side of Squaw Creek, 1/4 mi E of Rat Lake Road, 20 mi SW of Bozeman.  Elev. 5920 ft.
T5S R5E S6.  45.4287 N, 111.1565 W; uncertainty 1 mi..  
Spruce-fir forest with Linnaea borealis, Equisetum arvense, Vaccinium scoparium, and Streptopus amplexifolius. Phenology: vegetative only. 

Erwin F. Evert, 31714.  6/28/1996. 		RM 788434
_________________________________________________________________________

126.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Gallatin County: Madison Range foothills: Gallatin National Forest: along Hell Roaring Creek, ca 1 mi W of Montana Highway 191, 26 mi SW of Bozeman.  Elev. 5600-5700 ft.
T5S R4E S4; also S5.  45.4287 N, 111.2387 W.  
Riparian spruce-fir forest with some lodgepole pine and ground layer of Linnaea borealis and Vaccinium membranaceum. Phenology: vegetative only. 

Erwin F. Evert, 31764.  6/29/1996. 		RM 788422
_________________________________________________________________________

127.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Park County: Absaroka Mountains: Gallatin National Forest: along Pine Creek just E of Bear Creek Road, 1 mi NE of Jardine.  Elev. 7060 ft.
T9S R9E S4.  45.0804 N, 110.6271 W; uncertainty 1 mi..  
Riparian community with Streptopus amplexifolius, Salix drummondiana, Senecio triangularis, and Picea engelmannii. Phenology: vegetative only. 

Erwin F. Evert, 32641.  8/9/1996. 		RM 787682
_________________________________________________________________________

128.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Park County: Absaroka Mountains: Gallatin National Forest: along the east side of Bear Creek: ca 1/4 mi below confluence with Darroch Creek, 3 mi NE of Jaradine.  Elev. 7150 ft.
T8S R9E S27.  45.1095 N, 110.6066 W; uncertainty 1 mi..  
Wet spruce forest with Mimulus lewisii, Saxifraga ondontoloma, and Equisetum arvense. Phenology: vegetative only. 

Erwin F. Evert, 32696.  8/10/1996. 		RM 787815
_________________________________________________________________________

129.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Carbon County: Along Monahan Road just N of intersection with County Road 421, 1.3 mi W of Joliet.  Elev. 3900 ft.
T4S R22E S15.  45.487 N, 108.9969 W; uncertainty 1 mi..  
Along roads and irrigation ditch with Equisetum arvense and Fraxinus pennsylvanica. Phenology: fruiting. 

Erwin F. Evert, 32925.  6/11/1997. 		RM 818314	Barcode: RM0021599
_________________________________________________________________________

130.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Fremont County: Centennial Mountains: Targhee National Forest: along Tin Cup Creek, 2-3 mi SW of Mt. Jefferson.  Elev. 7400 ft.
T14N R42E S18.  
Wet spruce forest adjacent to small pond with Mitella pentandra, Equisetum arvense, and Listera cordata. Phenology: flowering & fruiting. 

Erwin F. Evert, 33609.  7/9/1997. 		RM 818937	Barcode: RM0024510
_________________________________________________________________________

131.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Gallatin County: Gallatin Range: Gallatin National Forest: just N of Hidden Lakes trailhead, 4 mi E of U.S. Hwy 191, 28 mi SSW of Bozeman.  Elev. 8000 ft.
T6S R5E S30.  
Wet soil adjacent to brook in spruce-fir forest with Calamagrostis canadensis, Equisetum arvense, and Trollius laxus var. albiflorus. Phenology: vegetative only. 

Erwin F. Evert, 34167.  7/29/1997. 		RM 819494	Barcode: RM0016269
_________________________________________________________________________

132.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Park County: Yellowstone Valley: Springdale Bridge Public Boating Access, along the south side of the Yellowstone River, 18 mi E of Livingston.  Elev. 4220 ft.
T1S R12E S15.  
Riparian community in moist sandy soil with Populus angustifolia, Salix lasiandra var. caudata, and Spartina pectinata. Phenology: vegetative only. 

Erwin F. Evert, 34528.  8/5/1997. 		RM 819894	Barcode: RM0014594
_________________________________________________________________________

133.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Carbon County: Along the south side of Yellowstone River at the mouth of Wolf Canyon, ca 14 mi WSW of Laurel.  Elev. 3420 ft.
T3S R22E S8 NE1/4.  45.5889 N, 109.0381 W; uncertainty 0.5 mi..  
Disturbed riparian community in wet soil with Populus deltoides, Acer negundo, and Salix amygdaloides. Phenology: vegetative only. 

Erwin F. Evert, 34874.  6/2/1998. 		RM 820163	Barcode: RM0014993
_________________________________________________________________________

134.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Park County: Gallatin National Forest: along the north side of Yellowstone River just west of Bear Creek, 2 mi E of Gardiner.  Elev. 5300-5400 ft.
T9S R9E S19.  45.0368 N, 110.668 W; uncertainty 1 mi..  
Open, vernally moist sinter in thermal area with Eleocharis rostellata, Deschampsia cespitosa, and Sporobolus airoides. Phenology: fruiting. 

Erwin F. Evert, 35238.  6/29/1998. 		RM 821039	Barcode: RM0014003
_________________________________________________________________________

135.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Park County: Absaroka-Beartooth Mountains: Gallatin National Forest: along the south side of the North Fork Sixmile Creek.  Elev. 6300-6500 ft.
T7S R8E S10.  45.2409 N, 110.7269 W; uncertainty 1 mi..  
Riparian community with Salix bebbiana, Mertensia ciliata, and Geum macrophyllum var. perincisum. Phenology: fruiting. 

Erwin F. Evert, 35351.  6/30/1998. 		RM 820662	Barcode: RM0014076
_________________________________________________________________________

136.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Park County: Yellowstone National Park: northwest side of Mt. Everts, 3 mi SE of Gardiner.  Elev. 7200 ft.
T9S R9E S31.  45.0077 N, 110.668 W; uncertainty 1 mi..  
Wet swale and border of small lake with Carex rostrata, Hierochloe odoratoa, and Potentilla fruticosa. Phenology: vegetative only. 

Erwin F. Evert, 35489.  7/1/1998. 		RM 820526	Barcode: RM0013976
_________________________________________________________________________

137.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Sweet Grass County: Absaroka-Beartooth Mountains: Gallatin National Forest: Hells Canyon Campground, 35 mi SW of Big Timber.  Elev. 6080 ft.
T5S R12E S35.  45.3559 N, 110.2104 W; uncertainty 1 mi..  
Edge of pond west of campground with Carex rostrata, Carex canescens, and Hippuris vulgaris Phenology: fruiting. 

Erwin F. Evert, 35496.  7/8/1998. 		RM 820452	Barcode: RM0020340
_________________________________________________________________________

138.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Park County: Absaroka-Beartooth Mountains: Gallatin National Forest: along the north side of Fourmile Creek, 37 mi SW of Big Timber.  Elev. 7200-7300 ft.
T6S R12 E S6.  45.3392 N, 110.2785 W; uncertainty 1 mi..  
Moist spruce-fir forest with Pyrola asarifolia, Carex disperma, and Mitella pentandra. Phenology: vegetative only. 

Erwin F. Evert, 35609.  7/9/1998. 		RM 820978	Barcode: rm0023274
_________________________________________________________________________

139.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Sweet Grass County: Absaroka-Beartooth Mountains: Gallatin National Forest: just W of Hells Canyon Campground along the east side of the Boulder Road, 35 mi SW of Big Timber.  Elev. 6080 ft.
T5S R12E S35.  45.3559 N, 110.2104 W; uncertainty 1 mi..  
Spruce swamp and open mire with Picea glauca, Calamagrostis canadensis, and Carex disperma. Phenology: vegetative only. 

Erwin F. Evert, 35674.  7/10/1998. 		RM 820902	Barcode: RM0023411
_________________________________________________________________________

140.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Park County: Absaroka-Beartooth Mountains: Gallatin National Forest: along the east side of the Boulder River Road at Ruby Creek, 39 mi SW of Big Timber.  Elev. 6280 ft.
T6S R12E S9.  45.3247 N, 110.2376 W; uncertainty 1 mi..  
Wet white spruce forest with Dryopteris expansa, Calamagrostis canadensis, and Mitella nuda. Phenology: vegetative only. 

Erwin F. Evert, 35774.  7/11/1998. 		RM 820824	Barcode: RM0023397
_________________________________________________________________________

141.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Gallatin County: Gallatin Range: Gallatin National Forest: Along west side of Hyalite Creek just north of Langhor Campground, ca 10 m S of Bozeman.  Elev. 6100 ft.
T3S R6E S32.  
Wet-moist, open coniferous forest with Salix drummondiana, Calamagrostis canadensis & Platanthera dilatata. Phenology: vegetative only. 

Erwin F. Evert, 36231.  8/5/1998. 		RM 821309	Barcode: RM0014781
_________________________________________________________________________

142.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Wind River Range: Torrey Creek Trailhead at end of road, 8 mi SSE of Dubois.  Elev. 7500 ft.
T40N R106W S22.  43.4209 N, 109.5632 W; uncertainty 1 mi..  
Riparian community along west side of creek under Picea pungens with Betula occidentalis, Equisetum arvense, and Actaea rubra. Phenology: vegetative only. 

Erwin F. Evert, 36454.  8/12/1998. 		RM 821093	Barcode: RM0022213
_________________________________________________________________________

143.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Park County: Absaroka Mountains: Yellowstone National Park: Black Canyon of the Yellowstone, along the Yellowstone River between Crevice Lake and Knowles Falls.  Elev. 5600-5700 ft.
T9S R9E S35.  45.0077 N, 110.5862 W; uncertainty 1 mi..  
Wet swale with Juncus balticus var. montanus and Equisetum arvense. Phenology: fruiting. 

Erwin F. Evert, 36740.  6/11/1999. 		RM 822508	Barcode: RM0015299
_________________________________________________________________________

144.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Yellowstone Plateau: Yellowstone National Park: along the east side of Hellroaring Creek just S of Bridge along an unnamed tributary, ca 2 mi S of the Yellowstone River.  Elev. 6600 ft.
T58N R112W S29.  44.9794 N, 110.4303 W; uncertainty 1 mi..  
In moist soil under Picea engelmannii with Maianthemum stellatum, Equisetum arvense, and Streptopus amplexifolius. Phenology: vegetative only. 

Erwin F. Evert, 36868.  6/20/1999. 		RM 822689	Barcode: RM0023561
_________________________________________________________________________

145.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Absaroka Mountains: Yellowstone National Park: just E of Slough Creek, ca 2.5 mi NE of Slough Creek Campground.  Elev. 6500 ft.
T57N R111W S3.  44.9504 N, 110.2674 W; uncertainty 1 mi..  
White/Engelmann spruce swamp with Carex capillaris, C. disperma, Platanthera obtusata, and Equisetum arvense. Phenology: vegetative only. 

Erwin F. Evert, 36938.  7/10/1999. 		RM 822677	Barcode: RM0023600
_________________________________________________________________________

146.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Teton Range: Targhee National Forest: along the south side of Moose Creek, ca 6 mi SE of Victor, ID.  Elev. 6650 ft.
T42N R118W S31.  43.562 N, 111.0545 W.  
Riparian community with Cornus sericea, Equisetum arvense, and Aconitum columbianum. Phenology: vegetative only. 

Erwin F. Evert, 37368.  7/28/1999. 		RM 823117	Barcode: RM0022095
_________________________________________________________________________

147.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Rio Grande County: Eastern San Juan Mountains: along Forest Road 345, E of north end of Hogback Mesa, along a tributary of Aspen Creek, between Aspen and Shady creeks, ca 14 air mi SW of Del Norte.  Elev. 10560-10640 ft.
T38N R4E S16 NE1/4.  37.5458 N, 106.5534 W.  
Large seep area in spruce-aspen forest. Phenology: vegetative only. 

B. E. Nelson, 58881.  7/8/2003. 		RM 
     with Jeanette Flaig
_________________________________________________________________________

148.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Mineral County: Eastern San Juan Mountains: Rio Grande National Forest: U.S. Hwy 160 W to Forest Road 410 ca 3/4 mi; ca 8 air mi SW of South Fork. N center  Elev. 9340 ft.
T38N R2E S17; 1/4 S17; also SW1/4 S8.  37.5494 N, 106.7926 W.  
Creek. Phenology: vegetative only. 

Jeanette Flaig, 1105.  7/16/2003. 		RM 
_________________________________________________________________________

149.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Hinsdale County: Eastern San Juan Mountains: Rio Grande National Forest: U.S. Hwy 160 W to Forest Road 520 SW to West Lost Creek Trailhead.  Elev. 12604 ft.
T41N R4W S31 NW1/4 of NW1/4; also W1/2 S30, SW1/4 S19, T41N R5W S24; also E center 1/4 S23.  37.7938 N, 107.3672 W.  
Seep. Phenology: vegetative only. 

Jeanette Flaig, 1243.  7/17/2003. 		RM 
_________________________________________________________________________

150.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Hinsdale County: Eastern San Juan Mountains: Rio Grande National Forest: U.S. Hwy 160 W to Forest Road 520 SW to West Lost Creek Trailhead.  Elev. 12604 ft.
T41N R4W S31 NW1/4 of NW1/4; also W1/2 S30, SW1/4 S19, T41N R5W S24; also E center 1/4 S23.  37.7938 N, 107.3672 W.  
Seep. Phenology: vegetative only. 

Jeanette Flaig, 1244.  7/17/2003. 		RM 
_________________________________________________________________________

151.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Rio Grande County: Eastern San Juan Mountains: Rio Grande National Forest: U.S. Hwy 160 E to Monte Vista S on Colo Hwy 15, 4 air mi W to County Road 2S, turns into Forest Road 28 continue S for 17.8 road mi.  Elev. 9100-9595 ft.
T37N R6E S9; also NW1/4 of NW1/4 S4; E1/4 of E1/4 S5.  37 28.136' N, 106 19.921' W to 37 28.395' N, 106 19.899' W.  
Creek side with aspen and Douglas fir, rocky south-facing slope in aspen woodland with Douglas fir and ponderosa pine; creek. Phenology: vegetative only. 

Jeanette Flaig, 127.  6/30/2003. 		RM 
_________________________________________________________________________

152.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Mineral County: Eastern San Juan Mountains: San Juan National Forest: Fourmile Trail, ca 11 air mi N of Pagosa Springs.  Elev. 9180-11185 ft.
T37N R2W S2 E1/2; 3; also SW1/4 of SW1/4 and NW1/4 of NW1/4 of SE1/2 S14, SE1/4 of SE1/4 and NE1/4 of NE1/4 S11, W center 1/4 S12; also SW1/4 S2.  37.4234 N, 107.0371 W.  
Spruce, fir,  and aspen forest. Phenology: vegetative only. 

Jeanette Flaig, 1573.  7/24/2003. 		RM 
_________________________________________________________________________

153.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Mineral County: Eastern San Juan Mountains: San Juan National Forest: Fourmile Trail, ca 11 air mi N of Pagosa Springs.  Elev. 9180-11185 ft.
T37N R2W S2 E1/2; 3; also SW1/4 of SW1/4 and NW1/4 of NW1/4 of SE1/2 S14, SE1/4 of SE1/4 and NE1/4 of NE1/4 S11, W center 1/4 S12; also SW1/4 S2.  37.4234 N, 107.0371 W.  
Spruce, fir,  and aspen forest. Phenology: vegetative only. 

Jeanette Flaig, 1574.  7/24/2003. 		RM 
_________________________________________________________________________

154.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Rio Grande County: Eastern San Juan Mountains: Rio Grande National Forest: U.S. Hwy 160 E to County Road 17 N to Forest Road 610; ca 5 air mi N of South Fork. South  Elev. 8712 ft.
T40N R3E S8; Center of S8.  37.7241 N, 106.6703 W.  
Along creek in ponderosa pine forest with scattered Douglas fir, pinyon and juniper with Ribes understory. Phenology: vegetative only. 

Jeanette Flaig, 1827.  7/26/2003. 		RM 
_________________________________________________________________________

155.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Rio Grande County: Eastern San Juan Mountains: Rio Grande National Forest: U.S. Hwy 160 W to Park Creek Road (Forest Road 380) then SW; ca 13 air mi S of South Fork.  Elev. 9611-11200 ft.
T38N R3E S32; S32; also S33.  37.4925 N, 106.6924 W to 37.5048 N, 106.6831 W.  
Seep in spruce, aspen and fir forest. Phenology: vegetative only. 

Jeanette Flaig, 1896.  7/28/2003. 		RM 
_________________________________________________________________________

156.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Mineral County: Eastern San Juan Mountains: Rio Grande National Forest: Colo Hwy 149; ca 13 air mi SW of Creede.  Elev. 9720-11750 ft.
T40N R2W S11; South1/2 S2, E1/2 S3, SW1/4 S1, N1/4 of N1/4 and E1/4 of E1/4 S12, N1/2 S13, NE1/4 S14; T41N R2W S34, NW1/4 S35, SE1/4 S26, SW1/4 S25, NW1/2 S36; T40N R1W S7 NW1/4.  37 46.617' N, 107 2.882' W.  
Spruce forest with scattered aspen in open xeric heavily grazed grassland, pond, spruce forest with scattered aspen, rocky outcrop, subalpine bristle cone forest, creek, roadside; creek. Phenology: vegetative only. 

Jeanette Flaig, 251.  7/3/2003. 		RM 
_________________________________________________________________________

157.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Rio Grande County: Eastern San Juan Mountains: Rio Grande National Forest: South Fork Guard Station, ca 1.5 air mi SW of South Fork.  Elev. 8350 ft.
T39N R3E S9 SE1/4.  37.6385 N, 106.6604 W.  
Along stream in ponderosa pine, spruce and aspen forest. Phenology: vegetative only. 

Jeanette Flaig, 2683.  8/14/2003. 		RM 
_________________________________________________________________________

158.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Mineral County: Eastern San Juan Mountains: Rio Grande National Forest: along Forest Road 430, 1.5 road mi from Shaw Lake on closed logging road; ca 8 air mi SW from South Fork.  Elev. 10320 ft.
T39N R2E S31 NE1/4.  37.5857 N, 106.804 W.  
Fir forest with seasonal creek into open logged mesic meadow. Phenology: vegetative only. 

Jeanette Flaig, 675.  7/10/2003. 		RM 
_________________________________________________________________________

159.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Saguache County: Eastern San Juan Mountains: Rio Grande National Forest: Poso Creek Road.  Elev. 8500-9100 ft.
T42N R5E S9 NW1/4; also SE1/4 S8.  37 54.473' N, 106 25.643' W.  
Rocky slope and streamside; streamside. Phenology: vegetative only. 

Ronald L. Hartman, 77321.  6/17/2003. 		RM 
     with Jeanette Flaig
_________________________________________________________________________

160.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Hinsdale County: Eastern San Juan Mountains: Rio Grande National Forest: Weminuche Wilderness: Colo Hwy 149 to Forest Road 520 then 8 road mi to East Ute Creek Trailhead.  Elev. 9510-9550 ft.
T40N R4W S6 E1/2; also N1/2 S7.  37 45.554' N, 107 20.547' W.  
Grassy slopes and spruce-cork bark fir with trail through, and wet areas along streams and seeps. Phenology: vegetative only. 

Ronald L. Hartman, 77734.  6/26/2003. 		RM 
     with Jeanette Flaig
_________________________________________________________________________

161.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Conejos County: Eastern San Juan Mountains: along Apache Creek just N of New Mexico, ca 1 air mi S of Rio de los Pinos, ca 24 air mi SSW of Antonito.  Elev. 9750-10250 ft.
T32N R5E S22.  36.9966 N, 106.407 W; GPS Reading.  
Creek bank and adjacent areas. Phenology: vegetative only. 

B. E. Nelson, 62194.  8/10/2004. 		RM 
_________________________________________________________________________

162.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Archuleta County: Eastern San Juan Mountains: Tierra Amarilla Grant: along Archuleta Creek and Archuleta or Trail 124, ca 2 air mi W of Rio Chama, ca 28 air mi SE of Pagosa Springs.  Elev. 9400-9800 ft.
T33N R3E S36 W1/2.  37.0521 N, 106.5919 W; GPS Reading.  
Moist banks along the creek. Phenology: vegetative only. 

B. E. Nelson, 62361.  8/11/2004. 		RM 
_________________________________________________________________________

163.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Archuleta County: Eastern San Juan Mountains: along the Little Navajo River at Trail 577 crossing and vicinity, ca 2 air mi NW of Navajo Peak, ca 17 air mi SE of Pagosa Springs.  Elev. 8950-9050 ft.
T33N R2E S7 SE1/4.  37.1073 N, 106.7695 W; GPS Reading.  
River bank and adjacent flats and slopes with scattered spruce. Phenology: vegetative only. 

B. E. Nelson, 62481.  8/13/2004. 		RM 796520	Barcode: RM0094466
_________________________________________________________________________

164.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Archuleta County: Eastern San Juan Mountains: Opal Lake and vicinity, ca 1.5 air mi SW of Flattop Mountain, ca 15 air mi ESE of Pagosa Springs.  Elev. 9200-9240 ft.
T34N R2E S9 SW1/4.  37.1955 N, 106.7497 W; GPS Reading.  
Moist to marshy meadow along the lake. Phenology: vegetative only. 

B. E. Nelson, 62588.  8/15/2004. 		RM 796519	Barcode: RM0094465
_________________________________________________________________________

165.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Archuleta County: Eastern San Juan Mountains: along Spring Creek at and below the East and West "forks" in the canyon along Forest Road 537, ca 10 air mi NE of Ignacio; ca 8 air mi ESE of Bayfield.  Elev. 8050-8200 ft.
T34N R6W S23 NW1/4.  37.1819 N, 107.4716 W; GPS Reading.  
Stream bottom and adjacent steep slopes with white fir and aspen. Phenology: vegetative only. 

B. E. Nelson, 62910.  8/18/2004. 		RM 796518	Barcode: RM0094464
_________________________________________________________________________

166.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Archuleta County: Eastern San Juan Mountains: San Juan National Forest: Wilderness boundary: Buckles Lake, V Rock Trailhead, Forest Road 633, 16 air mi SE of Pagosa Springs.  Elev. 10588 ft.
T34N R1E S36; also E1/2 S35.  37.1333 N, 106.7932 W; GPS Reading.  
Mesic aspen forest and lake shore. Phenology: vegetative only. 

Jeanette Flaig, 3739.  6/9/2004. 		RM 
_________________________________________________________________________

167.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Mineral County: Eastern San Juan Mountains: Rio Grande National Forest: alpine summit ridge just SE of La Garita Peak.  Elev. 13550 ft.
T41N R1E S4 South1/2; also SE1/4 S5.  37.9209 N, 106.8467 W; GPS Reading.  
Spruce forest along stream. Phenology: vegetative only. 

Jeanette Flaig, 4427.  6/19/2004. 		RM 
     with Kurt Flaig
_________________________________________________________________________

168.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Hinsdale County: Eastern San Juan Mountains: Rio Grande National Forest: Forest Road 510, Willow Creek, 14 air mi W of Creede.  Elev. 9641 ft.
T42N R3W S36.  37.8393 N, 107.1392 W; GPS Reading.  
Creekside. Phenology: vegetative only. 

Jeanette Flaig, 4547.  6/20/2004. 		RM 
     with Kurt Flaig
_________________________________________________________________________

169.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Conejos County: Eastern San Juan Mountains: Rio Grande National Forest: Conejos River, Spectacle Lake vicinity, Forest Road 250.  Elev. 8789 ft.
T34N R5E S20 SE1/4 of SE1/4; also NE1/4 of NE1/4 of NE1/4 S29.  37.1637 N, 106.4356 W; GPS Reading.  
River shore. Phenology: vegetative only. 

Jeanette Flaig, 4627.  6/23/2004. 		RM 
_________________________________________________________________________

170.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Conejos County: Eastern San Juan Mountains: Rio Grande National Forest: Valdez Creek Trailhead, Forest Road 250.  Elev. 9442 ft.
T35N R4.5E S24 SE1/4 of NE1/4; also T35N R5E SW1/4 of SW1/4 S19 .  37.2599 N, 106.4657 W; GPS Reading.  
Seep. Phenology: vegetative only. 

Jeanette Flaig, 4742.  6/23/2004. 		RM 
_________________________________________________________________________

171.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Rio Grande County: Eastern San Juan Mountains: Rio Grande National Forest: Limekiln, Forest Road 268, Nicomodes Gully, 9 air mi S of Del Norte.  Elev. 8484 ft.
T38N R6W S4 NW1/4; N1/2 of NE1/4 and .  37.6003 N, 106.3322 W; GPS Reading.  
Ephemeral drainage. Phenology: vegetative only. 

Jeanette Flaig, 5239.  7/5/2004. 		RM 
_________________________________________________________________________

172.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Rio Grande County: Eastern San Juan Mountains: Rio Grande National Forest: South Fork Rock Creek, Bennett Peak, Forest Road 28, 19 air mi SSW of Del Norte.  Elev. 9931 ft.
T37N R5E S24 N1/2 of NE1/4.  37.444 N, 106.3631 W; GPS Reading.  
Beaver ponds. Phenology: vegetative only. 

Jeanette Flaig, 5389.  7/5/2004. 		RM 
_________________________________________________________________________

173.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Hinsdale County: Eastern San Juan Mountains: Gunnison National Forest: Cuba Gulch Trailhead, Forest Road 30, Colo Hwy 149, Half Peak.  Elev. 10734-11371 ft.
T42N R6W S25.  37.8829 N, 107.4844 W to 37.8678 N, 107.4884 W; GPS Reading.  
Spruce and fir forest on north-facing slope. Phenology: vegetative only. 

Jeanette Flaig, 5959.  7/14/2004. 		RM 
     with Ronald L. Hartman and Rick Pring
_________________________________________________________________________

174.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Mineral County: Eastern San Juan Mountains: San Juan National Forest: Weminuche Wilderness: Beaver Creek or Trail 560 off West Fork Trail, ca 16 air mi NNE of Pagosa Springs.  Elev. 8592-10125 ft.
T38N R1W S36 E1/2.  37.5071 N, 106.9307 W to 37.4866 N, 106.9306 W; GPS Reading.  
Lush spruce/fir forest alongside river on mostly east-facing slope. Phenology: vegetative only. 

Jeanette Flaig, 6349.  7/23/2004. 		RM 
_________________________________________________________________________

175.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Mineral County: Eastern San Juan Mountains: Rio Grande National Forest: Deep Creek Trail, Trailhead 806 from Forest Road 528, ca 12 air mi S of Creede.  Elev. 9671-9677 ft.
T41N R1W S35 E1/2; also W1/2 S25.  37.7652 N, 106.9373 W to 37.7961 N, 106.9205 W; GPS Reading.  
Spruce forest with scattered Douglas fir in canyon with east and west-facing slopes. Phenology: vegetative only. 

Jeanette Flaig, 6700.  7/26/2004. 		RM 
_________________________________________________________________________

176.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, La Plata County: Eastern San Juan Mountains: San Juan National Forest: Weminuche Wilderness: Eolus and North Eolus Peaks, Needles Creek Trail, N of Chicago Baisin, ca 15.5 air mi SSE of Silverton.  Elev. 8503-9159 ft.
T39N R7W S30; also SW1/4 of SW1/4 S29.  37.6106 N, 107.6692 W to 37.6223 N, 107.6937 W; GPS Reading.  
Mixed conifer forest with seeps along river. Phenology: vegetative only. 

Jeanette Flaig, 7156.  7/31/2004. 		RM 
     with Kurt Flaig
_________________________________________________________________________

177.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Saguache County: Eastern San Juan Mountains: Rio Grande National Forest: La Garita Wilderness: Trailhead 783-912, Forest Road 744, Saguache and Halfmoon creeks, ca 16 air mi NE of Creede.  Elev. 10108-10276 ft.
T43N R2E S1 South1/4.  37.9678 N, 106.7501 W to 37.9602 N, 106.7656 W; GPS Reading.  
Northwest-facing slope and creekside. Phenology: vegetative only. 

Jeanette Flaig, 7296.  8/5/2004. 		RM 
_________________________________________________________________________

178.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Hinsdale County: Eastern San Juan Mountains: San Juan National Forest: Weminuche Wilderness: Pine Creek Trail, Los Pinos River.  Elev. 7982-8057 ft.
T37N R5W S19 NW1/4 of NE1/4; also SW1/4 and NW1/4 of NE1/4 S17.  37.4661 N, 107.4636 W to 37.4697 N, 107.4584 W; GPS Reading.  
Mixed conifer forest in canyon with southeast-facing upslope and river with open meadows and willow thickets. Phenology: vegetative only. 

Jeanette Flaig, 7421.  8/8/2004. 		RM 
_________________________________________________________________________

179.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Mineral County: Eastern San Juan Mountains: San Juan National Forest: Windy Pass Trail just S of Treasure Falls pullout, U.S. Hwy 160, ca 17 air mi NNE of Pagosa Springs.  Elev. 8812-9026 ft.
T37N R1E S22 South1/2.  37.4321 N, 106.8744 W to 37.4319 N, 106.8685 W; GPS Reading.  
Very mesic mixed conifer forest on a west-facing slope. Phenology: vegetative only. 

Jeanette Flaig, 7604.  8/9/2004. 		RM 
_________________________________________________________________________

180.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Hinsdale County: Eastern San Juan Mountains: Brown Lakes State Wildlife Area: Colo Hwy 149, Forest Road 515, ca 16 air mi W of Creede.  Elev. 9818 ft.
T41N R3W S10.  37.8309 N, 107.1806 W; GPS Reading.  
Open meadow by lake shore with spruce forest on west-facing slope. Phenology: vegetative only. 

Jeanette Flaig, 7704.  8/11/2004. 		RM 
_________________________________________________________________________

181.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Archuleta County: Eastern San Juan Mountains: Rio Grande National Forest: campground on Rio Chama W ca 1 air mi along Archuleta Creek.  Elev. 8780-9200 ft.
T32N R4E S8.  37.032 N, 106.5536 W to 37.0394 N, 106.5798 W; GPS Reading.  
Spruce/fir and aspen forest on slopes, alder and willow along streams; along the river. Phenology: vegetative only. 

Ronald L. Hartman, 79623.  7/15/2004. 		RM 796517	Barcode: RM0094463
_________________________________________________________________________

182.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Clear Creek County: Arapaho National Forest: Front Range: Beaver Meadows and along trail  Elev. 9320-9420 ft.
T5S R73W S15 SW1/4; E 05 mi to forest boundary, ca 9 air mi S of Idaho Springs; ca 12-125 air mi W of Evergreen .  39.6137 N, 105.5564 W; GPS Reading.  
Along small stream. Phenology: fruiting. 

B. E. Nelson, 58658.  6/11/2003. 		RM 
     with Erin and Michael Foley
_________________________________________________________________________

183.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Arapaho National Forest: Front Range: Fraser River by Idle Wild Campground and U.S. Hwy 40, ca 1.5 air mi NW of Winter Park; ca 3.5 air mi SE of Fraser.  Elev. 9000 ft.
T2S R75W S4 E1/2.  39.8263 N, 105.6437 W; GPS Reading.  
Along river, by road, and in spruce/lodgepole pine forest. Phenology: fruiting. 

Erin Foley, 1081a.  6/22/2003. 		RM 
     with Michael Foley
_________________________________________________________________________

184.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Arapaho National Forest: Front Range: Fraser River by Idle Wild Campground and U.S. Hwy 40, ca 1.5 air mi NW of Winter Park; ca 3.5 air mi SE of Fraser.  Elev. 9000 ft.
T2S R75W S4 E1/2.  39.8263 N, 105.6437 W; GPS Reading.  
Along river, by road, and in spruce/lodgepole pine forest. Phenology: vegetative only. 

Erin Foley, 1119.  6/22/2003. 		RM 
     with Michael Foley
_________________________________________________________________________

185.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Clear Creek County: Arapaho National Forest: Front Range: West Fork Clear Creek at Mizpah Campground, ca 12 air mi S of Fraser; ca 14 air mi WNW of Idaho Springs.  Elev. 9400-9600 ft.
T3S R75W S21 South1/2.  39.7762 N, 105.7923 W; GPS Reading.  
Along creek and in spruce forest. Phenology: vegetative only. 

Erin Foley, 1186.  6/22/2003. 		RM 
     with Michael Foley
_________________________________________________________________________

186.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Clear Creek County: Arapaho National Forest: Front Range: Barbour Fork Soda Creek, ca 2.5 air mi SW of Idaho Springs; ca 30-31 air mi W of Denver.  Elev. 8480-9040 ft.
T4S R73W S10 W1/2; also South1/2 S9 and N1/2 S16.  39.7149 N, 105.5556 W; uncertainty 0.5 mi..  
Along creek. Phenology: vegetative only. 

Erin Foley, 1227.  6/22/2003. 		RM 
     with Michael Foley
_________________________________________________________________________

187.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Arapaho National Forest: Front Range: along Keyser Creek, ca 0.5 mi W of the junction of Williams Fork and Keyser Creek, ca 12.5 air mi SSE fo Hot Sulphur Springs.  Elev. 8420-9280 ft.
T2S R78W S2 South1/2; also N1/2 S11.  39.8959 N, 106.0865 W; GPS Reading.  
Sagebrush steppe, drainage gullies, and creekside. Phenology: vegetative only. 

Erin Foley, 1333.  6/24/2003. 		RM 
     with Michael Foley
_________________________________________________________________________

188.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Arapaho National Forest: Front Range: Beaver Creek, ca 0.5 mi E of Blue Ridge, ca 8.5 air mi SE of Hot Sulpher Springs; ca 8.5 air mi SW of Granby.  Elev. 9220-9600 ft.
T1S R77W S9.  39.9747 N, 106.006 W; GPS Reading.  
Along creek, in meadow, and heavily logged spruce/lodgepole pine forest. Phenology: fruiting. 

Erin Foley, 1423.  6/24/2003. 		RM 
     with Michael Foley
_________________________________________________________________________

189.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Arapaho National Forest: Front Range: Beaver Creek, ca 0.5 mi E of Blue Ridge, ca 8.5 air mi SE of Hot Sulpher Springs; ca 8.5 air mi SW of Granby.  Elev. 9220-9600 ft.
T1S R77W S9.  39.9747 N, 106.006 W; GPS Reading.  
Along creek, in meadow, and heavily logged spruce/lodgepole pine forest. Phenology: vegetative only. 

Erin Foley, 1439.  6/24/2003. 		RM 
     with Michael Foley
_________________________________________________________________________

190.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Arapaho National Forest: Williams Fork Mountains: intermittent stream between North Battle Creek and South Battle Creek, ca 16.5 air mi NW of Byers Peak, ca 12.5 air mi SE of Kremmling.  Elev. 8800-10000 ft.
T1S R79W S33 NW1/2.  39.9222 N, 106.2402 W; GPS Reading.  
Along stream, on open rocky slopes, and adjacent lodgepole pine/spruce forest. Phenology: vegetative only. 

Erin Foley, 1557.  6/26/2003. 		RM 
     with Michael Foley
_________________________________________________________________________

191.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Arapaho National Forest: Williams Fork Mountains: Ute Pass, ca 16.5 air mi S of Hot Sulphur Springs, ca 9 air mi WSW of Byers Peak.  Elev. 9360-9800 ft.
T2S R78W S34.  39.8244 N, 106.1058 W; uncertainty 0.5 mi..  
Along small streams and adjacent spruce/lodgepole pine forest. Phenology: vegetative only. 

Erin Foley, 1631.  6/26/2003. 		RM 
     with Michael Foley
_________________________________________________________________________

192.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Arapaho National Forest: Williams Fork Mountains: Ute Pass, ca 16.5 air mi S of Hot Sulphur Springs, ca 9 air mi WSW of Byers Peak.  Elev. 9360-9800 ft.
T2S R78W S34.  39.8244 N, 106.1058 W; uncertainty 0.5 mi..  
Along small streams and adjacent spruce/lodgepole pine forest. Phenology: vegetative only. 

Erin Foley, 1640.  6/26/2003. 		RM 
     with Michael Foley
_________________________________________________________________________

193.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: west side of Cottonwood Creek, ca 4.6 air mi SE of Encampment.  Elev. 8000 ft.
T14N R83W S19 SE1/4.  41.1679 N, 106.7676 W.  
Riparian area along creek. Phenology: vegetative only. 

Amy J. Roderick, 1242.  6/26/1997. 		RM 665635	Barcode: RM0125564
_________________________________________________________________________

194.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Clear Creek County: Arapaho National Forest: Front Range: between Clear Lake and Lower Cabin Creek Reservoir on west side of County Road 381.  Elev. 9980-10400 ft.
T4S R74W S31 NE1/4; also NW1/4 S32.  39.6661 N, 105.7048 W; uncertainty 0.5 mi..  
Along small stream, in adjacent spruce/lodgepole pine forest, and on roadside. Phenology: vegetative only. 

Erin Foley, 1891.  6/27/2003. 		RM 
_________________________________________________________________________

195.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Arapaho National Forest: Front Range: South Fork Ranch Creek to Continental Divide, ca 3.5 air mi E of Winter Park, ca 7.5 air mi NE of Berthoud Pass.  Elev. 10320-12160 ft.
T2S R74W S7; also W1/2 S8.  39.887 N, 105.6993 W; GPS Reading.  
Along creek and in adjacent spruce forest. Phenology: fruiting. 

Erin Foley, 1984.  7/10/2003. 		RM 
_________________________________________________________________________

196.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Arapaho National Forest: Front Range: Vasquez Creek, ca 3 air mi SSE of Fraser, ca 6.5 air mi NNW of Berthoud Pass.  Elev. 9000 ft.
T2S R75W S5 N1/2.  39.9015 N, 105.8046 W; uncertainty 0.5 mi..  
Along creek, in spruce forest, and roadside. Phenology: vegetative only. 

Erin Foley, 2138.  7/10/2003. 		RM 
_________________________________________________________________________

197.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Arapaho National Forest: Williams Fork Mountains: ca 1.5 mi S of the junction of secondary Forest Road 141 and secondary Forest Road 138, ca 0.3 mi W of secondary Forest Road 138 on tributary of Williams Fork.  Elev. 8800 ft.
T3S R77W S6 SE1/4.  39.8139 N, 106.0507 W; GPS Reading.  
Along stream and in open wet meadow. Phenology: vegetative only. 

Erin Foley, 2202.  7/12/2003. 		RM 
_________________________________________________________________________

198.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Arapaho National Forest: Williams Fork Mountains: along Williams Fork just S of Sugarloaf Campground, ca 6-6.5 air mi SW of Byers Peak, ca 20 air mi SSE of Hot Sulphur Springs.  Elev. 9000 ft.
T3S R77W S16.  39.7868 N, 106.0197 W; uncertainty 0.5 mi..  
Along the river and in spruce/lodgepole pine forest. Phenology: vegetative only. 

Erin Foley, 2255.  7/12/2003. 		RM 
     with Shannon Terry
_________________________________________________________________________

199.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Arapaho National Forest: Williams Fork Mountains: intermittent stream between Henderson Tunnel and Williams Fork, ca 6 air mi SW of Byers Peak, ca 13.5 air mi SW of Winter Park.  Elev. 9000-10140 ft.
T3S R77W S15 W1/2.  39.7838 N, 105.9991 W; uncertainty 0.5 mi..  
Along stream and river in spruce/lodgepole pine forest. Phenology: vegetative only. 

Erin Foley, 2559.  7/17/2003. 		RM 
_________________________________________________________________________

200.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Arapaho National Forest: Williams Fork Mountains: intermittent stream between Henderson Tunnel and Williams Fork, ca 6 air mi SW of Byers Peak, ca 13.5 air mi SW of Winter Park.  Elev. 9000-10140 ft.
T3S R77W S15 W1/2.  39.7838 N, 105.9991 W; uncertainty 0.5 mi..  
Along stream and river in spruce/lodgepole pine forest. Phenology: vegetative only. 

Erin Foley, 2582.  7/17/2003. 		RM 
_________________________________________________________________________

201.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Arapaho National Forest: Williams Fork Mountains: South Fork Williams Fork, ca 7.5 air mi SW of Byers Peak, ca 20 air mi SSE of Hot Sulphur Springs.  Elev. 9200 ft.
T3S R77W S20 SW1/4.  39.7726 N, 106.0379 W; GPS Reading.  
Along intermittent stream. Phenology: vegetative only. 

Erin Foley, 2696.  7/17/2003. 		RM 
_________________________________________________________________________

202.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Arapaho National Forest: Front Range: secondary Forest Road 141 along Kinney Creek, ca 14.5 air mi SSE of Hot Sulphur Springs; ca 16.5 air mi SW of Granby.  Elev. 10000 ft.
T2S R77W S20 E1/2.  39.8642 N, 106.0186 W; GPS Reading.  
Along intermittent stream. Phenology: fruiting. 

Erin Foley, 2720.  7/17/2003. 		RM 
_________________________________________________________________________

203.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Arapaho National Forest: Front Range: ca 1 air mi SE of Meadow Creek Reservoir, ca 8.5 mi NE of Fraser.  Elev. 10060 ft.
T1N R75W S13 E1/2.  40.0481 N, 105.7349 W; GPS Reading.  
Lodgepole pine/spruce forest and adjacent subalpine meadow with creek tributaries. Phenology: fruiting. 

Erin Foley, 275.  6/14/2003. 		RM 
     with Michael Foley
_________________________________________________________________________

204.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Arapaho National Forest: Front Range: Meadow Creek Road, ca 28 air mi W of Boulder; ca 5.5 air mi N of Fraser.  Elev. 9000 ft.
T1N R75W S29 NE1/4.  40.0224 N, 105.8071 W; GPS Reading.  
Open aspen/lodgepole pine forest. Phenology: vegetative only. 

Erin Foley, 2914.  7/19/2003. 		RM 
_________________________________________________________________________

205.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Arapaho National Forest: Williams Fork Mountains: Williams Fork, ca 13 air mi SE of Hot Sulphur Springs; ca 12.5 air mi WSW of Fraser.  Elev. 8800 ft.
T2S R77W S6 SE1/4.  39.8452 N, 106.0661 W; GPS Reading.  
Along the river and roadside. Phenology: vegetative only. 

Erin Foley, 3000.  7/20/2003. 		RM 
_________________________________________________________________________

206.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Arapaho National Forest: Front Range: along Meadow Creek, ca 0.3 mi NE of the junction between County roads 84 and 841, ca 4 mi N of Fraser.  Elev. 8440-8840 ft.
T1N R75W S32 W1/2.  40.0035 N, 105.8251 W; GPS Reading.  
Along creek and roadside. Phenology: fruiting. 

Erin Foley, 302.  6/14/2003. 		RM 
     with Michael Foley
_________________________________________________________________________

207.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Arapaho National Forest: Front Range: S of Lake Granby along Doe Creek, ca 6.5 air mi ENE of Granby; ca 15.5 air mi NNW of Fraser.  Elev. 8480-8760 ft.
T2N R75W S19.  40.1098 N, 105.8289 W; GPS Reading.  
Along creek and in open meadow. Phenology: vegetative only. 

Erin Foley, 3021.  7/21/2003. 		RM 
_________________________________________________________________________

208.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Arapaho National Forest: Front Range: along Meadow Creek, ca 0.3 mi NE of the junction between County roads 84 and 841, ca 4 mi N of Fraser.  Elev. 8440-8840 ft.
T1N R75W S32 W1/2.  40.0035 N, 105.8251 W; GPS Reading.  
Along creek and roadside. Phenology: vegetative only. 

Erin Foley, 310.  6/14/2003. 		RM 
     with Michael Foley
_________________________________________________________________________

209.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Arapaho National Forest: Front Range: Monarch Lake, ca 10.5 air mi E of Granby; ca 12 air mi NE of Fraser.  Elev. 8400 ft.
T2N R75W S25.  40.108 N, 105.7415 W; uncertainty 0.5 mi..  
Lakeside, spruce/lodgepole pine/fir forest, and streamside. Phenology: vegetative only. 

Erin Foley, 3146.  7/21/2003. 		RM 
_________________________________________________________________________

210.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Boulder County: Roosevelt National Forest: Front Range: Indian Peaks Wilderness: Rainbow Lakes, ca 3.5-4 air mi NW of Nederland; ca 12.5 air mi NE of Fraser.  Elev. 10200 ft.
T1N R73W S33 NW1/4; also NE1/4 S32.  40.0132 N, 105.5828 W; GPS Reading.  
Lakeside and moist spruce/lodgepole pine/fir forest. Phenology: vegetative only. 

Erin Foley, 3358.  7/23/2003. 		RM 
_________________________________________________________________________

211.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Arapaho National Forest: Front Range: St. Louis Campground along St. Louis Creek, ca 3 air mi SW of Fraser.  Elev. 8800 ft.
T1S R76W S26 South1/2; also N1/2 S35.  39.9262 N, 105.8589 W; GPS Reading.  
Along creek and in wet areas adjacent to creek. Phenology: vegetative only. 

Erin Foley, 386.  6/14/2003. 		RM 
     with Michael Foley
_________________________________________________________________________

212.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Arapaho National Forest: Front Range: along Kinney Creek, ca 5.5 air mi N of Hot Sulphur Springs.  Elev. 9080-9600 ft.
T2N R78W S11 SW1/4; also SE1/4 S10.  40.1453 N, 106.1122 W; GPS Reading.  
Lodgepole pine/spruce forest; along creek. Phenology: fruiting. 

Erin Foley, 414.  6/16/2003. 		RM 
     with Michael Foley
_________________________________________________________________________

213.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Arapaho National Forest: Front Range: Byers Peak Wilderness: Lake Evelyn Trail, ca 9.5 air mi WSW of Fraser.  Elev. 9800-11000 ft.
T2S R77W S11 South1/2; also N1/2 S14.  39.8862 N, 105.9722 W; GPS Reading.  
Along trail through mixed coniferous forest with intermittent streams and meadows. Phenology: vegetative only. 

Erin Foley, 4238.  8/4/2003. 		RM 
     with Jill Torres
_________________________________________________________________________

214.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Arapaho National Forest: Front Range: Vasquez Road, ca 5.5 air mi S of Fraser, along Vasquez Creek.  Elev. 9400-9600 ft.
T2S R75W S19 N1/2.  39.8687 N, 105.8204 W; GPS Reading.  
Along creek and in adjacent mixed coniferous forest. Phenology: vegetative only. 

Erin Foley, 4274.  8/5/2003. 		RM 
     with James, Margaret, and Alex Foley
_________________________________________________________________________

215.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Gilpin County: Arapaho National Forest: Front Range, tributary of North Clear Creek, ca 4 air mi WNW of Central City; ca 6.5 air mi NE of Empire.  Elev. 9800 ft.
T3S R73W S5 N1/2.  39.822 N, 105.585 W; GPS Reading.  
Along small stream through spruce forest and cleared meadows. Phenology: vegetative only. 

Erin Foley, 4666.  8/10/2003. 		RM 
_________________________________________________________________________

216.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Arapaho National Forest: Front Range: Jim Creek, ca 2-2.5 air mi SE of Winter Park, ca 5 air mi NE of Berthoud Pass.  Elev. 9500 ft.
T2S R75W S13 NW1/4.  39.8797 N, 105.739 W; GPS Reading.  
Along creek. Phenology: vegetative only. 

Erin Foley, 4824.  8/12/2003. 		RM 
     with Alex Foley
_________________________________________________________________________

217.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Arapaho National Forest: Front Range: Shadow Mountain Lake: Green Ridge Forest Service Work Station, ca 2.5 air mi SW of Grand Lake.  Elev. 8400 ft.
T3N R76W S13 SW1/4.  40.2141 N, 105.8574 W; GPS Reading.  
Open disturbed areas and lakeside. Phenology: vegetative only. 

Erin Foley, 4863.  8/13/2003. 		RM 
_________________________________________________________________________

218.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Arapaho National Forest: Williams Fork Mountains: Skylark Creek, ca 1.5 mi W of Mule Creek, ca 13.5 air mi SSW of Hot Sulphur Springs.  Elev. 8880-9600 ft.
T2S R79W S11 E1/2; also W1/2 S12.  39.885 N, 106.186 W; GPS Reading.  
Along creek. Phenology: vegetative only. 

Erin Foley, 4933.  8/14/2003. 		RM 
_________________________________________________________________________

219.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Arapaho National Forest: Williams Fork Mountains: South Fork Road, ca 1 mi WSW of Old Baldy, ca 21.5 air mi SSE of Hot Sulphur Springs.  Elev. 9200-9600 ft.
T3S R77W S29.  39.7525 N, 106.0353 W; GPS Reading.  
Along steep mountain stream and roadside. Phenology: vegetative only. 

Erin Foley, 5016.  8/14/2003. 		RM 
_________________________________________________________________________

220.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Arapaho National Forest: Front Range: Never Summer Wilderness: Cascade Mountain, ca 10.5 air mi N of Granby.  Elev. 9680-11500 ft.
T4N R77W S1; 2.  40.3317 N, 105.9561 W; GPS Reading.  
Subalpine steep rocky southwest-facing slope. Phenology: vegetative only. 

Erin Foley, 5085.  8/16/2003. 		RM 
_________________________________________________________________________

221.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Arapaho National Forest: Rabbit Ears Range: Kauffman Creek, ca 10.5 air mi WNW of Grand Lake; ca 15.5 air mi NNE of Hot Sulphur Springs.  Elev. 10000 ft.
T4N R77W S28.  40.277 N, 106.0171 W; GPS Reading.  
Along creek. Phenology: vegetative only. 

Erin Foley, 5149.  8/16/2003. 		RM 
_________________________________________________________________________

222.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Clear Creek County: Arapaho National Forest: Front Range: Mount Evans Wilderness Trail: Lost Creek, ca 9.5 air mi S of Idaho Springs.  Elev. 8800-9080 ft.
T5S R73W S23.  39.6033 N, 105.5219 W; GPS Reading.  
Along creek. Phenology: vegetative only. 

Erin Foley, 5373.  8/18/2003. 		RM 
_________________________________________________________________________

223.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Arapaho National Forest: Williams Fork Mountains: South Fork Williams Fork Trail, ca 24 air mi SSE of Hot Sulphur Springs; ca 9.5 air mi NW of Loveland Pass.  Elev. 9800 ft.
T4S R77W S4; also S9.  39.7129 N, 106.0077 W; GPS Reading.  
Along river and adjacent spruce/fir forest. Phenology: vegetative only. 

Erin Foley, 5450.  8/19/2003. 		RM 
_________________________________________________________________________

224.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Arapaho National Forest: Rabbit Ears Range: North Fork Cabin Creek along Cabin Creek Road, ca 3 mi W of Colo Hwy 125, ca 9 air mi N of Hot Sulphur Springs.  Elev. 8500 ft.
T3N R78W S23 South1/2; also N1/2 S26.  40.2021 N, 106.0912 W; GPS Reading.  
Along creek and roadside. Phenology: vegetative only. 

Erin Foley, 5552.  8/26/2003. 		RM 
_________________________________________________________________________

225.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Arapaho National Forest: Front Range: Kawuneeche Valley between Baker and Bowen gulches, ca 0.6 mi W of U.S. Hwy 34, ca 7-7.5 air mi NW of Grand Lake.  Elev. 8800-9800 ft.
T5N R76W S35 E1/2.  40.3451 N, 105.8819 W; GPS Reading.  
Spruce/lodgepole pine forest in clearings and along spring/snowmelt drainage. Phenology: fruiting. 

Erin Foley, 657.  6/18/2003. 		RM 
_________________________________________________________________________

226.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Arapaho National Forest: Front Range: along Trail Creek, ca 0.5 SW of Apiatan Mountain, ca 10.5 air mi NNW of Granby.  Elev. 9440-9800 ft.
T3N R76W S7 N1/2.  40.2416 N, 105.9505 W; GPS Reading.  
Along creek, wet drainages and adjacent lodgepole pine/spruce forest. Phenology: fruiting. 

Erin Foley, 867.  6/20/2003. 		RM 
     with Michael Foley
_________________________________________________________________________

227.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Arapaho National Forest: Front Range: Ranch Creek, ca 3.5 mi E of Fraser.  Elev. 9600 ft.
T1S R75W S23 South1/2.  39.9439 N, 105.7535 W; GPS Reading.  
Along creek and in lodgepole pine/spruce forest. Phenology: fruiting. 

Erin Foley, 973.  6/20/2003. 		RM 
     with Michael Foley
_________________________________________________________________________

228.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Middle Park: along Reeder Creek above County Road 33, ca 3 air mi NW of Williams Fork Reservoir; ca 6.5 air mi E of Kremmling.  Elev. 7560-7650 ft.
T1N R79W S17 SW1/4.  40.0438 N, 106.2682 W; uncertainty 0.25 mi..  
Wet to moist bench along the creek. Phenology: vegetative only. 

B. E. Nelson, 49404.  6/15/2000. 		RM 
_________________________________________________________________________

229.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Rabbit Ears Range: along First Creek off County Road 21, ca 1.5 air mi S of Grouse Mountain, ca 4.5 air mi N of Parshall; ca 5 air mi NW of Hot Sulphur Springs.  Elev. 9080-9300 ft.
T2N R78W S19.  40.1239 N, 106.1723 W to 40.1228 N, 106.1695 W; GPS Reading.  
Stream bank with alder thickets. Phenology: vegetative only. 

B. E. Nelson, 61388.  6/30/2004. 		RM 
     with Daniel Mullendore
_________________________________________________________________________

230.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Arapaho National Forest: Indian Peaks Wilderness: Front Range: Roaring Fork SW of Hiamovi Mountain, ca 9 air mi SE of Grand Lake and ca 13 air mi ENE of Granby.  Elev. 10200-11900 ft.
T2N R74W S7 N1/2; also N1/2 S8, S1/2 S6, S1/2 S5.  40.1538 N, 105.7286 W to 40.1556 N, 105.7026 W; GPS Reading.  
Along fork. Phenology: vegetative only. 

Erin Foley, 10301.  7/18/2004. 		RM 
_________________________________________________________________________

231.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Gore Range: Red Dirt Reservoir, ca 14.5 air mi NW of Kremmling and ca 16 air mi NE of Toponas.  Elev. 9050-9080 ft.
T3N R82W S27 NW1/4; also SW1/4 S22.  40.1958 N, 106.5705 W to 40.2023 N, 106.5763 W; GPS Reading.  
Disturbed area adjacent to reservoir. Phenology: vegetative only. 

Erin Foley, 10458.  7/20/2004. 		RM 
_________________________________________________________________________

232.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Clear Creek County: Arapaho National Forest: Front Range: Bard Creek to Engelmann Peak, ca 5 air mi NW of Georgetown and 4.5 air mi WSW of Empire.  Elev. 10360-13362 ft.
T4S R75W S2 N1/2; N1/2 S3, NE1/4 S4 and T3S R75W S32 E1/2, W1/2 S33.  39.7361 N, 105.7482 W to 39.7457 N, 105.8004 W; GPS Reading.  
Along creek. Phenology: vegetative only. 

Erin Foley, 10940.  8/6/2004. 		RM 
_________________________________________________________________________

233.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Middle Park: Corral Creek, ca 11 air mi E of Kremmling and ca 4 air mi W of Hot Sulphur Springs.  Elev. 7490-7800 ft.
T1N R79W S12 N1/2; also NE1/4 S11.  40.0683 N, 106.1936 W; GPS Reading.  
Along creek and adjacent rocky slopes. Phenology: vegetative only. 

Erin Foley, 11188.  8/7/2004. 		RM 
_________________________________________________________________________

234.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Rabbit Ears Range: Lindsey Creek to Grannys Nightcap, ca 18.5 air mi NNW of Kremmling and ca 23 air mi SE of Steamboat Springs.  Elev. 8720-9420 ft.
T4N R81W S10 E1/2.  40.3252 N, 106.4434 W to 40.3296 N, 106.4494 W; GPS Reading.  
Along creek. Phenology: vegetative only. 

Erin Foley, 11349.  8/10/2004. 		RM 
_________________________________________________________________________

235.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Arapaho National Forest: Vasquez Peak Wilderness: Vasquez Mountains: unnamed stream and junction with Vasquez Creek, ca 5 air mi SW of Winter Park and ca 7.5 air mi SSW of Fraser.  Elev. 9600-10900 ft.
T2S R76W S36; also R75W S30 S1/2 and N1/2 S31.  39.8463 N, 105.8237 W to 39.8305 N, 105.8447 W; GPS Reading.  
Along stream. Phenology: vegetative only. 

Erin Foley, 11431.  8/12/2004. 		RM 
_________________________________________________________________________

236.  Equisetum arvense L. 				Equisetaceae

U.S.A., Arizona, Coconino County: Coconino National Forest: Knoll Lake, to 0.5 air mi below dam on East Leonard Creek.  Elev. 7450 ft.
T12N R12E S9; also S4.  34.4333 N, 111.0825 W.  
Stream bottom and lower slopes. Phenology: vegetative only. 

Ronald L. Hartman, 84523.  9/19/2006. 		RM 
     with James F. Fowler
_________________________________________________________________________

237.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Middle Park: S of Colorado River, ca 1.5 air mi W of Parshall and ca 10.5 air mi E of Kremmling.  Elev. 7500-8080 ft.
T1N R79W S14; also SW1/4 S13 and SW1/4 S11.  40.0522 N, 106.2052 W to 40.0488 N, 106.1934 W; GPS Reading.  
Along fork. Phenology: vegetative only. 

Erin Foley, 11790.  8/18/2004. 		RM 
_________________________________________________________________________

238.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Middle Park: Coyote Creek along Colo Hwy 125, ca 4 air mi NW of Granby and ca 7.5 air mi NE of Hot Sulphur Springs.  Elev. 8200 ft.
T2N R77W S14 SW1/4.  40.1292 N, 105.9947 W; GPS Reading.  
Along creek. Phenology: vegetative only. 

Erin Foley, 11855.  8/20/2004. 		RM 
_________________________________________________________________________

239.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Gore Range: off BLM Road 2750 near Dice Hill and Sheephorn Mountain, ca 5.5 air mi E of Radium and ca 9.5 air mi NW of Heeney.  Elev. 9120-9600 ft.
T1S R81W S27; also E1/2 S28.  39.9474 N, 106.4393 W to 40.2385 N, 105.8019 W; GPS Reading.  
Along intermittent stream. Phenology: vegetative only. 

Erin Foley, 11979.  8/21/2004. 		RM 
_________________________________________________________________________

240.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Clear Creek County: Arapaho National Forest: Front Range: South Clear Creek, along County Road 381, ca 6 air mi S of Georgetown and ca 3.5 air mi NW of Mount Bierstadt.  Elev. 10700 ft.
T5S R74W S18.  39.6167 N, 105.7158 W; GPS Reading.  
Along creek and road. Phenology: vegetative only. 

Erin Foley, 12029.  8/23/2004. 		RM 
_________________________________________________________________________

241.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Arapaho National Forest: Indian Peaks Wilderness: Front Range: Buchanan Creek, ca 15 air mi ENE of Granby and ca 9 air mi WNW of Ward.  Elev. 9400-10200 ft.
T2N R74W S21 N1/2; also NW1/4 S22 and SW1/4 S15.  40.1226 N, 105.6775 W to 40.1291 N, 105.673 W; GPS Reading.  
Along stream. Phenology: vegetative only. 

Erin Foley, 12069.  8/25/2004. 		RM 
_________________________________________________________________________

242.  Equisetum arvense L. 				Equisetaceae

U.S.A., Arizona, Coconino County: Coconino National Forest: split in Forest roads 96 and 95 in bottom of East Clear Creek.  Elev. 6564-6600 ft.
T14N R11E S35 SW1/4.  34.55 N, 111.1622 W.  
Creek bottom. Phenology: vegetative only. 

Ronald L. Hartman, 84625.  9/20/2006. 		RM 
_________________________________________________________________________

243.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Williams Fork Mountains: ca 10 air mi SE of Kremmling and ca 24 air mi NW of Silverthorne, ca 2 mi E of Colo Hwy 9 off County Road 381.  Elev. 8060-8300 ft.
T1S R80W S36 W1/2.  39.9171 N, 106.3057 W to 39.9229 N, 106.3069 W; GPS Reading.  
Along stream. Phenology: vegetative only. 

Erin Foley, 6307.  5/28/2004. 		RM 
_________________________________________________________________________

244.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Middle Park: ca 6 air mi SE of Granby and 4.5 air mi NNW of Fraser, 1 mi S of Behler Creek.  Elev. 8500-9200 ft.
T1N R76W S24.  40.0381 N, 105.8362 W to 40.0305 N, 105.8545 W; GPS Reading.  
Along stream. Phenology: vegetative only. 

Erin Foley, 6543.  6/1/2004. 		RM 
_________________________________________________________________________

245.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Middle Park: BLM land adjacent to Hot Sulphur Springs State Wildlife Area: ca 1.5 air mi SSW of Hot Sulphur Springs.  Elev. 7750-8100 ft.
T1N R78W S15 SE1/4.  40.0432 N, 106.1189 W to 40.0429 N, 106.1105 W; GPS Reading.  
Along stream and adjacent banks. Phenology: vegetative only. 

Erin Foley, 6657.  6/1/2004. 		RM 
_________________________________________________________________________

246.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Williams Fork Mountains: ca 2 mi NW of Green Mountain Reservoir along Colo Hwy 9.  Elev. 7650 ft.
T1S R80W S34 SW1/4.  39.9178 N, 106.3331 W; GPS Reading.  
Along small stream through shale/siltstone substrate. Phenology: flowering & fruiting. 

Erin Foley, 6785.  6/3/2004. 		RM 
_________________________________________________________________________

247.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Middle Park: Dry Creek along County Road 1, ca 3 air mi SSW of Kremmling and ca 9.5 air mi NE of Radium.  Elev. 7600 ft.
T1N R80W S30 S1/2; also N1/2 S31.  40.0135 N, 106.396 W; GPS Reading.  
Along stream adjacent to sagebrush slope. Phenology: vegetative only. 

Erin Foley, 6855.  6/3/2004. 		RM 
_________________________________________________________________________

248.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Arapaho National Forest: Middle Park: Beaver Creek, ca 3.5 air mi S of Hot Sulphur Springs along Beaver Creek Road.  Elev. 8100-8300 ft.
T1N R78W S26 NW1/4.  40.029 N, 106.0991 W to 40.0239 N, 106.1033 W; GPS Reading.  
Along creek. Phenology: vegetative only. 

Erin Foley, 7232.  6/10/2004. 		RM 
_________________________________________________________________________

249.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Middle Park: just S of Hot Sulphur Springs State Wildlife Area and just N of Little Muddy, ca 3.5 air mi SSW of Hot Sulphur Springs and 11 air mi SW of Granby.  Elev. 8000-8450 ft.
T1N R78W S27 E1/2.  40.0218 N, 106.1089 W to 40.0223 N, 106.114 W; GPS Reading.  
Along irrigation ditch through sagebrush slope. Phenology: vegetative only. 

Erin Foley, 7322.  6/10/2004. 		RM 
_________________________________________________________________________

250.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Arapaho National Forest: Middle Park: Beaver Creek Road, ca 6 air mi SE of Hot Sulphur Springs and ca 8.5 air mi SW of Granby.  Elev. 8000-8450 ft.
T1N R77W S32 W1/2.  40.0079 N, 106.0414 W; GPS Reading.  
Mixed coniferous forest along creek and adjacent meadow. Phenology: flowering & fruiting. 

Erin Foley, 7375.  6/10/2004. 		RM 
_________________________________________________________________________

251.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Rabbit Ears Range: The Gunsight, 0.5 mi W of Gunsight Pass, ca 11.5 air mi NNE of Kremmling and 14.5 air mi NW of Hot Sulphur Springs.  Elev. 8080-8260 ft.
T3N R80W S22 W1/2; also E1/2 S21.  40.2123 N, 106.349 W; GPS Reading.  
Moist Douglas fir slope. Phenology: vegetative only. 

Erin Foley, 7401.  6/12/2004. 		RM 
     with Tony Sloan
_________________________________________________________________________

252.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Rabbit Ears Range: Antelope Creek, ca 12.5 air mi NNE of Kremmling and ca 18.5 air mi NW of Hot Sulphur Springs.  Elev. 7840-8040 ft.
T3N R80W S8 SW1/4.  40.2318 N, 106.3665 W; GPS Reading.  
Along dry irrigation ditch. Phenology: vegetative only. 

Erin Foley, 7491.  6/12/2004. 		RM 
     with Tony Sloan
_________________________________________________________________________

253.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Arapaho National Forest: Vasquez Mountains: Fraser Experimental Forest: ca 2 air mi ESE of Byers Peak and ca 8 air mi SW of Fraser.  Elev. 9400-9840 ft.
T2S R76W S20 E1/2; also W1/2 S21.  39.8556 N, 105.9086 W to 39.8556 N, 105.903 W; GPS Reading.  
Spruce forest along intermittent stream. Phenology: vegetative only. 

Erin Foley, 7645.  6/14/2004. 		RM 
_________________________________________________________________________

254.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Vasquez Mountains: Blue Ridge: Pole Creek near Sheep Mountain, ca 9 air mi S of Granby, ca 6 air mi WNW of Fraser.  Elev. 8860-9800 ft.
T1S R76W S18; also S1/2 S7.  39.9721 N, 105.9379 W; GPS Reading.  
Along creek. Phenology: flowering & fruiting. 

Erin Foley, 7731.  6/14/2004. 		RM 
_________________________________________________________________________

255.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Middle Park: Rock Creek, ca 3 air mi NW of Parshall and ca 10 air mi ENE of Kremmling.  Elev. 7600 ft.
T2N R79W S35 SW1/4.  40.0902 N, 106.2136 W to 40.0877 N, 106.215 W; GPS Reading.  
Along creek and adjacent fine sediment, sloping banks. Phenology: vegetative only. 

Erin Foley, 7837.  6/17/2004. 		RM 
_________________________________________________________________________

256.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Arapaho National Forest: Front Range: Bard Creek, ca 1.5 air mi SW of Empire and ca 2.5 air mi NW of Georgetown.  Elev. 7900-8040 ft.
T3S R74W S31 E1/2.  39.743 N, 105.7075 W; GPS Reading.  
Along creek. Phenology: vegetative only. 

Erin Foley, 8023.  6/19/2004. 		RM 
_________________________________________________________________________

257.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Middle Park: Ute Bill Creek, ca 3.5 air mi NW of Hot Sulphur Springs and ca 5 air mi NE of Parshall.  Elev. 9080-9600 ft.
T2N R78W S21 N1/2.  40.1279 N, 106.1355 W; GPS Reading.  
Along creek. Phenology: vegetative only. 

Erin Foley, 8351.  6/26/2004. 		RM 
_________________________________________________________________________

258.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Middle Park: Ute Bill Creek, ca 4 air mi NW of Hot Sulphur Springs and ca 6 air mi NE of Parshall.  Elev. 9160-9440 ft.
T2N R78W S16 S1/2.  40.1331 N, 106.1355 W; GPS Reading.  
Along creek. Phenology: vegetative only. 

Erin Foley, 8404.  6/26/2004. 		RM 
_________________________________________________________________________

259.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Middle Park: Corral Creek, ca 1.5 air mi NNW of Parshall and ca 4 air mi W of Hot Sulphur Springs.  Elev. 9160-9440 ft.
T1N R78W S6 W1/2; also T1N R79W S1 E1/2.  40.0777 N, 106.1858 W to 40.0803 N, 106.1759 W; GPS Reading.  
Along creek. Phenology: vegetative only. 

Erin Foley, 8493.  6/26/2004. 		RM 
_________________________________________________________________________

260.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Rabbit Ears Range: tributary of Willow Creek, ca 9.5 air mi NW of Granby and ca 9.5 air mi SE of Willow Creek Pass.  Elev. 8400-8640 ft.
T3N R77W S21 SW1/4; also SE1/4 S20.  40.2001 N, 106.0348 W to 40.2032 N, 106.0292 W; GPS Reading.  
Along stream. Phenology: vegetative only. 

Erin Foley, 8668.  6/28/2004. 		RM 
_________________________________________________________________________

261.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Arapaho National Recreation Area: Willow Creek Reservoir, ca 4 air mi NW of Granby and ca 11 air mi SW of Grand Lake.  Elev. 8200 ft.
T2N R77W S12 SE1/4.  40.1446 N, 105.9565 W; GPS Reading.  
Adjacent to reservoir. Phenology: vegetative only. 

Erin Foley, 8863.  7/1/2004. 		RM 
_________________________________________________________________________

262.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Middle Park: Kinney Creek, ca 3.5 air mi NE of Hot Sulphur Springs and ca 8 air mi WNW of Granby.  Elev. 8400-9150 ft.
T2N R78W S24 S1/2.  40.1175 N, 106.0872 W to 40.1214 N, 106.0751 W; GPS Reading.  
Along creek, area heavily trafficked by cattle. Phenology: vegetative only. 

Erin Foley, 8945.  7/1/2004. 		RM 
_________________________________________________________________________

263.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Arapaho National Forest: Front Range: Robbers Roost Campground, ca 4 air mi SSE of Winter Park, and ca 2.5 air mi NE of Berthoud Pass.  Elev. 9700-10000 ft.
T2S R75W S35.  39.8319 N, 105.7561 W to 39.837 N, 105.7519 W; GPS Reading.  
Intermittent stream through spruce/fir forest. Phenology: vegetative only. 

Erin Foley, 9113.  7/3/2004. 		RM 
_________________________________________________________________________

264.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Gore Range: Dice Hill, ca 29 air mi NW of Silverthorne and 9 air mi SSW of Kremmling.  Elev. 9400-9600 ft.
T2N R81W S27 SW1/4; also NW1/4 S34.  39.9452 N, 106.4437 W to 39.9396 N, 106.4478 W; GPS Reading.  
Along old beaver dams. Phenology: vegetative only. 

Erin Foley, 9270.  7/6/2004. 		RM 
_________________________________________________________________________

265.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Clear Creek County: Arapaho National Forest: Front Range: Watrous Gulch and Mount Parnassus, ca 4.5 air mi NE of Loveland Pass and ca 6.5 air mi SW of Berthoud Pass.  Elev. 10180-12600 ft.
T4S R75W S7; also T4S R76W S13.  39.7025 N, 105.8537 W to 39.7178 N, 105.8289 W; GPS Reading.  
Intermittent stream through lodgepole pine. Phenology: vegetative only. 

Erin Foley, 9534.  7/8/2004. 		RM 
_________________________________________________________________________

266.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Middle Park: Round Creek, ca 11.5 air mi NE of Kremmling and ca 13.8 air mi NW of Hot Sulphur Springs.  Elev. 8680-9120 ft.
T3N R79W S19; also N1/2 S30.  40.1995 N, 106.2801 W to 40.2106 N, 106.2778 W; GPS Reading.  
Along creek. Phenology: vegetative only. 

Erin Foley, 9588.  7/10/2004. 		RM 
_________________________________________________________________________

267.  Equisetum arvense L. 				Equisetaceae

U.S.A., Utah, Washington County: Zion National Park: upper Emerald Hanging Garden, Zion Canyon.  Elev. 1433 m.
x326061:y4125225.  zone 12, 326061E, 4125225N; Specimen Label.  
Hanging garden. 

James F. Fowler, 653.  5/30/1992. 		 
     with C. L. May and Jon Hak
_________________________________________________________________________

268.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Crooks Mountain: Cottonwood Creek and vicinity on the north side of the mountain, ca 10 air mi SW of Jeffrey City; ca 48 air mi SE of Lander.  Elev. 7400-7700 ft.
T28N R93W S18 NW1/4.  42.3992 N, 107.9778 W.  
Stream bank, old beaver ponds, and aspen woods along the stream. Phenology: vegetative only. 

B. E. Nelson, 31128.  6/5/1994. 		 674118	Barcode: RM0125330
     with Laura Welp
_________________________________________________________________________

269.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Great Divide Basin Area: Great Divide Basin: Scotty Canyon along Atlantic Rim, ca 17 air mi SW of Rawlins; ca 11 air mi WSW of Chokecherry Knob.  Elev. 7500-7700 ft.
T19N R89W S16 South1/2.  41 37' 37" N, 107 25' 26" W.  
Open creek bottom; dense graminoids dominant, forbs diverse; moist, compact, peat soil. Phenology: vegetative only. 

Laura Welp, 1049.  6/23/1994. 		 674112	Barcode: RM0125324
_________________________________________________________________________

270.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Great Divide Basin Area: Great Divide Basin: Scotty Canyon along Atlantic Rim, ca 17 air mi SW of Rawlins; ca 11 air mi WSW of Chokecherry Knob.  Elev. 7700-7800 ft.
T19N R89W S16 South1/2.  41 37' 37" N, 107 25' 26" W.  
Shaded drainage on north-facing slope; dense aspen dominant. Phenology: vegetative only. 

Laura Welp, 1097.  6/23/1994. 		 674113	Barcode: RM0125325
_________________________________________________________________________

271.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Green Mountain: Abel Springs, ca 3.5 air mi SSW of Whiskey Peak; ca 4.5 air mi NW of Bairoil.  Elev. 7500-7550 ft.
T27N R90W S21 W1/2.  42.2967 N, 107.5883 W.  
Shaded flat creekside; dense aspen/pine overstory, dense grass understory, forbs diverse; moist, dark soil. Phenology: vegetative only. 

Laura Welp, 1416.  6/29/1994. 		 674114	Barcode: RM0125326
_________________________________________________________________________

272.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Green Mountain: Sand Spring and its intersection with Crooks Creek, ca 5 air mi NE of Bare Ring Butte; ca 11.5 air mi W of Whiskey Peak.  Elev. 7120-7220 ft.
T27N R92W S14 SE1/4; also NE1/4 S23.  42.3117 N, 107.7822 W.  
Sparsely vegetated sand dunes surrounding spring. Phenology: vegetative only. 

Laura Welp, 2412.  7/18/1994. 		 674115	Barcode: RM0125327
_________________________________________________________________________

273.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Green Mountain: drainage and associated slopes and beaver ponds ca 4 air mi W of Whiskey Peak; ca 12.5 air mi NE of Bare Ring Butte.  Elev. 7800 ft.
T27N R90W S7.  42.3258 N, 107.6269 W.  
Running stream; closed pine/scattered aspen overstory, dense graminoids/scattered Salix and juniper understory; moist, dark, sandy soil. Phenology: vegetative only. 

Laura Welp, 2466.  7/19/1994. 		 674116	Barcode: RM0125328
_________________________________________________________________________

274.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Crooks Mountain: O'Brien Creek and adjacent slopes ca 4 air mi NW of Crooks Peak; ca 7 air mi SW of Jeffrey City.  Elev. 6860-7080 ft.
T28N R93W S3 SE1/4; also NE1/4 S10.  42.4281 N, 107.9192 W.  
Shaded creek with beaver dam; dense aspen overstory, Ribes understory; moist sandy soil. Phenology: vegetative only. 

Laura Welp, 2901.  7/25/1994. 		 674117	Barcode: RM0125329
_________________________________________________________________________

275.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Green Mountain: small creek at headwaters of East Cottonwood Creek, ca 10.5 air mi E of Crooks Peak; ca 13.5 air mi W of Three Forks.  Elev. 7900-8100 ft.
T28N R91W S34 SE1/4.  42.3553 N, 107.6875 W.  
Banks of creek on north-facing slope; densely vegetated with shady graminoid understory, scattered pine and aspen overstory; moist, red gravel soil. Phenology: vegetative only. 

Laura Welp, 897.  6/21/1994. 		 674111	Barcode: RM0125323
_________________________________________________________________________

276.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Green Mountain, ca 7 air mi W of Muddy Gap.  Elev. 7000-7400 ft.
T28N R90W S32.  42.3547 N, 107.6097 W.  
Streamside, rocky slopes, and lodgepole pine covered slopes. Phenology: vegetative only. 

Ronald L. Hartman, 46224.  6/21/1994. 		 674119	Barcode: RM0125331
_________________________________________________________________________

277.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Green Mountain: East Cottonwood Creek, ca 13 air mi W of Three Forks; ca 13.5 air mi SE of Jeffrey City.  Elev. 7500-7800 ft.
T28N R91W S27 South1/2.  42.3695 N, 107.6875 W.  
Moist shaded creekside with dense grasses, scattered Populus and pine; thick organic soil. Phenology: vegetative only. 

Laura Welp, 7303.  8/4/1995. 		 674316	Barcode: RM0125550
_________________________________________________________________________

278.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Popo Agie River Drainage: Beaver Creek, ca 20 air mi S of Lander; ca 25 air mi W of Sweetwater Station.  Elev. 7800-7940 ft.
T30N R99W S28 SW1/4.  42.5442 N, 108.6697 W.  
Wet spring near creek with dense graminoids, pine overstory; organic soil. Phenology: vegetative only. 

Laura Welp, 7541.  8/8/1995. 		 674317	Barcode: RM0125549
_________________________________________________________________________

279.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: Gros Ventre Area: North Beaver Creek, ca 12 air mi E of Bondurant.  Elev. 8500-8700 ft.
T37N R111W S3.  43.2054 N, 110.1573 W; uncertainty 1 mi..  
Spruce and lodgepole pine forests and meadows along creek. Phenology: vegetative only. 

Ronald L. Hartman, 46294.  6/23/1994. 		 
_________________________________________________________________________

280.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: Gros Ventre Area: Miner Creek, ca 12 air mi ESE of Bondurant.  Elev. 8100-8200 ft.
T37N R111W S29.  43.1475 N, 110.1965 W.  
Shaley and sandy slopes, willow bottoms, and spruce forest. Phenology: vegetative only. 

Ronald L. Hartman, 46401.  6/23/1994. 		 
_________________________________________________________________________

281.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Gros Ventre Area: Swift Creek trail from Wilderness boundary NNE ca 1.5 air mi, at break of trail with basin area.  Elev. 7400-9400 ft.
T39N R113W S3 NE1/4; also E1/2 S4 and N1/2 S9.  43.371 N, 110.391 W.  
Coniferous forest and stream margins along trail; substrate calcareous. Phenology: vegetative only. 

Ronald L. Hartman, 46882.  6/28/1994. 		RM 625720	Barcode: RM0125926
_________________________________________________________________________

282.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Gros Ventre Area: Little Granite Creek Pack Trail: from trail head to Wilderness boundary.  Elev. 6700-7000 ft.
T39N R114W S22.  43.3281 N, 110.5085 W; uncertainty 1 mi..  
Streamside and coniferous forests. Phenology: vegetative only. 

Ronald L. Hartman, 47168.  7/7/1994. 		RM 624561	Barcode: RM0125929
_________________________________________________________________________

283.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Gros Ventre Area: Cache Creek, ca 2-3.5 air mi SE of center of Jackson.  Elev. 6400-6700 ft.
T40N R116W S1 W1/2; also S2.  43.4568 N, 110.7044 W; uncertainty 2 mi..  
Stream margins with blue spruce and open slopes. Phenology: vegetative only. 

Ronald L. Hartman, 47625.  7/10/1994. 		 
_________________________________________________________________________

284.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Gros Ventre Area: Granite Creek Hot Springs, N along trail and creek ca 1 air mile.  Elev. 7000-7200 ft.
T39N R113W S6 N1/2; also T40N R113W S31 SE1/4.  43.371 N, 110.4498 W; uncertainty 2 mi..  
Coniferous forests, meadows, and streamside. Phenology: vegetative only. 

Ronald L. Hartman, 48184.  7/26/1994. 		 
_________________________________________________________________________

285.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Gros Ventre Area: southwest end and side of Lower Slide Lake.  Elev. 6900 ft.
T42N R114W S4 SW1/4; also SE1/4 S5.  43.634 N, 110.5366 W; uncertainty 1 mi..  
Shore line and lower wooded slopes. Phenology: vegetative only. 

Ronald L. Hartman, 49649.  8/19/1994. 		 
_________________________________________________________________________

286.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Gros Ventre Area: Alkali Creek from Gros Ventre River Road to river and down stream ca 0.5 air mi.  Elev. 7200-7300 ft.
T42N R113W S14 SW1/4; also NW1/4 S23.  43.6052 N, 110.3772 W.  
Stream and river sides. Phenology: vegetative only. 

Ronald L. Hartman, 49697.  8/19/1994. 		RM 
_________________________________________________________________________

287.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: Gros Ventre Area: trail to Cream Puff Peak, ca 0.5-2 air mi from trail head between Bear and Bull Creeks.  Elev. 6400-8200 ft.
T39N R114W S30; also NE1/4 S31 & SW1/4 S32.  43.3138 N, 110.5673 W; uncertainty 3 mi..  
Coniferous forests, open slopes, and meadows. Phenology: vegetative only. 

Ronald L. Hartman, 49823.  8/20/1994. 		 
_________________________________________________________________________

288.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Gros Ventre Area: confluence of Flat Creek and the Snake River, ca 6 air mi S of Jackson.  Elev. 6000 ft.
T40N R116W S34 NW1/4.  43.3853 N, 110.7435 W; uncertainty 0.5 mi..  
Along waterway and upslope. Phenology: vegetative only. 

Ronald L. Hartman, 49952.  8/22/1994. 		RM 
_________________________________________________________________________

289.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: Gros Ventre Area: ca 7 air mi E of Bondurant.  Elev. 7300-7400 ft.
T37N R112W S11 NW1/4.  43.191 N, 110.2554 W; uncertainty 0.5 mi..  
Meadow and willow thickets along stream. Phenology: vegetative only. 

Ronald L. Hartman, 52400.  7/23/1995. 		 655441	Barcode: RM0125385
_________________________________________________________________________

290.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: Gros Ventre Area: ca 5 air mi NW of Bondurant.  Elev. 7400 ft.
T38N R114W S24 NW1/4.  43.2423 N, 110.4694 W.  
Along river. Phenology: vegetative only. 

Ronald L. Hartman, 52454.  7/23/1995. 		 655440	Barcode: RM0125386
     with Stuart Markow
_________________________________________________________________________

291.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Mount Leidy Highland Area: head of Dry Cottonwood Creek.  Elev. 8900-9000 ft.
T42N R112W S4 SE1/4.  
Wooded areas, streamside, and meadows. Phenology: vegetative only. 

Ronald L. Hartman, 53318.  8/12/1995. 		 
_________________________________________________________________________

292.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Washakie County: Tensleep Preserve, The Nature Conservancy: southwest flank, foothills of the Big Horn Mountains, ca 10 mi E of Ten Sleep; Billy Creek off of Upper Canyon Creek Canyon along Billy Creek Trail.  Monument Hill quad.  Elev. 6650 ft.
43.994 N, 107.2018 W; WGS 84, , GPS reading.  
Riparian vegetation along edge of creek; narrow valley, growing with Acer glabrum, Balsamorhiza sagittata, Boechera nuttallii, Clematis hirsutissima, Geranium richardsonii, G. viscosissimum, Lithophragma parviflorum, Ribes viscosissimum, Phenology: spores. 

Loy R. Phillippe, 36838.  6/14/2004. 		RM 785724	Barcode: RM0125481
     with Richard L. Larimore, J. L. Crane, Daniel T. Busemeyer
_________________________________________________________________________

293.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Eagle County: Central Colorado: Sawatch Range, West Slope Continental Divide: Whitney Lake area, off Forest Road 703, ca 5 air mi NE of Homestake Reservoir; ca 12 air mi S of Minturn.  Elev. 9100-10956 ft.
T7S R81W S21; also S22 and S23.  39.4263 N, 106.4501 W.  
Populus tremuloides with scattered Pinus contorta and spruce-fir forest. Phenology: vegetative only. 

Emily A. Holt, 1095.  6/22/2000. 		 
_________________________________________________________________________

294.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Chaffee County: Central Colorado: Sawatch Range, East Slope Continental Divide: Rainbow Trail area from Forest Road 108 to U.S. Hwy 285 at Mears Junction, ca 3 air mi S of Salida.  Elev. 8800-10200 ft.
T49N R9E S19; also S30, T49N R8E S23, S24, S25, S26, S27, S33, S34; also T48N R8E S4, S5.  38.4883 N, 106.0159 W.  
Mixed conifer to aspen to open grass. Phenology: vegetative only. 

Emily A. Holt, 1170.  6/24/2000. 		 
_________________________________________________________________________

295.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Pitkin County: Central Colorado: Sawatch Range, West Slope Continental Divide: Twin Meadows area, off Forest Road 4D at Norrie, near Sawyer Lake trailhead, ca 18 air mi NE of Aspen; ca 1.5 air mi S of Norrie.  Elev. 9440-9560 ft.
T9S R83W S3.  39.2962 N, 106.6538 W.  
Lakeside with Salix and Pinus contorta. Phenology: vegetative only. 

Emily A. Holt, 1388.  6/27/2000. 		 
_________________________________________________________________________

296.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Eagle County: Central Colorado: Sawatch Range, West Slope Continental Divide: Two Elks Trail, ca 6 air mi S of Vail.  Elev. 8023-11000 ft.
T5S R79W S19; also S30 and T5S R80W S25, S26, S27, S28, S29, S32, S33 and T6S R80W S1.  39.6021 N, 106.2777 W.  
Spruce-fir to open meadow to aspen woodland to lodgepole pine forest. Phenology: vegetative only. 

Emily A. Holt, 1696.  7/5/2000. 		 
_________________________________________________________________________

297.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Eagle County: Central Colorado: Sawatch Range, West Slope Continental Divide: Squaw Gulch area, on Forest Road 422 and trail 1897, ca 5.5 air mi SW of Edwards.  Elev. 7900-8800 ft.
T5S R83W S25 W1/2.  39.5885 N, 106.6345 W.  
Aspen woodland and riparian area. Phenology: spores. 

Emily A. Holt, 192.  6/2/2000. 		 
_________________________________________________________________________

298.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Chaffee County: Central Colorado: Sawatch Range, East Slope Continental Divide: Little Brown and Brown Creek area, off of Forst Service trails 1429 and 1427 or the Wagon Loop Trail, ca 9 air mi SW of Nathrop.  Elev. 8800-9800 ft.
T51N R7E S14; also S15, S22; also S23.  38.6717 N, 106.1606 W.  
Mixed forest (Pseudotsuga menziesii, Pinus edulis, P. ponderosa, P. contorta). Phenology: vegetative only. 

Emily A. Holt, 1997.  7/10/2000. 		 
_________________________________________________________________________

299.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Eagle County: Central Colorado: Sawatch Range, West Slope Continental Divide: Squaw Gulch area, on Forest Road 422 and trail 1897, ca 5.5 air mi SW of Edwards.  Elev. 7900-8800 ft.
T5S R83W S25 W1/2.  39.5885 N, 106.6345 W.  
Aspen woodland and riparian area. Phenology: vegetative only. 

Emily A. Holt, 213.  6/2/2000. 		 
_________________________________________________________________________

300.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Eagle County: Central Colorado: Gore Range, West Slope Continental Divide: Big Horn Creek area, on Forest Service Trail 2013, ca 4 air mi E of Vail.  Elev. 8600-10600 ft.
T5S R80W S1; 2 and T4S R79W S31 and S32.  39.6456 N, 106.2965 W.  
Aspen to spruce-fir to montane meadow/scree. Phenology: vegetative only. 

Emily A. Holt, 2164.  7/13/2000. 		 
_________________________________________________________________________

301.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Eagle County: Central Colorado: Gore Range, West Slope Continental Divide: Black Lakes area, just N of Vail Pass, ca 12.5 air mi SE of Vail.  Elev. 10400-11000 ft.
T6S R79W S9.  39.5419 N, 106.2279 W.  
Open Salix with Picea engelmannii. Phenology: vegetative only. 

Emily A. Holt, 2314.  7/18/2000. 		 
_________________________________________________________________________

302.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Pitkin County: Central Colorado: Sawatch Range, West Slope Continental Divide: Woody Creek Forest Service trail 1994, 0.4 road mi E of Lenado on Forest Road 103; ca 5.5 air mi NE of Aspen.  Elev. 9200-9400 ft.
T9S R84W S26.  39.2407 N, 106.7397 W.  
Populus tremuloides-Epilobium and Pseudotsuga menziesii, on steep north aspect talus slope. Phenology: vegetative only. 

Emily A. Holt, 318.  6/2/2000. 		 
_________________________________________________________________________

303.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Eagle County: Central Colorado: Sawatch Range, West Slope Continental Divide: below Mount Jackson, along Lake Creek Forest Service Trail 1880, ca 11 air mi S of Edwards.  Elev. 10200-11000 ft.
T6S R82W S33; also S34.  39.4841 N, 106.5612 W.  
Open spruce-fir forest and boulder field. Phenology: vegetative only. 

Emily A. Holt, 3261.  8/6/2000. 		 
     with Brain Elliott
_________________________________________________________________________

304.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Eagle County: Central Colorado: Sawatch Range, West Slope Continental Divide: along East Lake Creek, ca 8 air mi SSW of Avon.  Elev. 9600-10200 ft.
T6S R82W S9; also S16, S21; also S28.  39.5419 N, 106.5612 W.  
Spruce-fir forest. Phenology: vegetative only. 

Emily A. Holt, 3411.  8/6/2000. 		 
     with Brian Elliott
_________________________________________________________________________

305.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Eagle County: Central Colorado: Sawatch Range, West Slope Continental Divide: along East Lake Creek Forest Service Trail 1880, small pond near east side of trail, ca 8 air mi S of Avon.  Elev. 9600-9680 ft.
T6S R82W S15.  39.5274 N, 106.5427 W.  
Spruce-fir and aspen forests around small pond. Phenology: vegetative only. 

Emily A. Holt, 3421.  8/6/2000. 		 
     with Brian Elliott
_________________________________________________________________________

306.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Pitkin County: Central Colorado: Sawatch Range, West Slope Continental Divide: Martin Creek area, along old unmarked Forest Service trail, ca 10 air mi NNE of Independence Pass.  Elev. 10000-10520 ft.
T9S R82W S23; also S27 and S34.  39.2529 N, 106.5242 W.  
Spruce-fir with willow bogs. Phenology: vegetative only. 

Emily A. Holt, 3700.  8/11/2000. 		 
_________________________________________________________________________

307.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Pitkin County: Central Colorado: Sawatch Range, West Slope Continental Divide: Nast Lake area, 3.6 road mi from Chapman Campground on spur road off Forest Road 105, ca 4.5 air mi SE of Norrie; ca 15 air mi NE of Aspen.  Elev. 8700-8800 ft.
T9S R82W S6.  39.2962 N, 106.5983 W.  
Pinus contorta at lake front. Phenology: vegetative only. 

Emily A. Holt, 380.  6/5/2000. 		 
_________________________________________________________________________

308.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Eagle County: Central Colorado: Sawatch Range, West Slope Continental Divide: along Fall Creek Trail 2001 to Lake Constantine, ca 6 air mi S of Minturn.  Elev. 10380-11371 ft.
T6S R81W S27; also S34 and T7S R81W S3, S4; also S9.  39.4985 N, 106.4316 W.  
Spruce-fir forest. Phenology: vegetative only. 

Emily A. Holt, 3832.  8/13/2000. 		 
_________________________________________________________________________

309.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Lake County: Central Colorado: Sawatch Range, East Slope Continental Divide: Turquoise Lake Trail from May Queen Campground to the dam, ca 3 air mi NE of Leadville.  Elev. 10000 ft.
T9S R80W S7; also S8, S17, S20; also T9S R81W S10, S11; also S12.  39.2818 N, 106.3761 W.  
Pinus contorta forest at lake front. Phenology: vegetative only. 

Emily A. Holt, 4139.  8/17/2000. 		 
     with Benjamin Madsen
_________________________________________________________________________

310.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Lake County: Central Colorado: Sawatch Range, East Slope Continental Divide: along old paved road off Colo Hwy 91 by Arkansas River, ca 10 air mi NE of Leadville.  Elev. 10400-10800 ft.
T8S R79W S15; also S16.  39.354 N, 106.2094 W.  
Willow along roadside. Phenology: vegetative only. 

Emily A. Holt, 4196.  8/17/2000. 		 
     with Benjamin Madsen
_________________________________________________________________________

311.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Pitkin County: Central Colorado: Sawatch Range, East Slope Continental Divide: Lost Man Creek Trail 1996, ca 11 air mi ESE of Aspen.  Elev. 10600-11200 ft.
T10S R83W S36; also S25.  39.1373 N, 106.6168 W.  
Picea forest. Phenology: vegetative only. 

Emily A. Holt, 4342.  8/22/2000. 		 
_________________________________________________________________________

312.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Chaffee County: Central Colorado: Sawatch Range, East Slope Continental Divide: O'Haver Lake area, on County Road 200, 3.4 road mi from U.S. Hwy 285, ca 7.5 air mi SW of Poncha Springs.  Elev. 9200-9480 ft.
T48N R7E S12.  38.4175 N, 106.1483 W.  
Pinus ponderosa with Populus tremuloides woodland at lake front. Phenology: vegetative only. 

Emily A. Holt, 503.  6/6/2000. 		 
_________________________________________________________________________

313.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Chaffee County: Central Colorado: Sawatch Range, East Slope Continental Divide: Pass Creek, 3 air mi W of Poncha Springs.  Elev. 8200-8300 ft.
T49N R7E S13 W1/2.  38.5024 N, 106.1425 W.  
Pinyon-juniper covered slope with irrigation ditch. Phenology: vegetative only. 

Ronald L. Hartman, 66658.  5/22/2000. 		 
     with Emily Holt
_________________________________________________________________________

314.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Eagle County: Central Colorado: Castle Peak Area, West Slope Continental Divide: Trail Gulch on BLM Road 301, ca 7 air mi NNW of Gypsum.  Elev. 6550-6860 ft.
T3S R86W S35 South1/2.  39.7502 N, 107.0011 W.  
Gypsum barren slopes. Phenology: vegetative only. 

Ronald L. Hartman, 66769.  5/23/2000. 		 
     with Emily Holt
_________________________________________________________________________

315.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Chaffee County: Central Colorado: Sawatch Range, East Slope Continental Divide: just W of Cottonwood Lake, 4.9 road mi W on County Road 344 from County Road 306, ca 12 air mi SW of Buena Vista.  Elev. 9600 ft.
T15S R80W S2.  38.7759 N, 106.3036 W.  
Aspen grove with small stream. Phenology: vegetative only. 

Emily A. Holt, 5207.  6/14/2001. 		RM 
_________________________________________________________________________

316.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Eagle County: Central Colorado: Gore Range, West Slope Continental Divide: east side of Slough Grass Lake, off Forest Road 401, ca 10 air mi E of State Bridge.  Elev. 9200 ft.
T2S R81W S33.  39.8384 N, 106.4614 W.  
Palustrine with aspen and spruce surrounding lake. Phenology: vegetative only. 

Emily A. Holt, 5223.  6/15/2001. 		RM 
_________________________________________________________________________

317.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Eagle County: Central Colorado: Gore Range, West Slope Continental Divide: off Forest Road 402 just before spur with Forest Road 401, ca 7 air mi E of State Bridge.  Elev. 9400-9600 ft.
T2S R81W S24.  39.8678 N, 106.4035 W.  
Aspen and spruce-fir forest near small lake. Phenology: vegetative only. 

Emily A. Holt, 5255.  6/15/2001. 		RM 
_________________________________________________________________________

318.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Chaffee County: Central Colorado: Sawatch Range, East Slope Continental Divide: along Pine Creek Trail 1467 at junction with Colorado Trail, including 1.5 mi E of this junction, ca 6 air mi S of Granite.  Elev. 9400-10400 ft.
T12S R79W S31; also S32 and S29.  38.9632 N, 106.2665 W.  
Lodgepole with interspersed spruce-fir on granite soil, including several small creek crossings. Phenology: spores. 

Emily A. Holt, 5350.  6/18/2001. 		RM 
_________________________________________________________________________

319.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Chaffee County: Central Colorado: Sawatch Range, East Slope Continental Divide: along trail 1467. ca 5 air mi SE of Granite.  Elev. 9200 ft.
T12S R79W S21.  38.992 N, 106.2294 W.  
Palustrine with willow and fir-lodgepole forests. Phenology: vegetative only. 

Emily A. Holt, 5370.  6/18/2001. 		RM 
_________________________________________________________________________

320.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Eagle County: Central Colorado: Gore Range, West Slope Continental Divide: off Forest Road 701, NW of Horse Pond, ca 7 air mi N of Edwards.  Elev. 9400-9600 ft.
T3S R82W S33.  39.7506 N, 106.5772 W.  
Aspen woodland with small pond at bottom. Phenology: vegetative only. 

Emily A. Holt, 5602.  6/21/2001. 		RM 
_________________________________________________________________________

321.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Eagle County: Central Colorado: Hardscrabble Mountain Area, West Slope Continental Divide: near Gypsum Creek along Forest Road 412 at split in road towards LEDE Reservoir, ca 13 air mi S of Eagle.  Elev. 9000-9400 ft.
T6S R84W S35.  39.4893 N, 106.7812 W.  
Sagebrush near creek. Phenology: vegetative only. 

Emily A. Holt, 5882.  6/26/2001. 		RM 
_________________________________________________________________________

322.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Eagle County: Central Colorado: Sawatch Range, West Slope Continental Divide: Colorado Trail from Tennessee Pass N towards Mitchell for ca 3/4 mi, west side of U.S. Hwy 24, ca 10 air mi N of Leadville.  Elev. 10000-10400 ft.
T8S R80W S10; also S3 and S4.  39.3683 N, 106.321 W.  
Lodgepole with open areas of willow and some dense patches of spruce. Phenology: vegetative only. 

Emily A. Holt, 5940.  6/27/2001. 		RM 
_________________________________________________________________________

323.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Eagle County: Central Colorado: Sawatch Range, West Slope Continental Divide: along Trail 1898 to Nolan Lake, ca 14 air mi S of Wolcott.  Elev. 10200-10600 ft.
T6S R83W S25.  39.5034 N, 106.6466 W.  
Spruce-fir forest. Phenology: vegetative only. 

Emily A. Holt, 6014.  6/28/2001. 		RM 
_________________________________________________________________________

324.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Eagle County: Central Colorado: Sawatch Range, West Slope Continental Divide: along West Grouse Creek Trail 2129, just SW of Wildernness sign, ca 2.5 air mi SW of Minturn.  Elev. 9400-9800 ft.
T5S R81W S33.  39.5739 N, 106.4614 W.  
Spruce-fir forest. Phenology: vegetative only. 

Emily A. Holt, 6227.  7/1/2001. 		RM 
_________________________________________________________________________

325.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Chaffee County: Central Colorado: Mosquito Range, East Slope Continental Divide: Trail 617 to Buffalo Meadows along Four Mile Creek, from Wilderness sign to cutoff to Salt Creek Trail, ca 9 air mi N of Buena Vista.  Elev. 10000-10200 ft.
T12S R78W S32.  38.9632 N, 106.1367 W.  
Aspen woodland along creek. Phenology: vegetative only. 

Emily A. Holt, 6263.  7/3/2001. 		RM 
_________________________________________________________________________

326.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Eagle County: Central Colorado: Sawatch Range, West Slope Continental Divide: off Forest Road 726 at junction with U.S. Hwy 24, east side of Forest Road 726, ca 4 air mi N of Tennessee Pass.  Elev. 9800-10000 ft.
T7S R80W S27.  39.4116 N, 106.321 W.  
Lodgepole forest with willow at roadside. Phenology: vegetative only. 

Emily A. Holt, 6564.  7/9/2001. 		RM 
_________________________________________________________________________

327.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Eagle County: Central Colorado: Sawatch Range, West Slope Continental Divide: off Half Moon Trail on west side of West Cross Creek, ca 7.5 air mi WSW of Redcliff.  Elev. 10800 ft.
T6S R81W S32.  39.4839 N, 106.4691 W.  
Palustrine with willow bog. Phenology: vegetative only. 

Emily A. Holt, 6730.  7/14/2001. 		RM 
_________________________________________________________________________

328.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Pitkin County: Central Colorado: Sawatch Range, West Slope Continental Divide: along Chance Creek Trail 1945, ca 3 air mi NE of Biglow.  Elev. 9400 ft.
T8S R83W S11.  39.3692 N, 106.6277 W.  
Palustrine wetland along creek within thick canopy of spruce-fir. Phenology: vegetative only. 

Emily A. Holt, 6886.  7/17/2001. 		RM 
_________________________________________________________________________

329.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Lake County: Central Colorado: Sawatch Range, East Slope Continental Divide: along Mt. Elbert Trail, W of Colorado Trail to top of aspen/lodgepole forest, ca 14 air mi SW of Leadville.  Elev. 10400-11200 ft.
T11S R81W S12.  39.1072 N, 106.3963 W.  
Aspen woodland with lodgepole. Phenology: vegetative only. 

Emily A. Holt, 7356.  7/30/2001. 		RM 
_________________________________________________________________________

330.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Pitkin County: Central Colorado: Sawatch Range, West Slope Continental Divide: along South Fork Fryingpan Trail 1940 towards Deadman Lake, ca 1 mi along trail, ca 4 air mi S of Nast.  Elev. 10000-10400 ft.
T9S R82W S29; also S30, S31; also S32.  39.2382 N, 106.5803 W.  
Old growth spruce-fir forest. Phenology: vegetative only. 

Emily A. Holt, 7756.  8/10/2001. 		RM 
_________________________________________________________________________

331.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Pitkin County: Central Colorado: Sawatch Range, West Slope Continental Divide: along Hunter Creek Trail 1992, E of Forest Service sign to second large meadow (ca 1 mi), ca 2 air mi NE of Aspen.  Elev. 8600-9000 ft.
T9S R84W S3; also S4 and S5.  39.2993 N, 106.757 W.  
Aspen forest with several open montane meadows. Phenology: vegetative only. 

Emily A. Holt, 7827.  8/11/2001. 		RM 
_________________________________________________________________________

332.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Eagle County: Central Colorado: Gore Range, West Slope Continental Divide: along Gore Creek Trail 2015, from Wilderness sign E ca 2.5 mi, ca 7 air mi E of Vail.  Elev. 9000-10000 ft.
T5S R79W S8; also S9 and S10.  39.6312 N, 106.2589 W.  
Mixed forest with aspen, lodgepole, spruce-fir and Douglas Fir. Phenology: vegetative only. 

Emily A. Holt, 7923.  8/14/2001. 		RM 
_________________________________________________________________________

333.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Lake County: Central Colorado: Sawatch Range, East Slope Continental Divide: on Leadville National Fish Hatchery, along trail W from picnic area off Colo Hwy 300, ca 7 air mi SW of Leadville.  Elev. 9600-10000 ft.
T9S R81W S36.  39.2237 N, 106.3951 W.  
Lodgepole near small ponds and streams with Betula and Salix. Phenology: vegetative only. 

Emily A. Holt, 8192.  8/24/2001. 		RM 
     with Sarah Bergemann
_________________________________________________________________________

334.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Valley County: Payette National Forest and Vicinity: Salmon River Mountains: along Kennally Creek from the campground to the North Fork, ca 14-15 air mi SE of McCall.  Elev. 5600-5800 ft.
T17N R5E S29 E1/2; also E1/4 S28.  44.7812 N, 115.875 W.  
Moist to wet mixed conifer forest along the creek. Phenology: vegetative only. 

B. E. Nelson, 50876.  7/18/2000. 		RM 
     with Joy Handley
_________________________________________________________________________

335.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Idaho County: Payette National Forest and Vicinity: Salmon River Mountains: Frank Church-River of No Return Wilderness: Moose Jaw Meadow and along Moose Creek below, ca 16 air mi NNE of Big Creek; ca 3 air mi SW of Chamberlain Guard Station.  Elev. 6050 ft.
T23N R10E S8 SE1/4.  45.3488 N, 115.2562 W.  
Spruce-fir forest along the creek. Phenology: vegetative only. 

B. E. Nelson, 51347.  7/23/2000. 		RM 
_________________________________________________________________________

336.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Idaho County: Payette National Forest and Vicinity: Salmon River Canyon: Vinegar Creek boat ramp to Huntz Gulch along Forest Road 103, ca 13 air mi N of Burgdorf; ca 11-14 air mi ENE of Riggins Hot Springs.  Elev. 1900-2100 ft.
T25N R4E S36 South 1/4; also South1/4 S35 and T25N R5E SE1/4 S31.  45.4648 N, 115.9114 W.  
North facing slope of river canyon dominated by Pinus ponderosa and Pseudotsuga menziesii. Phenology: vegetative only. 

Joy Handley, 4022.  5/21/2000. 		RM 
_________________________________________________________________________

337.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Washington County: Payette National Forest and Vicinity: Buckwheat Flats Research Natural Area: along Sage Creek, ca 5 air mi SW of Midvale; ca 12 air mi SW of Cambridge.  Elev. 3000-3400 ft.
T13N R4W S20 E1/4.  44.4468 N, 116.8428 W.  
Riparian area of creek. 

Joy Handley, 4450a.  5/27/2000. 		RM 
_________________________________________________________________________

338.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Adams County: Payette National Forest and Vicinity: Salmon River Mountains: Bear Basin and along Forest Road 452, ca 4 air mi NW of McCall; ca 7 air mi ESE of New Meadows.  Elev. 5300-5400 ft.
T19N R3E S30; also N1/2 S31.  44.9554 N, 116.137 W.  
Roadside, moist, mixed conifer overstory. Phenology: vegetative only. 

Joy Handley, 5556.  6/17/2000. 		RM 
     with Denise L. Fairbanks
_________________________________________________________________________

339.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Adams County: Payette National Forest and Vicinity: Weiser River Valley: crossing of Forest Road 206 and Little Weiser River, just below Mill Creek, ca 15 air mi ESE of Cambridge; ca 16.5 air mi S of Council.  Elev. 3250 ft.
T13N R1W S1 SE1/4.  44.4902 N, 116.4036 W.  
Sandbar and river bank. 

Joy Handley, 6842b.  7/16/2000. 		RM 
     with B. E. Nelson
_________________________________________________________________________

340.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Idaho County: Payette National Forest and Vicinity: Salmon River Mountains: Frank Church-River of No Return Wilderness: Flossie Lake, ca 4 air mi WNW of Chamberlain Guard Station; ca 11 air mi E of Mackay Bar.  Elev. 7100 ft.
T24N R10E S30.  45.3923 N, 115.2767 W.  
Along shore of subalpine lake. Phenology: vegetative only. 

Joy Handley, 7422.  7/24/2000. 		RM 
_________________________________________________________________________

341.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Idaho County: Payette National Forest and Vicinity: Salmon River Mountains: Pony Meadows, ca 5 air mi S of Warren; ca 18 air mi WNW of Big Creek Guard Station.  Elev. 7400 ft.
T21N R6E S2.  45.1874 N, 115.6884 W.  
Roadside wet meadows. Phenology: vegetative only. 

Joy Handley, 7773.  8/4/2000. 		RM 
     with Erin Peters
_________________________________________________________________________

342.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Idaho County: Payette National Forest and Vicinity: Salmon River Mountains: Warren Airstrip, just NW of Warren, ca 20 air mi NW of Big Creek Guard Station; ca 23 air mi NNW of Yellow Pine.  Elev. 5900 ft.
T22N R6E S2 South1/2; also NE1/4 S11.  45.2763 N, 115.6862 W.  
Airstrip with gravel parent material, tailing piles, and ponds. 

Joy Handley, 7893.  8/4/2000. 		RM 
     with Erin Peters
_________________________________________________________________________

343.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Valley County: Payette National Forest and Vicinity: Salmon River Mountains: Fitsum Creek Trail (Trail 087), along the South Fork Salmon River, ca 20 air mi ENE of McCall; ca 17 air mi S of Warren.  Elev. 3600-3800 ft.
T19N R6E S3 W1/2; also NW1/4 S10 and NE1/4 S9.  45.0134 N, 115.7088 W.  
Trailside along west facing river bank in Pinus ponderosa overstory. Phenology: vegetative only. 

Joy Handley, 8112.  8/15/2000. 		RM 
_________________________________________________________________________

344.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Valley County: Payette National Forest and Vicinity: Salmon River Mountains: Warren Wagon Road (Forest Hwy 21) at crossing of Copet Creek, ca 9 air mi N of McCall.  Elev. 5037 ft.
T20N R3E S35.  45.0279 N, 116.0554 W.  
Roadside and woodland. Phenology: vegetative only. 

Ronald L. Hartman, 70226.  8/22/2000. 		RM 
_________________________________________________________________________

345.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Valley County: Payette National Forest and Vicinity: Long Valley: Eastside Drive, immediately S of Ponderosa State Park adjacent to north end of Payette Lake.  Elev. 5000 ft.
T19N R3E S14 NW1/4.  44.9844 N, 116.0554 W.  
Roadside and wooded area with marshy spots. Phenology: vegetative only. 

Ronald L. Hartman, 70327.  8/22/2000. 		RM 
_________________________________________________________________________

346.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Valley County: Payette National Forest and Vicinity: Salmon River Mountains: Lick Creek Road (Forest Road 48) at North Fork Lake Fork, ca 7 air mi E of McCall.  Elev. 5400 ft.
T18N R4E S3.  44.9264 N, 115.9535 W.  
Floodplain and woodland. Phenology: vegetative only. 

Ronald L. Hartman, 70376.  8/23/2000. 		RM 
_________________________________________________________________________

347.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Adams County: Payette National Forest and Vicinity: Lick Creek Riparian Demonstration Area: south bank of tributary of Lick Creek to fence, ca 16 air mi W of New Meadows; ca 20.5 air mi NNW of Council.  Elev. 4400-4700 ft.
T19N R2W S8 SE1/4 of NW1/4; SW1/4 of NE1/4 and .  44.9989 N, 116.6059 W.  
Creekside; overstory of Picea engelmannii, Pinus contorta, P. ponderosa, with Salix and Crataegus douglasii. Phenology: vegetative only. 

Joy Handley, 521.  6/18/1999. 		RM 
_________________________________________________________________________

348.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Adams County: Payette National Forest and Vicinity: East Branch, along Forest Road 101, ca 9.5 air mi NW of New Meadows; ca 19 air mi NW of McCall.  Elev. 4500-4650 ft.
T20N R1W S12 SW1/4 of SW1/4; also NW1/4 of NW1/4 S13.  45.0859 N, 116.402 W.  
Riparian area of creek with some standing water; basalt parent material; Abies lasiocarpa, A. grandis, and Picea engelmannii overstory. Phenology: vegetative only. 

Joy Handley, 767.  6/22/1999. 		RM 
_________________________________________________________________________

349.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Washington County: Payette National Forest and Vicinity: Middle Brownlee Creek, ca 14.5 air mi NW of Cambridge; ca 18.5 air mi NNW of Midvale.  Elev. 3850-4050 ft.
T16N R5W S23 N1/2 of SE1/4; and SE1/4 of NE1/4 S23.  44.7084 N, 116.9072 W.  
Riparian area of creek; rocky basalt soil; dominated by Pinus ponderosa/Pseudotsuga menziesii/Crataegus douglasii. Phenology: spores. 

Joy Handley, 82.  6/8/1999. 		RM 
_________________________________________________________________________

350.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Jackson County: Sierra Madre/Park Ranges: Park Range: ca 6.5 air mi SSE of Mount Ethel.  Elev. 8700-8800 ft.
T7N R82W S20; also S21.  
Streamside. 

Nancy Kastning, 1334.  8/18/1988. 		 
     with Sunny & Joel Kastning
_________________________________________________________________________

351.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Jackson County: Sierra Madre/Park Ranges: Park Range: ca 13.5 air mi NE of Steamboat Springs.  Elev. 8700-8900 ft.
T7N R82W S17; also S20; also S21.  
Streamside alluvium. 

Nancy Kastning, 1434.  5/22/1989. 		 
_________________________________________________________________________

352.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Sierra Madre/Park Ranges: Park Range: ca 12 air mi SW of Kremmling in the vicinity of Radium.  Elev. 7000-7200 ft.
T1S R82W S27; also S28.  
Streamside. 

Nancy Kastning, 1609.  6/13/1989. 		 
_________________________________________________________________________

353.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Routt County: Sierra Madre/Park Ranges: Park Range: ca 17 air mi WNW of Kremmling by Morrison Creek.  Elev. 8200-8400 ft.
T2N R83W S6.  
Streamside. 

Nancy Kastning, 1647.  6/14/1989. 		 
     with David Culp
_________________________________________________________________________

354.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Routt County: Sierra Madre/Park Ranges: Park Range: ca 19 mi NNW of Walden on Battle Ridge.  Elev. 8500-9100 ft.
T11N R81W S5.  
Spring side. 

Nancy Kastning, 1728.  6/14/1989. 		 
_________________________________________________________________________

355.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Jackson County: Sierra Madre/Park Ranges: Park Range: ca 23 air mi NW of Walden by Big Creek Falls.  Elev. 9100-9400 ft.
T11N R82W S19; also S20.  
Wet areas. 

Nancy Kastning, 1769.  6/20/1989. 		 
_________________________________________________________________________

356.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Jackson County: Sierra Madre/Park Ranges: Park Range: ca 23 air mi NW of Walden by Big Creek Falls.  Elev. 9100-9400 ft.
T11N R82W S19; also S20.  
Wet areas. 

Nancy Kastning, 1772.  6/20/1989. 		 
_________________________________________________________________________

357.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Jackson County: Sierra Madre/Park Ranges: Park Range: ca 19 air mi W of Walden.  Elev. 8920-9400 ft.
T9N R82W S16.  
Boggy areas. 

Nancy Kastning, 1797.  6/21/1989. 		 
_________________________________________________________________________

358.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Jackson County: Sierra Madre/Park Ranges: Park Range: ca 26 air mi SW of Walden, Round Lake, Percy Lake Trail.  Elev. 9200-10200 ft.
T6N R83W S24; also T6N R82W S19 and S20.  
Marshy area. 

Nancy Kastning, 2212.  7/11/1989. 		 
     with Mary Ann & Heather Kastning
_________________________________________________________________________

359.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Routt County: Sierra Madre/Park Ranges: Park Range: ca 22 air mi NW of Kremmling by Service Creek.  Elev. 8600-9170 ft.
T3N R83W S3; also S4.  
Streamside. 

Nancy Kastning, 2303.  7/18/1989. 		 
     with Diane Fraser
_________________________________________________________________________

360.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Sierra Madre/Park Ranges: Park Range: ca 9.5 air mi WSW of Kremmling.  Elev. 8400-8600 ft.
T1N R82W S35; also T1S R82W S2 and S3.  
Streamside. 

Nancy Kastning, 2622.  8/11/1989. 		 
_________________________________________________________________________

361.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Routt County: Sierra Madre/Park Ranges: Park Range: ca 15.5 air mi N of Steamboat Springs.  Elev. 8120-8200 ft.
T9N R84W S30.  
Creekside. 

Nancy Kastning, 2752.  8/27/1989. 		 
_________________________________________________________________________

362.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Routt County: Sierra MadreRange: Park Range: head of Crowner Creek, ca 6 air mi ESE of Yampa, ca 24 air mi S of Steamboat Springs.  Elev. 9900 ft.
T2N R84W S22.  40.1275 N, 106.8014 W.  
Among spruce at edge of seep. 

B. E. Nelson, 17497.  8/1/1989. 		 
     with Steven Nelson
_________________________________________________________________________

363.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Routt County: Sierra MadreRange: Park Range: Routt National Forest: Between South Fork Soda and Spring Creeks, ca 4.5 air mi WSW of Buffalo Pass, ca 5 air mi NE of Steamboat Springs.  Elev. 9200 ft.
T7N R84W S25.  40.536 N, 106.7597 W.  
Among spruce along a spring drainage. 

B. E. Nelson, 17762.  8/6/1989. 		 
     with Michelle Nelson
_________________________________________________________________________

364.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Routt County: Sierra MadreRange: Park Range: Routt National Forest: Silver Creek Trailhead on Morrison Creek, ca 8.5 air mi NE of Yampa, ca 18 air mi S of Steamboat Springs.  Elev. 8000-8400 ft.
T3N R84W S23.  40.2159 N, 106.7822 W.  
Along drainage from spring. 

B. E. Nelson, 17832.  8/7/1989. 		 
     with Michelle Nelson
_________________________________________________________________________

365.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Routt County: Sierra MadreRange: Park Range: Routt National Forest: In canyon along Rock Creek, ca 16.5 air mi SE of Yampa, ca 4 air mi NNE of McCoy.  Elev. 7200-7400 ft.
T1S R83W S17.  39.9707 N, 106.7122 W.  
Rocky sand bars and wet creek banks. 

B. E. Nelson, 17876.  8/8/1989. 		 
     with Michelle Nelson
_________________________________________________________________________

366.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Sierra MadreRange: Park Range: along Blacktail Creek ca 0.5 mi above the Colorado River, ca 1 air mi NNE of Radium; ca 10.5 air mi SW of Kremmling.  Elev. 7100 ft.
T1S R82W S15; also S22.  39.9707 N, 106.5579 W.  
Brushy stream bottom with scattered narrowleaf cottonwood, Douglas fir, and blue spruce. 

B. E. Nelson, 18010.  8/8/1989. 		 
     with Michelle Nelson
_________________________________________________________________________

367.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Sierra MadreRange: Park Range: along Farnham Creek just below Gore Creek, ca 3 air mi NW of Gore Pass, ca 12 air mi WNW of Kremmling.  Elev. 9200 ft.
T2N R82W S32.  40.098 N, 106.61 W.  
Meadow along stream. 

B. E. Nelson, 18208.  8/13/1989. 		 
     with Michelle Nelson
_________________________________________________________________________

368.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Jackson County: Sierra MadreRange: Park Range: ca 6.5 air mi SSE of Mount Ethel.  Elev. 8750 ft.
T17N R82W S20; also S21.  
Streamside. 

Nancy Kastning, 1334.  8/18/1988. 		 
     with Sunny and Joel Kastning
_________________________________________________________________________

369.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Jackson County: Sierra MadreRange: Park Range: ca 13.5 air mi NE of Steamboat Springs.  Elev. 8700-8900 ft.
T7N R82W S17; also S20; also S21.  40.5756 N, 106.6256 W.  
Streamside alluvium. 

Nancy Kastning, 1434.  5/22/1989. 		 
_________________________________________________________________________

370.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Sierra MadreRange: Park Range: ca 12 air mi SW of Kremmling in the vicinity of Radium.  Elev. 7000-7200 ft.
T1S R82W S27; also S28.  39.9413 N, 106.5579 W.  
Streamside. 

Nancy Kastning, 1609.  6/13/1989. 		 
_________________________________________________________________________

371.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Routt County: Sierra MadreRange: Park Range: ca 17 air mi WNW of Kremmling by Morrison Creek.  Elev. 8200-8400 ft.
T2N R83W S6.  40.1717 N, 106.7439 W.  
Streamside. 

Nancy Kastning, 1647.  6/14/1989. 		 
_________________________________________________________________________

372.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Routt County: Sierra MadreRange: Park Range: ca 19 mi NNW of Walden on Battle Ridge.  Elev. 8500-9100 ft.
T11N R81W S5.  40.952 N, 106.5146 W.  
Spring side. 

Nancy Kastning, 1728.  6/14/1989. 		 
_________________________________________________________________________

373.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Jackson County: Sierra MadreRange: Park Range: ca 23 air mi NW of Walden by Big Creek Falls.  Elev. 9100-9400 ft.
T11N R82W S19; also S20.  40.9084 N, 106.6479 W.  
Wet areas. 

Nancy Kastning, 1769.  6/20/1989. 		 
     with Heather & Joel Kastning
_________________________________________________________________________

374.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Jackson County: Sierra MadreRange: Park Range: ca 23 air mi NW of Walden by Big Creek Falls.  Elev. 9100-9400 ft.
T11N R82W S19; also S20.  40.9084 N, 106.6479 W.  
Wet areas. 

Nancy Kastning, 1772.  6/20/1989. 		 
     with Heather & Joel Kastning
_________________________________________________________________________

375.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Jackson County: Sierra MadreRange: Park Range: ca 19 air mi W of Walden.  Elev. 8920-9400 ft.
T9N R82W S16.  40.7487 N, 106.6098 W.  
Boggy areas. 

Nancy Kastning, 1797.  6/21/1989. 		 
_________________________________________________________________________

376.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Ferris Mountains: south side below Youngs Pass, ca 31 air mi N of Rawlins; ca 11 air mi SE of Three Forks Junction.  Elev. 7900 ft.
T26N R88W S1.  42.253 N, 107.2991 W.  
Open meadow in woods along creek. Phenology: vegetative only. 

Amy J. Roderick, 1736.  7/5/1997. 		RM 665634	Barcode: RM0125565
_________________________________________________________________________

377.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Jackson County: Sierra MadreRange: Park Range: ca 26 air mi SW of Walden, Round Lake-Percy Lake Trail.  Elev. 9200-10200 ft.
T6N R83W S24; also T6N R82W S19; also S20.  40.4742 N, 106.6635 W.  
Marshy area. 

Nancy Kastning, 2212.  7/11/1989. 		 
_________________________________________________________________________

378.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Routt County: Sierra MadreRange: Park Range: ca 22 air mi NW of Kremmling by Service Creek.  Elev. 8600-9170 ft.
T3N R83W S3; also S4.  40.2601 N, 106.6865 W.  
Streamside. 

Nancy Kastning, 2303.  7/18/1989. 		 
     with Diane Fraser
_________________________________________________________________________

379.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Sierra MadreRange: Park Range: ca 9.5 air mi WSW of Kremmling.  Elev. 8400-8600 ft.
T1N R82W S35; also T1S R82W S2 and S3.  40.0096 N, 106.5526 W.  
Streamside. 

Nancy Kastning, 2622.  8/11/1989. 		 
     with Sunny and Joel Kastning
_________________________________________________________________________

380.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Routt County: Sierra MadreRange: Park Range: ca 15.5 air mi N of Steamboat Springs.  Elev. 8120-8200 ft.
T9N R84W S30.  40.7084 N, 106.8543 W.  
Creekside. 

Nancy Kastning, 2752.  8/27/1989. 		 
_________________________________________________________________________

381.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Routt County: Sierra MadreRange: Park Range: Mad Creek Drainage, ca 7 air mi NNW of Steamboat Springs.  Elev. 6900-8300 ft.
T7N R85W S14.  40.5647 N, 106.8921 W.  
Forest and clearings along creek. 

Neil Snow, 4723.  8/3/1989. 		RM 
_________________________________________________________________________

382.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Routt County: Sierra MadreRange: Park Range: along Forest Road 129 at junction of road leading around northwest part of Steamboat Lake.  Elev. 8000 ft.
T10N R85W S19.  40.8089 N, 106.9678 W.  
Meadows surrounding small pond. 

Neil Snow, 5084.  8/4/1989. 		RM 
_________________________________________________________________________

383.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Jackson County: Sierra MadreRange: Park Range: near junction of Forest Roads 600 and 689, ca 0.5 mi N of Big Creek Lake, ca 22 air mi NW of Walden; along South Fork Big Creek.  Elev. 8900 ft.
T11N R82W S9 NE1/4.  40.9374 N, 106.6098 W.  
Forest near creek. 

Neil Snow, 5395.  8/6/1989. 		RM 
_________________________________________________________________________

384.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Jackson County: Sierra MadreRange: Park Range: vicinity of Buffalo Ridge-Seven Lakes Trailhead, ca 2.0 mi S of Wyoming; ca 34 air mi NNE of Steamboat Springs.  Elev. 9600 ft.
T12N R83W S35 NW1/4.  40.9665 N, 106.686 W.  
Streamside. 

Neil Snow, 5474.  8/6/1989. 		RM 
_________________________________________________________________________

385.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Sierra Madre/Park Range: Sierra Madre: along East Fork Encampment River, ca 3 air mi WNW of Blackhall Mountain summit, ca 11 air mi SSE of Encampment.  Elev. 9500 ft.
T13N R83W S32.  41.0519 N, 106.7475 W.  
Around edges of bog at edge of mixed conifer forest. Phenology: vegetative only. 

B. E. Nelson, 15996.  6/28/1988. 		RM 573097	Barcode: RM0125970
_________________________________________________________________________

386.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Sierra Madre/Park Range: Sierra Madre: along tributary of North Fork Big Creek at southeast base of Bear Mountain, ca 13 air mi SE of Encampment.  Elev. 8900 ft.
T13N R82W S29.  41.0664 N, 106.6342 W.  
Wet stream bank. Phenology: spores. 

B. E. Nelson, 16088.  6/30/1988. 		RM 573096	Barcode: RM0125969
_________________________________________________________________________

387.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Sierra Madre/Park Ranges: Sierra Madre: ca 14 air mi SW of Encampment, ca 29 air mi ENE of Dixon along Solomon Creek.  Elev. 9100 ft.
T13N R85W S32 NW1/4.  41.0536 N, 106.9744 W; uncertainty 1 mi..  
Along a stream and wet areas. 

B. E. Nelson, 4048.  7/18/1979. 		RM 
     with William Blunt
_________________________________________________________________________

388.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Sierra Madre/Park Range: Sierra Madre: ca 2.5 air mi ESE of Divide Peak.  Elev. 8400 ft.
T15N R87W S12.  41.287 N, 107.1263 W; uncertainty 1 mi..  
Wet meadow by spring. Phenology: vegetative only. 

Nancy Kastning, 350.  6/29/1988. 		RM 574293	Barcode: RM0125416
     with Lee Huston and Sunny Kastning
_________________________________________________________________________

389.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Sierra Madre/Park Range: Sierra Madre: ca 3 mi SE of Quartzite Peak.  Elev. 8300-8400 ft.
T13N R86W S7; also S18.  41.113 N, 107.1073 W; uncertainty 2 mi..  
Riverine area in aspen forest. Phenology: vegetative only. 

Nancy Kastning, 612.  7/13/1988. 		RM 573066	Barcode: RM0125415
     with Lee Huston
_________________________________________________________________________

390.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Sierra Madre/Park Range: Sierra Madre: ca 1 air mi S of Red Mountain.  Elev. 9800 ft.
T13N R85W S5; also S6 and T13N R86W S1.  41.1275 N, 106.9742 W; uncertainty 3 mi..  
Riverine. Also S6 and T13N R86W S1. Phenology: vegetative only. 

Nancy Kastning, 757.  7/26/1988. 		RM 573067	Barcode: RM0125413
     with Heather Kastning
_________________________________________________________________________

391.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Sierra Madre/Park Range: Sierra Madre: ca 4 mi SSW of Blackhall Mountain, along Encampment River.  Elev. 8300 ft.
T12N R84W S10; also S15.  41.0243 N, 106.8249 W; uncertainty 2 mi..  
Riverine. Phenology: vegetative only. 

Nancy Kastning, 807.  7/28/1988. 		RM 573068	Barcode: RM0125414
     with Lee Huston and Heather Kastning
_________________________________________________________________________

392.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Sierra Madre/Park Range: Sierra Madre: ca 9 mi SE of Red Mountain.  Elev. 8800-9400 ft.
T13N R84W S22; also S23.  41.0817 N, 106.8249 W; uncertainty 2 mi..  
Riverine. Phenology: vegetative only. 

Nancy Kastning, 968.  7/28/1988. 		RM 573069	Barcode: RM0125412
     with Lee Juston and Heather Kastning
_________________________________________________________________________

393.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Jackson County: Sierra MadreRange: Park Range: near junction of Forest Roads 600 and 689, ca 0.5 mi N of Big Creek Lake, ca 22 air mi NW of Walden; along South Fork Big Creek.  Elev. 8900 ft.
T11N R82W S9 NE1/4.  40.9373 N, 106.6122 W.  
Forest near creek. 

Neil Snow, 5395.  8/6/1989. 		RM 
_________________________________________________________________________

394.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Jackson County: Sierra MadreRange: Park Range: vicinity of Buffalo Lake-Seven Lakes trailhead, ca 2.0 mi S of Wyoming; ca 34 air mi NNE of Steamboat Springs.  Elev. 9600 ft.
T12N R83W S35 NW1/4.  40.9664 N, 106.6884 W.  
Streamside. 

Neil Snow, 5474.  8/6/1989. 		RM 
_________________________________________________________________________

395.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Ferris Mountains: southeast end of range, ca 17.4 air mi N of Independence Rock.  Elev. 7200 ft.
T26N R86W S7.  42.2385 N, 107.1628 W.  
Sagebrush-grassland; red sandy soil; Artemisia nova common. Phenology: vegetative only. 

Amy J. Roderick, 7855.  8/6/1998. 		RM 666251	Barcode: RM0125557
     with Kevin J. Taylor
_________________________________________________________________________

396.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Salt Creek, just S of Bridger-Teton National Forest, ca 25 air mi N of Cokeville.  Elev. 6500-6800 ft.
T28N R119W S4 NE1/4.  42.4414 N, 110.9775 W; uncertainty 0.5 mi..  
Pondside willows and sagebrush, adjacent sagebrush, and open hillside. Phenology: vegetative only. 

Thomas Cramer, 3991.  8/15/1994. 		RM 646273	Barcode: RM0125467
_________________________________________________________________________

397.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Twin Creek, ca 3.5 air mi W of Nugget.  Elev. 6400 ft.
T21N R119W S11 NE1/4; also SE1/4 S2.  41 48' 48" N, 110 53' 44" W.  
Creek edges in ten foot deep creek cut through sagebrush surroundings. Phenology: vegetative only. 

Thomas Cramer, 4565.  8/23/1994. 		 
     with Ronald L. Hartman
_________________________________________________________________________

398.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Trail Creek, ca 14.5 air mi N of Kemmerer.  Elev. 7700-7800 ft.
T23N R116W S6 E1/4.  42.0008 N, 110.6282 W; uncertainty 1 mi..  
Creekside meadows, willows, and mudflats. Phenology: vegetative only. 

Thomas Cramer, 9840.  7/29/1995. 		RM 646373	Barcode: RM0125466
     with Jane T. Kellett
_________________________________________________________________________

399.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: along Curecanti Creek, ca 6.5 air mi NW of Sapinero.  Elev. 8500 ft.
T50N R5W S35.  38.5506 N, 107.3753 W.  
Along the creek. Phenology: flowering. 

Kevin J. Taylor, 1471.  6/14/1997. 		 
_________________________________________________________________________

400.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: ca 6 air mi NNE of Parlin.  Elev. 9600-9800 ft.
T50N R2E S14 SE1/4; also SW1/4 S13.  38.5944 N, 106.7205 W.  
Moist aspen and Douglas fir forest, and along creek. Phenology: vegetative only. 

Kevin J. Taylor, 1610.  6/17/1997. 		 
_________________________________________________________________________

401.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: Fossil Ridge Wilderness: South Lottis Creek, ca 4.5 air mi SSW of Taylor Reservoir.  Elev. 8680-9200 ft.
T15S R83W S12 W1/2.  38.7615 N, 106.6189 W.  
Lodgepole pine forest along creek. Phenology: vegetative only. 

Kevin J. Taylor, 2006.  6/24/1997. 		 
_________________________________________________________________________

402.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: Fossil Ridge Wilderness: ca 7 air mi SSW of Taylor Reservoir.  Elev. 9600-10100 ft.
T15S R83W S22 E1/2; also NE1/4 S21.  38.7327 N, 106.6559 W.  
Lodgepole pine, aspen, shrub juniper forest. Phenology: vegetative only. 

Kevin J. Taylor, 2103.  6/24/1997. 		 
_________________________________________________________________________

403.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: ca 4 air mi WNW of Kebler Pass.  Elev. 8950-9100 ft.
T13S R87W S31 South1/2.  38.8767 N, 107.1567 W.  
Aspen woods, serviceberry, elderberry, snowberry. Phenology: vegetative only. 

Kevin J. Taylor, 2173.  6/27/1997. 		 
_________________________________________________________________________

404.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: southeast side of Snodgrass Mountain, ca 4 air mi N of Crested Butte.  Elev. 9600-9900 ft.
T13S R86W S14 N1/2.  38.92 N, 106.9712 W.  
Forest seep; aspen, lodgepole pine, subalpine fir, Engelmann spruce forest. Phenology: flowering. 

Kevin J. Taylor, 2352.  6/30/1997. 		 
_________________________________________________________________________

405.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: southeast side of Snodgrass Mountain, ca 3.5 air mi N of Crested Butte.  Elev. 9700-10400 ft.
T13S R86W S14 W1/2.  38.92 N, 106.9712 W.  
Seep; wetlands; willow, elderberry, alders. Phenology: vegetative only. 

Kevin J. Taylor, 2486.  7/5/1997. 		 
_________________________________________________________________________

406.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: southeast side of Snodgrass Mountain, ca 3.5 air mi N of Crested Butte.  Elev. 9700-10400 ft.
T13S R86W S14 W1/2.  38.92 N, 106.9712 W.  
Seep; wetlands; willow, elderberry, alders. Phenology: vegetative only. 

Kevin J. Taylor, 2487.  7/5/1997. 		 712825
_________________________________________________________________________

407.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: ca 4 air mi W of Kebler Pass.  Elev. 9200-9500 ft.
T14S R88W S12 N1/2.  38.8516 N, 107.1728 W.  
Aspen forest with occasional Engelmann spruce and subalpine fir; elderberry, snowberry, gooseberry. Phenology: vegetative only. 

Kevin J. Taylor, 2556.  7/6/1997. 		 
_________________________________________________________________________

408.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: West Elk Wilderness: ca 4 air mi SSE of Beckwith Pass.  Elev. 9500-9900 ft.
T15S R87W S6 E1/2.  38.7759 N, 107.1567 W.  
Spruce/fir forest and open meadows. Phenology: flowering. 

Kevin J. Taylor, 2693.  7/6/1997. 		 
_________________________________________________________________________

409.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: West Elk Wilderness: south prong of Cliff Creek, ca 5.5 air mi SSW of Beckwith Pass.  Elev. 9200-9300 ft.
T15S R88W S4.  38.7783 N, 107.2286 W.  
Engelmann spruce/subalpine fir forest and open meadows along creek. Phenology: vegetative only. 

Kevin J. Taylor, 2802.  7/7/1997. 		 
_________________________________________________________________________

410.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: Maroon Bells/Snowmass Wilderness: ca 4 air mi NE of Gothic.  Elev. 10900-11200 ft.
T12S R85W S19 NW1/4.  38.992 N, 106.9341 W.  
Engelmann spruce/subalpine fir forest and wet basin; Salix, juniper. Phenology: flowering. 

Kevin J. Taylor, 2951.  7/11/1997. 		 
_________________________________________________________________________

411.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: East Brush Creek, ca 8.5 air mi ENE of Crested Butte.  Elev. 9500-9600 ft.
T13S R85W S24 N1/2.  38.9055 N, 106.8414 W.  
Aspen forest along creek. Phenology: vegetative only. 

Kevin J. Taylor, 3315.  7/14/1997. 		 
_________________________________________________________________________

412.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: West Brush Creek, ca 7.5 air mi NE of Crested Butte.  Elev. 10000-10200 ft.
T13S R85W S10 W1/2.  38.9344 N, 106.8785 W.  
Open meadow and aspen forest along creek. Phenology: vegetative only. 

Kevin J. Taylor, 3502.  7/15/1997. 		 
_________________________________________________________________________

413.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: south-facing slope of Mount Axtell, ca 3 air mi SSW of Crested Butte.  Elev. 9600-10100 ft.
T14S R86W S21 W1/2.  38.8191 N, 107.0083 W.  
Lodgepole pine and aspen forest. Phenology: vegetative only. 

Kevin J. Taylor, 3626.  7/19/1997. 		 
_________________________________________________________________________

414.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: ca 12 air mi ENE of Crested Butte.  Elev. 10600-10800 ft.
T13S R84W S22 NW1/4.  38.9055 N, 106.7672 W.  
Open willow bog and wet Engelmann spruce and subalpine fir forest. Phenology: vegetative only. 

Kevin J. Taylor, 4183.  8/2/1997. 		 
_________________________________________________________________________

415.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: on southeast side of Snodgrass Mountain, ca 3.5 air mi N of Crested Butte.  Elev. 9800-10400 ft.
T13S R86W S14 SW1/4.  38.92 N, 106.9712 W.  
Wetlands (ponds, creeks, and seeps). Phenology: vegetative only. 

Kevin J. Taylor, 4469.  8/9/1997. 		 
_________________________________________________________________________

416.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: along Mosquito Creek, ca 4 air mi NE of Pitkin.  Elev. 9800-10100 ft.
T51N R4E S25 SE1/4.  38.6501 N, 106.4698 W.  
Lodgepole pine forest; common juniper, elderberry, and aspen. Phenology: vegetative only. 

Kevin J. Taylor, 4567.  8/15/1997. 		 
_________________________________________________________________________

417.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Delta County: Northern Gunnison Basin: Elephant Hill, west portion, ca 2.5 air mi ESE of Paonia.  Elev. 5820-6720 ft.
T14S R91W S10 NW1/4.  38.8516 N, 107.5453 W.  
Squaw-apple, serviceberry, mountain mahogany, and juniper zone below and sparsely vegetated shale slopes above with some pinyon-juniper. Phenology: vegetative only. 

Ronald L. Hartman, 56246.  5/16/1997. 		 
     with Kevin J. Taylor
_________________________________________________________________________

418.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: Beaver Reservoir to 1 mi NW.  Elev. 7800-8200 ft.
T14S R90W S21 N1/2; also S1/2 S16.  38.8223 N, 107.4521 W.  
Aspen slopes with Gambel oak-serviceberry above and spruce, subalpine fir, and cottonwood lined stream bottoms below. Phenology: flowering. 

Ronald L. Hartman, 56456.  5/19/1997. 		 
     with Kevin J. Taylor
_________________________________________________________________________

419.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: ca 7.5 air mi NNE of Ohio.  Elev. 10350-10900 ft.
T51N R4E S19 South1/2.  38.6646 N, 106.5623 W.  
Engelmann spruce/subalpine fir/lodgepole pine forest. Phenology: vegetative only. 

Kevin J. Taylor, 10385.  8/10/1998. 		 776933
     with Chris Floyd and Josh Crayton
_________________________________________________________________________

420.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Delta County: Northern Gunnison Basin: ca 17 air mi NW of Paonia Reservoir.  Elev. 8600 ft.
T11S R91W S4 E1/2.  39.1304 N, 107.5639 W.  
Aspen forest. Phenology: vegetative only. 

Kevin J. Taylor, 10558.  8/16/1998. 		 776893
_________________________________________________________________________

421.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: along Anthracite Creek, ca 3.5 air mi E of Paonia Reservoir.  Elev. 6900 ft.
T13S R88W S6 NE1/4.  38.9543 N, 107.2659 W.  
Along creek; willow and cottonwood. Phenology: vegetative only. 

Kevin J. Taylor, 10627.  8/17/1998. 		 776892
_________________________________________________________________________

422.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: West Elk Wilderness: along West Elk Creek, ca 12.5 air mi N of Blue Mesa Reservoir.  Elev. 9800 ft.
T51N R3W S19 SE1/4.  38.6674 N, 107.2298 W.  
Along creek; Salix. Phenology: vegetative only. 

Kevin J. Taylor, 11350.  8/23/1998. 		 776891
     with Christine Tonielli and Josh Crayton
_________________________________________________________________________

423.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Delta County: Northern Gunnison Basin: near West Fork of Terror Creek, ca 7 air mi NNW of Paonia.  Elev. 7700 ft.
T12S R92W S36 SW1/4.  38.969 N, 107.6198 W.  
Aspen and oak forest and forest openings, and Engelmann spruce/subalpine fir forest near creek. Phenology: vegetative only. 

Kevin J. Taylor, 6130.  6/8/1998. 		 776927
_________________________________________________________________________

424.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: ca 4 air mi E of Paonia Reservoir.  Elev. 6600 ft.
T13S R88W S6 SE1/4.  38.9543 N, 107.2659 W.  
Aspen forest along creek; Picea pungens, Populus angustifolia, Prunus, Quercus, Amelanchier, Cornus, and Sorbus. Phenology: vegetative only. 

Kevin J. Taylor, 6211.  6/8/1998. 		 776926
_________________________________________________________________________

425.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Delta County: Northern Gunnison Basin: ca 8.5 air mi N of Paonia.  Elev. 8850 ft.
T12S R91W S29 NE1/4.  38.9837 N, 107.5825 W.  
Aspen forest along creek; Alnus, Symphoricarpos, Amelanchier, and Prunus. Phenology: vegetative only. 

Kevin J. Taylor, 6555.  6/15/1998. 		 776925
_________________________________________________________________________

426.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Delta County: Northern Gunnison Basin: ca 12 air mi N of Paonia.  Elev. 9100 ft.
T11S R91W S31 South1/2.  39.057 N, 107.6011 W.  
Aspen forest; Symphoricarpos. Phenology: vegetative only. 

Kevin J. Taylor, 6670.  6/15/1998. 		 776905
_________________________________________________________________________

427.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: ca 3.5 air mi SE of Paonia Reservoir.  Elev. 7000-7350 ft.
T13S R89W S14 SE1/4.  38.925 N, 107.3031 W.  
South-facing drainage; Acer, Alnus, Colorado blue spruce, and Cornus. Phenology: vegetative only. 

Kevin J. Taylor, 6768.  6/16/1998. 		 776904
_________________________________________________________________________

428.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: along Trout Creek, ca 7 1/4 air mi NW of Kebler Pass.  Elev. 8350 ft.
T13S R88W S27 NW1/4.  38.8956 N, 107.21 W.  
Open subalpine meadow and patches of Engelmann spruce/subalpine fir along creek. Phenology: vegetative only. 

Kevin J. Taylor, 6845.  6/16/1998. 		 776902
_________________________________________________________________________

429.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: ca 8 air mi NW of Kebler Pass.  Elev. 7550 ft.
T13S R88W S21 NE1/4.  38.9103 N, 107.2286 W.  
ASpen forest around man-made pond; Symphoricarpos and Amelanchier. Phenology: flowering. 

Kevin J. Taylor, 6881.  6/16/1998. 		 776901
_________________________________________________________________________

430.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: Willow Creek, ca 13 air mi WNW of Gunnison.  Elev. 9350 ft.
T50N R3W S23 E1/2.  38.5798 N, 107.157 W.  
Along creek. Phenology: flowering. 

Kevin J. Taylor, 7098.  6/20/1998. 		 776903
_________________________________________________________________________

431.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: near Spring Creek, ca 7.5 air mi WSW of Taylor Reservoir.  Elev. 9500-9800 ft.
T14S R84W S28 NE1/4.  38.8047 N, 106.7858 W.  
Engelmann spruce/subalpine fir forest near creek. Phenology: vegetative only. 

Kevin J. Taylor, 7125.  6/20/1998. 		 776900
_________________________________________________________________________

432.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: ca 1.5 air mi S of Paonia Reservoir.  Elev. 6350-7050 ft.
T13S R89W S16 E1/2.  38.925 N, 107.3404 W.  
Steep, east-facing slope; ponderosa pine/Douglas-fir forest; Colorado blue spruce and Rosa. Phenology: vegetative only. 

Kevin J. Taylor, 7183.  6/26/1998. 		 776899
_________________________________________________________________________

433.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: West Elk Wilderness: along North Smith Fork Creek, ca 12 air mi ENE of Crawford.  Elev. 8850 ft.
T15S R90W S12 NW1/4.  38.7636 N, 107.3963 W.  
Along creek; Engelmann spruce, subalpine fir, Prunus, Sambucus, Sorbus, Salix, and Symphoricarpos. Phenology: vegetative only. 

Kevin J. Taylor, 7461.  6/28/1998. 		 776898
_________________________________________________________________________

434.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: Fossil Ridge Wilderness: ca 10.5 air mi NE of Almont.  Elev. 9350-9450 ft.
T15S R83W S16 South1/2.  38.7471 N, 106.6745 W.  
Lodgepole pine/Douglas-fir forest; aspen, Shepherdia, and Juniperus communis. Phenology: vegetative only. 

Kevin J. Taylor, 7541.  7/1/1998. 		 776897
_________________________________________________________________________

435.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: Fossil Ridge Wilderness: Crystal Creek, ca 10 air mi ENE of Almont.  Elev. 9800-10000 ft.
T15S R83W S33 E1/2.  38.7039 N, 106.6745 W.  
Engelmann spruce/subalpine fir forest along creek; lodgepole pine, Ribes, and Vaccinium. Phenology: vegetative only. 

Kevin J. Taylor, 7674.  7/2/1998. 		 776896
_________________________________________________________________________

436.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: Fossil Ridge Wilderness: ca 10.5 air mi ENE of Almont.  Elev. 10400-10600 ft.
T51N R3E S16 NW1/4.  38.682 N, 106.6477 W; uncertainty 0.5 mi..  
Engelmann spruce/subalpine fir forest and open meadow along creek; lodgepole pine, Pentaphylloides, Salix, Juniperus communis, and Vaccinium. Phenology: vegetative only. 

Kevin J. Taylor, 7875.  7/3/1998. 		 776938
_________________________________________________________________________

437.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: along Smith Fork Creek, ca 6.5 air mi ENE of Crawford.  Elev. 7350 ft.
T15S R90W S30 NE1/4.  38.7196 N, 107.4894 W.  
Along creek. Phenology: vegetative only. 

Kevin J. Taylor, 8519.  7/15/1998. 		 776937
_________________________________________________________________________

438.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: along Middle Quartz Creek, ca 2 air mi E of Pitkin.  Elev. 9850 ft.
T50N R4E S11 SE1/4.  38.6068 N, 106.4883 W.  
Lodgepole pine/Colorado blue spruce forest along creek; Shepherdia, Lonicera, and Pentaphylloides. Phenology: vegetative only. 

Kevin J. Taylor, 9007.  7/24/1998. 		 776936
_________________________________________________________________________

439.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: ca 3 air mi S of Pitkin.  Elev. 9500-9700 ft.
T50N R4E S27 SW1/4.  38.5635 N, 106.5068 W.  
Open meadow along drainage; sagebrush, Salix, and Pentaphylloides. Phenology: vegetative only. 

Kevin J. Taylor, 9148.  7/24/1998. 		 776935
_________________________________________________________________________

440.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: ca 4.5 air mi ESE of Parlin.  Elev. 8100 ft.
T49N R3E S21 SW1/4.  38.4923 N, 106.6477 W.  
Wet drainage (no surface water); Salix and Pentaphylloides. Phenology: vegetative only. 

Kevin J. Taylor, 9423.  7/25/1998. 		 776934
_________________________________________________________________________

441.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Freezeout Mountains: west end of range S of Red Draw, ca 14 air mi NW of Medicine Bow townsite.  Elev. 6860 ft.
T24N R80W S12.  42.0676 N, 106.3527 W.  
Along creek in draw. Phenology: vegetative only. 

Amy J. Roderick, 1910.  7/7/1997. 		RM 665633	Barcode: RM0125566
_________________________________________________________________________

442.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Upper Wind River Watershed: Middle Fork Long Creek: ca 14.5 air mi NW of Dubois; E of the road, and W of the creek, before the road crosses the creek.  Elev. 8145 ft.
T43N R109W S24.  
Wet meadow. Plot 94038   NE, SW, NW Phenology: vegetative only. 

C. Lynn Kinter, 1777.  7/2/1996. 		 728116	Barcode: RM0125912
     with Will Conley
_________________________________________________________________________

443.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Upper Wind River Watershed: Barbours Point: ca 27 air mi NW of Dubois; W of the point, and S of main road.  Elev. 9290 ft.
T44N R110W S35.  
Grassland. Plot 94052   SE, NE, NE Phenology: vegetative only. 

C. Lynn Kinter, 2618.  7/6/1997. 		 728117	Barcode: RM0125913
     with John Tamsen
_________________________________________________________________________

444.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Upper Wind River Watershed: Barbours Point, ca 27 air mi NW of Dubois, W of the point, and S of main road.  Elev. 9290 ft.
T44N R110W S35.  
Grassland. Plot 94052   SE, NE, NE Phenology: vegetative only. 

C. Lynn Kinter, 887.  8/1/1994. 		 728115	Barcode: RM0125911
     with Susanne Neumiller
_________________________________________________________________________

445.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Larimer County: Riparian Plants of the Cache la Poudre River: where Big South Trail passes Peterson Lake, 1/4 mi NE of Forest Service Road 159.  Elev. 9320 ft.
T7N R75W S22.  
Riverbank with Sailix monticola, S. drummondiana. 

Gwen Kittel, 937.  8/29/1990. 		RM 
_________________________________________________________________________

446.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Larimer County: Riparian Plants of the Cache la Poudre River: at Indian Meadows, ca 24 mi W of Teds Place on Colo Hwy 14.  Elev. 6930 ft.
T9N R73W S36.  
North riverbank. 

Gwen Kittel, 336.  8/2/1989. 		RM 
_________________________________________________________________________

447.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Larimer County: Riparian Plants of the Cache la Poudre River: Home Moraine, ca 32 mi W of Teds Place on Colo Hwy 14.  Elev. 7640 ft.
T9N R74W S33.  
Meanders behind moraine, low wet floodplain with willow-lined old overflow channels. 

Gwen Kittel, 360.  8/2/1989. 		RM 
_________________________________________________________________________

448.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Larimer County: Riparian Plants of the Cache la Poudre River: at confluence with stream draining Peterson Lake.  Elev. 9200 ft.
T7N R75W S22.  
Wet meadow opening in lodgepole/spruce forest, floodplain with Alnus incana, willows. 

Gwen Kittel, 535.  7/14/1990. 		RM 
_________________________________________________________________________

449.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Larimer County: Riparian Plants of the Cache la Poudre River: Joe Wright Creek just upstream of its confluence with the river, at bridge crossing the Poudre at Big South Trailhead on Colo Hwy 14.  Elev. 8400 ft.
T8N R75W S28.  
Low moist area on floodplain, with Pinus ponderosa,  Abies lasiocarpa, P. contorta. 

Gwen Kittel, 890.  8/30/1990. 		RM 
_________________________________________________________________________

450.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Larimer County: Riparian Plants of the Cache la Poudre River: where Big South Trail passes Peterson Lake, 1/4 mi NE of Forest Service Road 159.  Elev. 9320 ft.
T7N R75W S22.  
Riverbank with Sailix monticola, S. drummondiana. 

Gwen Kittel, 947.  8/29/1990. 		RM 
_________________________________________________________________________

451.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Larimer County: Riparian Plants of the Cache la Poudre River: Kelly Flats Campground, ca 20 mi W of Teds Place on Colo Hwy 14. 200 yd downstream of campground access bridge.  Elev. 6560 ft.
T8N R72W S8.  
Northeast facing riverbank with Pinus ponderosa. 

Gwen Kittel, 962.  9/10/1990. 		RM 
_________________________________________________________________________

452.  Equisetum arvense L. 				Equisetaceae

U.S.A., Arizona, Gila County: Tonto National Forest: Peterson Ranch, Parker[Workman] Creek.  Elev. 6950 ft.
T6N R14E S33.  
5 degree west slope; deep, moist loam; pine- fir forest; with Viola, Aquilegia and Carex; common in cultivated field at water's edge. Phenology: spores. 

Elbert L. Little Jr., 4302.  6/20/1937. 		USFS 400781
_________________________________________________________________________

453.  Equisetum arvense L. 				Equisetaceae

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 22 air mi ENE of Hermosa and 1 mi W of Swinehart Hill on Rapid Creek.  Elev. 2600 ft.
T1S R11E S35 N1/2.  43 55.25' N, 102 45.4' W; GPS Reading.  
On banks of creek. Phenology: vegetative only. 

Grace M. Kostel, 4665.  10/15/2003. 		RM 
_________________________________________________________________________

454.  Equisetum arvense L. 				Equisetaceae

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 36-37 air mi NW of Crawford and 8.5 - 9 mi W of Edgemont Road and 0.5 mi NW of Forest Road 932 on south banks of Indian Creek.  Elev. 3900 ft.
T35N R57W S28.  42.984 N, 104.0458 W; GPS Reading.  
In sand on south banks of creek. Phenology: vegetative only. 

Grace M. Kostel, 821.  5/29/2004. 		RM 
_________________________________________________________________________

455.  Equisetum arvense L. 				Equisetaceae

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 24 air mi NW of Crawford and 0.5 mi NW of Hat Creek Road on Hat Creek.  Elev. 3600 ft.
T34N R54W S6 South1/2.  42.943 N, 103.7185 W; GPS Reading.  
Dry creek bottom of heavy clay soils. Phenology: vegetative only. 

Grace M. Kostel, 968.  5/30/2004. 		RM 
_________________________________________________________________________

456.  Equisetum arvense L. 				Equisetaceae

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 12 air mi NW of Crawford in Little Cottonwood Creek.  Elev. 3875 ft.
T32N R53W S14 NE1/4.  42 45.237' N, 103 30.406' W; GPS Reading.  
Perennial stream, soils are sand and loamy clay. Phenology: vegetative only. 

Grace M. Kostel, 9495.  8/6/2005. 		RM 
_________________________________________________________________________

457.  Equisetum arvense L. 				Equisetaceae

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 12 air mi NW of Crawford in Little Cottonwood Creek.  Elev. 3875 ft.
T32N R53W S14 NE1/4.  42 45.237' N, 103 30.406' W; GPS Reading.  
Perennial stream, soils are sand and loamy clay. Phenology: vegetative only. 

Grace M. Kostel, 9527.  8/6/2005. 		RM 
_________________________________________________________________________

458.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: Sangre de Cristo Range: Rancho del Rio Grande Grant: along Rio Chiquito on Forest Road 437, ca 1.5 air mi W of Tombe; ca 4 air mi ESE of Ranchos de Taos.  Elev. 7400-7500 ft.
T24N R13E S10 N1/2.  36.3297 N, 105.5399 W; GPS Reading.  
Canyon bottom. Phenology: vegetative only. 

B. E. Nelson, 65661.  7/27/2005. 		RM 946799	Barcode: RM0143552
_________________________________________________________________________

459.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: Sangre de Cristo Range: Rancho del Rio Grande Grant: along Rio Chiquito on Forest Road 437, ca 1 air mi S of Pinoreal Peak, ca 6.5 air mi SE of Ranchos de Taos.  Elev. 8000-8400 ft.
T24N R13E S24 NE1/4.  36.3046 N, 105.5063 W; GPS Reading.  
Old beaver ponds and along the river. Phenology: vegetative only. 

B. E. Nelson, 65732.  7/28/2005. 		RM 946798	Barcode: RM0143551
_________________________________________________________________________

460.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: between Middle and Upper Canjion lakes, ca 8-8.5 air mi NE of Canjilon; ca 16 air mi SE of Tierra Amarilla.  Elev. 9980-10020 ft.
T27N R6E S20 W1/4.  36.558 N, 106.3296 W; GPS Reading.  
Along lakeshore, beaver ponds, marshes, seeps, and adjacent areas. Phenology: vegetative only. 

B. E. Nelson, 66188.  8/3/2005. 		RM 946797	Barcode: RM0143550
_________________________________________________________________________

461.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: Sangre de Cristo Range: Santa Barbara Campground at end of Forest Road 116, ca 8.5 air mi SE of Penasco.  Elev. 8900-9100 ft.
T22N R12E S35 SE1/4; also T21N R12E S1 NE1/4 and T21N R13E S N1/4.  36.0907 N, 105.6108 W; GPS Reading.  
Stream riparian and spruce-fir forest. Phenology: spores. 

Jill E. Larson, 1167.  6/17/2005. 		RM 946801	Barcode: RM0143554
_________________________________________________________________________

462.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: Canjilon Creek and gypsum cliffs, E of Echo Ampitheater recreational site on U.S. Hwy 84, ca 14 air mi NW of Abiquiu.  Elev. 6550-7100 ft.
T25N R4E S33 N1/2; also S34.  36.3588 N, 106.5224 W; GPS Reading.  
Along creek riparian area. Phenology: vegetative only. 

Jill E. Larson, 4131b.  8/12/2005. 		RM 946800	Barcode: RM0143553
_________________________________________________________________________

463.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: junction of Forest roads 559 and 124 at Canjilon Creek, ca 3 air mi NE of Canjilon.  Elev. 8200-8500 ft.
T26N R5E S3; also NE1/4 S9 and NW1/4 S10.  36.5076 N, 106.4014 W; GPS Reading.  
Slopes with Quercus gambelii and riparian area. Phenology: spores. 

Jill E. Larson, 792.  6/7/2005. 		RM 946802	Barcode: RM0143555
_________________________________________________________________________

464.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: Sangre de Cristo Range: Hondo Canyon along Forest Road 606, SE of NM Hwy 68, up Hondo Canyon Creek 0.6 air mi.  Elev. 7350-7600 ft.
T24N R12E S30 W1/2.  36.2925 N, 105.7175 W to 36.296 N, 105.7105 W; GPS Reading.  
Riparian with Populus angustifolia, Salix, Alnus, and Betula. Phenology: spores. 

Ronald L. Hartman, 80459.  5/17/2005. 		RM 946796	Barcode: RM0143549
     with Jill E. Larson
_________________________________________________________________________

465.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Colfax County: Carson National Forest and Vicinity: Cimarron Range: edge of Carson National Forest at lower end of Lookout Canyon.  Elev. 8000-8104 ft.
T29N R18E S4 SE1/4; also N edge of S9.  39.769 N, 105.0121 W; GPS Reading.  
Meadow and ponderosa pine woodland. Phenology: spores. 

Ronald L. Hartman, 80736.  5/21/2005. 		RM 946795	Barcode: RM0143548
     with Jill E. Larson
_________________________________________________________________________

466.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: Rio de los Pinos, ca 0.6 air mi SW of Los Pinos.  Elev. 8000-8400 ft.
T32N R8E S22 NE1/4.  36.9829 N, 106.0738 W; GPS Reading.  
Roadside. Phenology: vegetative only. 

Ronald L. Hartman, 81156.  7/22/2005. 		RM 946794	Barcode: RM0143547
_________________________________________________________________________

467.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: Rio Grande Gorge on southwest side of Ute Mountain.  Elev. 7400-7493 ft.
T31N R12E S30 SW1/4.  36.8889 N, 105.7059 W; GPS Reading.  
Canyon rim and wash to river edge. Phenology: vegetative only. 

Ronald L. Hartman, 81439.  7/26/2005. 		RM 946793	Barcode: RM0143546
_________________________________________________________________________

468.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Colfax County: Carson National Forest and Vicinity: Cimarron Range: Colin Neblett State Wildlife Area: Tolby Creek ca 1.5 air mi S of Cimarron Canyon and U.S. Hwy 64, ca 3 air mi ESE of Eagle Nest, ca 1.5 air mi E of east shore of Eagle Nest Lake.  Elev. 8500-8750 ft.
36.5366 N, 105.2247 W; GPS Reading.  
Along creek with Alnus tenuifolia, Rosa, Rudbeckia laciniata var. ampla, and Rubus. Phenology: vegetative only. 

Jill E. Larson, 10114.  8/11/2006. 		RM 956266	Barcode: RM0208457
_________________________________________________________________________

469.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: Sangre de Cristo Range: San Cristobal Canyon Trailhead and along trail in canyon, ca 3 air mi NE of San Cristobal; ca 2 air mi SSE of Lama.  Elev. 8160-9400 ft.
T28N R12E S36 E1/2; also T28N R13E S31 and S32.  36.6196 N, 105.6088 W; GPS Reading.  
Old road bed near creek and riparian area lined with Alnus tenuifolia. Phenology: vegetative only. 

Jill E. Larson, 10585.  8/19/2006. 		RM 956265	Barcode: RM0208456
_________________________________________________________________________

470.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: NM Hwy 580 along South Fork Embudo Creek, ca 3 air mi SSE of Dixon.  Elev. 6450 ft.
T22N R11E S6.  36.1675 N, 105.8211 W; GPS Reading.  
Riparian area along creek with Populus species and Tamarix. Phenology: vegetative only. 

Jill E. Larson, 4921.  5/18/2006. 		RM 956286	Barcode: RM0208477
_________________________________________________________________________

471.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: Sangre de Cristo Range: Rio de las Trampas drainage along Forest Road 207 to El Valle, ca 2 air mi S of El Valle.  Elev. 8400-8700 ft.
T21N R11E S1 SE1/4; also T21N R12E S6.  36.0773 N, 105.7176 W; GPS Reading.  
Riparian area along Rio with mixed coniferous trees, Alnus, and Salix species. Phenology: vegetative only. 

Jill E. Larson, 5116.  5/24/2006. 		RM 956285	Barcode: RM0208476
_________________________________________________________________________

472.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: Picuris Pueblo Indian Reservation: Picuris Canyon, ca 2 1/4 air mi N of Picuris Pueblo.  Elev. 7775-8150 ft.
T23N R4E S13 E1/2; also T23N R12E S18 W1/2.  36.2282 N, 105.71 W; GPS Reading.  
Riparian area at bottom of canyon with road and old road bed with Salix species, Populus tremuloides, and Alnus. Phenology: vegetative only. 

Jill E. Larson, 5594.  6/1/2006. 		RM 956284	Barcode: RM0208475
     with Cheryl Archuleta
_________________________________________________________________________

473.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: Pueblo de Taos Indian Reservation: Rio Pueblo de Taos and south slopes of Pueblo Canyon, ca 6 air mi E of Taos Pueblo.  Elev. 7620-8450 ft.
T25N R14E S4 N1/2.  36.4395 N, 105.4513 W; GPS Reading.  
Lightly disturbed camping area at end of road with large Pinus ponderosa and riparian area of stream. Phenology: vegetative only. 

Jill E. Larson, 5776.  6/5/2006. 		RM 956283	Barcode: RM0208474
     with James Lucero
_________________________________________________________________________

474.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: Pueblo de Taos Indian Reservation: Rio Lucero head gate and gaging station, ca 2.5 air mi ESE of Arroyo Seco, ca 6 air mi N of Taos Pueblo.  Elev. 8100 ft.
36.5075 N, 105.5315 W; GPS Reading.  
Riparian zone of river with Alnus tenuifolia and Populus angustifolia. Phenology: vegetative only. 

Jill E. Larson, 5909.  6/5/2006. 		RM 956282	Barcode: RM0208473
     with James Lucero
_________________________________________________________________________

475.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: Pueblo de Taos Indian Reservation: Gato Canyon Trail towards Pueblo Peak, ca 2 mi NNE of Taos Pueblo.  Elev. 7900-8800 ft.
T26N R13E S26 N1/2; also SW1/4 S24.  36.4619 N, 105.522 W; GPS Reading.  
Riparian area of small creek with Acer glabrum and Alnus tenuifolia and surrounding mixed conifer forest with Pinus ponderosa, Abies concolor, and Pseudotsuga menziesii. Phenology: vegetative only. 

Jill E. Larson, 5981.  6/6/2006. 		RM 956281	Barcode: RM0208472
_________________________________________________________________________

476.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: Forest Road 274 above Rio Vallecitos, ca 4 air mi NNW of Canon Plaza.  Elev. 8350-8550 ft.
T27N R7E S4.  36.5997 N, 106.1963 W; GPS Reading.  
Riparian area along river. Phenology: vegetative only. 

Jill E. Larson, 6214.  6/11/2006. 		RM 956280	Barcode: RM0208471
_________________________________________________________________________

477.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: El Rito Canyon and Forest Road 559, ca 8 air mi W of Vallecitos and ca 11 air mi NNW of El Rito.  Elev. 8600 ft.
T26N R6E S14 SW1/4.  36.4837 N, 106.2717 W; GPS Reading.  
Wetland, wet meadow, and creek with extensive beaver activity and Scirpus, Salix species, Poa pratensis, and Taraxacum officinale. Phenology: vegetative only. 

Jill E. Larson, 6339.  6/12/2006. 		RM 956279	Barcode: RM0208470
_________________________________________________________________________

478.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: Sangre de Cristo Range: Pueblo de Taos Indian Reservation: pasture area W of road to Pueblo, ca 0.5 mi W of Taos Pueblo.  Elev. 7050 ft.
T26N R13E S33 SE1/4; also T25N R13E S4 NE1/4.  36.4355 N, 105.5543 W; GPS Reading.  
Open grassland/wetland with Carex lanuginosa, Equisetum laevigatum, Juncus balticus and groups of Salix and Typha in the moistest areas. Phenology: vegetative only. 

Jill E. Larson, 6655.  6/15/2006. 		RM 956278	Barcode: RM0208469
     with James Lucero
_________________________________________________________________________

479.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: ca 1 mi E of Cruces Basin Wilderness Area from Forest Road 87 at Osier Creek, ca 15 air mi ENE of Chama; ca 7 air mi WSW of Sublette, ca 2 air mi S of Colorado.  Elev. 9500-9800 ft.
T32N R6E S30 SE1/4; also N1/2 S32 and S33.  36.9761 N, 106.3457 W; GPS Reading.  
Stream riparian area and adjacent moist areas with Potentilla fruticosa, Carex aquatilis, Caltha, Veronica, and Juncus balticus. Phenology: vegetative only. 

Jill E. Larson, 6729.  6/17/2006. 		RM 956277	Barcode: RM0208468
     with Robert Peters
_________________________________________________________________________

480.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: Cruces Basin Wilderness Area: Cruces Creek S of Cruces Spring, ca 15 air mi WSW of Sublette, ca 5 air mi S of Colorado.  Elev. 9250 ft.
T31N R6E S10 NW1/4.  36.9432 N, 106.3039 W; GPS Reading.  
Creek riparian area with Salix species, Alnus tenuifolia, and Picea engelmannii; surrounding dry meadows with Festuca arizonica and Potentilla hippiana. Phenology: vegetative only. 

Jill E. Larson, 6774.  6/18/2006. 		RM 956276	Barcode: RM0208467
     with Robert Peters
_________________________________________________________________________

481.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: Forest Road 94, ca 2 air mi S fo Las Placitas, just S of CCC Spring.  Elev. 6500 ft.
T24N R7E S26 W1/2.  36.2901 N, 106.1648 W; GPS Reading.  
Small wetland area with Eleocharis palustris and Potentilla anserina surrounded by pinyon/juniper woodland. Phenology: vegetative only. 

Jill E. Larson, 7053.  6/21/2006. 		RM 956275	Barcode: RM0208466
_________________________________________________________________________

482.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: Picuris Pueblo Indian Reservation: E of NM Hwy 76, ca 1 air mi NNE of Chamisal and ca 2 air mi SSW of Picuris Pueblo.  Elev. 7550-7660 ft.
T23N R11E S36 South 1/2.  36.1811 N, 105.7213 W; GPS Reading.  
Artificial ponds ringed with Schoenoplectus and Typha; surrounding areas disturbed by creation of ponds. Phenology: vegetative only. 

Jill E. Larson, 7195.  6/27/2006. 		RM 956274	Barcode: RM0208465
_________________________________________________________________________

483.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: Sangre de Cristo Range: Pueblo de Taos Indian Reservation: Lucero Canyon from footbridge to Martinez Canyon; trail along Rio Lucero, ca 6 air mi E of Arroyo Seco and ca 5 air mi S of Twining.  Elev. 8300-9300 ft.
36.5112 N, 105.4649 W; GPS Reading.  
Moist area with Veratrum californicum. Phenology: vegetative only. 

Jill E. Larson, 7322.  6/29/2006. 		RM 956273	Barcode: RM0208464
     with James Lucero
_________________________________________________________________________

484.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: Sangre de Cristo Range: along Agua Piedra Creek on Forest Trail 19 from Agua Piedra Recreational Area off NM Hwy 518, ca 0.5 air mi W of Tres Ritos.  Elev. 8450-9400 ft.
T22N R13E S23; also S26 and N1/2 S35.  36.1309 N, 105.5283 W; GPS Reading.  
Riparian area along creek with Alnus tenuifolia, Salix species, Senecio triangularis, Aconitum, and Oxypolis fendleri. Phenology: vegetative only. 

Jill E. Larson, 7433.  7/2/2006. 		RM 956272	Barcode: RM0208463
_________________________________________________________________________

485.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: Sangre de Cristo Range: Forest Road 134 on Cabresto Creek, ca 1 air mi SSE of Cabresto Lake, ca 1.5 air mi W of turn off to Forest Road 597 and Bonito Canyon, ca 5 air mi NW of Red River.  Elev. 8500 ft.
T29N R14E S19.  36.7327 N, 105.4902 W; GPS Reading.  
Riparian area along creek with Salix species and Alnus tenuifolia. Phenology: vegetative only. 

Jill E. Larson, 7814.  7/6/2006. 		RM 956271	Barcode: RM0208462
_________________________________________________________________________

486.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: Sangre de Cristo Range: Goose Creek Trail 65 and along Goose Creek, ca 3.5 air mi S of Red River, ca 2 air mi SE of Black Mountain.  Elev. 9700-11500 ft.
T28N R14E S14; also S22.  36.6677 N, 105.4098 W; GPS Reading.  
Spruce-subalpine fir forest and moist riparian areas along creek. Phenology: vegetative only. 

Jill E. Larson, 8043.  7/12/2006. 		RM 956270	Barcode: RM0208461
_________________________________________________________________________

487.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Colfax County: Carson National Forest and Vicinity: Sangre de Cristo Range: Valle Vidal Unit: along Middle Ponil Creek S toward Greenwood Canyon from Forest Road 1910, ca 13 air mi E of Red River and ca 2 mi N of Forest Boundary.  Elev. 8500 ft.
T29N R16E S25 E1/2; also E1/2 S36.  36.7247 N, 105.1818 W; GPS Reading.  
Along stream with occasional conifers and Alnus, Populus, and Salix species. Phenology: vegetative only. 

Jill E. Larson, 8401.  7/15/2006. 		RM 956269	Barcode: RM0208460
_________________________________________________________________________

488.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: Trout Lakes, ca 9 air mi NNE fo Canjilon, ca 6 air mi NE of Cebolla.  Elev. 9150 ft.
T27N R5E S2; also T28N R5E S34 SE1/4.  36.6067 N, 106.382 W; GPS Reading.  
Numerous small lakes and moist depressions within mixed-conifer forest; riparian areas with Rudbeckia laciniata var. ampla and Carex aquatilis; recently heavily grazed by cattle. Phenology: vegetative only. 

Jill E. Larson, 9400.  7/29/2006. 		RM 956268	Barcode: RM0208459
_________________________________________________________________________

489.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: Sangre de Cristo Range: Columbine Canyon Trail 71 from NM Hwy 38 to Deer Creek Trail junction, ca 4 air mi ESE of Questa.  Elev. 7840-8500 ft.
T28N R13E S11 E1/2; also E1/2 S14.  36.6774 N, 105.5156 W; GPS Reading.  
Trail along stream in mixed conifer forest of Abies concolor, Pseudotsuga menziesii, and a few Pinus ponderosa. Phenology: vegetative only. 

Jill E. Larson, 9715.  8/1/2006. 		RM 956267	Barcode: RM0208458
_________________________________________________________________________

490.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: ca 1.5 mi SW on NM Hwy 68 from NM Hwy 75, ca 0.5 mi SW along Rio Grande.  Elev. 5850 ft.
T23N R9E S24.  36.2114 N, 105.938 W; GPS Reading.  
Roadside to river edge. Phenology: vegetative only. 

Ronald L. Hartman, 81979.  5/22/2006. 		RM 956264	Barcode: RM0208455
_________________________________________________________________________

491.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: NM Hwy 68, 2 mi SW of Embudo, ca 0.2 air mi NE and SW.  Elev. 5781 ft.
T23N R9E S34.  36.1833 N, 105.9785 W; GPS Reading.  
Roadside to river banks. Phenology: vegetative only. 

Ronald L. Hartman, 81997.  5/22/2006. 		RM 956263	Barcode: RM0208454
_________________________________________________________________________

492.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: ca 6 air mi SE of Dixon.  Elev. 6380 ft.
T22N R10E S1.  36.1725 N, 105.831 W; GPS Reading.  
Sandy draw and stream bottom. Phenology: vegetative only. 

Ronald L. Hartman, 82067.  5/22/2006. 		RM 956262	Barcode: RM0208453
_________________________________________________________________________

493.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Bighorn Basin: along State Ditch just below Wyo Hwy 120, ca 1 mi E of Big Sand Coulee, ca 5.5 air mi NE of Clark; ca 21 air mi NW of Powell.  Elev. 4150 ft.
T57N R101W S4 NW1/4 of NW1/4.  44.9499 N, 109.0568 W; uncertainty 0.25 mi..  
Ditch bank and adjacent flats. Phenology: vegetative only. 

B. E. Nelson, 52474.  6/9/2001. 		RM 802949	Barcode: RM0098358
     with Luanne Lum
_________________________________________________________________________

494.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Bighorn Basin: along Spring Creek, ca 11 air mi E of the summit of Carter Mountain, ca 6.5 air mi NE of Pitchfork; ca 10 air mi W of Meeteetse.  Elev. 6720 ft.
T49N R102W S25 SW1/4.  44.1905 N, 109.0655 W; uncertainty 0.5 mi..  
Meadows and bench along the stream. Phenology: vegetative only. 

B. E. Nelson, 52545.  6/10/2001. 		RM 802948	Barcode: RM0098357
     with Luanne Lum
_________________________________________________________________________

495.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Big Horn County: Bighorn Basin: along Lane 42 ca 3 air mi N of Sheep Mountain and ca 0.3 mi S of the Greybull River, ca 4 air mi S of Burlington; ca 19.5 air mi W of Basin.  Elev. 4400 ft.
T51N R96W S20 N1/4.  44.3786 N, 108.4199 W; uncertainty 1 mi..  
Roadside on wooded clay flats with irrigation ditch. Phenology: vegetative only. 

B. E. Nelson, 52611.  6/10/2001. 		RM 802947	Barcode: RM0098360
     with Luanne Lum
_________________________________________________________________________

496.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Bighorn Basin: along County Road 1AB at Clarks Fork Canyon, ca 25 air mi NNW of Cody.  Elev. 4590-5680 ft.
T56N R103W S7.  44.8468 N, 109.3107 W; uncertainty 1 mi..  
Riparian with Juniperus. Phenology: vegetative only. 

Luanne Lum, 1109.  8/1/2001. 		RM 802952	Barcode: RM0098300
_________________________________________________________________________

497.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Big Horn County: Big Horn Mountains: along Forest Road 27 and West Tensleep Creek, ca 15 air mi NE of Ten Sleep and ca 38 air mi ENE of Worland.  Elev. 8520-8590 ft.
T49N R86W S19 SE1/4; also SW1/4 S20, NW1/4 S29; also NE1/4 S30.  44.2024 N, 107.2539 W; uncertainty 1 mi..  
Mountain meadow in clayey sand. Phenology: vegetative only. 

Luanne Lum, 1187.  8/11/2001. 		RM 802951	Barcode: RM0098301
_________________________________________________________________________

498.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Big Horn County: Big Horn Mountains: along Forest Road 47, ca 14.5 air mi NE of Ten Sleep and ca 38 air mi ENE of Worland.  Elev. 8410-8460 ft.
T49N R86W S32.  44.1728 N, 107.2338 W; uncertainty 1 mi..  
Coniferous forest intermixed with mountain meadow. Phenology: vegetative only. 

Luanne Lum, 1206.  8/12/2001. 		RM 802950	Barcode: RM0098312
_________________________________________________________________________

499.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Big Horn County: Big Horn Mountains: along Forest Road 17, ca 13.5 air mi E of Shell and ca 28 air mi ENE of Greybull.  Elev. 8145-8175 ft.
T53N R88W S30.  44.541 N, 107.5063 W; uncertainty 1 mi..  
Creekside riparian with Salix and occasional Picea. Phenology: vegetative only. 

Luanne Lum, 1262.  8/14/2001. 		RM 802931	Barcode: RM0098310
_________________________________________________________________________

500.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: along Gooseberry Creek or County Road 14, ca 15 air mi ESE of Meeteetse.  Elev. 5300-5480 ft.
T47N R98W S28 NE1/4.  44.0133 N, 108.5802 W; uncertainty 0.5 mi..  
Roadside ditch. Phenology: vegetative only. 

Luanne Lum, 328.  6/25/2001. 		RM 802954	Barcode: RM0098298
_________________________________________________________________________

501.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Washakie County: Big Horn Mountains: along Nowood Road at Nowood River, ca 0.5 air mi NW of Mahogany Butte, ca 27 air mi S of Ten Sleep.  Elev. 5040 ft.
T48N R88W S35 SE1/4.  44.0841 N, 107.4001 W; uncertainty 0.5 mi..  
Riparian; clayey soil and sandy along bank. Phenology: vegetative only. 

Luanne Lum, 64.  6/12/2001. 		RM 802955	Barcode: RM0098297
_________________________________________________________________________

502.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Washakie County: Big Horn Mountains: N of the Middle Fork Powder River, ca 37.5 air mi SSE of Ten Sleep.  Elev. 7960-8030 ft.
T41N R86W S8 N1/4.  43.535 N, 107.2019 W; uncertainty 1 mi..  
Freshwater creek. Phenology: vegetative only. 

Luanne Lum, 785.  7/13/2001. 		RM 802953	Barcode: RM0098299
_________________________________________________________________________

503.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Bighorn Basin: along West Timber Creek, ca 15 air mi WSW of Meeteetse.  Elev. 6820-6840 ft.
T47N R102W S6 NW1/4; also T48N R102W S1/2 S31 .  44.0724 N, 109.1415 W; uncertainty 2 mi..  
Riparian with Salix on sandy soil. Phenology: vegetative only. 

Luanne Lum, 956.  7/23/2001. 		RM 802946	Barcode: RM0098361
_________________________________________________________________________

504.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Bighorn Basin: along Greybull River and Wyo Road 290, ca 4 air mi WSW of Meeteetse.  Elev. 5970 ft.
T48N R101W S24 N1/2.  44.1167 N, 108.921 W; uncertainty 1 mi..  
Riparian. Phenology: vegetative only. 

Luanne Lum, 2792.  6/18/2002. 		RM 937253	Barcode: RM0104605
     with Al Flinck
_________________________________________________________________________

505.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Bighorn Basin: along BLM Road 1314, ca 12.5 air mi WSW of Meeteetse.  Elev. 6560-6610 ft.
T48N R102W S28 SW1/4; also E1/2 S29.  44.102 N, 109.1014 W; uncertainty 2 mi..  
Spring meadow. Phenology: vegetative only. 

Luanne Lum, 3245.  6/27/2002. 		RM 937252	Barcode: RM0104604
_________________________________________________________________________

506.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Bighorn Basin: along BLM Road 1314 and Pickett Creek, ca 18.5 air mi WSW of Meeteetse.  Elev. 7120-7150 ft.
T48N R103W S16 SE1/4.  44.1315 N, 109.2217 W; uncertainty 0.5 mi..  
Riparian. Phenology: vegetative only. 

Luanne Lum, 3286.  6/27/2002. 		RM 937251	Barcode: RM0104603
_________________________________________________________________________

507.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Big Horn County: Big Horn Mountains: along Forest Road 344.01, ca 12 air mi NE of Hyattville and ca 36 air mi NE of Worland.  Elev. 8680-8780 ft.
T51N R88W S36 SW1/4.  44.3503 N, 107.3948 W; uncertainty 0.5 mi..  
Sagebrush, pine forest, and mountain meadow. Phenology: vegetative only. 

Luanne Lum, 3485.  6/30/2002. 		RM 937250	Barcode: RM0104602
_________________________________________________________________________

508.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Washakie County: Big Horn Mountains: along Forest Road 25 W of Canyon Creek, ca 7.7 air mi SE of Meadowlark Lake.  Elev. 8250-8320 ft.
T48N R86W S25 South1/2.  44.0984 N, 107.1389 W; uncertainty 1 mi..  
Pine and mountain riparian. Phenology: vegetative only. 

Luanne Lum, 3592.  7/2/2002. 		RM 937249	Barcode: RM0104601
_________________________________________________________________________

509.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Washakie County: Big Horn Mountains: along Forest Road 27 and West Tensleep Creek, ca 12 air mi NE of Ten Sleep and ca 36.5 ENE Worland.  Elev. 7850-7960 ft.
T48N R87W S1 NE1/4.  44.156 N, 107.2594 W; uncertainty 0.5 mi..  
Sagebrush and pine forest. Phenology: vegetative only. 

Luanne Lum, 3697.  7/5/2002. 		RM 937212	Barcode: RM0104210
_________________________________________________________________________

510.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Washakie County: Big Horn Mountains: along Forest Road 25 crossing Canyon Creek, ca 6.5 air mi ESE of Meadowlark Lake and ca 16.5 air mi ENE of Ten Sleep.  Elev. 8780-8990 ft.
T48N R86W S24 NE1/4.  44.1128 N, 107.1389 W; uncertainty 0.5 mi..  
Coniferous forest and mountain meadow. Phenology: vegetative only. 

Luanne Lum, 3925.  7/8/2002. 		RM 937211	Barcode: RM0104209
_________________________________________________________________________

511.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Bighorn Basin: along BLM Road 1314 and Pickett Creek, ca 19 air mi WSW of Meeteetse.  Elev. 7320-7370 ft.
T48N R103W S16 NW1/4.  44.1315 N, 109.2217 W; uncertainty 0.5 mi..  
Disturbed sagebrush. Phenology: vegetative only. 

Luanne Lum, 4326.  7/17/2002. 		RM 937247	Barcode: RM0104153
     with Michelle Wilson
_________________________________________________________________________

512.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Bighorn Basin: along BLM Road 1314 and Pickett Creek, ca 19 air mi W of Meeteetse.  Elev. 7590-7610 ft.
T48N R103W S8 N1/2.  44.1463 N, 109.2417 W; uncertainty 1 mi..  
Riparian. Phenology: vegetative only. 

Luanne Lum, 4404.  7/17/2002. 		RM 937246	Barcode: RM0104154
     with Michelle Wilson
_________________________________________________________________________

513.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Bighorn Basin: along the Greybull River at Four Bear oil field, ca 18.5 air mi WSW of Meeteetse.  Elev. 7000-7200 ft.
T48N R103W S20 E1/2; also W1/2 S21.  44.1167 N, 109.2417 W; uncertainty 1 mi..  
Riparian. Phenology: vegetative only. 

Luanne Lum, 4527.  7/20/2002. 		RM 937245	Barcode: RM0104155
     with Michelle Wilson
_________________________________________________________________________

514.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Bighorn Basin: along Francs Creek, ca 17 air mi WSW of Meeteetse.  Elev. 7035-7045 ft.
T48N R103W S34 NE1/4; also NW1/4 S35.  44.0872 N, 109.2016 W; uncertainty 1 mi..  
Sagebrush. Phenology: vegetative only. 

Luanne Lum, 4571.  7/20/2002. 		RM 937244	Barcode: RM0104156
     with Michelle Wilson
_________________________________________________________________________

515.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Bighorn Basin: along County Road 6WX and South Fork Shoshone River at Rock Creek, ca 22.5 air mi SW of Cody.  Elev. 5875-5940 ft.
T50N R104W S7 NE1/4.  44.3207 N, 109.4084 W; uncertainty 0.5 mi..  
Riparian and sagebrush. Phenology: vegetative only. 

Luanne Lum, 5005.  7/29/2002. 		RM 937243	Barcode: RM0104157
_________________________________________________________________________

516.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Bighorn Basin: along County Road 6QS at South Fork Shoshone River and Sheep Creek, ca 13.5 air mi SW of Cody.  Elev. 5480-5490 ft.
T51N R103W S8.  44.4076 N, 109.2672 W; uncertainty 1 mi..  
Riparian. Phenology: vegetative only. 

Luanne Lum, 5033.  7/29/2002. 		RM 937242	Barcode: RM0104158
_________________________________________________________________________

517.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Big Horn County: Big Horn Mountains: along Alkali or Forest Road 338 and Forest Road 17 at Mill Creek, ca 30.5 air mi E of Greybull.  Elev. 8675-8760 ft.
T52N R88W S28 N1/2.  44.4539 N, 107.4552 W; uncertainty 1 mi..  
Upper creekside. Phenology: vegetative only. 

Luanne Lum, 5129.  8/2/2002. 		RM 937241	Barcode: RM0104159
_________________________________________________________________________

518.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Big Horn County: Big Horn Mountains: along Forest Road 17 N of Round Lake, ca 31.5 air mi ESE of Greybull.  Elev. 8670-8770 ft.
T51N R88W S3 SW1/4.  44.4243 N, 107.4351 W; uncertainty 0.5 mi..  
Coniferous forest and sagebrush. Phenology: vegetative only. 

Luanne Lum, 5235.  8/2/2002. 		RM 937240	Barcode: RM0104160
_________________________________________________________________________

519.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Big Horn County: Big Horn Mountains: along Forest Road 13 and Bald Mountain Creek, ca 28 air mi E of Lovell; ca 25.3 air mi NNE of Greybull.  Elev. 8980-9000 ft.
T56N R91W S19 SW1/4.  44.8178 N, 107.853 W; uncertainty 0.5 mi..  
Creekside. Phenology: vegetative only. 

Luanne Lum, 5326.  8/5/2002. 		RM 937216	Barcode: RM0104161
_________________________________________________________________________

520.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Bighorn Basin: along County Road 4DT and Wood River N of Brown Creek, ca 18.5 air mi SW of Meeteetse.  Elev. 7100-7240 ft.
T46N R102W S21 South1/2.  43.9394 N, 109.1014 W; uncertainty 1 mi..  
Creekside riparian. Phenology: vegetative only. 

Luanne Lum, 5582.  8/10/2002. 		RM 937215	Barcode: RM0104162
_________________________________________________________________________

521.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Bighorn Basin: along Forest Road 200 at Wood River, ca 21 air mi SW of Meeteetse.  Elev. 7370-7400 ft.
T46N R102W S30 NW1/4.  43.9246 N, 109.1415 W; uncertainty 0.5 mi..  
Riparian and mixed coniferous forest. Phenology: vegetative only. 

Luanne Lum, 5625.  8/10/2002. 		RM 937203	Barcode: RM0104599
_________________________________________________________________________

522.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, San Miguel County: San Miguel and lower Dolores River Drainages: San Miguel River Drainage: Beaver Creek, ca 10 air mi SSE of Norwood.  Elev. 8100 ft.
T43N R12W S21.  37.9734 N, 108.196 W.  
Riparian with Salix spp., spruce and dogwood. Phenology: vegetative only. 

Margarette J. Lyon, 1429.  5/31/1993. 		 
_________________________________________________________________________

523.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, San Miguel County: San Miguel and lower Dolores River Drainages: San Miguel River Drainage: on west side of Big Bear Creek, ca 8.5 air mi W of Telluride.  Elev. 8600-9200 ft.
T42N R10W S4; also T43N R10W S33.  37.9299 N, 107.976 W.  
Riparian. Phenology: vegetative only. 

Margarette J. Lyon, 1441.  6/4/1993. 		 
_________________________________________________________________________

524.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, San Miguel County: San Miguel and lower Dolores River Drainages: San Miguel River Drainage: South Fork: trail from old railroad grade to beaver ponds on Nature Conservancy preserve, ca 6 air mi SW of Telluride.  Elev. 8800 ft.
T42N R9W S19; also S13.  37.8864 N, 107.9027 W.  
Damp forested hillside, east-facing slope with aspen, spruce and Douglas fir; and riparian with willows by beaver ponds. Phenology: vegetative only. 

Margarette J. Lyon, 1496.  6/4/1993. 		 
_________________________________________________________________________

525.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Montrose County: San Miguel and lower Dolores River Drainages: San Miguel River Drainage: Uncompahgre Plateau: Copper King Road above Tabeguache Basin.  Elev. 7980-8260 ft.
T48N R14W S22; also S23.  38.4017 N, 108.3988 W.  
Dry slopes with oak and chokecherry, and riparian area at stream crossing. Phenology: vegetative only. 

Margarette J. Lyon, 1673.  6/18/1993. 		 
_________________________________________________________________________

526.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, San Miguel County: San Miguel and lower Dolores River Drainages: San Miguel River Drainage: Noel on Leopard Creek, at intersection of Last Dollar Road and Colo Hwy 62.  Elev. 8800 ft.
T44N R10W S1.  38.0932 N, 107.9155 W.  
Riparian with Salix, Alnus and Heracleum. Phenology: vegetative only. 

Margarette J. Lyon, 1753.  7/2/1993. 		 
_________________________________________________________________________

527.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, San Miguel County: San Miguel and lower Dolores River Drainages: Leopard Creek, at intersection of Colo Hwy 62 and County Road 62X.  Elev. 8808 ft.
T45N R10W S35.  38.1093 N, 107.937 W.  
Riparian area with Salix spp. Phenology: vegetative only. 

Margarette J. Lyon, 830.  5/12/1993. 		 
_________________________________________________________________________

528.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Mesa County: San Miguel and Lower Dolores River Drainages: Uncompahgre Plateau: Big Creek, ca 28 air mi E of Gateway.  Elev. 8200 ft.
T15S R101W S29.  38.7185 N, 108.7065 W.  
Riparian area with willows. 

Margarette J. Lyon, 3010.  5/13/1994. 		 
_________________________________________________________________________

529.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, San Miguel County: San Miguel and Lower Dolores River Drainages: Uncompahgre National Forest: McCullough Creek.  Elev. 10000 ft.
T42N R11W S19.  37.8864 N, 108.1226 W.  
Wet area with mosses, liverworts, and Salix. 

Margarette J. Lyon, 4324.  6/12/1994. 		 
_________________________________________________________________________

530.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Montrose County: San Miguel and Lower Dolores River Drainages: Uncompahgre Plateau: Little Red Canyon Road (Forest Road 523); first switchback ca 0.5 mi from Divide Road (Forest Road 402).  Elev. 9200 ft.
T47N R11W S30.  38.2994 N, 108.1217 W.  
Riparian area with Salix in spruce-aspen forest. 

Margarette J. Lyon, 4812.  6/21/1994. 		 
_________________________________________________________________________

531.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, San Miguel County: San Miguel and Lower Dolores River Drainages: San Miguel River Drainage: at bridge over Fall Creek and downstream along east side of creek.  Elev. 8000 ft.
T43N R11W S25.  37.9589 N, 108.031 W.  
Riparian with Populus angustifolia and Salix exigua. 

Margarette J. Lyon, 5859.  7/11/1994. 		 
_________________________________________________________________________

532.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, San Miguel County: San Miguel and Lower Dolores River Drainages: San Miguel River Drainage: at bridge over Fall Creek and downstream along east side of creek.  Elev. 8000 ft.
T43N R11W S25.  37.9589 N, 108.031 W.  
Riparian with Populus angustifolia and Salix exigua. 

Margarette J. Lyon, 5881.  7/11/1994. 		 
_________________________________________________________________________

533.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, San Miguel County: San Miguel and Lower Dolores River Drainages: San Miguel River Drainage: Specie Creek, ca 0.5 mi S of San Miguel River.  Elev. 7400 ft.
T44N R11W S31.  38.0228 N, 108.1181 W.  
Riparian area with Populus and Picea pungens. 

Margarette J. Lyon, 6389.  7/22/1994. 		 
_________________________________________________________________________

534.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, San Miguel County: San Miguel and Lower Dolores River Drainages: Sunshine Mesa at wilderness boundary.  Elev. 9800 ft.
T42N R10W S25.  37.8719 N, 107.921 W.  
Lake. Phenology: vegetative only. 

Margarette J. Lyon, 6789b.  8/5/1994. 		 
_________________________________________________________________________

535.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Mesa County: San Miguel and Lower Dolores River Drainages: Unaweep Canyon along West Creek.  Elev. 7000 ft.
T15S R102W S14.  38.7477 N, 108.7627 W.  
Riparian area with Acer negundo, Populus, Salix exigua, Eleocharis, and Equisetum. 

Margarette J. Lyon, 7668b.  8/20/1994. 		 
_________________________________________________________________________

536.  Equisetum arvense L. 				Equisetaceae

U.S.A., Oregon, Umatilla County: Blue Mountains: Umatilla National Forest: north side of Hidaway Creek, ca 1/4 air mi E of Hidaway Meadows, ca 16 air mi E of Ukiah.  Elev. 5500 ft.
T5S R43E S31 SE1/4.  
Seep with Abies grandis, Pinus contorta, Aconitum columbianum, Carex spp., Senecio triangularis. Phenology: spores. 

Stuart Markow, 12339.  6/29/2002. 		RM 
_________________________________________________________________________

537.  Equisetum arvense L. 				Equisetaceae

U.S.A., South Dakota, Pennington County: Black Hills: Mount Rushmore National Memorial: Starling Basin (drainage SW and S of The Heads), beaver pond near south park boundary (southwest corner of Monument).  Elev. 5140 ft.
T2S R5E S13 NW1/4 of SW1/4; SE1/4 SE1/4 S13..  4858499E, 623691N.  
Margin of beaver pond; lush vegetation dominated by grasses, sedges; canopy open - willow, white spruce, ponderosa pine, bur oak. 

Cheryl Mayer, 500.  7/20/2005. 		RM 
_________________________________________________________________________

538.  Equisetum arvense L. 				Equisetaceae

U.S.A., South Dakota, Pennington County: Black Hills: Mount Rushmore National Memorial: Starling Basin (drainage SW and S of The Heads), beaver pond near south park boundary (southwest corner of Monument).  Elev. 5140 ft.
T2S R5E S13 NW1/4 of SW1/4; SE1/4 SE1/4 S13..  4858499E, 623691N.  
Margin of beaver pond; lush vegetation dominated by grasses, sedges; canopy open - willow, white spruce, ponderosa pine, bur oak. 

Cheryl Mayer, 501.  7/20/2005. 		RM 
_________________________________________________________________________

539.  Equisetum arvense L. 				Equisetaceae

U.S.A., South Dakota, Pennington County: Black Hills: Mount Rushmore National Memorial: Lafferty Gulch ca 0.1 mi upstream from north park boundary.  Elev. 4720 ft.
T2S R6E S7 SW1/4 of SE1/4.  zone 13, 4860166E, 624599N.  
North-trending drainage with paper birch, ponderosa pine, white spruce (30% canopy cover); moist streamside. 

Cheryl Mayer, 429.  6/11/2005. 		RM 804299
_________________________________________________________________________

540.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Sage Creek W of County Road 401, ca 22 air mi S of Rawlins; ca 19 air mi W of Saratoga.  Elev. 7100 ft.
T17N R87W S4.  41.4758 N, 107.1949 W.  
Along creek; surrounded by greasewood, sagebrush, wild rose, and wild licorice. Phenology: vegetative only. 

Amy J. Roderick, 2327.  7/14/1997. 		RM 665632	Barcode: RM0125567
_________________________________________________________________________

541.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: base of Indian Ridge, ca 9 air mi SW of Lander.  Elev. 8170-9010 ft.
T31N R100W S5 NW1/4; also S6 and NW1/4 S7.  42.6887 N, 108.8184 W to 42.6815 N, 108.8337 W to 42.676 N, 108.8333 W; GPS Reading.  
Seep in graminoid meadow. Phenology: spores. 

Rob Massatti, 1209.  6/25/2005. 		USFS 851333	Barcode: USFS0035270
_________________________________________________________________________

542.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: Pilot Knob to Two Ocean Mountain E to Wind River, ca 18 air mi NW of Dubois.  Elev. 9720-9730 ft.
T43N R110W S4 NE1/4; also T44N R110W S33.  43.7144 N, 110.0472 W to 43.7358 N, 110.0747 W; GPS Reading.  
Forb dominated meadow. Phenology: spores. 

Rob Massatti, 1503.  7/2/2005. 		USFS 851332	Barcode: USFS0035269
_________________________________________________________________________

543.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: ca 2 mi S of Elk Ridge, ca 12 air mi WNW of Dubois.  Elev. 7840 ft.
T42N R109W S2 SW1/4.  43.6266 N, 109.905 W; GPS Reading.  
Forested riparian streamside. Phenology: spores. 

Rob Massatti, 1624.  7/3/2005. 		USFS 851331	Barcode: USFS0035268
_________________________________________________________________________

544.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: north and east slopes Roaring Fork Mountain, ca 12 air mi SW of Lander.  Elev. 9700-11490 ft.
T31N R102W S11; also N1/2 S12.  42.6687 N, 108.9915 W to 42.6766 N, 108.9576 W; GPS Reading.  
Stream bank in coniferous forest. Phenology: spores. 

Rob Massatti, 1772.  7/4/2005. 		USFS 851330	Barcode: USFS0035267
_________________________________________________________________________

545.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: Maxon Basin and vicinity, ca 18 air mi SSW of Lander.  Elev. 8450-8580 ft.
T30N R101W S1; also T30N R100W S6.  42.6091 N, 108.8553 W to 42.606 N, 108.8312 W; GPS Reading.  
Riparian area adjacent to river. Phenology: spores. 

Rob Massatti, 1854.  7/7/2005. 		USFS 851329	Barcode: USFS0035266
_________________________________________________________________________

546.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: Sheridan Creek and Lava Mountain, ca 25 air mi WNW of Dubois.  Elev. 9050-9170 ft.
T42N R110W S3 N1/2; also South1/2 S2 and NW1/4 S12.  43.6234 N, 110.011 W to 43.6343 N, 110.0395 W; GPS Reading.  
Wet meadow. Phenology: spores. 

Rob Massatti, 2355.  7/15/2005. 		USFS 851328	Barcode: USFS0035265
     with Michelle Noe
_________________________________________________________________________

547.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: Native Lake to Indian Pass, ca 23 air mi SSE of Dubois.  Elev. 9510-9640 ft.
T38N R105W S29 NW1/4; also NE1/4 S30.  43.241 N, 109.4924 W to 43.2413 N, 109.5005 W; GPS Reading.  
Wet depressions in lodgepole pine forest, scattered Engelmann spruce. Phenology: vegetative only. 

Rob Massatti, 3447.  8/3/2005. 		USFS 851327	Barcode: USFS0035264
_________________________________________________________________________

548.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: Little Milky Lake area, ca 25 air mi SSE of Dubois.  Elev. 9620-9790 ft.
T37N R105W S28; also South1/2 S29.  43.1465 N, 109.4686 W to 43.1466 N, 109.4949 W; GPS Reading.  
Sandy river banks. Phenology: spores. 

Rob Massatti, 4318.  8/17/2005. 		USFS 851326	Barcode: USFS0035263
_________________________________________________________________________

549.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: ca 3 mi SSE of Torrey Lake, ca 9 air mi S of Dubois.  Elev. 7620-7650 ft.
T40N R106W S22 N1/2; also S23 and S24.  43.4239 N, 109.5702 W to 43.4261 N, 109.5586 W; GPS Reading.  
Riparian drainage area with patchy conifer and deciduous cover. Phenology: spores. 

Rob Massatti, 551.  6/17/2005. 		USFS 851335	Barcode: USFS0035272
_________________________________________________________________________

550.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: ca 2 mi NE of Windy Mountain, ca 3 air mi SW of Dubois.  Elev. 8060-8170 ft.
T41N R107W S14; also S23.  43.5152 N, 109.674 W to 43.5021 N, 109.6564 W; GPS Reading.  
Sagebrush shrubland with wet depressions. Phenology: spores. 

Rob Massatti, 705.  6/18/2005. 		USFS 851334	Barcode: USFS0035271
_________________________________________________________________________

551.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: ca 1 mi SW of Limestone Mountain; ca 4 air mi NW of Miners Delight.  Elev. 8070-8750 ft.
T30N R100W S14; also N1/2 S23.  42.5662 N, 108.7379 W to 42.5775 N, 108.7558 W; GPS Reading.  
Mixed lodgepole and limber pine forest with sagebrush steppe, granite substrate. Phenology: spores. 

Rob Massatti, 4604.  5/24/2006. 		USFS 851318	Barcode: USFS0035286
_________________________________________________________________________

552.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: Pine Creek, Gold Creek and vicinity at forest boundary, ca 5 air mi WNW of South Pass City.  Elev. 8410-8600 ft.
T29N R101W S10 W1/4; also South1/2 S9 and SE1/4 S8.  42.4923 N, 108.8867 W to 42.4983 N, 108.9114 W to 42.4918 N, 108.9198 W; GPS Reading.  
Graminoid and willow dominated drainage. Phenology: spores. 

Rob Massatti, 4958.  6/3/2006. 		USFS 851319	Barcode: USFS0035287
_________________________________________________________________________

553.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: Rock Creek, ca 2 mi WNW of Rock Creek Reservoir; ca 20 air mi SSW of Lander.  Elev. 8690-9020 ft.
T30N R100W S20; also E1/2 S19.  42.5582 N, 108.8273 W to 42.5653 N, 108.8105 W to 42.5592 N, 108.8085 W; GPS Reading.  
Riparian drainage within lodgepole pine forest. Phenology: spores. 

Rob Massatti, 5206.  6/4/2006. 		USFS 851320	Barcode: USFS0035288
_________________________________________________________________________

554.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: Little Rock Creek to Granite Peak to Louis Creek, ca 22 air mi SSW of Lander.  Elev. 8630-10400 ft.
T30N R100W S19 W1/2; also SW1/4 S18, NW1/4 S30; T30N R101W N1/2 S25, S1/2 S23, NE1/4 S27, S22, SE1/4 S15, S14, NW1/4 S26, S13, SW1/4 S12, S11.  42.5593 N, 108.83 W to 42.5498 N, 108.8806 W to 42.5762 N, 108.8647 W; GPS Reading.  
Adjacent to stream, dominated by graminoids and willows. Phenology: spores. 

Rob Massatti, 5281.  6/7/2006. 		USFS 851321	Barcode: USFS0035289
_________________________________________________________________________

555.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: 1 mi W of Ed Young Mountain; ca 14 air mi S of Lander.  Elev. 7250-8025 ft.
T31N R100W S34 NW1/4; also S27.  42.6312 N, 108.7688 W to 42.6218 N, 108.7797 W; GPS Reading.  
Riparian margins of river. Phenology: vegetative only. 

Rob Massatti, 5516.  6/8/2006. 		USFS 851322	Barcode: USFS0035290
_________________________________________________________________________

556.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: headwaters of Snowshoe Creek, ca 11 air mi W of Dubois.  Elev. 9530-9620 ft.
T41N R108W S17; also E1/2 S18.  43.5213 N, 109.8422 W to 43.5168 N, 109.8549 W; GPS Reading.  
Riparian margins of creek drainage dominated by willows and graminoids. Phenology: spores. 

Rob Massatti, 5574.  6/10/2006. 		USFS 851323	Barcode: USFS0035291
_________________________________________________________________________

557.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: Burnt Gulch to Freak Mountains, ca 10 air mi SSW of Lander.  Elev. 8550-9390 ft.
T31N R101W S11; also S13 and T31N R100W S18, N1/2 S19 and NW1/4 S20.  42.6717 N, 108.8666 W to 42.6476 N, 108.8371 W to 42.648 N, 108.8139 W to 42.6569 N, 108.8253 W; GPS Reading.  
Creek and riparian margins through lodgepole pine forest. Phenology: spores. 

Rob Massatti, 5862.  6/22/2006. 		USFS 851324	Barcode: USFS0035292
_________________________________________________________________________

558.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: Shoshone Lake, Shoshone Basin, and Cyclon Basin.  Elev. 9360-9750 ft.
T32N R102W S4; also S9, SW1/4 S10, NW1/4 S15; T33N R102W S34, W1/2 S35 and SW1/4 S26.  42.7761 N, 109.028 W to 42.7978 N, 109.0125 W to 42.7424 N, 109.0009 W; GPS Reading.  
Wet graminoid dominated riparian meadow. Phenology: vegetative only. 

Rob Massatti, 6122.  6/25/2006. 		USFS 851325	Barcode: USFS0035293
_________________________________________________________________________

559.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: Geyser Creek, Canyon Creek, and Geyser Peak, ca 7 air mi W of Dubois.  Elev. 9260-10520 ft.
T41N R108W S14 SE1/4; also S13 and S23.  43.5165 N, 109.7588 W to 43.5004 N, 109.7896 W; GPS Reading.  
Riparian margins of stream in mixed coniferous forest (lodgepole pine, whitebark pine, Engelmann spruce, and subalpine fir). Phenology: vegetative only. 

Rob Massatti, 6308.  6/28/2006. 		USFS 851317	Barcode: USFS0035285
_________________________________________________________________________

560.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: Pelham Lake, ca 17 air mi NW of Dubois.  Elev. 8790-8820 ft.
T43N R110W S13.  43.6874 N, 109.995 W to 43.6905 N, 109.995 W; GPS Reading.  
Riparian mixed coniferous lake margin. Phenology: vegetative only. 

Rob Massatti, 6562.  6/29/2006. 		USFS 851316	Barcode: USFS0035284
_________________________________________________________________________

561.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: ca 2 mi SE of Trout Creek Lake, ca 17 air mi WNW of Dubois.  Elev. 8860-9150 ft.
T42N R109W S16 W1/2; also SE1/4 S17.  43.6057 N, 109.9487 W to 43.5952 N, 109.9525 W; GPS Reading.  
Moss and graminoid dominated spring. Phenology: spores. 

Rob Massatti, 6786.  6/30/2006. 		USFS 851315	Barcode: USFS0035262
_________________________________________________________________________

562.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: Deep Creek and Echo Lakes, ca 21 air mi WSW of Lander.  Elev. 10060-10440 ft.
T32N R103W S23 NE1/4; also SE1/4 S14.  42.7346 N, 109.0905 W to 42.7405 N, 109.0994 W; GPS Reading.  
Drier margins of wet riparian meadow adjacent to lake. Phenology: vegetative only. 

Rob Massatti, 6920.  7/5/2006. 		USFS 851313	Barcode: USFS0035260
     with Meghan Taylor
_________________________________________________________________________

563.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: Upper Phillips Lake drainage to Shangrila Meadows, ca 6 air mi E of Downs Mountain.  Elev. 8800-10240 ft.
T39N R106W S27 N1/2; also W1/2 S26.  43.325 N, 109.5711 W to 43.3182 N, 109.5549 W to 43.3283 N, 109.5614 W; GPS Reading.  
Graminoid and willow dominated riparian meadow. Phenology: vegetative only. 

Rob Massatti, 8660.  8/8/2006. 		USFS 851314	Barcode: USFS0035261
     with Eric Everts
_________________________________________________________________________

564.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: Downs Fork Meadows, ca 6 air mi E of Downs Mountain.  Elev. 8940-9200 ft.
T38N R106W S11 NW1/4; also NE1/4 S10.  43.2851 N, 109.5562 W to 43.2797 N, 109.5656 W; GPS Reading.  
Wetland meadow dominated by willows and graminoids. Phenology: vegetative only. 

Rob Massatti, 8797.  8/18/2006. 		 851312	Barcode: USFS0035259
     with Rick Massatti
_________________________________________________________________________

565.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Montrose County: Uncompahgre Basin: San Juan Mountains: Buckhorn Lakes Park: north end of Cimarron Ridge at the base of Sawtooth Rocks, ca 16 air mi SE of Montrose; ca 14 air mi NNE of Ridgway.  Elev. 9720-9960 ft.
T47N R7W S16 NW1/4.  38.3286 N, 107.6414 W.  
Near ponds, marshes, and stream banks. Phenology: spores. 

B. E. Nelson, 43676.  6/21/1998. 		RM 
_________________________________________________________________________

566.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Montrose County: Uncompahgre Basin: just S of Cerro Summit on County Road P77, ca 4.8 air mi W of Cimarron; ca 13 air mi ESE of Montrose.  Elev. 7960-8040 ft.
T48N R7W S4 South1/4.  38.4456 N, 107.6414 W.  
Roadside, roadcut, fencerow below irrigation ditch. Phenology: vegetative only. 

B. E. Nelson, 43819.  6/21/1998. 		RM 
_________________________________________________________________________

567.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Saguache County: Southern Gunnison Basin: Sawatch Range: along Milkswitch Creek off of Forest Road 243, ca 7.9 air mi ESE of Sargents.  Elev. 9800 ft.
T48N R6E S26 SW1/4.  38.3751 N, 106.2781 W.  
Riparian. Phenology: vegetative only. 

Melanie Arnett, 1059.  6/27/1998. 		RM 
_________________________________________________________________________

568.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Gunnison County: Southern Gunnison Basin: along the east fork of Little Blue Creek for ca 0.3 road mi on County Road 867 from U.S. Hwy 50, ca 25.6 air mi ESE of Montrose at Halfway House.  Elev. 8200 ft.
T48N R5W S23.  38.3986 N, 107.4031 W.  
Roadside riparian. Phenology: vegetative only. 

Melanie Arnett, 1098.  6/29/1998. 		RM 
_________________________________________________________________________

569.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Gunnison County: Southern Gunnison Basin: San Juan Mountains: along Van Boxel Creek, ca 2.4 air mi SSE of Butte Rock; ca 17.3 air mi NE of Ridgway.  Elev. 9120-9320 ft.
T47N R6W S26 SE1/4; also NE1/4 S35.  38.2994 N, 107.4936 W.  
Heavily wooded riparian. Phenology: spores. 

Melanie Arnett, 1159.  6/29/1998. 		RM 
_________________________________________________________________________

570.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Ferris Mountains: north side access from Cherry Creek or BLM Road 3147, ca 8.7 air mi W of Three Forks Junction; ca 34 air mi N of Rawlins.  Elev. 7700 ft.
T27N R88W S23.  42.2963 N, 107.3185 W.  
Along stream in limber pine/subalpine fir forest. Phenology: vegetative only. 

Amy J. Roderick, 2413.  7/16/1997. 		RM 665631	Barcode: RM0125568
_________________________________________________________________________

571.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Gunnison County: Southern Gunnison Basin: San Juan Mountains: along Little Cimarron River to the south tip of High Mesa along Alpine Trail No. 225, ca 16 air mi WNW of Ridgway.  Elev. 9560-11120 ft.
T46N R6W S25 N1/2; also T46N R5W SW1/4 S20.  38.2116 N, 107.4752 W.  
Riparian. Phenology: spores. 

Melanie Arnett, 1222.  6/30/1998. 		RM 
_________________________________________________________________________

572.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Gunnison County: Southern Gunnison Basin: Sawatch Range: along Agate Creek near the Agate Creek Campground, ca 3 air mi NE of Sargents; ca 7.2 air mi W of Chipeta Mountain.  Elev. 8800-9200 ft.
T48N R5E S2 South1/4; also N1/2 S11.  38.4304 N, 106.3894 W.  
Mixed conifer/aspen riparian. Phenology: vegetative only. 

Melanie Arnett, 1759.  7/16/1998. 		RM 
_________________________________________________________________________

573.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Gunnison County: Southern Gunnison Basin: Sawatch Range: along Agate Creek near the Agate Creek Campground, ca 3 air mi NE of Sargents; ca 7.2 air mi W of Chipeta Mountain.  Elev. 8800-9200 ft.
T48N R5E S2 South1/4; also N1/2 S11.  38.4304 N, 106.3894 W.  
Mixed conifer/aspen riparian. Phenology: vegetative only. 

Melanie Arnett, 1806.  7/16/1998. 		RM 
_________________________________________________________________________

574.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Hinsdale County: Southern Gunnison Basin: San Juan Mountains: ca 1 air mi SE of Courthouse Mountain; ca 10.6 air mi WSW of Ridgway along Forest Road 860.  Elev. 10320-10690 ft.
T45N R6W S20 SW1/4; also W1/4 S29; also E1/2 S30.  38.1167 N, 107.5542 W; NAD 83, uncertainty 1 mi., Nat. Geog. TOPO!.  
Meadow with creek. Phenology: vegetative only. 

Melanie Arnett, 1919a.  7/19/1998. 		RM 
_________________________________________________________________________

575.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Saguache County: Southern Gunnison Basin: Cochetopa Hills: ca 1.8 air mi N of Needle Creek Reservoir; ca 4.9 air mi E of Lions Head; ca 7.7 air mi WSW of Sargents along Needle Creek.  Elev. 8460-8680 ft.
T48N R4E S32.  38.3755 N, 106.5547 W.  
Riparian. Phenology: vegetative only. 

Melanie Arnett, 2115.  7/21/1998. 		RM 
_________________________________________________________________________

576.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Hinsdale County: Southern Gunnison Basin: San Juan Mountains: ca 1 road mi W of the Sherman townsite; ca 3.5 air mi ESE of Handies Peak; ca 11.3 air mi SW of Lake City along Cottonwood Creek.  Elev. 9680-9840 ft.
T42N R5W S17 N1/2.  37.8928 N, 107.4399 W.  
Riparian in aspen/fir forest. Phenology: vegetative only. 

Melanie Arnett, 2333.  7/28/1998. 		RM 
_________________________________________________________________________

577.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Hinsdale County: Southern Gunnison Basin: San Juan Mountains: ca 0.2 air mi W of confluence of Matterhorn Creek and North Fork Henson Creek; ca 9.9 air mi W of Lake City along North Fork Henson Creek.  Elev. 10400 ft.
T44N R6W S34 N1/2.  38.019 N, 107.5072 W.  
Roadside riparian. Phenology: vegetative only. 

Melanie Arnett, 2515.  8/2/1998. 		RM 
_________________________________________________________________________

578.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Saguache County: Southern Gunnison Basin: ca 4.3 air mi NW of Razor Creek Dome; ca 8 air mi NE of Agency Peak; ca 20 air mi WSW of Sargents along Colo Hwy 114.  Elev. 8300 ft.
T47N R2E S8 NW1/4.  38.3463 N, 106.7726 W.  
Roadside riparian. Phenology: vegetative only. 

Melanie Arnett, 2766.  8/7/1998. 		RM 
_________________________________________________________________________

579.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Ouray County: Uncompahgre Basin: San Juan Mountains: N of County Road 8 (Forest Road 858) to Nate Creek, ca 3.5-4 air mi NW of Courthouse Mountain; ca 9.5 road mi to U.S. Hwy 550.  Elev. 8480-8640 ft.
T45N R7W S3 N1/2.  38.1824 N, 107.6229 W.  
Moist Quercus/aspen/Prunus woodland to spruce/fir dominated creek bottom. Phenology: vegetative only. 

Melanie Arnett, 307.  6/14/1998. 		RM 
_________________________________________________________________________

580.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Saguache County: Southern Gunnison Basin: Cochetopa Hills: along Milk Creek to Sawmill Park, ca 5.5 air mi SE of Sargents; ca 6.2 air mi ENE of Baldy Lake.  Elev. 9760-10640 ft.
T47N R5E S12 E1/2; also NE1/4 S13.  38.3337 N, 106.3708 W.  
Forest to subalpine meadow. Phenology: vegetative only. 

Melanie Arnett, 3197.  8/15/1998. 		RM 
_________________________________________________________________________

581.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Hinsdale County: Southern Gunnison Basin: San Juan Mountains: along County Road 20 and Henson Creek, ca 0.6 road mi from intersection of Bluff Street in Lake City; ca 3.1 air mi SE of Crystal Peak; 3 air mi N of Red Mountain.  Elev. 8720 ft.
T44N R4W S33 NW1/4.  38.0207 N, 107.3299 W.  
Streambank; brushy canyon bottom with Salix and cottonwoods. Phenology: vegetative only. 

Melanie Arnett, 357.  6/16/1998. 		RM 
     with B. E. Nelson
_________________________________________________________________________

582.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Hinsdale County: Southern Gunnison Basin: San Juan Mountains: along Silver Creek to the summit of Redcloud Peak, ca 8-10 air mi SW of Lake City; ca 8.5 air mi S of Uncompahgre Peak.  Elev. 10425-11200 ft.
T43N R5W S33 NE1/4; also South1/2 S28, South1/2 S29; also South1/2 S31.  37.9361 N, 107.4216 W.  
Forested canyon. Phenology: vegetative only. 

Melanie Arnett, 3642.  8/20/1998. 		RM 
_________________________________________________________________________

583.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Hinsdale County: Southern Gunnison Basin: San Juan Mountains: ca 7 air mi N of Lake City along Devils Creek and Lake Fork Gunnison River; ca 7 air mi NE of Crystal Peak.  Elev. 8400-8520 ft.
T45N R4W S23 SE1/4; also NE1/4 S26.  38.1359 N, 107.2904 W.  
Heavily vegetated riparian of Devils Creek. Phenology: vegetative only. 

Melanie Arnett, 418.  6/16/1998. 		RM 
     with B. E. Nelson
_________________________________________________________________________

584.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Gunnison County: Southern Gunnison Basin: San Juan Mountains: ca 17.7 air mi NE of Lake City along Cebolla Creek and adjacent west-facing slope; ca 2.5 road mi N of Hinsdale County on County Road 27.  Elev. 8400-8680 ft.
T45N R2W S1 NW1/4.  38.1796 N, 107.0462 W.  
Banks of creek; no willows, only Alnus. Phenology: vegetative only. 

Melanie Arnett, 501.  6/18/1998. 		RM 
_________________________________________________________________________

585.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Gunnison County: Southern Gunnison Basin: San Juan Mountains: ca 21.5 air mi NNE of Lake City along Milkranch Gulch and adjacent west- and north-facing slopes; ca 1/4 road mi E of intersection of County Road 27 and Colo Hwy 149; on S side of road.  Elev. 8200-8480 ft.
T47N R2W S28 South1/2.  38.2964 N, 107.1026 W.  
Heavily vegetated roadside gulch. Phenology: vegetative only. 

Melanie Arnett, 522.  6/18/1998. 		RM 
_________________________________________________________________________

586.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Saguache County: Southern Gunnison Basin: ca 17.5 air mi SE of Gunnison along Razor Creek; ca 1/4 road mi N of intersection with County Road WW-13 on County Road 14-PP.  Elev. 8360 ft.
T48N R3E S31 NW1/4.  38.3755 N, 106.6818 W.  
Disturbed riparian. Phenology: vegetative only. 

Melanie Arnett, 592.  6/18/1998. 		RM 
_________________________________________________________________________

587.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Ouray County: Uncompahgre Basin: San Juan Mountains: Trail 217 along Cutler Creek, ca 6.5-7 air mi N of Ouray; ca 2.4 air mi SE of Baldy Peak.  Elev. 8600-9400 ft.
T44N R7W S7 NE1/4; also N1/2 S8 and NW1/4 S9.  38.0792 N, 107.6716 W.  
Aspen/mixed conifer mountain streamside. Phenology: vegetative only. 

Melanie Arnett, 667.  6/20/1998. 		RM 
_________________________________________________________________________

588.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Gunnison County: Southern Gunnison Basin: San Juan Mountains: ca 13.5 air mi NNW of Lake City along Big Blue Creek just S of its confluence with Soldier Creek.  Elev. 9600 ft.
T46N R5W S24 W1/2.  38.2234 N, 107.3843 W.  
Riparian (beaver dam system and creek). Phenology: vegetative only. 

Melanie Arnett, 849.  6/25/1998. 		RM 
_________________________________________________________________________

589.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Gunnison County: Southern Gunnison Basin: San Juan Mountains: ca 13.5 air mi NNW of Lake City along Big Blue Creek just S of its confluence with Soldier Creek.  Elev. 9600 ft.
T46N R5W S24 W1/2.  38.2234 N, 107.3843 W.  
Riparian (beaver dam system and creek). Phenology: vegetative only. 

Melanie Arnett, 850.  6/25/1998. 		RM 
_________________________________________________________________________

590.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Gunnison County: Southern Gunnison Basin: San Juan Mountains: ca 10.2 air mi N of Lake City along Forest Road 868; ca 8 air mi WNW of Powderhorn Lakes; ca 1 air mi N of confluence of Elk Creek and Little Elk Creek.  Elev. 9560-9800 ft.
T45N R4W S4 E1/2.  38.1796 N, 107.328 W.  
Aspen grove on east-facing slope. Phenology: vegetative only. 

Melanie Arnett, 920.  6/25/1998. 		RM 
_________________________________________________________________________

591.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Gunnison County: Southern Gunnison Basin: ca 1.3 air mi NE of Tolvar Peak; ca 6 air mi NW of Soderquist Reservoir; ca 13.8 air mi NNE of Powderhorn Lakes.  Elev. 7900-9280 ft.
T47N R2W S17 South1/2; also SW1/4 S16.  38.3245 N, 107.1214 W.  
Lower rocky canyon slopes and riparian. Phenology: vegetative only. 

Melanie Arnett, 4337.  6/18/1999. 		RM 750953
_________________________________________________________________________

592.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Gunnison County: Southern Gunnison Basin: San Juan Mountains: Uncompahgre National Forest: Cimarron Ridge at Owl Pass and NE to the West Fork Cimarron River, ca 4.3 air mi SSW of Silver Jack Reservoir; ca 11 air mi E of Ridgway.  Elev. 9760-10280 ft.
T45N R6W S7 SE1/4; also SW1/4 S8.  38.167 N, 107.5674 W.  
Moist aspen/spruce forest. Phenology: spores. 

Melanie Arnett, 4725.  6/28/1999. 		RM 750952
_________________________________________________________________________

593.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Saguache County: Southern Gunnison Basin: Cochetopa Hills: Gunnison National Forest: Indian Creek, ca 2 air mi WSW of Pinnacle Mine; ca 4.5 air mi ESE of Sargents; ca 7 air mi S of Monarch Pass.  Elev. 9240-9860 ft.
T48N R6E S20 SW1/4.  38.3898 N, 106.3338 W.  
Riparian. Phenology: vegetative only. 

Melanie Arnett, 5229.  7/15/1999. 		RM 750951
_________________________________________________________________________

594.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Gunnison County: Southern Gunnison Basin: San Juan Mountains: Gunnison National Forest: Trail 229 along Little Cimarron River for ca 1.5 mi from County Road 864, ca 2-3.5 air mi N of Sheep Mountain.  Elev. 9800-10000 ft.
T48N R5W S29 W1/2; also NW1/4 S32.  38.3828 N, 107.4594 W.  
Abandoned road in spruce/fir forest. Phenology: vegetative only. 

Melanie Arnett, 5845.  7/29/1999. 		RM 750950
     with Kevin Taylor
_________________________________________________________________________

595.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Hinsdale County: Southern Gunnison Basin: San Juan Mountains: along the Grizzly Gulch Trail from ca 0.5-0.6 mi from trailhead, ca 1.1-1.7 air mi E-ENE of Whitecross Mountain.  Elev. 10440-11120 ft.
T43N R5W S31 SW1/4; also T43N R6W S1 NE1/4.  37.9356 N, 107.4584 W.  
Spruce forest and avalanche meadows. Phenology: vegetative only. 

Melanie Arnett, 6220.  8/3/1999. 		RM 750949
_________________________________________________________________________

596.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Saguache County: Southern Gunnison Basin: Cochetopa Hills: Gunnison National Forest: along Needle Creek and Forest Road 781 on south side of Needle Creek Reservoir, ca 2.3 air mi WSW of Green Mountain; ca 1 air mi SSW of Needle Rock.  Elev. 8820-8880 ft.
T47N R4E S7 SE1/4.  38.3468 N, 106.5728 W.  
Aspen forest/riparian. Phenology: vegetative only. 

Melanie Arnett, 6487.  8/7/1999. 		RM 750948
_________________________________________________________________________

597.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Hinsdale County: Southern Gunnison Basin: San Juan Mountains: La Garita Wilderness: heading S on west side of Mineral Creek from northern boundary of Wilderness for ca 1.5 mi, ca 1.2-2.2 air mi S-SSW of Dry Lake; ca 14 air mi E of Lake City.  Elev. 9240-9440 ft.
T44N R2W S23 SE1/4; also E1/2 S26.  38.0512 N, 107.0558 W.  
Lower portion of grassy, open canyon slopes (with intermittent ponderosa and bristle cone pines, and spruce). Phenology: vegetative only. 

Melanie Arnett, 6606.  8/10/1999. 		RM 750947
_________________________________________________________________________

598.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Hinsdale County: Southern Gunnison Basin: San Juan Mountains: La Garita Wilderness: along east side of Mineral Creek on trail, from ca 2.8-4.2 air mi S of Dry Lake; ca 1.8-2.7 air mi W-SW of Mineral Mountain.  Elev. 9600-10360 ft.
T44N R2W S36 SE1/4; also T43N R2W S1 and NE1/4 S12.  
Forested canyon floor and riparian areas. Phenology: vegetative only. 

Melanie Arnett, 6733.  8/10/1999. 		RM 750888
_________________________________________________________________________

599.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Gunnison County: Southern Gunnison Basin: San Juan Mountains: Uncompahgre National Forest: on Trail 232 along Big Blue Creek, ca 1.6-2.1 air mi ENE of Fall Creek Falls; ca 1-2.6 air mi S of northern Uncompahgre Wilderness Boundary.  Elev. 9800-10015 ft.
T45N R5W S1 NW1/4; 2.  38.1786 N, 107.3843 W.  
Aspen/spruce forest and riparian area. Phenology: vegetative only. 

Melanie Arnett, 7319.  8/23/1999. 		RM 750887
_________________________________________________________________________

600.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Saguache County: Southern Gunnison Basin: San Juan Mountains: Gunnison National Forest: La Garita Wilderness: along the Stewart Creek Trail ca 1.2-1.6 mi NNW-NNE of Organ Mountain, ca 1.3-2.2 air mi ENE of Baldy Alto.  Elev. 11200-11640 ft.
T43N R1E S5 N1/2.  38.0079 N, 106.8911 W.  
Canyon. Phenology: vegetative only. 

Melanie Arnett, 7628.  8/26/1999. 		RM 750886
_________________________________________________________________________

601.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Hinsdale County: Southern Gunnison Basin: San Juan Mountains: S along the Alpine Gulch Trail for ca 1 mi from trailhead at County Road 20, ca 2.5-3 air mi WSW of Lake City.  Elev. 9000-9400 ft.
T44N R4W S31 SE1/4; also T43N R5W S1 E1/4 and NE1/4 S12.  38.0204 N, 107.3669 W.  
Canyon and riparian areas. Phenology: vegetative only. 

Melanie Arnett, 7795.  8/29/1999. 		RM 750885
_________________________________________________________________________

602.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Hinsdale County: Southern Gunnison Basin: ca 0.5 air mi WSW of Grassy Mountain along and around East Fork Williams Creek to ca 0.3 air mi N of confluence of East Fork and Williams creeks; ca 5.5-7 air mi SSW of Lake City.  Elev. 9800-12000 ft.
T43N R4W S30 SW1/4; also S31 and T42N R4W S5 W1/4.  37.9501 N, 107.3486 W.  
Forest and riparian areas. Phenology: vegetative only. 

Melanie Arnett, 7973.  8/30/1999. 		RM 750884
_________________________________________________________________________

603.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Sierra Madre Mountains; ca 14 air mi SW of Encampment, ca 29 air mi ENE of Dixon, along Slomon Creek.  Elev. 9100 ft.
T13N R85W S32.  41.055 N, 106.9742 W; uncertainty 1 mi..  
Along stream and wet areas. Phenology: vegetative only. 

B. E. Nelson, 4048.  7/18/1979. 		RM 329393	Barcode: RM0125509
     with William Blunt
_________________________________________________________________________

604.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: 1.3 mi E of South Brush Creek Campground along South Brush Creek.  Elev. 8100 ft.
T16N R81W S23 NW1/4.  41.339 N, 106.4745 W; uncertainty 0.5 mi..  
In gravelly soil at the edge of the road. Frequent. Phenology: spores. 

B. E. Nelson, 446.  6/8/1973. 		RM 296017	Barcode: RM0125454
     with Linda Nelson
_________________________________________________________________________

605.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: 1.2 mi from Wyo Hwy 130 along South Brush Creek.  Elev. 7800 ft.
T16N R81W S21 NW1/4.  41.3438 N, 106.5079 W; uncertainty 700 ft., Nat. Geog. TOPO!.  
In wet sandy loam under fir beside the creek with Pyrola and Streptopus. Abundant. Phenology: vegetative only. 

B. E. Nelson, 679.  7/11/1973. 		RM 296018
_________________________________________________________________________

606.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: 3.3 mi from Wyo Hwy 130 on North French Creek Road.  Elev. 8900 ft.
T15N R81W S1 SW1/4.  41.2914 N, 106.4505 W; NAD 83, uncertainty 700 ft., Nat. Geog. TOPO!.  
In sandy-gravelly soil on edge of the road. Abundant. Phenology: vegetative only. 

B. E. Nelson, 928.  8/9/1973. 		RM 296016	Barcode: RM0125507
_________________________________________________________________________

607.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Big Horn County: Hyattville.  Elev. 4500 ft.
T49N R89W S6.  44.2475 N, 107.5907 W; uncertainty 2 mi..  
A weed in hay fields. Phenology: vegetative only. 

Jack Lowry, 4.  6/14/1960. 		RM 36388	Barcode: RM0125268
_________________________________________________________________________

608.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Gas Hills Mining District; ca 7.0 air mi ENE of Junction of Wyo Hwy 136 and Ore Road (main road through the Gas Hills Mining District).  Elev. 6650-6820 ft.
T33N R89W S4.  42.8584 N, 107.5128 W; uncertainty 1 mi..  
Aspen stands at spring. Phenology: vegetative only. 

June Haines, 4369.  6/21/1985. 		RM 384818	Barcode: RM0125460
_________________________________________________________________________

609.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Big Camp Creek Area, ca 6 air mi WSW of Muddy Gap Junction (Three Forks).  Elev. 6800 ft.
T27N R90W S2; also S1 and S3.  42.3397 N, 107.5522 W; uncertainty 3 mi..  
Moist stream banks. Phenology: vegetative only. 

June Haines, 4690b.  7/4/1985. 		RM 384819	Barcode: RM0125452
     with Georgia Haines and Nora Little
_________________________________________________________________________

610.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Sweetwater River, S of bridge across River on Agate Flats Road, ca 9.5 air mi ENE of Jeffrey City.  Elev. 6180 ft.
T29N R90W S5; also S6.  42.5112 N, 107.6321 W; uncertainty 2 mi..  
Dry, sandy soil above river bank. Phenology: vegetative only. 

June Haines, 7112.  8/30/1986. 		RM 384820	Barcode: RM0125453
     with Georgia Haines
_________________________________________________________________________

611.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: ca 1/2 air mi ESE of Brooklyn Lake, near plot 211.  Elev. 10520 ft.
T16N R79W S11 NE1/4 of SW1/4.  41.3689 N, 106.2328 W; uncertainty 0.5 mi..  
Moist form meadow. Phenology: vegetative only. 

June Haines, 9448.  8/31/1991. 		RM 575156	Barcode: RM0125444
     with Claudia Regan, Deana Hopkins, and Phil Robertson
_________________________________________________________________________

612.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: ca 1/2 air mi ESE of Brooklyn Lake, between plots 213 and 212.  Elev. 10530 ft.
T16N R79W S11; S11 near center.  41.3689 N, 106.2328 W; uncertainty 1 mi..  
Wet form meadow at edge of marsh. Phenology: vegetative only. 

June Haines, 9662.  8/13/1991. 		RM 575157	Barcode: RM0125445
     with Tom Fletchall
_________________________________________________________________________

613.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Stratton Hydrology Study Area: Sane Creek Bottom.  Elev. 7000-8000 ft.
T17N R87W S25.  41.4179 N, 107.1376 W; uncertainty 1 mi..  
Sagebrush rangeland. Phenology: vegetative only. 

Max H. Schroeder, s.n..  8/10/1976. 		RM 338008	Barcode: RM0125515
     with Gary L. Ranck
_________________________________________________________________________

614.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Lincoln County: Snake River Canyon.  Elev. 5800 ft.
T37N R117W S8; also S7, S9, and S10.  43.1967 N, 110.9045 W; NAD 83, uncertainty 1 mi., Nat. Geog. TOPO!.  
Creek bank associated with Epilobium and Taraxacum; common. Phenology: vegetative only. 

Robert D. Dorn, 1276.  6/21/1971. 		RM 288705	Barcode: RM0125296
_________________________________________________________________________

615.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sweetwater County: Red Creek at Richards Gap.  Elev. 6500 ft.
T12N R105W S22.  41.0105 N, 109.2274 W; NAD 83, uncertainty .5 mi., Nat. Geog. TOPO!.  
Sandy wash associated with Juncus; sparce abundance. Phenology: vegetative only. 

Robert D. Dorn, 1316.  7/2/1971. 		RM 288709	Barcode: RM0125925
_________________________________________________________________________

616.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Uinta County: Wasatch National Forest.  Elev. 9000 ft.
T12N R115W S18.  41.0193 N, 110.4198 W; NAD 83, uncertainty .5 mi., Nat. Geog. TOPO!.  zone 26.  
Pond edge associated with Carex and Salix; common. Phenology: spores. 

Robert D. Dorn, 1326.  7/3/1971. 		RM 288712	Barcode: RM0125295
_________________________________________________________________________

617.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Near confluence of Snowshoe Creek and Warm Springs Creek.  Elev. 8200 ft.
T42N R108W S29.  43.5771 N, 109.838 W; NAD 83, uncertainty 1 mi., Nat. Geog. TOPO!.  
Stream bank associated with Frageria; common. Phenology: spores. 

Robert D. Dorn, 1344.  7/18/1971. 		RM 288637	Barcode: RM0125400
_________________________________________________________________________

618.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Crook County: Bear Lodge Mountains: Beaver Creek.  Elev. 5000 ft.
T63N R53W S25.  44.5503 N, 104.49 W; NAD 83, uncertainty 8 mi., Nat. Geog. TOPO!.  
Seepage area associated with Carex and Juncus; sparce abundance. Phenology: vegetative only. 

Robert D. Dorn, 1452.  8/29/1971. 		RM 288716	Barcode: RM0125285
_________________________________________________________________________

619.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Crook County: Sand Creek.  Elev. 3600 ft.
T42N R60W S8.  43.6283 N, 104.0936 W; NAD 83, uncertainty 0.5 mi., Nat. Geog. TOPO!.  
Stream bank with Vitis and Toxicodendron. Phenology: vegetative only. 

Robert D. Dorn, 3758.  7/25/1982. 		RM 339472	Barcode: RM0125284
_________________________________________________________________________

620.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Mount Leidy Highland Area: Ditch Creek Road (FS 30350), ca 3 road mi NE of Forest boundary.  Elev. 7400-7800 ft.
T43N R114W S8.  43.706 N, 110.5565 W; uncertainty 1 mi..  
Steep slope with lodgepole pines and open ridge. Phenology: spores. 

Ronald L. Hartman, 50977.  6/22/1995. 		 655433	Barcode: RM0125371
_________________________________________________________________________

621.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Mount Leidy Highland Area: Ditch Creek Road (FS 30350), ca 3 road mi NE of Forest boundary.  Elev. 7400-7800 ft.
T43N R114W S8.  43.706 N, 110.5565 W; uncertainty 1 mi..  
Steep slope with lodgepole pines and open ridge. Phenology: vegetative only. 

Ronald L. Hartman, 50984.  6/22/1995. 		 655447	Barcode: RM0125379
_________________________________________________________________________

622.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Mount Leidy Highland Area: Gros Ventre River Road, ca 2 air mi E of Forest boundary, just W to overlooking Lower Slide Lake, on the north side.  Elev. 7200-7800 ft.
T43N R113W S33.  43.6484 N, 110.4171 W; uncertainty 1 mi..  
Moist stream banks, aspen groves, and ridge tops. Phenology: spores. 

Ronald L. Hartman, 51320.  6/26/1995. 		 655446	Barcode: RM0125380
_________________________________________________________________________

623.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Mount Leidy Highland Area: Spread Creek, ca 5 air mi SW of Black Rock Ranger Station.  Elev. 7300-7500 ft.
T44N R113W S16.  43.778 N, 110.4171 W; uncertainty 1 mi..  
Bluffs overlooking creek, often sandy, slopes and along creek, and wooded areas. Phenology: vegetative only. 

Ronald L. Hartman, 51779.  7/14/1995. 		 655445	Barcode: RM0125381
_________________________________________________________________________

624.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Mount Leidy Highland Area: South Fork Spread Creek, 1-2 air mi S of Lily Lake.  Elev. 8000-8100 ft.
T44N R112W S20 South1/2; also N1/2 S29.  43.7636 N, 110.3175 W; uncertainty 1 mi..  
Valley floor and lower slopes. Phenology: fruiting. 

Ronald L. Hartman, 51877.  7/14/1995. 		 655444	Barcode: RM0125382
_________________________________________________________________________

625.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Mount Leidy Highland Area: South Fork Spread Creek, 1-2 air mi S of Lily Lake.  Elev. 8000-8100 ft.
T44N R112W S20 South1/2; also N1/2 S29.  43.7636 N, 110.3175 W; uncertainty 1 mi..  
Valley floor and lower slopes. Phenology: spores. 

Ronald L. Hartman, 51940.  7/14/1995. 		 655443	Barcode: RM0125383
_________________________________________________________________________

626.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Mount Leidy Highland Area: ca 5.5 air mi S of Moran.  Elev. 2300-2400 ft.
T44N R114W S22.  43.7633 N, 110.5197 W; NAD 83, uncertainty 0.5 mi., Nat. Geog. TOPO!.  
Clearcuts, lake margin, and sagebrush grassland. Phenology: vegetative only. 

Ronald L. Hartman, 51992.  7/16/1995. 		 655442	Barcode: RM0125384
_________________________________________________________________________

627.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Mount Leidy Highland Area: Gunsight Pass to Sohare Creek.  Elev. 8500-8900 ft.
T42N R112W S11.  43.6196 N, 110.2577 W.  
Open areas. Phenology: vegetative only. 

Ronald L. Hartman, 52596.  7/24/1995. 		 655439	Barcode: RM0125387
_________________________________________________________________________

628.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Mount Leidy Highland Area: Burnt Creek and ridge to east.  Elev. 7200-8200 ft.
T42N R112W S30; also S31.  43.5764 N, 110.3374 W; uncertainty 2 mi..  
Phenology: vegetative only. 

Ronald L. Hartman, 52829.  7/24/1995. 		 655438	Barcode: RM0125388
_________________________________________________________________________

629.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Mount Leidy Highland Area: head of Dry Cottonwood Creek.  Elev. 8900-9000 ft.
T42N R112W S4 SE1/4.  43.634 N, 110.2975 W; uncertainty 0.5 mi..  
Wooded areas, streamside, and meadows. Phenology: vegetative only. 

Ronald L. Hartman, 53318.  8/12/1995. 		 655437	Barcode: RM0125367
_________________________________________________________________________

630.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Mount Leidy Highland Area: Black Rock Creek and adjacent hills, 0.5 air mi W of the east end of Forest Road 100.  Elev. 9000-9100 ft.
T44N R111W S4 NW1/4.  43.8069 N, 110.178 W; uncertainty 0.5 mi..  
Open slopes and stream. Phenology: vegetative only. 

Ronald L. Hartman, 53545.  8/13/1995. 		 655436	Barcode: RM0125368
_________________________________________________________________________

631.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Mount Leidy Highland Area: Grouse Mountain, southern slope.  Elev. 8000-8800 ft.
T43N R112W S11.  43.706 N, 110.2577 W; uncertainty 1 mi..  
Grassy and wooded slopes. Phenology: vegetative only. 

Ronald L. Hartman, 53566.  8/15/1995. 		 655435	Barcode: RM0125369
_________________________________________________________________________

632.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Mount Leidy Highland Area: highland N of lower Gros Ventre drainage and S of Slate Creek, Carmichael Fork of Slate Creek; ca 4 air mi N of Crystal Creek Campground.  Elev. 6900-7100 ft.
T43N R113W S27.  43.6628 N, 110.3971 W; uncertainty 1 mi..  
Streamside. Phenology: vegetative only. 

Ronald L. Hartman, 53831.  8/16/1995. 		 655434	Barcode: RM0125370
_________________________________________________________________________

633.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Montezuma County: Upper Dolores River Drainage and Adjacent Areas: San Juan National Forest: ca 11 air mi NE of Mancos, Forest Road 561.  Elev. 9400-9600 ft.
T37N R12W S9.  37.4791 N, 108.1865 W.  
Montane; aspen, spruce, and Salix along creeks, and late snow melts; west-facing. Phenology: fruiting. 

Lynn Marie Moore, 4983.  6/5/1995. 		 
_________________________________________________________________________

634.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: First Sand Creek and ridge to west, ca 7.2 air mi N of Elk Mountain townsite; ca 15.2 air mi SE of Hanna.  Elev. 7100 ft.
T21N R80W S16.  41.7912 N, 106.4109 W.  
Dry to muddy creek bed and embankments. Phenology: vegetative only. 

Amy J. Roderick, 2543.  7/20/1997. 		RM 665630	Barcode: RM0125569
_________________________________________________________________________

635.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Montrose County: Upper Dolores River Drainage and Adjacent Areas: Slick Rock Canyon, ca 19 air mi W of Naturita, at mouth of Spring Canyon and surrounding areas northside of Dolores River.  Elev. 5100-5200 ft.
T46N R18W S19; also T46N R19W S25.  38.2263 N, 108.8976 W.  
Salix, Fraxinus, Tamarisk, and pinyon-juniper on a west facing side canyon. Phenology: vegetative only. 

Lynn Marie Moore, 6381.  7/5/1995. 		 
_________________________________________________________________________

636.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Dolores County: Upper Dolores River Drainage and Adjacent Areas: Lone Cone State Wildlife Area: E of County Road 31.00, ca 25 air mi N of Dolores at Morrison Creek.  Elev. 8000-8600 ft.
T41N R13W S4.  37.8429 N, 108.3059 W.  
Aspen, spruce, douglas fir, and riparian area around creek. Phenology: vegetative only. 

Lynn Marie Moore, 7249.  7/16/1995. 		 
     with Sierra Smith
_________________________________________________________________________

637.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Dolores County: Upper Dolores River Drainage and adjacent areas: San Juan National Forest: Forest Trail 647, ca 7.5 air mi NW of Rico in the Fish Creek Drainage Area.  Elev. 9200-9600 ft.
T41N R12W S23; also S26.  37.7994 N, 108.1593 W.  
Aspen, spruce, and riparian area along creek and meadows on east-face of canyon, cinquefoil, graminoids; spruce-fir on west face of canyon. Phenology: vegetative only. 

Lynn Marie Moore, 7648.  7/28/1995. 		 
     with Sierra Smith
_________________________________________________________________________

638.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Dolores County: Upper Dolores River Drainage and Adjacent Areas: San Juan National Forest: ca 5 air mi NW of Rico, NW of Dunton Guard Station, south side of Cold Creek Drainage.  Elev. 9000-9200 ft.
T41N R11W S28.  37.7849 N, 108.086 W.  
Aspen, spruce, snowberry, and Salix on a southeast face. Phenology: vegetative only. 

Lynn Marie Moore, 7955.  7/30/1995. 		 
_________________________________________________________________________

639.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Dolores County: Upper Dolores River Drainage and Adjacent Areas: San Juan National Forest: ca 5 air mi NW of Rico along Geyser Creek Trail, Forest Trail 648.  Elev. 8600-9200 ft.
T40N R11W S6.  37.7571 N, 108.1139 W.  
Aspen, spruce, snowberry, larkspur, and riparian area along creek and natural geyser, northwest face. Phenology: vegetative only. 

Lynn Marie Moore, 8277.  8/1/1995. 		 
     with Sierra Smith
_________________________________________________________________________

640.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Jackson County: Sierra Madre/Park Ranges: Park Range: ca 6.5 air mi SSE of Mount Ethel.  Elev. 8700-8800 ft.
T7N R82W S20; also S21.  
Streamside. 

Nancy Kastning, 1334.  8/18/1988. 		 
     with Sunny & Joel Kastning
_________________________________________________________________________

641.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Jackson County: Sierra Madre/Park Ranges: Park Range: ca 13.5 air mi NE of Steamboat Springs.  Elev. 8700-8900 ft.
T7N R82W S17; also S20; also S21.  
Streamside alluvium. 

Nancy Kastning, 1434.  5/22/1989. 		 
_________________________________________________________________________

642.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Jackson County: Sierra Madre/Park Ranges: Park Range: ca 23 air mi NW of Walden by Big Creek Falls.  Elev. 9100-9400 ft.
T11N R82W S19; also S20.  
Wet areas. 

Nancy Kastning, 1769.  6/20/1989. 		 
_________________________________________________________________________

643.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Jackson County: Sierra Madre/Park Ranges: Park Range: ca 23 air mi NW of Walden by Big Creek Falls.  Elev. 9100-9400 ft.
T11N R82W S19; also S20.  
Wet areas. 

Nancy Kastning, 1772.  6/20/1989. 		 
_________________________________________________________________________

644.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Jackson County: Sierra Madre/Park Ranges: Park Range: ca 19 air mi W of Walden.  Elev. 8920-9400 ft.
T9N R82W S16.  
Boggy areas. 

Nancy Kastning, 1797.  6/21/1989. 		 
_________________________________________________________________________

645.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Routt County: Sierra Madre/Park Ranges: Park Range: ca 15.5 air mi N of Steamboat Springs.  Elev. 8120-8200 ft.
T9N R84W S30.  
Creekside. 

Nancy Kastning, 2752.  8/27/1989. 		 
_________________________________________________________________________

646.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Wetlands and Adjacent Areas: Carr Reservoir on Twin Creek along Twin Creek or County Road 19, ca 17 air mi SE of Lander.  Elev. 5850-5900 ft.
T31N R98W S13 NW1/4 of NW1/4.  42.6693 N, 108.5002 W; GPS Reading.  
Bluffs along the reservoir. Phenology: vegetative only. 

B. E. Nelson, 65396.  6/17/2005. 		RM 
_________________________________________________________________________

647.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Wetlands and Adjacent Areas: along Twin Creek and Twin Creek or County Road 19 at the west base of Sheep Mountain, ca 19-19.5 air mi SE of Lander.  Elev. 6070-6120 ft.
T31N R98W S36 W1/2.  42.6166 N, 108.4933 W to 42.6198 N, 108.4952 W; GPS Reading.  
Bench along the stream. Phenology: vegetative only. 

B. E. Nelson, 65466.  6/17/2005. 		RM 
_________________________________________________________________________

648.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Wetlands and Adjacent Areas: Encampment River, ca 1.5 air mi S of Encampment.  Elev. 7204 ft.
T14N R84W S13 NW1/4.  41.1833 N, 106.7964 W; GPS Reading.  
Moist banks and flood plains. Phenology: vegetative only. 

Rachel Newton, 1023.  6/26/2005. 		RM 
_________________________________________________________________________

649.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Wetlands and Adjacent Areas: confluence of North Platte River and Corral Creek, ca 12 air mi NE of Encampment.  Elev. 7134 ft.
T15N R82W S23 NE1/4.  41.26 N, 106.5747 W; GPS Reading.  
Moist banks and flood plains. Phenology: vegetative only. 

Rachel Newton, 1048.  6/26/2005. 		RM 
_________________________________________________________________________

650.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Wetlands and Adjacent Areas: Treasure Island and along North Platte River, ca 9 air mi SE of Saratoga.  Elev. 6921 ft.
T16N R83W S28 E1/2.  41.3315 N, 106.7275 W; GPS Reading.  
Moist banks and flood plains. Phenology: vegetative only. 

Rachel Newton, 1104.  6/26/2005. 		RM 
_________________________________________________________________________

651.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Wetlands and Adjacent Areas: Little Laramie River, ca 5 air mi SE of Centennial.  Elev. 7659 ft.
T15N R77W S19 NE1/4 of SW1/4.  41.2533 N, 106.0835 W; GPS Reading.  
Moist banks and flood plains. Phenology: vegetative only. 

Rachel Newton, 1156.  6/26/2005. 		RM 
_________________________________________________________________________

652.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Platte County: Wetlands and Adjacent Areas: Chugwater Creek, ca 1.5 air mi NE of Chugwater.  Elev. 5438 ft.
T21N R66W S29 NW1/4.  41.768 N, 104.7996 W; GPS Reading.  
Very moist banks and flood plains. Phenology: vegetative only. 

Rachel Newton, 1265.  6/28/2005. 		RM 
_________________________________________________________________________

653.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Uinta County: Wetlands and Adjacent Areas: Bear River, ca 1.5 air mi SE of Evanston.  Elev. 6855 ft.
T15N R120W S26 W1/2.  41.2568 N, 110.9304 W; GPS Reading.  
Flood plains. Phenology: vegetative only. 

Rachel Newton, 1511.  7/6/2005. 		RM 
_________________________________________________________________________

654.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Wetlands and Adjacent Areas: Sweetwater River Canyon, ca 34 air mi SE of Lander.  Elev. 6909 ft.
T28N R97W S5 SW1/4.  42.4329 N, 108.445 W; GPS Reading.  
Along river banks. Phenology: vegetative only. 

Rachel Newton, 155.  6/13/2005. 		RM 
_________________________________________________________________________

655.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sweetwater County: Wetlands and Adjacent Areas: Sage Creek, ca 15 air mi S of Green River.  Elev. 6064 ft.
T15N R107W S14 NW1/4.  41.2826 N, 109.4515 W; GPS Reading.  
Moist banks. Phenology: vegetative only. 

Rachel Newton, 1598.  7/7/2005. 		RM 
_________________________________________________________________________

656.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Wetlands and Adjacent Areas: Rock Creek, ca 18 air mi S of Medicine Bow.  Elev. 7233 ft.
T19N R78W S16 NW1/4.  41.6258 N, 106.1663 W; GPS Reading.  
Moist woody flood plains and banks. Phenology: vegetative only. 

Rachel Newton, 1668.  7/10/2005. 		RM 
_________________________________________________________________________

657.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Wetlands and Adjacent Areas: Threemile Creek, ca 16 air mi SE of Medicine Bow.  Elev. 6874 ft.
T20N R77W S16 SE1/4.  41.7084 N, 106.0385 W; GPS Reading.  
Moist banks and flood plains. Phenology: vegetative only. 

Rachel Newton, 1719.  7/10/2005. 		RM 
_________________________________________________________________________

658.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Wetlands and Adjacent Areas: Rattlesnake Creek, ca 25 air mi SE of Medicine Bow.  Elev. 6927 ft.
T20N R82W S16 SW1/4.  41.6987 N, 106.6346 W; GPS Reading.  
Lightly grazed banks and flood plains. Phenology: vegetative only. 

Rachel Newton, 1888.  7/11/2005. 		RM 
_________________________________________________________________________

659.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Lincoln County: Wetlands and Adjacent Areas: Coal Creek, ca 12 air mi NNE of Cokeville.  Elev. 6749 ft.
T26N R118W S10 SW1/4.  42.2459 N, 110.8563 W; GPS Reading.  
Moist banks and flood plains. Phenology: vegetative only. 

Rachel Newton, 2141.  7/20/2005. 		RM 
_________________________________________________________________________

660.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Lincoln County: Wetlands and Adjacent Areas: Fontenelle Creek, ca 14 air mi SSW of La Barge.  Elev. 6666 ft.
T24N R113W S9 NW1/4 of NW1/4.  42.0831 N, 110.2533 W; GPS Reading.  
Moist banks. Phenology: vegetative only. 

Rachel Newton, 2287.  7/20/2005. 		RM 
_________________________________________________________________________

661.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: Wetlands and Adjacent Areas: Boulder Creek and Lake, ca 8 air mi E of Pinedale.  Elev. 7200 ft.
T33N R108W S11 SE1/4.  42.8426 N, 109.6993 W; GPS Reading.  
Heavily grazed, tree-covered marshy ground. Phenology: vegetative only. 

Rachel Newton, 2338.  7/21/2005. 		RM 
_________________________________________________________________________

662.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: Wetlands and Adjacent Areas: Half-Moon Lake, ca 8 air mi NE of Pinedale.  Elev. 7306 ft.
T34N R108W S9 N1/2.  42.9343 N, 109.7562 W; GPS Reading.  
Moist shoreline. Phenology: vegetative only. 

Rachel Newton, 2369.  7/21/2005. 		RM 
_________________________________________________________________________

663.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: Wetlands and Adjacent Areas: confluence of Pine Creek and Fremont Lake, ca 3 air mi N of Pinedale.  Elev. 7122 ft.
T34N R109W S23 SW1/4.  42.8967 N, 109.8378 W; GPS Reading.  
Tree-covered, submerged hummocks. Phenology: vegetative only. 

Rachel Newton, 2402.  7/21/2005. 		RM 
_________________________________________________________________________

664.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Wetlands and Adjacent Areas: Hunt Creek, ca 32 air mi S of Casper.  Elev. 6690 ft.
T28N R79W S18 NE1/4 of SE1/4.  42.3957 N, 106.3444 W; GPS Reading.  
Dry creek bed. Phenology: vegetative only. 

Rachel Newton, 2501.  7/25/2005. 		RM 
_________________________________________________________________________

665.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Wetlands and Adjacent Areas: Laramie River, ca 26 air mi SW of Laramie.  Elev. 7360 ft.
T13N R77W S15 NE1/4.  41.0996 N, 106.0166 W; GPS Reading.  
Moist river banks and flood plains. Phenology: vegetative only. 

Rachel Newton, 2542.  7/27/2005. 		RM 
_________________________________________________________________________

666.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Wetlands and Adjacent Areas: Brush Creek, ca 16 air mi NE of Encampment.  Elev. 7445 ft.
T16N R82W S13 NW1/4 of NW1/4.  41.3638 N, 106.5595 W; GPS Reading.  
Moist creek banks. Phenology: vegetative only. 

Rachel Newton, 2688.  7/29/2005. 		RM 
_________________________________________________________________________

667.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Wetlands and Adjacent Areas: North Fork Encampment River, ca 4 air mi SW of Encampment.  Elev. 7766 ft.
T14N R84W S17 SE1/4 of SE1/4.  41.1786 N, 106.8564 W; GPS Reading.  
Moist banks and flood plains. Phenology: vegetative only. 

Rachel Newton, 2768.  7/29/2005. 		RM 
_________________________________________________________________________

668.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Wetlands and Adjacent Areas: Johnson Creek and Reservoir, ca 35 air mi N of Laramie.  Elev. 5923 ft.
T21N R71W S20 SE1/4 of NE1/4.  41.7801 N, 105.3684 W; GPS Reading.  
Moist banks. Phenology: vegetative only. 

Rachel Newton, 2791.  7/31/2005. 		RM 
_________________________________________________________________________

669.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Wetlands and Adjacent Areas: Rock Creek, 16 air mi SE of Medicine Bow.  Elev. 6755 ft.
T20N R77W S12 NW1/4.  41.7228 N, 106.0047 W; GPS Reading.  
Moist banks and flood plains. Phenology: vegetative only. 

Rachel Newton, 2961.  8/3/2005. 		RM 
_________________________________________________________________________

670.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Wetlands and Adjacent Areas: Watkins Creek, ca 6 air mi SSE of Medicine Bow.  Elev. 7078 ft.
T20N R78W S34 NE1/4.  41.6703 N, 106.1393 W; GPS Reading.  
Moist banks. Phenology: vegetative only. 

Rachel Newton, 2998.  8/3/2005. 		RM 
_________________________________________________________________________

671.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Wetlands and Adjacent Areas: along the Sweetwater River, ca 5 air mi NE of Sweetwater Station; ca 38 air mi SE of Lander.  Elev. 6534 ft.
T30N R94W S16 NE1/4.  42.5801 N, 108.0765 W; GPS Reading.  
Along river banks, flood plains and ditches. Phenology: vegetative only. 

Rachel Newton, 30.  6/10/2005. 		RM 
_________________________________________________________________________

672.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Wetlands and Adjacent Areas: Morgan Creek, ca 30 air mi NE of Rawlins.  Elev. 6362 ft.
T25N R84W S5 SW1/4.  42.1618 N, 106.9235 W; GPS Reading.  
Slightly moist banks and flood plains. Phenology: vegetative only. 

Rachel Newton, 3031.  8/3/2005. 		RM 
_________________________________________________________________________

673.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sweetwater County: Wetlands and Adjacent Areas: Green River, ca 30 mi NNW of Rock Springs.  Elev. 6221 ft.
T21N R109W S26 SE1/4.  41.7644 N, 109.736 W; GPS Reading.  
Moist river banks and exposed bottoms. Phenology: vegetative only. 

Rachel Newton, 3169.  8/6/2005. 		RM 
_________________________________________________________________________

674.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Wetlands and Adjacent Areas: Crooks Creek, ca 6 air mi S of Jeffrey City.  Elev. 6391 ft.
T28N R92W S5 SW1/4.  42.4253 N, 107.8496 W; GPS Reading.  
Moist banks. Phenology: vegetative only. 

Rachel Newton, 3344.  8/10/2005. 		RM 
_________________________________________________________________________

675.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: Wetlands and Adjacent Areas: East Fork River, ca 15 air mi SE of Pinedale.  Elev. 6843 ft.
T32N R108W S26 NE1/4.  42.7148 N, 109.6823 W; GPS Reading.  
Moist banks and flood plains. Phenology: vegetative only. 

Rachel Newton, 3589.  8/25/2005. 		RM 
_________________________________________________________________________

676.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: Wetlands and Adjacent Areas: irrigation ditch and spring-fed stream, ca 2 air mi SE of Pinedale.  Elev. 7041 ft.
T33N R109W S11.  42.8469 N, 109.8286 W; GPS Reading.  
Moist banks and hummocks. Phenology: vegetative only. 

Rachel Newton, 3665.  8/26/2005. 		RM 
_________________________________________________________________________

677.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: Wetlands and Adjacent Areas: Boulder Creek, ca 13 air mi E of Pinedale.  Elev. 7011 ft.
T33N R107W S3 SW1/4.  42.8572 N, 109.6162 W; GPS Reading.  
Dry forested uplands bordering creek. Phenology: vegetative only. 

Rachel Newton, 3711.  8/28/2005. 		RM 
_________________________________________________________________________

678.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Wetlands and Adjacent Areas: confluence of Sweetwater River and Sharps Meadows Creek, ca 32 air mi SW of Lander.  Elev. 7475 ft.
T28N R101W S20 SW1/4.  42.3851 N, 108.9049 W; GPS Reading.  
Moist banks and flood plains. Phenology: vegetative only. 

Rachel Newton, 380.  6/17/2005. 		RM 
_________________________________________________________________________

679.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Wetlands and Adjacent Areas: Sweetwater River, ca 32 air mi SW of Lander.  Elev. 7388 ft.
T28N R101W S25 South1/2.  42.3713 N, 108.8102 W; GPS Reading.  
Moist river banks and flood plains. Phenology: vegetative only. 

Rachel Newton, 467.  6/17/2005. 		RM 
_________________________________________________________________________

680.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Wetlands and Adjacent Areas: Deep Creek, ca 30 air mi SE of Lander.  Elev. 7522 ft.
T29N R98W S27 SE1/4.  42.3928 N, 108.7844 W; GPS Reading.  
Moist banks and flood plains. Phenology: vegetative only. 

Rachel Newton, 557.  6/18/2005. 		RM 
_________________________________________________________________________

681.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Wetlands and Adjacent Areas: Pine Creek, ca 30 air mi SE of Lander.  Elev. 7436 ft.
T28N R100W S20 NW1/4.  42.3929 N, 108.7826 W; GPS Reading.  
Moist banks and flood plains. Phenology: vegetative only. 

Rachel Newton, 656.  6/18/2005. 		RM 
_________________________________________________________________________

682.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Johnson County: Wetlands and Adjacent Areas: Red Fork Powder River, ca 9 air mi W of Kaycee.  Elev. 4923 ft.
T43N R83W S16 E1/2.  43.69559 N, 106.81538 W; GPS Reading.  
Dry flood plains. Phenology: vegetative only. 

Rachel Newton, 4167.  6/5/2006. 		RM 
_________________________________________________________________________

683.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Johnson County: Wetlands and Adjacent Areas: Middle Fork Powder River, ca 6 air mi SW of Kaycee.  Elev. 4860 ft.
T43N R83W S36 N1/2.  43.66154 N, 106.75774 W; GPS Reading.  
Along moist ditch banks. Phenology: vegetative only. 

Rachel Newton, 4218.  6/5/2006. 		RM 
_________________________________________________________________________

684.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Johnson County: Wetlands and Adjacent Areas: Rock Creek, ca 10 air mi NW of Buffalo.  Elev. 5084 ft.
T52N R83W S29 SE1/4.  44.44412 N, 106.84807 W; GPS Reading.  
Dry, shaded flood plains. Phenology: vegetative only. 

Rachel Newton, 4274.  6/5/2006. 		RM 
_________________________________________________________________________

685.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Big Horn County: Wetlands and Adjacent Areas: West Tensleep Creek, ca 15 air mi NE of Ten Sleep.  Elev. 7932 ft.
T49N R86W S31 SE1/4.  44.169 N, 107.24982 W; GPS Reading.  
Along moist shaded creek banks. Phenology: spores. 

Rachel Newton, 5178.  6/22/2006. 		RM 
_________________________________________________________________________

686.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Wetlands and Adjacent Areas: Bridger Creek, ca 3 air mi NW of Lysite.  Elev. 5159 ft.
T38N R91W S2 NE1/4 of SW1/4.  43.28963 N, 107.72191 W; GPS Reading.  
Moist creek banks and exposed creek bottom. Phenology: vegetative only. 

Rachel Newton, 5283.  6/23/2006. 		RM 
_________________________________________________________________________

687.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Washakie County: Wetlands and Adjacent Areas: Tensleep Creek, ca 5 air mi NE of Ten Sleep.  Elev. 4746 ft.
T47N R88W S1 SE1/4.  44.06532 N, 107.37731 W; GPS Reading.  
Along moist, shaded creek banks. Phenology: vegetative only. 

Rachel Newton, 5307.  6/23/2006. 		RM 
_________________________________________________________________________

688.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Johnson County: Wetlands and Adjacent Areas: Hesse Creek, ca 20 air mi SW of Buffalo.  Elev. 8557 ft.
T48N R85W S1 SE1/4.  44.15587 N, 107.01845 W; GPS Reading.  
Moist hummocks and creek banks. Phenology: vegetative only. 

Rachel Newton, 5386.  6/26/2006. 		RM 
_________________________________________________________________________

689.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Johnson County: Wetlands and Adjacent Areas: North Fork Crazy Woman Creek, ca 15 air mi SW of Buffalo.  Elev. 7049 ft.
T49N R83W S31 NE1/4.  44.17438 N, 106.88974 W; GPS Reading.  
Dry, rocky uplands. Phenology: vegetative only. 

Rachel Newton, 5420.  6/26/2006. 		RM 
_________________________________________________________________________

690.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sheridan County: Wetlands and Adjacent Areas: Tongue River, ca 8 air mi SW of Ranchester.  Elev. 3932 ft.
T56N R87W S11 N1/2 of NE1/4.  44.85123 N, 107.30151 W; GPS Reading.  
Shaded, moist river bank. Phenology: vegetative only. 

Rachel Newton, 5527.  6/29/2006. 		RM 
_________________________________________________________________________

691.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sheridan County: Wetlands and Adjacent Areas: Sibley Lake, ca 16 air mi SW of Ranchester.  Elev. 8141 ft.
T55N R88W S10 NW1/4.  44.76047 N, 107.43847 W; GPS Reading.  
Along moist shores and uplands. Phenology: vegetative only. 

Rachel Newton, 5590.  6/29/2006. 		RM 
_________________________________________________________________________

692.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Big Horn County: Wetlands and Adjacent Areas: Cabin Creek, ca 27 air mi E of Greybull.  Elev. 7529 ft.
T53N R89W S14 SW1/4.  44.56826 N, 107.53506 W; GPS Reading.  
Along moist, shaded creek banks and flood plains. Phenology: vegetative only. 

Rachel Newton, 5729.  6/30/2006. 		RM 
_________________________________________________________________________

693.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Wetlands and Adjacent Areas: Wind River, ca 9 air mi NW of Dubois.  Elev. 7164 ft.
T42N R108W S23 E1/2 of NE1/4.  43.59172 N, 109.7752 W; GPS Reading.  
Moist, shaded river banks and flood plains. Phenology: vegetative only. 

Rachel Newton, 5798.  7/5/2006. 		RM 
_________________________________________________________________________

694.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Wetlands and Adjacent Areas: Horsetail Creek, ca 7 air mi E of Kelly; ca 14 air mi NE of Jackson.  Elev. 6978 ft.
T42N R114W S2 NE1/4.  43.63721 N, 110.49607 W; GPS Reading.  
Moist banks and hummocks. Phenology: vegetative only. 

Rachel Newton, 6085.  7/6/2006. 		RM 
_________________________________________________________________________

695.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Johnson County: Wetlands and Adjacent Areas: Muddy Creek, ca 15 air mi SW of Buffalo.  Elev. 7925 ft.
T48N R84W S9 South1/2.  44.14267 N, 106.96006 W; GPS Reading.  
Dry uplands. Phenology: vegetative only. 

Rachel Newton, 6618.  8/5/2006. 		RM 
     with James Pray
_________________________________________________________________________

696.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Wetlands and Adjacent Areas: Snake River, ca 6 air mi S of Jackson.  Elev. 5977 ft.
T40N R116W S33 N1/2.  43.38565 N, 110.75128 W; GPS Reading.  
Moist flood plains. Phenology: vegetative only. 

Rachel Newton, 6675.  8/8/2006. 		RM 
     with James Pray
_________________________________________________________________________

697.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Seminoe Mountains: Cottonwood Creek, ca 2 air mi W of Seminoe Dam; ca 27 air mi NE of Sinclair.  Elev. 6700 ft.
T25N R85W S7 NE1/4.  42.1518 N, 107.046 W.  
Aspen and cottonwood lined creek in mountain meadow. Phenology: vegetative only. 

Amy J. Roderick, 2660.  7/22/1997. 		RM 665629	Barcode: RM0125570
_________________________________________________________________________

698.  Equisetum arvense L. 				Equisetaceae

U.S.A., Arizona, Apache County: Apache National Forest: Benny Creek.   Elev. 8900 ft.
Along creek bottoms in moist places. Phenology: spores. 

no collector, 68.  9/16/1913. 		USFS 400783
_________________________________________________________________________

699.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Front Range: Dadd Gulch Trail off Colo Hwy 14, ca 22 air mi W of Fort Collins.  Elev. 7500-7900 ft.
T8N R73W S2 NW1/4.  40.6915 N, 105.5458 W; uncertainty 0.5 mi..  
Damp gulch running north/south with Acer, Betula, Prunus, and Juniperus. Phenology: vegetative only. 

Sarah Nunn, 1082.  6/11/2001. 		RM 771899
_________________________________________________________________________

700.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Jackson County: Medicine Bow Mountains: Colorado State Forest: trail to Kelly Lake, ca 16 air mi E of Walden.  Elev. 8600-8700 ft.
T8N R77W S34 E1/2.  40.6149 N, 106.0159 W; uncertainty 1 mi..  
High Artemisia meadows with creeks cutting across and Potentilla, Phlox, Delphinium, Salix, and some aspen stands. Phenology: vegetative only. 

Sarah Nunn, 1430.  6/15/2001. 		RM 771898
_________________________________________________________________________

701.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Front Range: West White Pine Mountain on Forest Road 100, N of Pennock Pass Road (County Road 44H), ca 18 air mi W of Fort Collins.  Elev. 8800-9200 ft.
T7N R72W S9 N1/2.  40.586 N, 105.4699 W; uncertainty 1 mi..  
Aspen groves with Thalictrum and Maianthemum. Phenology: vegetative only. 

Sarah Nunn, 1499.  6/17/2001. 		RM 771897
_________________________________________________________________________

702.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Front Range: Donner Pass trail off Pennock Pass Road (County Road 44H), where it crosses Old Ballard Road (Forest Road 129) and Elk Creek, ca 17 air mi W of Fort Collins.  Elev. 8400 ft.
T7N R75W S21 NW1/4.  40.5637 N, 105.4744 W; uncertainty 0.5 mi..  
Lush creek bottom woods with Acer, Alnus, and Picea. Phenology: vegetative only. 

Sarah Nunn, 1580.  6/18/2001. 		RM 771896
_________________________________________________________________________

703.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Front Range: Roaring Creek Trail from Colo Hwy 14, ca 34 air mi WNW of Fort Collins.  Elev. 8600-9100 ft.
T9N R75W S24 SE1/4.  40.7227 N, 105.743 W; uncertainty 0.5 mi..  
Steep creekside edged with apen and pine. Phenology: vegetative only. 

Sarah Nunn, 1992.  6/25/2001. 		RM 771895
_________________________________________________________________________

704.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Front Range: Neota Wilderness: S and E of Zimmerman Lake, ca 38 air mi W of Fort Collins.  Elev. 10600-10800 ft.
T7N R76W S36 N1/2.  40.5332 N, 105.8633 W; uncertainty 1 mi..  
Marshy meadows ascending north in spruce- fir subalpine forest. Phenology: vegetative only. 

Sarah Nunn, 2763.  7/16/2001. 		RM 771894
_________________________________________________________________________

705.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Front Range: Trap Lake and Trap Creek off Long Draw Road (Forest Road 156) in Box Canyon, ca 36 air mi W of Fort Collins.  Elev. 10000 ft.
T7N R75W S28; NW1 S28.  40.5466 N, 105.8111 W; uncertainty 0.5 mi..  
Creekside with Douglas fir canopy. Phenology: vegetative only. 

Sarah Nunn, 3034.  7/18/2001. 		RM 771893
_________________________________________________________________________

706.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Medicine Bow Mountains: in Laramie River Valley from Rawah Trailhead on Laramie River Road (County Road 103), ca 41 air mi NW of Fort Collins.  Elev. 8300-8500 ft.
T9N R76W S14 SW1/4.  40.7487 N, 105.9051 W; uncertainty 0.5 mi..  
Beaver ponds along river in valley. Phenology: vegetative only. 

Sarah Nunn, 3147.  7/20/2001. 		RM 771892
_________________________________________________________________________

707.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Front Range: Lost Lake off Laramie River Road (County Road 103), 2 mi N of Colo Hwy 14, ca 38 air mi W of Fort Collins.  Elev. 9200 ft.
T8N R75W S31 SE1/4.  40.6191 N, 105.8489 W; uncertainty 0.5 mi..  
Caltha and Ranunculus with a thick canopy of Douglas fir and lodgepole pine. Phenology: spores. 

Sarah Nunn, 372.  5/28/2001. 		RM 771905
_________________________________________________________________________

708.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Front Range: off Pennock Pass Road (County Road 44H) along Sheep Creek off Moody Hill Road (Forest Road 513), ca 11 air mi W of Fort Collins.  Elev. 6700 ft.
T7N R71W S16 SE1/4.  40.5712 N, 105.3485 W; uncertainty 0.5 mi..  
Lush, shaded creekside down north slope with Alnus and Prunus, in the foothills. Phenology: vegetative only. 

Sarah Nunn, 3827.  7/31/2001. 		RM 771891
_________________________________________________________________________

709.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Front Range:Comanche Peak Wilderness: Cache la Poudre River on Big South Trail off Colo Hwy 14, ca 34 air mi W of Fort Collins.  Elev. 8600-8800 ft.
T8N R75W S34 W1/2.  40.6257 N, 105.8009 W; uncertainty 1 mi..  
Douglas fir and aspen canopy along river with Arctostaphylos and some rock piles and overhangs. Phenology: vegetative only. 

Sarah Nunn, 4401.  8/9/2001. 		RM 771890
_________________________________________________________________________

710.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Front Range: North Lone Pine Trail from Deadman Road (County Road 162), ca 32 air mi NW of Fort Collins.  Elev. 9400-9800 ft.
T10N R74W S34.  40.796 N, 105.6743 W; uncertainty 1 mi..  
Creekside in lodgepole pine forest. Phenology: vegetative only. 

Sarah Nunn, 4572.  8/11/2001. 		RM 771889
_________________________________________________________________________

711.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Larimer County: Roosevelt National Forest:Medicine Bow Mountains: Rawah Wilderness: West Branch Laramie River, from West Branch Trailhead off Laramie River Road (County Road 103), ca 40 air mi W of Fort Collins.  Elev. 10400-11000 ft.
T8N R76W S15 South1/2.  40.6618 N, 105.8977 W; uncertainty 1 mi..  
Subalpine river headwaters. Phenology: vegetative only. 

Sarah Nunn, 4767.  8/16/2001. 		RM 771888
_________________________________________________________________________

712.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Larimer County: Roosevelt National Forest and Vicinity: Front Range: north side of Cache la Poudre River, off Colo Hwy 14 just W of the State Fish Hatchery, ca 30 air mi W of Fort Collins.  Elev. 8100 ft.
T9N R74W S32 South1/2.  40.7019 N, 105.716 W; uncertainty 1 mi..  
Riverside forest with Populus, Betula, aspen groves, and Colorado blue spruce. Phenology: vegetative only. 

Sarah Nunn, 4859.  8/21/2001. 		RM 771887
_________________________________________________________________________

713.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Front Range: Neota Wilderness: southeast side of Joe Wright Resevoir, ca 37 air mi W of Fort Collins.  Elev. 10000 ft.
T7N R76W S25 NE1/4.  40.5454 N, 105.8756 W; uncertainty 0.5 mi..  
Rocky, exposed, reservoir banks. Phenology: vegetative only. 

Sarah Nunn, 5126.  9/7/2001. 		RM 771886
_________________________________________________________________________

714.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Front Range: 1.5 mi W of Kinikinik, off Colo Hwy 14, ca 32 air mi W of Fort Collins.  Elev. 8100 ft.
T8N R75W S2 NE1/4.  40.6915 N, 105.7732 W; uncertainty 0.5 mi..  
Forested river edge with aspen and Colorado blue spruce. Phenology: vegetative only. 

Sarah Nunn, 5172.  9/8/2001. 		RM 771885
_________________________________________________________________________

715.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Front Range: Hewlett Gulch off Colo Hwy 14, 0.5 mi W of Poudre Park, ca 13 air mi NW of Fort Collins. C  Elev. 6000-6600 ft.
T9N R71W S35; S35.  40.7009 N, 105.3185 W; uncertainty 0.5 mi..  
Creekside in foothills gulch with granite substrate. Phenology: vegetative only. 

Sarah Nunn, 5224.  9/9/2001. 		RM 771884
_________________________________________________________________________

716.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Medicine Bow Mountains: Rawah Wilderness: Link Trail from MacIntyre/Link Trailhead off County Road 80C, ca 43 air mi NW of Fort Collins.  Elev. 8500-9300 ft.
T9N R77W S1 NW1/4.  40.7941 N, 105.9608 W; uncertainty 0.5 mi..  
Montane creekside with Acer and Alnus, occasional aspen stands. Phenology: vegetative only. 

Sarah Nunn, 5257.  9/15/2001. 		RM 771883
_________________________________________________________________________

717.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Front Range: on Young Gulch Trail, S of Colo Hwy 14, S of split of Young Gulch and Prairie Gulch creeks, ca 13 air mi NW of Fort Collins.  Elev. 6800-7000 ft.
T8N R71W S21 NE1/4.  40.6646 N, 105.3487 W; uncertainty 0.5 mi..  
Wet creekside with Aquilegia, Fragaria, Ranunculus, and Acer. Phenology: vegetative only. 

Sarah Nunn, 643.  6/1/2001. 		RM 771904
_________________________________________________________________________

718.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Front Range: near Sevenmile Creek at the old mine off Forest Road 225, 2 mi N of Rustic; ca 26 air mi NW of Fort Collins.  Elev. 7600 ft.
T9N R73W S30 NE1/4.  40.7166 N, 105.5995 W; uncertainty 0.5 mi..  
Wet creek side with Acer, Betula, Populus, and Maianthemum. Phenology: spores. 

Sarah Nunn, 823.  6/3/2001. 		RM 771903
_________________________________________________________________________

719.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Medicine Bow Mountains: from Blue Lake Trailhead (off Colo Hwy 14) to Blue Lake in the Rawah Wilderness, ca 37 air mi W of Fort Collins.  Elev. 9200-10400 ft.
T7N R76W S1; also S2.  40.6046 N, 105.8679 W; uncertainty 2 mi..  
Mixed conifer forest, transitional from lodgepole pine to spruce-fir. Phenology: spores. 

Sarah Nunn, 903.  6/4/2001. 		RM 771902
_________________________________________________________________________

720.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Front Range: near Laramie River Road (County Road 103), ca 8 air mi N of Colo Hwy 14, ca 40 air mi NW of Fort Collins.  Elev. 8300 ft.
T9N R76W S25 E1/2.  40.7113 N, 105.8623 W; uncertainty 1 mi..  
Heavily grazed wet creek bottom with Salix. Phenology: spores. 

Sarah Nunn, 949.  6/7/2001. 		RM 771901
_________________________________________________________________________

721.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Front Range: near Laramie River Road (County Road 103), ca 8 air mi N of Colo Hwy 14, ca 40 air mi NW of Fort Collins.  Elev. 8300 ft.
T9N R76W S25 E1/2.  40.7113 N, 105.8623 W; uncertainty 1 mi..  
Heavily grazed wet creek bottom with Salix. Phenology: vegetative only. 

Sarah Nunn, 950.  6/7/2001. 		RM 771900
_________________________________________________________________________

722.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Wind River Range: W of Dubois and 3 mi E of Togwotee Pass.  Elev. 9000 ft.
T44N R110W S35.  43.7265 N, 110.0307 W; NAD 83, uncertainty 1 mi., Digital Map.  
Spruce-fir zone, wet margin of a pond. Phenology: vegetative only. 

C. L. Porter, 10329.  8/11/1966. 		RM 281110	Barcode: RM0031932
     with Marjorie W. Porter
_________________________________________________________________________

723.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Jenny Lake.  Elev. 6800 ft.
T44N R116W S24.  43.7655 N, 110.7171 W; NAD 83, uncertainty 1 mi., Digital Map.  
Shaded woods. Phenology: vegetative only. 

C. L. Porter, 1210.  8/3/1932. 		RM 138055	Barcode: RM0125483
_________________________________________________________________________

724.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Laramie County: Laramie Mountains: Pole Creek.  Elev. 6700 ft.
On the banks. Phenology: spores. 

C. L. Porter, 533.  6/7/1930. 		RM 139122	Barcode: RM0125484
_________________________________________________________________________

725.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Along Clark's Fork Yellowstone River, on the Red Lodge-Cooke City highway, near Index Peak.  Elev. 7200 ft.
T58N R107W S19 and S30.  44.9859 N, 109.8492 W; NAD 83, uncertainty 2 mi., Digital Map.  
Abundant in moist lodgepole pine timber. *northwestern Park county* Phenology: vegetative only. 

C. L. Porter, 5475.  7/13/1950. 		RM 218105	Barcode: RM0125334
_________________________________________________________________________

726.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Near Seminoe Dam.  Elev. 6500 ft.
T25N R84W S8.  42.1559 N, 106.9084 W; NAD 83, uncertainty 1 mi., Digital Map.  
Moist stream bank. Phenology: vegetative only. 

C. L. Porter, 6007.  7/15/1952. 		RM 229685	Barcode: RM0125486
     with B. F. Miller
_________________________________________________________________________

727.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Wind River Range: ca 18 mi NW of Dubois on Warm Springs Creek.  Elev. 8400 ft.
T42N R108W S31.  43.5643 N, 109.8609 W; NAD 83, uncertainty 1 mi., Digital Map.  
Sandy shaded banks. with aspen Phenology: vegetative only. 

C. L. Porter, 7209.  8/9/1956. 		RM 249465	Barcode: RM0031933
_________________________________________________________________________

728.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Natrona County: Casper Mountain, on Circle Drive.  Elev. 7600 ft.
T32N R79W S8.  42.7529 N, 106.3261 W; NAD 83, uncertainty 2 mi., Digital Map.  
Common along stream banks. Phenology: vegetative only. 

C. L. Porter, 7408.  8/9/1957. 		RM 253769	Barcode: RM0125485
_________________________________________________________________________

729.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Big Horn County: Big Horn Range: head of Shell Creek Canyon.  Elev. 7600 ft.
T53N R89W S14.  44.5754 N, 107.5391 W; NAD 83, uncertainty 1 mi., Digital Map.  
Streamside forest, common. Phenology: spores. 

C. L. Porter, 8278.  6/28/1960. 		RM 263155
     with Marjorie W. Porter
_________________________________________________________________________

730.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Sandoval County: Santa Fe National Forest and Vicinity: Jemez Mountains: Cochiti Canyon, 4.3 air mi SSE of Rabbit Mountain. From crossing of Trail 113 SE 1.3 mi in canyon.  Elev. 7200-8280 ft.
T18N R5E S19 NE1/4; also W1/2 S20 and NE1/4 S29.  35 46.764' N, 106 26.194' W to 35 45.872' N, 106 25.593' W; GPS reading.  
Canyon bottom and riparian. Phenology: vegetative only. 

Brian Reif, 1113.  6/23/2003. 		RM 817055	Barcode: RM0104824
_________________________________________________________________________

731.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Rio Arriba County: Santa Fe National Forest and Vicinity: Jemez Mountains: Salitral Creek and spring, 4.5 air mi WNW of Coyote, where Forest Road 148 crosses creek. Collection within 1/4 mi up and down creek and at nearby spring.  Elev. 7060 ft.
T23N R2E S36 NW1/4.  36 11.233' N, 106 40.923' W; GPS reading.  
Riparian and sandy banks.  Significant salt deposits. Phenology: vegetative only. 

Brian Reif, 1268.  6/25/2002. 		RM 817054	Barcode: RM0104823
_________________________________________________________________________

732.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Sandoval County: Santa Fe National Forest and Vicinity: Jemez Mountains: East Fork Jemez River at Las Conchas Trail 137 off NM Hwy 4, S of Valles Caldera National Preserve. NW on Trail 137 along river for 1.5 mi.  Elev. 8360-8410 ft.
T18N R4E S5; also NE1/4 S6.  35 48.947' N, 106 31.97' W to 35 49.315' N, 106 32.947' W; GPS reading.  
Riparian and wet meadow of canyon bottom. Phenology: vegetative only. 

Brian Reif, 1556.  7/2/2002. 		RM 817053	Barcode: RM0104822
_________________________________________________________________________

733.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Sandoval County: Santa Fe National Forest and Vicinity: Jemez Mountains: San Antonio Creek, 3.8 air mi NNW of La Cueva. NE from Forest Road 376 to San Antonio Creek, E 1 mi up Ice Cave Canyon to Mushroom Basin, returning to Forest Road 376 0.8 mi N of start.  Elev. 7960-8400 ft.
T19N R3E S6 N1/2.  35 54.94' N, 106 39.42' W; GPS reading.  
Riparian. Phenology: vegetative only. 

Brian Reif, 1667.  7/4/2002. 		RM 817052	Barcode: RM0104821
_________________________________________________________________________

734.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Sandoval County: Santa Fe National Forest and Vicinity: Jemez Mountains: East Fork Jemez River at Jemez Falls, 5 air mi NE of Jemez Springs. Jemez Falls Campground S for 0.4 mi to falls, then N along river to complete loop.  Elev. 7780-7940 ft.
T18N R3E S3 SE1/4; also NE1/4 S10.  35 48.977' N, 106 36.385' W; GPS reading.  
Rocky bluffs of falls and riparian along river with margins of mixed conifers. Phenology: vegetative only. 

Brian Reif, 1747.  7/4/2002. 		RM 817051	Barcode: RM0104820
_________________________________________________________________________

735.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Rio Arriba County: Santa Fe National Forest and Vicinity: Jemez Mountains: Rito Caf‚ 12 air mi SW of Coyote. From Trail 32 at Forest Road 70 junction NW 1.5 air mi to crossing of Rito Caf‚, then 0.8 air mi SE down Rito Caf‚ before returning to start.  Elev. 9400-9850 ft.
T21N R2E S17; also NE1/4 S20.  36 3.417' N, 106 45.52' W to 36 3.099' N, 106 44.794' W; GPS reading.  
Riparian with dense Engelmann spruce/Douglas fir cover.  Alder appearing to the southeast. Phenology: vegetative only. 

Brian Reif, 1876.  7/6/2002. 		RM 817050	Barcode: RM0104819
_________________________________________________________________________

736.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Rio Arriba County: Santa Fe National Forest and Vicinity: Jemez Mountains: Canyon de la Alameda to Rio Gallina, 14 air mi NNE of Gallina. SW for 1 air mi in canyon to Rio Gallina then 0.4 air mi E along river.  Elev. 6700-6900 ft.
T25N R2E S8; also NW1/4 S17.  36 24.844' N, 106 45.119' W; GPS reading.  
Steep-walled drainage of mixed conifers. Phenology: vegetative only. 

Brian Reif, 2077.  7/11/2002. 		RM 817049	Barcode: RM0104818
_________________________________________________________________________

737.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Sandoval County: Santa Fe National Forest and Vicinity: Jemez Mountains: Paso del Norte Road, 2.5 air mi S of Rabbit Mountain. S for 0.3 air mi in drainage near Valles Grande Pumice Mine, and N 0.5 mi along ascending road that exits Del Norte Canyon  Elev. 8100-8450 ft.
T18N R4E S13; also South1/2 S12.  35 47.669' N, 106 28.181' W; GPS reading.  
Narrow canyon bottom of grass/sedge cut by road. Phenology: vegetative only. 

Brian Reif, 2197.  7/12/2002. 		RM 817048	Barcode: RM0104816
_________________________________________________________________________

738.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Sandoval County: Santa Fe National Forest and Vicinity: Jemez Mountains: NM Hwy 126 in Telephone Canyon, 12.5 air mi ESE of Cuba. SW for 0.6 air mi on NM Hwy 126 to seep, NE 1.3 air mi to Moon Spring and returning to NM Hwy 126 via Forest Road 117.  Elev. 8130-8600 ft.
T20N R2E S20; also South1/2 S17.  35 56.91' N, 106 45.241' W; GPS reading.  
Riparian of canyon bottom at constriction/tapering of meadow and drop in elevation. Phenology: vegetative only. 

Brian Reif, 2332.  7/14/2002. 		RM 817047	Barcode: RM0104814
_________________________________________________________________________

739.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Sandoval County: Santa Fe National Forest and Vicinity: Jemez Mountains: Rito de las Vacas and campground off NM Hwy 126, 9 air mi E of Cuba. From campground 0.6 air mi along Rito Vacas, then exiting west slope and returning to start.  Elev. 8300-8700 ft.
T20N R1E S2 NW1/4; also T21N R1E SW1/4 S35.  35 59.7923' N, 106 48.415' W; GPS reading.  
Riparian and grassy banks at campground. Phenology: vegetative only. 

Brian Reif, 2427.  7/17/2002. 		RM 817046	Barcode: RM0104812
_________________________________________________________________________

740.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Sandoval County: Santa Fe National Forest and Vicinity: Jemez Mountains: Fenton Lake, 4.8 air mi W of La Cueva. From state park parking lot S ca 500 ft on NM Hwy 126, and W ca 500 ft from parking lot along north edge of lake.  Elev. 7675 ft.
T19N R2E S9 SE1/4.  35 53.155' N, 106 43.466' W; GPS reading.  
East edge of lake, wet meadow to marsh. Phenology: vegetative only. 

Brian Reif, 2549.  7/17/2002. 		RM 817045	Barcode: RM0104811
_________________________________________________________________________

741.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Sandoval County: Santa Fe National Forest and Vicinity: Jemez Mountains: NM Hwy 4 at Soda Dam, 1.7 air mi N of Jemez Springs, S 0.5 mi to bridge .  Elev. 6320-6340 ft.
T18N R2E S13 W1/2.  35 47.537' N, 106 41.205' W; GPS reading.  
Drainage just W of road at base of pinyon/juniper slope. Phenology: vegetative only. 

Brian Reif, 256.  6/6/2002. 		RM 817064	Barcode: RM0104815
_________________________________________________________________________

742.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Rio Arriba County: Santa Fe National Forest and vicinity: Jemez Mountains: Arroyo de los Frijoles, 2.5 air mi W of Abiquiu. From corral at start of Barranca Trail 111 3.4 air mi S to Frijoles Spring.  Elev. 6013-7000 ft.
T23N R5E S24 SE1/4; also W1/2 S25, SE1/4 S26, S35, and T22N R5E S2.  36 11.985' N, 106 21.67' W to 36 11.599' N, 106 22.112' W; GPS reading.  
Riparian with cottonwoods through canyon of soft sedimentary rock in pinyon/juniper woodland. Phenology: vegetative only. 

Brian Reif, 2596.  7/18/2002. 		RM 817044	Barcode: RM0104810
_________________________________________________________________________

743.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, San Miguel County: Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Pecos Wilderness Area, Holy Ghost Creek, 3 air mi NW of Terrero. From parking before campground on Forest Road 122 NW 1.2 air mi following creek on Trail 283.  Elev. 8100-8360 ft.
T18N R12E S20; also SW1/4 S17.  35 46.066' N, 105 41.87' W to 35 46.588' N, 105 42.184' W; GPS reading.  
Roadside through blue spruce/Douglas fir forest. Phenology: vegetative only. 

Brian Reif, 2725.  7/28/2002. 		RM 817043	Barcode: RM0104808
_________________________________________________________________________

744.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, San Miguel County: Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Rio Mora, 2 air mi S of Cowles. NE 0.6 air mi along river on Trail 240 from parking lot in Mora River Campground.  Elev. 7900-8000 ft.
T18N R12E S22 NE1/4; also NW1/4 S23 and SW1/4 S14.  35 46.744' N, 105 39.355' W to 35 46.916' N, 105 38.952' W; GPS reading.  
Riparian with banks of excised, coarse gravel, and wet canyon bottom with poor drainage. Phenology: vegetative only. 

Brian Reif, 2829.  7/28/2002. 		RM 817042	Barcode: RM0104809
_________________________________________________________________________

745.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Rio Arriba County: Santa Fe National Forest and Vicinity: Jemez Mountains: Forest Road 27 at headwaters of Polvadera Creek, 7.5 air mi SW of Abiquiu, along creek for 1.1 mi.  Elev. 7040-7620 ft.
T22N R5E S8 NE1/4; also SE1/4 S5.  36 9.177' N, 106 25.335' W to 36 10.081' N, 106 25.812' W; GPS reading.  
Banks of drainage. Phenology: vegetative only. 

Brian Reif, 295.  6/7/2002. 		RM 817063	Barcode: RM0104813
_________________________________________________________________________

746.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Santa Fe County: Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Rio Frijoles Trail 154 just E of Santo Domingo de Cundiyo Land Grant, 8 air mi SE of Chimayo. SE in canyon along trail for 0.2 air mi from E edge of land grant.  Elev. 7000 ft.
T20N R10E S27 NW1/4.  35 56.278' N, 105 52.398' W; GPS reading.  
Riparian of river, and meadows, in canyon bottom with mixed conifer slopes.  Canyon tightening upstream with encroachment of granitic cliffs. Phenology: vegetative only. 

Brian Reif, 3411.  8/8/2002. 		RM 817041	Barcode: RM0104807
_________________________________________________________________________

747.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Rio Arriba County: Santa Fe National Forest and Vicinity: Jemez Mountains: Forest Road 316 at spring, 2.4 air mi S of NM Hwy 96/Forest Road 316 junction, S on Coyote Creek for ca 0.4 mi.  Elev. 7020-7137 ft.
T22N R3E S15 SW1/4.  36 7.895' N, 106 37.046' W to 36 8.12' N, 106 36.998' W; GPS reading.  
Riparian through pinyon/juniper woodland with ponderosa pine/Douglas fir. Phenology: vegetative only. 

Brian Reif, 345.  6/9/2002. 		RM 817062	Barcode: RM0104831
_________________________________________________________________________

748.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Santa Fe County: Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Rio Medio off Forest Road 436, E of the Santo Domingo de Cundiyo Land Grant and 7 air mi ESE of Chimayo. E along river 0.4 air mi to gate at narrowing of canyon.  Elev. 6840-6880 ft.
T20N R10E S10 N1/2.  35 58.918' N, 105 52.09' W to 35 58.847' N, 105 51.709' W; GPS reading.  
Canyon bottom a grazed, irrigated meadow next to riparian of river. Pinyon/juniper woodland slopes with granitic bluffs and cliffs. Phenology: vegetative only. 

Brian Reif, 3659.  8/10/2002. 		RM 817040	Barcode: RM0104805
_________________________________________________________________________

749.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, San Miguel County: Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Pecos Wilderness: Rito del Oso W 0.8 air mi on Trail 250 to junction with Rio Mora, 8.5 air mi WNW of Rociada.  Elev. 9400-9800 ft.
T19N R13E S16 E1/2; also SW1/4 S15.  35 52.212' N, 105 33.673' W to 35 52.268' N, 105 33.953' W; GPS reading.  
Canyon bottom opening up to wet meadow with riparian of creek. Phenology: vegetative only. 

Brian Reif, 3941.  8/14/2002. 		RM 817039	Barcode: RM0104806
_________________________________________________________________________

750.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Rio Arriba County: Santa Fe National Forest and Vicinity: Jemez Mountains: Forest Road 103 at Rio Puerco Recreation Site, 7.8 air mi SW of Coyote, 0.3 mi E down Rio Puerco from parking lot.  Elev. 8080-8160 ft.
T22N R2E S33; also NW1/4 S34.  36 5.971' N, 106 43.44' W to 36 6.026' N, 106 43.092' W; GPS reading.  
Riparian. Phenology: vegetative only. 

Brian Reif, 415.  6/9/2002. 		RM 817061	Barcode: RM0104830
_________________________________________________________________________

751.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Santa Fe County: Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Santa Fe Municipal Watershed, 3 air mi ENE of Santa Fe, in vicinity of Randall Davey Audubon Center. E on road to 0.2 air mi.  Elev. 7380-7420 ft.
T17N R10E S21.  35 41.423' N, 105 53.3' W to 35 41.37' N, 105 53.098' W; GPS reading.  
Roadside through pinyon-juniper woodland along contour, and just S of the river.  Wet roadside culverts. Phenology: vegetative only. 

Brian Reif, 4454.  8/23/2002. 		RM 817038	Barcode: RM0104804
_________________________________________________________________________

752.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Sandoval County: Santa Fe National Forest and Vicinity: Jemez Mountains: Seven Springs Fish Hatchery, 5.5 air mi NW of La Cueva, ENE up Rio Cebolla for 1.1 mi, at NM Hwy 126/Forest Road 314 junction to river.  Elev. 7880-7960 ft.
T20N R2E S35 NW1/4; also South1/2 S26.  35 55.591' N, 106 42.473' W to 35 55.931' N, 106 41.371' W; GPS reading.  
Riparian. Phenology: vegetative only. 

Brian Reif, 459.  6/11/2002. 		RM 817060	Barcode: RM0104829
_________________________________________________________________________

753.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Sandoval County: Santa Fe National Forest and Vicinity: Jemez Mountains: Battleship Rock Forest Recreation Site, 2.8 air mi S of La Cueva, following Trail 137 on East Fork Jemez River for 0.7 mi.  Elev. 6755-7000 ft.
T19N R3E S5 N1/2.  35 49.741' N, 106 38.733' W to 35 49.37' N, 106 38.18' W; GPS reading.  
Riparian in steep-walled forested canyon of ponderosa pine/Douglas fir. Phenology: vegetative only. 

Brian Reif, 537.  6/11/2002. 		RM 817059	Barcode: RM0104828
_________________________________________________________________________

754.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Sandoval County: Santa Fe National Forest and Vicinity: Jemez Mountains: Pablo Canyon, 7 air mi SE of Cuba. From Forest Road 20/533 junction E up canyon 0.5 mi along Forest Road 20.  Elev. 7940-8050 ft.
T20N R1E S20 N1/2.  35 57.149' N, 106 51.832' W to 35 57.254' N, 106 51.328' W; GPS reading.  
Riparian and adjacent open meadows of canyon bottom. Phenology: vegetative only. 

Brian Reif, 580.  6/13/2002. 		RM 817058	Barcode: RM0104827
_________________________________________________________________________

755.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Rio Arriba County: Santa Fe National Forest and Vicinity: Jemez Mountains: Ojitos Canyon-Chama River Canyon Wilderness Area, 9 air mi NNW of Coyote, N 2.5 mi into Ojito Canyon on Trail 298 from junction with Forest Road 468 to beginning of trail's ascent.  Elev. 6820-8140 ft.
T24N R2E S36 N1/2; also NE1/4 S24 and S25.  36 17.927' N, 106 40.318' W; GPS reading.  
Canyon bottom of Gambels oak and riparian. Phenology: vegetative only. 

Brian Reif, 656.  6/14/2002. 		RM 817057	Barcode: RM0104826
_________________________________________________________________________

756.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Rio Arriba County: Santa Fe National Forest and Vicinity: Jemez Mountains: Foest Road 70, South San Pedro Parks Wilderness trailhead from parking lot N to San Gregorio Reservoir.  Elev. 9200-9400 ft.
T21N R1E S21 W1/2.  36 1.636' N, 106 50.815' W to 36 2.441' N, 106 50.758' W; GPS reading.  
Riparian. Phenology: vegetative only. 

Brian Reif, 72.  6/2/2002. 		RM 817065	Barcode: RM0104817
_________________________________________________________________________

757.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Rio Arriba County: Santa Fe National Forest and Vicinity: Jemez Mountains: Rio Gallina, 3 air mi S of Gallina. From Forest Road 14/17 junction S on Forest Road 14 for 0.3 mi to seep.  Elev. 7900-8100 ft.
T23N R1E S28 South1/2.  36 11.634' N, 106 50.616' W to 36 11.382' N, 106 50.734' W; GPS reading.  
Riparian and blue spruce in drainage. Phenology: vegetative only. 

Brian Reif, 867.  6/18/2002. 		RM 817056	Barcode: RM0104825
_________________________________________________________________________

758.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Los Alamos County: Santa Fe National Forest and Vicinity: Jemez Mountains:  White Rock Canyon,  Red Dot Trail to Pajarito Springs, the Rio Grande and down stream ca 1 mi; 2 - 2.5 air mi S of White Rock.  Elev. 5400-5800 ft.
35 48.594' N, 106 12.208' W to 35 48.272' N, 106 11.677' W; GPS reading.  
Rocky slopes along trail, stream, wet areas. Phenology: vegetative only. 

Ronald L. Hartman, 74453.  5/24/2002. 		RM 817028	Barcode: RM0104794
     with Brian Reif and Brian Jacobs
_________________________________________________________________________

759.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Sandoval County: Santa Fe National Forest and Vicinity: Jemez Mountains: Red Top Lookout and ca 1 mi on road down.  Elev. 9060 ft.
T20N R1E S27 South1/2.  35 55.631' N, 106 48.809' W; GPS reading.  
Ponderosa pine and Douglas fir with other conifers in understory. Phenology: vegetative only. 

Ronald L. Hartman, 74683.  5/29/2002. 		RM 
_________________________________________________________________________

760.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Sandoval County: Santa Fe National Forest and Vicinity: Jemez Mountains: 3 road mi NNE of Ponderosa.  Elev. 6625 ft.
T17N R3E S16.  35 41.602' N, 106 38.597' W; GPS reading.  
Roadside, streamside. Phenology: vegetative only. 

Ronald L. Hartman, 75080.  6/22/2002. 		RM 817026	Barcode: RM0104792
_________________________________________________________________________

761.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Sandoval County: Santa Fe National Forest and Vicinity: Jemez Mountains: Forest Road 485 at junction with Forest Road 652, 2 air mi NNW of Gilman.  Elev. 6401 ft.
T18N R1E S36.  35 44.79' N, 106 46.771' W; GPS reading.  
Rocky slopes. Phenology: vegetative only. 

Ronald L. Hartman, 75200.  6/23/2002. 		RM 817025	Barcode: RM0104791
_________________________________________________________________________

762.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Rio Arriba County: Santa Fe National Forest and Vicinity: Jemez Mountains: 3-4 air mi NW of Llaves at junction of Forest Road 312 and Forest Road 313.  Elev. 7203 ft.
T25N R1W S11.  36 24.627' N, 106 54.634' W; GPS reading.  
Ponderosa pine forest and riparian. Phenology: vegetative only. 

Ronald L. Hartman, 75292.  6/25/2002. 		RM 817024	Barcode: RM0104790
_________________________________________________________________________

763.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Sandoval County: Santa Fe National Forest and Vicinity: Jemez Mountains: East Fork Jemez River from trailhead, 0.2 air mi W of Las Condras Campground, N and W to Valles Caldera National Preserve fence near highpoint 8612.  Elev. 8300-8400 ft.
T18N R4E S5 South1/2; also NE1/4 S6.  35 49.658' N, 106 35.25' W; GPS reading.  
Broad valley with volcanic boulders and rock outcrops on flanks. Phenology: vegetative only. 

Ronald L. Hartman, 75529.  6/29/2002. 		RM 817023	Barcode: RM0104789
_________________________________________________________________________

764.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Sandoval County: Santa Fe National Forest and Vicinity: Jemez Mountains: Las Conchas Campground on NM Hwy 4 upstream on East Fork Jemez River to 0.8 mi.  Elev. 8461 ft.
T18N R4E S4.  35 48.87' N, 106 31.441' W; GPS reading.  
Canyon and streamside. Phenology: vegetative only. 

Ronald L. Hartman, 75641.  7/12/2002. 		RM 817022	Barcode: RM0104788
_________________________________________________________________________

765.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Sandoval County: Santa Fe National Forest and Vicinity: Jemez Mountains: NM Hwy 126, 1.2 road mi from Forest Road 20, Telephone Canyon.  Elev. 8000-8100 ft.
T20N R2E S19.  35 57.3' N, 106 44.5' W; GPS reading.  
Grassy valley. Phenology: vegetative only. 

Ronald L. Hartman, 76177.  7/21/2002. 		RM 817021	Barcode: RM0104787
_________________________________________________________________________

766.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Santa Fe County: Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Tesuque Creek on Winsor Trail 254, 3 air mi SE of Tesuque; SW on trail 0.5 air mi.  Elev. 7320-7370 ft.
T18N R10E S32; also NW1/4 S33.  35.745 N, 105.888 W; GPS Reading.  
Riparian with mature ponderosa pine, horsetail, cottonwood, alder, and willow; sandy wash. Phenology: vegetative only. 

Brian Reif, 5199.  6/12/2003. 		RM 817037	Barcode: RM0104803
_________________________________________________________________________

767.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Santa Fe County: Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Pecos Wilderness: Rio Medio Trail 155 adjacent to Rio Medio, 6 air mi due W of Truchas Peak; NW along trail 0.2 air mi.  Elev. 8410 ft.
T20N R11E S9 E1/4; also S15.  35.963 N, 105.752 W; GPS Reading.  
Riparian corridor through spruce of lower canyon slopes; banks of river or standing water. Phenology: vegetative only. 

Brian Reif, 5799.  6/23/2003. 		RM 817036	Barcode: RM0104801
_________________________________________________________________________

768.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, San Miguel County: Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Pecos Wilderness: Pecos River W of Albright Creek, 2.5 air mi NE of Cowles; at granitic constricition of canyon.  Elev. 8400 ft.
T19N R12E S26 E1/2.  35.838 N, 105.637 W; GPS Reading.  
Riparian of river. Phenology: vegetative only. 

Brian Reif, 7076.  7/20/2003. 		RM 817035	Barcode: RM0104802
_________________________________________________________________________

769.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Santa Fe County: Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Rio en Medio Trail 163, 4.5 air mi NE of Tesuque. N35.819 W105.864 W 0.4 air mi to juntion with Trail 179 at N35.818 W105.871.  Elev. 7760-7860 ft.
T18N R10E S3 N1/2.  35.819 N, 105.864 W to 35.818 N, 105.871 W; GPS Reading.  
Trailside through canyon bottom in ponderosa pine forest. Phenology: vegetative only. 

Brian Reif, 7472.  7/28/2003. 		RM 817034	Barcode: RM0104800
_________________________________________________________________________

770.  Equisetum arvense L. 				Equisetaceae

U.S.A., Arizona, Coconino County: N of Sedona; Oak Creek Canyon; Halfway Campground. [Halfway Picnic Area]  Elev. 5100 ft.
T18N R6E S8.  
Oak- pine wooded river valley with granite outcrops and cliffs; common along stream bank in shade or sun. Phenology: spores. 

Ralph E. Brooks, 19228.  5/8/1989. 		RM 552278
_________________________________________________________________________

771.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Santa Fe County: Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Forest Road 102 through Pacheco Canyon, 5 air mi ENE of Tesque. N35.789 W105.857 E 0.5 air mi to N35.787 W105.848.  Elev. 8250-8540 ft.
T18N R10E S15 NE1/4; also NW1/4 S14.  35.789 N, 105.857 W to 35.787 N, 105.848 W; GPS Reading.  
Roadside canyon bottom and riparian with Douglas and white fir in drainage; canyon slopes of ponderosa pine. Phenology: vegetative only. 

Brian Reif, 7760.  8/1/2003. 		RM 817033	Barcode: RM0104799
_________________________________________________________________________

772.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Santa Fe County: Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Pecos Wilderness: Rio Nambe Trail 160 E from Trail 403 junction, 2 3/4 air mi WSW of Santa Fe Baldy. N35.824 W105.800 from junction ESE 0.5 air mi to N35.821 W105.793.  Elev. 8960-9400 ft.
T18N R11E S5 NE1/4.  35.824 N, 105.8 W to 35.821 N, 105.793 W; GPS Reading.  
Canyon bottom of mixed conifers and mature aspen. Phenology: vegetative only. 

Brian Reif, 7952.  8/3/2003. 		RM 817032	Barcode: RM0104798
_________________________________________________________________________

773.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, San Miguel County: Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Pecos Wilderness: Rio Valdez Trail 224 at Mora Flats, 6.5 air mi NE of Cowles, at junction with Trail 250.  Elev. 9320 ft.
T19N R13E S16 NW1/4; also NE1/4 S17.  35.87 N, 105.5778 W; GPS Reading.  
Shaded riparian corridor of river with alder, willow, and mountain spray; spruce and aspen above. Phenology: vegetative only. 

Brian Reif, 8347.  8/13/2003. 		RM 817031	Barcode: RM0104797
_________________________________________________________________________

774.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, San Miguel County: Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Valle Largo Trail 248 from Forest Road 266, 2 air mi NE of Cowles. N35.8279 W105.6379 at trailhead E 0.5 air mi on trail to fenced seep (immediately N of trail) at N35.8279 W105.6292.  Elev. 9000-9360 ft.
T19N R12E S36 NW1/4.  35.8279 N, 105.6292 W to 35.8279 N, 105.6379 W; GPS Reading.  
Seep and adjacent nearby meadow slope with diffuse mature aspen. Phenology: vegetative only. 

Brian Reif, 8577.  8/17/2003. 		RM 817030	Barcode: RM0104796
_________________________________________________________________________

775.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Mora County: Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Road BO22 along Canoncito Creek, 1 3/4 air mi SW of Holman; from creek crossing to NW 0.2 air mi on road.  Elev. 7700 ft.
36.0216 N, 105.4054 W; GPS Reading.  
Roadside in meadow bottom including lower, south-facing slope of Gambels oak/ pinyon pine, and riparian at creek crossing; ponderosa pine forest. Phenology: vegetative only. 

Brian Reif, 9253.  8/29/2003. 		RM 817029	Barcode: RM0104795
_________________________________________________________________________

776.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Sandoval County: Santa Fe National Forest and Vicinity: Sierra Nacimiento: Joaquin Canyon on the north side of Mesa Venado, ca 3/4 air mi W of Rio Guadalupe, ca 6.5 air mi W of Jemez Springs; ca 19.5 air mi SSE of Cuba.  Elev. 7100 ft.
T18N R1E S23 W1/2.  35.7789 N, 106.8046 W; GPS Reading.  
Along stream and meadows in old beaver pond. Phenology: vegetative only. 

B. E. Nelson, 62022.  7/20/2004. 		RM 804663	Barcode: RM0104862
_________________________________________________________________________

777.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Hot Springs County: Owl Creek/Bridger Mountains: along Little Grass Creek, ca 9.5 air mi SW of Grass Creek Oil Field.  Elev. 6980-7360 ft.
T45N R100W S28; also S32.  43.83944 N, 108.8614 W.  
Riparian area. 

Robin Jones, 2341.  8/17/1991. 		RM 
_________________________________________________________________________

778.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: West Slope Wind River Range: ca 4.5 air mi SE of Upper Slide Lake.  Elev. 7500-7800 ft.
T42N R111W S30; also T42N R111W S31 and T42N R112W S25 and S36.  43.57306 N, 110.22028 W; uncertainty 3 mi..  
Cottonwood grove on gravelly, sandy soil on north shore of Cottonwood Creek. Phenology: spores. 

Walter Fertig, 1510.  6/11/1990. 		RM 583843	Barcode: RM0125425
_________________________________________________________________________

779.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Hoback Canyon: Hoback Campground on Hoback River.  Elev. 6200 ft.
T38N R115W S1.  43.2798 N, 110.5979 W; uncertainty 700 ft..  
Phenology: vegetative only. 

Alan A. Beetle, 5215.  8/14/1947. 		RM 209300	Barcode: RM0125297
_________________________________________________________________________

780.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sweetwater County: Little Mountain: Parea Springs, ca 34 air mi S of Rock Springs.  Elev. 8840 ft.
T13N R105W S18 SE1/4.  41.1075 N, 109.2826 W; uncertainty 0.5 mi..  
Loam nonalkaline soil in a wet meadow with Carex, Ranunculus acriformis, Sagina saginoides, Trifolium, Frageria virginiana, and Bromus. Phenology: vegetative only. 

Ann Aldrich, 571.  7/21/1979. 		RM 330473	Barcode: RM0125508
_________________________________________________________________________

781.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Laramie County: Pole Creek.  Elev. 7300 ft.
T15N R70W S15.  41.2742 N, 105.2157 W; NAD 83, uncertainty 1 mi., Nat. Geog. TOPO!.  
Phenology: vegetative only. 

Aven Nelson, 1411.  7/2/1895. 		RM 5635	Barcode: RM0125311
_________________________________________________________________________

782.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Yellowstone National Park: Yellowstone Lake: Bridge Creek.  Elev. 8000 ft.
T53N R113W S35; also S36.  44.5295 N, 110.4477 W; uncertainty 2 mi..  
On the wet sandy banks of the creek. Phenology: vegetative only. 

Aven Nelson, 6654.  8/24/1899. 		RM 20082	Barcode: RM0125286
     with Elias Nelson
_________________________________________________________________________

783.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Big Wind River.  Elev. 5600 ft.
T3N R2W S23.  43.222 N, 108.9618 W; uncertainty 3 mi..  
Phenology: vegetative only. 

Aven Nelson, 706.  8/5/1894. 		RM 3990	Barcode: RM0125291
_________________________________________________________________________

784.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: South Sybille.  Elev. 6500-6600 ft.
T20N R71W S24; also S25, S36.  
On the marshy banks of a creek. Phenology: vegetative only. 

Aven Nelson, 7402.  7/3/1900. 		RM 157995	Barcode: RM0125309
_________________________________________________________________________

785.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Head of Pole Creek.  Elev. 8300-8400 ft.
T15N R72W S23.  41.2536 N, 105.4314 W; uncertainty 1 mi..  
Phenology: spores. 

Aven Nelson, 77.  5/25/1894. 		RM 3819	Barcode: RM0125290
_________________________________________________________________________

786.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Laramie County: Pole Creek near Table Mountain.  Elev. 7200 ft.
T15N R70W S15.  41.2684 N, 105.2205 W; uncertainty 2 mi..  
Phenology: vegetative only. 

Aven Nelson, 90.  6/2/1894. 		RM 3750	Barcode: RM0125310
_________________________________________________________________________

787.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Laramie.  Elev. 7165 ft.
T16N R73W S33.  41.3115 N, 105.5834 W; uncertainty 5 mi..  
Phenology: vegetative only. 

B. C. Buffum, s.n..  7//1892. 		RM 1175	Barcode: RM0125283
_________________________________________________________________________

788.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Shirley Mountains: First Ranch Creek and vicinity W of Shirley Mountain Loop or BLM Road 3115, ca 19.5 air mi NNE of Hanna.  Elev. 8000 ft.
T25N R81W S12.  42.1518 N, 106.4813 W.  
Growing in needle and leaf litter of limber pine forest. Phenology: vegetative only. 

Amy J. Roderick, 2980.  7/31/1997. 		RM 665628	Barcode: RM0125571
_________________________________________________________________________

789.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Goshen County: Southeastern Plains: Goshen Hole: Fort Laramie National Historic Site: south side of Laramie River ca 1.4 air mi SW of Fort Laramie (town).  Elev. 4220 ft.
T26N R64W S28 NW1/4 NE1/4.  42.2019 N, 104.5466 W; NAD 83, uncertainty 700 ft., Nat. Geog. TOPO!.  
River borders and low terraces with saturated gravelly silt, slope 0%; Spartina pectinata - Scirpus pungens herbaceous vegetation; associated species are Setaria viridis and Ambrosia psilostachya. Uncommon. 

Bonnie Heidel, 2493.  9/4/2003. 		 
     with Amy Symstad
_________________________________________________________________________

790.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Goshen County: Southeastern Plains: Fort Laramie National Historic Site: at Deer Creek mouth, ca 2.5 air miles SW of Fort Laramie (town).  Elev. 4220 ft.
T26N R64W S29 SE1/4 NE1/4.  42.2001 N, 104.5577 W; NAD 83, uncertainty 700 ft., Nat. Geog. TOPO!.  
Gravel bar in creek on muck over gravel, with Carex aquatilis and Mimulus glabratus. Phenology: vegetative only. 

Bonnie Heidel, 2493.  5/28/2004. 		 779111	Barcode: RM0125936
_________________________________________________________________________

791.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Teton National Forest: Horsetail Creek.  Elev. 7000 ft.
T42N R114W S2.  43.6338 N, 110.4961 W; uncertainty 1 mi..  
South gentle slope; clay loam soil; woodland community with blue spruce trees. In damp shade. Phenology: vegetative only. 

Bruce L. Coulter, 102.  /23/1924. 		USFS 400029	Barcode: USFS0066470
_________________________________________________________________________

792.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Lincoln County: Wyoming National Forest: 2 mi above Bailey Lake, along stream.  Elev. 8000 ft.
T37N R116W S15.  43.1769 N, 110.7426 W; uncertainty 1 mi..  
20% NW slope; sand clay soil; with carex, willows, horsetail; along streams, damp spots; patchy. Phenology: vegetative only. 

Charles H. McDonald, 657.  6/23/1927. 		USFS 407710	Barcode: USFS0066465
_________________________________________________________________________

793.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Teton National Forest: Lee Ranger Station pasture.  Elev. 6500 ft.
T41N R117W S29.  43.4898 N, 110.9144 W; uncertainty 1 mi..  
Level slope; loam soil ; with snowberry, fireweed, and nettle; damp brush areas; scattering. Phenology: vegetative only. 

Charles H. McDonald, 775.  6/10/1928. 		USFS 407715	Barcode: USFS0066463
_________________________________________________________________________

794.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sheridan County: Big Horn National Forest: Arrowhead Lodge - U.S. 14 near Burgess Junction.
T55N R89W S1.  44.7743 N, 107.5245 W; uncertainty 1 mi..  
Phenology: vegetative only. 

C. S. Gilbert, 56-61.  7/1/1956. 		RM 392212	Barcode: RM0125443
     with H. F. Epson
_________________________________________________________________________

795.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Lincoln County: Wyoming National Forest: Smiths Fork Ranger Station.  Elev. 7000 ft.
T29N R117W S24.  42.4841 N, 110.7123 W; uncertainty 1 mi..  
Slope level; soil deep loam, damp, rich meadow with Carex, Poa and Equisetum; scattering. Phenology: spores. 

Charles H. McDonald, 578.  5/26/1926. 		USFS 407711	Barcode: USFS0066467
_________________________________________________________________________

796.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Foote Creek, east fork.  Elev. 8300 ft.
T19N R79W S27 SW1/4.  41.5889 N, 106.2609 W; uncertainty 0.5 mi..  
Phenology: vegetative only. 

Charles R. Clarke, 52.  7/22/1975. 		RM 297808	Barcode: RM0125519
_________________________________________________________________________

797.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Lincoln County: Overthrust Belt: Fossil Butte National Monument: south base of Cundick Ridge.
T22N R118W S25 NE1/4 of NW1/4.  
Seep at base of cliff near aspen and cottonwood. Phenology: vegetative only. 

Clayton R. Kyte, 2000-38.  7/28/2000. 		RM 724202	Barcode: RM0125914
_________________________________________________________________________

798.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: East Fork River S of Boulder.  Elev. 7000 ft.
T32N R108W S33; also S34.  42.7026 N, 109.7246 W; uncertainty 2 mi..  
At water's edge. Phenology: vegetative only. 

D. L. Watson, 21.  7/29/1965. 		RM 279520	Barcode: RM0125287
_________________________________________________________________________

799.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Laramie County: F. E. Warren Air Force Base: along Crow Creek near picnic area.  Elev. 6100 ft.
T14N R67W S27.  41.1531 N, 104.8775 W; uncertainty 1 mi..  
Wet meadow. Phenology: vegetative only. 

D. Long, s.n..  6//1983. 		RM 397794	Barcode: RM0125449
     with J. Von Loh
_________________________________________________________________________

800.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Laramie County: F. E. Warren Air Force Base: near Crow Creek, picnic area.  Elev. 6100 ft.
T14N R67W S27.  41.157 N, 104.874 W; NAD 83, uncertainty 700 ft., Nat. Geog. TOPO!.  
Meadow/aquatic. Phenology: vegetative only. 

D. Long, s.n..  6//1983. 		RM 397795	Barcode: RM0125450
     with J. Von Loh
_________________________________________________________________________

801.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Converse County: Laramie Mountains: La Prele and Camel (=Campbell) creeks, ca 31.5 air mi SW of Douglas.  Elev. 7700 ft.
T29N R75W S28.  42.4529 N, 105.843 W; uncertainty 1 mi..  
Common at streamside. Phenology: vegetative only. 

Dan Lewis, 117.  7/6/1981. 		RM 398727	Barcode: RM0125448
_________________________________________________________________________

802.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Hot Springs County: Absaroka Mountains: South Fork of North Fork Owl Creek, near cabin.  Elev. 8200 ft.
T44N R102W S35 NE1/4 of SE1/4.  43.7346 N, 109.0618 W; uncertainty 0.5 mi..  
Abundant in Populus tremuloides (aspen) woods on north-facing slope; with Arctostaphylos, Lupinus, Equisetum, Ribes, Rosa, and Frasera (elkweed). Phenology: vegetative only. 

David L. Martin, 1364.  7/12/1979. 		RM 335321	Barcode: RM0125517
_________________________________________________________________________

803.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Medicine Bow National Forest: Elk Creek Study Bog.  Elev. 9700 ft.
T15N R79W S29.  
Slope 3-4%; exposure south; soil bog-organic; site wet; Eleocharis - Carex community with sedges, Agrostis thurberiana, bog orchid; frequent. Eastern side of bog where peat is shallow. Phenology: vegetative only. 

David L. Sturges, 203.  8/28/1963. 		RM 272455	Barcode: RM0125576
_________________________________________________________________________

804.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Medicine Bow National Forest: Elk Creek Study Bog.  Elev. 9700 ft.
T15N R79W S29.  41.2397 N, 106.2901 W; uncertainty 1 mi..  
Eastern side of bog where peat in shallow; soil bog-organic; slope 3-4%; exposure south; frequent in Eleocharis-Carex vegetation type with sedges, Agrostis thurberiana, bog orchid. Phenology: vegetative only. 

David L. Sturges, 203.  8/28/1963. 		USFS 636007	Barcode: USFS0066474
_________________________________________________________________________

805.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Medicine Bow National Forest: Elk Creek study bog, NE corner.  Elev. 9800 ft.
T15N R79W S29.  41.2397 N, 106.2901 W; uncertainty 1 mi..  
Slope 3-4%; exposure south; soil organic; vegetation type bog; frequent with sedges, marsh marigold. Phenology: spores. 

David L. Sturges, 214.  7/7/1964. 		USFS 636006	Barcode: USFS0066475
_________________________________________________________________________

806.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Shoshone National Forest: Crandall Creek, near Simpsons Cabin.  Elev. 7000 ft.
T56N R106W S15.  44.8336 N, 109.6175 W; uncertainty 2 mi..  
Peat swamp. Phenology: vegetative only. 

Edward D. Pearson, 193.  8/22/1924. 		RM 104425	Barcode: RM0031849
     with Dorothy Pearson
_________________________________________________________________________

807.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: along W side of Elk Fork Creek, ca 2-3 mi S of U.S. Hwy 14, 16, & 20.  Elev. 6100 ft.
T52N R106W S31; also S32.  44.4328 N, 109.6643 W; uncertainty 1 mi..  
Open, disturbed habitat adjacent to or on dirt road. Phenology: vegetative only. 

Erwin F. Evert, 16853.  6/17/1989. 		RM 577616	Barcode: RM0031838
_________________________________________________________________________

808.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: Yellowstone National Park: ca 3/4 mi W of East Entrance; ca 1/8 mi N of U.S. Hwy 14, 16, & 20.  Elev. 7200 ft.
T52N R109W S8.  44.4908 N, 110.0067 W.  
Mixed coniferous forest near waterfall. Phenology: vegetative only. 

Erwin F. Evert, 17011.  6/21/1989. 		RM 578095	Barcode: RM0125401
_________________________________________________________________________

809.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: Yellowstone National Park: along a small tributary of Middle Creek, ca 1/8 mi N of U.S. Hwy 14, 16, & 20; ca 2 mi W of the East Entrance.  Elev. 7200 ft.
T52N R109W S18.  44.4763 N, 110.0268 W; uncertainty 1 mi..  
Mixed coniferous forest and large grassy opening adjacent to creek. Phenology: vegetative only. 

Erwin F. Evert, 17700.  7/15/1989. 		RM 578477	Barcode: RM0125422
_________________________________________________________________________

810.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: along the south side of the North Fork Shoshone River, opposite Newton Creek Campground.  Elev. 6200 ft.
T52N R107W S29.  44.4473 N, 109.765 W.  
Open, weedy area adjacent to marsh, prominent species include Cirsium arvense, Bromus inermis, and Urtica dioica ssp. gracilis. Phenology: vegetative only. 

Erwin F. Evert, 17937.  7/27/1989. 		RM 578710	Barcode: RM0031907
_________________________________________________________________________

811.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Southwestern Absaroka Mountains: Deer Creek Canyon, ca 3-4 mi W of canyon mouth; ca 45 mi SW of Cody.  Elev. 7700 ft.
T48N R107W S1; also S2.  44.1581 N, 109.656 W; uncertainty 2 mi..  
Moist alluvium along creek bottom, prominent species include Alnus viridis ssp. sinuata and Salix drummondiana. Phenology: vegetative only. 

Erwin F. Evert, 18161.  7/30/1989. 		RM 579039	Barcode: RM0031908
_________________________________________________________________________

812.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: along Lost Creek, ca 1/4 mi S of U.S. Hwy 14, 16, and 20; 1 mi E of Hanging Rock Campground.  Elev. 5850 ft.
T52N R106W S24 SW1/4.  44.4618 N, 109.5636 W; uncertainty 0.5 mi..  
In wet areas along creek. Phenology: vegetative only. 

Erwin F. Evert, 2881.  6/24/1981. 		RM 341371	Barcode: RM0031910
_________________________________________________________________________

813.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage, ca 1/8 mi N of U.S. Hwy 14 and 3/4 mi E of Yellowstone National Park Entrance.  Elev. 7000 ft.
T52N R109W S9 NW1/4.  
With Pinus contorta, Linnaea borealis, and Shepherdia canadensis. Phenology: vegetative only. 

Erwin F. Evert, 4475.  7/27/1982. 		RM 361290	Barcode: RM0031913
_________________________________________________________________________

814.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: ca 6 mi N of U.S. Hwy 14, Grinnell Meadows.  Elev. 8100 ft.
T53N R108W S22.  44.5585 N, 109.8605 W; uncertainty 1 mi..  
Phenology: spores. 

Erwin F. Evert, 4500.  7/28/1982. 		RM 356923	Barcode: RM0031914
_________________________________________________________________________

815.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: along south side of river; ca 0.3 mi W of Moss Creek.  Elev. 6100 ft.
T52N R107W S27 NE1/4.  44.4473 N, 109.7247 W; uncertainty 0.5 mi..  
In marsh. Phenology: vegetative only. 

Erwin F. Evert, 5626.  7/26/1983. 		RM 531598	Barcode: RM0031915
_________________________________________________________________________

816.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: along north side of North Fork Shoshone River, between Sweetwater and Horse creeks, ca 25 mi W of Cody.  Elev. 5900 ft.
T52N R106W S21 NE1/4.  44.4618 N, 109.624 W; uncertainty 0.5 mi..  
Cottonwood-willow riparian community. Phenology: vegetative only. 

Erwin F. Evert, 6545.  6/17/1984. 		RM 609063	Barcode: RM0031909
_________________________________________________________________________

817.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: along south side of Middle Creek, ca 1/4 mi W of Pahaska.  Elev. 6800 ft.
T52N R109W S10 SW1/4.  44.4908 N, 109.9664 W; uncertainty 0.5 mi..  
In shaded seepage areas at base of north facing slope. Phenology: spores. 

Erwin F. Evert, 6637.  6/20/1984. 		RM 609198	Barcode: RM0031912
_________________________________________________________________________

818.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Northern Absarokas: Cathedral Cliffs-Swamp Lake Wetland, ca 2.5 mi E of Crandall Ranger Station.  Elev. 6600 ft.
T56N R106W S11; also S14.  44.8481 N, 109.597 W.  
In spruce swamp forest at south end of wetland. Phenology: vegetative only. 

Erwin F. Evert, 7633.  8/22/1984. 		RM 609959	Barcode: RM0031906
_________________________________________________________________________

819.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sheridan County: Big Horn Mountains: just W of Story Fish Hatchery buildlings and ponds.  Elev. 5420-5600 ft.
T53N R84W S13.  44.5701 N, 106.9175 W.  
Under Pinus ponderosa with understory of Acer glabrum an d Crataegus columbiana on and east facing slope with calcareous; clayey soil. Phenology: vegetative only. 

Erwin F. Evert, 8169.  7/8/1985. 		RM 622392	Barcode: RM0125469
_________________________________________________________________________

820.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: north side of Clayton Mountain, above forks of June Creek, ca 2.5 mi S of U.S. Hwy 14, 16, & 20.  Elev. 7300 ft.
T52N R107W S34 SE1/4.  44.4328 N, 109.7247 W.  
Around springs issuing from hillside. Phenology: vegetative only. 

Erwin F. Evert, 8605.  7/21/1985. 		RM 622393	Barcode: RM0031845
_________________________________________________________________________

821.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: ca 0.5 mi W of the confluence of Elk Fork Creek and Cabin Creek, ca 8 mi S of U.S. Hwy 14, 16, & 20.  Elev. 7100 ft.
T51N R107W S26.  44.3603 N, 109.7046 W.  
Spruce forest at edge of wet meadows. Phenology: vegetative only. 

Erwin F. Evert, 8807.  7/26/1985. 		RM 622394	Barcode: RM0031842
_________________________________________________________________________

822.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: along Big Creek, ca 8 mi N of U.S. Hwy 14, 16, & 20.  Elev. 8600 ft.
T53N R106W S13.  44.573 N, 109.577 W.  
In open seepage area. Phenology: vegetative only. 

Erwin F. Evert, 9028.  7/28/1985. 		RM 622395	Barcode: RM0031841
_________________________________________________________________________

823.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: along Canyon Creek, ca 1.5-2 mi S of U.S. Hwy 14, 16, & 20.  Elev. 6500-6800 ft.
T52N R105W S32; also T51N R105W S6.  44.4328 N, 109.5233 W.  
Wet areas along creek. Phenology: vegetative only. 

Erwin F. Evert, 9064.  7/31/1985. 		RM 622396
_________________________________________________________________________

824.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Southeastern Absarokas: Stratford Ranch, along east side of South Fork Shoshone River, ca 42 mi SW of Cody; adjacent and above Hunter Creek.  Elev. 6650 ft.
T48N R106W S9 NE1/4.  44.1402 N, 109.596 W.  
Partially shaded, wet riparian areas. Phenology: vegetative only. 

Erwin F. Evert, 9484.  8/19/1985. 		RM 622397	Barcode: RM0031844
_________________________________________________________________________

825.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Chalk Mountain: North Face 33.5 air mi SSW Casper.  Elev. 7200 ft.
T28N R81W S13.  42.398 N, 106.4808 W; uncertainty 1 mi..  
Populus tremuloides overstory. Phenology: vegetative only. 

Francis B. Current, 398.  7/8/1978. 		RM 317255	Barcode: RM0125511
_________________________________________________________________________

826.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Targhee National Forest: Forks of Teton Canyon.  Elev. 7000 ft.
T44N R118W S23.  43.7634 N, 110.9742 W; uncertainty 1 mi..  
Slope bottom; black clay loam soil, moist and wet. Phenology: vegetative only. 

Francis Moss, FM-8.  //. 		USFS 407716	Barcode: USFS0066469
_________________________________________________________________________

827.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Johnson County: Between Sheridan and Buffalo.  Elev. 3500-5000 ft.
Rolling plains. Phenology: vegetative only. 

Frank Tweedy, 3560.  6/15/1900. 		RM 38271	Barcode: RM0125292
_________________________________________________________________________

828.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Washakie County: Big Horn Range: Canyon Creek Canyon on The Nature Conservancy Tensleep Preserve.  Elev. 5200 ft.
T47N R87W S27.  44.011 N, 107.3001 W; uncertainty 1 mi..  
Acer negundo community with understory of Prunus virginiana, Ribes oxyacanthoides, and Arctium minus on stream terrace. Phenology: flowering & fruiting. 

Gillian Walford, 1110.  6/19/1995. 		RM 703716	Barcode: RM0125270
_________________________________________________________________________

829.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Teton National Forest: Redmund Creek.  Elev. 7500 ft.
T42N R114W S11.  43.6196 N, 110.4967 W; uncertainty 1 mi..  
Level slope; wet soil. Phenology: spores. 

H. B. Maris, 92.  6/20/1913. 		USFS 407712	Barcode: USFS0066464
_________________________________________________________________________

830.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Absaroka Mountains, Clarks Fork drainage, east end of Swamp Lake near Crandall Ranger Station. /4S14.  Elev. 6600 ft.
T56N R106W S14.  44.8323 N, 109.5941 W.  
Spruce forest along south side of wetlands, on hummocky wet soil. Phenology: spores. 

Hollis Marriott, 10767.  6/4/1988. 		RM 710422	Barcode: RM0031848
     with George Jones, Ben Brown
_________________________________________________________________________

831.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Platte County: Cottonwood Creek, 29 road mi NW of Wheatland.  Elev. 1616 m.
T27N R70W S23.  42.2984 N, 105.215 W; uncertainty 1 mi..  
Creek banks, live water. Phenology: vegetative only. 

Jan Pollet, 295.  7/25/1989. 		RM 544388	Barcode: RM0125459
_________________________________________________________________________

832.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Platte County: Deadhead Creek, 6 road mi E of Wyo Hwy 34, 12 road mi SW of Wheatland.  Elev. 5087 ft.
T22N R69W S31.  41.8345 N, 105.1662 W; uncertainty 1 mi..  
Creekbanks and creekbed. Phenology: vegetative only. 

Jan Pollet, 733b.  9/8/1989. 		RM 544096
_________________________________________________________________________

833.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Laramie Range: Medicine Bow National Forest: Pole Mountain District: W of Eagle Rock, along the North Branch Middle Fork Lodgepole Creek.  Elev. 8200 ft.
T15N R71W S8.  41.2828 N, 105.3733 W; uncertainty 1 mi..  
Moist bottomland along the creek; wet habitat and extending occasionally into drier areas; infrequent. Phenology: vegetative only. 

Jay N. Holliday, Jr., 130.  7/17/1964. 		RM 276670	Barcode: RM0125441
_________________________________________________________________________

834.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: John Burke Cabin Site (#10); ca 0.25 mi W of Wyo Hwy 230, near mile marker 38, 12 mi S of Woods Landing.  Elev. 9000 ft.
T12N R78W S4.  41.0386 N, 106.1564 W; uncertainty 1 mi..  
Phenology: spores. 

Jerry Pieper, 831.  5/24/1987. 		RM 399180	Barcode: RM0125518
_________________________________________________________________________

835.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: John Burke Cabin Site (#10); ca 0.25 mi W of Wyo Hwy 230, near mile marker 38, 12 mi S of Woods Landing.  Elev. 9000 ft.
T12N R78W S4.  41.0386 N, 106.1564 W; uncertainty 1 mi..  
Phenology: vegetative only. 

Jerry Pieper, 832.  5/24/1987. 		RM 399181	Barcode: RM0125447
_________________________________________________________________________

836.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Absaroka Range: east side of Timber Creek, 15.5 air mi WSW of Meeteetse.  Elev. 7460 ft.
T47N R103W S14 SE1/4 NE1/4.  44.0428 N, 109.1816 W; uncertainty 0.25 mi..  
Salix boothii/mesic forb community on mollic cryoflubent with mollic surface horizon soil. Phenology: spores. 

Jill Walford, 1206.  6/24/1995. 		RM 643303	Barcode: RM0125464
_________________________________________________________________________

837.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Jackson Hole Wildlife Park: Moose Island in the Snake River.  Elev. 6750 ft.
T45N R114W S16.  43.8609 N, 110.5485 W; NAD 83, uncertainty 0.75 mi., Digital Map.  
*A. A. Beetle* Phenology: vegetative only. 

John F. Reed, 1101.  8/10/1947. 		RM 208788	Barcode: RM0125279
_________________________________________________________________________

838.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Jackson Hole: E of Moran; Snake River at Simons.  Elev. 6750 ft.
T45N R114W S17.  43.8618 N, 110.5726 W; NAD 83, uncertainty 1 mi., Digital Map.  
Moist margin of small stream among willows and sedges. Phenology: spores. 

John F. Reed, 1869.  6/2/1948. 		RM 211713	Barcode: RM0125299
     with Mildred S. Reed
_________________________________________________________________________

839.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Teton National Forest: Gros Ventre Slide.  Elev. 7500 ft.
T42N R114W S5.  43.638 N, 110.5547 W; NAD 83, uncertainty 1 mi., Digital Map.  
Moist seepage area. Phenology: vegetative only. 

John F. Reed, 2557.  9/8/1948. 		RM 211659	Barcode: RM0125300
     with Mildred S. Reed
_________________________________________________________________________

840.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Jackson Hole Wildlife Park: Pacific Creek.  Elev. 6750 ft.
T45N R114W S13.  43.8713 N, 110.4966 W; NAD 83, uncertainty 2 mi., Digital Map.  
On dense stands on moist sand beside creek. Phenology: vegetative only. 

John F. Reed, 891.  8/6/1947. 		RM 208786	Barcode: RM0125280
_________________________________________________________________________

841.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: Wyoming (Bridger) National Forest: south side Boulder Basin.  Elev. 8000 ft.
T37N R109W S28; also S29.  43.1473 N, 109.9442 W; uncertainty 2 mi..  
Slope south; soil deep sandy loam; with mountain grasses and flowers; in groups, scarce. Phenology: vegetative only. 

John L. Allen, 15a.  8/12/1916. 		USFS 407709	Barcode: USFS0066466
_________________________________________________________________________

842.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Haines Reservoir and ditch on County Road 640, ca 5.5 air mi SW of Saratoga; ca 14 air mi NW of Encampment.  Elev. 7020 ft.
T17N R84W S31 E1/2.  41.4034 N, 106.889 W.  
Banks of ditch bordered by willow. Phenology: vegetative only. 

Amy J. Roderick, 3157.  8/4/1997. 		RM 665627	Barcode: RM0125563
_________________________________________________________________________

843.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: Rock Creek Roadless Area, ca 25 air mi NW of Laramie.  Elev. 9750 ft.
T18N R78W S33 SW1/4 SW1/4.  41.4865 N, 106.1654 W.  
Wetlands and marshes; common adjacent to Pinus contorta and Picea engelmannii-Abies lasiocarpa. Phenology: vegetative only. 

Leila Stanfield, 22.  7/27/1991. 		RM 719013	Barcode: RM0125915
_________________________________________________________________________

844.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Laramie Range: Pole Mountain District: Medicine Bow National Forest: W of Eagle Rock.  Elev. 8200-8400 ft.
T15N R71W S8.  41.2828 N, 105.3733 W; uncertainty 1 mi..  
North-facing slope; dry to moist meadows; common. Phenology: vegetative only. 

M. N. Aslamy, 153a.  7/22/1964. 		RM 276382	Barcode: RM0125442
_________________________________________________________________________

845.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Stratton Hydrology Study Area: Sane Creek Bottom.  Elev. 7000-8000 ft.
T17N R87W S25.  41.4179 N, 107.1376 W; uncertainty 1 mi..  
Creek bottom; sagebrush rangeland. Phenology: vegetative only. 

Max H. Schroeder, s.n..  8/10/1976. 		RM 338008
     with Gary L. Ranck
_________________________________________________________________________

846.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Platte County: Southeast Plains: Cottonwood Creek, ca 2.5 mi E of I-25 at El Rancho Road exit.  Elev. 4700 ft.
T27N R68W S28 N1/2 NE/14.  42.2836 N, 105.0184 W; uncertainty 0.5 mi..  
Populus angustifolia grove along creek on mixed alluvium with understory of Acer negundo, Prunus virginiana, and Bromus inermis. Phenology: vegetative only. 

Michael Oliver, 287.  7/1/1991. 		RM 681991	Barcode: RM0125907
_________________________________________________________________________

847.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Natrona County: North end Laramie Range: Middle Fork Elkhorn Creek S of Casper.  Elev. 5720 ft.
T33N R79W S35 NE1/4 SE1/4.  42.7857 N, 106.2909 W; uncertainty 0.25 mi..  
Acer negundo community on first terrace bordering stream with patchy understory of Salix amygdaloides, Crataegus, and Prunus virginiana on alluvium derived from dark shale. Phenology: vegetative only. 

Michele Barlow, 100.  7/9/1991. 		RM 681844	Barcode: RM0125909
_________________________________________________________________________

848.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Southeast Absaroka Mountains: southwest shoulder of Picketts Knob, ca 5.5 air mi SE of Brooks Lake.  Elev. 9280 ft.
T43N R109W S12.  43.7058 N, 109.8785 W; uncertainty 1 mi..  
Spruce-fir forest, wet meadow. Phenology: vegetative only. 

Mike Bynum, 458.  7/22/1994. 		RM 602289	Barcode: RM0031934
_________________________________________________________________________

849.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Teton National Forest: near Arizona Ranger Station.  Elev. 6700 ft.
T46N R116W S3.  43.9793 N, 110.7652 W; uncertainty 1 mi..  
Moist meadow; sandy loam soil; abundant. Phenology: vegetative only. 

R. H. Ohl, 48.  7//1928. 		USFS 400028	Barcode: USFS0066471
_________________________________________________________________________

850.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Sand Creek: along the Colorado border near Camel Rock; castle Rock and the weird wind erosions.  Elev. 7600 ft.
T12N R75W S13; also S12.  41.0099 N, 105.7553 W; uncertainty 2 mi..  
In moist canyon. Phenology: vegetative only. 

Robert J. Hill, 76.  6/9/1973. 		RM 391399	Barcode: RM0125456
_________________________________________________________________________

851.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Washakie National Forest: W of Sheridan Creek Ranger Station.  Elev. 8200 ft.
T42N R109W S2.  43.6338 N, 109.8985 W; uncertainty 1 mi..  
Boggy ground. Phenology: vegetative only. 

Richard T. Guthrie, 20.  6/29/1914. 		USFS 400030	Barcode: USFS0030464
_________________________________________________________________________

852.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Lincoln County: Snake River Canyon.  Elev. 5800 ft.
T37N R117W S8; also S7, S9, and S10.  43.1967 N, 110.9045 W; NAD 83, uncertainty 1 mi., Nat. Geog. TOPO!.  
Creek bank associated with Epilobium and Taraxacum; common. Phenology: vegetative only. 

Robert D. Dorn, 1276.  6/21/1971. 		RM 288705
_________________________________________________________________________

853.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sweetwater County: Red Creek at Richards Gap.  Elev. 6500 ft.
T12N R105W S22.  41.0065 N, 109.2252 W; uncertainty 1 mi..  
Sandy wash associated with Juncus; sparce abundance. Phenology: vegetative only. 

Robert D. Dorn, 1316.  7/2/1971. 		RM 288709
_________________________________________________________________________

854.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Uinta County: Wasatch National Forest.  Elev. 9000 ft.
T12N R115W S18.  41.0193 N, 110.4198 W; uncertainty 1 mi..  
Pond edge associated with Carex and Salix; common. Phenology: spores. 

Robert D. Dorn, 1326.  7/3/1971. 		RM 288712
_________________________________________________________________________

855.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Near confluence of Snowshoe Creek and Warm Springs Creek.  Elev. 8200 ft.
T42N R108W S29.  43.5762 N, 109.8387 W; uncertainty 1 mi..  
Stream bank associated with Frageria; common. Phenology: spores. 

Robert D. Dorn, 1344.  7/18/1971. 		RM 288637
_________________________________________________________________________

856.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Washakie County: Newcastle.  Elev. 4300 ft.
T45N R61W S29 NE1/4.  43.853 N, 104.2097 W; uncertainty 0.5 mi..  
Wet drainageway with Salix exigua and Solidago. Phenology: vegetative only. 

Robert D. Dorn, 7389.  7/6/1997. 		RM 621770	Barcode: RM0125308
_________________________________________________________________________

857.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Natrona County: Casper Mountain: Camp Wyoba area.  Elev. 8000 ft.
T32N R79W S21.  42.7352 N, 106.3209 W; uncertainty 1 mi..  
Wet soil. Phenology: spores. 

Robert L. Tresler, 75.  6/8/1963. 		RM 273768	Barcode: RM0125288
_________________________________________________________________________

858.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Snake River Basin: near northeast corner of Jackson Lake.  Elev. 6742 ft.
T47N R115W S29; also S32.  44.011 N, 110.6855 W; uncertainty 1 mi..  
Exposed muddy shore near northeast corner of Lake. Phenology: vegetative only. 

Robert T. Clausen, 5055.  8/11/1940. 		RM 366353	Barcode: RM0125298
     with Harold Trapido
_________________________________________________________________________

859.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Gros Ventre Mountains: Tent Creek.  Elev. 6400 ft.
T42N R114W S2.  43.6338 N, 110.4961 W; uncertainty 1 mi..  
Growing with Ribes sp. and Salix sp.; common along stream. Phenology: spores. 

Robert W. Lichvar, 116.  5/26/1977. 		RM 315910
_________________________________________________________________________

860.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Gros Ventre Mountains: Tent Creek.  Elev. 6400 ft.
T42N R114W S2.  43.6338 N, 110.4961 W; uncertainty 1 mi..  
Growing with Ribes sp. and Frageria sp; frequent on moist soil along streams. Phenology: spores. 

Robert W. Lichvar, 127.  5/28/1977. 		RM 315909	Barcode: RM0125510
_________________________________________________________________________

861.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Gros Ventre Mountains: Gros Ventre Slide.  Elev. 6800 ft.
T42N R114W S5.  43.6338 N, 110.5558 W; uncertainty 1 mi..  
Growing with Juncus sp. and Carex sp.; frequent in backwash area. Phenology: vegetative only. 

Robert W. Lichvar, 737.  7/11/1977. 		RM 315913	Barcode: RM0125512
_________________________________________________________________________

862.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Gros Ventre Mountains: Cache Creek.  Elev. 6500 ft.
T40N R115W S7.  43.4423 N, 110.6882 W; uncertainty 1 mi..  
Growing with Alnus incana and Picea pungens; frequent in dark soil in shaded area. Phenology: vegetative only. 

Robert W. Lichvar, 886.  7/7/1977. 		RM 315912	Barcode: RM0125513
_________________________________________________________________________

863.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Sierra Madre: North Fork Encampment River, ca 2.5 air mi SW of Encampment.  Elev. 7600 ft.
T14N R84W S15.  41.1822 N, 106.8249 W; uncertainty 1 mi..  
Small patch on moist bank. Phenology: vegetative only. 

Roger L. Williams, 465.  5/17/1987. 		RM 396596	Barcode: RM0125455
_________________________________________________________________________

864.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Lincoln County: Teton National Forest: Bryan Flat Ranger Station.  Elev. 6000 ft.
T38N R115W S9.  43.2707 N, 110.6491 W; uncertainty 1 mi..  
12% north slope; deep clay loam soil; with violets and sedge; around springs. Phenology: vegetative only. 

Roy Conner, 46.  7/29/1927. 		USFS 407714	Barcode: USFS0066468
_________________________________________________________________________

865.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sheridan County: Little Goose Canyon.  Elev. 4900 ft.
T53N R85W S1.  44.5995 N, 107.039 W; uncertainty 1 mi..  
Stream banks. Phenology: vegetative only. 

Seymour S. Sharp, 366.  6/22/1913. 		RM 78052	Barcode: RM0125281
_________________________________________________________________________

866.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sheridan County: Little Goose Canyon.  Elev. 4900 ft.
T53N R85W S1.  44.5995 N, 107.039 W; uncertainty 1 mi..  
Stream banks. Phenology: vegetative only. 

Seymour S. Sharp, 366.  6/22/1913. 		RM 78153	Barcode: RM0125282
_________________________________________________________________________

867.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Converse County: Southeast Plains: Wagon Hound Creek, ca 0.5 mi E of Wyo Hwy 94, ca 9 mi S of Douglas.  Elev. 4850 ft.
T31N R71W S20 NE1/4 of NE1/4 of SW1/4.  42.6452 N, 105.3941 W; uncertainty 0.25 mi..  
Mixed-age Acer negundo community along stream terrace with understory of Bromus inermis. Phenology: vegetative only. 

Steve Kettler, 628.  7/27/1991. 		RM 681995	Barcode: RM0125908
_________________________________________________________________________

868.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Absaroka Range: Wind River Indian Reservation, Crow Creek Basin, ca 19 air mi ENE of Dubois.  Elev. 8640 ft.
T7N R4W S17.  43.584 N, 109.2578 W; uncertainty 1 mi..  
Phenology: vegetative only. 

Tad Day, 37.  7/17/1981. 		RM 342172	Barcode: RM0125514
     with Kevin Berner
_________________________________________________________________________

869.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sheridan County: Middle Little Goose.
Moist shady banks. Phenology: vegetative only. 

Vie Willits, 314.  7/17/1909. 		RM 69160	Barcode: RM0125293
_________________________________________________________________________

870.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sheridan County: Sheridan.
T56N R84W S25; also S26.  44.8051 N, 106.9175 W; uncertainty 9+ mi..  
East pasture, sunny swampy soil. Phenology: vegetative only. 

Vie Willits, 443.  7/20/1918. 		RM 69177	Barcode: RM0125294
_________________________________________________________________________

871.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Game and Fish East Fork Winter Range: East Fork Unit: Bear Creek at Game and Fish Headquarters, ca 10.5 air mi NE of Dubois.  Elev. 7500 ft.
T43N R105W S31 NE1/4.  43.6482 N, 109.5001 W; uncertainty 0.5 mi..  
Growing in gravelly sand to loam in riparian area to south facing hill (1-15%) above creek; dominants include Picea pungens, Betula, aspen, cottonwood, sedge, grass, and forbs. Phenology: vegetative only. 

William A. Gerhart, 116.  6/12/1981. 		RM 337917	Barcode: RM0125335
     with D. Jones and D. Rizor.
_________________________________________________________________________

872.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Sandoval County: Valles Caldera National Preserve: Jemez Mountains: 0.9 road mi SW of fork at top of Redondo Creek Canyon.  Elev. 9100-9200 ft.
35 53' 48" N, 106 34' 18.5" W; uncertainty 1 mi..  
Roadside and streambottoms. Phenology: vegetative only. 

Ronald L. Hartman, 72774.  7/25/2001. 		RM 711883	Barcode: RM0069853
_________________________________________________________________________

873.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: South-central Wyoming: along Muddy Creek on the north end of Peach Orchard Flat, ca 14.5 air mi N of Baggs; ca 41 air mi SW of Rawlins.  Elev. 6420-6440 ft.
T15N R91W S30 SE1/4.  41.2434 N, 107.6787 W.  
Banks and low benches along the stream channel. Phenology: vegetative only. 

B. E. Nelson, 670825.  8/15/1996. 		 
_________________________________________________________________________

874.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Sheep Mountain: Halls Creek.  Elev. 8500 ft.
T15N R77W S17.  41.2684 N, 106.0609 W; uncertainty 1 mi..  
Moist stream bottom near creek. Phenology: vegetative only. 

Webster B. Jones, 156.  8/8/1970. 		USFS 400031	Barcode: USFS0066462
_________________________________________________________________________

875.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Sandoval County: Valles Caldera National Preserve: Jemez Mountains: Sulphur Springs gate NE ca 1 road mi to and beyond Sulphur Springs.  Elev. 8200-8400 ft.
35 54' 12.9" N, 106 37' 15.2" W; uncertainty 1 mi..  
Roadside, stream bottoms, and sulphur springs. Phenology: vegetative only. 

Ronald L. Hartman, 73198.  7/30/2001. 		RM 711882	Barcode: RM0069854
_________________________________________________________________________

876.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Laramie County: Laramie Mountains: ca 22.5 air mi W of Cheyenne, ca 3.5 air mi NE of Buford.  Elev. 7550 ft.
T14N R70W S28 SW1/4.  41.1508 N, 105.2446 W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO!.  
Short grass and open ponderosa pine forest communities with several small streams Phenology: vegetative only. 

William C. Edwards, 160.  7/5/1979. 		RM 346521	Barcode: RM0125516
_________________________________________________________________________

877.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Uinta County: Mountain View.  Elev. 6800 ft.
T14N R114W S23.  41.178 N, 110.2283 W; uncertainty 1 mi..  
Disturbed meadow; dry loamy, slightly alkaline soil. Phenology: vegetative only. 

Windsor Copley, 217.  8/21/1989. 		RM 544505	Barcode: RM0125458
_________________________________________________________________________

878.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Riverton, CWC apartments.  Elev. 5140 ft.
T1N R4E S29.  43.0337 N, 108.4291 W; uncertainty 1 mi..  
Ditch bank along the bordering fence W of apartments. Phenology: spores. 

Yoshiko Akashi, 83.  5/18/1982. 		RM 354589	Barcode: RM0125451
_________________________________________________________________________

879.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Lincoln County: Snake River Canyon.  Elev. 5800 ft.
T37N R117W S8; also S7, S9, and S10.  43.1967 N, 110.9045 W; NAD 83, uncertainty 1 mi., Nat. Geog. TOPO!.  
Creek bank associated with Epilobium and Taraxacum; common. Phenology: vegetative only. 

Robert D. Dorn, 1276.  6/21/1971. 		RM 288705
_________________________________________________________________________

880.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sweetwater County: Red Creek at Richards Gap.  Elev. 6500 ft.
T12N R105W S22.  41.0065 N, 109.2252 W; uncertainty 1 mi..  
Sandy wash associated with Juncus; sparce abundance. Phenology: vegetative only. 

Robert D. Dorn, 1316.  7/2/1971. 		RM 288709
_________________________________________________________________________

881.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Uinta County: Wasatch National Forest.  Elev. 9000 ft.
T12N R115W S18.  41.0193 N, 110.4198 W; uncertainty 1 mi..  
Pond edge associated with Carex and Salix; common. Phenology: spores. 

Robert D. Dorn, 1326.  7/3/1971. 		RM 288712
_________________________________________________________________________

882.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Near confluence of Snowshoe Creek and Warm Springs Creek.  Elev. 8200 ft.
T42N R108W S29.  43.5762 N, 109.8387 W; uncertainty 1 mi..  
Stream bank associated with Frageria; common. Phenology: spores. 

Robert D. Dorn, 1344.  7/18/1971. 		RM 288637
_________________________________________________________________________

883.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Crook County: Bear Lodge Mountains: Beaver Creek.  Elev. 5000 ft.
1 N, W.  
Seepage area associated with Carex and Juncus; sparce abundance. Phenology: vegetative only. 

Robert D. Dorn, 1452.  8/29/1971. 		RM 288716
_________________________________________________________________________

884.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Crook County: Sand Creek.  Elev. 3600 ft.
T42N R60W S8.  43.6283 N, 104.0936 W; uncertainty 1 mi..  
Stream bank with Vitis and Toxicodendron. Phenology: vegetative only. 

Robert D. Dorn, 3758.  7/25/1982. 		RM 339472
_________________________________________________________________________

885.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Washakie County: Newcastle.  Elev. 4300 ft.
T45N R61W S29 NE1/4.  43.853 N, 104.2097 W; uncertainty 0.5 mi..  
Wet drainageway with Salix exigua and Solidago. Phenology: vegetative only. 

Robert D. Dorn, 7389.  7/6/1997. 		RM 621770
_________________________________________________________________________

886.  Equisetum arvense L. 				Equisetaceae

U.S.A., Arizona, Gila County: Sierra Ancha National Forest:  Elev. 6600 ft.
T6N R14E S32.  
Pine-fir type forest. Phenology: spores. 

Charles P. Pase, 1651.  6/24/1966. 		RMRS 6
_________________________________________________________________________

887.  Equisetum arvense L. 				Equisetaceae

U.S.A., Arizona, Gila County: Sierra Ancha National Forest:  Elev. 6600 ft.
T6N R14E S32.  
Pine-fir type forest. Phenology: spores. 

Charles P. Pase, 1652.  6/24/1966. 		RMRS 5
_________________________________________________________________________

888.  Equisetum arvense L. 				Equisetaceae

U.S.A., Arizona, Navajo County: Apache National Forest; Sitgreaves National Forest: Wildcat Point Crossing, Black River.  Elev. 6900 ft.
T4N R27.5E S36.  33.7037 N, 109.4532 W.  
Phenology: spores. 

Charles P. Pase, 2074.  6/24/1976. 		RMRS 4
_________________________________________________________________________

889.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Sandoval County: Valles Caldera National Preserve: Jemez Mountains: Valle de los Posos, along pipeline E 0.5 mi to Santa Fe National Forest.  Elev. 8950-9100 ft.
35 55.487' N, 106 24.484' W; GPS Reading.  
Rocky road and coniferous slopes. Phenology: vegetative only. 

Ronald L. Hartman, 74683.  5/29/2002. 		RM 817027	Barcode: RM0104793
_________________________________________________________________________

890.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Jackson County: North-central Colorado: Medicine Bow Mountains: N of Camp Creek ca 1.5 air mi W of Colo Hwy 127, ca 5 air mi NE of Three Way; ca 17 air mi N of Walden.  Elev. 8550-8650 ft.
T12N R79W S28 E1/4.  40.9809 N, 106.2693 W.  
Edge of willow thickets and marshy areas. Phenology: vegetative only. 

B. E. Nelson, 49249.  6/13/2000. 		RM 759047
_________________________________________________________________________

891.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Jackson County: North-central Colorado: Park Range: between forest boundary and abandoned mine ca 2 air mi W of Pitchpine Mountain, ca 16-16.5 air mi W of Walden.  Elev. 8730-9200 ft.
T8N R82W S10.  40.6768 N, 106.5858 W.  
Old beaver pond. Phenology: vegetative only. 

B. E. Nelson, 49305.  6/13/2000. 		RM 759046
_________________________________________________________________________

892.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Jackson County: North-central Colorado: Park Range: between forest boundary and abandoned mine ca 2 air mi W of Pitchpine Mountain, ca 16-16.5 air mi W of Walden.  Elev. 8730-9200 ft.
T8N R82W S10.  40.6768 N, 106.5858 W.  
Marshy area in aspen-fir forest. Phenology: vegetative only. 

B. E. Nelson, 49352.  6/13/2000. 		RM 759045
_________________________________________________________________________

893.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Jackson County: North-central Colorado: Medicine Bow Mountains: on County Road 8A along Mendenhall Creek, ca 7.5 air mi E of Cowdrey; ca 10 air mi NE of Walden.  Elev. 8500-8900 ft.
T10N R78W S8 E1/2.  40.8502 N, 106.1741 W.  
Along the stream in aspen forest. Phenology: vegetative only. 

B. E. Nelson, 49538.  6/18/2000. 		RM 759044
_________________________________________________________________________

894.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Jackson County: North-central Colorado: Medicine Bow Mountains: along Cabin Creek and vicinity, E of the end of County Road 12E, E of the southeast base of Elk Mountain, ca 14 air mi E of Walden.  Elev. 8600-9200 ft.
T9N R77W S34 NE1/4; also NW1/4 S35.  40.705 N, 106.0217 W.  
Along streams and springs in aspen forest. Phenology: vegetative only. 

B. E. Nelson, 49605.  6/18/2000. 		RM 759088
_________________________________________________________________________

895.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Routt County: North-central Colorado: Elkhead Mountains: Lost Park, ca 4 air mi E of Black Mountain, ca 32 air mi NW of Steamboat Springs; ca 23.5 air mi NE of Craig.  Elev. 8880-8960 ft.
T10N R88W S29 SW1/4.  40.7947 N, 107.2899 W.  
Moist to wet, open spruce-fir forest. Phenology: vegetative only. 

B. E. Nelson, 49742.  6/20/2000. 		RM 759087
_________________________________________________________________________

896.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Routt County: North-central Colorado: Elkhead Mountains: along South Fork Slater Creek at the forest boundary, ca 34 air mi NW of Steamboat Springs; ca 26 air mi NNE of Craig.  Elev. 7700-8000 ft.
T10N R88W S8 SW1/4.  40.8379 N, 107.2899 W.  
Along the stream. Phenology: vegetative only. 

B. E. Nelson, 49811.  6/20/2000. 		RM 759086
_________________________________________________________________________

897.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Jackson County: North-central Colorado: Rabbit Ears Range: near the head of Grassy Run Creek W of Green Ridge, ca 3 air mi N of Sheep Mountain, ca 5 air mi SW of Rand; ca 22.5 air mi S of Walden.  Elev. 9440-9540 ft.
T5N R79W S15 W1/2.  40.4017 N, 106.2449 W.  
Marshy area with spruce-fir. Phenology: vegetative only. 

B. E. Nelson, 49870.  6/27/2000. 		RM 759085
_________________________________________________________________________

898.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Jackson County: North-central Colorado: Rabbit Ears Range: along Willow Creek and Forest Road 106, ca 4.5 air mi N of Haystack Mountain, ca 4 air mi S of Rand; ca 24 air mi SSE of Walden.  Elev. 8940-9040 ft.
T5N R78W S19 N1/2.  40.3872 N, 106.188 W.  
Willow thickets along the creek. Phenology: vegetative only. 

B. E. Nelson, 49908.  6/27/2000. 		RM 759084
_________________________________________________________________________

899.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Jackson County: North-central Colorado: Medicine Bow Mountains: along South Fork Canadian River ca 1/4 - 1/2 mi S of the confluence, ca 6 air mi N of Gould; ca 16 air mi SE of Walden.  Elev. 8600-8700 ft.
T8N R77W S34 SW1/4.  40.6189 N, 106.0176 W; uncertainty 0.5 mi..  
Sandbars and wet creek bottom. Phenology: vegetative only. 

B. E. Nelson, 49988.  6/28/2000. 		RM 759083
_________________________________________________________________________

900.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Routt County: North-central Colorado: Elkhead Mountains: rim S of California Park between Quaker Mountain and Anthracite Ridge on Forest Road 150, ca 16 air mi NNW of Hayden.  Elev. 8480-8640 ft.
T9N R87W S35 NW1/4.  40.6941 N, 107.1197 W.  
Around ponds and marshy areas. Phenology: vegetative only. 

B. E. Nelson, 50075.  6/29/2000. 		RM 759082
_________________________________________________________________________

901.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Jackson County: North-central Colorado: North Park: along Indian Creek and County Road 53, ca 1 air mi NW of Ironclad Mountain, ca 12 air mi SSW of Hebron; ca 23 air mi SSW of Walden.  Elev. 8540-8600 ft.
T5N R81W S2 SW1/4.  40.4306 N, 106.4532 W.  
Willow thickets along the creek. Phenology: vegetative only. 

B. E. Nelson, 50162.  6/29/2000. 		RM 759081
_________________________________________________________________________

902.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Jackson County: North-central Colorado: Medicine Bow Mountains: along a tributary of North Fork Michigan River, ca 1.5 air mi W of Montgomery Pass, ca 5 air mi ENE of Gould; ca 22.5 air mi SE of Walden.  Elev. 9600 ft.
T7N R76W S28 SW1/4.  40.5465 N, 105.9229 W.  
Stream bank and adjacent marshy area in mixed conifer forest. Phenology: vegetative only. 

B. E. Nelson, 50267.  7/5/2000. 		RM 759080
_________________________________________________________________________

903.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Jackson County: North-central Colorado: Never Summer Mountains: along old logging road-trail between the Illinois River and Illinois Pass, ca 10 air mi S of Gould; ca 29 air mi SE of Walden.  Elev. 9800-10000 ft.
T5N R77W S27 SE1/4; also W1/2 S26.  40.3727 N, 106.0176 W.  
Moist open and marshy areas in mixed conifer forest. Phenology: vegetative only. 

B. E. Nelson, 50293.  7/6/2000. 		RM 759079
_________________________________________________________________________

904.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Jackson County: North-central Colorado: Never Summer Mountains: along the Illinois River at the junction of Forest Roads 750 and 765, ca 8.5 air mi S of Gould; ca 26 air mi SE of Walden.  Elev. 9100 ft.
T5N R77W S16 NE1/4.  40.4017 N, 106.0365 W.  
Under large spruce trees along the river. Phenology: vegetative only. 

B. E. Nelson, 50356.  7/6/2000. 		RM 759078
_________________________________________________________________________

905.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Routt County: North-central Colorado: Park Range: along King Solomon Creek ca 2 air mi NW of Little Red Park, ca 4 air mi NNE of Columbine; ca 30 air mi N of Steamboat Springs.  Elev. 8160-8240 ft.
T11N R85W S16 SW1/4.  40.9097 N, 106.9305 W.  
Meadows, sandbars, and willow thickets along the creek. Phenology: vegetative only. 

B. E. Nelson, 51591.  8/7/2000. 		RM 759077
_________________________________________________________________________

906.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Routt County: North-central Colorado: Elkhead Mountains: along Slater Creek in the western part of Slater Park, ca 2.5 air mi SE of Columbus Mountain; ca 25 air mi NNE of Hayden.  Elev. 8160-8360 ft.
T10N R87W S4 SW1/4; also NW1/4 S9.  40.8522 N, 107.1575 W.  
Bench, slopes, and sandbars along the creek. Phenology: vegetative only. 

B. E. Nelson, 51673.  8/8/2000. 		RM 759076
_________________________________________________________________________

907.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Moffat County: North-central Colorado: Elkhead Mountains: on a point ca 1.5 air mi WSW of Sand Point and S of Fourmile Creek drainage, ca 21.5 air mi NNE of Craig.  Elev. 8960-9250 ft.
T10N R90W S13 South1/2; also NE1/4 S24.  40.8235 N, 107.4413 W.  
Along ravine and seep area in mixed conifer-aspen forest. Phenology: vegetative only. 

B. E. Nelson, 51785.  8/14/2000. 		RM 759075
_________________________________________________________________________

908.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Moffat County: North-central Colorado: Elkhead Mountains: around Freeman Reservoir and along Little Cottonwood Creek below, ca 18.5 air mi NNE of Craig.  Elev. 8720-8760 ft.
T9N R89W S6 W1/4.  40.766 N, 107.4224 W; uncertainty 0.5 mi..  
Along the creek and beaver ponds. Phenology: vegetative only. 

B. E. Nelson, 51892.  8/15/2000. 		RM 759074
_________________________________________________________________________

909.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Jackson County: North-central Colorado: Park Range: Lake Percy and along the creek below, ca 1/4 mi E of the Continental Divide, ca 4 air mi NW of Rabbit Ears Peak, ca 26-27 air mi SW of Walden.  Elev. 9400-10060 ft.
T6N R83W S24 NE1/4; also T6N R82W NW1/4 S19.  40.4741 N, 106.6615 W.  
Lakeshore, adjacent meadows, and wooded areas. Phenology: vegetative only. 

B. E. Nelson, 51951.  8/17/2000. 		RM 759073
_________________________________________________________________________

910.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Jackson County: North-central Colorado: Park Range: below Rabbit Ears Peak on the north and east sides, ca 23 air mi W of Rand; ca 27 air mi SW of Walden.  Elev. 9800-10100 ft.
T5N R82W S4 N1/2.  40.4216 N, 106.6039 W.  
Moist to wet areas in old (40-50 years?) clearcuts in spruce-fir forest with limmited regeneration. Phenology: vegetative only. 

B. E. Nelson, 52018.  8/17/2000. 		RM 759023
_________________________________________________________________________

911.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Jackson County: North-central Colorado: Rabbit Ears Range: along Middle Fork Arapaho Creek on Forest Road 700, ca 1.5 air mi W of Arapaho Ridge, ca 10.5 air mi SW of Rand; ca 24 air mi S of Walden.  Elev. 9480-9520 ft.
T5N R80W S22 SE1/4; also SW1/4 S23.  40.3872 N, 106.3585 W.  
Stream bank and edge of a willow marsh. Phenology: vegetative only. 

B. E. Nelson, 52086.  9/6/2000. 		RM 759022
_________________________________________________________________________

912.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Jackson County: North-central Colorado: North Park: Colo Hwy 14, ca 14 air mi SW of Walden.  Elev. 8200 ft.
T7N R81W S15.  40.5755 N, 106.4721 W.  
Roadside and inundated ditches. Phenology: vegetative only. 

Ronald L. Hartman, 67209.  6/6/2000. 		RM 759021
_________________________________________________________________________

913.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Routt County: North-central Colorado: Elkhead Mountains: First Creek, ca 4 air mi S of California Park Guard Station.  Elev. 7800-7900 ft.
T9N R87W S16; also S21 and S22.  40.7373 N, 107.1575 W.  
Meadows and streamside. Phenology: vegetative only. 

Ronald L. Hartman, 67960.  7/10/2000. 		RM 759020
_________________________________________________________________________

914.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Jackson County: North-central Colorado: Never Summer Mountains: 0.3-0.5 air mi S of Cameron Pass, ca 7.5 air mi E of Gould.  Elev. 10200 ft.
T6N R76W S2 SW1/4.  40.5175 N, 105.885 W; uncertainty 0.5 mi..  
Spruce forest between highway and into spruce-fir forest with water transport ditch. Phenology: vegetative only. 

Ronald L. Hartman, 68280.  7/14/2000. 		RM 759019
_________________________________________________________________________

915.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Jackson County: North-central Colorado: Medicine Bow Mountains: Colorado State Forest: ca 4 air mi NE of Gould.  Elev. 9400-9500 ft.
T7N R76W S7 South1/4.  40.5899 N, 105.9608 W; uncertainty 0.5 mi..  
Logging road bordered by lodgepole pine, aspen, and alder. Phenology: vegetative only. 

Ronald L. Hartman, 68497.  7/20/2000. 		RM 759018
     with Sarah Nunn
_________________________________________________________________________

916.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Jackson County: North-central Colorado: Park Range: Fryingpan Trail, ca 1.5 mi W of N-S trail near Shafer Ranch or near 9200 ft contour then  Elev. 9160 ft.
T10N R82W S10 NE1/4 of NW1/4; N 01-02 air mi to kettle lake, largest in a tight series of four, ca 18 air mi NW of Walden .  40.8502 N, 106.5932 W.  
Kettle lake with floating mats of sedge, sphagnum, etc.  Sundew only seen in one small area, ca 100 individuals. Phenology: vegetative only. 

Ronald L. Hartman, 68759.  7/24/2000. 		RM 759017
     with Sarah Nunn
_________________________________________________________________________

917.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Jackson County: North-central Colorado: Park Range: trail from Big Creek Lakes S to 1-0 trail mi from Fryinpan Trail, ca 18 air mi NW of Walden.  Elev. 8600-8700 ft.
T10N R82W S2.  40.8647 N, 106.5741 W.  
Trail through lodgepole pine forest. Phenology: vegetative only. 

Ronald L. Hartman, 68958.  7/27/2000. 		RM 759016
     with Sarah Nunn
_________________________________________________________________________

918.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Sandoval County: Valles Caldera National Preserve: Jemez Mountains: northside of Cerro San Luis at base.  Elev. 8600 ft.
35 57.213' N, 106 33.063' W to 35 56.965' N, 106 31.247' W; GPS Reading.  
Grassland and streamside. Phenology: vegetative only. 

Ronald L. Hartman, 76528.  8/14/2002. 		RM 735610	Barcode: RM0069855
_________________________________________________________________________

919.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Jackson County: North-central Colorado: Medicine Bow Mountains: Jack Creek and vicinity, 0.5 air mi SW of Calamity Pass, ca 6 air mi S of Gould.  Elev. 9100 ft.
T5N R77W S3 NW1/4.  40.4306 N, 106.0176 W.  
Spruce-fir forest. Phenology: vegetative only. 

Ronald L. Hartman, 69365.  7/31/2000. 		RM 759015
_________________________________________________________________________

920.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Jackson County: North-central Colorado: Park Range: Livingston Park, series of 6 to 7 lakes, ca 17 air mi WSW of Walden.  Elev. 8700 ft.
T8N R82W S16 E1/4; also W1/4 S15.  40.6623 N, 106.6047 W.  
Wet areas. Phenology: vegetative only. 

Ronald L. Hartman, 69469.  8/7/2000. 		RM 759014
_________________________________________________________________________

921.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Jackson County: North-central Colorado: Never Summer Mountains: Colorado State Forest: Upper Michigan Ditch, ca 7-7.5 air mi E of Gould.  Elev. 10200 ft.
T6N R76W S2; also NE1/4 S11.  40.5175 N, 105.885 W.  
Wet areas and along dirt road through spruce-fir. Phenology: vegetative only. 

Ronald L. Hartman, 69798.  8/11/2000. 		RM 759013
_________________________________________________________________________

922.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Jackson County: North-central Colorado: Park Range: Beaver Creek-Stump Park Trail, 1.5 trail mi from trail head to Buffalo Ridge Trail to Davis Peak, ca 25-26 air mi NW of Walden.  Elev. 9600-10189 ft.
T11N R83W S10; also S11 and S12.  40.9373 N, 106.7075 W.  
Spruce-fir forests and wet areas. Phenology: vegetative only. 

Ronald L. Hartman, 69870.  8/15/2000. 		RM 759012
_________________________________________________________________________

923.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Routt County: North-central Colorado: Park Range: at the junction of Bedrock and Tennessee creeks, along Beeler Gulch and vicinity, ca 35.5 air mi NNW of Steamboat Springs.  Elev. 7320-7420 ft.
T12N R86W S27 W1/4.  40.967 N, 107.0245 W; uncertainty 1 mi..  
Muddy areas along the stream. Phenology: vegetative only. 

B. E. Nelson, 53322.  6/27/2001. 		RM 762924
_________________________________________________________________________

924.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Jackson County: North-central Colorado: Rabbit Ears Range: along Grassy Run or Trail 1135 on the east side of Arapaho Ridge, ca 7.5-8 air mi SW of Rand; ca 23.5 air mi S of Walden.  Elev. 10150-11400 ft.
T5N R79W S20 S1/2.  40.3873 N, 106.2846 W; uncertainty 1 mi..  
Moist meadows along small stream in mixed conifer forest. Phenology: vegetative only. 

B. E. Nelson, 54095.  7/16/2001. 		RM 762923
_________________________________________________________________________

925.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Jackson County: North-central Colorado: Rabbit Ears Range: ca 1 1/4 air mi S of Slack-Weiss Reservoir and ca 2 air mi WNW of the north end of Arapaho Ridge, ca 21.5 air mi S of Walden.  Elev. 9120-9220 ft.
T5N R80W S10 NW1/4.  40.4163 N, 106.3604 W; uncertainty 0.5 mi..  
Moist meadows and willow thickets. Phenology: vegetative only. 

B. E. Nelson, 54156.  7/17/2001. 		RM 762922
_________________________________________________________________________

926.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Routt County: North-central Colorado: Park Range: Hinman Lake and vicinity to Hinman Creek, ca 1.5 air mi N of the Elk River, ca 6.5 air mi NE of Clark; ca 20 air mi N of Steamboat Springs.  Elev. 8195-8200 ft.
T9N R84W S5 NE1/4; also W1/2 S4.  40.7658 N, 106.8354 W; uncertainty 1 mi..  
Meadows and open areas around the lake. Phenology: vegetative only. 

B. E. Nelson, 54857.  7/30/2001. 		RM 762917
_________________________________________________________________________

927.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Sandoval County: Valles Caldera National Preserve: Jemez Mountains: geothermal well 0.2-0.4 road mi N of the Union Building.  Elev. 8624 ft.
35 52.617' N, 106 35.27' W; GPS Reading.  
Roadsides, stream banks, and well pads. Phenology: vegetative only. 

Ronald L. Hartman, 76894.  8/21/2002. 		RM 735235	Barcode: RM0069856
_________________________________________________________________________

928.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Routt County: North-central Colorado: Park Range: along Middle Fork Little Snake River just N of Crane Park, ca 6.5 air mi NNE of Columbine; ca 32 air mi N of Steamboat Springs.  Elev. 8260-8280 ft.
T11N R85W S4 NE1/4.  40.9382 N, 106.9299 W; uncertainty 0.5 mi..  
River banks and meadows. Phenology: vegetative only. 

B. E. Nelson, 54956.  7/31/2001. 		RM 762916
_________________________________________________________________________

929.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Routt County: North-central Colorado: Park Range: at the head of Middle Fork Little Snake River, and along the Continental Divide, ca 1-2 air mi ENE of Big Red Park, ca 8-9 air mi ENE of Columbine; ca 30 air mi N of Steamboat Springs.  Elev. 9120-10359 ft.
T11N R84W S8 E1/2; also NW1/4 S17.  40.9239 N, 106.8354 W; uncertainty 2 mi..  
Moist to wet meadows with willow thickets. Phenology: vegetative only. 

B. E. Nelson, 55070.  8/1/2001. 		RM 762915
_________________________________________________________________________

930.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Routt County: North-central Colorado: Park Range: northern part of Green Ridge on Forest Road 285, ca 7-7.5 air mi SE of Oak Creek; ca 4.5 air mi NE of Yampa.  Elev. 9160-9440 ft.
T3N R84W S30.  40.2011 N, 106.8588 W; uncertainty 1 mi..  
Along brushy small stream. Phenology: vegetative only. 

B. E. Nelson, 55209.  8/6/2001. 		RM 762914
_________________________________________________________________________

931.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Routt County: North-central Colorado: Elkhead Mountains: along South Fork Slater Creek, ca 1 1/4-1 3/4 air mi N of Lost Park, ca 22-22.5 air mi N of Hayden.  Elev. 8240-8700 ft.
T10N R88W S20.  40.8089 N, 107.2894 W; uncertainty 1 mi..  
Gravel bars. Phenology: vegetative only. 

B. E. Nelson, 55592.  8/13/2001. 		RM 762913
_________________________________________________________________________

932.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Routt County: North-central Colorado: Park Range: along Forest Road 443 and Trail 1164 between Three Island Creek and South Fork Elk River, ca 19.5 air mi NNE of Steamboat Springs.  Elev. 8400-9000 ft.
T9N R83W S16 W1/2; also N1/4 S21.  40.7487 N, 106.7241 W; uncertainty 2 mi..  
Wet areas and along a stream in open spruce-fir-aspen forest. Phenology: vegetative only. 

B. E. Nelson, 56073.  8/21/2001. 		RM 762912
_________________________________________________________________________

933.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Routt County: North-central Colorado: Park Range: along Forest Road 441 to Floyd Peak above Reed Creek, ca 5-6 air mi E of Clark; ca 15 air mi N of Steamboat Springs.  Elev. 8900-9200 ft.
T9N R84W S33.  40.694 N, 106.8164 W; uncertainty 1 mi..  
Seeps, spring areas, and wet ditches. Phenology: vegetative only. 

B. E. Nelson, 56156.  8/22/2001. 		RM 762911
_________________________________________________________________________

934.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Jackson County: North-central Colorado: Rabbit Ears Range: along East Fork Arapaho Creek, ca 1.5-2 air mi W of Arapaho Ridge, ca 9 air mi SW of Rand; ca 24 air mi S of Walden.  Elev. 9700-9800 ft.
T5N R80W S24 SW1/4.  40.3873 N, 106.3225 W; uncertainty 0.5 mi..  
Old clearcut with open lodgepole pine regeneration. Phenology: vegetative only. 

B. E. Nelson, 56263.  8/27/2001. 		RM 762883
_________________________________________________________________________

935.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Jackson County: North-central Colorado: Never Summer Mountains: Never Summer Wilderness: first mile of 4-wheel drive trail.  Elev. 9400-9500 ft.
T6N R77W S36.  40 26' 45.6" N, 105 59' 5.5" W; uncertainty 1 mi..  
Coniferous forest. Phenology: vegetative only. 

Ronald L. Hartman, 71797.  7/10/2001. 		RM 762896
_________________________________________________________________________

936.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Jackson County: North-central Colorado: Medicine Bow Mountains: Forest Road 204, 0.7 road mi SE of Forest Service boundary, ca 1 air mi from Kings Canyon.  Elev. 8511 ft.
T11N R79W S13.  40.9229 N, 106.2098 W; uncertainty 1 mi..  
Phenology: vegetative only. 

Ronald L. Hartman, 73424.  8/3/2001. 		RM 762895
_________________________________________________________________________

937.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Jackson County: North-central Colorado: Park Range: Lake Percy and Round Lake.  Elev. 10130 ft.
T6N R83W S24.  40.4742 N, 106.6635 W; uncertainty 1 mi..  
Open or partly shaded areas around lakes. Phenology: vegetative only. 

Ronald L. Hartman, 74001.  8/28/2001. 		RM 762894
_________________________________________________________________________

938.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Bridger-Teton National Forest: Mount Leidy Highlands: on Forest Road 30310 above the Triangle X Ranch, ca 6 air mi SW of Moran; ca 22.5 air mi NE of Jackson.  Elev. 7020-7180 ft.
T44N R114W S20 E1/2.  43.7608 N, 110.5536 W; GPS Reading.  
Along a small stream with large spruce trees. Phenology: spores. 

B. E. Nelson, 68483.  6/7/2006. 		RM 834551	Barcode: RM0012210
     with David Scott, Nancy Bockino
_________________________________________________________________________

939.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Grand Teton National Park and Vicinity: Teton Range: lower Death Canyon NW of Phelps Lake along the Death Canyon Trail, ca 5.5-6 air mi W of Moose; ca 13-14 air mi NNW of Jackson.  Elev. 7600-8040 ft.
T43N R117W S25.  43.6641 N, 110.831 W to 43.6581 N, 110.8195 W; GPS Reading.  
Wet areas and near melting snow drifts in the basin. Phenology: spores. 

B. E. Nelson, 68630.  6/10/2006. 		RM 834550	Barcode: RM0012195
_________________________________________________________________________

940.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Bridger-Teton National Forest: Jackson Hole: along Pacific Creek below Pacific Creek Campground, ca 7.5 air mi NNE of Moran; ca 36 air mi NE of Jackson.  Elev. 7000 ft.
T46N R113W S20.  43.9345 N, 110.4468 W; GPS Reading.  
Moist meadow with cottonwoods at the base of the bluff. Phenology: vegetative only. 

B. E. Nelson, 68695.  6/12/2006. 		RM 834549	Barcode: RM0012206
_________________________________________________________________________

941.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Grand Teton National Park and Vicinity: Jackson Hole: along Pacific Creek Road, ca 3/4 mi W of Pacific Creek, ca 4 air mi NE of Moran; ca 32.5 air mi NE of Jackson.  Elev. 6980-7080 ft.
T45N R113W S6 SW1/4.  43.89 N, 110.475 W; GPS Reading.  
Bog-marsh with willow/birch margin and moss. Phenology: vegetative only. 

B. E. Nelson, 68830.  6/12/2006. 		RM 834548	Barcode: RM0012205
_________________________________________________________________________

942.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Grand Teton National Park and Vicinity: Jackson Hole: near Pilgrim Creek, ca 6 air mi NW of Moran; ca 19.5 air mi NNE of Moose.  Elev. 6980 ft.
T46N R114W S32 NE1/4.  43.9139 N, 110.5627 W; GPS Reading.  
Aquatic plant community in pond. Phenology: vegetative only. 

David Scott, 2581.  8/3/2006. 		RM 834556	Barcode: RM0012188
_________________________________________________________________________

943.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Grand Teton National Park and Vicinity: John D. Rockefeller Jr. Memorial Parkway: near Glade Creek, ca 22.5 air mi NW of Moran; ca 31 air mi N of Moose.  Elev. 7280 ft.
T48N R116W S27 NE1/4.  44.0949 N, 110.7602 W; GPS Reading.  
Carex dominated damp depression in Picea engelmannii forest. Phenology: spores. 

David Scott, 2957.  8/10/2006. 		RM 834555	Barcode: RM0012199
     with Damian Stoy
_________________________________________________________________________

944.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Bridger-Teton National Forest: Teton Wilderness: near Bailey Meadows, ca 14 air mi NNW of Moran; ca 25.5 air mi NNE of Moose.  Elev. 7740 ft.
T47N R115W S23 NE1/4.  44.0269 N, 110.6214 W; GPS Reading.  
West-facing slope with mixed conifer patches and herbaceous meadows. Phenology: vegetative only. 

David Scott, 3175.  8/16/2006. 		RM 834554	Barcode: RM0012208
     with Tacheeni Scott
_________________________________________________________________________

945.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Bridger-Teton National Forest: Teton Wilderness: near Whetstone Creek, ca 11.5 air mi NNE of Moran; ca 28 air mi NE of Moose.  Elev. 7740 ft.
T47N R113W S34 SW1/4.  43.9942 N, 110.4182 W; GPS Reading.  
Scoured streambed with cobbles and scattered Picea engelmannii and Salix spp. Phenology: vegetative only. 

David Scott, 3285.  8/20/2006. 		RM 834553	Barcode: RM0012207
     with Nancy Bockino
_________________________________________________________________________

946.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Bridger-Teton National Forest: Teton Wilderness: near East Whetstone Creek, ca 11air mi NNE of Moran; ca 27 air mi NE of Moose.  Elev. 7780 ft.
T46N R113W S10 NW1/4.  43.9422 N, 110.4157 W; GPS Reading.  
Pond shore surrounded by Picea engelmannii/Abies lasiocarpa forest. Phenology: vegetative only. 

David Scott, 3364b.  8/22/2006. 		RM 834552	Barcode: RM0012209
     with Nancy Bockino, Tacheeni Scott
_________________________________________________________________________

947.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Bridger-Teton National Forest: Sheffield Creek near Flagg Ranch, ca 20 air mi NW of Moran; ca 31 air mi N of Moose.  Elev. 6880 ft.
T48N R115W S28 SE1/4.  44.0878 N, 110.6536 W; GPS Reading.  
Mesic herbaceous meadow in area burned in 1988. Phenology: spores. 

David Scott, 569.  7/29/1965. 		RM 
     with B. E. Nelson
_________________________________________________________________________

948.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Grand Teton National Park and Vicinity: Jackson Hole: Wolff Ridge near Spread Creek, ca 3 air mi SSW of Moran; ca 13.5 air mi NE of Moose.  Elev. 6840 ft.
T44N R114W S10 NW1/4.  43.7975 N, 110.5252 W; uncertainty 0.25 mi..  
Small spring in spruce dominated forest. Phenology: vegetative only. 

David Scott, 657.  6/15/2006. 		RM 834559	Barcode: RM0012197
     with B. E. Nelson
_________________________________________________________________________

949.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Grand Teton National Park and Vicinity: Jackson Hole: near Gros Ventre Junction, ca 4 air mi S of Moose; ca 9 air mi NNE of Jackson.  Elev. 6540 ft.
T42N R115W S19 NW1/4.  43.5958 N, 110.6992 W; GPS Reading.  
Riverine community adjacent to river. Phenology: vegetative only. 

David Scott, 776b.  6/19/2006. 		RM 834558	Barcode: RM0012198
_________________________________________________________________________

950.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Grand Teton National Park and Vicinity: Jackson Hole: west shore of Jackson Lake, ca 12.5 air mi NW of Moran; ca 20 air mi N of Moose.  Elev. 6800 ft.
T46N R115W S19 N1/2.  43.9446 N, 110.7028 W; GPS Reading.  
Riparian community near stream inlet to lake. Phenology: spores. 

David Scott, 945.  6/25/2006. 		RM 834557	Barcode: RM0012177
     with Nancy Bockino
_________________________________________________________________________

951.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Grand Teton National Park and Vicinity: Jackson Hole: U.S. Hwy 26/89/191, 0.8 road mi N of Spread Creek bridge.  Elev. 6760 ft.
T44N R114W S4.  43.8072 N, 110.5329 W; uncertainty 0.25 mi..  
Sagebrush flat and adjacent roadside with patches of willows. Phenology: vegetative only. 

Ronald L. Hartman, 83071.  6/30/2006. 		RM 834547	Barcode: RM0012194
_________________________________________________________________________

952.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Grand Teton National Park and Vicinity: Jackson Hole: Spread Creek near crossing of U.S. Hwy 26/89/191.  Elev. 6820 ft.
T44N R114W S9.  43.7916 N, 110.5378 W; uncertainty 0.25 mi..  
Creek bottom and bottom land. Phenology: vegetative only. 

Ronald L. Hartman, 83077.  6/30/2006. 		RM 834546	Barcode: RM0012315
_________________________________________________________________________

953.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Bridger-Teton National Forest: Teton Wilderness: near Whetstone Mountain, ca 10 air mi NNW of Moran; ca 21 air mi NE of Moose.  Elev. 7760 ft.
T46N R113W S4 SE1/4.  43.9674 N, 110.4182 W; uncertainty 0.25 mi..  
Subalpine streambanks on slope. Phenology: spores. 

David Scott, 3490.  6/15/2007. 		RM 907523	Barcode: RM0023073
     with Tacheeni Scott
_________________________________________________________________________

954.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Bridger-Teton National Forest: Teton Wilderness: in Brown Meadows, ca 16.5 air mi NNW of Moran; ca 29 air mi NNE of Moose.  Elev. 8270 ft.
T47N R114W S6 SE1/4.  44.0655 N, 110.5818 W; uncertainty 0.25 mi..  
Montane meadow with stream flanked by Salix wolfii. Phenology: spores. 

David Scott, 3603.  6/18/2007. 		RM 907522	Barcode: RM0023072
     with Tacheeni Scott
_________________________________________________________________________

955.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Sandoval County: Valles Caldera National Preserve: Jemez Mountains: Short Canyon, lower 0.5 air mi.  Elev. 8490-8650 ft.
35 55.023' N, 106 36.191' W to 35 54.701' N, 106 35.952' W; GPS Reading.  
Grassy slopes with scattered patches of pine and oak. Phenology: vegetative only. 

Ronald L. Hartman, 78073.  7/19/2003. 		RM 768701	Barcode: RM0069850
     with Jonathan Coop
_________________________________________________________________________

956.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Bridger-Teton National Forest: Teton Wilderness: near Gravel Creek, ca 13 air mi NE of Moran; ca 30 air mi NE of Moose.  Elev. 7440 ft.
T47N R113W S26 SE1/4.  44.0022 N, 110.3772 W; GPS Reading.  
Pond margin on montane hillside. Phenology: spores. 

David Scott, 3814.  6/22/2007. 		RM 907521	Barcode: RM0023071
     with Tacheeni Scott
_________________________________________________________________________

957.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Bridger-Teton National Forest: Teton Wilderness: near Arizona Creek, ca 14.5 air mi NW of Moran; ca 25.5 air mi N of Moose.  Elev. 6930 ft.
T47N R115W S22 SE1/4.  44.0199 N, 110.6428 W; GPS Reading.  
Montane creek with Salix spp. and Alnus sp. Phenology: spores. 

David Scott, 4155.  6/30/2007. 		RM 907520	Barcode: RM0023070
     with Tacheeni Scott
_________________________________________________________________________

958.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Bridger-Teton National Forest: Teton Wilderness: near head of Gravel Creek, ca 17 air mi NE of Moran; ca 33 air mi NE of Moose.  Elev. 8320 ft.
T47N R113W S1 SW1/4.  44.0645 N, 110.3694 W; GPS Reading.  
Sedge meadow bottomland with stream. Phenology: vegetative only. 

David Scott, 4392.  7/7/2007. 		RM 907519	Barcode: RM0023069
     with Tacheeni Scott
_________________________________________________________________________

959.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Grand Teton National Park and Vicinity: John D. Rockefeller Jr. Memorial Parkway: very south edge of Tanager Lake, ca 2 air mi N of Flagg Ranch; ca 22.5 air mi NNW of Moran.  Elev. 7023 ft.
T48N R115W S17 NE1/4.  44.138 N, 110.682 W; GPS Reading.  
Some open water and outlet stream and adjacent wetlands. Phenology: vegetative only. 

Ronald L. Hartman, 86619.  8/15/2007. 		RM 907518	Barcode: RM0023068
     with David Scott
_________________________________________________________________________

960.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Grand Teton National Park and Vicinity: Teton Range: W of Rendezvous Mountain, lower South Fork Granite Canyon.  Elev. 8375-8885 ft.
T42N R117W S16.  43.599 N, 110.909 W to 43.609 N, 110.895 W; GPS Reading.  
Montane. Phenology: vegetative only. 

Ronald L. Hartman, 86741.  8/20/2007. 		RM 907517	Barcode: RM0023067
_________________________________________________________________________

961.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Targhee National Forest: Ashton Ranger District: Winegar Hole Wilderness: SE of Rock Lake.  Elev. 6527 ft.
T48N R118W S13.  44.121 N, 110.958 W; GPS Reading.  
Wetlands. Phenology: vegetative only. 

Ronald L. Hartman, 86767.  8/21/2007. 		RM 907516	Barcode: RM0023066
_________________________________________________________________________

962.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Southwestern Absarokas: Teton Wilderness: ca 12.5 air mi NE of Moran Junction; along Gravel Creek.  Elev. 7200 ft.
T47N R113W S36.  43.9966 N, 110.3639 W.  
Along creek. Phenology: vegetative only. 

Neil Snow, 1441a.  7/23/1987. 		 671843	Barcode: RM0125537
_________________________________________________________________________

963.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Sandoval County: Valles Caldera National Preserve: Jemez Mountains: East Fork Jemez River, short segment in Preserve ca 1 air mi SW of El Cajete (center of caldera).  Elev. 7920-7990 ft.
35 49.659' N, 106 34.503' W to 35 49.659' N, 106 34.683' W; GPS Reading.  
Along river with blue spruce and white fir on slopes, willow and birch scattered on bank. 

Ronald L. Hartman, 78422.  8/11/2003. 		RM 768700	Barcode: RM0069851
_________________________________________________________________________

964.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Southwestern Absarokas: Teton Wilderness: ca 11.5 mi N of Togwotee Pass.  Elev. 8050-8900 ft.
T46N R110W S27; also S28, S29, S31; also T46N R111W S36.  43.9242 N, 110.0423 W.  
Spruce-fir forest with some lodgepole pine. Phenology: vegetative only. 

Neil Snow, 1582.  7/30/1987. 		 671842	Barcode: RM0125538
_________________________________________________________________________

965.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Southwestern Absarokas: Teton Wilderness: ca 9.5 air mi NNW of Togwotee Pass.  Elev. 8350 ft.
T45N R110W S6; also S7.  43.8953 N, 110.1026 W.  
Spruce-fir forest with some lodgepole pine. Phenology: vegetative only. 

Neil Snow, 1708.  7/31/1987. 		 671841	Barcode: RM0125539
_________________________________________________________________________

966.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Southwestern Absarokas: Yellowstone National Park: ca 10 air mi N of Enos Lake, ca 16 air mi NE of Moran.  Elev. 8200 ft.
T48N R112W S11.  44.1413 N, 110.2634 W.  
Along creek. Phenology: vegetative only. 

Neil Snow, 1832.  8/7/1987. 		 671840	Barcode: RM0125540
_________________________________________________________________________

967.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Southwestern Absarokas: ca 30 air mi NW of Dubois at vicinity of Wind River Lake.  Elev. 9450 ft.
T44N R110W S28.  43.749 N, 110.0578 W.  
Spruce-fir forest with some whitebark pine. Phenology: vegetative only. 

Neil Snow, 2052.  8/16/1987. 		 671839	Barcode: RM0125541
_________________________________________________________________________

968.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Southwestern Absarokas: South Fork Shoshone River below Ishawooa Mesa, ca 35 air mi SW of Cody.  Elev. 7000 ft.
T49N R106W S26.  44.1863 N, 109.5837 W.  
Valley bottom in mixed Artemisia-Salix community. Phenology: vegetative only. 

Neil Snow, 2312.  6/19/1988. 		 671888	Barcode: RM0031926
_________________________________________________________________________

969.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Southwestern Absarokas: vicinity of South Fork Ranger Station, ca 45 air mi SW of Cody.  Elev. 6500 ft.
T48N R106W S4.  44.1581 N, 109.5964 W.  
Mixed Artemisia-Salix. Phenology: vegetative only. 

Neil Snow, 2500.  6/23/1988. 		 671884	Barcode: RM0031923
_________________________________________________________________________

970.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Southwestern Absarokas: Teton Wilderness: vicinity of Hawks Rest Patrol Cabin, ca 1.3 air mi S of Yellowstone National Park.  Elev. 8050 ft.
T48N R110W S19.  44.1123 N, 110.1026 W.  
Streamside. 

Neil Snow, 2785.  6/29/1988. 		 
_________________________________________________________________________

971.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Southwestern Absarokas: Teton Wilderness: along outfitters trail W of Throrofare Plateau, ca 2.5 air mi S of Yellowstone National Park.  Elev. 9300 ft.
T48N R110W S27.  44.0978 N, 110.0423 W.  
Picea-Pinus forest and adjacent meadows. Phenology: spores. 

Neil Snow, 2858.  6/30/1988. 		 671889	Barcode: RM0031925
_________________________________________________________________________

972.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Southwestern Absarokas: Teton Wilderness: junction of Castle Creek and Yellowstone River to Thunder Creek.  Elev. 8050 ft.
T47N R109W S12; also S13.  44.046 N, 110.006 W; NAD 83, uncertainty 1 mi., Nat. Geog. TOPO!.  
Along sandbars and banks of river. Phenology: vegetative only. 

Neil Snow, 3001.  7/2/1988. 		 671848	Barcode: RM0031928
_________________________________________________________________________

973.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Southwestern Absarokas: Teton Wilderness: along Thorofare Creek Trail to Coyote Creek, ca 1 mi SE of the southeast corner of Yellowstone National Park.  Elev. 8050-8200 ft.
T48N R110W S13; also T48N R109W S7 & S18.  44.1557 N, 110.0825 W.  
Along stream. Phenology: vegetative only. 

Neil Snow, 3240.  7/5/1988. 		 671885	Barcode: RM0031929
_________________________________________________________________________

974.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Southwestern Absarokas: Houlihan Creek drainage, ca 29 air mi SW of Cody.  Elev. 7500-8500 ft.
T50N R105W S16; also S17.  44.3023 N, 109.5032 W.  
Pseudotsuga forest. Phenology: vegetative only. 

Neil Snow, 3562.  7/13/1988. 		 671883	Barcode: RM0031930
_________________________________________________________________________

975.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Southwestern Absarokas: Teton Wilderness: along North Fork Butte Creek, W of Thorofare Buttes, ca 45 air mi SW of Cody.  Elev. 8900 ft.
T48N R108W S8; also S9.  44.1413 N, 109.8413 W.  
Gravel bars along creek. Phenology: vegetative only. 

Neil Snow, 4144.  7/30/1988. 		 671887	Barcode: RM0031931
_________________________________________________________________________

976.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Southwestern Absarokas: Teton Wilderness: ca 8 air mi ENE of Moran Junction, along Enos Lake Trail.  Elev. 8050 ft.
T45N R112W S4 SE1/4.  43.8953 N, 110.3036 W.  
Wet meadow and surrounding forest edge. Phenology: vegetative only. 

Neil Snow, 572.  6/16/1987. 		 671847	Barcode: RM0125574
_________________________________________________________________________

977.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Southwestern Absarokas: Teton Wilderness: ca 9 air mi NE of Moran Junction along Pacific Creek and Whetstone Creek trails.  Elev. 7250-7900 ft.
T46N R113W S3; also S9, S16, and S20.  43.9821 N, 110.4041 W.  
Streamsides and dry meadows with mixed lodgepole forests. Phenology: vegetative only. 

Neil Snow, 680.  7/2/1987. 		 671846	Barcode: RM0125575
_________________________________________________________________________

978.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Southwestern Absarokas: Teton Wilderness: ca 9 air mi NE of Moran Junction along Pacific Creek and Whetstone Creek trails.  Elev. 7250-7900 ft.
T46N R113W S3; also S9, S16, and S20.  43.9821 N, 110.4041 W.  
Streamsides and dry meadows with mixed lodgepole forests. Phenology: vegetative only. 

Neil Snow, 723.  7/2/1987. 		 671845	Barcode: RM0125536
_________________________________________________________________________

979.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Southwestern Absarokas: Kisinger Lakes Trail: ca 8 air mi SE of Togwotee Pass.  Elev. 8600-10000 ft.
T43N R109W S16; also S9 and S10.  43.6914 N, 109.9383 W.  
In wet meadow. Phenology: spores. 

Neil Snow, 845.  7/5/1987. 		 671844	Barcode: RM0031924
_________________________________________________________________________

980.  Equisetum arvense L. 				Equisetaceae

U.S.A., South Dakota, Lawrence County: Black Hills National Forest: Little Elk Creek at Dalton Picnic Ground.  Elev. 4400 ft.
T3N R5E S11.  
On 2 percent east slope; silty clay soil; wet meadow vegetation type with Glyceria grandis, Carex spp., and Juncus spp. Phenology: vegetative only. 

Charles P. Pase, 639.  7/6/1956. 		USFS 400814
_________________________________________________________________________

981.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Sandoval County: Valles Caldera National Preserve: Jemez Mountains: along East Fork Jemez River, ca 3/4 - 1 air mi E of NM Hwy 4, ca 8 air mi NE of Jemez Springs; ca 15 air mi WSW of Los Alamos.  Elev. 7950 ft.
35.8289 N, 106.5768 W; GPS Reading.  
Along stream and moist canyon bottom. Phenology: vegetative only. 

B. E. Nelson, 61432.  7/9/2004. 		RM 770767	Barcode: RM0069852
_________________________________________________________________________

982.  Equisetum arvense L. 				Equisetaceae

U.S.A., South Dakota, no county County: Black Hills National Forest.
On north slope; wet silt spring; aspen vegetation type. Phenology: vegetative only. 

Fred D. Douthitt, 6000.  7/6/1913. 		USFS 400870
_________________________________________________________________________

983.  Equisetum arvense L. 				Equisetaceae

U.S.A., South Dakota, Custer County: Custer State Park: Grace Coolidge Creek Picnic Area.  Elev. 4860 ft.
T3S R6E S7 SE1/4.  43.7991 N, 103.4439 W; uncertainty 0.5 mi..  
Openly wooded creek floodplain; common. Phenology: vegetative only. 

Gary E. Larson, 10619.  7/20/1991. 		RM 568133
     with James R. Johnson
_________________________________________________________________________

984.  Equisetum arvense L. 				Equisetaceae

U.S.A., South Dakota, Lawrence County: Upper Spearfish Canyon.  Elev. 4900-6100 ft.
T4N R2E S22.  44.2974 N, 103.8669 W; uncertainty 5 mi..  
Meso-canyon; white spruce and yellow pine association. Mounted with H. Hayward 869. Phenology: vegetative only. 

Herman E. Hayward, 1467.  6/25/1927. 		RM 
_________________________________________________________________________

985.  Equisetum arvense L. 				Equisetaceae

U.S.A., South Dakota, Lawrence County: Spearfish Creek between Elmore and Savoy.  Elev. 4900-5400 ft.
T4N R2E S5.  44.3361 N, 103.9115 W; uncertainty 2 mi..  
Meso slope and streamside; spruce and yellow pine association. Phenology: vegetative only. 

Herman E. Hayward, 1815.  7/3/1927. 		RM 304680
_________________________________________________________________________

986.  Equisetum arvense L. 				Equisetaceae

U.S.A., South Dakota, Lawrence County: Boxelder Creek, 4 mi NW of Nemo.  Elev. 4880 ft.
T3N R5E S18.  
Brookside; willow-birch association. Phenology: vegetative only. 

Herman E. Hayward, 2651.  8/4/1927. 		RM 110896
_________________________________________________________________________

987.  Equisetum arvense L. 				Equisetaceae

U.S.A., South Dakota, Lawrence County: Black Hills: Spearfish Canyon (upper).
T3S R6E S22.  
Mesophytic creek above lodge; birch-willow association. Mounted with H. Hayward 1467. Phenology: vegetative only. 

Herman E. Hayward, 869.  6/16/1927. 		RM 110897
_________________________________________________________________________

988.  Equisetum arvense L. 				Equisetaceae

U.S.A., South Dakota, Pennington County: Black Hills: Black Elk Wilderness, drainage S of Horsethief Lake (unnamed) ca 0.5 air mi upstream from lake along Horsethief Lake Trail, ca 5.3 air mi ESE of Hill City.  Elev. 5100 ft.
T2S R5E S11 SE1/4 of SE1/4.  43.8853 N, 103.4841 W; uncertainty 0.25 mi..  
Mossy bank above creek with white spruce and paper birch. Phenology: spores. 

Hollis Marriott, 11801.  5/22/2000. 		RM 698862
     with Cheryl Mayer
_________________________________________________________________________

989.  Equisetum arvense L. 				Equisetaceae

U.S.A., South Dakota, Custer County: Black Hills: Black Elk Wilderness, upper Iron Creek at confluence with dry tributary from NE, ca 1.8 air mi SSE of Harney Peak Lookout Tower.  Elev. 5800 ft.
T2S R5E S28 SE1/4 of SE1/4.  43.8418 N, 103.5218 W; uncertainty 0.25 mi..  
In small wet draw between trail and creek, under Pinus ponderosa and Picea glauca. Phenology: vegetative only. 

Hollis Marriott, 12031.  7/17/2000. 		RM 698711
     with Patches
_________________________________________________________________________

990.  Equisetum arvense L. 				Equisetaceae

U.S.A., South Dakota, Harding County: Cave Hills.  Elev. 2800-3500 ft.
T21N R5E S4.  
Wooded gulches. Phenology: vegetative only. 

S. S. Visher, 20.  8/5/1910. 		RM 70127
_________________________________________________________________________

991.  Equisetum arvense L. 				Equisetaceae

U.S.A., South Dakota, Harding County: Little Missouri Valley: 12 mi N of Crook.  Elev. 3040 ft.
T20N R2E S18.  45.7226 N, 103.8934 W; uncertainty 2 mi..  
River margin. Phenology: vegetative only. 

S. S. Visher, 21.  7/28/1910. 		RM 70130
_________________________________________________________________________

992.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Laramie Range: ca 14.5 air mi SE of Laramie at Vedauwoo Exit.  Elev. 8310-8450 ft.
T14N R71W S19 SW1/4.  41.1679 N, 105.3924 W.  
Creekside Phenology: vegetative only. 

B. A. Packer, 1207.  7/2/1997. 		 677771	Barcode: RM0125530
     with J. Brondum, T. McGowan, and J. Wilson
_________________________________________________________________________

993.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Laramie Range: along Halleck Creek, ca 29 air mi NE of Laramie.  Elev. 6930-7260 ft.
T22N R72W S36 SW1/4.  41.8346 N, 105.4188 W.  
Creekside. Phenology: vegetative only. 

B. A. Packer, 1838.  7/16/1997. 		 677769	Barcode: RM0125532
     with J. Brondum and T. McGowan
_________________________________________________________________________

994.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Chaffee County: Mosquito Range: San Isabel National Forest: Buffalo Peaks Wilderness Area: ca 1 mi E of Fourmile Trailhead; S of Salt Creek Trail.  Elev. 1040-10200 
402400E, 4313025N.  
Creek drainage in wet shady areas around pond, under lodgepole. Phenology: vegetative only. 

Rea Orthner, 821.  8/17/1998. 		RM 736096
_________________________________________________________________________

995.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Laramie Range: Tie City, ca 8.5 air mi SE of Laramie.  Elev. 8050-8300 ft.
T15N R72W S23 E1/2.  41.254 N, 105.4306 W.  
Creekside. Phenology: vegetative only. 

B. A. Packer, 1873.  7/18/1997. 		 677770	Barcode: RM0125531
     with J. Brondum and T. McGowan
_________________________________________________________________________

996.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Laramie Range: Johnson Reservoir, ca 27 air mi NE of Laramie.  Elev. 6250-6560 ft.
T21N R71W S20.  41.776 N, 105.3801 W.  
Reservoir and adjacent granite outcrops. Phenology: vegetative only. 

B. A. Packer, 1955.  7/22/1997. 		 677768	Barcode: RM0125533
     with J. Brondum and T. McGowan
_________________________________________________________________________

997.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, San Juan County: San Juan Range: West Needle Mountains: confluence of Molas Creek & Animas River.  Elev. 8900 ft.
T40N R7W S17 NW1/4.  
In river terrace with cottonwoods, willows, birch and alder. Phenology: vegetative only. 

Tim Hogan, 3154.  6/30/1997. 		RM 730002
_________________________________________________________________________

998.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Laramie Range: Kloer Creek, ca 30 air mi SW of Douglas.  Elev. 7150-7220 ft.
T26N R72W S11 SE1/4.  42.241 N, 105.4499 W.  
Creekside. Phenology: vegetative only. 

B. A. Packer, 2264.  7/26/1997. 		 677767	Barcode: RM0125534
     with J. Brondum and T. McGowan
_________________________________________________________________________

999.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Converse County: Laramie Range: confluence of La Bonte and Spring creeks, ca 18 air mi SW of Douglas.  Elev. 5900-6230 ft.
T29N R72W S32 SW1/4.  42.4426 N, 105.5113 W; uncertainty 0.5 mi..  
Creekside Phenology: vegetative only. 

B. A. Packer, 2496.  7/30/1997. 		 677766	Barcode: RM0125535
     with J. Brondum and T. McGowan
_________________________________________________________________________

1000.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Converse County: Laramie Range: along Trail Creek, ca 3 air mi SW of Esterbrook; ca 21 air mi SW of Douglas.  Elev. 6431 ft.
T28N R72W S35 E1/2.  42.3558 N, 105.4499 W.  
Along creek. Phenology: vegetative only. 

B. A. Packer, 2533.  7/30/1997. 		 677765	Barcode: RM0125307
     with J. Brondum and T. McGowan
_________________________________________________________________________

1001.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Converse County: Laramie Range: Campbell Creek Campground, ca 25 air mi SW of Douglas.  Elev. 7870-8200 ft.
T29N R75W S28 E1/2.  42.4529 N, 105.843 W.  
Creekside. Phenology: vegetative only. 

B. A. Packer, 2617.  8/6/1997. 		 677764	Barcode: RM0125306
     with J. Brondum and T. McGowan
_________________________________________________________________________

1002.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Laramie Range: Friend Park; upper 1/2 Laramie Peak Trail, ca 28 air mi SE of Douglas.  Elev. 8960-9290 ft.
T27N R72W S34.  42.2697 N, 105.4695 W.  
Along trail. Phenology: vegetative only. 

B. A. Packer, 2714.  8/8/1997. 		 677763	Barcode: RM0125305
     with J. Brondum and T. McGowan
_________________________________________________________________________

1003.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Laramie Range: ca 4.5 air mi SE of Buford; ca 21 air mi SE of Laramie.  Elev. 8200-8350 ft.
T13N R71W S13.  41.0961 N, 105.2969 W.  
Creekside. Phenology: vegetative only. 

B. A. Packer, 2982.  8/20/1997. 		 677762	Barcode: RM0125304
     with J. Brondum and T. McGowan
_________________________________________________________________________

1004.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Laramie Range: ca 0.5 road mi NE of Buford along unnamed branch of South Crow Creek, ca 19 air mi SE of Laramie.  Elev. 7850-7920 ft.
T14N R71W S36 NE1/4.  41.1392 N, 105.2969 W.  
Along creek. Phenology: vegetative only. 

B. A. Packer, 623.  6/23/1997. 		 677772	Barcode: RM0125529
     with J. Brondum and T. McGowan
_________________________________________________________________________

1005.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Natrona County: Laramie Range: rim above the heads of Big Red and Clear Fork Muddy creeks S of Casper Mountain and W of Muddy Mountain, ca 11 air mi S of Casper.  Elev. 7400-7700 ft.
T31N R79W S4.  42.686 N, 106.3149 W.  
Aspen-willow grove below the rim. Phenology: vegetative only. 

B. E. Nelson, 40604.  6/22/1997. 		 677761	Barcode: RM0125303
_________________________________________________________________________

1006.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Converse County: Laramie Range: along Horseshoe Creek just above Trail Creek, ca 6 air mi N of Laramie Peak, ca 6 air mi SW of Esterbrook; ca 28 air mi S of Douglas.  Elev. 6360-6480 ft.
T28N R72W S35 NE1/4.  42.3558 N, 105.4499 W.  
Stream bank and rocky sand bars. Phenology: vegetative only. 

B. E. Nelson, 41394.  7/15/1997. 		 677760	Barcode: RM0125302
_________________________________________________________________________

1007.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Laramie Range: near the head of Big Bear Canyon, ca 1.3 air mi SW of South Sawtooth Mountain and ca 1.7 air mi E of Blacktail Peak, ca 29 air mi SSW of Douglas; ca 13 air mi W of Esterbrook.  Elev. 7240-7800 ft.
T28N R73W S29 NE1/4.  42.3686 N, 105.6246 W.  
Along a small stream in aspen or aspen-mixed conifer forest. Phenology: vegetative only. 

B. E. Nelson, 41963.  7/22/1997. 		 677759	Barcode: RM0125301
_________________________________________________________________________

1008.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Converse County: Laramie Range: along Sleepy Jack and Rock creeks, ca 0.5 air mi N of North Fork Little Medicine Bow River, ca 4 air mi S of Breakneck Hill, ca 4 air mi N of Little Medicine; ca 30 air mi S of Glenrock.  Elev. 8050-8200 ft.
T29N R76W S32 E1/4.  42.4383 N, 105.9806 W.  
Stream banks in a spruce forest. Phenology: vegetative only. 

B. E. Nelson, 42406.  8/7/1997. 		 677758	Barcode: RM0125322
_________________________________________________________________________

1009.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Laramie Range: along Three Cripples Creek ca 1-1.5 air mi W of Harris Park or Forest Road 633, ca 1.5-2 air mi ESE of Esterbrook; ca 25 air mi S of Douglas.  Elev. 5560-5900 ft.
T28N R71W S11 SE1/4; also NW1/4 S13 and NE1/4 S14.  42.4131 N, 105.3324 W.  
Brushy canyon bottom along the stream. Phenology: vegetative only. 

B. E. Nelson, 42594.  8/12/1997. 		 677757	Barcode: RM0125321
_________________________________________________________________________

1010.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Converse County: Laramie Range: along Roaring Fork between Twin Peaks and Squaw Mountain, ca 0.5-2 air mi W of LaPrele Creek and Cold Springs or County Road 24, ca 24-25.5 WNW of Esterbrook; ca 26.5 air mi S of Glenrock.  Elev. 7720-8300 ft.
T29N R75W S16 N1/2; also NE1/4 S17.  42.482 N, 105.843 W.  
Stream bank and adjacent areas. Phenology: vegetative only. 

B. E. Nelson, 42891.  8/17/1997. 		 677756	Barcode: RM0125320
_________________________________________________________________________

1011.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, no county County: Rio Grande National Forest.
Phenology: vegetative only. 

A. L. Sweitzer, 117.  10/29/1914. 		USFS 400868
_________________________________________________________________________

1012.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, no county County: Montezuma National Forest: Mesa Ranger Station.  Elev. 9500 ft.
Marsh, pasture. Phenology: vegetative only. 

Albert E. Stephenson, 689.  8/16/1914. 		USFS 400785
_________________________________________________________________________

1013.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Routt County: Middle Fork Little Snake River: ca 36 air mi NNW of Steamboat Springs; ca 35.5 air mi NNE of Hayden.
T12N R8W S21 NW1/4.  
Flats along the river. Phenology: vegetative only. 

B. E. Nelson, 4012.  7/18/1979. 		RM 329386
_________________________________________________________________________

1014.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Montezuma County: Bob Creek: W of Mount Hesperus.  Elev. 10500 ft.
Phenology: spores. 

Carl F. Baker, 989.  6/28/1898. 		RM 157994
     with F. S. Earle and S. M. Tracy
_________________________________________________________________________

1015.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Douglas County: Pike National Forest: Bayer Gulch.  Elev. 9000 ft.
Scattering, southerly slope in sandy loam and loam along creek bottoms. Phenology: vegetative only. 

Charles F. Bliss, 3B.  8/8/1916. 		USFS 407884
_________________________________________________________________________

1016.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Larimer County: Fort Collins.
Phenology: spores. 

C. S. Crandall, 3993.  5/10/1898. 		RM 48121
_________________________________________________________________________

1017.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Larimer County:   Elev. 11300 ft.
Moist, sandy soil. Phenology: vegetative only. 

Dale W. McNeal Jr., 156.  10/8/1963. 		RM 276531
_________________________________________________________________________

1018.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Jackson County: Grizzly Creek: 24 mi SW of Walden.
Phenology: spores. 

Don G. Despain, 60.  6/18/1965. 		RM 282910
_________________________________________________________________________

1019.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Moffat County: Dinosaur National Monument: Glen Canyon: E of Vale of Tears; ca 1.2 mi NW of Deer Lodge Park.  Elev. 5720 ft.
T6N R99W S21 NE1/4 of NE1/4 of SW1/4.  
Common, 5% slope, southwest exposure of Glen Canyon sandstone formation, with Carex, Juncus, and Phragmites. Phenology: vegetative only. 

E. L. Painter, 409.  5/17/1988. 		RM 542718
_________________________________________________________________________

1020.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Garfield County: White River National Forest: Clark Cabin.  Elev. 9500 ft.
T3S R91W S10.  
Abundant, on 30% south slope in loam, along creeks in park, with Carex, Caltha, Ranunculus, and Pedicularis. Phenology: spores. 

E. R. Ware, 88.  6/29/1932. 		USFS 400881
_________________________________________________________________________

1021.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Garfield County: White River National Forest: Clark Cabin.  Elev. 9500 ft.
T3S R91W S10.  
Abundant, on 30% south slope in loam, along creeks in park, with Carex, Caltha, Ranunculus, and Pedicularis. Phenology: vegetative only. 

E. R. Ware, 91.  6/29/1932. 		USFS 400882
_________________________________________________________________________

1022.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Teller County: Pike National Forest: South Fork Cascade River.  Elev. 8600 ft.
River bottoms, gravelly, loam and muck, wet and approaching boggy ground. Phenology: spores. 

E. S. Keuhley, 21K.  5/5/1916. 		USFS 407883
_________________________________________________________________________

1023.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Las Animas County: Stonewall
Abundant along creek. Phenology: vegetative only. 

Earl L. Johnston, 850.  6/18/1917. 		RM 101664
     with George G. Hedgcock
_________________________________________________________________________

1024.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Las Animas County: Stonewall
Abundant along creeks. Phenology: vegetative only. 

Earl L. Johnston, 850.  6/18/1917. 		RM 117649
_________________________________________________________________________

1025.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Custer County: Clay Ranger Station: Westcliffe.
Phenology: spores. 

Earl Lynd Johnston, 857.  6/25/1917. 		RM 101665
     with George G. Hedgcock
_________________________________________________________________________

1026.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Huerfano County: Gardner, road to Westcliffe.
Phenology: vegetative only. 

Earl Lynd Johnston, 883.  6/23/1917. 		RM 117599
_________________________________________________________________________

1027.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, San Miguel County: Iron Springs Mesa.  Elev. 8500 ft.
Sandy creek banks. Phenology: spores. 

Edwin B. Payson, 51.  6/16/1912. 		RM 74529
_________________________________________________________________________

1028.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Montrose County: Paradox.  Elev. 5400 ft.
Wet creek banks. Phenology: vegetative only. 

Ernest P. Walker, 127.  6/19/1912. 		RM 75670
_________________________________________________________________________

1029.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, no county County: Leadville National Forest.  Elev. 8000 ft.
Damp black loam. Phenology: vegetative only. 

F. J. DeHaven, 78.  7/5/1913. 		USFS 400867
_________________________________________________________________________

1030.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Boulder ? County: Blue Bird Mine.  Elev. 2800 m.
Phenology: vegetative only. 

Francis Ramaley, 1246.  7/1/1905. 		RM 53122
_________________________________________________________________________

1031.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Boulder County: Near Boulder.  Elev. 1700 m.
Phenology: vegetative only. 

Francis Ramaley, 1278.  7/18/1905. 		RM 53121
_________________________________________________________________________

1032.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Teller County: Near Florissant.  Elev. 2400 m.
38.9457 N, 105.2891 W; NAD 83, uncertainty 0.5 , Nat. Geog. TOPO!.  
Phenology: vegetative only. 

Francis Ramaley, 1349.  8/1/1905. 		RM 53120
_________________________________________________________________________

1033.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Boulder County: Left Hand Creek.
Phenology: spores. 

Francis Ramaley, 4674.  6/12/1908. 		RM 64252
_________________________________________________________________________

1034.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Boulder County: Sunshine Canyon.
Phenology: vegetative only. 

Francis Ramaley, 4739.  5/16/1908. 		RM 64240
_________________________________________________________________________

1035.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, La Plata County: San Juan National Forest: upper Clear Creek.  Elev. 9400 ft.
T37N R10W S21.  
Frequent, 30% north slope, clay loam soil, in Spruce forest with Carex, moss and Marchantia. Phenology: vegetative only. 

Gasper A. Loughridge, 158.  6/14/1934. 		USFS 400792
_________________________________________________________________________

1036.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Hinsdale County: San Juan National Forest.  Elev. 9000 ft.
Level slope in very moist sandy bottom. Phenology: vegetative only. 

George B. Kleckner, 120.  8/16/1911. 		RM 400825
_________________________________________________________________________

1037.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Weld County: New Windsor.
Phenology: vegetative only. 

George E. Osterhout, 1306.  6/4/1896. 		RM 157993
_________________________________________________________________________

1038.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Weld County: New Windsor.
Phenology: vegetative only. 

George E. Osterhout, 1307.  6/4/1896. 		RM 157996
_________________________________________________________________________

1039.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Larimer County: Home Post Office.  Elev. 7500 ft.
T9N R74W S33.  
Phenology: vegetative only. 

George E. Osterhout, 1308.  8/28/1896. 		RM 157997
_________________________________________________________________________

1040.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Boulder County: Boulder.  Elev. 1700 m.
Phenology: vegetative only. 

Harvey Markman, 1045.  5/30/1905. 		RM 53123
_________________________________________________________________________

1041.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Clear Creek County: Silver Plume: along Clear Creek.  Elev. 9000 ft.
Phenology: spores. 

Leon Kelso, 7206.  7/4/1954. 		RM 292691
_________________________________________________________________________

1042.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Montrose County: Uncompaghre National Forest:  Elev. 9500 ft.
T46N R11W S1 NW1/4 of NW1/4.  
Sparse, 5% north slope in aspen with Carex. Phenology: vegetative only. 

K. H. Lancaster, 26.  7/21/1939. 		USFS 400793
     with Doran and Bunderson
_________________________________________________________________________

1043.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Larimer County: Trail's End.
Phenology: vegetative only. 

Leo A. Hanna, 26.  7/4/1929. 		RM 139123
_________________________________________________________________________

1044.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, El Paso County: Pike National Forest: Sailor Park.  Elev. 8000 ft.
Wet meadow. Phenology: vegetative only. 

Leon Nadeau, LN-137.  7/12/1936. 		USFS 400787
_________________________________________________________________________

1045.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, San Miguel County: Santa Fe National Forest: Panchuela Ranger Station.  Elev. 8600 ft.
Sandy loam soil. Phenology: vegetative only. 

Louis P. Rudolph, 156.  9/18/1914. 		USFS 400782
_________________________________________________________________________

1046.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, no county County: Routt National Forest.
Phenology: vegetative only. 

Lynn H. Douglas, S.N..  11/1/1917. 		USFS 400897
_________________________________________________________________________

1047.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Larimer County: Roosevelt National Forest: near Roach, plot 42.  Elev. 9000 ft.
Grassland, swampy creek bottom in deep loam. Phenology: vegetative only. 

M. W. Mogelssen, 68.  8/25/1937. 		USFS 400789
_________________________________________________________________________

1048.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, no county County: Sopris National Forest.  Elev. 8000 ft.
Phenology: vegetative only. 

Marion E. Carpenter, 53.  8/9/1913. 		USFS 400824
_________________________________________________________________________

1049.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Larimer County: Roosevelt National Forest: 1 mi E of Buckhorn, roadside along creek.  Elev. 8300 ft.
Common, 2% east slope in loam along stream. Phenology: vegetative only. 

Paul L. Ginter, 799.  6/13/1943. 		USFS 400791
_________________________________________________________________________

1050.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Trap Creek.  Elev. 9800 ft.
T7N R75W S18.  
Common, swampy ground in deep duff. Phenology: vegetative only. 

Paul L. Ginter, 442.  7/23/1941. 		USFS 400790
_________________________________________________________________________

1051.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Hinsdale County: Rio Grande National Forest, near North Clear Creek Falls.  Elev. 10000 ft.
Common, 10% northeast slope in moist loam in aspen. Phenology: spores. 

Ralph K. Gierisch, 955.  6/11/1939. 		USFS 400788
_________________________________________________________________________

1052.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Jackson County: North Park: Sand Dunes.
Moist slopes. Phenology: vegetative only. 

Ray J. Davis, 414-W.  7/27/1934. 		RM 146837
_________________________________________________________________________

1053.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, no county County: Routt National Forest.  Elev. 7000 ft.
Moist meadows and along streams. Phenology: vegetative only. 

Ray Peck, 84.  6/26/1914. 		USFS 400869
_________________________________________________________________________

1054.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Las Animas County: Sangre de Cristo Mountains: North Fork of Purgatoire River.  Elev. 9400 ft.
37 14.6' N, 105 5' W.  
Stream bank with Cardamine and Pedicularis. Phenology: vegetative only. 

Robert D. Dorn, 8874.  7/7/2001. 		RM 702871
_________________________________________________________________________

1055.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Moffat County: Elkhead Mountains: ca 18 mi NE of Craig.  Elev. 9200 ft.
40 45.1' N, 107 21.8' W.  
Seepage area with Senecio and Trifolium. Phenology: vegetative only. 

Robert D. Dorn, 9447.  7/28/2002. 		RM 718150
_________________________________________________________________________

1056.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Montrose County: Uncompaghre Plateau: near head of Red Canyon.  Elev. 9400 ft.
38 19.1' N, 108 11.2' W.  
Moist bank with Campanula rotundifolia and Senecio. Phenology: vegetative only. 

Robert D. Dorn, 9518.  8/15/2002. 		RM 718130
_________________________________________________________________________

1057.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Gore Pass: W side.  Elev. 9300 ft.
40 4.1' N, 106 34.3' W.  
Stream bank with Geranium richardsonii and Senecio triangularis. Phenology: vegetative only. 

Robert D. Dorn, 9539.  8/16/2002. 		RM 718045
_________________________________________________________________________

1058.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Dolores County: Montezuma National Forest.  Elev. 7700 ft.
T39N R15W S2.  
Phenology: vegetative only. 

Robert F. Copple, 124.  8/2/1920. 		USFS 400786
_________________________________________________________________________

1059.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Colfax County: Philmont Scout Ranch, near Cimarron: near entrance to Bear Canyon, ca 11 mi W of Cimarron on U.S. Hwy 64.  Elev. 7200 ft.
Common along moist streams. Phenology: spores. 

Ronald L. Hartman, 1773.  5/29/1968. 		RM 296536
_________________________________________________________________________

1060.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, no county County: Arapaho National Forest.
Phenology: vegetative only. 

S. W. Farnell, 53.  6/21/1914. 		USFS 400794
_________________________________________________________________________

1061.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Summit County: Blue River: Colo Hwy 9 ca 3.4 mi N of Silverthorne.  Elev. 2620 m.
T4S R78W S23.  
Common, on loam of ditch along river. Phenology: vegetative only. 

Steve Nelson, 415.  6/24/1972. 		RM 345099
_________________________________________________________________________

1062.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Gunnison County: West bank of Coal Creek, ca 0.1 mi S of confluence with Robinson Creek.  Elev. 2215 m.
T14S R89W S26 NW1/4.  
Alluvium along river with Populus angustifolia and Picea pungens. Phenology: vegetative only. 

W. L. Baker, 8538.  6/21/1985. 		RM 526528
_________________________________________________________________________

1063.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Boulder County: Boulder Creek.
Phenology: vegetative only. 

W. W. Robbins, 1568.  6/15/1906. 		RM 57367
_________________________________________________________________________

1064.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Boulder County: Magnolia.
Phenology: vegetative only. 

W. W. Robbins, 2238.  7/23/1906. 		RM 57370
_________________________________________________________________________

1065.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Pueblo County: Beulah.
Phenology: vegetative only. 

W. W. Robbins, 4942.  6/6/1908. 		RM 64300
_________________________________________________________________________

1066.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Arapaho National Forest: Gilsonite Ranger Station.  Elev. 10000 ft.
Phenology: vegetative only. 

Walter Byron McDougall, 94.  8//1925. 		USFS 400784
_________________________________________________________________________

1067.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Summit County: Hoosier Pass: Monte Cristo Creek: N base.  Elev. 10800 ft.
Openings in wet spruce forest, along creek. Phenology: spores. 

William A. Weber, S.N..  7/11/1954. 		RM 79201
_________________________________________________________________________

1068.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Commissary Ridge: ca 0.5 air mi SE of Kemmerer Reservoir along powerlines E of paved road; ca 12 air mi NW of Kemmerer.  Elev. 7150-7400 ft.
T23N R117W S36.  41 55' 55" N, 110 38' 11" W.  
Rolling sagebrush-grasslands, southwest exposure with some aspen on northeast side of gravelly ridge, also along roadside. Phenology: vegetative only. 

Ronald L. Hartman, 33582.  6/27/1992. 		 
_________________________________________________________________________

1069.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Tunp Range: Preacher Hollow; 16 air mi NNE of Cokeville.  Elev. 6900-7200 ft.
T27N R118W S21 N1/2.  42 18' 18" N, 110 50' 50" W.  
Sandy slopes with sagebrush and drainage. Phenology: spores. 

Ronald L. Hartman, 37445.  5/22/1993. 		 
_________________________________________________________________________

1070.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Lincoln County: Green River Basin: east end of Fontenelle Gap, ca 15 air mi W of Fontenelle Reservoir.  Elev. 7000 ft.
T24N R115W S2 NW1/4; also NE1/4 S3.  42 5' 5" N, 110 25' 8" W.  
Creekside meadows, willow thickets, and rockslides. Phenology: vegetative only. 

Thomas Cramer, 2752b.  8/4/1994. 		 
_________________________________________________________________________

1071.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Twin Creek, ca 3.5 air mi W of Nugget.  Elev. 6400 ft.
T21N R119W S11 NE1/4; also SE1/4 S2.  41 48' 48" N, 110 53' 44" W.  
Creek edges in ten foot deep creek cut through sagebrush surroundings. Phenology: vegetative only. 

Thomas Cramer, 4565.  8/23/1994. 		 
     with Ronald L. Hartman
_________________________________________________________________________

1072.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Teton County: Targhee National Forest: Big Hole Mountains: along Mahogany Creek, ca 6.5-7 air mi SW of Driggs.  Elev. 6300-6400 ft.
T4N R44E S14.  
Moist meadows and thickets along creek. 

B. E. Nelson, 21175.  6/23/1991. 		 
     with Stuart Markow and Michelle Nelson
_________________________________________________________________________

1073.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Madison County: Targhee National Forest: Big Hole Mountains: branch of Hawley Gulch between Buckskin Morgan and Windy Ridges, ca 16.5 air mi SE of Rexburg.  Elev. 6350 ft.
T4N R41E S25.  
Moist to wet meadow along small stream. 

B. E. Nelson, 21517.  6/27/1991. 		 
     with Michelle Nelson
_________________________________________________________________________

1074.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Madison County: Targhee National Forest: Big Hole Mountains: at the confluence of Hinckley Creek and South Moody Creek in Limekiln Canyon, ca 19 air mi SE of Rexburg.  Elev. 6500-6600 ft.
T4N R42E S22.  
Flats along the creek. 

B. E. Nelson, 21534.  6/27/1991. 		 
     with Michelle Nelson
_________________________________________________________________________

1075.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Bridger-Teton Forest: Snake River Range: along Mosquito Creek in the vicinity of Moose Gulch and upstream, ca 6 air mi SW of Wilson; ca 11 air mi WSW of Jackson.  Elev. 7000-7200 ft.
T40N R118W S9; also S15.  43.4681 N, 111.0017 W; uncertainty 2 mi..  
Brushy creek bottom with patches of spruce. Phenology: vegetative only. 

B. E. Nelson, 21596.  6/30/1991. 		RM 691619	Barcode: RM0125921
     with Michelle Nelson
_________________________________________________________________________

1076.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Clark County: Targhee National Forest: Western Centennial Mountains: along Middle Threemile Creek, ca 1.5 air mi W of Opal Mountain; ca 15 air mi NNE of Dubois.  Elev. 6200 ft.
T12N R37E S8.  
Creek bottom with small meadows and willow thickets. 

B. E. Nelson, 22091.  5/31/1992. 		 
     with Michelle Nelson
_________________________________________________________________________

1077.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Clark County: Targhee National Forest: Centennial Mountains: Waters Flat along East Camas Creek, ca 26 air mi NE of Dubois.  Elev. 6600 ft.
T13N R38E S1.  
Willow thickets in creek bottom. 

B. E. Nelson, 22458.  6/5/1992. 		 
     with Michelle Nelson
_________________________________________________________________________

1078.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Clark County: Targhee National Forest: Centennial Mountains: ridge between Coon and Spruce Creeks, above head of Bear Trap Creek, ca 28-29 air mi NE of Dubois.  Elev. 7600-8000 ft.
T14N R38E S14; also S23.  
Along small stream under spruce. 

B. E. Nelson, 22485.  6/5/1992. 		 
     with Michelle Nelson
_________________________________________________________________________

1079.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Bridger-Teton National Forest: Snake River Range: Mosquito Creek, ca 4 air mi SSW of Wilson.  Elev. 6200-6700 ft.
T40N R117W S8.  43.4597 N, 110.9019 W.  
Douglas fir forest with scattered grass-forb openings. Phenology: spores. 

Ronald L. Hartman, 28755.  6/6/1991. 		RM 691614	Barcode: RM0125461
     with Stuart Markow
_________________________________________________________________________

1080.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Targhee National Forest: Teton Range: Moose Creek trail head, ca 5.5 air mi SE of Victor, Idaho.  Elev. 6700-7200 ft.
T42N R118W S32.  43.5592 N, 111.0325 W.  
Lodgepole pine forests with some Douglas fir and open slopes with grass/forb mixtures. Phenology: spores. 

Ronald L. Hartman, 28954.  6/8/1991. 		RM 691615	Barcode: RM0125917
     with Stuart Markow
_________________________________________________________________________

1081.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Teton County: Targhee National Forest: Big Hole Mountains: Junction of North and South Forks, Packsaddle Creek; ca 10 air mi WNW of Driggs.  Elev. 6500-6700 ft.
T5N R44E S7; also S8.  
Intrusive igneous rock outcrop with grasses and forbs on south exposure, and Douglas fir on north exposure. 

Ronald L. Hartman, 29053.  6/9/1991. 		 
     with Stuart Markow
_________________________________________________________________________

1082.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Teton County: Targhee National Forest: Big Hole Mountains: just E of Pony Creek where road enters Forest Service land; 11 air mi W of Tetonia.  Elev. 7000-7100 ft.
T6N R43E S34.  
Aspen and Douglas fir stands and adjacent sagebrush slopes. 

Ronald L. Hartman, 29172.  6/9/1991. 		 
     with Stuart Markow
_________________________________________________________________________

1083.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Targhee National Forest: West Slope Teton Range: Coyote Meadows, ca 11 air mi E of Lamont, Idaho.  Elev. 6400 ft.
T47N R118W S34.  43.99139 N, 111.00222 W.  
Lodgepole pine forest with meadow and marshy area. Phenology: vegetative only. 

Ronald L. Hartman, 30351.  7/24/1991. 		RM 691586	Barcode: RM0125919
     with Rafael Molina
_________________________________________________________________________

1084.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Targhee National Forest: West Slope Teton Range: North Fork of Teton Creek within 1 air mi of trail head; ca 10 air mi ENE of Driggs, Idaho.  Elev. 7000-7800 ft.
T44N R117W S20.  43.7622 N, 110.9119 W.  
Coniferous forests and openings on slopes and bottom of drainage. Phenology: vegetative only. 

Ronald L. Hartman, 30509.  7/26/1991. 		RM 691587	Barcode: RM0125918
     with Rafael Molina
_________________________________________________________________________

1085.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Teton County: Targhee National Forest: West Slope Teton Range: McRenolds Reservoir, ca 8 air mi E of Lamont.  Elev. 7000 ft.
T7N R46E S5; also S6.  
Openings adjacent to reservoir. 

Ronald L. Hartman, 30897.  7/28/1991. 		 
     with Rafael Molina
_________________________________________________________________________

1086.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Clark County: Targhee National Forest: Western Centennial Mountains: Pleasant Valley Creek area, ca 7 air mi NW of Spencer.  Elev. 7000-7200 ft.
T13N R35E S35.  
Riparian area adjacent to creek dominated by Picea engelmannii, Senecio, and other forbs. 

Stuart Markow, 10346.  8/6/1992. 		 
_________________________________________________________________________

1087.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Fremont County: Targhee National Forest: Henrys Lake Mountains: along Twin Creek, ca 8.5 air mi SW of West Yellowstone, Montana.  Elev. 7200-7300 ft.
T15N R44E S17.  
Riparian, dominated by Salix, Cornus, and Lonicera. 

Stuart Markow, 10832.  8/17/1992. 		 
_________________________________________________________________________

1088.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Teton County: Targhee National Forest: East Slope Big Hole Mountains: Patterson Creek, 1/4 mi W of entrance to National Forest; ca 5.5 air mi NW of Victor.  Elev. 6400 ft.
T4N R44E S36.  
Coniferous forest dominated by Pseudotsuga, Abies, Purshia, and Sorbus, also some riparian. 

Stuart Markow, 1294.  6/23/1991. 		 
     with B. E. Nelson and Michelle Nelson
_________________________________________________________________________

1089.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Bonneville County: Targhee National Forest: West Slope Snake River Range: Rainey Creek from entrance to National Forest to Corral Canyon, ca 3 air mi E of Swan Valley.  Elev. 5400-5800 ft.
T2N R44E S26; also S27 and S34.  
Juniper/grassland, dominated by Juniperus scopulorum and bunchgrass, some riparian. 

Stuart Markow, 1595.  6/28/1991. 		 
_________________________________________________________________________

1090.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Rattlesnake Hills: Dry Creek N of Dry Creek or County Road 321, ca 14.5 air mi NW of junction with Wyo Hwy 220.  Elev. 6700 ft.
T32N R88W S36.  42.7006 N, 107.3175 W.  
Banks of cottonwood-lined creek. Phenology: vegetative only. 

Amy J. Roderick, 4318.  6/2/1998. 		RM 666235	Barcode: RM0125560
_________________________________________________________________________

1091.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Madison County: Targhee National Forest: West Slope Big Hole Mountains: West Pine Creek Trail, just N of Ida Hwy 31.  Elev. 6000-6400 ft.
T3N R44E S19; also S29.  
Coniferous forest, dominated by Abies lasiocarpa and Pinus contorta, with many openings, some riparian. 

Stuart Markow, 4282.  7/28/1991. 		 
_________________________________________________________________________

1092.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Targhee National Forest: West Slope Teton Range: Moose Creek Trail.  Elev. 6400-7000 ft.
T43N R118W S32; also S33.  43.6482 N, 111.0339 W.  
Coniferous forest dominated by Abies lasiocarpa and Picea pungens, and adjacent riparian. 

Stuart Markow, 4569.  7/30/1991. 		RM 691616	Barcode: RM0125924
_________________________________________________________________________

1093.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Laramie Range: Medicine Bow National Forest: ca 2.5 air mi NE of Esterbrook, ca 33 air mi SE of Douglas.  Elev. 6000-6500 ft.
T28N R71W S1 NW1/4.  42.4275 N, 105.3129 W.  
Along creek and boulder outcroppings. Phenology: vegetative only. 

B. A. Packer, 3726.  7/1/1998. 		RM 678780	Barcode: RM0125372
     with T. McGowan & T. Freeman
_________________________________________________________________________

1094.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Teton County: Targhee National Forest: East Slope Big Hole Mountains: Patterson Creek Trail, ca 7 air mi NW of Victor.  Elev. 6200-6600 ft.
T4N R44E S35; also S36.  
Coniferous forest adjacent to creek, dominated by Abies lasiocarpa, Pinus contorta, and Picea engelmannii, some riparian. 

Stuart Markow, 4994.  8/5/1991. 		 
_________________________________________________________________________

1095.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Targhee National Forest: West Slope Teton Range: Alaska Basin Trail along South Fork of Teton Creek.  Elev. 7000-7200 ft.
T44N R117W S20; also S31.  43.76222 N, 110.91194 W.  
Coniferous forest dominated by Abies lasiocarpa and Picea engelmannii with many openings, some riparian. 

Stuart Markow, 5351.  8/9/1991. 		RM 691618	Barcode: RM0125923
_________________________________________________________________________

1096.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Targhee National Forest: East Slope Snake River Range: Divide Trail, S of Mosquito Creek Road.  Elev. 6600-7200 ft.
T40N R117W S17.  43.428 N, 110.9037 W.  
Roadside and adjacent coniferous forest, dominated by Pinus contorta, Abies lasiocarpa, and Picea engelmannii, with some riparian. 

Stuart Markow, 5645.  8/11/1991. 		RM 691670	Barcode: RM0125922
_________________________________________________________________________

1097.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Bridger-Teton National Forest: East Slope Teton Range: N of Teton Village.  Elev. 6200 ft.
T42N R117W S13; also S24.  43.605 N, 110.8347 W.  
Roadside and small patch of coniferous forest dominated by Pinus contorta and Abies lasiocarpa with some riparian. 

Stuart Markow, 6158.  8/17/1991. 		RM 691671	Barcode: RM0125920
_________________________________________________________________________

1098.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Targhee National Forest: West Slope Teton Range: Game Creek Trail, ca 4 air mi SE of Victor, Idaho.  Elev. 6400-6600 ft.
T42N R118W S18; also S19.  43.605 N, 111.0538 W.  
Coniferous forest, dominated by Picea engelmannii and Abies lasiocarpa with some areas of roadside weeds and riparian. 

Stuart Markow, 6411.  8/19/1991. 		RM 691599	Barcode: RM0125916
_________________________________________________________________________

1099.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Laramie Range: along Laramie River and adjacent hills, ca 35 air mi NE of Rock River; ca 54 air mi NE of Laramie.  Elev. 7000-7200 ft.
T25N R74W S30 E1/2.  42.1085 N, 105.7609 W.  
Along the river. Phenology: vegetative only. 

B. A. Packer, 3896.  7/3/1998. 		RM 678779	Barcode: RM0125520
     with T. McGowan & T. Freeman
_________________________________________________________________________

1100.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Fremont County: Targhee National Forest: Island Park Plateau: Big Springs, ca 8 air mi SE of Henrys Lake, ca 4 air mi E of North Fork Summer Home Area.  Elev. 6400 ft.
T14N R44E S33.  
Flood plain just below springs, dominated by Salix and Picea engelmannii. 

Stuart Markow, 7486.  6/12/1992. 		 
_________________________________________________________________________

1101.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Clark County: Targhee National Forest: Centennial Mountains: Willow Creek, ca 32 air mi NE of Ashton.  Elev. 6700 ft.
T14N R41E S35.  
Riparian dominated by Salix, Abies lasiocarpa, and forbs with adjacent coniferous forest. 

Stuart Markow, 7631.  6/14/1992. 		 
_________________________________________________________________________

1102.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Clark County: Targhee National Forest: Centennial Mountains: west side of Beaver Creek near confluence with Stoddard Creek, ca 16 air mi N of Dubois.  Elev. 6000 ft.
T13N R36E S27; also S35.  
Riparian, dominated by Salix, Carex, many forbs and grasses. 

Stuart Markow, 8218.  6/24/1992. 		 
_________________________________________________________________________

1103.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Lemhi County: Targhee National Forest: Beaverhead Range: along Willow Creek, ca 2.5 air mi N of Nicholia.  Elev. 7800 ft.
T12N R29E S3.  
Riparian, dominated by Salix. 

Stuart Markow, 8402.  6/28/1992. 		 
_________________________________________________________________________

1104.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Clark County: Targhee National Forest: Centennial Mountains: Cottonwood Creek area, ca 6.5 air mi N of Kilgore.  Elev. 6700 ft.
T14N R39E S31.  
Riparian, dominated by Salix, grasses and forbs, scattered Picea engelmannii. 

Stuart Markow, 8684.  7/4/1992. 		 
_________________________________________________________________________

1105.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Laramie Range: Medicine Bow National Forest: along South Branch North Fork Crow Creek, ca 10.5 air mi SE of Laramie.  Elev. 8200-8350 ft.
T14N R71W S5.  41.211 N, 105.3733 W.  
Along creek. Phenology: vegetative only. 

B. A. Packer, 4130.  7/14/1998. 		RM 678778	Barcode: RM0125521
     with T. McGowan
_________________________________________________________________________

1106.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Fremont County: Targhee National Forest: Island Park Plateau: Island Park, along small creek ca 50 yds N of Buffalo River; ca 200 yds W of U.S. Hwy 20.  Elev. 6300 ft.
T13N R43E S27.  
Riparian dominated by Salix and Carex. 

Stuart Markow, 9214.  7/13/1992. 		 
_________________________________________________________________________

1107.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Clark County: Targhee National Forest: Centennial Mountains: Bear Gulch at head of trail to Mule Meadows and Table Mountain, ca 7 air mi NW of Kilgore.  Elev. 6900 ft.
T13N R38E S4.  
Adjacent to creek, riparian area dominated by Picea engelmannii, some forbs and grasses. 

Stuart Markow, 9688.  7/22/1992. 		 
_________________________________________________________________________

1108.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Clark County: Targhee National Forest: Western Centennial Mountains: Huntley Canyon, ca 2.5 air mi NW of Spencer.  Elev. 6600-6800 ft.
T12N R36E S4.  
Riparian, dominated by Salix, Ribes, and Carex. 

Stuart Markow, 9869.  7/24/1992. 		 
_________________________________________________________________________

1109.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Converse County: Laramie Range: along Blue Nose Creek, ca 18 air mi SW of Douglas.  Elev. 7200-7300 ft.
T30N R74W S16 SE1/4; also NW1/4 NW1/4 S15.  42.5695 N, 105.7251 W.  
Along creek. Phenology: vegetative only. 

B. A. Packer, 4279.  7/15/1998. 		RM 678777	Barcode: RM0125522
     with T. McGowan
_________________________________________________________________________

1110.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Converse County: Laramie Range: along Rabbit Creek, ca 20 air mi SW of Douglas.  Elev. 7100-7300 ft.
T30N R74W S30 SW1/4; also NW1/4 of NW1/4 S31.  42.5403 N, 105.7644 W.  
Along creekbank. Phenology: vegetative only. 

B. A. Packer, 4401.  7/15/1998. 		RM 678776	Barcode: RM0125523
     with T. McGowan
_________________________________________________________________________

1111.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Converse County: Laramie Range: along Roaring Fork, ca 25 air mi SW of Douglas.  Elev. 8200-8500 ft.
T29N R75W S16 N1/2.  42.482 N, 105.843 W.  
Along creek and adjacent boulder outcrops. Phenology: vegetative only. 

B. A. Packer, 4441.  7/15/1998. 		RM 678775	Barcode: RM0125524
     with T. McGowan
_________________________________________________________________________

1112.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Laramie Range: along Soldier Creek, ca 37 air mi SW of Douglas.  Elev. 6200-6600 ft.
T28N R71W S23 SE1/4.  42.3844 N, 105.3324 W.  
Along creek. Phenology: vegetative only. 

B. A. Packer, 4662.  7/21/1998. 		RM 678757	Barcode: RM0125526
     with T. McGowan & J. Brondum
_________________________________________________________________________

1113.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Laramie County: Laramie Range: Granite Reservoir: ca 15 air mi E of Laramie.  Elev. 7500-7700 ft.
T14N R70W S17.  41.1863 N, 105.2621 W; NAD 83, uncertainty 0.5 mi., Nat. Geog. TOPO!.  
Along creek. Phenology: vegetative only. 

B. A. Packer, 4793.  7/29/1998. 		RM 678774	Barcode: RM0125525
_________________________________________________________________________

1114.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Laramie Range: Medicine Bow National Forest: along the Middle Branch Middle Lodgepole Creek, ca 11 air mi ESE of Laramie.  Elev. 7800-8100 ft.
T15N R71W S15.  41.2684 N, 105.3351 W.  
Along creek. Phenology: vegetative only. 

B. A. Packer, 4887.  7/31/1998. 		RM 678756	Barcode: RM0125527
     with T. McGowan & J. Brondum
_________________________________________________________________________

1115.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Routt County: Flat Tops/White River Plateau: along Fish Creek NE of the Dunckley Flat Tops, ca 10 air mi W of Oak Creek; ca 23 air mi SW of Steamboat Springs.  Elev. 7800 ft.
T4N R87W S34.  40.2748 N, 107.1458 W.  
Open and brushy stream bottom. 

B. E. Nelson, 18659.  6/18/1990. 		 
_________________________________________________________________________

1116.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Rio Blanco County: Flat Tops/White River Plateau: East Beaver Creek S of Ellison Mountain, ca 4 air mi NNE of Buford; ca 17 air mi E of Meeker.  Elev. 8100 ft.
T1N R91W S22.  40.0407 N, 107.5874 W.  
Moist meadows along the creek with scattered willow thickets. 

B. E. Nelson, 18827.  6/21/1990. 		 
_________________________________________________________________________

1117.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Rio Blanco County: Flat Tops/White River Plateau: just SE of Ripple Creek Pass at the head of a small feeder stream to Snell Creek, ca 33.5 air mi ENE of Meeker.  Elev. 10300 ft.
T2N R88W S29.  40.1128 N, 107.2989 W; uncertainty 1 mi..  
Dry meadow. 

B. E. Nelson, 18964.  6/22/1990. 		 
_________________________________________________________________________

1118.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Rio Blanco County: Flat Tops/White River Plateau: Chapman Reservoir and vicinity on Little Oak Creek, ca 45 air mi ENE of Meeker; ca 10 air mi WNW of Yampa.  Elev. 9300 ft.
T3N R86W S31.  40.1864 N, 107.0884 W.  
Brushy stream bottom with scattered fir. 

B. E. Nelson, 19038.  6/25/1990. 		 
_________________________________________________________________________

1119.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Rio Blanco County: Flat Tops/White River Plateau: along the northeast side of Little Flat Tops, ca 1 mi SE of Sand Point, ca 45 air mi ENE of Meeker; ca 9.5 air mi W of Yampa.  Elev. 10500 ft.
T2N R86W S7.  40.157 N, 107.0884 W; uncertainty 1 mi..  
Hummocky seep on slope with scattered spruce. 

B. E. Nelson, 19109.  6/26/1990. 		 
_________________________________________________________________________

1120.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Garfield County: Flat Tops/White River Plateau: East Canyon Creek, ca 6 air mi NW of Glenwood Springs.  Elev. 8000 ft.
T5S R89W S8.  39.6296 N, 107.3998 W.  
Wet forest and springs, with spruce. 

James P. Vanderhorst, 1365.  7/25/1990. 		 
_________________________________________________________________________

1121.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Rio Blanco County: Flat Tops/White River Plateau: Flat Tops Wilderness: Lost Solar Creek, ca 23 air mi NNW of Glenwood Springs.  Elev. 8300 ft.
T2S R90W S23.  39.8624 N, 107.4563 W.  
North-facing slope and creek bottom, with subalpine fir, Engelmann spruce, blue spruce, aspen, and alder. 

James P. Vanderhorst, 1594.  8/11/1990. 		 
_________________________________________________________________________

1122.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Rio Blanco County: Flat Tops/White River Plateau: Big Ridge, ca 24 air mi E of Meeker.  Elev. 7800-8400 ft.
T1N R90W S23.  40.0407 N, 107.4558 W.  
Spruce forest on north-facing slope, with lodgepole pine, subalpine fir, and aspen. 

James P. Vanderhorst, 1743.  8/15/1990. 		 
_________________________________________________________________________

1123.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Garfield County: Flat Tops/White River Plateau: No Name Creek, ca 3 mi NE of Glenwood Springs.  Elev. 6000-6200 ft.
T5S R88W S32; also S29 and S20.  39.5714 N, 107.2869 W.  
Bottom of canyon along creek, with Douglas fir, poplar, and thimbleberry. 

James P. Vanderhorst, 235b.  6/6/1990. 		 
_________________________________________________________________________

1124.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Rio Blanco County: Flat Tops/White River Plateau: Crosho Lake, ca 8 air mi W of Yampa.  Elev. 8900 ft.
T2N R86W S4.  40.1717 N, 107.0501 W.  
Lake shore. 

James P. Vanderhorst, 2382.  6/7/1991. 		 
_________________________________________________________________________

1125.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Rio Blanco County: Flat Tops/White River Plateau: Baldy Mountain, ca 16 air mi W of Yampa.  Elev. 9400 ft.
T2N R87W S7.  40.157 N, 107.2032 W.  
North sloping aspen woods with creeks. 

James P. Vanderhorst, 2625.  6/16/1991. 		 
_________________________________________________________________________

1126.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Rio Blanco County: Flat Tops/White River Plateau: Flat Tops Wilderness: slopes above Sheriff Reservoir, ca 13 air mi W of Yampa.  Elev. 9800-10400 ft.
T2N R87W S15.  40.1422 N, 107.1458 W.  
Slopes, west exposure, and meadows, with scattered clumps of spruce, fir, and aspen. 

James P. Vanderhorst, 2844.  6/27/1991. 		 
_________________________________________________________________________

1127.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Routt County: Flat Tops/White River Plateau: Beaver Creek, ca 20 air mi SSW of Hayden.  Elev. 7800 ft.
T3N R89W S15.  40.2309 N, 107.3732 W.  
Riparian zone, with blue spruce, willows, and cottonwood. 

James P. Vanderhorst, 2865.  6/28/1991. 		 
_________________________________________________________________________

1128.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Garfield County: Flat Tops/White River Plateau: Flat Tops Wilderness: slopes above Little Trappers Lake, ca 19 air mi SW of Yampa.  Elev. 10400-10800 ft.
T1S R87W S7.  39.9788 N, 107.1929 W.  
Wet areas around creeks. 

James P. Vanderhorst, 3258.  7/12/1991. 		 
     with Carlos Palaci
_________________________________________________________________________

1129.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Routt County: Flat Tops/White River Plateau: creek N of Colorado River NW of and near McCoy, ca 18 air mi SSE of Yampa.  Elev. 6900 ft.
T1S R84W S36.  39.9266 N, 106.7508 W.  
Wet arroyo bottom, with cottonwood, willows, sedges, and grasses. 

James P. Vanderhorst, 3302.  7/15/1991. 		 
     with Carlos Palaci
_________________________________________________________________________

1130.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Rio Blanco County: Flat Tops/White River Plateau: Dunckley Flat Tops N of Dunckley Pass, ca 11 air mi WSW of Oak Creek.  Elev. 9500 ft.
T3N R87W S27.  40.2011 N, 107.1458 W.  
Moist spruce-fir forest with small boggy clearings. 

James P. Vanderhorst, 3656.  8/3/1991. 		 
_________________________________________________________________________

1131.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Rio Blanco County: Flat Tops/White River Plateau: Rough Creek, ca 17 air mi WSW of Oak Creek.  Elev. 8600 ft.
T2N R88W S3.  40.1717 N, 107.2606 W.  
Riparian zone with alder. 

James P. Vanderhorst, 3757.  8/4/1991. 		 
_________________________________________________________________________

1132.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Garfield County: Flat Tops/White River Plateau: cliffs and ridges between Sweetwater and Turret creeks, ca 21 air mi NNE of Glenwood Springs.  Elev. 8300 ft.
T3S R87W S5; also S6.  39.8187 N, 107.174 W.  
Wet area in and around pond, Populus tremuloides. 

James P. Vanderhorst, 53.  5/27/1990. 		 
     with Walter Fertig
_________________________________________________________________________

1133.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Rio Blanco County: Flat Tops/White River Plateau: South Fork White River, ca 34 air mi ESE of Meeker.  Elev. 9000-9600 ft.
T2S R89W S36.  39.8333 N, 107.3246 W.  
Wet area along stream, with Abies and Picea. 

James P. Vanderhorst, 661.  6/27/1990. 		 
_________________________________________________________________________

1134.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Garfield County: Flat Tops/White River Plateau: Rifle Mountain Park: East Rifle Creek, 1 air mi S of Community Building; ca 14 air mi NNE of Rifle.  Elev. 7000-7050 ft.
T4S R92W S11.  39.7169 N, 107.6821 W.  
Bottom of limestone canyon, riparian zone with Acer negundo and cliff faces and talus slopes; riparian. 

Ronald L. Hartman, 24587.  5/24/1990. 		 
     with James P. Vanderhorst and Walter Fertig
_________________________________________________________________________

1135.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Natrona County: Laramie Range: Muddy Mountain: along Otter Creek, ca 15 air mi SE of Casper.  Elev. 7200-7550 ft.
T31N R78W S16.  42.6569 N, 106.1969 W.  
Creekside. Phenology: vegetative only. 

B. A. Packer, 5458.  8/15/1998. 		RM 678773	Barcode: RM0125528
     with J. Brondum & T. McGowan
_________________________________________________________________________

1136.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Garfield County: Flat Tops/White River Plateau: headwaters of East Elk Creek, ca 22 air mi NE of Rifle.  Elev. 10000-10400 ft.
T3S R90W S35; also T4S R90W S2.  39.746 N, 107.4563 W.  
Grassy slopes, limestone outcrops, often with Douglas fir and aspen, and streamside. 

Ronald L. Hartman, 25891.  6/24/1990. 		 
_________________________________________________________________________

1137.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Rio Blanco County: Flat Tops/White River Plateau: Cliff Lakes, ca 2 mi N of Meadow Lake.  Elev. 9000-61000 ft.
T2S R91W S36; also T2S R90W S30 and S31.  39.8333 N, 107.5503 W.  
Spruce and aspen woodlands, meadows, and streamside. 

Ronald L. Hartman, 26309.  6/28/1990. 		 
_________________________________________________________________________

1138.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Laramie Range: along North Laramie River.  Elev. 6500-6900 ft.
T26N R71W S27 W1/2.  42.198 N, 105.352 W.  
Along river. Phenology: vegetative only. 

B. A. Packer, 5533.  8/29/1998. 		RM 678729	Barcode: RM0125319
     with T. McGowan & J. Brondum
_________________________________________________________________________

1139.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: South-central Wyoming: Sierra Madre: Hell Canyon off Green Ridge, ca 1 air mi E of Savery Creek, ca 41 air mi S of Rawlins; ca 20 air mi NE of Baggs; ca 3.5 air mi SW of Tullis.  Elev. 7500-7700 ft.
T14N R88W S18 E1/2.  41.1854 N, 107.3365 W; uncertainty 1 mi..  
Willow-alder thickets and stream margins in the canyon bottom. Phenology: vegetative only. 

B. E. Nelson, 38723.  7/15/1996. 		RM 670928	Barcode: RM0125314
_________________________________________________________________________

1140.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: South-central Wyoming: Sierra Madre: along a small drainage on the south side of Browns Hill or County Road 602, ca 3/4 mi E of Tullis, ca 37.5 air mi S of Rawlins; ca 23 air mi NE of Baggs.  Elev. 7720-7800 ft.
T15N R88W S34 W1/2.  41.2289 N, 107.2794 W.  
Moist to wet meadows with patches of alder. Phenology: vegetative only. 

B. E. Nelson, 38868.  7/15/1996. 		 670927	Barcode: RM0125313
_________________________________________________________________________

1141.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: South-central Wyoming: Sierra Madre: along the Continental Divide on Miller Hill off Miller Hill or County Road 505, ca 18.5 air mi S of Rawlins; ca 6.5 air mi ESE of Bridger Pass.  Elev. 8180-8320 ft.
T18N R88W S16 South1/2.  41.534 N, 107.3102 W.  
Edge of willow thickets below melting snow. Phenology: vegetative only. 

B. E. Nelson, 39088.  7/21/1996. 		RM 670826	Barcode: RM0125312
_________________________________________________________________________

1142.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: South-central Wyoming: Sierra Madre: along Dirtyman Fork and area to the south, 0.8-1.5 air mi SW of Dexter Peak, ca 5-5.5 air mi E of Tullis; ca 36 air mi S of Rawlins; ca 26.5 air mi NE of Baggs.  Elev. 7920-8570 ft.
T15N R87W S29 E1/2.  41.2434 N, 107.2034 W.  
Along a brushy creek with seeps in a canyon. Phenology: vegetative only. 

B. E. Nelson, 39794.  8/13/1996. 		 667852	Barcode: RM0125573
     with Beth Ward
_________________________________________________________________________

1143.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: South-central Wyoming: along Muddy Creek on the north end of Peach Orchard Flat, ca 14.5 air mi N of Baggs; ca 41 air mi SW of Rawlins.  Elev. 6420-6440 ft.
T15N R91W S30 SE1/4.  41.2434 N, 107.6787 W.  
Banks and low benches along the stream channel. Phenology: vegetative only. 

B. E. Nelson, 39931.  8/15/1996. 		RM 670825	Barcode: RM0125406
_________________________________________________________________________

1144.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: South-central Wyoming: along Muddy Creek and the Overland Trail, ca 6 air mi SW of Bridger Pass, ca 25 air mi SW of Rawlins; ca 31.5 air mi NNE of Baggs.  Elev. 7070-7160 ft.
T17N R90W S2 South1/4.  41.4761 N, 107.5014 W.  
Banks and flats along the creek. Phenology: vegetative only. 

B. E. Nelson, 40019.  8/19/1996. 		 670824	Barcode: RM0125333
_________________________________________________________________________

1145.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: South-central Wyoming: along Littlefield Creek and vicinity, ca 0.5 mi above Muddy Creek, ca 25 air mi SSW of Rawlins.  Elev. 7200-7320 ft.
T17N R89W S17 N1/2; also SE1/4 S18.  41.4471 N, 107.444 W.  
Stream bank and sand bars. Phenology: vegetative only. 

B. E. Nelson, 40054.  8/19/1996. 		 670823	Barcode: RM0125332
_________________________________________________________________________

1146.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Los Alamos County: Jemez Mountains: Bandelier National Monument: upper Rito de los Frijoles watershed above the Upper Frijoles Crossing and below the forks.  Elev. 7800-8000 ft.
Moist canyon bottom with mixed conifers, wet meadow openings, and seeps and springs along perennial stream. Phenology: vegetative only. 

Brian F. Jacobs, 5056.  8/15/2003. 		RM 779049
_________________________________________________________________________

1147.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Sandoval County: Jemez Mountains: Bandelier National Monument: along lower Rito de los Frijoles Canyon.
Along stream. Phenology: spores. 

Brian F. Jacobs, 5110.  //. 		RM 
     with Milo Guthrie
_________________________________________________________________________

1148.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Rock Springs Uplift: lower slope of Laney Rim adjacent to Gap Creek, ca 0.5 mi N of Titsworth Gap, the confluence of Gap and Beans Spring creeks; ca 26 air mi SSE of Rock Springs.  Elev. 7080-7400 ft.
T14N R103W S7 NE1/4.  41.2082 N, 109.0537 W.  
Creekside. Phenology: vegetative only. 

Beth Ward, 2090.  7/5/1996. 		 670932	Barcode: RM0125318
_________________________________________________________________________

1149.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: South-central Wyoming: Sierra Madre: southwestern lower slopes of Battle Mountain, ca 8 air mi E of confluence of Savery Creek and Little Snake River; ca 18.5 air mi E of Baggs.  Elev. 7160-8600 ft.
T12N R88W S9; also N1/2 S16.  41.026 N, 107.2984 W; uncertainty 1 mi..  
Close proximity to spring. Phenology: vegetative only. 

Beth Ward, 2521.  7/14/1996. 		RM 667850	Barcode: RM0125551
_________________________________________________________________________

1150.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: head of draw descending from Pine Mountain to the NE, ca 8 air mi SSW of Potter Mountain; ca 38 air mi SSE of Rock Springs.  Elev. 9210-9360 ft.
T12N R103W S10 N1/2.  41.0351 N, 108.9964 W.  
Moist forest floor. Phenology: vegetative only. 

Beth Ward, 3364.  7/27/1996. 		 670931	Barcode: RM0125317
_________________________________________________________________________

1151.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: South-central Wyoming: Little Snake River flood plain on the north side of the river, ca 0.5 mi E of confluence of Sand Creek with the Little Snake River; ca 10.5 air mi WSW of Baggs.  Elev. 6080-6085 ft.
T12N R93W S10 SW1/4; also SE1/4 S9.  41.026 N, 107.8498 W.  
Bank above river. Phenology: vegetative only. 

Beth Ward, 3534.  8/2/1996. 		RM 670930	Barcode: RM0125316
_________________________________________________________________________

1152.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: South-central Wyoming: Sierra Madre: northwest slopes of Battle Mountain, ca 3 air mi N of Colorado; ca 18 air mi E of Baggs.  Elev. 7200-8280 ft.
T12N R88W S4 NE1/4; also T13N R88W South1/4 S33.  41.0405 N, 107.2984 W.  
Shaded draw. Phenology: vegetative only. 

Beth Ward, 3930.  8/20/1996. 		 670929	Barcode: RM0125315
_________________________________________________________________________

1153.  Equisetum arvense L. 				Equisetaceae

U.S.A., Oregon, Umatilla County: Umatilla National Forest and Vicinity: along North Fork Umatilla River, 0.5-1 air mi ESE of Corporation Guard Station.  Elev. 2300-2700 ft.
T3N R37E S22.  45 43' 36" N, 118 11' 8" W; GPS Reading.  
Douglas-fir and populus overstory and alder spp. along the river; soil fine, deep, light brown; slope 0-15; aspect southwest. Phenology: vegetative only. 

Heather Bradtke, 11.  6/10/2001. 		RM 
_________________________________________________________________________

1154.  Equisetum arvense L. 				Equisetaceae

U.S.A., Oregon, Umatilla County: Umatilla National Forest and Vicinity: 3 air mi S of Corporation Guard Station on South Fork Umatilla River Trail.  Elev. 2400-2600 ft.
T2N R37E S5 N1/2.  45 41' 15" N, 118 12' 20" W; GPS Reading.  
20 ft from river along trail in woods opening with shrub cover; soil organic; slope 0-5; aspect ravine. Phenology: vegetative only. 

Heather Bradtke, 1199.  7/1/2001. 		RM 
_________________________________________________________________________

1155.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Larimer County: Front Range: Miller Fork, ca 2.5 air mi N of Glen Haven; ca 8.5 air mi NE of Estes Park.  Elev. 7700 ft.
T6N R72W.  
Boggy streambank. Abundant. Phenology: vegetative only. 

Roger L. Williams, 782.  6/17/1989. 		RM 960636	Barcode: RM0215989
_________________________________________________________________________

1156.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Sierra Madre: North Fork Encampment River, ca 7 air mi SW of Encampment.  Elev. 8400 ft.
T14N R85W S25.  
Wet streamside. Few plants. Phenology: spores. 

Roger L. Williams, 904.  6/30/1990. 		RM 960632	Barcode: RM0215985
_________________________________________________________________________

1157.  Equisetum arvense L. 				Equisetaceae

U.S.A., Washington, Ferry County: Western Colville National Forest and Vicinity: Kettle River Drainage: ca 8 air mi W of Danville along Forest Road 2113 to Forest Road 800.  Elev. 4600 ft.
T40N R33E S8 SW1/4 of SW1/4; also NW1/4 S17.  48.9792 N, 118.6684 W.  
Roadside/small creek. Phenology: vegetative only. 

Jean Wood, 1150.  6/9/1995. 		 
_________________________________________________________________________

1158.  Equisetum arvense L. 				Equisetaceae

U.S.A., Oregon, Umatilla County: Umatilla National Forest and Vicinity: Camp Creek Trail, near Meacham Creek.  Elev. 2200-2500 ft.
T1N R36E S9; also SE1/8 S4.  45 34' 52" N, 118 18' 52" W; GPS Reading.  
Muddy creek bank in mixed conifer forest; soil organic; slope 5-10; aspect westerly. Phenology: vegetative only. 

Heather Bradtke, 1431.  7/1/2001. 		RM 
     with Stuart Markow
_________________________________________________________________________

1159.  Equisetum arvense L. 				Equisetaceae

U.S.A., Washington, Stevens County: Western Colville National Forest and Vicinity: South Fork Mill Creek Drainage: Old Dominion Mountain Meadow, ca 9 air mi NE of Colville; off Hanson Springs Road on Forest Road 020.  Elev. 3250 ft.
T36N R41E S31 W1/2 of NW1/4.  48.5761 N, 117.6815 W.  
Grazed Carex marsh/meadow with surrounding dry meadow; edges of mixed forest with lodgepole pine and hemlock/white pine. Phenology: vegetative only. 

Jean Wood, 1273.  6/24/1995. 		 
_________________________________________________________________________

1160.  Equisetum arvense L. 				Equisetaceae

U.S.A., Washington, Stevens County: Western Colville National Forest and Vicinity: Mill Creek Drainage: along Middle Fork of Mill Creek and Bon Ayre Valley on Forest Road 4668, ca 10 air mi NE of Colville.  Elev. 2900-3300 ft.
T36N R40E S2 E1/2; also T36N R41E S6 SW1/4 of NE1/4.  48.6485 N, 117.7248 W.  
Old homestead meadows, heavily grazed; creekside and edges of lodgepole pine and cedar/spruce. Phenology: vegetative only. 

Jean Wood, 1382.  6/27/1995. 		 
_________________________________________________________________________

1161.  Equisetum arvense L. 				Equisetaceae

U.S.A., Washington, Stevens County: Western Colville National Forest and Vicinity: east side of Columbia River, ca 2.5 air mi E of Daisy at the base of Gold Hill, ca 0.5 mi E of junction of Breckenridge Road and Beck Road.  Elev. 2700 ft.
T33N R37E S14 SE1/4.  48.359 N, 118.1144 W.  
West facing bench with small rocky outcrop and small seasonal creek; ponderosa pine and Douglas fir/nineback, with birch and aspen in wetter area. Phenology: vegetative only. 

Jean Wood, 178.  5/21/1995. 		 
_________________________________________________________________________

1162.  Equisetum arvense L. 				Equisetaceae

U.S.A., Washington, Stevens County: Western Colville National Forest and Vicinity: Lenhart Meadows in Little Pend Oreille National Wildlife Refuge, ca 13 air mi SE of Colville along Forest Road 3927.  Elev. 3200 ft.
T34N R41E S23 NW1/4 of NW1/4.  48.4314 N, 117.595 W.  
Carex meadows and creek bottoms and seeps surrounded by Douglas fir forest and grand fir; larch and lodgepole pine; Clintonia and Vaccinium scopulorum; scattered spruce; alders along creek. Phenology: vegetative only. 

Jean Wood, 1915.  7/3/1995. 		 
_________________________________________________________________________

1163.  Equisetum arvense L. 				Equisetaceae

U.S.A., Washington, Ferry County: Western Colville National Forest and Vicinity: Kettle Range: east end of Taylor Ridge, ca 8 air mi SW of Orient along Forest Road 6113.  Elev. 4700-5400 ft.
T38N R35E S10 NE1/4; also N1/2 S14 and NE1/4 S15.  48.8074 N, 118.3618 W.  
Wet seepy area in spruce/subalpine fir forest; northeast aspect. Phenology: spores. 

Jean Wood, 2117.  7/5/1995. 		 
_________________________________________________________________________

1164.  Equisetum arvense L. 				Equisetaceae

U.S.A., Washington, Stevens County: Western Colville National Forest and Vicinity: Little Pend Oreille National Wildlife Refuge: ca 15 air mi SE of Colville along Bear Creek.  Elev. 2500-2700 ft.
T34N R41E S21 N1/2.  48.4314 N, 117.6383 W.  
Small flat areas with seeps; hemlock and cedar. Phenology: vegetative only. 

Jean Wood, 2288.  7/14/1995. 		 
_________________________________________________________________________

1165.  Equisetum arvense L. 				Equisetaceae

U.S.A., Washington, Stevens County: Western Colville National Forest and Vicinity: Mount Rogers, ca 13 air mi NE of Colville; loop trail to summit from Forest Road 620.  Elev. 4700-5557 ft.
T37N R40E S9 NE1/4; also NW1/4 S10.  48.7216 N, 117.764 W.  
Small seeps, springs and lakes; rocky balds and outcrops; mixed forest with subalpine fir, spruce, larch, and cedar. Phenology: vegetative only. 

Jean Wood, 2356.  7/15/1995. 		 
_________________________________________________________________________

1166.  Equisetum arvense L. 				Equisetaceae

U.S.A., Oregon, Umatilla County: Umatilla National Forest and Vicinity: along Forest Road 54 and Pearson Creek, ca 9 mi SSE of Pilot Rock.  Elev. 3400-4850 ft.
T3S R33E S3; also S4.  45 19' 54" N, 118 43' 0" W; GPS Reading.  
Directly along stream; Alnus, grass, and Equisetum present; soil organic; slope 0-5; aspect ravine. Phenology: vegetative only. 

Heather Bradtke, 1550.  7/5/2001. 		RM 
_________________________________________________________________________

1167.  Equisetum arvense L. 				Equisetaceae

U.S.A., Washington, Ferry County: Western Colville National Forest and Vicinity: Sherman Peak on Kettle Crest, ca 12 air mi ESE of Republic; Sherman Peak Loop Trail from Wash Hwy 20 at Sherman Pass.  Elev. 5600-6800 ft.
T36N R34E S24 SE1/4; also NE1/4 S25 and T36N R35E W1/2 S19 and NW1/4 S30.  48.6051 N, 118.488 W.  
Open slopes with granite outcrops, rocky ridge with talus; small lake with boggy area; mixed forest with subalpine fir, lodgepole pine, and larch. Phenology: vegetative only. 

Jean Wood, 2571.  7/23/1995. 		 
_________________________________________________________________________

1168.  Equisetum arvense L. 				Equisetaceae

U.S.A., Washington, Stevens County: Western Colville National Forest and Vicinity: Nork Fork Chewelah Creek Drainage: Hidden Meadows, ca 18 air mi ESE of Colville along Forest Road 270.  Elev. 4100 ft.
T34N R42E S30 NE1/4.  48.4169 N, 117.5517 W.  
Carex meadow; creekside; hemlock/cedar forest. Phenology: vegetative only. 

Jean Wood, 2853.  8/4/1995. 		 
_________________________________________________________________________

1169.  Equisetum arvense L. 				Equisetaceae

U.S.A., Washington, Stevens County: Western Colville National Forest and Vicinity: Chewelah Mountain, ca 7 air mi E of Chewelah, along Tenmile Creek W of ski area road.  Elev. 3900-4100 ft.
T32N R41E S1 NE1/4.  48.3011 N, 117.5733 W.  
Mature cedar/hemlock forest, crossed by old road with conifer saplings and alders. Phenology: vegetative only. 

Jean Wood, 2951.  8/6/1995. 		 
_________________________________________________________________________

1170.  Equisetum arvense L. 				Equisetaceae

U.S.A., Washington, Stevens County: Western Colville National Forest and Vicinity: Little Pend Oreille Wildlife Refuge: McDowell Lake, ca 11 air mi SE of Colville along Rookery Road.  Elev. 2300-2400 ft.
T34N R41E S7 NE1/4; also NW1/4 and SE1/4 S8.  48.4603 N, 117.6815 W.  
Lake edge and bottom; along source creek; Carex and alders. Phenology: vegetative only. 

Jean Wood, 3087.  8/8/1995. 		 
_________________________________________________________________________

1171.  Equisetum arvense L. 				Equisetaceae

U.S.A., Washington, Stevens County: Western Colville National Forest and Vicinity: Little Pend Oreille Wildlife Refuge: McDowell Lake, ca 11 air mi SE of Colville along Rookery Road.  Elev. 2300-2400 ft.
T34N R41E S7 NE1/4; also NW1/4 and SE1/4 S8.  48.4603 N, 117.6815 W.  
Lake edge and bottom; along source creek; Carex and alders. Phenology: vegetative only. 

Jean Wood, 3105.  8/8/1995. 		 
_________________________________________________________________________

1172.  Equisetum arvense L. 				Equisetaceae

U.S.A., Washington, Ferry County: Western Colville National Forest and Vicinity: Kettle Crest Trail and Old Stage Road, ca 6 air mi N of Sherman Pass; from trailhead on Albion Hill Road.  Elev. 5400-6486 ft.
T37N R34E S2; also S11, S12; also S13; T38N R34E S35.  48.7359 N, 118.4713 W.  
South aspect sagebrush balds with scattered large Douglas fir; subalpine fir/lodgepole pine forest with large 1 year-old burn areas. Phenology: vegetative only. 

Jean Wood, 3172.  8/10/1995. 		 
_________________________________________________________________________

1173.  Equisetum arvense L. 				Equisetaceae

U.S.A., Washington, Ferry County: Western Colville National Forest and Vicinity: Kettle Crest Trail and Old Stage Road, ca 6 air mi N of Sherman Pass; from trailhead on Albion Hill Road.  Elev. 5400-6486 ft.
T37N R34E S2; also S11, S12; also S13; T38N R34E S35.  48.7359 N, 118.4713 W.  
South aspect sagebrush balds with scattered large Douglas fir; subalpine fir/lodgepole pine forest with large 1 year-old burn areas. Phenology: vegetative only. 

Jean Wood, 3205.  8/10/1995. 		 
_________________________________________________________________________

1174.  Equisetum arvense L. 				Equisetaceae

U.S.A., Oregon, Umatilla County: Umatilla National Forest and Vicinity: along Forest Road 54 and Pearson Creek, ca 9 mi SSE of Pilot Rock.  Elev. 3400-4850 ft.
T3S R33E S3; also S4.  45 19' 54" N, 118 43' 0" W; GPS Reading.  
Midslope near or under partial shade of mixed conifers, with lupines, Tragopogon, and Equisetum; soil of moderate depth, brown; slope 10-20; aspect westerly. Phenology: spores. 

Heather Bradtke, 1635.  7/5/2001. 		RM 
_________________________________________________________________________

1175.  Equisetum arvense L. 				Equisetaceae

U.S.A., Oregon, Umatilla County: Umatilla National Forest and Vicinity: along Forest Road 54 and Pearson Creek, ca 9 mi SSE of Pilot Rock.  Elev. 3400-4850 ft.
T3S R33E S3; also S4.  45 19' 54" N, 118 43' 0" W; GPS Reading.  
Midslope near or under partial shade of mixed conifers, with lupines, Tragopogon, and Equisetum; soil of moderate depth, brown; slope 10-20; aspect westerly. Phenology: vegetative only. 

Heather Bradtke, 1638.  7/5/2001. 		RM 
_________________________________________________________________________

1176.  Equisetum arvense L. 				Equisetaceae

U.S.A., Washington, Ferry County: Western Colville National Forest and Vicinity: Kettle Crest: north end of Kettle Crest Trail, ca 9 air mi SE of Curlew.  Elev. 4700-5400 ft.
T39N R35E S20 SE1/4; also S29, E1/2 S31; also NW1/4 S32.  48.8647 N, 118.4056 W.  
Rock outcrops with small seeps, south facing open area; mixed forest with mature ponderosa pine/larch; lodgepole pine/subalpine fir at higher elevations. Phenology: vegetative only. 

Jean Wood, 3299.  8/12/1995. 		 
_________________________________________________________________________

1177.  Equisetum arvense L. 				Equisetaceae

U.S.A., Washington, Pend Oreille County: Western Colville National Forest and Vicinity: Little Pend Oreille Lakes, ca 20 air mi NE of Colville along south shore of Lake Leo, along Wash Hwy 20.  Elev. 3165 ft.
T37N R42E S3 SW1/4.  48.7358 N, 117.4853 W.  
Lakeshore and forest edge; mixed subalpine fir/spruce/lodgepole pine. Phenology: vegetative only. 

Jean Wood, 3445.  8/14/1995. 		 
_________________________________________________________________________

1178.  Equisetum arvense L. 				Equisetaceae

U.S.A., Washington, Pend Oreille County: Western Colville National Forest and Vicinity: Granite Meadows, ca 3.5 air mi E of Little Pend Oreille Lakes, off Tacoma Divide Road.  Elev. 4350 ft.
T36N R42E S14 SW1/4.  48.6196 N, 117.4651 W.  
Old beaver ponds with some open water; extensive peat bog with multiple Carex species. Phenology: vegetative only. 

Jean Wood, 3496.  8/14/1995. 		 
_________________________________________________________________________

1179.  Equisetum arvense L. 				Equisetaceae

U.S.A., Oregon, Grant County: Umatilla National Forest and Vicinity: Haiku Meadow along Lost Creek, ca 2 air mi SE of Olive Lake.  Elev. 6400-7100 ft.
T9S R34E S34.  44 44' 34" N, 118 35' 51" W; GPS Reading.  zone 11, 4955418E, 373521N; GPS Reading.  
In wetland area in cirque; in spruce woods; soil organic; slope 0-5; aspect northeast. Phenology: vegetative only. 

Heather Bradtke, 1670.  7/6/2001. 		RM 
_________________________________________________________________________

1180.  Equisetum arvense L. 				Equisetaceae

U.S.A., Washington, Ferry County: Western Colville National Forest and Vicinity: Kettle Range: Trailhead and parking area to Hall Ponds, ca 12 air mi SE of Republic; Forest Road 600 from Hall Creek on west side of Sherman Pass.  Elev. 4600 ft.
T35N R34E S16 SE1/4.  48.5323 N, 118.5534 W.  
Mixed forest of ponderosa pine to subalpine fir. Phenology: vegetative only. 

Jean Wood, 3636.  8/16/1995. 		 
_________________________________________________________________________

1181.  Equisetum arvense L. 				Equisetaceae

U.S.A., Oregon, Grant County: Umatilla National Forest and Vicinity: Haiku Meadow along Lost Creek, ca 2 air mi SE of Olive Lake.  Elev. 6400-7100 ft.
T9S R34E S34.  44 44' 34" N, 118 35' 51" W; GPS Reading.  zone 11, 4955418E, 373521N; GPS Reading.  
In wetland area in cirque; in sun; soil organic; slope 0-5; aspect northeast. Phenology: vegetative only. 

Heather Bradtke, 1684.  7/6/2001. 		RM 
_________________________________________________________________________

1182.  Equisetum arvense L. 				Equisetaceae

U.S.A., Washington, Stevens County: Western Colville National Forest and Vicinity: Abercrombie Mountain, ca 15 air mi E of Northport along Forest Road 300 from Silver Creek at Leadpoint.  Elev. 4800-7308 ft.
T40N R42E S34 SE1/4; also SE1/4 S35; T39N R42E N1/2 S2.  48.9245 N, 117.4853 W.  
Trailside through cool wet forest (hemlock, cedar, spruce and subalpine fir); open balds and talus with scattered subalpine fir and whitebark pine stumps; lodgepole pine and whitebark pine regeneration. Phenology: vegetative only. 

Jean Wood, 3760.  8/18/1995. 		 
_________________________________________________________________________

1183.  Equisetum arvense L. 				Equisetaceae

U.S.A., Washington, Ferry County: Western Colville National Forest and Vicinity: Sherman Creek Wildlife Recreation Area: along Sherman Creek, ca 4 air mi WSW of Kettle Falls; toward Inchelium along Wash Hwy 3; ca 0.5 mi S of junction of Wash hwys 3 and 20.  Elev. 1700-1800 ft.
T36N R37E S28 SE1/4.  48.5906 N, 118.1576 W.  
Flat benches on both sides of road, gravel bank of road cut west/northeast exposure, ravine of creek; ponderosa pine flats, gravel pit, disturbed roadside, mixed forest creekside. Phenology: vegetative only. 

Jean Wood, 57.  5/20/1995. 		 
_________________________________________________________________________

1184.  Equisetum arvense L. 				Equisetaceae

U.S.A., Washington, Ferry County: Western Colville National Forest and Vicinity: Sanpoil River Drainage: shores of Long Lake, ca 10 air mi SSW of Republic.  Elev. 3500 ft.
T35N R32E S28; also S33.  48.5032 N, 118.8146 W.  
Marly creek on lakeshore. Phenology: vegetative only. 

Jean Wood, 752.  6/3/1995. 		 
_________________________________________________________________________

1185.  Equisetum arvense L. 				Equisetaceae

U.S.A., Washington, Stevens County: Western Colville National Forest and Vicinity: Colville River mouth, ca 2 air mi SW of Kettle Falls along north shore of the bay.  Elev. 1400 ft.
T36N R37E S36 South 1/2 of NW1/4.  48.5761 N, 118.0927 W.  
Riverside wetland; ponderosa pine/pinegrass; slopes and benches. Phenology: vegetative only. 

Jean Wood, 944.  6/7/1995. 		 
_________________________________________________________________________

1186.  Equisetum arvense L. 				Equisetaceae

U.S.A., Washington, Ferry County: Western Colville National Forest and Vicinity: French Point, west bank of Columbia River, ca 10 air mi SW of Kettle Falls.  Elev. 1300 ft.
T35N R37E S29; also S31 and S32.  48.5037 N, 118.1793 W.  
Ponderosa pine/pinegrass open forest to riverbank and rocky islands. Phenology: vegetative only. 

Jean Wood, 3855.  5/20/1996. 		 
_________________________________________________________________________

1187.  Equisetum arvense L. 				Equisetaceae

U.S.A., Washington, Ferry County: Western Colville National Forest and Vicinity: Kettle River Campground, ca 0.5 air mi E of Boyds on the west bank of Kettle River.  Elev. 1320 ft.
T37N R37E S8; also S9.  48.7215 N, 118.1428 W.  
Open ponderosa pine/pinegrass, mixed forest edge, riverbank, seasonally flooded inlets, and rock outcrops. Phenology: spores. 

Jean Wood, 3976.  5/20/1996. 		 
_________________________________________________________________________

1188.  Equisetum arvense L. 				Equisetaceae

U.S.A., Washington, Stevens County: Western Colville National Forest and Vicinity: Bear Creek, west side of Columbia River, ca 1.5 air mi W of Northport. Private land owned by Bear Creek Nursery.  Elev. 1900 ft.
T40N R40E S2.  48.9935 N, 117.6828 W.  
Creekside. Phenology: spores. 

Jean Wood, 4020.  5/22/1996. 		 
_________________________________________________________________________

1189.  Equisetum arvense L. 				Equisetaceae

U.S.A., Washington, Ferry County: Western Colville National Forest and Vicinity: Barstow Flats on Kettle River, ca 1 air mi SSE of Barstow store.  Elev. 1300 ft.
T38N R37E S29 NE1/4; also W1/2 S28.  48.7645 N, 118.1428 W.  
Riverbank and sandy flood plain with ponderosa pine; heavily infested with cheatgrass and Poa bulbosa. Phenology: vegetative only. 

Jean Wood, 4383.  5/31/1996. 		 
_________________________________________________________________________

1190.  Equisetum arvense L. 				Equisetaceae

U.S.A., Washington, Stevens County: Western Colville National Forest and Vicinity: mouth of Colville River, north bank below bridge on Wash Hwy 25, ca 3 mi S of Kettle Falls.  Elev. 1300 ft.
T36N R37E S36 SE1/4.  48.5761 N, 118.0927 W.  
Riverbank, flood area, and bordering ponderosa pine forest. Phenology: vegetative only. 

Jean Wood, 4431.  6/1/1996. 		 
     with Jack Nisbet
_________________________________________________________________________

1191.  Equisetum arvense L. 				Equisetaceae

U.S.A., Washington, Stevens County: Western Colville National Forest and Vicinity: Little Pend Oreille Wildlife Refuge: Blacktail Mountain, ca 15 mi ESE of Colville in Little Pend Oreille River drainage.  Elev. 3200 ft.
T34N R41E S3 NW1/4; also T35N R41E SW1/4 S34.  48.4748 N, 117.6166 W.  
Streamside by old cabin. Phenology: vegetative only. 

Jean Wood, 4512.  6/2/1996. 		 
_________________________________________________________________________

1192.  Equisetum arvense L. 				Equisetaceae

U.S.A., Washington, Stevens County: Western Colville National Forest and Vicinity: tramway region of Huckleberry Creek drainage, ca 3 air mi NW of Waitts Lake; ca 7 air mi SW of Chewelah.  Elev. 2400-3000 ft.
T32N R39E S35; also NW1/4 S36, SW1/4 S25; also SE1/4 S26.  48.2287 N, 117.8547 W.  
Rock outcrops and bald ridges with occasional large Douglas fir and ponderosa pine; mixed woods in draws. Phenology: vegetative only. 

Jean Wood, 4609.  6/4/1996. 		 
     with Sylvia Brock
_________________________________________________________________________

1193.  Equisetum arvense L. 				Equisetaceae

U.S.A., Washington, Ferry County: Western Colville National Forest and Vicinity: Hoodoo Canyon Trail to Emerald Lake from Deadman Creek, ca 10 air mi W of Kettle Falls.  Elev. 2600-3800 ft.
T37N R36E S32 W1/2; also T36N R36E E1/2 S3.  48.6643 N, 118.2742 W.  
Lake shore; trailside through mixed forest to north facing balds, rock outcrops, and cliffs with scattered ponderosa pine, Douglas fir, and pinegrass; small seeps. Phenology: vegetative only. 

Jean Wood, 4726.  6/6/1996. 		 
_________________________________________________________________________

1194.  Equisetum arvense L. 				Equisetaceae

U.S.A., Washington, Ferry County: Western Colville National Forest and Vicinity: Gibraltar Mountain, ca 1 air mi SE of Republic.  Elev. 3200-3800 ft.
T36N R33E S16 NW1/4; also NE1/4 S17; also S8.  48.6196 N, 118.684 W.  
Creek and lakeside through mixed forest to open basaltic balds and ridge tops. Phenology: vegetative only. 

Jean Wood, 4808.  6/8/1996. 		 
     with Linda Swartz
_________________________________________________________________________

1195.  Equisetum arvense L. 				Equisetaceae

U.S.A., Washington, Stevens County: Western Colville National Forest and Vicinity: Little Pend Oreille Wildlife Refuge, ca 6 air mi SE of Colville; access from Buffalo-Wilson Road.  Elev. 2300-2500 ft.
T34N R40E S9 South1/2.  48.4603 N, 117.7681 W.  
Streamside. Phenology: vegetative only. 

Jean Wood, 4906.  6/23/1996. 		 
_________________________________________________________________________

1196.  Equisetum arvense L. 				Equisetaceae

U.S.A., Washington, Stevens County: Western Colville National Forest and Vicinity: Columbia River and Tom Bush Creek, ca 2.5 air mi S of Waneta border station on Wash Hwy 251.  Elev. 1400-1700 ft.
T40N R40E S17 SE1/4; also SW1/4 S16.  48.9649 N, 117.7485 W.  
Creekside. Phenology: vegetative only. 

Jean Wood, 5074.  6/25/1996. 		 
_________________________________________________________________________

1197.  Equisetum arvense L. 				Equisetaceae

U.S.A., Washington, Stevens County: Western Colville National Forest and Vicinity: Black Canyon ridgetop, ca 6 air mi ESE of Northport.  Elev. 4000-4680 ft.
T39N R41E S8 E1/2; also NW1/4 S17.  48.8955 N, 117.6621 W.  
Cool, moist subalpine forest; Abies lasiocarpa, hemlock, cedar; also roadside. Phenology: vegetative only. 

Jean Wood, 5118.  6/25/1996. 		 
_________________________________________________________________________

1198.  Equisetum arvense L. 				Equisetaceae

U.S.A., Washington, Ferry County: Western Colville National Forest and Vicinity: Empire Lake, ca 6 air mi SW of Curlew.  Elev. 3600 ft.
T38N R32E S12 NE1/4.  48.8074 N, 118.7122 W.  
Lake shores and cool, moist woods with granite cliffs. Phenology: vegetative only. 

Jean Wood, 5339.  6/27/1996. 		 
_________________________________________________________________________

1199.  Equisetum arvense L. 				Equisetaceae

U.S.A., Washington, Ferry County: Western Colville National Forest and Vicinity: White Creek above Kettle River, ca 2.5 air mi NE of Curlew.  Elev. 2500-2700 ft.
T40N R34E S32 SW1/4.  48.9219 N, 118.537 W.  
Old roads in mixed forest. Phenology: vegetative only. 

Jean Wood, 5533.  6/30/1996. 		 
_________________________________________________________________________

1200.  Equisetum arvense L. 				Equisetaceae

U.S.A., Oregon, Grant County: Umatilla National Forest and Vicinity: Bull Prairie off Forest Road 1010 and west edge of North Fork John Day Wilderness Area.  Elev. 4000-6000 ft.
T8S R33E S13; also T8S R34E N1/2 S18 and S17.  44 52' 9" N, 118 41' 11" W to 44 52' 39" N, 118 38' 54" W; GPS Reading.  
Mixed conifer along creek; this area burned within past decade; soil deep, ruddy, ashy to organic along creek; slope 5-10; aspect northeast. Phenology: vegetative only. 

Heather Bradtke, 1927.  7/10/2001. 		RM 
_________________________________________________________________________

1201.  Equisetum arvense L. 				Equisetaceae

U.S.A., Washington, Ferry County: Western Colville National Forest and Vicinity: Lake Ellen area, ca 16 air mi WSW of Colville, 1/4 mi W of lake.  Elev. 2200-2400 ft.
T35N R36E S34 NE1/4.  48.4887 N, 118.2704 W.  
Wetland and woods, creek. Phenology: vegetative only. 

Jean Wood, 5753.  7/2/1996. 		 
_________________________________________________________________________

1202.  Equisetum arvense L. 				Equisetaceae

U.S.A., Washington, Stevens County: Western Colville National Forest and Vicinity: East Fork Crown Creek, ca 8 air mi NW of Northport.  Elev. 2500 ft.
T40N R38E S23 W1/2.  48.9506 N, 117.9456 W.  
Ponds and wetlands bordering mixed forest. Phenology: vegetative only. 

Jean Wood, 5926.  7/4/1996. 		 
_________________________________________________________________________

1203.  Equisetum arvense L. 				Equisetaceae

U.S.A., Washington, Stevens County: Western Colville National Forest and Vicinity: East Fork Crown Creek, ca 8 air mi NW of Northport.  Elev. 2500 ft.
T40N R32E S23 W1/2.  48.9506 N, 118.7342 W.  
Mixed woods. Phenology: vegetative only. 

Jean Wood, 5969.  7/4/1996. 		 
_________________________________________________________________________

1204.  Equisetum arvense L. 				Equisetaceae

U.S.A., Washington, Stevens County: Western Colville National Forest and Vicinity: Trombetta Canyon, ca 2 air mi S of Northport on Fivemile Creek.  Elev. 1950 ft.
T39N R40E S9 South1/2; also SW1/4 S15 and SE1/4 S16, SW1/4 S16; also NW1/4 S16.  48.8998 N, 117.764 W.  
Homestead meadow and creek. Phenology: vegetative only. 

Jean Wood, 6077.  7/6/1996. 		 
     with Linda Swartz
_________________________________________________________________________

1205.  Equisetum arvense L. 				Equisetaceae

U.S.A., Oregon, Grant County: Umatilla National Forest and Vicinity: Bull Prairie off Forest Road 1010 and west edge of North Fork John Day Wilderness Area.  Elev. 4000-6000 ft.
T8S R33E S13; also T8S R34E N1/2 S18 and S17.  44 52' 9" N, 118 41' 11" W to 44 52' 39" N, 118 38' 54" W; GPS Reading.  
Spruce over shaded seep; soil organic; slope 0-5; aspect northeast. Phenology: vegetative only. 

Heather Bradtke, 1973.  7/10/2001. 		RM 
_________________________________________________________________________

1206.  Equisetum arvense L. 				Equisetaceae

U.S.A., Washington, Stevens County: Western Colville National Forest and Vicinity: Summit Lake and Box Canyon wetlands, ca 3 air mi N of Pierre Lake.  Elev. 2500 ft.
T40N R37E S20 NE1/4; also W1/2 S21 and SW1/4 S16.  48.9506 N, 118.1428 W.  
Lakeside. Phenology: vegetative only. 

Jean Wood, 6302.  7/23/1996. 		 
_________________________________________________________________________

1207.  Equisetum arvense L. 				Equisetaceae

U.S.A., Washington, Ferry County: Western Colville National Forest and Vicinity: Lambert Creek, ca 9 air mi NE of Republic.  Elev. 3800-4700 ft.
T37N R34E S8 South1/2; NE1/4 and also N1/2 S17.  48.7215 N, 118.537 W.  
Creekside. Phenology: vegetative only. 

Jean Wood, 6347.  7/25/1996. 		 
_________________________________________________________________________

1208.  Equisetum arvense L. 				Equisetaceae

U.S.A., Washington, Stevens County: Western Colville National Forest and Vicinity: Smackout Swamp, ca 7 air mi NW of Ione; ca 1 air mi NW of Smackout Pass.  Elev. 3100-3300 ft.
T38N R41E S13 SE1/4; also T38N R42E SW1/4 S18.  48.7939 N, 117.5737 W.  
Mixed woods. Phenology: vegetative only. 

Jean Wood, 6635.  7/27/1996. 		 
_________________________________________________________________________

1209.  Equisetum arvense L. 				Equisetaceae

U.S.A., Oregon, Grant County: Umatilla National Forest and Vicinity: Glade Creek and vicinity in North Fork John Day Wilderness Area, ca 1 air mi W of North Fork John Day River.  Elev. 4500-4800 ft.
T8S R34E S16; also S17.  44 52' 39" N, 118 38' 54" W to 44 52' 49" N, 118 37' 33" W; GPS Reading.  
Wetland in full sun; soil organic; slope 0; aspect northeast. Phenology: fruiting. 

Heather Bradtke, 2023.  7/10/2001. 		RM 
_________________________________________________________________________

1210.  Equisetum arvense L. 				Equisetaceae

U.S.A., Washington, Stevens County: Western Colville National Forest and Vicinity: Deer Creek, ca 6 air mi SW of Ione.  Elev. 3600 ft.
T36N R42E S5 NW1/4.  48.6485 N, 117.5301 W.  
Riparian zone in cedar-hemlock forest between clearcuts. Phenology: vegetative only. 

Jean Wood, 6845.  8/1/1996. 		 
_________________________________________________________________________

1211.  Equisetum arvense L. 				Equisetaceae

U.S.A., Oregon, Grant County: Umatilla National Forest and Vicinity: Desolation Meadows, along Forest Road 10 and 1010.  Elev. 5450-5600 ft.
T9S R34E S4; also S5 and S6.  44 49' 8.5" N, 118 38' 24.3" W; GPS Reading.  zone 11, 4963936E, 370742N; GPS Reading.  
Open meadow surrounded by lodgepole pine and spruce stands; soil fine, deep, ashy, pale to organic; slope 0; aspect none. Phenology: vegetative only. 

Heather Bradtke, 2043.  7/11/2001. 		RM 
_________________________________________________________________________

1212.  Equisetum arvense L. 				Equisetaceae

U.S.A., Washington, Ferry County: Western Colville National Forest and Vicinity: headwaters of Barnaby Creek, ca 6 air mi SE of Sherman Pass along Forest Road 2014.  Elev. 4200 ft.
T35N R35E S15 SW1/4; also NW1/4 S22.  48.5323 N, 118.401 W.  
Old beaver ponds on creek. Phenology: vegetative only. 

Jean Wood, 7017.  8/3/1996. 		 
     with Diane Pavek
_________________________________________________________________________

1213.  Equisetum arvense L. 				Equisetaceae

U.S.A., Washington, Ferry County: Western Colville National Forest and Vicinity: Graves Mountain, ca 16 air mi WNW of Kettle Falls.  Elev. 4000-5900 ft.
T36N R35E S11; also NW1/4 S12.  48.6342 N, 118.3792 W.  
Mixed forest, rock outcrops, and east and south slopes of mountaintop. Phenology: vegetative only. 

Jean Wood, 7207.  8/5/1996. 		 
_________________________________________________________________________

1214.  Equisetum arvense L. 				Equisetaceae

U.S.A., Washington, Ferry County: Western Colville National Forest and Vicinity: Curlew Lake, ca 4 air mi NNE of Republic.  Elev. 2400 ft.
T37N R33E S17 NW1/4; also T38N R33E NW1/4 S28, E1/2 S29; also NE1/4 S32.  48.7072 N, 118.6684 W.  
Lake and shoreline. Phenology: vegetative only. 

Jean Wood, 7409.  8/10/1996. 		 
     with Madilane Perry
_________________________________________________________________________

1215.  Equisetum arvense L. 				Equisetaceae

U.S.A., Washington, Ferry County: Western Colville National Forest and Vicinity: Scalawag Wetland, ca 2.5 air mi SE of Sherman Pass on tributary of South Fork Sherman Creek.  Elev. 4300 ft.
T36N R35E S32 NE1/4.  48.576 N, 118.4445 W.  
Series of old beaver dams along small creek. Phenology: vegetative only. 

Jean Wood, 7454.  8/11/1996. 		 
_________________________________________________________________________

1216.  Equisetum arvense L. 				Equisetaceae

U.S.A., Oregon, Grant County: Umatilla National Forest and Vicinity: Desolation Meadows, along Forest Road 10 and 1010.  Elev. 5450-5600 ft.
T9S R34E S4; also S5 and S6.  44 49' 8.5" N, 118 38' 24.3" W; GPS Reading.  zone 11, 4963936E, 370742N; GPS Reading.  
Open meadow surrounded by lodgepole pine and spruce stands; along stream bank; soil organic; slope 0; aspect none. Phenology: vegetative only. 

Heather Bradtke, 2097.  7/11/2001. 		RM 
_________________________________________________________________________

1217.  Equisetum arvense L. 				Equisetaceae

U.S.A., Washington, Ferry County: Western Colville National Forest and Vicinity: Davis Lake, ca 11 air mi NW of Kettle Falls.  Elev. 4500 ft.
T37N R36E S3 NW1/4.  48.7359 N, 118.2304 W.  
Lake margins. Phenology: vegetative only. 

Jean Wood, 7608.  8/13/1996. 		 
     with K. Ahlenslager, L. Swartz and J. Nisbet
_________________________________________________________________________

1218.  Equisetum arvense L. 				Equisetaceae

U.S.A., Washington, Stevens County: Western Colville National Forest and Vicinity: Lake Thomas - Lake Heritage channel, Little Pend Oreille Lakes, 23 road mi NE of Colville.  Elev. 3100 ft.
T36N R42E S17 NE1/4.  48.6196 N, 117.5301 W.  
Lake margin. Phenology: vegetative only. 

Jean Wood, 7689.  8/17/1996. 		 
_________________________________________________________________________

1219.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Wyoming Range: Willow Creek Drainage: along lower Hunter Creek, ca 2-3 air mi SW to W of Clause Peak, ca 12-14 air mi SE of Hoback Junction, ca 33 air mi NE of Afton.  Elev. 7000-7600 ft.
T37N R115W S22; also S26 and S27.  43.1622 N, 110.6264 W; uncertainty 3 mi..  
Edge of water. 

B. E. Nelson, 19657.  7/14/1990. 		RM 1018394	Barcode: RM0302689
_________________________________________________________________________

1220.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: Wyoming/Salt River Ranges: Wyoming Range: along Red Creek, S of the Hoback River, ca 8.5 air mi ESE of Hoback Junction, ca 17 air mi SE of Jackson.  Elev. 6300 ft.
T38N R114W S6.  43.285 N, 110.5636 W; uncertainty 1 mi..  
Moist flats with scattered blue spruce along small stream. 

B. E. Nelson, 19989.  8/21/1990. 		RM 1018393	Barcode: RM0302688
_________________________________________________________________________

1221.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Wyoming/Salt River Ranges: Wyoming Range: north end of Grayback Ridge from Palmer Creek to Pow Wow Point, ca 2-2.5 air mi S of Hoback Junction, ca 13.5 air mi S of Jackson.  Elev. 7600-8200 ft.
T38N R116W S1; also S2.  43.2852 N, 110.7025 W; uncertainty 2 mi..  
Moist depressions on slope. 

B. E. Nelson, 20349.  8/27/1990. 		RM 1018392	Barcode: RM0302687
_________________________________________________________________________

1222.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: Wyoming/Salt River Ranges: Wyoming Range: along Cliff Creek E of Burnt Creek, ca 40 air mi NW of Pinedale.  Elev. 6800-7800 ft.
T37N R114W S10; also S15.  43.1858 N, 110.5092 W; uncertainty 2 mi..  
Among willows along small stream. Phenology: vegetative only. 

B. E. Nelson, 22654.  7/8/1992. 		RM 658035	Barcode: RM0125397
     with Russ Nelson
_________________________________________________________________________

1223.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Salt River Range: along Smiths Fork W of Commissary Ridge, ca 9.5 air mi ESE of Smoot, ca 14.5 air mi SE of Afton.  Elev. 8900 ft.
T30N R117W S23.  42.5714 N, 110.7311 W; uncertainty 1 mi..  
Around springs under Engelmann spruce-subalpine fir. Phenology: vegetative only. 

B. E. Nelson, 22965.  7/10/1992. 		RM 658034	Barcode: RM0125338
     with Russ Nelson and Orval C. Harrison
_________________________________________________________________________

1224.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Salt River Range: along Strawberry Creek in Strawberry Canyon, ca 4.5-5 air mi W of Bedford, ca 13.5 air mi NNE of Afton.  Elev. 7000 ft.
T34N R117W S30.  42.9006 N, 110.8439 W; uncertainty 1 mi..  
Wet meadow at edge of creek. Phenology: vegetative only. 

B. E. Nelson, 23059.  7/13/1992. 		RM 658033	Barcode: RM0125337
     with Russ Nelson
_________________________________________________________________________

1225.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: Wyoming/Salt River Ranges: Wyoming Range: upper Hoback Canyon ca 4 air mi SSE of Hoback Peak, ca 13 air mi SW of Bondurant, ca 37 air mi WNW of Pinedale.  Elev. 7800 ft.
T35N R115W S2.  43.0333 N, 110.5358 W; uncertainty 1 mi..  
Stream bottom with small grassy areas and scattered lodgepole pine among willow thickets. Phenology: vegetative only. 

B. E. Nelson, 23254.  7/15/1992. 		RM 658032	Barcode: RM0125336
     with Russ Nelson
_________________________________________________________________________

1226.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: Wyoming/Salt River Ranges: Wyoming Range: at the confluence of North Horse and South Fork North Horse creeks, ca 34 air mi W of Pinedale.  Elev. 8200 ft.
T34N R115W S12.  42.9311 N, 110.5194 W; uncertainty 1 mi..  
Stony sandy mud bars in stream. Phenology: vegetative only. 

B. E. Nelson, 23820.  8/7/1992. 		RM 658031	Barcode: RM0125987
     with Russ Nelson
_________________________________________________________________________

1227.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Salt River Range: at the head of Fire Trail Creek drainage, ca 7.5 air mi SE of Alpine; ca 26 air mi N of Afton.  Elev. 8100-8500 ft.
T36N R118W S14.  43.1047 N, 110.8842 W; uncertainty 1 mi..  
Seep in clearcut. Phenology: vegetative only. 

B. E. Nelson, 23954.  8/10/1992. 		RM 658030	Barcode: RM0125986
     with Russ Nelson
_________________________________________________________________________

1228.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Wyoming Range: along Hot Foot Creek between Greys River and Middle Ridge, ca 11 air mi SE of Alpine; ca 25.5 air mi NNE of Afton.  Elev. 6800-6900 ft.
T36N R117W S20.  43.0933 N, 110.825 W; uncertainty 1 mi..  
Small stream bottom with scattered blue spruce. Phenology: vegetative only. 

B. E. Nelson, 24083.  8/12/1992. 		RM 658029	Barcode: RM0125985
     with Russ Nelson
_________________________________________________________________________

1229.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: Wyoming/Salt River Ranges: Wyoming Range: along South Beaver Creek, ca 31 air mi WNW of Pinedale.  Elev. 8300-8400 ft.
T35N R114W S15.  43.0039 N, 110.4383 W; uncertainty 1 mi..  
Moist open area at base of slope. Phenology: vegetative only. 

B. E. Nelson, 24345.  8/14/1992. 		RM 658028	Barcode: RM0125984
     with Russ Nelson
_________________________________________________________________________

1230.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Wyoming Range: on the divide between North Horse Creek and Blind Bull Creek drainages above the old Blind Bull Mine, ca 22.5-23 air mi NE of Afton.  Elev. 8850 ft.
T35N R115W S31.  42.96 N, 110.6122 W; uncertainty 1 mi..  
At edge of willow thicket. Phenology: vegetative only. 

B. E. Nelson, 24579.  8/19/1992. 		RM 658027	Barcode: RM0125983
     with Russ Nelson
_________________________________________________________________________

1231.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Wyoming Range: Deadman Mine, ca 22.5 air mi NE of Afton.  Elev. 7880-9202 ft.
T35N R116W S25; also S35 and S36.  42.9833 N, 110.6311 W.  
Spruce, fir, aspen slopes, windswept ridges. Phenology: vegetative only. 

Bruce Embury, 723.  6/6/1992. 		RM 658036	Barcode: RM0125396
_________________________________________________________________________

1232.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Wyoming Range: Willow Creek Drainage: Adams Creek, 1-3 air mi E of Rimrock Ranch; 9 air mi SE of Hoback Junction.  Elev. 6900-7200 ft.
T38N R115W S26; also S27.  43.2286 N, 110.6031 W.  
Stream sides and adjacent coniferous slopes. 

Ronald L. Hartman, 26860.  7/10/1990. 		RM 1018391	Barcode: RM0302686
_________________________________________________________________________

1233.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Wyoming/Salt River Ranges: Wyoming Range: old road from bridge on U.S. Hwy 189/191 W to Buck Creek.  Elev. 6200 ft.
T38N R115W S1.  43.285 N, 110.5833 W.  
Douglas fir forest along road. 

Ronald L. Hartman, 27641.  8/18/1990. 		RM 1018390	Barcode: RM0302685
_________________________________________________________________________

1234.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Wyoming Range: Trail 1-2 mi E of Pickle Pass en route to Hunter Creek.  Elev. 9200-9600 ft.
T36N R115W S18.  43.0914 N, 110.6172 W.  
Open grassy slopes with scattered whitebark pine, subalpine fir, and Engelmann spruce. 

Ronald L. Hartman, 27880.  8/21/1990. 		RM 1018389	Barcode: RM0302684
_________________________________________________________________________

1235.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Salt River Range: "Star Hill" 1 air mi ENE of Afton center; north side of Swift Creek.  Elev. 6400-8000 ft.
T32N R118W S29.  42.73 N, 110.9056 W.  
Mostly herb community with scattered juniper, some patches of Acer grandidentatum and Douglas fir and area along road; roadside. Phenology: spores. 

Ronald L. Hartman, 31978.  5/9/1992. 		RM 658026	Barcode: RM0125982
     with Bruce Embury
_________________________________________________________________________

1236.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Salt River Range: Along Greys River, 1.5 air mi SE of Alpine Junction.  Elev. 5720 ft.
T37N R118W S33.  43.1489 N, 110.9983 W.  
Open stream bench with sagebrush, Balsamorhiza, Symphoricarpos and Amelanchier with Douglas fir, spruce, Betula, aspen, and Prunus along edges. Phenology: vegetative only. 

Ronald L. Hartman, 32065.  5/9/1992. 		RM 658025	Barcode: RM0125981
     with Bruce Embury
_________________________________________________________________________

1237.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Salt River Range: Phillips Creek, ca 5 air mi N of Afton.  Elev. 6280-7380 ft.
T33N R118W S27; also S33 and S34.  42.8133 N, 110.9028 W.  
Lodgepole pine and Douglas fir on north exposures, grass and herb communities and sagebrush on south exposures with Rocky Mountain juniper and some maple on ridges and slopes, also streamside; along or adjacent to stream. Phenology: vegetative only. 

Ronald L. Hartman, 32514.  6/19/1992. 		RM 658024	Barcode: RM0125980
     with Bruce Embury
_________________________________________________________________________

1238.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Salt River Range: Prater Canyon, ca 19 air mi N of Afton.  Elev. 6560-8200 ft.
T35N R118W S20; also S21, S29; also S30.  43.0036 N, 110.9406 W.  
Canyon bottom and lower slopes with narrowleaf cottonwood, Douglas fir, willow below, and Douglas fir, subalpine fir, and Salix scouleriana on higher slopes; substrate of limestone. Phenology: vegetative only. 

Ronald L. Hartman, 32711.  6/19/1992. 		RM 658023	Barcode: RM0125378
     with Bruce Embury
_________________________________________________________________________

1239.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Star Valley: southwest end of Palisades Reservoir; 2.5 air mi SSW of Alpine Junction.  Elev. 5600 ft.
T36N R119W S4; also T36N R118W S31.  43.1347 N, 111.0428 W.  
Open area left by receding water of reservoir. Phenology: vegetative only. 

Ronald L. Hartman, 32935.  6/22/1992. 		RM 658022	Barcode: RM0125399
     with Bruce Embury
_________________________________________________________________________

1240.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: Wyoming/Salt River Ranges: Wyoming Range: Coal Creek and South Piney Creek; ca 21 air mi W of Big Piney.  Elev. 7960-8480 ft.
T29N R115W S10.  42.5142 N, 110.5383 W.  
Shaley open slopes bordering on Douglas fir, lodgepole pine, and aspen woodland and streamside and adjacent moist slopes; streamside. Phenology: vegetative only. 

Ronald L. Hartman, 33012.  6/23/1992. 		RM 658021	Barcode: RM0125398
     with Bruce Embury
_________________________________________________________________________

1241.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: Green River Basin: South Cottonwood Creek, ca 19 air mi NW of Big Piney.  Elev. 7680-7820 ft.
T32N R113W S9.  42.7736 N, 110.3094 W.  
Streamside, sagebrush grasslands, and adjacent eroded slopes. Phenology: vegetative only. 

Ronald L. Hartman, 33265a.  6/23/1992. 		RM 658020	Barcode: RM0125407
     with Bruce Embury
_________________________________________________________________________

1242.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: Wyoming/Salt River Ranges: Wyoming Range: Merna Butte; 9-10 air mi WNW of Daniel Junction.  Elev. 7760-8271 ft.
T34N R113W S5; also S6 and S8.  42.9458 N, 110.3608 W.  
Douglas fir, subalpine fir, and aspen forest, stream margins with willow thickets, and sagebrush-grassland slopes and eroded ridges; eroded slopes and adjacent coniferous forest. Phenology: vegetative only. 

Ronald L. Hartman, 33407.  6/25/1992. 		RM 658019	Barcode: RM0125544
     with Bruce Embury
_________________________________________________________________________

1243.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Commissary Ridge: 0.5 air mi SE of Kemmerer Reservoir along powerlines E of paved road; ca 12 air mi NW of Kemmerer.  Elev. 7150-7400 ft.
T23N R117W S36.  41.9294 N, 110.6364 W.  
Rolling sagebrush-grasslands, southwest exposure with some aspen on northeast side of gravelly ridge, also along roadside. Phenology: vegetative only. 

Ronald L. Hartman, 33582.  6/27/1992. 		RM 658018	Barcode: RM0125545
_________________________________________________________________________

1244.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: Wyoming/Salt River Ranges: Wyoming Range: Upper Jamb Creek basin; 1-1.5 air mi ESE of Hoback Peak.  Elev. 7800-8800 ft.
T36N R115W S25.  43.0617 N, 110.5208 W.  
Stream drainage with grassy or barren slopes. Phenology: vegetative only. 

Ronald L. Hartman, 34343.  7/20/1992. 		RM 658017	Barcode: RM0125546
_________________________________________________________________________

1245.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Wyoming Range: Deadman Mountain trail, 1-2 miles from trailhead; 0.5-1 air mi N of Deadman Mountain summit.  Elev. 9200-9600 ft.
T35N R116W S15.  43.0133 N, 110.6686 W.  
Scattered forests with meadows. Phenology: vegetative only. 

Ronald L. Hartman, 34451.  7/22/1992. 		RM 658016	Barcode: RM0125547
_________________________________________________________________________

1246.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Salt River Range: from summit of Elk Mountain S and SW down mountain side to Squirrel Creek and valley floor; ca 9 air mi E of Alpine.  Elev. 6800-8300 ft.
T37N R117W S24; also S25.  43.1625 N, 110.8236 W.  
Open slopes. Phenology: vegetative only. 

Ronald L. Hartman, 34940.  7/26/1992. 		RM 658015	Barcode: RM0125395
_________________________________________________________________________

1247.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: Wyoming/Salt River Ranges: Wyoming Range: Lookout Mountain at west end of Beaver Ridge on North Fork Dry Beaver Creek; ca 25 air mi WNW of Daniel Junction.  Elev. 9800-10345 ft.
T35N R115W S26.  42.9747 N, 110.5358 W.  
Grassy areas and ridge. Phenology: vegetative only. 

Ronald L. Hartman, 35298.  7/30/1992. 		RM 658014	Barcode: RM0125394
_________________________________________________________________________

1248.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: Wyoming/Salt River Ranges: Wyoming Range: South Cottonwood Creek at confluence of South Fork South Cottonwood Creek and at south end of Triple Peak; ca 28 air mi SW of Daniel Junction.  Elev. 8400-8500 ft.
T32N R115W S18.  42.7497 N, 110.5803 W.  
Stream bottom with willows and meadows and adjacent coniferous forests; stream bottom. Phenology: vegetative only. 

Ronald L. Hartman, 35441.  8/13/1992. 		RM 658013	Barcode: RM0125393
_________________________________________________________________________

1249.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: Wyoming/Salt River Ranges: Wyoming Range: Hardin Creek at North Cottonwood Creek Road; ca 23 air mi SW of Daniel Junction.  Elev. 8000-8100 ft.
T33N R115W S24.  42.8156 N, 110.5178 W.  
Stream banks and willow thickets. Phenology: vegetative only. 

Ronald L. Hartman, 35764.  8/14/1992. 		RM 658012	Barcode: RM0125392
_________________________________________________________________________

1250.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Wyoming Range: North Fork Sheep Creek from Sheep Creek to 1.5 mi upstream; ca 3 air mi W to WNW of McDougal Gap.  Elev. 7280-7500 ft.
T33N R116W S12.  42.8564 N, 110.6328 W.  
Sagebrush grassland, stream with willow thickets, and gravelly slopes (limestone); stream. Phenology: vegetative only. 

Ronald L. Hartman, 36065.  8/18/1992. 		RM 658011	Barcode: RM0125391
_________________________________________________________________________

1251.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: Wyoming/Salt River Ranges: Wyoming Range: Apperson Creek to 1.5 mi upstream from road; ca 8 air mi E of Corral Creek Guard Station.  Elev. 8000-8400 ft.
T31N R115W S10; also S11.  42.6878 N, 110.5219 W.  
Stream bottoms with willow thickets, coniferous forests and open slope, and roadside; stream bottoms. Phenology: vegetative only. 

Ronald L. Hartman, 36187.  8/18/1992. 		RM 658951	Barcode: RM0125339
_________________________________________________________________________

1252.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Star Valley: Wyoming Game and Fish Access Area on Salt River, ca 0.7 mi N of Etna then W ca 1.5 mi.  Elev. 5700 ft.
T35N R119W S4 SE1/4.  43.0469 N, 111.0406 W.  
Streamside and adjacent uplands. Phenology: vegetative only. 

Ronald L. Hartman, 36471.  8/21/1992. 		RM 658010	Barcode: RM0125390
_________________________________________________________________________

1253.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Star Valley: Wyoming Game and Fish Access Area on Salt River, ca 6 air mi N of Auburn.  Elev. 6000 ft.
T34N R119W S35 SE1/4.  42.8883 N, 111.0019 W.  
Riverside and marshy meadows. Phenology: vegetative only. 

Ronald L. Hartman, 36544.  8/21/1992. 		RM 658009	Barcode: RM0125409
_________________________________________________________________________

1254.  Equisetum arvense L. 				Equisetaceae

U.S.A., Oregon, Union County: Umatilla National Forest and Vicinity: Jubilee Lake.  Elev. 4700 ft.
T4N R39E S8 South1/2; also N1/2 S17.  45 49' 59" N, 117 57' 46" W; GPS Reading.  
Within 2 feet of the lakeshore with Juncus, Sanguisorbia, Salix and Alnus. Phenology: vegetative only. 

Heather Bradtke, 2936.  7/22/2001. 		RM 
_________________________________________________________________________

1255.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Salt River Range: from end of Murphy Creek Road to base of drainage W of peak 9988 (feet); just W of Star Peaks.  Elev. 7600-7800 ft.
T35N R118W S14 NW1/4; South1/2 S11 and .  43.0181 N, 110.8817 W.  
Streambed, roadside, and coniferous forest. Phenology: vegetative only. 

Ronald L. Hartman, 36655.  8/22/1992. 		RM 658008	Barcode: RM0125410
_________________________________________________________________________

1256.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Wyoming/Salt River Ranges: Wyoming Range: Palmer Creek, ca 13 air mi S of Jackson.  Elev. 6200-7600 ft.
T39N R116W S35; S36.  43.3011 N, 110.7247 W.  
Moist, shady creek banks; dry sagebrush-rabbitbrush clearing; Douglas fir/aspen semi-open woods; moist meadow adjacent to the creek and trail: moist, shady creek banks. 

Walter Fertig, 6510.  8/21/1990. 		RM 1018395	Barcode: RM0302690
     with B. E. Nelson
_________________________________________________________________________

1257.  Equisetum arvense L. 				Equisetaceae

U.S.A., Oregon, Umatilla County: Umatilla National Forest and Vicinity: Mill Creek watershed boundary on Mill Creek, ca 13 air mi ESE of Walla Walla.  Elev. 2600 ft.
T6N R38E S22 N1/4.  45 59' 24" N, 118 2' 59" W; GPS Reading.  
Riverbank. Phenology: vegetative only. 

Heather Bradtke, 3087.  7/26/2001. 		RM 
_________________________________________________________________________

1258.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Tunp Range: Preacher Hollow; 16 air mi NNE of Cokeville.  Elev. 6900-7200 ft.
T27N R118W S21 N1/2.  42.3142 N, 110.8472 W.  
Sandy slopes with sagebrush and drainage. Phenology: spores. 

Ronald L. Hartman, 37445.  5/22/1993. 		RM 657123	Barcode: RM0125991
_________________________________________________________________________

1259.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: Wyoming/Salt River Ranges: Salt River Range: Big Fall Creek, ca 24 air mi SW of Big Piney.  Elev. 7700-8300 ft.
T28N R115W S31; also SE1/4 S30 and W1/2 S29.  42.3717 N, 110.5333 W.  
Stream bottom with a series of limestone benches, waterfalls, and calcareous precipitate. Phenology: vegetative only. 

Ronald L. Hartman, 42129.  7/25/1993. 		RM 657124	Barcode: RM0125990
_________________________________________________________________________

1260.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Salt River Range: overlooking the Hams Fork just N of Bridger-Teton National Forest's southern boundary, ca 12 air mi NE of Cokeville.  Elev. 7400-7700 ft.
T25N R117W S10 N1/2.  42.1669 N, 110.7256 W.  
Streamside, open slopes and adjacent aspen and coniferous forests. Phenology: vegetative only. 

Ronald L. Hartman, 42470.  7/28/1993. 		RM 657125	Barcode: RM0125989
_________________________________________________________________________

1261.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Tunp Range: Hobble Creek from Sams Creek to Coantag Creek, ca 20 air mi NNE of Cokeville.  Elev. 7100-7200 ft.
T27N R118W S1 N1/2; also T27N R117 1/2 W S1 NW1/4.  42.3569 N, 110.785 W.  
Stream bottom and lower slopes. Phenology: vegetative only. 

Ronald L. Hartman, 43379.  8/3/1993. 		RM 657126	Barcode: RM0125340
_________________________________________________________________________

1262.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Salt River Range: Indian Ridge, east flank: Bear Trap Creek.  Elev. 7800-7950 ft.
T27N R116W S34 NE1/4.  42.2847 N, 110.5892 W.  
Stream side and lower slopes. Phenology: vegetative only. 

Ronald L. Hartman, 44507.  8/19/1993. 		RM 657127	Barcode: RM0125988
_________________________________________________________________________

1263.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Salt River Range: Spring Lake Creek trail from divide to western end of Lake Alice.  Elev. 7800-8000 ft.
T28N R117W S19 NE1/4; also NW1/4 S20.  42.3992 N, 110.7667 W.  
Rock slides, coniferous forests and shoreline. Phenology: vegetative only. 

Ronald L. Hartman, 44825.  8/22/1993. 		RM 657128	Barcode: RM0125993
_________________________________________________________________________

1264.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Salt River Range: Hobble Creek, 1.6-2.6 road miles N of Spring Lake Creek and trail to Lake Alice.  Elev. 7400-7500 ft.
T28N R117W S19; T28N R1171/2 W S12 E1/2.  42.3992 N, 110.7667 W.  
Roadside with limestone and shale slopes and stream sides. Phenology: vegetative only. 

Ronald L. Hartman, 44870.  8/22/1993. 		RM 657129	Barcode: RM0125341
_________________________________________________________________________

1265.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Hot Springs County: Southeastern Absarokas: along Rock Creek, ca 2.5 mi E of Washakie Needles, ca 49 air mi WNW of Thermopolis.  Elev. 9400-9900 ft.
T44N R103W S25.  43.75 N, 109.1619 W; uncertainty 1 mi..  
Wet meadow. Phenology: vegetative only. 

B. E. Nelson, 10404.  7/24/1983. 		RM 554886	Barcode: RM0031902
     with Robert S. Kirkpatrick
_________________________________________________________________________

1266.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Southeastern Absarokas: along East Fork of the South Fork Wood River between the mouth of Slaughter Creek and Guard Station Park, ca 27.3 air mi SW of Meeteetse.  Elev. 8700 ft.
T45N R103W S36.  43.82278 N, 109.1639 W; uncertainty 1 mi..  
Spruce forest in stream bottom. Phenology: vegetative only. 

B. E. Nelson, 10474.  7/26/1983. 		RM 554885	Barcode: RM0031901
     with Robert S. and Ruth E. B. Kirkpatrick
_________________________________________________________________________

1267.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: along Gooseberry Creek, ca 1 mi W of Wyo Hwy 120; ca 3.5 air mi E of Dickie (LU Ranch); ca 34.5 air mi NW of Thermopolis.  Elev. 5500 ft.
T47N R99W S36.  43.9992 N, 108.6794 W; uncertainty 1 mi..  
Grassy creek bottom. 

B. E. Nelson, 10570.  7/31/1983. 		RM 932186	Barcode: RM0095466
_________________________________________________________________________

1268.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Bighorn Basin: along Gooseberry Creek, ca 10.5 air mi SSE of Meeteetse.  Elev. 6000 ft.
T47N R100W S25.  44.01306 N, 108.80056 W; uncertainty 1 mi..  
Creek bottom. 

B. E. Nelson, 10639.  7/31/1983. 		RM 932185	Barcode: RM0095465
_________________________________________________________________________

1269.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: along Grass Creek, ca 4.5 air mi WSW of Grass Creek (town); ca 33 air mi NW of Thermopolis.  Elev. 6000 ft.
T46N R99W S28.  43.92528 N, 108.7394 W; uncertainty 1 mi..  
Streambank and sand bars. 

B. E. Nelson, 10686.  8/2/1983. 		RM 932184	Barcode: RM0095464
_________________________________________________________________________

1270.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Southeastern Absarokas: above Parque Creek ca 3.5 air mi E of Ramshorn Peak; ca 13 air mi N of Dubois.  Elev. 8950 ft.
T43N R107W S2.  43.72 N, 109.6664 W; uncertainty 1 mi..  
Wet meadow along small creek. Phenology: spores. 

B. E. Nelson, 10991.  7/1/1984. 		RM 554887	Barcode: RM0031903
_________________________________________________________________________

1271.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Hot Springs County: Southeastern Absarokas: Castle Rocks and vicinity in North Fork Owl Creek drainage, ca 43 air mi WNW of Thermopolis.  Elev. 8800 ft.
T44N R102W S25.  43.7519 N, 109.0436 W; uncertainty 1 mi..  
Seeps. Phenology: vegetative only. 

B. E. Nelson, 11136.  7/4/1984. 		RM 554888	Barcode: RM0031904
_________________________________________________________________________

1272.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: along Cottonwood Creek, ca 7 air mi E of Squaw Teat Butte; ca 33 air mi WNW of Thermopolis.  Elev. 6700 ft.
T44N R100W S22.  43.7669 N, 108.8427 W; uncertainty 1 mi..  
Sand-rock bars. 

B. E. Nelson, 11380.  7/5/1984. 		RM 932183	Barcode: RM0095287
_________________________________________________________________________

1273.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Northern Absarokas: across from Canyon Creek on rim of Clarks Fork Canyon off Wyo Hwy 296, ca 32.5 air mi NW of Cody.  Elev. 6800 ft.
T56N R105W S4.  
Shore and wet flats of small pond. Phenology: vegetative only. 

B. E. Nelson, 12298.  7/12/1985. 		RM 535201	Barcode: RM0031900
_________________________________________________________________________

1274.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Northern Absarokas: along Pilot Creek, ca 2 air mi S of Pilot Peak, ca 50 air mi NW of Cody.  Elev. 7800-8000 ft.
T57N R108W S1; also S2.  44.9514 N, 109.8602 W.  
Moist banks and seeps. Phenology: vegetative only. 

B. E. Nelson, 12841.  7/27/1985. 		RM 535202	Barcode: RM0031899
_________________________________________________________________________

1275.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Northern Absarokas: Elk Creek near mouth on Sunlight Creek, ca 2.5 air mi W of Dead Indian Hill, ca 24.7 air mi NW of Cody.  Elev. 6600 ft.
T55N R104W S7.  44.7594 N, 109.4322 W; uncertainty 1 mi..  
Travertine terraces. Phenology: vegetative only. 

B. E. Nelson, 13062.  8/19/1985. 		RM 535203	Barcode: RM0031898
_________________________________________________________________________

1276.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Southwestern Absarokas: on the Snake River side of the Snake river-Mink Creek Divide, ca 1.8 air mi S of Yellowstone National Park, ca 50 air mi NNE of Jackson.  Elev. 8800 ft.
T48N R112W S23.  44.1128 N, 110.2658 W.  
Moist area near small stream. Phenology: vegetative only. 

B. E. Nelson, 14620.  8/7/1987. 		RM 671835	Barcode: RM0125543
     with Neil Snow
_________________________________________________________________________

1277.  Equisetum arvense L. 				Equisetaceae

U.S.A., Oregon, Union County: Umatilla National Forest and Vicinity: near Big Sink & Mottet Creek, ca 15 mi N of Elqin.  Elev. 3400-3600 ft.
T4N R39E S34 SE1/4; also T3N R39E NE1/4 S3.  45 46' 23" N, 117 54' 43" W; GPS Reading.  
Along stream; soil organic; slope 5; aspect southeast. Phenology: vegetative only. 

Heather Bradtke, 4015.  8/5/2001. 		RM 
_________________________________________________________________________

1278.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Platte County: Laramie Mountains: Cottonwood Creek above the falls, ca 23 air mi NW of Wheatland; ca 11 air mi ENE of Laramie Peak.  Elev. 5500 ft.
T27N R70W S16; also S15.  42.3128 N, 105.2539 W; uncertainty 2 mi..  
Stream bank and bench. Phenology: vegetative only. 

B. E. Nelson, 17140.  7/18/1989. 		RM 600074	Barcode: RM0125487
     with Jan Pollet
_________________________________________________________________________

1279.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along North Laramie River, ca 15.5 air mi SE of Laramie Peak; ca 13.5 air mi NW of Wheatland.  Elev. 4800 ft.
T25N R69W S6.  42.1686 N, 105.1692 W; uncertainty 1 mi..  
River bank. Phenology: vegetative only. 

B. E. Nelson, 17312.  7/19/1989. 		RM 600073	Barcode: RM0125488
     with Jan Pollet
_________________________________________________________________________

1280.  Equisetum arvense L. 				Equisetaceae

U.S.A., Oregon, Wallowa County: Umatilla National Forest and Vicinity: Elk Flats Trail, ca 30 air mi E of Milton-Freewater.  Elev. 2900-4800 ft.
T5N R40E S14 NE1/4; also S11, NE1/4 S10; also S3.  45 55' 6.6" N, 117 46' 24.3" W to 45 56' 52.1" N, 117 47' 41.4" W; GPS Reading.  
Flat land near a river; soil fine, deep; slope 0-20; aspect southeast. Phenology: vegetative only. 

Heather Bradtke, 4186.  8/5/2001. 		RM 
_________________________________________________________________________

1281.  Equisetum arvense L. 				Equisetaceae

U.S.A., Oregon, Union County: Umatilla National Forest and Vicinity: near Phillips Creek, ca 6 mi WNW of Elqin.  Elev. 3200-3300 ft.
T1N R38E S2 SW1/8; also SE1/4 S3.  45 35' 21" N, 118 1' 55" W; GPS Reading.  
In full and partial sun in rocks and pebbles along creek; soil rocky; slope 0-20; aspect ravine. Phenology: vegetative only. 

Heather Bradtke, 4214.  8/7/2001. 		RM 
_________________________________________________________________________

1282.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Hot Springs County: Owl Creek/Bridger Mountains: Bridger Mountains: Ditch Creek Canyon, S and above Buffalo Creek, ca 14 air mi ESE of Thermopolis.  Elev. 5900-6200 ft.
T42N R93W S25; also S36.  43.581 N, 107.9669 W; uncertainty 2 mi..  
In mud at edge of stream. 

B. E. Nelson, 21895.  7/31/1991. 		RM 
_________________________________________________________________________

1283.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sheridan County: Big Horn Mountains: in Wolf Creek Canyon above Wolf Post Office (Eaton Ranch), ca 8 air mi S of Dayton, ca 15.5 air mi W of Sheridan.  Elev. 5000 ft.
T55N R86W S6 SE1/4.  44.77028 N, 107.26667 W; uncertainty 1 mi..  
By the creek. Phenology: vegetative only. 

B. E. Nelson, 3182.  7/8/1979. 		RM 349103	Barcode: RM0125505
_________________________________________________________________________

1284.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Big Horn County: Big Horn Mountains: along Trapper Creek, ca 30 air mi E of Greybull, ca 17 air mi NNE of Hyattville.  Elev. 8600 ft.
T52N R88W S21 NE1/4.  44.4683 N, 107.44333 W; uncertainty 1 mi..  
By the creek. Phenology: vegetative only. 

B. E. Nelson, 3363.  7/9/1979. 		RM 349109	Barcode: RM0125942
_________________________________________________________________________

1285.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Washakie County: Big Horn Mountains: along Red Fork Powder River, ca 27 air mi SE of Ten Sleep, ca 10 air mi ESE of Big Trails.  Elev. 7300 ft.
T43N R86W S11 NE1/4.  43.7092 N, 107.1427 W; uncertainty 1 mi..  
Along the river bank. Phenology: vegetative only. 

B. E. Nelson, 3550.  7/11/1979. 		RM 349107	Barcode: RM0125960
_________________________________________________________________________

1286.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Johnson County: Big Horn Mountains: E of Hazelton Peak along Middle Fork Crazy Woman Creek, ca 23 air mi SW of Buffalo, ca 21 air mi NNW of Mayoworth.  Elev. 8200 ft.
T48N R84W S30 NE1/4.  44.1017 N, 107.0019 W; uncertainty 1 mi..  
Streamside. Phenology: vegetative only. 

B. E. Nelson, 3574.  7/11/1979. 		RM 349108	Barcode: RM0125961
_________________________________________________________________________

1287.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Big Horn County: Big Horn Mountains: off Devil Canyon Road above Little Tepee Creek, ca 24 air mi E of Lovell, ca 20.5 air mi WNW of Burgess Junction.  Elev. 8300 ft.
T57N R92W S35 NE1/4.  44.8728 N, 107.9128 W; uncertainty 1 mi..  
Moist to wet meadow. Phenology: vegetative only. 

B. E. Nelson, 3640.  7/13/1979. 		RM 349110	Barcode: RM0125941
_________________________________________________________________________

1288.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sheridan County: Big Horn Mountains: ca 8.5 air mi WSW of Dayton, ca 6.5 air mi NE of Burgess Junction; along Sheep Creek, SSE of Freeze Out Point.  Elev. 7400 ft.
T56N R88W S11 NW1/4.  44.8433 N, 107.43083 W; uncertainty 1 mi..  
Along the creek and in springy areas. Phenology: vegetative only. 

B. E. Nelson, 3766.  7/15/1979. 		RM 349104	Barcode: RM0125957
     with Keith Dueholm
_________________________________________________________________________

1289.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sheridan County: Powder River Basin: ca 6.5 air mi W of Parkman, ca 12 air mi NW of Dayton along East Pass Creek.  Elev. 4800 ft.
T58N R88W S34 NE1/4.  44.9594 N, 107.47056 W; uncertainty 1 mi..  
Roadside and riparian. Phenology: vegetative only. 

B. E. Nelson, 3895.  7/16/1979. 		RM 332239	Barcode: RM0125978
_________________________________________________________________________

1290.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Natrona County: Big Horn Mountains: ca 16 air mi NW of Arminto, ca 54 air mi W of Midwest, on Okie Trail.  Elev. 7700 ft.
T40N R88W S25 SW1/4.  43.4061 N, 107.3489 W; uncertainty 1 mi..  
Along a small stream. Phenology: vegetative only. 

B. E. Nelson, 4266.  8/1/1979. 		RM 349114	Barcode: RM0125963
_________________________________________________________________________

1291.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sheridan County: Big Horn Mountains: ca 5 air mi SE of Burgess Junction, ca 24 air mi WNW of Big Horn on Woodrock Road.  Elev. 8400 ft.
T55N R88W S28 E1/2.  44.7133 N, 107.4678 W; uncertainty 1 mi..  
Marshy woods and along a small stream. Phenology: vegetative only. 

B. E. Nelson, 4302.  8/3/1979. 		RM 349111	Barcode: RM0125962
_________________________________________________________________________

1292.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sheridan County: Big Horn Mountains: ca 17 air mi SE of Burgess Junction, ca 14 air mi WSW of Big Horn on Woodrock Road along Ranger Creek.  Elev. 8100 ft.
T54N R86W S31 SE1/4.  44.61056 N, 107.26667 W; uncertainty 1 mi..  
Boggy area along small stream. Phenology: vegetative only. 

B. E. Nelson, 4449.  8/3/1979. 		RM 349106	Barcode: RM0125959
_________________________________________________________________________

1293.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Big Horn County: Big Horn Mountains: along Trout Creek in Cookstove Basin, ca 24.5 air mi NE of Lovell, ca 25 air mi NW of Burgess Junction.  Elev. 7200 ft.
T58N R92W S27 South 1/2.  44.9794 N, 107.9339 W; uncertainty 1 mi..  
Wet areas along the creek and in spruce-fir forest. Phenology: vegetative only. 

B. E. Nelson, 4509.  8/5/1979. 		RM 349115	Barcode: RM0125939
_________________________________________________________________________

1294.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sheridan County: Big Horn Mountains: above Weston Reservoir, ca 18 air mi SE of Burgess Junction, ca 19.5 air mi W of Story.  Elev. 8900 ft.
T53N R87W S13 E1/2.  44.5647 N, 107.2869 W; uncertainty 1 mi..  
Boggy area along stream. Phenology: vegetative only. 

B. E. Nelson, 4788.  8/7/1979. 		RM 349105	Barcode: RM0125958
_________________________________________________________________________

1295.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Big Horn County: Big Horn Mountains: at Lower Paint Rock Lake, ca 33.5 air mi ESE of Greybull; ca 15 air mi NE of Hyattville.  Elev. 9200 ft.
T51N R87W S18 W1/2.  44.3925 N, 107.3753 W; uncertainty 1 mi..  
Pond margins and lake shore. Phenology: vegetative only. 

B. E. Nelson, 4851.  8/9/1979. 		RM 349112	Barcode: RM0125940
_________________________________________________________________________

1296.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Big Horn County: Big Horn Mountains: Cottonwood Canyon, ca 17 air mi E of Lovell.  Elev. 5400 ft.
T56N R93W S4.  44.8617 N, 108.0553 W; uncertainty 1 mi..  
Mossy area along small brushy stream. Phenology: vegetative only. 

B. E. Nelson, 5375.  6/10/1980. 		RM 349100	Barcode: RM0125946
_________________________________________________________________________

1297.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Johnson County: Big Horn Mountains: along Merle Creek, S of Sheep Mountain, ca 19 air mi SW of Buffalo.  Elev. 9000 ft.
T49N R84W S30.  44.1861 N, 107.0131 W; uncertainty 1 mi..  
Wet stream bottom. Phenology: vegetative only. 

B. E. Nelson, 6121.  7/10/1980. 		RM 349099	Barcode: RM0125949
_________________________________________________________________________

1298.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Big Horn County: Big Horn Mountains: Tillets Hole, ca 1.5 air mi NW of Medicine Wheel Archaelogical Site, ca 22.5 air mi E of Lovell.  Elev. 8700 ft.
T56N R92W S9.  44.8453 N, 107.9336 W; uncertainty 1 mi..  
Around the spring and along the creek. Phenology: vegetative only. 

B. E. Nelson, 6260.  7/13/1980. 		RM 349096	Barcode: RM0125950
_________________________________________________________________________

1299.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Johnson County: Big Horn Mountains: W of Circle Park at the head of Circle Park Creek, ca 15.5 air mi WSW of Buffalo.  Elev. 8100 ft.
T50N R84W S29.  44.2733 N, 106.9922 W; uncertainty 1 mi..  
Aspen-meadow. Phenology: vegetative only. 

B. E. Nelson, 6386.  7/15/1980. 		RM 349097	Barcode: RM0125948
     with Denise Gion
_________________________________________________________________________

1300.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Big Horn County: Big Horn Mountains: Salt Creek just off U.S. Hwy 14, ca 13 air mi ENE of Shell; ca 27.5 air mi ENE of Greybull.  Elev. 7900 ft.
T53N R89W S11.  44.5858 N, 107.54139 W; uncertainty 1 mi..  
Meadows along creek. Phenology: vegetative only. 

B. E. Nelson, 6570.  7/17/1980. 		RM 349098	Barcode: RM0125945
_________________________________________________________________________

1301.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Johnson County: Big Horn Mountains: in the canyon along the North Fork Crazy Woman Creek, ca 13.5 air mi SW of Buffalo.  Elev. 7000 ft.
T49N R83W S29.  44.1864 N, 106.8717 W; uncertainty 1 mi..  
Along the creek. Phenology: vegetative only. 

B. E. Nelson, 6838.  8/6/1980. 		RM 349154	Barcode: RM0125954
_________________________________________________________________________

1302.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Washakie County: Big Horn Mountains: along Leigh Creek on an old section of U.S. 16, ca 4.5 air mi W of Powder River Pass; ca 17.5 air mi NE of Ten Sleep.  Elev. 9150 ft.
T48N R86W S2.  44.1594 N, 107.15889 W; uncertainty 1 mi..  
Along the creek. Phenology: vegetative only. 

B. E. Nelson, 7042.  8/14/1980. 		RM 349153	Barcode: RM0125953
     with Gael Fonken
_________________________________________________________________________

1303.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Washakie County: Big Horn Mountains: near the mouth of Tensleep Canyon, ca 5 air mi NE of Ten Sleep.  Elev. 4800 ft.
T47N R87W S6.  44.07028 N, 107.35861 W; uncertainty 1 mi..  
In and around overflow areas. Phenology: vegetative only. 

B. E. Nelson, 7154.  8/14/1980. 		RM 349152	Barcode: RM0125951
     with Gael Fonken
_________________________________________________________________________

1304.  Equisetum arvense L. 				Equisetaceae

U.S.A., Oregon, Union County: Umatilla National Forest and Vicinity: where Jarboe Creek meets Forest Road 6413.  Elev. 4000-4400 ft.
T4N R40E S7 South1/4; also N1/2 S18.  45 49' 57" N, 117 51' 47" W; GPS Reading.  
Along creek with reed canary grass and Alnus; soil organic, deep; slope 5; aspect south. Phenology: vegetative only. 

Heather Bradtke, 757.  6/20/2001. 		RM 
_________________________________________________________________________

1305.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Washakie County: Big Horn Mountains: along the Middle Fork Powder River, ca 17 air mi SE of Big Trails, ca 28 air mi SE of Tensleep.  Elev. 7300 ft.
T42N R86W S26.  43.5803 N, 107.1425 W; uncertainty 1 mi..  
Along the river. Phenology: vegetative only. 

B. E. Nelson, 8194.  7/15/1981. 		RM 349102	Barcode: RM0125956
_________________________________________________________________________

1306.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Washakie County: Big Horn Mountains: along Nowood River at the foot of Mahogany Butte, ca 27 air mi S of Ten Sleep, ca 9.5 air mi SSW of Big Trails.  Elev. 5000 ft.
T43N R88W S35.  43.6506 N, 107.3811 W; uncertainty 1 mi..  
At the edge of the river. Phenology: vegetative only. 

B. E. Nelson, 8246.  7/17/1981. 		RM 349101	Barcode: RM0125966
_________________________________________________________________________

1307.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Absaroka Mountains: Meeteetse Rim and Meeteetse Creek, ca 2 mi E of Carter Mountain, ca 17.5 air mi S of Cody, ca 12.7 air mi NW of Meeteetse.  Elev. 7500 ft.
T50N R102W S33.  44.2628 N, 109.12583 W; uncertainty 1 mi..  
Flats along creek. Phenology: vegetative only. 

B. E. Nelson, 9666.  6/21/1983. 		RM 554860	Barcode: RM0031905
_________________________________________________________________________

1308.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Bighorn Basin: along Spring Creek, ca 2 air mi W of Meeteetse.  Elev. 5900 ft.
T48N R100W S6.  44.16083 N, 108.90472 W; uncertainty 1 mi..  

B. E. Nelson, 9755.  6/21/1983. 		RM 932188	Barcode: RM0095468
     with Ronald L. Hartman
_________________________________________________________________________

1309.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: along Cottonwood Creek, ca 5 air mi W of Hamilton Dome; ca 24.5 air mi WNW of Thermopolis.  Elev. 6200 ft.
T44N R98W S19.  43.7664 N, 108.6622 W; uncertainty 1 mi..  
Stream bottom. 

B. E. Nelson, 9879.  6/23/1983. 		RM 932187	Barcode: RM0095467
     with Robert S. Kirkpatrick
_________________________________________________________________________

1310.  Equisetum arvense L. 				Equisetaceae

U.S.A., Oregon, Wallowa County: Umatilla National Forest and Vicinity: off Forest Road 64 and old Forest Road 240.  Elev. 4600-4850 ft.
T5N R41E S5 SW1/4; also NW1/4 S8.  45 55' 43" N, 117 43' 12" W; GPS Reading.  
Roadside in mixed conider woods; soil disturbed; slope 0- 10; aspect north. Phenology: vegetative only. 

Heather Bradtke, 946.  6/24/2001. 		RM 
_________________________________________________________________________

1311.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Natrona County: Wind River Basin: Rattlesnake Mountains: Garfield Peak and northeast slope.  Elev. 7000-8244 ft.
T33N R87W S33; also S34.  42.7889 N, 107.2725 W; uncertainty 2 mi..  
Sandstones, shales, and limestone on lower slopes with granite above, streambanks, open slopes, and limber pine woodlands. Phenology: vegetative only. 

Gael Fonken, 1306.  6/26/1981. 		RM 384821	Barcode: RM0125506
     with Ronald L. Hartman
_________________________________________________________________________

1312.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Johnson County: Big Horn Mountains: along North Clear Creek, just W of Hunter Ranger Station, ca 11 air mi WSW of Buffalo.  Elev. 7350 ft.
T50N R84W S10.  44.3169 N, 106.9519 W; uncertainty 1 mi..  
Creekside. Phenology: vegetative only. 

Gael Fonken, 439.  8/12/1980. 		RM 349149	Barcode: RM0125952
     with B. E. Nelson
_________________________________________________________________________

1313.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Johnson County: Big Horn Mountains: Soldier Park along North Clear Creek, 15.5 air mi W of Buffalo.  Elev. 8600 ft.
T51N R84W S31.  44.3456 N, 107.0117 W; uncertainty 1 mi..  
Edge of forest. Phenology: vegetative only. 

Gael Fonken, 618.  8/16/1980. 		RM 349148	Barcode: RM0125955
     with B. E. Nelson
_________________________________________________________________________

1314.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Big Horn County: Big Horn Mountains: Middle Paint Rock Creek, ca 20 air mi NNE of Ten Sleep.  Elev. 8900 ft.
T50N R87W S23.  44.2908 N, 107.29472 W; uncertainty 1 mi..  
Creekside. Phenology: vegetative only. 

Gael Fonken, 727.  8/19/1980. 		RM 349147	Barcode: RM0125938
     with B. E. Nelson
_________________________________________________________________________

1315.  Equisetum arvense L. 				Equisetaceae

U.S.A., Oregon, Union County: Umatilla National Forest and Vicinity: near edge of Wallowa-Whitman National Forest, Forest Road 5427, ca 11 mi S and 9 mi E of Pilot Rock.  Elev. 4800-4900 ft.
T3S R33.5E S2.  45 19' 54" N, 118 38' 33" W; GPS Reading.  
Sunny, wetland area at top of gentle slope, interspersed with slightly elevated areas of Larix and other conifers; soil organic; slope 0-5; aspect none to southerly Phenology: vegetative only. 

Heather Bradtke, 991.  6/29/2001. 		RM 
_________________________________________________________________________

1316.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Seminoe Mountains: School Creek, ca 1.7 air mi NW of Bradley Peak; ca 5.2 air mi E of Ferris townsite.  Elev. 7200-7300 ft.
T26N R86W S35 SE1/4; also S36 SW1/4.  42.1807 N, 107.0849 W.  
Spring-fed aspen draw. Phenology: spores. 

Amy J. Roderick, 4968.  6/15/1998. 		RM 666234	Barcode: RM0125561
     with Frank Blomquist
_________________________________________________________________________

1317.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Seminoe Mountains: School Creek, ca 1.7 air mi NW of Bradley Peak; ca 5.2 air mi E of Ferris townsite.  Elev. 7200-7300 ft.
T26N R86W S35 SE1/4; also S36 SW1/4.  42.1807 N, 107.0849 W.  
Spring-fed aspen draw. Phenology: vegetative only. 

Amy J. Roderick, 4969.  6/15/1998. 		RM 666233	Barcode: RM0125562
     with Frank Blomquist
_________________________________________________________________________

1318.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Gas Hills Mining District; ca 7.0 air mi ENE of Junction of Wyo Hwy 136 and Ore Road (main road through the Gas Hills Mining District).  Elev. 6650-6820 ft.
T33N R89W S4.  42.8584 N, 107.5128 W; uncertainty 1 mi..  
Aspen stand at spring. 

June Haines, 4369.  6/21/1985. 		RM 
_________________________________________________________________________

1319.  Equisetum arvense L. 				Equisetaceae

U.S.A., Washington, Columbia County: Umatilla National Forest and Vicinity: east side of Chase Mountain from North Fork Touchet River, 0.5-1.5 air mi SW of Middle Point Ridge Trail.  Elev. 3400-3600 ft.
T8N R40E S33.  46 7' 56.8" N, 117 48' 32.4" W; GPS Reading.  
Coniferous forest. Phenology: vegetative only. 

Ronald L. Hartman, 70958.  6/8/2001. 		RM 
     with Heather Bradtke
_________________________________________________________________________

1320.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Big Camp Creek Area, ca 6 air mi WSW of Muddy Gap Junction (Three Forks).  Elev. 6800-7000 ft.
T27N R90W S1; also S2 and S3.  42.3397 N, 107.5327 W; uncertainty 3 mi..  
Moist stream banks. 

June Haines, 4690b.  7/4/1985. 		RM 
     with Georgia Haines and Nora Little
_________________________________________________________________________

1321.  Equisetum arvense L. 				Equisetaceae

U.S.A., Oregon, Wallowa County: Umatilla National Forest and Vicinity: Wenaha-Tucannon Willderness: Smooth Ridge Trail and along the Wenaha River, ca 34 mi E and 6 mi S of Walla Walla.  Elev. 2000 ft.
T6N R42E S20 SW1/4; also SE1/4 S19 and N1/2 S29.  45 58' 49" N, 117 36' 0" W; GPS Reading.  zone 11, 5092031E, 453521N; GPS Reading.  
Along the river. Phenology: vegetative only. 

Heather Bradtke, 10100.  7/27/2002. 		RM 
_________________________________________________________________________

1322.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Sweetwater River, south of bridge across river on Agate Flats Road, ca 9.5 air mi ENE of Jeffrey City.  Elev. 6180-6200 ft.
T29N R90W S5; also S6.  42.5112 N, 107.6321 W; uncertainty 2 mi..  
Dry, sandy soil above river bank. 

June Haines, 7112.  8/30/1986. 		RM 
     with Georgia Haines
_________________________________________________________________________

1323.  Equisetum arvense L. 				Equisetaceae

U.S.A., Oregon, Grant County: Umatilla National Forest and Vicinity: at McCalpine Meadow along trail between Boulder Butte and Dupratt Spring, ca 28 mi S and 15 mi E of Ukiah.  Elev. 7200-7300 ft.
T10S R33E S4; also S3, S5; also T9S R34E S32.  44 43' 41" N, 118 37' 21" W; GPS Reading.  zone 11, 4954022E, 371524N; GPS Reading.  
Surrounding meadow complex. Phenology: vegetative only. 

Heather Bradtke, 10229.  8/1/2002. 		RM 
_________________________________________________________________________

1324.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: SE of Brooklyn Lake, slope below ARNEWS plot.  Elev. 10485 ft.
T16N R79W S11 NE1/4 of SW1/4.  41.3722 N, 106.2367 W; uncertainty 0.25 mi..  
Moist meadow. 

June Haines, 9238.  7/16/1991. 		RM 
     with Deana Hopkins and Maria Hille
_________________________________________________________________________

1325.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: ca 0.5 air mi E of Little Brooklyn Lake, just above road at southern boundary of extended study area.  Elev. 10280 ft.
T16N R79W S11 S1/4; Center of .  41.3722 N, 106.2367 W.  
Moist south-facing slope. 

June Haines, 9265.  7/16/1991. 		RM 
     with Deana Hopkins and Maria Hille
_________________________________________________________________________

1326.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: ca 0.5 air mi SE of Brooklyn Lake, near plot 211.  Elev. 10520 ft.
T16N R79W S11 NE1/4 SW1/4.  41.3722 N, 106.2367 W; uncertainty 0.25 mi..  
Moist forb meadow. 

June Haines, 9448.  7/31/1991. 		RM 
     with Claudia Regan, Deana Hopkins, Phil Robertson
_________________________________________________________________________

1327.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: ca 0.5 air mi ESE of Brooklyn Lake, between plots 213 and 212.  Elev. 10530 ft.
T16N R79W S11, near center.  41.3722 N, 106.2367 W.  
Wet forb meadow at edge of marsh. 

June Haines, 9662.  8/13/1991. 		RM 
     with Tom Fletchall
_________________________________________________________________________

1328.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: SE of Brooklyn Lake, edge of pond below plot 212 and NE of plot 283.  Elev. 10485 ft.
T16N R79W S11 NE1/4 of SE1/4.  41.3722 N, 106.2367 W; uncertainty 0.25 mi..  
Bank at edge of pond. 

June Haines, 9763.  8/14/1991. 		RM 
_________________________________________________________________________

1329.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: ENE of Brooklyn Lake, NE of plot 245, NNE of plot 167.  Elev. 10460 ft.
T16N R79W S2 South1/4.  41.3875 N, 106.2367 W.  
Wet meadow surrounding spring runoff rivulets of creek. Phenology: vegetative only. 

June Haines, 9943.  8/21/1991. 		RM 575158	Barcode: RM0125446
     with Kim Zawadzki
_________________________________________________________________________

1330.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sweetwater County: Green River Basin: along Little Dry Creek, ca 11 air mi NNE of Burntfork.  Elev. 7200 ft.
T14N R111W S22.  41.1797 N, 109.9144 W; uncertainty 1 mi..  
Saltbush flats and bottoms along creek; along creek. Phenology: vegetative only. 

Keith H. Dueholm, 10354.  7/4/1980. 		RM 396963	Barcode: RM0125419
_________________________________________________________________________

1331.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Uinta County: Green River Basin: Wasatch National Forest: ca 12 air mi S of Robertson.  Elev. 9200 ft.
T12N R115W S19.  41.0036 N, 110.4208 W; uncertainty 1 mi..  
Meadows and willow thickets along small creek, lodgepole pine forests; roadside. Phenology: vegetative only. 

Keith H. Dueholm, 10369.  7/5/1980. 		RM 396965	Barcode: RM0125440
_________________________________________________________________________

1332.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sweetwater County: Rock Springs Uplift: above Dry Canyon, and along Salt Wells Creek, ca 24 air mi SE of Rock Springs.  Elev. 7000 ft.
T15N R102W S7; also S18 and S19.  41.2958 N, 108.9378 W; uncertainty 3 mi..  
Sandstone uplift above canyon, with sandy areas, and Juniperus osteosperma, Pinus flexilis, Pseudotsuga, Cercocarpus montanus and C. ledifolius, on broad expanse of exposed rock, flats along creek; along creekbed. Phenology: vegetative only. 

Keith H. Dueholm, 10911.  8/22/1980. 		RM 396967	Barcode: RM0125438
_________________________________________________________________________

1333.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sweetwater County: Green River Basin: north side of Pine Mountain.  Elev. 8800-9500 ft.
T12N R103W S2 & S3.  41.0489 N, 108.9778 W; uncertainty 2 mi..  
Subalpine fir and Engelmann spruce forest on lower slopes, small stream with sedge meadows, grazed openings with sagebrush, and open aspen stands along edge of conifer forest; along creek. Phenology: vegetative only. 

Keith H. Dueholm, 10929.  8/22/1980. 		RM 396966	Barcode: RM0125439
_________________________________________________________________________

1334.  Equisetum arvense L. 				Equisetaceae

U.S.A., Oregon, Grant County: Umatilla National Forest and Vicinity: North Fork John Day Wilderness: from Moon Meadows along Packsaddle Trail, near Forest Road 5225, ca 8 mi N and 6 mi W of Granite.  Elev. 5800-6200 ft.
T7S R35E S30; also S29.  44 56' 3" N, 118 32' 52" W to 44 55' 55" N, 118 31' 36" W; GPS Reading.  zone 11, 4976803E, 377864N; GPS Reading.  
Meadow; slope 0-10; aspect easterly. Phenology: vegetative only. 

Heather Bradtke, 10555.  8/5/2002. 		RM 
_________________________________________________________________________

1335.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Hot Springs County: Owl Creek/Bridger Mountains: Bridger Mountains: along West Kirby Creek, ca 19 air mi SE of Thermopolis.  Elev. 5600 ft.
T41N R92W S11.  43.5369 N, 107.8644 W; uncertainty 1 mi..  
Meadows and moist slopes along creek; near creek. 

Keith H. Dueholm, 11317.  5/29/1981. 		RM 930630	Barcode: RM0092382
     with Ronald L. Hartman
_________________________________________________________________________

1336.  Equisetum arvense L. 				Equisetaceae

U.S.A., Oregon, Grant County: Umatilla National Forest and Vicinity: North Fork John Day Wilderness: from Forks Guard Station and Forest Road 5225 along Forks Trail, ca 11 mi N and 9 mi W of Granite.  Elev. 5000-5800 ft.
T7S R34E S11; also NW1/4 S14.  44 58' 58" N, 118 35' 16" W; GPS Reading.  zone 11, 4982261E, 374817N; GPS Reading.  
Nearby sunny creek; slope 5-20; aspect north. Phenology: vegetative only. 

Heather Bradtke, 10642.  8/5/2002. 		RM 
_________________________________________________________________________

1337.  Equisetum arvense L. 				Equisetaceae

U.S.A., Oregon, Grant County: Umatilla National Forest and Vicinity: Crane Creek at Crane Flats on Forest Road 73, ca 5 mi N of Granite.  Elev. 5500-5600 ft.
T8S R35.5E S10.  44 53' 7" N, 118 24' 23" W; GPS Reading.  zone 11, 4971185E, 388928N; GPS Reading.  
Creek and meadow; slope 0; aspect riparian. Phenology: vegetative only. 

Heather Bradtke, 10731.  8/12/2002. 		RM 
_________________________________________________________________________

1338.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 7 air mi NW of Rockypoint.  Elev. 3700 ft.
T57N R69W S6 NW1/4.  44.96083 N, 105.1983 W; uncertainty 1 mi..  
Pond, margins and adjacent plains; shaded slope near pond. Phenology: vegetative only. 

Keith H. Dueholm, 3013.  6/26/1978. 		RM 321876	Barcode: RM0125972
_________________________________________________________________________

1339.  Equisetum arvense L. 				Equisetaceae

U.S.A., Oregon, Umatilla County: Umatilla National Forest and Vicinity: Sugarbowl on Forest Road 5309, ca 8 mi W of Ukiah.  Elev. 4500-4700 ft.
T5S R30E S16.  45 8' 7" N, 119 5' 14" W; GPS Reading.  zone 11, 5000114E, 335878N; GPS Reading.  
Under ponderosa pine with grass, strawberries, and Lomatium nudicaule transitioning to Larix, lodgepole pine, and Douglas fir forest. Phenology: vegetative only. 

Heather Bradtke, 10863.  8/14/2002. 		RM 
_________________________________________________________________________

1340.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Natrona County: Powder River Basin: Willow Creek, ca 18 air mi SSW of Kaycee.  Elev. 5300 ft.
T40N R83W S1.  43.4617 N, 106.753 W; uncertainty 1 mi..  
Shaley pine covered slopes above creek, sagebrush plain at summit of hills, sandy flats along creek, lower clay slopes; sandy flats. Phenology: vegetative only. 

Keith H. Dueholm, 6873.  6/10/1979. 		RM 332240	Barcode: RM0125976
_________________________________________________________________________

1341.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Niobrara County: Powder River Basin: East Indian Creek, ca 1 air mi W of Whitman.  Elev. 4400 ft.
T34N R61W S25.  42.8913 N, 104.1337 W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO!.  
Sandy flats above creek, rich, moist meadows along creek, sandy plains; flats. Phenology: vegetative only. 

Keith H. Dueholm, 7017.  6/18/1979. 		RM 332243	Barcode: RM0125973
_________________________________________________________________________

1342.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sheridan County: Powder River Basin: along Meade Creek, ca 9 air mi S of Sheridan.  Elev. 4300 ft.
T54N R83W S18; also S19.  44.6531 N, 106.90111 W; uncertainty 2 mi..  
Hillside along roadway, meadows along creek, irrigation ditch; near irrigation ditch. Phenology: vegetative only. 

Keith H. Dueholm, 7537.  6/30/1979. 		RM 332241	Barcode: RM0125975
_________________________________________________________________________

1343.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Niobrara County: Powder River Basin: ca 1.5 air mi NNW of Leverett townsite.  Elev. 4600 ft.
T39N R66W S22.  43.3488 N, 104.7642 W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO!.  
Large seepage area along small creek below holding dam, sagebrush plains; edge of seepage area. Phenology: vegetative only. 

Keith H. Dueholm, 7991.  7/11/1979. 		RM 332238	Barcode: RM0125977
_________________________________________________________________________

1344.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Johnson County: Powder River Basin: Shell Creek and northwest corner of Lake De Smet.  Elev. 4600 ft.
T52N R82W S1 SE1/4; also T52N R83W S6 SW1/4.  44.50583 N, 106.7736 W; uncertainty 2 mi..  
Sandy flats along lake, edges and meadows along creek; meadows. Phenology: vegetative only. 

Keith H. Dueholm, 8417.  7/21/1979. 		RM 332242	Barcode: RM0125974
_________________________________________________________________________

1345.  Equisetum arvense L. 				Equisetaceae

U.S.A., Oregon, Umatilla County: Umatilla National Forest and Vicinity: ca 10 mi E and 2 mi N of Ukiah.  Elev. 4067 ft.
T5S R33E S4 W1/2; also E1/2 S5.  45 10' 6.5" N, 118 44' 11.6" W; GPS Reading.  zone 11, 5003133E, 363535N; GPS Reading.  
Sunny, open wetland surrounding slow moving creek; Veratrum the dominant herb in organic soil; slope <10; aspect south Phenology: vegetative only. 

Heather Bradtke, 4858.  5/30/2002. 		RM 
_________________________________________________________________________

1346.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sheridan County: Powder River Basin: ca 10 air mi W of Parkman.  Elev. 5200 ft.
T58N R88W S30.  44.9758 N, 107.53167 W; uncertainty 1 mi..  
Crataegus thickets on slopes above small creek, margins of creek; embankment. Phenology: vegetative only. 

Keith H. Dueholm, 9000.  8/11/1979. 		RM 334246	Barcode: RM0125979
_________________________________________________________________________

1347.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Johnson County: Big Horn Mountains: Clear Creek and Hunter Creek, at base of Hunter Ridge, ca 0.5 mi W of Hunter Ranger Station.  Elev. 7400 ft.
T50N R84W S10.  44.3169 N, 106.9519 W; uncertainty 1 mi..  
Outcrops at base of ridge; along creek. Phenology: vegetative only. 

Keith H. Dueholm, 9155.  8/14/1979. 		RM 349113	Barcode: RM0125947
_________________________________________________________________________

1348.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Washakie County: Bighorn Basin: Spring Creek, ca 9 air mi SE of Ten Sleep.  Elev. 4800 ft.
T46N R87W S20.  43.9392 N, 107.33639 W; uncertainty 1 mi..  
Sagebrush plains surrounding creek, sandy floodplain along creek, hill slope; floodplain. 

Keith H. Dueholm, 9235.  5/22/1980. 		RM 932182	Barcode: RM0095286
     with Ronald L. Hartman
_________________________________________________________________________

1349.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Big Horn County: Big Horn Mountains: mouth of Dry Medicine Lodge Canyon (S9 & S16) and ridge above Medicine Lodge Canyon, and along Dry Medicine Lodge Creek (S10 & S15).  Elev. 5000-5700 ft.
T50N R89W S9; also S10, S15, and S16.  44.3217 N, 107.54917 W; uncertainty 3 mi..  
Phenology: vegetative only. 

Keith H. Dueholm, 9506.  5/26/1980. 		RM 349151	Barcode: RM0125944
     with Ronald L. Hartman
_________________________________________________________________________

1350.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Big Horn County: Big Horn Mountains: John Blue Canyon, ca 4.5 mi NNE of U.S. Hwy 14A.  Elev. 4600-4800 ft.
T57N R94W S23; also S24.  44.90611 N, 108.15861 W; uncertainty 2 mi..  
Slopes of canyon, riparian area along small creek; riparian area. Phenology: vegetative only. 

Keith H. Dueholm, 9676.  5/28/1980. 		RM 349150	Barcode: RM0125417
     with Ronald L. Hartman
_________________________________________________________________________

1351.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Absaroka Mountains: Francs Fork, ca 4 air mi SW of the Greybull River.  Elev. 7500-8000 ft.
T47N R103W S8; also S9.  44.0576 N, 109.2436 W.  
River bottom and adjacent creek banks with aspen, cottonwoods, and limber pine. Phenology: spores. 

Robert S. Kirkpatrick, 11.  6/21/1983. 		RM 554889	Barcode: RM0031865
     with Ruth E. B. Kirkpatrick
_________________________________________________________________________

1352.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Absaroka Mountains: ca 24 air mi WSW of Meeteetse, in the vicinity of Jack Creek Cabin, ca 1 mi NW of Phelps Mountain.  Elev. 9600-10000 ft.
T47N R104W S3; also S2 and S10.  44.0724 N, 109.3238 W; uncertainty 3 mi..  
Open slopes bordered by Engelmann spruce. Phenology: spores. 

Robert S. Kirkpatrick, 1109.  7/12/1983. 		RM 554880	Barcode: RM0031860
     with Ruth E. B. Kirkpatrick
_________________________________________________________________________

1353.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Absaroka Mountains: ca 33 air mi WSW of Meeteetse, in the vicinity of the three forks of Anderson Creek.  Elev. 9200-9800 ft.
T47N R105W S8.  44.0544 N, 109.4795 W.  
Spruce and lodgepole pine forest. Phenology: spores. 

Robert S. Kirkpatrick, 1300.  7/17/1983. 		RM 554879	Barcode: RM0031880
     with Ruth E. B. Kirkpatrick
_________________________________________________________________________

1354.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Absaroka Mountains: ca 33 air mi WSW of Meeteetse, in the vicinity of the three forks of Anderson Creek.  Elev. 9200-9800 ft.
T47N R105W S8.  44.0544 N, 109.4795 W.  
Spruce and lodgepole pine forest. Phenology: vegetative only. 

Robert S. Kirkpatrick, 1304.  7/17/1983. 		RM 554878	Barcode: RM0031879
     with Ruth E. B. Kirkpatrick
_________________________________________________________________________

1355.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Hot Springs County: Absaroka Mountains: ca 39 mi WNW of Thermopolis on North Fork of Owl Creek.  Elev. 7400 ft.
T44N R101W S33.  43.7346 N, 108.9821 W.  
Rock and sand bars in the river bottom. Phenology: spores. 

Robert S. Kirkpatrick, 158.  6/23/1983. 		RM 554890	Barcode: RM0031866
     with B. E. Nelson
_________________________________________________________________________

1356.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Hot Springs County: Absaroka Mountains: ca 27 air mi SSW of Meeteetse, junction of South Fork and East Fork of South Fork Wood River and Slaughter Creek.  Elev. 8900 ft.
T44N R103W S1.  43.8066 N, 109.1614 W.  
Creek bottoms and adjacent wet areas bordered by Engelmann spruce forest. Phenology: vegetative only. 

Robert S. Kirkpatrick, 1619.  7/26/1983. 		RM 554874	Barcode: RM0031919
     with Ruth E. B. Kirkpatrick
_________________________________________________________________________

1357.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Hot Springs County: Absaroka Mountains: ca 27 air mi SSW of Meeteetse, junction of South Fork and East Fork of South Fork Wood River and Slaughter Creek.  Elev. 8900 ft.
T44N R103W S1.  43.8066 N, 109.1614 W.  
Creek bottoms and adjacent wet areas bordered by Engelmann spruce forest. Phenology: vegetative only. 

Robert S. Kirkpatrick, 1620.  7/26/1983. 		RM 554875	Barcode: RM0031920
     with Ruth E. B. Kirkpatrick
_________________________________________________________________________

1358.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Cherry Creek, ca 5.2 air mi S of Wyo Hwy 220; ca 13.6 air mi SW of Independence Rock.  Elev. 6700 ft.
T27N R88W S1; also S12.  42.3397 N, 107.2991 W.  
Aspen grove near stream. Phenology: vegetative only. 

Amy J. Roderick, 5126.  6/16/1998. 		RM 666256	Barcode: RM0125552
_________________________________________________________________________

1359.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Absaroka Mountains: ca 17 air mi N of Dubois, at junction of Horse Creek and Twilight Creek.  Elev. 8700 ft.
T44N R107W S14.  43.7778 N, 109.6594 W.  
Wet areas along the creek. Phenology: vegetative only. 

Robert S. Kirkpatrick, 1779.  8/1/1983. 		RM 554876	Barcode: RM0031877
     with Ruth E. B. Kirkpatrick
_________________________________________________________________________

1360.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Absaroka Mountains: ca 44.5 air mi SW of Cody, above Needle Creek, ca 1 mi E of junction of the South Fork of the Shoshone River.  Elev. 9000 ft.
T47N R106W S18.  44.04 N, 109.6202 W.  
Wet areas along the creek. Phenology: vegetative only. 

Robert S. Kirkpatrick, 1896.  8/10/1983. 		RM 554877	Barcode: RM0031878
     with Geoffrey McNaughton
_________________________________________________________________________

1361.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Absaroka Mountains: ca 19 mi SSW of Cody, S of Meeteetse Creek, ca 1 mi S of Foster Reservoir.  Elev. 8400-9200 ft.
T50N R103W S36.  44.2619 N, 109.1841 W.  
Spruce forest; wet poorly drained areas. Phenology: vegetative only. 

Robert S. Kirkpatrick, 2377.  8/20/1983. 		RM 554861	Barcode: RM0031922
_________________________________________________________________________

1362.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Absaroka Mountains: ca 16 mi W of Meeteetse, along Rawhide Creek.  Elev. 7600 ft.
T49N R102W S24.  44.2041 N, 109.0631 W.  
Creek bottoms and adjacent wet areas with Populus tremuloides and P. balsamifera. Phenology: spores. 

Robert S. Kirkpatrick, 239.  6/25/1983. 		RM 554891	Barcode: RM0031839
     with Ruth E. B. Kirkpatrick
_________________________________________________________________________

1363.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Absaroka Mountains: ca 26 mi SW of Meeteetse, along Wood River 1 mi SE of Chief Mountain.  Elev. 8600-8800 ft.
T46N R103W S31.  43.9098 N, 109.2636 W.  
Picea engelmannii and Abies lasiocarpa forests with open wet meadows. Phenology: spores. 

Robert S. Kirkpatrick, 267.  6/27/1983. 		RM 554892	Barcode: RM0031840
     with Ruth E. B. Kirkpatrick
_________________________________________________________________________

1364.  Equisetum arvense L. 				Equisetaceae

U.S.A., Oregon, Morrow County: Umatilla National Forest and Vicinity: Dry Swale Creek near Heck and Gone, ca 19 mi N and 3 mi E of Monument.  Elev. 4700 ft.
T5S R28E S32.  45 5' 22" N, 119 21' 18" W; uncertainty 1 mi..  zone 11, 4995585E, 314679N.  
Sunny riparian area with Taraxacum present; collected within 3 feet of water on creek, on a 1 mile transect. Phenology: spores. 

Heather Bradtke, 5175.  6/5/2002. 		RM 
_________________________________________________________________________

1365.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Absaroka Mountains: ca 3 air mi NW of Dubois, west side of Tappan Creek in vicinity of junction with Butler Draw.  Elev. 7200 ft.
T42N R107W S26; also S27.  43.5762 N, 109.6594 W.  
Riparian areas with Populus augustifolia and Salix lutea; wet areas. Phenology: spores. 

Robert S. Kirkpatrick, 2863.  6/23/1984. 		RM 554862	Barcode: RM0031916
_________________________________________________________________________

1366.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Absaroka Mountains: ca 10 air mi NW of Dubois, headwaters of the Middle Fork of the Tappan Creek.  Elev. 8400-8700 ft.
T43N R107W S29; also S20.  43.6626 N, 109.7192 W.  
Pinus contorta forest with Pinus albicaulis and Arnica cordifolia; wet areas. Phenology: spores. 

Robert S. Kirkpatrick, 2876.  6/23/1984. 		RM 554863	Barcode: RM0031881
_________________________________________________________________________

1367.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Absaroka Mountains: ca 15 air mi N of Dubois, in the vicinity of Cartridge Creek.  Elev. 8500-8800 ft.
T44N R106W S28; also S21 and S29.  43.749 N, 109.5798 W; uncertainty 2 mi..  
Pinus contorta and Picea engelmannii forest; wet, forested areas. Phenology: spores. 

Robert S. Kirkpatrick, 2964.  6/24/1984. 		RM 554864	Barcode: RM0031872
_________________________________________________________________________

1368.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Hot Springs County: Absaroka Mountains: ca 20 air mi S of Meeteetse, between Twin Buttes and Little Grass Creek.  Elev. 6600 ft.
T45N R100W S14; also S11 and S13.  43.8655 N, 108.8225 W.  
Riparian, shrubby. Phenology: vegetative only. 

Robert S. Kirkpatrick, 3119.  6/27/1984. 		RM 554865	Barcode: RM0031873
_________________________________________________________________________

1369.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Absaroka Mountains: ca 16 air mi SW of Meeteetse, upper end of the North Fork of Dick Creek, ca 5 mi from the Wood River.  Elev. 7900-8200 ft.
T47N R102W S28; also S29 and S30.  44.0133 N, 109.1032 W.  
Pinus contorta forest with Arnica cordifolia; moist, open areas. Phenology: spores. 

Robert S. Kirkpatrick, 3221.  6/29/1984. 		RM 554866	Barcode: RM0031874
_________________________________________________________________________

1370.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Hot Springs County: Absaroka Mountains: ca 19 air mi SSW of Meeteetse, in the vicinity of the junction of Gooseberry Creek and Middle Gooseberry Creek.  Elev. 7500 ft.
T45N R101W S6.  43.895 N, 109.023 W.  
Riparian, lower montane, with Pinus contorta and Picea engelmannii; marshy, wet meadows. Phenology: spores. 

Robert S. Kirkpatrick, 3381.  7/1/1984. 		RM 554867	Barcode: RM0031875
_________________________________________________________________________

1371.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Absaroka Mountains: ca 19 air mi SW of Cody, ca 1 mi NE of Belknap Creek in the vicinity and to the NE of "Peak" 8981.  Elev. 8600-9000 ft.
T50N R103W S19; also S8, S17 and S18.  44.2909 N, 109.2849 W.  
Riparian, subalpine with Salix; marshy areas. Phenology: spores. 

Robert S. Kirkpatrick, 3450.  7/3/1984. 		RM 554897	Barcode: RM0031871
_________________________________________________________________________

1372.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Absaroka Mountains: ca 45 air mi SW of Cody, at junction of South Fork Shoshone River and Needle Creek.  Elev. 6900 ft.
T47N R107W S13.  44.04 N, 109.6403 W.  
Sand and gravel bars along the river. Phenology: vegetative only. 

Robert S. Kirkpatrick, 354.  6/30/1983. 		RM 554872	Barcode: RM0031917
     with Ruth E. B. Kirkpatrick
_________________________________________________________________________

1373.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Absaroka Mountains: ca 21 air mi NE of Dubois, on southern end of Steamboat Rock.  Elev. 8400 ft.
T44N R104W S8; also S4 and S5.  43.7922 N, 109.3606 W.  
River sand and gravel bars; shaded. Phenology: vegetative only. 

Robert S. Kirkpatrick, 3825.  7/11/1984. 		RM 554896	Barcode: RM0031870
     with Ruth E. B. Kirkpatrick
_________________________________________________________________________

1374.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Absaroka Mountains: ca 21 air mi N of Dubois, along the Wiggins Fork of the Wind River, ca 1 mi E of Norton Point.  Elev. 8200 ft.
T45N R106W S26; also S35.  43.8374 N, 109.5398 W.  
Picea engelmannii and Abies lasiocarpa forest on old river floodplain; moist, closed areas. Phenology: spores. 

Robert S. Kirkpatrick, 3915.  7/14/1984. 		RM 554895	Barcode: RM0031869
     with Ruth E. B. Kirkpatrick
_________________________________________________________________________

1375.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Absaroka Mountains: ca 7 air mi NNE of Dubois, south side of Spring Mountain.  Elev. 7600-8500 ft.
T42N R106W S4; also S3, S9 and S10.  43.6338 N, 109.5798 W.  
Riparian, lower montane; wet, marshy areas. Phenology: vegetative only. 

Robert S. Kirkpatrick, 4045.  7/15/1984. 		RM 554894	Barcode: RM0031868
_________________________________________________________________________

1376.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Absaroka Mountains: ca 14 air mi ENE of Dubois, along Indian Ridge N to Telephone Draw.  Elev. 9200-9800 ft.
T43N R106W S12; also S1.  43.7058 N, 109.52 W.  
Riparian, montane - subalpine; wet areas in the creek. Phenology: vegetative only. 

Robert S. Kirkpatrick, 4195.  7/17/1984. 		RM 554893	Barcode: RM0031867
_________________________________________________________________________

1377.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Absaroka Mountains: ca 13 air mi NNW of Dubois, ca 2 air mi SW of Ramshorn Peak, in the vicinity and N of Five Mile Creek.  Elev. 8400-8800 ft.
T43N R107W S13; also S12 and S24.  43.6911 N, 109.6466 W.  
Picea engelmannii and Abies lasiocarpa forest; wet, closed areas in and around springs, bogs, and ponds. Phenology: spores. 

Robert S. Kirkpatrick, 4253.  7/18/1984. 		RM 554868	Barcode: RM0031921
_________________________________________________________________________

1378.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Absaroka Mountains: ca 22 air mi SW of Meeteetse, in the vicinity and west of the junction of the Middle Fork of the Wood River and Beaver Creek.  Elev. 7500-8300 ft.
T46N R103W S35; also S36.  43.9098 N, 109.1834 W.  
Riparian, montane; wet, marshy areas. 

Robert S. Kirkpatrick, 4983.  7/26/1984. 		RM 
_________________________________________________________________________

1379.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Absaroka Mountains: ca 43 air mi SW of Cody, South Fork Shoshone River, ca 7 trail mi S of South Fork Ranger Station.  Elev. 6900 ft.
T47N R107W S12; also S1.  44.0544 N, 109.6403 W.  
River bottoms and adjacent banks. Phenology: spores. 

Robert S. Kirkpatrick, 519.  6/30/1983. 		RM 554873	Barcode: RM0031918
     with Ruth E. B. Kirkpatrick
_________________________________________________________________________

1380.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Absaroka Mountains: ca 29 air mi SW of Meeteetse; at Kirwin in the vicinity of the junction of the North Fork Wood River and Cascade Creek.  Elev. 9300 ft.
T45N R104W S14.  43.8655 N, 109.3037 W; uncertainty 1 mi..  
Riparian areas adjacent to Picea engelmannii and Abies lasiocarpa forest; moist creek banks. Phenology: vegetative only. 

Robert S. Kirkpatrick, 5328.  8/13/1984. 		RM 554869	Barcode: RM0031876
     with Ruth E. B. Kirkpatrick
_________________________________________________________________________

1381.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Absaroka Mountains: ca 18 air mi N of Dubois, along Horse Creek in the Five Pockets area.  Elev. 8800 ft.
T44N R107W S9; also S10.  43.7922 N, 109.6993 W.  
Riparian, montane-subalpine; wet areas. Phenology: vegetative only. 

Robert S. Kirkpatrick, 5608.  8/17/1984. 		RM 554884	Barcode: RM0031863
     with Ruth E. B. Kirkpatrick
_________________________________________________________________________

1382.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Absaroka Mountains: ca 33 air mi SW of Cody, at the junction of Boulder Creek and Little Boulder Creek.  Elev. 6600-8000 ft.
T49N R105W S30; also S29.  44.1863 N, 109.5435 W.  
Creek banks and adjacent wet areas with Douglas fir and cottonwoods. Phenology: vegetative only. 

Robert S. Kirkpatrick, 588.  7/1/1983. 		RM 554883	Barcode: RM0031864
_________________________________________________________________________

1383.  Equisetum arvense L. 				Equisetaceae

U.S.A., Oregon, Morrow County: Umatilla National Forest and Vicinity: near Nine Top Road on Mahogany Flat, ca 12 mi N of Monument.  Elev. 2900 ft.
T6S R28E S31; also S32 and T7S R28E S5.  44 59' 55.2" N, 119 24' 35.4" W; GPS Reading.  zone 11, 4985628E, 310064N; GPS Reading.  
Riparian area partially shaded by Douglas fir and ponderosa pine with Salix, Philadelphus, Physocarpus and Carex in organic soil; slope 0-20; aspect ravine. Phenology: vegetative only. 

Heather Bradtke, 5514.  6/11/2002. 		RM 
_________________________________________________________________________

1384.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Absaroka Mountains: ca 17 air mi SW of Meeteetse, along the South Fork of Dick Creek.  Elev. 7600-8000 ft.
T46N R102W S5; also S8.  43.9837 N, 109.1233 W.  
Spruce and fir forests and adjacent wet areas. Phenology: spores. 

Robert S. Kirkpatrick, 655.  7/6/1983. 		RM 554882	Barcode: RM0031862
     with Ruth E. B. Kirkpatrick
_________________________________________________________________________

1385.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Absaroka Mountains: ca 16.5 air mi NW of Dubois, along East Fork Du Noir Creek, ca 9 road mi N of U.S. Hwy 26/287.  Elev. 7500 ft.
T43N R108W S4.  43.7202 N, 109.8188 W.  
Floodplain and gravel bars along the river (possibly limestone outwash). Phenology: vegetative only. 

Robert S. Kirkpatrick, 781.  7/8/1983. 		RM 554881	Barcode: RM0031861
     with Ruth E. B. Kirkpatrick
_________________________________________________________________________

1386.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Natrona County: Big Horn Mountains: Middle Fork Buffalo Creek, ca 18.5 air mi N of Arminto.  Elev. 8100 ft.
T40N R87W S13.  43.4364 N, 107.2294 W; uncertainty 1 mi..  
Spruce forest with stream beneath. Phenology: vegetative only. 

Ronald L. Hartman, 10472.  8/1/1979. 		RM 349116	Barcode: RM0125964
_________________________________________________________________________

1387.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Big Horn County: Big Horn Mountains: Medicine Lodge Canyon.  Elev. 5000 ft.
T50N R89W S3; also S10.  44.3383 N, 107.5289 W; uncertainty 2 mi..  
Lower canyon slopes and floor. Phenology: vegetative only. 

Ronald L. Hartman, 11207.  5/26/1980. 		RM 349146	Barcode: RM0125943
     with Keith H. Dueholm
_________________________________________________________________________

1388.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Absaroka Mountains: confluence of Jack Creek and Greybull River.  Elev. 7600-8100 ft.
T48N R104W S21; also S28.  44.1153 N, 109.3497 W.  
Rolling grassy slopes with scattered limber pine and some douglas fir. Phenology: spores. 

Ronald L. Hartman, 14659.  6/8/1983. 		RM 554898	Barcode: RM0031887
     with Robert S. and Ruth E. B. Kirkpatrick
_________________________________________________________________________

1389.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Absaroka Mountains: Boulder Basin Trail, Hunter Creek, and vicinity.  Elev. 6400-7400 ft.
T48N R106W S4; also S9 and S10.  44.1581 N, 109.59639 W.  
Vicinity of creek with overstory of birch, cottonwood, willow, douglas fir, and engelmann spruce. Phenology: spores. 

Ronald L. Hartman, 14774.  6/10/1983. 		RM 554870	Barcode: RM0031896
     with Robert S. and Ruth E. B. Kirkpatrick
_________________________________________________________________________

1390.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Absaroka Mountains: Wood River between Brown Mountain and Upper Wood River campgrounds and along Deer Creek.  Elev. 7400-7900 ft.
T46N R103W S23; also S24; T46N R102W S19.  43.9378 N, 109.18306 W.  
River and creek bottoms and adjacent rocky benches and slopes with scattered lodgepole pine, engelmann spruce, and limber pine and big sagebrush. Phenology: spores. 

Ronald L. Hartman, 14910.  6/12/1983. 		RM 554902	Barcode: RM0031895
     with Robert S. Kirkpatrick
_________________________________________________________________________

1391.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Absaroka Mountains: junction of Wiggins Fork and Frontier Creek at Double Cabin Campground.  Elev. 8100 ft.
T44N R106W S3; also S10, S11, S14, S15; also S22.  43.80694 N, 109.56306 W; uncertainty 4 mi..  
River flood plains and adjacent rolling grassy slopes and lodgepole pine forest. Phenology: spores. 

Ronald L. Hartman, 15064.  6/14/1983. 		RM 554901	Barcode: RM0031890
     with Robert S. and Ruth E. B. Kirkpatrick
_________________________________________________________________________

1392.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Hot Springs County: Absaroka Mountains: Grass Creek Road, ca 10 road mi W of junction with Little Grass Creek.  Elev. 7300-8000 ft.
T45N R101W S10; also S15.  43.88306 N, 108.96194 W; uncertainty 2 mi..  
Sagebrush grassland and limber pine woodland. Phenology: spores. 

Ronald L. Hartman, 15220.  6/16/1983. 		RM 554900	Barcode: RM0031889
     with Robert S. Kirkpatrick
_________________________________________________________________________

1393.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Absaroka Mountains: north end Carter Mountain, headwaters of Carter Creek and upper end of Marquette Creek, ca 16 air mi SW of Cody.  Elev. 6800-8700 ft.
T50N R103W S2; also S3, S10, and T51N R103W S27 and S34.  44.335 N, 109.20611 W; uncertainty 4 mi..  
Spruce-fir forest with lodgepole and limber pine, open sagebrush grassland, and aspen and cottonwood thickets along stream. Phenology: spores. 

Ronald L. Hartman, 15305.  6/19/1983. 		RM 554899	Barcode: RM0031888
     with Robert S. and Ruth E. B. Kirkpatrick
_________________________________________________________________________

1394.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Absaroka Mountains: Bull Creek, ca 2 air mi SE of the South Fork Shoshone River.  Elev. 6500 ft.
T51N R104W S36.  44.34917 N, 109.30639 W; uncertainty 1 mi..  
Sagebrush-rabbit brush grassland and adjacent creek bottoms. Phenology: vegetative only. 

Ronald L. Hartman, 15374.  6/19/1983. 		RM 554871	Barcode: RM0031897
     with Robert S. Kirkpatrick
_________________________________________________________________________

1395.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Absaroka Mountains: northeast end of Carter Mountain, vicinity of Foster Reservoir and Devils Tooth.  Elev. 8000-8700 ft.
T50N R102W S19; also S30 and T50N R103W S25 and S24.  44.2917 N, 109.1664 W; uncertainty 2 mi..  
Phenology: spores. 

Ronald L. Hartman, 15488.  6/21/1983. 		RM 554856	Barcode: RM0031894
_________________________________________________________________________

1396.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Southeastern Absaroka Mountains: Pole Creek, ca 16 air mi NE of Dubois.  Elev. 7900-8300 ft.
T43N R104W S30.  43.6617 N, 109.385 W; uncertainty 1 mi..  
Shaded area along stream with overstory of willows, douglas fir, and limber pine. Phenology: vegetative only. 

Ronald L. Hartman, 15652.  6/23/1983. 		RM 554857	Barcode: RM0031893
_________________________________________________________________________

1397.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Southeastern Absarokas: headwaters of Castle Creek.  Elev. 10400-11000 ft.
T48N R105W S30.  44.0958 N, 109.5156 W; uncertainty 2 mi..  
Rocky slopes, stream bottoms, coniferous forest, and grassy slopes; moist wooded area along stream. Phenology: vegetative only. 

Ronald L. Hartman, 19381.  8/25/1984. 		RM 554858	Barcode: RM0031892
_________________________________________________________________________

1398.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Southeastern Absarokas: South Fork Shoshone River trail, between Robinson Creek and Younts Creek.  Elev. 7400-7600 ft.
T46N R107W S8; also S9 and S17.  43.9672 N, 109.72139 W; uncertainty 2 mi..  
Stream sides, coniferous forests, and meadows; wet meadow and forest edge. Phenology: vegetative only. 

Ronald L. Hartman, 19614.  8/27/1984. 		RM 554859	Barcode: RM0031891
_________________________________________________________________________

1399.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: Kennaday Peak, ca 15 air mi E of Saratoga.  Elev. 10400-10800 ft.
T17N R81W S8; also S16 and S17.  
Grassy and rocky slopes and ridges above treeline. Phenology: vegetative only. 

Ronald L. Hartman, 19850.  9/2/1984. 		RM 357692	Barcode: RM0125420
_________________________________________________________________________

1400.  Equisetum arvense L. 				Equisetaceae

U.S.A., Oregon, Morrow County: Umatilla National Forest and Vicinity: Forest Road 2120 and 20, ca 21 mi S and 4 mi E of Heppner.  Elev. 3940 ft.
T6S R27E S15.  45 3' 6" N, 119 28' 45" W; GPS Reading.  zone 11, 4991683E, 304773N; GPS Reading.  
Under Douglas fir and grand fir overstory in a shady creek with organic soil, slope 0-5; aspect none. Phenology: vegetative only. 

Heather Bradtke, 6266.  6/19/2002. 		RM 
_________________________________________________________________________

1401.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Wind River Basin: Crooks Gap Road, ca 6.5 air mi S of Jeffrey City.  Elev. 6500 ft.
T28N R92W S17.  42.3989 N, 107.8417 W; uncertainty 1 mi..  
Sagebrush flats and stream margin. Phenology: vegetative only. 

Ronald L. Hartman, 20486.  6/3/1985. 		RM 384822	Barcode: RM0125418
_________________________________________________________________________

1402.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Northern Absarokas: Crandall Creek Ranger Station.  Elev. 6460 ft.
T56N R106W S9.  44.84833 N, 109.6339 W; uncertainty 1 mi..  
Spruce lined stream bottom and adjacent open slopes. Phenology: vegetative only. 

Ronald L. Hartman, 20618.  7/12/1985. 		RM 535197	Barcode: RM0031886
_________________________________________________________________________

1403.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Northern Absarokas: Little Bald Ridge and Little Sunlight Creek, 2-3 air mi W of Sunlight Ranger Station.  Elev. 6900-7800 ft.
T55N R106W S14; also S15, S22, S23, S26, and S27.  44.7456 N, 109.5942 W; uncertainty 3 mi..  
Limestone talus slopes, ridges, and caprock, stream bottoms with willow and cottonwood, and disturbed roadsides; along stream with willow and cottonwood and disturbed areas. Phenology: vegetative only. 

Ronald L. Hartman, 21033.  7/18/1985. 		RM 535198	Barcode: RM0031885
_________________________________________________________________________

1404.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Northern Absarokas: North Fork Crandall Creek trail, 17-20 trail mi WNW of Crandall Ranger Station.  Elev. 8000-8800 ft.
T57N R108W S25; also S26 and T57N R107W S30.  44.8933 N, 109.8602 W.  
Along trail through coniferous forest. Phenology: vegetative only. 

Ronald L. Hartman, 21691.  7/27/1985. 		RM 535199	Barcode: RM0031818
_________________________________________________________________________

1405.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Northern Absarokas: Paint Creek, 10-11 air mi E of Sunlight Ranger Station.  Elev. 6800-7400 ft.
T55N R104W S25; also S26.  44.7167 N, 109.3308 W.  
Wooded slopes and stream bottom. Phenology: vegetative only. 

Ronald L. Hartman, 22016.  8/19/1985. 		RM 535200	Barcode: RM0031837
_________________________________________________________________________

1406.  Equisetum arvense L. 				Equisetaceae

U.S.A., Oregon, Umatilla County: Umatilla National Forest and Vicinity: North Fork John Day Wilderness: Upper Winom Trail, ca 15 mi E and 7 mi S of Ukiah.  Elev. 5350 ft.
T6S R34E S21; also S28 and S29.  45 2' 29" N, 118 37' 27" W; GPS Reading.  zone 11, 4988417E, 372081N; GPS Reading.  
Creek that leads to an open fen with scattered lodgepole pine in organic soil; slope 0; aspect none. Phenology: vegetative only. 

Heather Bradtke, 6499.  6/22/2002. 		RM 
_________________________________________________________________________

1407.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Southwestern Absarokas: Forest Service road #513, 10-11 air mi ESE of Togwotee Pass.  Elev. 8100 ft.
T43N R108W S7; also S17 and S18.  43.7053 N, 109.8622 W; uncertainty 2 mi..  
Roadsides through lodgepole and spruce-fir forests and adjacent meadows and stream margins. Phenology: spores. 

Ronald L. Hartman, 22803.  6/20/1987. 		RM 671838	Barcode: RM0031882
     with Neil Snow
_________________________________________________________________________

1408.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Southwestern Absarokas: Deer Creek trail, 2-5 trail mi W of trailhead on South Fork Road.  Elev. 7400-7800 ft.
T48N R107W S1; also S2 and S3.  44.1581 N, 109.656 W; uncertainty 3 mi..  
Slopes, drainages, and stream bottoms in mostly douglas fir forests with volcanic substrates. Phenology: vegetative only. 

Ronald L. Hartman, 23259.  6/23/1987. 		RM 671837	Barcode: RM0031883
     with Neil Snow
_________________________________________________________________________

1409.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Southwestern Absarokas: Outfitters trail between Cub Creek Trail and Pendergraff Meadow, 6-10 air mi NE of Togwotee Pass.  Elev. 8000-9200 ft.
T45N R110W S13; also S23, S24; also S26; T45N R109W S6 and S7.  43.8656 N, 110.0033 W; uncertainty 5 mi..  
Lodgepole pine forests, meadows, and drainages. Phenology: spores. 

Ronald L. Hartman, 23403.  6/26/1987. 		RM 671836	Barcode: RM0031884
     with Neil Snow
_________________________________________________________________________

1410.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: Sheep Mountain, NW corner.  Elev. 8400-9000 ft.
T15N R77W S17.  41.2681 N, 106.0647 W; uncertainty 1 mi..  
Rocky slopes and drainage with slowing stream below; Pseudotsuga menzizsii, Pinus contorta, and along the stream Acer and Sambucus. Phenology: spores. 

Ronald L. Hartman, 24330.  6/17/1989. 		RM 919539
_________________________________________________________________________

1411.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: ca 6 air mi NW of Green River Lakes campground.  Elev. 7800-7900 ft.
T39N R109W S5.  43.37 N, 109.9547 W; uncertainty 1 mi..  
Sagebrush slopes and streamside; streamside. Phenology: spores. 

Ronald L. Hartman, 25125.  6/8/1990. 		RM 583831	Barcode: RM0125430
_________________________________________________________________________

1412.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: Gypsum Creek Road, ca 1-1.5 air mi SE of Red Hill, ca 7 air mi SW of Green River Lakes campground.  Elev. 8100-8200 ft.
T38N R109W S19.  43.2439 N, 109.9742 W; uncertainty 1 mi..  
Sagebrush slopes with scattered lodgepole pine and adjacent stream margins; shales and limestone parent material and outcrops. Phenology: spores. 

Ronald L. Hartman, 25190.  6/8/1990. 		RM 583830	Barcode: RM0125424
_________________________________________________________________________

1413.  Equisetum arvense L. 				Equisetaceae

U.S.A., Oregon, Grant County: Umatilla National Forest and Vicinity: Bone Point Lookout, ca 4 mi W of Dale.  Elev. 4020-4560 ft.
T7S R31E S6; also S7.  44 59' 13" N, 119 1' 49" W to 44 58' 49" N, 119 2' 20" W to 44 59' 22" N, 119 2' 21" W; GPS Reading.  zone 11, 4982551E, 339245N; GPS Reading.  
Under ponderosa pine in a ravine in fine, deep soil; slope 10-15; aspect west. Phenology: vegetative only. 

Heather Bradtke, 6716.  6/24/2002. 		RM 
_________________________________________________________________________

1414.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Mount Leidy Highland Area: Gray Hills: Dallas Creek to Lightning Creek, ca 1 air mi N of west end of Upper Slide Lake.  Elev. 7600-8000 ft.
T42N R112W S18; also T42N R113W S12 and S13.  43.6027 N, 110.3389 W.  
Shaley barren slopes and adjacent stream bottoms. Phenology: vegetative only. 

Ronald L. Hartman, 26495.  7/6/1990. 		RM 655808	Barcode: RM0125408
_________________________________________________________________________

1415.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: West Slope Wind River Range: Fish Creek/Moccasin Basin Area, Open Fork Creek Trail from Squaw Creek Road to mouth of Packsaddle Creek.  Elev. 7800-8500 ft.
T42N R110W S6; also T42N R110WS7 and T42N R111WS11 and 12.  43.6314 N, 110.1008 W.  
Sagebrush grassland with scattered lodgepole pine. Phenology: vegetative only. 

Ronald L. Hartman, 27087.  7/12/1990. 		RM 583829	Barcode: RM0125429
_________________________________________________________________________

1416.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: Jim Creek, 1.5 air mi E of Wyo Hwy 352.  Elev. 8350-8550 ft.
T37N R109W S5.  
Streamside with scattered Engelmann spruce; lodgepole pine forest and meadows slightly above. Phenology: vegetative only. 

Ronald L. Hartman, 27495.  7/18/1990. 		RM 583828	Barcode: RM0125428
_________________________________________________________________________

1417.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: West Slope Wind River Range: Cottonwood Creek from outfitter's camp to 1 mi N of Sohare Creek. AlsoS6.  Elev. 7950-8100 ft.
T42N R111W S7.  43.6167 N, 110.2203 W; uncertainty 2 mi..  
Grassy meadows at edge of lodgepole pine woods. Phenology: vegetative only. 

Ronald L. Hartman, 28134.  8/23/1990. 		RM 583827	Barcode: RM0125427
_________________________________________________________________________

1418.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: West Slope Wind River Range: South Fork Fish Creek between Purdy and Hackamore Creeks.  Elev. 7750-7800 ft.
T42N R111W S25; also S26.  43.5731 N, 110.1208 W; uncertainty 2 mi..  
Meadows, gravel bars, and adjacent lodgepole pine forests. Phenology: vegetative only. 

Ronald L. Hartman, 28277.  8/25/1990. 		RM 583826	Barcode: RM0125426
_________________________________________________________________________

1419.  Equisetum arvense L. 				Equisetaceae

U.S.A., Oregon, Grant County: Umatilla National Forest and Vicinity: Forest Road 10 along Desolation Creek, ca 1 mi NE of Dale.  Elev. 2980 ft.
T7S R31E S1.  44 59' 36" N, 118 55' 45" W; GPS Reading.  zone 11, 4984020E, 347925N; GPS Reading.  
River and surrounding ponderosa pine forest in fine, deep, chocolate brown soil; slope 0-5; aspect riparian. Phenology: vegetative only. 

Heather Bradtke, 6871b.  6/26/2002. 		RM 
_________________________________________________________________________

1420.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: 1.5-2 air mi NW to N of Independence Mountain.  Elev. 9600-10400 ft.
T31N R104W S12.  42.6708 N, 109.1981 W; uncertainty 1 mi..  
Whitebark pine and spruce on rocky slopes. Phenology: vegetative only. 

Ronald L. Hartman, 31230.  8/19/1991. 		RM 583129	Barcode: RM0125501
_________________________________________________________________________

1421.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: West Slope Wind River Range: ca 4 air mi NW of Wyo Hwy 28 on road SW and paralleling Sweetwater River canyon.  Elev. 7500-7800 ft.
T28N R102W S10; also S11.  42.4125 N, 108.9744 W.  
Granitic/metamorphic canyon slopes and canyon bottom; canyon bottom. Phenology: vegetative only. 

Ronald L. Hartman, 31327.  8/21/1991. 		RM 583128	Barcode: RM0125500
     with Jonathan Hughes
_________________________________________________________________________

1422.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: West Slope Wind River Range: campground at junction of Sweetwater River and Clear Creek.  Elev. 7800-8000 ft.
T29N R102W S5.  42.5133 N, 109.0564 W; uncertainty 1 mi..  
Streamsides and slopes; streamsides. Phenology: vegetative only. 

Ronald L. Hartman, 31397.  8/21/1991. 		RM 583127	Barcode: RM0125499
     with Jonathan Hughes
_________________________________________________________________________

1423.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: West Slope Wind River Range: Wyo Hwy 28 at crossing of Pine Creek ca 5 air mi NNE of Sweetwater River.  Elev. 7800 ft.
T29N R101W S35.  42.4419 N, 108.8811 W.  
Marshy area and road fill. Phenology: vegetative only. 

Ronald L. Hartman, 31481.  8/21/1991. 		RM 583126	Barcode: RM0125498
     with Jonathan Hughes
_________________________________________________________________________

1424.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: Rock Creek, 3-5 mi W of Kendall Guard Station.  Elev. 8000-8400 ft.
T38N R110W S19; also S20, S28, and S29.  43.2411 N, 110.0919 W; uncertainty 3 mi..  
Streamside with lodgepole pine, Engelmann spruce, and willows; lower slopes with sandstone, shale, and limestone outcrops. Phenology: vegetative only. 

Ronald L. Hartman, 31815.  8/25/1991. 		RM 583125	Barcode: RM0125497
     with Jonathan Hughes
_________________________________________________________________________

1425.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: Red Mountain Area: 6-6.5 air mi S of summit of Jelm Mountain; along or adjacent to Maggie Creek.  Elev. 7860-8160 ft.
T12N R77W S13.  41.0092 N, 105.9853 W.  
Rolling sagebrush slopes and stream drainage. Phenology: spores. 

Ronald L. Hartman, 32409.  5/23/1992. 		RM 963968	Barcode: RM0227852
_________________________________________________________________________

1426.  Equisetum arvense L. 				Equisetaceae

U.S.A., Oregon, Grant County: Umatilla National Forest and Vicinity: Howards Meadow and East Fork Meadow Brook Creek, ca 2 mi S of Dale.  Elev. 3400 ft.
T7S R31E S14.  44 57' 35" N, 118 57' 23" W; GPS Reading.  zone 11, 4980330E, 345709N; GPS Reading.  
Meadow and wetland along creek in organic soil; slope 0; aspect none. Phenology: vegetative only. 

Heather Bradtke, 7063.  6/30/2002. 		RM 
_________________________________________________________________________

1427.  Equisetum arvense L. 				Equisetaceae

U.S.A., Oregon, Grant County: Umatilla National Forest and Vicinity: Desolation Creek, ca 9 mi S and 8 mi E of Dale.  Elev. 3400 ft.
T8S R33E S17; also S20.  44 52' 10" N, 118 46' 33" W; GPS Reading.  zone 11, 4969990E, 359713N; GPS Reading.  
Riparian area, spruce, grand fir dominant in organic to fine, deep, and powdery soil; slope 0-15; aspect none. Phenology: vegetative only. 

Heather Bradtke, 7160b.  6/30/2002. 		RM 
_________________________________________________________________________

1428.  Equisetum arvense L. 				Equisetaceae

U.S.A., Oregon, Grant County: Umatilla National Forest and Vicinity: Desolation Creek, ca 9 mi S and 8 mi E of Dale.  Elev. 3400 ft.
T8S R33E S17; also S20.  44 52' 10" N, 118 46' 33" W; GPS Reading.  zone 11, 4969990E, 359713N; GPS Reading.  
Riparian area, spruce, grand fir dominant in organic to fine, deep, and powdery soil; slope 0-15; aspect none. Phenology: spores. 

Heather Bradtke, 7161.  6/30/2002. 		RM 
_________________________________________________________________________

1429.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sheridan County: Big Horn Mountains: Bighorn National Forest: Boyd Ridge, ca 18 air mi W of Parkman.  Elev. 7000-7200 ft.
T58N R90W S35.  44.9594 N, 107.69389 W; uncertainty 1 mi..  
Moist aspen slopes and stream side. Phenology: vegetative only. 

Ronald L. Hartman, 9385.  6/25/1979. 		RM 349117	Barcode: RM0125965
     with Ann Odasz
_________________________________________________________________________

1430.  Equisetum arvense L. 				Equisetaceae

U.S.A., Washington, Asotin County: Umatilla National Forest and Vicinity: Menatchee Creek and Trail, ca 5 mi S and 12 mi W of Anatone.  Elev. 2580-2940 ft.
T7N R43E S11; also South1/2 S3 and S14.  46 4' 27" N, 117 23' 20" W to 46 5' 31" N, 117 23' 11" W; GPS Reading.  zone 11, 5102352E, 469924N; GPS Reading.  
Riparian areas; slope 0-5; aspect riparian. Phenology: vegetative only. 

Heather Bradtke, 7531b.  7/5/2002. 		RM 
_________________________________________________________________________

1431.  Equisetum arvense L. 				Equisetaceae

U.S.A., Washington, Asotin County: Umatilla National Forest and Vicinity: Menatchee Creek and Trail, ca 5 mi S and 12 mi W of Anatone.  Elev. 2580-2940 ft.
T7N R43E S11; also South1/2 S3 and S14.  46 4' 27" N, 117 23' 20" W to 46 5' 31" N, 117 23' 11" W; GPS Reading.  zone 11, 5102352E, 469924N; GPS Reading.  
Riparian areas; slope 0-5; aspect riparian. Phenology: vegetative only. 

Heather Bradtke, 7555.  7/5/2002. 		RM 
_________________________________________________________________________

1432.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: West Slope Wind River Range: banks of Sweetwater River, ca 3 air mi E of Little Sandy Lake, ca 45 air mi SE of Pinedale.  Elev. 9400-9600 ft.
T31N R102W S30; also S31.  42.6278 N, 109.0622 W.  
Wet, semi-shady banks of river.  Soil moist, sandy-loam. Phenology: vegetative only. 

Walter Fertig, 11101.  8/9/1991. 		RM 583132	Barcode: RM0125504
_________________________________________________________________________

1433.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: banks of small tributary stream of Gypsum Creek at base of north face of Gypsum Mountain, ca 29 air mi N of Pinedale.  Elev. 9500 ft.
T38N R109W S3.  43.2822 N, 109.9169 W; uncertainty 1 mi..  
Wet, rocky bank of intermittent stream above small pond. Phenology: vegetative only. 

Walter Fertig, 11427.  8/15/1991. 		RM 583131	Barcode: RM0125503
     with N. Duane Atwood
_________________________________________________________________________

1434.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: Boulter Lake, ca 30 air mi ESE of Pinedale.  Elev. 9255-9500 ft.
T32N R105W S24; also S25.  42.7289 N, 109.3161 W.  
Sandy, open, moist shore of lake. Phenology: vegetative only. 

Walter Fertig, 11786.  8/19/1991. 		RM 583130	Barcode: RM0125502
     with Jonathan Hughes
_________________________________________________________________________

1435.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: North shore of Porcupine Creek, adjacent to Porcupine Trail, ca 26.5 air mi N of Pinedale.  Elev. 8000-8040 ft.
T38N R108W S8.  43.2772 N, 109.8392 W.  
Engelmann spruce forest adjacent to stream. Phenology: vegetative only. 

Walter Fertig, 1984.  6/17/1990. 		RM 583842	Barcode: RM0125437
_________________________________________________________________________

1436.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: West Slope Wind River Range: Adjacent to F. S. Roads 30800 & 30790, ca 32 air mi NE of Jackson. AlsoS33.  Elev. 8520-8680 ft.
T43N R111W S28.  43.66 N, 110.1814 W.  
Wet roadside ditch at edge of clearcut and mature lodgepole pine stand. Phenology: spores. 

Walter Fertig, 2149.  6/21/1990. 		RM 583841	Barcode: RM0125968
_________________________________________________________________________

1437.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: New Fork River, ca .3 mi W of spillway of New Fork Lakes Dam, ca 16 air mi NNW of Pinedale.  Elev. 7800 ft.
T36N R110W S15; also S21 and S22..  43.0894 N, 109.9675 W; uncertainty 3 mi..  
Bank of New Fork River. Phenology: spores. 

Walter Fertig, 2215.  6/23/1990. 		RM 583840	Barcode: RM0125436
_________________________________________________________________________

1438.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: trail to New Fork Lookout Point, ca 19 air mi NNW of Pinedale.  Elev. 8360-9400 ft.
T36N R109W S1; also T36N R109W S6 and T37N R109W S33, 34.  43.1153 N, 109.8108 W.  
Open, marshy bank of mountain stream. Phenology: vegetative only. 

Walter Fertig, 2303.  6/23/1990. 		RM 583839	Barcode: RM0125971
_________________________________________________________________________

1439.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: adjacent to Skyline Drive, ca 10 air mi NE of Pinedale.  Elev. 9400 ft.
T35N R108W S16; also S17.  43.0036 N, 109.7508 W.  
Streambank and wet meadow. Phenology: vegetative only. 

Walter Fertig, 3292.  7/9/1990. 		RM 583838	Barcode: RM0125435
     with B. E. Nelson
_________________________________________________________________________

1440.  Equisetum arvense L. 				Equisetaceae

U.S.A., Oregon, Grant County: Umatilla National Forest and Vicinity: Vinegar Hill to Psyche Butte off Forest Road 2010; ca 7 mi E and 7 mi S of Granite.  Elev. 7300-7900 ft.
T10S R35E S7; also S8, S17; also S18 and T10S R34E S12.  44 42' 41" N, 118 33' 48" W to 44 42' 27" N, 118 32' 7" W to 44 42' 7" N, 118 31' 57" W to 44 42' 19" N, 118 3' 13" W; GPS Reading.  zone 11, 4951621E, 378378N; GPS Reading.  
In a spring in organic soil; slope 10-20; aspect north. Phenology: vegetative only. 

Heather Bradtke, 7913.  7/9/2002. 		RM 
_________________________________________________________________________

1441.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: West face of Osborn Mountain, ca 31 mi N of Pinedale.  Elev. 8600-9800 ft.
T39N R108W S32 also S33.  43.2989 N, 109.8378 W; uncertainty 2 mi..  
Limestone/shale talus draw, 25 feet deep. Phenology: vegetative only. 

Walter Fertig, 3687.  7/14/1990. 		RM 583837	Barcode: RM0125434
_________________________________________________________________________

1442.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: Adjacent to New Fork Lakes Trail and New Fork River at base of Dome Peak Mountain, ca 3 air mi NE of east shore of Upper New Fork Lake.  Elev. 8400 ft.
T37N R108W S31.  43.1294 N, 109.8606 W; uncertainty 1 mi..  
Swampy clearing. Phenology: vegetative only. 

Walter Fertig, 4074.  7/16/1990. 		RM 583836	Barcode: RM0125289
_________________________________________________________________________

1443.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: Lime Creek, ca 30 air mi NNW of Pinedale.  Elev. 7790-8480 ft.
T38N R110W S2; also S9 S10 S11.  43.2828 N, 110.0131 W.  
Grassy banks at confluence of Lime Creek and the Green River. Phenology: vegetative only. 

Walter Fertig, 4807.  7/28/1990. 		RM 583835	Barcode: RM0125433
_________________________________________________________________________

1444.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: confluence of Elbow Creek, Pixley Creek, and Green River, ca 25 air mi NNE of Pinedale.  Elev. 8040-8160 ft.
T38N R108W S36.  43.2172 N, 109.7594 W.  
Open bank of creek. Phenology: vegetative only. 

Walter Fertig, 4836.  7/30/1990. 		RM 583834	Barcode: RM0125432
_________________________________________________________________________

1445.  Equisetum arvense L. 				Equisetaceae

U.S.A., Oregon, Grant County: Malhuer National Forest and Vicinity: Forest Road 2010, ca 7 mi S and 7 mi W of Granite.  Elev. 6400 ft.
T10S R34E S13; also T10S R35E S18.  44 41' 40" N, 118 33' 17" W; GPS Reading.  zone 11, 4950195E, 376829N; GPS Reading.  
In a spring in organic soil; slope 10; aspect southeast. Phenology: vegetative only. 

Heather Bradtke, 8083.  7/11/2002. 		RM 
_________________________________________________________________________

1446.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: north shore of New Fork Lakes, ca 17 air mi N of Pinedale.  Elev. 7820 ft.
T36N R110W S11; also S12 and S15.  43.1031 N, 109.9478 W; uncertainty 3 mi..  
Submerged aquatics growing in Lake. Phenology: vegetative only. 

Walter Fertig, 5127.  8/2/1990. 		RM 583833	Barcode: RM0125431
_________________________________________________________________________

1447.  Equisetum arvense L. 				Equisetaceae

U.S.A., Oregon, Morrow County: Umatilla National Forest and Vicinity: Forest Road 5316 between Thompson and Ellis creeks, ca 6 mi N and 13 mi W of Dale.  Elev. 4200 ft.
T6S R29E S2; also S3.  45 4' 25" N, 119 11' 42" W; GPS Reading.  zone 11, 4993480E, 327227N; GPS Reading.  
Open riparian area in organic and rocky soil; slope 0-5; aspect south facing ravine. Phenology: vegetative only. 

Heather Bradtke, 8216.  7/13/2002. 		RM 
_________________________________________________________________________

1448.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: West Slope Wind River Range: Ridge between Little Devils Basin and Devils Basin, ca 37 air mi E of Jackson.  Elev. 9200-9680 ft.
T41N R110W S3; also T42N R110W S34.  43.5447 N, 110.0369 W.  
Open, wet clearing in lodgepole pine forest. Phenology: vegetative only. 

Walter Fertig, 6647.  8/23/1990. 		RM 583832	Barcode: RM0125423
_________________________________________________________________________

1449.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: Vicinity of Meeks Lake and Iron Creek Meadows, ca 1.25 air mi N of Big Sandy Campground, ca 30 air mi ESE of Pinedale. Also sec 8 and  Elev. 9100-9300 ft.
T31N R104W S5; T32N R104W S32.  42.685 N, 109.2758 W; uncertainty 2 mi..  
Shady lodgepole pine bog on east shore of Meeks Lake. Phenology: spores. 

Walter Fertig, 7465.  6/11/1991. 		RM 583140	Barcode: RM0125489
_________________________________________________________________________

1450.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: Vicinity of Dutch Joe Guard Station, ca 34 air mi SE of Pinedale.  Elev. 8470-8600 ft.
T31N R104W S33.  42.6136 N, 109.2564 W.  
Open, grassy banks of Dutch Joe Creek. Phenology: spores. 

Walter Fertig, 7522.  6/11/1991. 		RM 583139	Barcode: RM0125490
_________________________________________________________________________

1451.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: West Slope Wind River Range: Pine Creek, 0.5 mi W of Wyo Hwy 28, ca 3.5 air mi W of South Pass City.  Elev. 8000 ft.
T29N R101W S26; also S27.  42.4564 N, 108.8811 W.  
Willow thicket and wet meadow adjacent to creek. Phenology: vegetative only. 

Walter Fertig, 7690.  6/13/1991. 		RM 583138	Barcode: RM0125493
_________________________________________________________________________

1452.  Equisetum arvense L. 				Equisetaceae

U.S.A., Oregon, Morrow County: Umatilla National Forest and Vicinity: Kelly Prairie on Forest Road 53, ca 2 mi N and 17 mi W of Ukiah.  Elev. 5000 ft.
T5S R28E S1.  45 9' 50" N, 119 16' 40" W; GPS Reading.  zone 11, 5003681E, 320985N; GPS Reading.  
Prairie with organic to fine, deep, moist soil; slope 0; aspect none. Phenology: vegetative only. 

Heather Bradtke, 8323.  7/13/2002. 		RM 
_________________________________________________________________________

1453.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: Pole Creek drainage and adjacent ridges, between Fayette Lake and Half Moon Lake, ca 9 air mi NE of Pinedale.  Elev. 7600-9000 ft.
T34N R108W S1; also S2, S11, S12.  42.9456 N, 109.6911 W; uncertainty 3 mi..  
Semi-shady aspen/lodgepole pine forest adjacent to small stream. Phenology: spores. 

Walter Fertig, 8092.  6/18/1991. 		RM 583137	Barcode: RM0125492
_________________________________________________________________________

1454.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: South shore of Blueberry Lake, ca 13 air mi E Pinedale, ca 1 mi N of Boulder Creek.  Elev. 8480-9000 ft.
T34N R107W S34, 35.  42.8731 N, 109.6117 W; uncertainty 2 mi..  
Open canopy, wet sandy shore of lake. Phenology: vegetative only. 

Walter Fertig, 8286.  6/25/1991. 		RM 583136	Barcode: RM0125491
_________________________________________________________________________

1455.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: East shore of Little Sandy Lake, ca 42 air mi SE of Pinedale.  Elev. 9600 ft.
T31N R103W S27.  42.6283 N, 109.1206 W.  
Shady understory of lodgepole pine forest on southeast shore of lake. Phenology: vegetative only. 

Walter Fertig, 8406.  6/27/1991. 		RM 583135	Barcode: RM0125494
_________________________________________________________________________

1456.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: Scab Creek drainage, ca 17 air mi E of Pinedale.  Elev. 8000-8600 ft.
T33N R106W S19; also S20 & S29.  42.8153 N, 109.5536 W; uncertainty 3 mi..  
Densely shaded willow/aspen thicket on banks of Scab Creek.  Soil moist. Phenology: spores. 

Walter Fertig, 8641.  7/1/1991. 		RM 583134	Barcode: RM0125495
_________________________________________________________________________

1457.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: South Temple Creek basin, 1.5 air mi E of Big Sandy Lodge, ca 35 air mi ESE of Pinedale.  Elev. 9400-9800 ft.
T31N R104W S3.  42.685 N, 109.2369 W; uncertainty 1 mi..  
Open canopy marsh adjacent to small stream. Phenology: vegetative only. 

Walter Fertig, 9049.  7/12/1991. 		RM 583133	Barcode: RM0125496
_________________________________________________________________________

1458.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: Boulder Creek Canyon, due E of Boulder Lake, ca 14 air mi E of Pinedale.  Elev. 7400-7600 ft.
T33N R107W S1; also S2 and S3.  42.8583 N, 109.5733 W; uncertainty 3 mi..  
Shady, moist bank of Boulder Creek in birch/willow/Douglas fir woods. 

Walter Fertig, 9576.  7/17/1991. 		RM 
_________________________________________________________________________

1459.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Rattlesnake Hills: Burnt Wagon Draw, ca 6.5 air mi S of Poison Spider or County Road 210; ca 31.2 air mi SW of Casper.  Elev. 6500 ft.
T32N R84W S19 NE1/4.  42.7297 N, 106.944 W.  
Willow thicket and marsh surrounding drainage. Phenology: vegetative only. 

Amy J. Roderick, 5450.  6/23/1998. 		RM 666255	Barcode: RM0125553
_________________________________________________________________________

1460.  Equisetum arvense L. 				Equisetaceae

U.S.A., Washington, Columbia County: Umatilla National Forest and Vicinity: Tucannon River, to 1.5 mi off road on Tucannon River Trail, ca 3 mi N and 23 mi W of Anatone.  Elev. 3600 ft.
T8N R41E S12; also T8N R42E S7 in Garfield County.  46 11' 10" N, 117 36' 47" W; GPS Reading.  zone 11, 5114909E, 452689N; GPS Reading.  
Along shady river headwaters under spruce, Taxus, grand fir with fine, deep soil; slope 0, aspect none Phenology: vegetative only. 

Heather Bradtke, 8928.  7/19/2002. 		RM 
_________________________________________________________________________

1461.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Laramie County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along Horse Creek and bluffs to the north, ca 4.5 air mi S of Indian Hill, ca 24.5 air mi N of Cheyenne.  Elev. 5690-5800 ft.
T17N R66W S3 NE1/4.  41.4726 N, 104.7512 W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO!.  
Benches, streambank, and old sandbars. Phenology: vegetative only. 

B. E. Nelson, 31556.  6/15/1994. 		RM 663731	Barcode: RM0125992
_________________________________________________________________________

1462.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along Bear Creek ca 0.5 mi below the mouth of Spring Run, ca 17.3 air mi W of LaGrange; ca 33 air mi SSW of Torrington.  Elev. 4970 ft.
T19N R64W S12 SW1/4.  41.6273 N, 104.49 W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO!.  
Woodland in the stream bottom. Phenology: vegetative only. 

B. E. Nelson, 33328.  8/2/1994. 		RM 663730	Barcode: RM0125344
     with Timothy W. Chumley and Robbin Romberg
_________________________________________________________________________

1463.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along Chugwater Creek SE of Degans Butte, ca 7.5-8.5 air mi SW of Chugwater; ca 25 air mi S of Wheatland.  Elev. 5540-5580 ft.
T20N R68W S24.  41.6911 N, 104.9492 W.  
Moist to wet meadows in the stream bottom. Phenology: vegetative only. 

B. E. Nelson, 33434.  8/3/1994. 		RM 663729	Barcode: RM0125343
     with Tim Chumley and Robbin Romberg
_________________________________________________________________________

1464.  Equisetum arvense L. 				Equisetaceae

U.S.A., Washington, Garfield County: Umatilla National Forest and Vicinity: Tumalum Creek, ca 3/4 mi W of Rose Springs, ca 3 mi S and 22 mi E of Dayton.  Elev. 4400-5000 ft.
T9N R42E S8.  46 16' 27" N, 117 34' 13" W; GPS Reading.  zone 11, 5124687E, 456071N; GPS Reading.  
Headwaters of creek, spruce dominated overstory with Linnaea and Tiarella understory. Phenology: vegetative only. 

Heather Bradtke, 9557.  7/27/2002. 		RM 
_________________________________________________________________________

1465.  Equisetum arvense L. 				Equisetaceae

U.S.A., Washington, Columbia County: Umatilla National Forest and Vicinity: Colony Creek, ca 6 mi S and 17 mi E of Dayton.  Elev. 4900-5000 ft.
T9N R41E S26.  46 13' 55" N, 117 38' 14" W; GPS Reading.  zone 11, 5120017E, 450873N; GPS Reading.  
Brown powdery soil; aspect northwest. Phenology: vegetative only. 

Heather Bradtke, 9618.  7/25/2002. 		RM 
_________________________________________________________________________

1466.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: Gros Ventre Area: North Beaver Creek; ca 12 air mi E of Boundurant.  Elev. 8500-8700 ft.
T37N R111W S3.  43.2054 N, 110.1573 W; uncertainty 1 mi..  
Spruce and lodgepole pine forests and meadows along creek Phenology: vegetative only. 

Ronald L. Hartman, 46294.  6/23/1994. 		RM 624531	Barcode: RM0125927
_________________________________________________________________________

1467.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: Gros Ventre Area: Miner Creek; ca 12 air mi ESE of Bondurant.  Elev. 8100-8200 ft.
T37N R111W S29.  43.1475 N, 110.1965 W; uncertainty 1 mi..  
Shaley and sandy slopes, willow bottoms, and spruce forest. Phenology: vegetative only. 

Ronald L. Hartman, 46401.  6/23/1994. 		RM 624532	Barcode: RM0125928
_________________________________________________________________________

1468.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Gros Ventre Area: Cache Creek; ca 2-3.5 air mi SE of center of Jackson.  Elev. 6400-6700 ft.
T40N R116W S1 W1/2; also S2.  43.4568 N, 110.7044 W; uncertainty 2 mi..  
Stream margins with blue spruce and open slopes. Phenology: vegetative only. 

Ronald L. Hartman, 47625.  7/10/1994. 		RM 624562	Barcode: RM0125930
_________________________________________________________________________

1469.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Gros Ventre Area: Granite Creek Hot Springs, N along trail and creek ca 1 air mi.  Elev. 7000-7200 ft.
T39N R113W S6 N1/2; also T40N R113W SE1/4 S31.  43.371 N, 110.4498 W; uncertainty 2 mi..  
Coniferous forests, meadows, and streamside. Phenology: vegetative only. 

Ronald L. Hartman, 48184.  7/26/1994. 		RM 624563	Barcode: RM0125931
_________________________________________________________________________

1470.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: Green River Basin: Boulder Creek, 0.5 air mi NW of Boulder.  Elev. 7000 ft.
T32N R108W S9 South1/4.  42.7572 N, 109.7233 W; uncertainty 1 mi..  
Streamside, marshy areas, and beneath Populus angustifolia. Phenology: vegetative only. 

Ronald L. Hartman, 48714.  7/30/1994. 		RM 633395	Barcode: RM0125479
     with Tom Cramer
_________________________________________________________________________

1471.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: Green River Basin: New Fork River, ca 10 air mi SW of Boulder, from old wooden bridge NE to section line.  Elev. 6850-6900 ft.
T31N R110W S28 W1/4; also E1/4 S29.  42.6328 N, 109.9564 W; uncertainty 1 mi..  
Streamside and slope. Phenology: vegetative only. 

Ronald L. Hartman, 48825.  7/30/1994. 		RM 633394	Barcode: RM0125478
     with Thomas Cramer
_________________________________________________________________________

1472.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Gros Ventre Area: southwest end and side of Lower Slide Lake.  Elev. 6900 ft.
T42N R114W S4 SW1/4; also SE1/4 S5.  43.634 N, 110.5366 W; uncertainty 1 mi..  
Shore line and lower wooded slopes. Phenology: vegetative only. 

Ronald L. Hartman, 49649.  8/19/1994. 		RM 624564	Barcode: RM0125932
_________________________________________________________________________

1473.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Gros Ventre Area: Alkali Creek from Gros Ventre River Road to river and down stream ca 0.5 air mi.  Elev. 7200-7300 ft.
T42N R113W S14 SW1/4; also NW1/4 S23.  43.6052 N, 110.3772 W; uncertainty 1 mi..  
Stream and river sides. Phenology: vegetative only. 

Ronald L. Hartman, 49697.  8/19/1994. 		RM 624565	Barcode: RM0125933
_________________________________________________________________________

1474.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: Gros Ventre Area: trail to Cream Puff Peak; ca 0.5-2 air mi from trail head, between Bear and Bull Creeks.  Elev. 6400-8200 ft.
T39N R114W S30; also NE1/4 S31 and SW1/4 S32.  43.3138 N, 110.5673 W; uncertainty 3 mi..  
Coniferous forests, open slopes, and meadows. Phenology: vegetative only. 

Ronald L. Hartman, 49823.  8/20/1994. 		RM 624566	Barcode: RM0125934
_________________________________________________________________________

1475.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Gros Ventre Area: confluence of Flat Creek and the Snake River; ca 6 air mi S of Jackson.  Elev. 6000 ft.
T40N R116W S34 NW1/4.  43.3853 N, 110.7435 W; uncertainty 0.5 mi..  
Along waterway and upslope. Phenology: vegetative only. 

Ronald L. Hartman, 49952.  8/22/1994. 		RM 624567	Barcode: RM0125935
_________________________________________________________________________

1476.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along Bear Creek off Marsh or County Road 151, ca 17.5 air mi SW of Chugwater.  Elev. 5010-5050 ft.
T19N R64W S15.  41.6221 N, 104.529 W; NAD 83, uncertainty 0.5 mi., Nat. Geog. TOPO!.  
Along creek. Phenology: vegetative only. 

Timothy W. Chumley, 435.  8/26/1994. 		RM 663728	Barcode: RM0125342
_________________________________________________________________________

1477.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: Green River Basin: bank of Green River just S of Bridger-Teton Forest Boundary, ca 19 air mi N of Cora.  Elev. 7640 ft.
T38N R110W S35 NE1/4 of NE1/4; also NW1/4 of NW1/4 S36.  43.2119 N, 110.0131 W; uncertainty 0.5 mi..  
Riverside willows, meadow, and adjacent sagebrush. Phenology: vegetative only. 

Thomas Cramer, 1386.  6/30/1994. 		RM 633499	Barcode: RM0125477
     with Jane T. Kellett
_________________________________________________________________________

1478.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Fremont County: Green River Basin: West Willow Creek and vicinity, ca 2.5 air mi NW of South Pass City.  Elev. 8100-8450 ft.
T29N R100W S18 NW1/4; also T29N R101W NE1/4 S13.  42.4856 N, 108.8419 W.  
Sagebrush hillsides, streamsides, meadows, and granite outcrops. Phenology: spores. 

Thomas Cramer, 1709.  7/7/1994. 		RM 633498	Barcode: RM0125355
     with Jane T. Kellett
_________________________________________________________________________

1479.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: Green River Basin: ca 1 air mi NE of Big Sandy.  Elev. 7480-7600 ft.
T31N R106W S14 S1/4; also N1/8 S23.  42.6544 N, 109.4508 W; uncertainty 1 mi..  
Dry creekbed with adjacent meadows, willow stands, and sagebrush hillsides. Phenology: spores. 

Thomas Cramer, 1981.  7/11/1994. 		RM 642615	Barcode: RM0125465
     with Jane T. Kellett
_________________________________________________________________________

1480.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Lincoln County: Green River Basin: east end of Fontenelle Gap, ca 15 air mi W of Fontenelle Reservoir.  Elev. 7000 ft.
T24N R115W S2 NW1/4; also NE1/4 S3.  42.0931 N, 110.4189 W; uncertainty 1 mi..  
Creekside meadows, willow thickets, and rockslides. Phenology: vegetative only. 

Thomas Cramer, 2752b.  8/4/1994. 		RM 633497	Barcode: RM0125476
_________________________________________________________________________

1481.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: Green River Basin: edge of Green River, ca 1 air mi N of La Barge.  Elev. 6580 ft.
T27N R112W S31 SE1/4; also SW1/4 S32.  42.274 N, 110.1913 W; uncertainty 0.5 mi..  
Riverside mudflats, meadows, and willows. Phenology: vegetative only. 

Thomas Cramer, 2857.  8/4/1994. 		RM 633496	Barcode: RM0125475
_________________________________________________________________________

1482.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: Green River Basin: ca 4.5 air mi NW of Big Sandy.  Elev. 7170 ft.
T31N R106W S5 NW1/4.  42.6839 N, 109.5092 W.  
Roadside ditches between irrigated fields. Phenology: vegetative only. 

Thomas Cramer, 2911.  8/6/1994. 		RM 633495	Barcode: RM0125474
_________________________________________________________________________

1483.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: Green River Basin: Dutch Joe Creek just S of Bridger-Teton National Forest, ca 2.5 air mi NNE of Leckie.  Elev. 8300-8400 ft.
T30N R104W S4 W1/4; also E1/4 S5.  42.5986 N, 109.2547 W; uncertainty 1 mi..  
Creekside meadows and lodgepole pine. Phenology: vegetative only. 

Thomas Cramer, 2965.  8/6/1994. 		RM 642614	Barcode: RM0125354
_________________________________________________________________________

1484.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: Green River Basin: Blucher Creek just S of Bridger-Teton National Forest, ca 12 air mi E of Buckskin Crossing.  Elev. 8300-8600 ft.
T30N R103W S21 NE1/4; also W1/4 S22.  42.5564 N, 109.1386 W.  
Creekside meadows, sagebrush, and lodgepole pine stands. Phenology: vegetative only. 

Thomas Cramer, 3078.  8/6/1994. 		RM 633494	Barcode: RM0125473
_________________________________________________________________________

1485.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Las Animas County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Spanish Peaks: ca 0.8 air mi SE of Cordova Pass (Apishapa Pass) and ca 2.8 air mi SW of West Spanish Peak; ca 11.3 air mi S of La Veta.  Elev. 11000-11400 ft.
T31S R68W S17 SE1/4.  37.3456 N, 105.0197 W.  
Logged area and open spruce-fir-bristlecone pine forest. Phenology: vegetative only. 

B. E. Nelson, 44038.  6/26/1998. 		RM 828618
     with Brian Elliott
_________________________________________________________________________

1486.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Lincoln County: Green River Basin: Green River at Slate Creek confluence, ca 1/2 air mi NE of Fontenelle.  Elev. 6400 ft.
T23N R111W S7 W1/2; also T23N R112W NE1/4 S12.  41.9883 N, 110.0442 W; uncertainty 1 mi..  
Riverside beneath shale bluff, surrounding greasewood and rabbitbrush desert. Phenology: vegetative only. 

Thomas Cramer, 3133b.  8/8/1994. 		RM 633493	Barcode: RM0125472
_________________________________________________________________________

1487.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: Green River Basin: Warren Bridge, ca 9 air mi N of Daniel Junction.  Elev. 7500 ft.
T35N R111W S8 NE1/4; also N1/2 S9.  43.0186 N, 110.1233 W.  
Riverside meadows, willows, and sagebrush. Phenology: vegetative only. 

Thomas Cramer, 3359.  8/10/1994. 		RM 633492	Barcode: RM0125471
_________________________________________________________________________

1488.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: Green River Basin: South Rim, ca 8 air mi NW of Warren Bridge.  Elev. 7400-8500 ft.
T36N R112W S9 N1/2; also W1/2 S4 and N1/2 S5.  43.1036 N, 110.2244 W.  
Douglas fir and lodgepole pine forest hillside, ridgetop meadows, and bottom sagebrush wetlands. Phenology: vegetative only. 

Thomas Cramer, 3415.  8/10/1994. 		RM 642613	Barcode: RM0125468
_________________________________________________________________________

1489.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: Green River Basin: picnic area on Prairie Creek on the north edge of Daniel.  Elev. 7200 ft.
T34N R111W S35 SW1/4; also T33N R111W NW1/4 S2.  42.8663 N, 110.0685 W; uncertainty 0.25 mi..  
Cottonwood picnic area and willowed creekside. Phenology: vegetative only. 

Thomas Cramer, 3525.  8/12/1994. 		RM 633491	Barcode: RM0125470
_________________________________________________________________________

1490.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Custer County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Sangre de Cristo Range: Rainbow Trail from Gibson to Swift creeks, ca 2.5 air mi NE of Spread Eagle Peak, ca 6 air mi W of Westcliffe.  Elev. 9100-9500 ft.
T45N R12E S13; also S24.  38.1549 N, 105.5918 W.  
Stony meadows, mixed conifer forest, and along a stream. Phenology: vegetative only. 

B. E. Nelson, 44152.  6/27/1998. 		RM 828617
     with Charity Hall, Brian Jacobs, and Alex Morgan
_________________________________________________________________________

1491.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Twin Creek, ca 3.5 air mi W of Nugget.  Elev. 6400 ft.
T21N R119W S11 NE1/4; also SE1/4 S2.  41.8078 N, 110.8956 W.  
Creek edges in ten foot deep creek cut through sagebrush surroundings. Phenology: vegetative only. 

Thomas Cramer, 4565.  8/23/1994. 		RM 646272	Barcode: RM0125462
     with Ronald L. Hartman
_________________________________________________________________________

1492.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Las Animas County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Purgatoire River; E on County Road 75 from Exit 18 on I-25.  Elev. 5870 ft.
T32S R63W S33 W1/4.  37.2146 N, 104.4574 W.  
Riparian. Phenology: vegetative only. 

Brian Elliott, 1010.  6/4/1998. 		RM 828636
     with Kenneth Elliott
_________________________________________________________________________

1493.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Custer County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountains: North Creek Picnic Ground on the North Creek Road, ca 3 road mi from junction of County Road 387.  Elev. 7350 ft.
T22S R69W S24 SE1/4.  38.1227 N, 105.0504 W.  
Riparian with Abies concolor and Pinus edulis. Phenology: vegetative only. 

Brian Elliott, 1186.  6/10/1998. 		RM 828635
_________________________________________________________________________

1494.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sublette County: Green River Basin: Irish Canyon at Bridger-Teton National Forest border, ca 5.5 air mi ENE of Big Sandy.  Elev. 8000-8200 ft.
T31N R105W S9 NW1/4.  42.6733 N, 109.3727 W; uncertainty 0.5 mi..  
Steep and wet meadowed drainage bottom between Douglas fir sides. Phenology: vegetative only. 

Thomas Cramer, 9346.  7/25/1995. 		RM 668171	Barcode: RM0125910
     with Jane T. Kellett
_________________________________________________________________________

1495.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Crook County: Black Hills: Bear Lodge Mountains: at the mouth of Twomile Creek on North Redwater Creek, ca 4.3 air mi W of Farrall, ca 12.5 air mi N of Sundance.  Elev. 4400 ft.
T53N R62W S18.  44.58194 N, 104.3464 W; uncertainty 1 mi..  
Edge of stream and sand bars. Phenology: vegetative only. 

B. E. Nelson, 11865.  9/13/1984. 		RM 370912	Barcode: RM0125348
_________________________________________________________________________

1496.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Saguache County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: San Luis Valley: on GG Road to Hot Springs Trailhead, W of junction of Colo Hwy 17 and U.S. Hwy 285.  Elev. 8400-8900 ft.
T45N R10E S1 SE1/4; also E1/4 S12 and R11E SW1/4 S6; also W1/2 S7.  38.1825 N, 105.8144 W.  
Prairie, pinyon, and riparian. Phenology: vegetative only. 

Brian Elliott, 1491.  6/12/1998. 		RM 828634
_________________________________________________________________________

1497.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Custer County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountain Valley: from Colo Hwy 69 W on Hermit Road, W of Westcliffe.  Elev. 8100 ft.
T22S R73W S21 S1/4; also N1/4 S28.  38.1227 N, 105.5481 W.  
By a small pond; pasture. Phenology: vegetative only. 

Brian Elliott, 1570.  6/13/1998. 		RM 828633
_________________________________________________________________________

1498.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Crook County: Black Hills: Sand Creek at Sand Creek Crossing, ca 9 air mi S of Beulah.  Elev. 5000 ft.
T51N R60W S18.  44.4045 N, 104.1027 W.  
Along creek. Phenology: spores. 

Hollis Marriott, 11185.  6/22/1990. 		RM 710241	Barcode: RM0125967
_________________________________________________________________________

1499.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Fremont County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: on County Road 1A, ca 0.5 mi from south edge of Cotopaxi.  Elev. 6600 ft.
T48N R12E S31 SW1/4.  38.3622 N, 105.6845 W.  
Pinyon. Phenology: vegetative only. 

Brian Elliott, 1638.  6/13/1998. 		RM 828632
_________________________________________________________________________

1500.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Crook County: Black Hills: Bear Lodge Mountains: Carlson Ridge; ca 4.2 air mi E of Alva.  Elev. 4600 ft.
T54N R63W S12 NE1/4; and T54N R62W S7 NW1/4.  44.6839 N, 104.3669 W; uncertainty 0.5 mi..  
North slope of ridge; birch woods. Phenology: spores. 

Hollis Marriott, 2119.  5/20/1983. 		RM 370890	Barcode: RM0125374
_________________________________________________________________________

1501.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Crook County: Black Hills: Bear Lodge Mountains, East Fork Blacktail Creek; ca 9.4 air mi SE of Hulett.  Elev. 4700 ft.
T53N R64W S24 SE1/4.  44.5661 N, 104.48778 W; uncertainty 0.5 mi..  
Wet ground around beaver pond. Phenology: spores. 

Hollis Marriott, 2312.  5/24/1983. 		RM 370904	Barcode: RM0125364
_________________________________________________________________________

1502.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Crook County: Black Hills: (Snider Ranch), upper Corral Creek drainage ca 14 air mi W of Sundance.  Elev. 4500 ft.
T51N R65W S10 SE1/4; also SW1/4 S11 and NW1/4 S14.  44.4203 N, 104.64861 W; uncertainty 3 mi..  
Open, grassy south and east facing slopes. Phenology: vegetative only. 

Hollis Marriott, 2415.  5/27/1983. 		RM 370905	Barcode: RM0125365
_________________________________________________________________________

1503.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Crook County: Black Hills: Bear Lodge Mountains, N Redwater Creek, ca 7.2 air mi SW of Aladdin.  Elev. 4300 ft.
T53N R62W S16 SE1/4.  44.58194 N, 104.3053 W; uncertainty 0.5 mi..  
Stream margin, birch woods. Phenology: spores. 

Hollis Marriott, 2497.  5/31/1983. 		RM 370891	Barcode: RM0125351
_________________________________________________________________________

1504.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Crook County: Black Hills: Bear Lodge Mountains, N Redwater Creek, ca 7.2 air mi SW of Aladdin.  Elev. 4300 ft.
T53N R62W S16 SE1/4.  44.58194 N, 104.3053 W; uncertainty 0.5 mi..  
Stream margin, birch woods. Phenology: spores. 

Hollis Marriott, 2497.  5/31/1983. 		RM 382119	Barcode: RM0125352
_________________________________________________________________________

1505.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Crook County: Black Hills: Redwater Creek, Queen Ranch, ca 7 air mi SSW of Aladdin.  Elev. 4100 ft.
T53N R62W S25 NW1/4 of; and NE1/4 of S26.  44.553 N, 104.24333 W; uncertainty 1 mi..  
Decidous woods in draw, stream margin. Phenology: vegetative only. 

Hollis Marriott, 2563.  5/31/1983. 		RM 370906	Barcode: RM0125366
_________________________________________________________________________

1506.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Crook County: Black Hills: Government Valley, ca 8.2 air mi NNE of Sundance.  Elev. 4600 ft.
T52N R62W S4 SW1/4.  44.52361 N, 104.30833 W; uncertainty 1 mi..  
Birch woods along creek. Phenology: vegetative only. 

Hollis Marriott, 2648.  6/6/1983. 		RM 370907	Barcode: RM0125345
_________________________________________________________________________

1507.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Crook County: Black Hills: Redwater Creek, W. H. Vore Ranch, ca 3.6 air mi WNW of Beulah.  Elev. 3600 ft.
T53N R61W S26 NW1/4 of; and NE1/4 of S27.  44.5533 N, 104.14028 W; uncertainty 1 mi..  
Deciduous woods along stream. Phenology: vegetative only. 

Hollis Marriott, 2695.  6/7/1983. 		RM 370908	Barcode: RM0125377
_________________________________________________________________________

1508.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Crook County: Black Hills: Bear Lodge Mountain: upper East Creek drainage ca 5 air mi NNE of Alva.  Elev. 4000 ft.
T55N R63W S10 SE1/4; also SW1/4 S11.  44.7703 N, 104.4086 W; uncertainty 1 mi..  
Birch woods along creek. Phenology: vegetative only. 

Hollis Marriott, 2961.  6/14/1983. 		RM 370892	Barcode: RM0125375
_________________________________________________________________________

1509.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Crook County: Black Hills: Goldie Divide near junction of Goldie and New Haven Roads, Ista Ranch; ca 5 air mi NW of Hulett.  Elev. 4500 ft.
T55N R65W S28 W1/2; and E1/2 S29.  44.7233 N, 104.6703 W; uncertainty 1 mi..  
Along creek below reservoir in pine-oak forest. Phenology: vegetative only. 

Hollis Marriott, 3093.  6/15/1983. 		RM 370895	Barcode: RM0125358
_________________________________________________________________________

1510.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Crook County: Black Hills: Bear Lodge Mountains: Lytle Creek and Newton Hill, ca 8.6 air mi ESE of Devils Tower.  Elev. 4500 ft.
T53N R64W S32 NE1/4.  44.5358 N, 104.5689 W; uncertainty 1 mi..  
Near spring in pine-oak forest. Phenology: vegetative only. 

Hollis Marriott, 3332.  6/21/1983. 		RM 370893	Barcode: RM0125373
_________________________________________________________________________

1511.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Crook County: Black Hills: Dugout Gulch ca 5.5 air mi S of Beulah.  Elev. 4300 ft.
T52N R60W S30 W1/2.  44.4661 N, 104.10278 W; uncertainty 1 mi..  
Wet meadow (old beaver ponds). Phenology: vegetative only. 

Hollis Marriott, 3774.  6/28/1983. 		RM 370909	Barcode: RM0125353
_________________________________________________________________________

1512.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Crook County: Black Hills: Bear Lodge Mountains: Cook Lake, ca 7.2 air mi SSE of Alva.  Elev. 4750 ft.
T53N R63W S10 South1/2.  44.5958 N, 104.4072 W; uncertainty 1 mi..  
Wet draws off Taylor Drive, pine-aspen-birch forest. Phenology: vegetative only. 

Hollis Marriott, 3824.  7/3/1983. 		RM 370894	Barcode: RM0125359
_________________________________________________________________________

1513.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Crook County: Black Hills: Bear Lodge Mountains: headwaters of Oak Creek, Cliff Spring, ca 3.4 air mi E of Alva.  Elev. 4600 ft.
T54N R63W S1 South1/2.  44.6986 N, 104.3669 W; uncertainty 1 mi..  
Pine-oak-aspen forest near spring. Phenology: vegetative only. 

Hollis Marriott, 4144.  7/7/1983. 		RM 370896	Barcode: RM0125357
_________________________________________________________________________

1514.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Crook County: Black Hills: North Redwater Creek at Farrall, ca 13 air mi NNE of Sundance.  Elev. 4000 ft.
T53N R62W S14 SE1/4.  44.58194 N, 104.2639 W; uncertainty 1 mi..  
Deciduous woods along creek. Phenology: vegetative only. 

Hollis Marriott, 4404.  7/12/1983. 		RM 370897	Barcode: RM0125356
_________________________________________________________________________

1515.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Crook County: Black Hills: Miller Creek, Garman Ranch; ca 9.5 air mi SSE of Devils Tower.  Elev. 4300 ft.
T52N R65W S23 SE1/4; and NE1/4 S26.  44.47639 N, 104.6328 W; uncertainty 1 mi..  
Deciduous woods along creek. Phenology: vegetative only. 

Hollis Marriott, 4581.  7/14/1983. 		RM 370898	Barcode: RM0125421
_________________________________________________________________________

1516.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Crook County: Black Hills: Bear Lodge Mountains: headwaters of Slaybaugh Creek along Forest Road 845, ca 7 air mi S of Alva.  Elev. 5000 ft.
T53N R63W S7 SE1/4.  44.5981 N, 104.4644 W.  
Spring in birch woods. Phenology: vegetative only. 

Hollis Marriott, 5108.  7/26/1983. 		RM 370899	Barcode: RM0125376
_________________________________________________________________________

1517.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Las Animas County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Park Plateau: Long Canyon on south side of Trinidad Reservoir.  Elev. 6300 ft.
T34S R64W S6 NW1/4.  37.1126 N, 104.6025 W.  
Riparian; pinyon-juniper. Phenology: vegetative only. 

Brian Elliott, 1951.  6/16/1998. 		RM 828631
_________________________________________________________________________

1518.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Crook County: Black Hills: Sand Creek above Spottedtail Gulch; ca 14.5 air mi E of Sundance.  Elev. 5300 ft.
T51N R60W S21.  44.3942 N, 104.0622 W; uncertainty 1 mi..  
Creek bottom in pine forest, near stream. Phenology: spores. 

Hollis Marriott, 6815.  6/16/1984. 		RM 370900	Barcode: RM0125360
_________________________________________________________________________

1519.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Chaffee County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Sawatch Range: on County Road 202 from Mears Junction, S of Poncha Springs.  Elev. 8900 ft.
T48N R7E S13 NE1/4.  38.4036 N, 106.1483 W.  
North-facing slopes with ponderosa pine and Engelmann spruce. Phenology: vegetative only. 

Brian Elliott, 2106.  6/18/1998. 		RM 828630
_________________________________________________________________________

1520.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Crook County: Black Hills: Sand Creek, ca .5 air mi S of Beulah.  Elev. 3700 ft.
T53N R60W S31; also S32.  44.5392 N, 104.0989 W; uncertainty 2 mi..  
Stream margin on mud. Phenology: vegetative only. 

Hollis Marriott, 7097.  6/23/1984. 		RM 370910	Barcode: RM0125346
_________________________________________________________________________

1521.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Crook County: Black Hills: Inyan Kara Creek, ca 5.7 air mi WNW of Inyan Kara Mountain.  Elev. 4600 ft.
T49N R63W S7.  44.245 N, 104.4675 W; uncertainty 1 mi..  
Creek bottom in grassland-- on mud at edge of creek. Phenology: vegetative only. 

Hollis Marriott, 8252.  7/30/1984. 		RM 370911	Barcode: RM0125347
_________________________________________________________________________

1522.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Crook County: Devils Tower National Monument: below Spring #3.  Elev. 3900 ft.
T53N R66W S13.  44.584 N, 104.7258 W; uncertainty 1 mi..  
Occasional on moist-well soil in shady draw with Quercus macrocarpa. Phenology: vegetative only. 

Hollis Marriott, 854.  7/23/1981. 		RM 336069	Barcode: RM0125350
_________________________________________________________________________

1523.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Culebra Range: San Isabel National Forest: Spring Creek Trailhead, on Forest Road 414, S of Cuchara.  Elev. 9000 ft.
T31S R69W S4 SW1/4; also NW1/4 S9.  37.3747 N, 105.1104 W.  
Engelmann spruce. Phenology: vegetative only. 

Brian Elliott, 2271.  6/20/1998. 		RM 828629
_________________________________________________________________________

1524.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Crook County: Black Hills: Inyan Kara Mountain (east half); ca 13.5 air mi S of Sundance.  Elev. 5300 ft.
T49N R62W S30.  44.20139 N, 104.3447 W; uncertainty 1 mi..  
Reservoir in grassland east fo mountain, on banks. Phenology: vegetative only. 

Hollis Marriott, 9144.  8/18/1984. 		RM 370901	Barcode: RM0125361
_________________________________________________________________________

1525.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Crook County: Bear Lodge Mountains: Beaver Creek.  Elev. 5000 ft.
T53N R63W S27.  44.5503 N, 104.4112 W; uncertainty 1 mi..  
Seepage area associated with Carex and Juncus; sparce abundance. Phenology: vegetative only. 

Robert D. Dorn, 1452.  8/29/1971. 		RM 288716
_________________________________________________________________________

1526.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Crook County: Sand Creek.  Elev. 3600 ft.
T42N R60W S8.  43.6283 N, 104.0936 W; uncertainty 1 mi..  
Stream bank with Vitis and Toxicodendron. Phenology: vegetative only. 

Robert D. Dorn, 3758.  7/25/1982. 		RM 339472
_________________________________________________________________________

1527.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Weston County: Newcastle.  Elev. 4300 ft.
T45N R61W S29.  
Wet drainageway with Salix exigua, Solidago. Phenology: vegetative only. 

Robert D. Dorn, 3977.  7/6/1997. 		RM 621770
_________________________________________________________________________

1528.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Custer County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Sangre de Cristo Range: San Isabel National Forest: ca 0.7 mi on Forest Road 300, W of Lutheran Camp and S of Hillside.  Elev. 8800 ft.
T46N R12E S5 SW1/4; also SE1/4 S6.  38.2654 N, 105.666 W.  
Riparian with Picea engelmannii and Abies concolor on north slope, and Pinus ponderosa and Quercus gambellii on south slope. Phenology: vegetative only. 

Brian Elliott, 2450.  6/22/1998. 		RM 828628
_________________________________________________________________________

1529.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Crook County: Powder River Basin: Little Missouri River: ca 21 air mi NNE of Hulett.  Elev. 3500 ft.
T58N R64W S36.  44.9744 N, 104.48472 W; uncertainty 1 mi..  
River bottoms, hay field margins, and ash woodlands; riverbottom. Phenology: vegetative only. 

Ronald L. Hartman, 15786.  7/11/1983. 		RM 370902	Barcode: RM0125362
_________________________________________________________________________

1530.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Crook County: Black Hills: Geis Springs and vicinity, ca 5 air mi E of Alva.  Elev. 4700 ft.
T54N R62W S7.  44.68444 N, 104.3464 W; uncertainty 1 mi..  
Ponds and pond margins and adjacent oak woodlands and prairies; pond margin. Phenology: vegetative only. 

Ronald L. Hartman, 16094.  7/13/1983. 		RM 370913	Barcode: RM0125349
_________________________________________________________________________

1531.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Crook County: Black Hills: Beaver Creek; ca 6.5 air mi NNW of Alva.  Elev. 3800 ft.
T55N R64W S1.  44.7847 N, 104.48833 W; uncertainty 1 mi..  
Wooded creek bottoms, prairie, sandy slopes below rock outcrop, and roadside; stream side. Phenology: vegetative only. 

Ronald L. Hartman, 16497.  7/18/1983. 		RM 370903	Barcode: RM0125363
_________________________________________________________________________

1532.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Las Animas County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Culebra Range: Colo Hwy 12 S of Cuchara Pass, just E of Purgatory Campground on Forest Road 411 or North Fork Road.  Elev. 9620 ft.
T32S R69W S21 NE1/4.  37.2437 N, 105.1104 W.  
Riparian with Picea engelmannii. Phenology: vegetative only. 

Brian Elliott, 2655.  6/24/1998. 		RM 828627
_________________________________________________________________________

1533.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Custer County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountains: North Creek Trailhead on Forest Road 383, N of San Isabel.  Elev. 9360 ft.
T22S R69W S28 E1/2.  38.1081 N, 105.1089 W.  
Riparian with Picea and Abies. Phenology: vegetative only. 

Brian Elliott, 2919.  6/28/1998. 		RM 828626
_________________________________________________________________________

1534.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Pueblo County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountains: on Forest Road 320, S of San Isabel.  Elev. 8000 ft.
T24S R68W S8 SE1/4; also W1/2 S9.  37.9767 N, 105.0174 W.  
Small campground with Picea and Abies. Phenology: vegetative only. 

Brian Elliott, 2983.  6/28/1998. 		RM 829368
_________________________________________________________________________

1535.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Saguache County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Sangre de Cristo Range: E of Colo Hwy 17 on County Road AA to Wild Cherry Creek, ca 1.5 mi from trailhead, S of Mineral Hot Springs, N of Alamosa.  Elev. 8800 ft.
T45N R11E S33 SW1/4.  38.1134 N, 105.7587 W.  
Pinyon-juniper and riparian. Phenology: vegetative only. 

Brian Elliott, 3040.  7/3/1998. 		RM 828625
_________________________________________________________________________

1536.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Saguache County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Cochetopa Hills: San Isabel National Forest: W towards Bonanza on Forest Road 861 at forest boundary, W of Villa Grove.  Elev. 9600 ft.
T47N R8E S26 SE1/4.  38.2931 N, 106.0555 W.  
Riparian and bristlecone pine. Phenology: vegetative only. 

Brian Elliott, 3161.  7/3/1998. 		RM 828624
_________________________________________________________________________

1537.  Equisetum arvense L. 				Equisetaceae

U.S.A., Arizona, Gila County: Sierra Ancha National Forest:  Elev. 6600 ft.
T6N R14E S32.  
Phenology: spores. 

Charles P. Pase, 1651.  6/24/1966. 		RMRS 6
_________________________________________________________________________

1538.  Equisetum arvense L. 				Equisetaceae

U.S.A., Arizona, Navajo County: Apache-Sitgreaves National Forest; Wildcat Point crossing; Black River below.  Elev. 6800 ft.
T4N R27.5E S35.  
Ponderosa pine-mixed conifer; stream bottom. Phenology: spores. 

Charles P. Pase, 2074.  6/24/1976. 		RMRS 4
_________________________________________________________________________

1539.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Carbon County: Pryor Mountains: Custer National Forest: Sage Creek Campground and vicinity on Sage Creek, ca 19 air mi ESE of Bridger.  Elev. 5520-5680 ft.
T7S R26E S20 NW1/4.  45.2117 N, 108.5521 W; uncertainty 0.5 mi., GPS reading.  
Stream bank. Phenology: vegetative only. 

B. E. Nelson, 75046.  7/14/2008. 		USFS 884105	Barcode: USFS0052109
_________________________________________________________________________

1540.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Carbon County: Pryor Mountains: Custer National Forest: below Ingram Spring and vicinity on the southwest slope of Big Pryor Mountain, on 19 air mi SE of Bridger.  Elev. 7500-7680 ft.
T8S R26E S6 E1/2.  45.1698 N, 108.5823 W; uncertainty 0.25 mi., GPS reading.  
Marshy, mossy meadow. Phenology: vegetative only. 

B. E. Nelson, 75351.  7/17/2008. 		USFS 88407	Barcode: USFS0052111
_________________________________________________________________________

1541.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Carbon County: Pryor Mountains: Custer National Forest: ridge between Dry Head and Punch Bowl creeks from Crow Indian Reservation boundary SW along trail, ca 28-29 air mi ESE of Bridger.  Elev. 6500 ft.
T7S R27E S23 NW1/4.  45.2161 N, 108.3698 W; uncertainty 0.25 mi., GPS reading.  
Brushy spring and seep area. Phenology: vegetative only. 

B. E. Nelson, 75403.  7/20/2008. 		USFS 884106	Barcode: USFS0052110
_________________________________________________________________________

1542.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Carbon County: Bighorn Basin: along a tributary of South Fork Bridger Creek just W of Pryor Mountain Road, ca 8 air mi SE of Bridger.  Elev. 4140-4340 ft.
T7S R24E S20 SW1/4.  45.207 N, 108.8155 W; uncertainty 0.5 mi., GPS reading.  
Along stream through redbeds and adjacent wet to dry meadows dominated by Glycyrrhiza. Phenology: vegetative only. 

B. E. Nelson, 76409.  8/15/2008. 		RM 
_________________________________________________________________________

1543.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Las Animas County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Culebra Range: San Isabel National Forest boundary on the North Fork Road off Colo Hwy 12; road to Purgatory Campground.  Elev. 9200 ft.
T32S R69W S23 SW1/4; (and to the W into unsurveyed land).  37.2437 N, 105.0741 W.  
Riparian; aspen-oak-Abies. Phenology: vegetative only. 

Brian Elliott, 360.  5/27/1998. 		RM 828637
_________________________________________________________________________

1544.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Saguache County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Cochetopa Hills: from ca 0.5 mi E of Marshall Pass up Ouray Creek to base of Mount Ouray, SW of Poncha Springs.  Elev. 10800-11200 ft.
T48N R7E S19 E1/2.  38.3898 N, 106.241 W.  
Picea engelmannii and Pinus contorta. Phenology: vegetative only. 

Brian Elliott, 3850.  7/16/1998. 		RM 828623
_________________________________________________________________________

1545.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Fremont County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Sangre de Cristo Range: on the Rainbow Trail from the end of Forest Road 6 to junction of Bushnell Lakes Trail, SW of Coaldale.  Elev. 7800-9400 ft.
T47N R10E S14 NE1/4; also SW1/4 S11 and NE1/4 S10.  38.3207 N, 105.8329 W.  
Mixed conifer. Phenology: vegetative only. 

Brian Elliott, 4539.  7/31/1998. 		RM 828620
_________________________________________________________________________

1546.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Otero County: Comanche National Grassland and Vicinity: along County Road Z, at irrigation ditch, ca 4 air mi WSW of La Junta.  Elev. 4159 ft.
T24S R55W S7.  37.9676 N, 103.6102 W; NAD 83, , GPS Reading.  
Flowing irrigation canal dominated by Salix exigua and Rumex crispus. Phenology: vegetative only. 

Bernadette Kuhn, 6158.  7/8/2008. 		RM 
_________________________________________________________________________

1547.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Custer County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Sangre de Cristo Range: San Isabel National Forest: from forest boundary to treeline on the north side of Marble Mountain.  Elev. 9700-11000 ft.
T24S R73W S12; also SE1/4 S11 and N1/2 S14.  37.9767 N, 105.4932 W.  
Abies lasiocarpa-Picea engelmannii. Phenology: vegetative only. 

Brian Elliott, 5047.  8/7/1998. 		RM 828619
_________________________________________________________________________

1548.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: along Vermejo River 7.7 air mi SE of Casa Grande.  Elev. 7035 ft.
36 48' 13.9" N, 104 53' 9.8" W; WGS 84, uncertainty 6 m., GPS reading.  
Moist grassy field grading into muddy riparian meadows. Scattered in moist sandy soil; no fertile stalks found. Phenology: vegetative only. 

Ben Legler, 4563.  6/18/2007. 		RM 906179	Barcode: RM0030913
_________________________________________________________________________

1549.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: along Gold Creek at junction with an unnamed tributary, 2.1 air mi E of Underwood Lakes.  Elev. 8974 ft.
36 58' 0.1" N, 105 10' 18.5" W; WGS 84, uncertainty 5 m., GPS reading.  
Canyon bottom with mixture of small brushy meadows, wet rocky streamsides, and mixed forest of Picea pungens, Abies concolor, and Populus tremuloides; containing numerous heterogeneous microhabitats. Branches spreading to slightly drooping; 3-angled; stems from deep rhizomes; common along stream. Phenology: vegetative only. 

Ben Legler, 5963.  7/13/2007. 		RM 906196	Barcode: RM0030930
_________________________________________________________________________

1550.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: along Leandro Creek 1.4 air mi S of Munn Lake.  Elev. 8705 ft.
36 53' 53.6" N, 105 9' 12.7" W; WGS 84, uncertainty 4 m., GPS reading.  
Lush meadow with Rudbeckia hirta, Gaillardia aristata, Linum lewisii, Poa and Hesperostipa comata, with scattered patches of Quercus gambelii, Alnus incana, Salix. Branches strongly ascending; scattered by stream. Phenology: vegetative only. 

Ben Legler, 6185.  7/17/2007. 		RM 906178	Barcode: RM0030912
_________________________________________________________________________

1551.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: large flat meadow in headwaters of Gold Creek 1.4 air mi NW of Underwood Lakes.  Elev. 11129 ft.
36 58' 35.5" N, 105 13' 32.5" W; WGS 84, uncertainty 4 m., GPS reading.  
Wet meadow with lush cover of grasses and sedges; small stream running through middle with grove of small Picea pungens. Uncommon under shade of spruces. Phenology: vegetative only. 

Ben Legler, 6270.  7/18/2007. 		RM 906195	Barcode: RM0030929
_________________________________________________________________________

1552.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: along middle Ponil Creek 6.2 air mi NE of summit of Baldy Mountain and 15.2 air mi NW of Cimarron.  Elev. 7656 ft.
36.666523 N, 105.109161 W; WGS 84, GPS reading.  
Moist creek bottoms, with Populus angustifolia, Salix, Alnus incana, Thermopsis, tall dense grass cover. Common along creek. Specimen GPS: 36.666592, -105.109215. Phenology: vegetative only. 

Ben Legler, 8208.  5/28/2008. 		RM 906177	Barcode: RM0030911
_________________________________________________________________________

1553.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: at old Catskill townsite along the Canadian River 0.6 air mi NW of mouth of Arch Redd Canyon; 20.1 air mi W of Raton.  Elev. 7859 ft.
36.941387 N, 104.808693 W; WGS 84, GPS reading.  
Flat grassland along river bottoms, appearing weedy, bisected by small river channel with small pools of standing water. Frequent along river channel. Specimen GPS: 36.941319, -104.808281. Phenology: vegetative only. 

Ben Legler, 8700.  6/12/2008. 		RM 906194	Barcode: RM0030928
_________________________________________________________________________

1554.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: along McCrystal Creek on east side of Ash Mountain; 3.3 air mi E of summit of Little Costilla Peak.  Elev. 9230 ft.
36.824226 N, 105.160873 W; WGS 84, GPS reading.  
Small mountain stream under mixed forest of Picea engelmannii, Populus tremuloides; with lush herbaceous growth along creek. Frequent along stream; fertile stalks only found in open wet meadow. Specimen GPS: 36.82341, -105.170799. Phenology: spores. 

Ben Legler, 8760.  6/13/2008. 		RM 906193	Barcode: RM0030927
_________________________________________________________________________

1555.  Equisetum arvense L. 				Equisetaceae

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: along Little Vermejo Creek 0.4 air mi S of Colorado.  Elev. 8554 ft.
36.989342 N, 105.135124 W; WGS 84, GPS reading.  
Fast-flowing stream with gravelly bottom; banks lined with Betula occidentalis, Salix, Juncus, and Thermopsis. Frequent in sand on gravel bars. Specimen GPS: 36.989635, -105.135208. Phenology: vegetative only. 

Ben Legler, 9576.  7/11/2008. 		RM 906192	Barcode: RM0030926
_________________________________________________________________________

1556.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Carbon County: Beartooth Mountains: Custer National Forest: along East Rosebud Creek, ca 3/4 air mi NNE of East Rosebud Lake, ca 19 air mi W of Red Lodge.  Elev. 5920 ft.
T7S R17E S16 SE1/4.  45.2166 N, 109.6289 W; NAD 83, , GPS Reading.  
Around old beaver ponds and drainage. Phenology: vegetative only. 

B. E. Nelson, 71251.  5/27/2007. 		USFS 866583	Barcode: USFS0044081
     with Emily Elliott, Brian Elliott
_________________________________________________________________________

1557.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Carbon County: Beartooth Mountains: Custer National Forest: along Robertson Draw at the intersection of Forest roads 2008 and 2009 ca 1-1.5 air mi N of Wyoming, ca 11.5 air mi S of Red Lodge.  Elev. 6320-6600 ft.
T9S R20E S28 NE1/4.  45.0191 N, 109.2578 W; NAD 83, , GPS Reading.  
Along small stream. Phenology: vegetative only. 

B. E. Nelson, 71813.  6/2/2007. 		USFS 866584	Barcode: USFS0044082
     with Emily Elliott
_________________________________________________________________________

1558.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Carbon County: Beartooth Mountains: Custer National Forest: between West Fork Rock Creek and Basin Creek, just E of Basin Campground, ca 7 air mi WSW of Red Lodge.  Elev. 6890 ft.
T8S R19E S4 NW1/4.  45.1605 N, 109.3895 W; NAD 83, , GPS Reading.  
Mossy, wet lodgepole pine woods with Ledum. Phenology: vegetative only. 

B. E. Nelson, 73276.  7/27/2007. 		USFS 866585	Barcode: USFS0044083
_________________________________________________________________________

1559.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Gallatin County: Gallatin Range: Gallatin National Forest: along Forest Road 984 ca 1/4 above the Portal Creek bridge, ca 6 air mi ENE of intersection of U.S. Hwy 191 and Mont Hwy 64 (Big Sky), ca 27 air mi S of Bozeman.  Elev. 7160-7240 ft.
T6S R5E S19 SE1/4; also SW1/4 S20.  45.2944 N, 111.1404 W; NAD 83, , GPS Reading.  
Roadside and adjacent road cut. Phenology: vegetative only. 

B. E. Nelson, 73393.  7/28/2007. 		USFS 872262	Barcode: USFS0058920
_________________________________________________________________________

1560.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Gallatin County: Gallatin Range: Gallatin National Forest: along Portal Creek from the bridge to Forest Road 984 S, ca 6 air mi ENE of interesection of U.S. Hwy 191 and Mont Hwy 64 (Big Sky), ca 27 air mi S of Bozeman.  Elev. 7080 ft.
T6S R5E S20 SW1/4.  45.2958 N, 111.1397 W; NAD 83, , GPS Reading.  
Stream bank, rock bars, and stream bottom. Phenology: vegetative only. 

B. E. Nelson, 73446.  7/29/2007. 		USFS 872263	Barcode: USFS0058922
_________________________________________________________________________

1561.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Sweet Grass County: Beartooth Mountains: Gallatin National Forest: East Boulder Plateau: along East Boulder River in Placer Basin just above Forge Creek, ca 27 air mi SSW of Big Timber.  Elev. 8700-8740 ft.
T5S R13E S11 N1/4; also South1/4 S2.  45.421 N, 110.0863 W; NAD 83, , GPS Reading.  
Rocky river bank and bars. Phenology: vegetative only. 

B. E. Nelson, 73642.  8/1/2007. 		USFS 872264	Barcode: USFS0058923
_________________________________________________________________________

1562.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Gallatin County: Gallatin Range: Gallatin National Forest: along Big Bear Creek at crossing of Cliff Creek or Forest Road 6989 ca 1.5 air mi NW of Wheeler Mountain, ca 11.5 air mi SSW of Bozeman.  Elev. 5860-6040 ft.
T4S R5E S4.  45.5176 N, 111.1119 W; NAD 83, , GPS Reading.  
Stream bank, cobble bars, and adjacent areas. Phenology: vegetative only. 

B. E. Nelson, 73849.  8/3/2007. 		USFS 872306	Barcode: USFS0058924
_________________________________________________________________________

1563.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Stillwater County: Beartooth Mountains: Custer National Forest: along Forest Road 2142, ca 22 air mi S of Big Timber.  Elev. 5950-6160 ft.
T4S R15E S6 E1/2.  45.5131 N, 109.9292 W; WGS 84, , GPS Reading.  
Moist mixed conifer/aspen stand and wet forby meadow. Phenology: vegetative only. 

Emily Elliott, 953.  6/4/2007. 		USFS 866578	Barcode: USFS0044076
     with Brian Elliott
_________________________________________________________________________

1564.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Park County: Gallatin Mountains: Gallatin National Forest: along Forest Road 978, ca 14 air mi SW of Livingston.  Elev. 5840-6760 ft.
T4S R8E S5 E1/2.  45.5186 N, 110.7625 W; WGS 84, , GPS Reading.  
Riparian in mixed conifer forest with moss and boggy areas. Phenology: vegetative only. 

Emily Elliott, 1222.  6/8/2007. 		USFS 872218	Barcode: USFS0058934
     with Brian Elliott
_________________________________________________________________________

1565.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Park County: Absaroka Range: Gallatin National Forest: along Forest Road 3280, along East Fork Mill Creek, ca 23.5 air mi S of Livingston.  Elev. 5600-6600 ft.
T6S R10E S18 E1/2.  45.3169 N, 110.5366 W; WGS 84, , GPS Reading.  
Steep slopes with mixed conifer forest overstory, mossy mixed forb understory, also talus fields and granite rock outcrops. Phenology: spores. 

Emily Elliott, 1304.  6/8/2007. 		USFS 872219	Barcode: USFS0058935
     with Brian Elliott
_________________________________________________________________________

1566.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Gallatin County: Beartooth Plateau and Gallatin National Forest and vic.: Buffalo Horn Creek, 1.4 road mi up stream.  Elev. 7300-7800 ft.
T8S R4E S26.  45.1071 N, 111.1964 W; NAD 83, uncertainty 0.5 mi., Nat. Geog. TOPO!.  
Riparian. Phenology: vegetative only. 

Emily Elliott, 1621.  6/11/2007. 		USFS 872102	Barcode: USFS0058925
     with Ronald L. Hartman
_________________________________________________________________________

1567.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Carbon County: Beartooth Mountains: Custer National Forest: up Forest Road 2071 around Wild Bill Lake, ca 6 air mi SW of Red Lodge.  Elev. 6720-7400 ft.
T8S R19E S3 W1/2.  45.1555 N, 109.3688 W; WGS 84, , GPS Reading.  
By stream Phenology: vegetative only. 

Emily Elliott, 1768.  6/15/2007. 		USFS 866579	Barcode: USFS0044077
_________________________________________________________________________

1568.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Park County: Gallatin Range: Gallatin National Forest: along County Road 6507, ca 40 air mi SSW of Livingston; ca 7.5 air mi NW of Gardiner.  Elev. 5400-6000 ft.
T8S R7E S25 NW1/4; also SW1/4 S24.  45.1098 N, 110.8201 W; WGS 84, , GPS Reading.  
Stream banks and roadside in canyon. Phenology: vegetative only. 

Emily Elliott, 2004.  6/18/2007. 		USFS 872368	Barcode: USFS0058927
_________________________________________________________________________

1569.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Park County: Gallatin Range: Gallatin National Forest: along Big Creek or Forest Road 2500, ca 31 air mi SW of Livingston.  Elev. 5720-6600 ft.
T6S R6E S14 SW1/4; also NE1/4 S23; also NW1/4 S24.  45.3046 N, 110.9392 W; WGS 84, , GPS Reading.  
Stream bank. Phenology: spores. 

Emily Elliott, 2136.  6/18/2007. 		USFS 872369	Barcode: USFS0058928
_________________________________________________________________________

1570.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Park County: Gallatin Range: Gallatin National Forest: along Big Creek or Forest Road 2500, ca 31 air mi SW of Livingston.  Elev. 5720-6600 ft.
T6S R6E S14 SW1/4; also NE1/4 S23; also NW1/4 S24.  45.3046 N, 110.9392 W; WGS 84, , GPS Reading.  
Stream bank. Phenology: vegetative only. 

Emily Elliott, 2139.  6/18/2007. 		USFS 872370	Barcode: USFS0058929
_________________________________________________________________________

1571.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Park County: Absaroka Range: Gallatin National Forest: along Forest Road 2532, ca 5.5 air mi SE of Livingston.  Elev. 6100-6880 ft.
T3S R10E S4 SW1/4; also N1/2 S9; also NW 1/4 S10.  45.5966 N, 110.4855 W; WGS 84, , GPS Reading.  
Stream bank. Phenology: vegetative only. 

Emily Elliott, 2274.  7/4/2007. 		USFS 872371	Barcode: USFS0058930
     with Ken Elliott
_________________________________________________________________________

1572.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Gallatin County: Gallatin Range: Gallatin National Forest: along Forest Road 1046, ca 12 air mi S of Bozeman.  Elev. 6600-6800 ft.
T4S R6E S8 E1/2.  45.5038 N, 111.0099 W; WGS 84, , GPS Reading.  
Mixed conifer overstory with a Vaccinium understory and a stream. Phenology: vegetative only. 

Emily Elliott, 2394.  7/6/2007. 		USFS 872372	Barcode: USFS0058931
     with Ken Elliott
_________________________________________________________________________

1573.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Gallatin County: Gallatin Range: Gallatin National Forest: along Grotto Falls Trail, from trailhead at end of Forest Road 62, ca 17 air mi SSE of Bozeman.  Elev. 6880-7280 ft.
T4S R6E S34 SE1/4.  45.4479 N, 110.9622 W; WGS 84, , GPS Reading.  
Mixed conifer forest with a Vaccinium understory. Phenology: vegetative only. 

Emily Elliott, 2517.  7/6/2007. 		USFS 872373	Barcode: USFS0058932
     with Ken Elliott
_________________________________________________________________________

1574.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Gallatin County: Gallatin Range: Gallatin National Forest: just off Forest Road 62 by Window Rock Cabin, ca 15.5 air mi SSE of Bozeman.  Elev. 6740-6840 ft.
T4S R6E S26 NE1/4.  45.4631 N, 110.9572 W; WGS 84, , GPS Reading.  
Open meadow dominated by forbs and stream bank with beaver ponds. Phenology: vegetative only. 

Emily Elliott, 2556.  7/6/2007. 		USFS 872374	Barcode: USFS0058933
     with Ken Elliott
_________________________________________________________________________

1575.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Gallatin County: Gallatin Range: Gallatin National Forest: along Forest Road 62, ca 1 road mi from forest boundary, ca 8.5 air mi S of Bozeman.  Elev. 5680-5720 ft.
T3S R5E S23 E1/2.  45.5637 N, 111.0717 W; WGS 84, , GPS Reading.  
Roadside, disturbed area, and creek area. Phenology: vegetative only. 

Emily Elliott, 2615.  7/6/2007. 		USFS 872242	Barcode: USFS0058936
     with Ken Elliott
_________________________________________________________________________

1576.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Park County: Absaroka Range: Gallatin National Forest: along Forest Road 348 near Sixmile Creek, ca 30 air mi SSW of Livingston.  Elev. 5880-5920 ft.
T7S R8E S9 N1/2.  45.2432 N, 110.7523 W; WGS 84, , GPS Reading.  
Riparian area between road and creek. Phenology: vegetative only. 

Emily Elliott, 2768.  7/8/2007. 		USFS 872243	Barcode: USFS0058937
     with Ken Elliott
_________________________________________________________________________

1577.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Stillwater County: Beartooth Mountains: Custer National Forest: Trail 93 up to Woodbine Falls, ca 33.5 air mi NW of Red Lodge.  Elev. 5280-5900 ft.
T5S R15E S32 SE1/4; also W1/2 S33.  45.3548 N, 109.887 W; WGS 84, , GPS Reading.  
Mixed conifer forest with stream running through and granite cliffs by falls. Phenology: vegetative only. 

Emily Elliott, 3075.  7/16/2007. 		USFS 866580	Barcode: USFS0044078
     with Dean Sherman
_________________________________________________________________________

1578.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Stillwater County: Beartooth Mountains: Custer National Forest: trail along Stillwater River up to Sioux Charley Lake, ca 34.5 air mi WNW of Red Lodge.  Elev. 5200-5800 ft.
T6S R14E S1; also T6S R15E N1/2 S6.  45.3514 N, 109.9055 W; WGS 84, , GPS Reading.  
Mixed conifer forest along river, with streamlets and cottonwoods interspersed; granite cliffs at beginning of trail. Phenology: vegetative only. 

Emily Elliott, 3171.  7/16/2007. 		USFS 863420	Barcode: USFS0044075
     with Dean Sherman
_________________________________________________________________________

1579.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Beartooth Mountains: Shoshone National Forest: south of U.S. Hwy 212 between Muddy and Ghost creeks, ca 40 air mi NW of Cody.  Elev. 7000-8120 ft.
T57N R106W S15.  44.9221 N, 109.6583 W; GPS Reading.  
Area surrounding fen with spruce overstory and dry ephemeral stream bed. Phenology: vegetative only. 

Emily Elliott, 3285.  7/19/2007. 		USFS 862915	Barcode: USFS0043968
     with Bonnie Heidel
_________________________________________________________________________

1580.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Custer County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountains: ca 1.5 mi on Forest Road 382 off of Colo Hwy 165; ca 0.5 mi along and around trail from Squirrel Creek Trailhead.  Elev. 8400-8600 ft.
T23S R69W S13 NW1/4; also SW1/8 S12 and SE1/8 S11.  38.0497 N, 105.054 W.  
Dominant species: ponderosa, blue spruce, aspen, and willow; soil included granite chunks. Phenology: vegetative only. 

Charity Hall, 101.  6/6/1998. 		RM 828616
     with Brian Jacobs and Alex Morgan
_________________________________________________________________________

1581.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Park County: Beartooth Mountains: Custer National Forest: E of U.S. Hwy 212 and Clarks Fork Yellowstone and Broadwater rivers at Lillis Lake, ca 31 air mi WSW of Red Lodge.  Elev. 8100-8200 ft.
T9S R15E S27 SE1/4.  45.0185 N, 109.8404 W; WGS 84, , GPS Reading.  
Riparian, moist meadow, lake shore. Phenology: vegetative only. 

Emily Elliott, 3722.  7/27/2007. 		USFS 866581	Barcode: USFS0044079
     with Brian Elliott and Bonnie Hiedel
_________________________________________________________________________

1582.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Park County: Absaroka Range: Gallatin National Forest: trail along Wallace Creek to Wallace Pass, ca 32 air mi SSE of Livingston.  Elev. 6600-8600 ft.
T7S R10E S21 E1/2; also S16.  45.2444 N, 110.4936 W to 45.2029 N, 110.4781 W; WGS 84, , GPS Reading.  
Subalpine meadow with streams running through it. Phenology: vegetative only. 

Emily Elliott, 4108.  7/31/2007. 		USFS 872244	Barcode: USFS0058938
     with Brian Elliott
_________________________________________________________________________

1583.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Beartooth Mountains: Little Rock Creek, ca 3-4 air mi E of Deep Lake.  Elev. 5200-5800 ft.
T57N R103W S20 E1/2; also S21.  44.9018 N, 109.3023 W to 44.9018 N, 109.3278 W; NAD 83, uncertainty 1 mi., Nat. Geog. TOPO!.  
Rocky slopes and outcrops of sandstone (redbeds) and wet areas along creek. Phenology: vegetative only. 

Ronald L. Hartman, 54787.  6/15/1996. 		RM 938788	Barcode: RM0109288
_________________________________________________________________________

1584.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Stillwater County: Beartooth Mountains: ca 2 air mi W of Nye.  Elev. 4980-4990 ft.
T5S R14E S1 NE1/4.  45.4478 N, 109.8209 W; NAD 83, , GPS Reading.  
Roadside and along irrigation ditch. Phenology: vegetative only. 

Ronald L. Hartman, 85579.  6/15/2007. 		RM 938789	Barcode: RM0109289
_________________________________________________________________________

1585.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Carbon County: Water Birch Fishing Access on Rock Creek, ca 0.5 mi either way of center of access area.  Elev. 4846 ft.
T6S R21E S18.  45.3164 N, 109.1933 W; NAD 83, , GPS Reading.  
Stream bottom and adjacent parking lot. Phenology: vegetative only. 

Ronald L. Hartman, 85783.  6/17/2007. 		RM 938790	Barcode: RM0109290
_________________________________________________________________________

1586.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Park County: Absaroka Range: Gallatin National Forest: vicinity of trailhead on Mission Creek, ca 9 air mi SE of Livingston.  Elev. 5596-5811 ft.
T3S R11E S6 SE1/4; also NE1/4 S7.  45.5966 N, 110.4075 W; NAD 83, , GPS Reading.  
Coniferous forest and stream. Phenology: vegetative only. 

Ronald L. Hartman, 85877.  6/18/2007. 		USFS 872307	Barcode: USFS0058914
_________________________________________________________________________

1587.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Park County: Absaroka Range: Gallatin National Forest: West Boulder Creek Trailhead to 1.5 mi into forest, ca 15 air mi SE of Livingston.  Elev. 5550-5675 ft.
T3S R11E S25 S1/2; also N1/2 S36.  45.5468 N, 110.3076 W; NAD 83, , GPS Reading.  
Coniferous forest and ponds. Phenology: vegetative only. 

Ronald L. Hartman, 85949.  6/18/2007. 		USFS 872308	Barcode: USFS0058915
_________________________________________________________________________

1588.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Carbon County: Rest Area, Rock Creek Fishing Trail, ca 2 air mi NNE of Roberts at bridge on U.S. Hwy 212.  Elev. 4430 ft.
T5S R21E S21 W1/2.  45.3845 N, 109.1397 W; NAD 83, , GPS Reading.  
Parking lot but mostly creek bottoms. Phenology: vegetative only. 

Ronald L. Hartman, 86050.  6/21/2007. 		RM 938795	Barcode: RM0109291
_________________________________________________________________________

1589.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: along Lake Creek near the head, ca 1 air mi N of Lake Mountain summit, ca 30.5 -31 air mi SW of Laramie.  Elev. 9130-9150 ft.
T14N R78W S27 W1/2.  41.1538 N, 106.1414 W to 41.1525 N, 106.1479 W; NAD 83, , GPS reading.  
Open lodgepole pine forest adjacent to willow dominated wetlands. Phenology: vegetative only. 

B. E. Nelson, 72633.  7/2/2007. 		RM 919485	Barcode: RM0079072
     with Laura E. Lukas
_________________________________________________________________________

1590.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: at the head of Tepee Creek just N of Colorado, ca 43 air mi SW of Laramie.  Elev. 8660-8760 ft.
T12N R79W S20 NE1/4; also SE1/4 S17.  41.0023 N, 106.2893 W; NAD 83, , GPS reading.  
Moist to wet lodgepole pine forest adjacent to stream. Phenology: vegetative only. 

B. E. Nelson, 73147.  7/17/2007. 		RM 919484	Barcode: RM0079071
_________________________________________________________________________

1591.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: above North Fork Gramm Creek, near intersection of Forest roads 520 and 520H, ca 32 mi SW of Laramie; ca 19 mi S of Centennial.  Elev. 8677 ft.
T12N R77W S7.  41.0296 N, 106.0832 W; WGS 84, , GPS reading.  
Wetland dominated by willows above creek. Phenology: vegetative only. 

Laura E. Lukas, 436.  6/13/2007. 		RM 919556	Barcode: RM0079045
_________________________________________________________________________

1592.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: around confluence of Owen and Squaw creeks, ca 2 mi NW of intersection of County Road 47 (Fox Creek Road) and Wyo Hwy 230, ca 26 mi SW of Laramie.  Elev. 7857 ft.
T14N R77W S32.  41.1405 N, 106.0453 W; WGS 84, , GPS reading.  
Moist meadow along creek. Phenology: vegetative only. 

Laura E. Lukas, 552.  6/16/2007. 		RM 919497	Barcode: RM0079083
_________________________________________________________________________

1593.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: School Creek, 2 mi E of Platte River, 1 mi N of intersection of BLM Road 3404 and County Road 660 (French Creek Road), ca 21 air mi SE of Saratoga.  Elev. 7734 ft.
T15N R81W S31; also S32.  41.2209 N, 106.5238 W; WGS 84, , GPS reading.  
Wet meadow and woods. Phenology: vegetative only. 

Laura E. Lukas, 816.  6/18/2007. 		RM 919496	Barcode: RM0079084
_________________________________________________________________________

1594.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: near Forest Road 500, just W of Albany, ca 8 air mi S of Centennial.  Elev. 8534 ft.
T14N R78W S14; also S15.  41.1798 N, 106.1336 W; WGS 84, , GPS reading.  
Forest surrounding creek. Phenology: vegetative only. 

Laura E. Lukas, 1053.  6/20/2007. 		RM 919494	Barcode: RM0079081
_________________________________________________________________________

1595.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: Gold Run Creek, near intersection of Forest roads 338 and 307, 1.5 mi W of Centennial Work Center, ca 3 air mi W of Centennial; .  Elev. 9452 ft.
T15N R78W S4; also S5 and T16N R78W S32 and S33.  41.3013 N, 106.1834 W; WGS 84, , GPS reading.  
In and around creek. Phenology: vegetative only. 

Laura E. Lukas, 848.  6/20/2007. 		RM 919495	Barcode: RM0079082
_________________________________________________________________________

1596.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Custer County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Sangre de Cristo Range: San Isabel National Forest: ca 3.2 road mi on County Road 198 from Colo Hwy 69.  Elev. 8321 ft.
T46N R12E S5 E1/2.  38.2654 N, 105.666 W.  
Near stream; fine-grained soil; dominant species: oak and Thermopsis. Phenology: vegetative only. 

Charity Hall, 1390.  6/25/1998. 		RM 828605
     with Brian Jacobs and Alex Morgan
_________________________________________________________________________

1597.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: Boswell Creek, N of Forest Road 526, ca 4 mi E of Wyo Hwy 230; ca 4 air mi E of Wycolo; ca 21 air mi S of Centennial.  Elev. 8625 ft.
T12N R78W S13; also T12N R77W S18.  40.9988 N, 106.1285 W; WGS 84, , GPS reading.  
Meadow along creek. Phenology: vegetative only. 

Laura E. Lukas, 1113.  6/22/2007. 		RM 919493	Barcode: RM0079080
_________________________________________________________________________

1598.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: Douglas and Lake Creek area, just E of Lake Creek Resort, near intersection of Forest roads 512 and 509, ca 13 air mi SW of Centennial.  Elev. 8219 ft.
T13N R79W S2; also S11.  41.1169 N, 106.2383 W; WGS 84, , GPS reading.  
Wet meadows along creek. Phenology: vegetative only. 

Laura E. Lukas, 1320.  6/25/2007. 		RM 919492	Barcode: RM0079079
_________________________________________________________________________

1599.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: Platte River Wilderness: along Trail 506 and Douglas Creek, 1 air mi E of Pike Pole Campground, ca 44 air mi SW of Laramie; ca 29 air mi SE of Saratoga.  Elev. 7458 ft.
T14N R80W S32.  41.1341 N, 106.4203 W; WGS 84, , GPS reading.  
Mixed spruce-fir forest along creek. Phenology: vegetative only. 

Laura E. Lukas, 1468.  6/27/2007. 		RM 919491	Barcode: RM0079078
_________________________________________________________________________

1600.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: Sixmile Creek and Lost Park area, ca 3 air mi SW of Pelton Creek Campground, ca 40 air mi SW of Laramie; ca 36 sir mi SE of Saratoga.  Elev. 8755 ft.
T13N R80W S25; also S26.  41.0552 N, 106.3546 W; WGS 84, , GPS reading.  
Wet meadow along creek. Phenology: vegetative only. 

Laura E. Lukas, 1600.  6/29/2007. 		RM 919490	Barcode: RM0079077
_________________________________________________________________________

1601.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: Savage Run Wilderness: just W of Forest Road 511 (Horse Creek Road), ca 3 mi WSW of Rob Roy Reservoir, ca 31.5 air mi SE of Saratoga.  Elev. 9140 ft.
T14N R79W S7; also S18.  41.1906 N, 106.3165 W; WGS 84, , GPS reading.  
Wet meadow with creek running through the middle. Phenology: vegetative only. 

Laura E. Lukas, 1759.  7/1/2007. 		RM 919489	Barcode: RM0079076
     with Kyle E. Bolenbaugh.
_________________________________________________________________________

1602.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Custer County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountains: San Isabel National Forest: off of County Road 274 just beyond national forest entrance.  Elev. 9050-9670 ft.
T21S R70W S21.  38.2102 N, 105.2187 W.  
Along stream and mountainsides; dominant species: aspen, oak, and Mertensia. Phenology: vegetative only. 

Charity Hall, 1470.  6/27/1998. 		RM 828606
     with B. E. Nelson, Brian Jacobs and Alex Morgan
_________________________________________________________________________

1603.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: Clark Park, SE of intersection of Forest Road 101 (Sand Lake Road) and Forest Road 323, ca 7 air mi NNW of Centennial.  Elev. 9587-9914 ft.
T16N R78W S5.  41.3862 N, 106.1844 W; WGS 84, , GPS reading.  
Creek in forest. Phenology: vegetative only. 

Laura E. Lukas, 2039.  7/5/2007. 		RM 919488	Barcode: RM0079075
_________________________________________________________________________

1604.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: Firebox Lake area, E of intersection of Forest Road 101 (Sand Lake Road) and Forest Road 324, ca 10 air mi NNW of Centennial.  Elev. 9654-9813 ft.
T17N R78W S17; also S18.  41.4411 N, 106.1999 W; WGS 84, , GPS reading.  
Wet meadow with Sphagnum. Phenology: vegetative only. 

Laura E. Lukas, 2070.  7/5/2007. 		RM 919555	Barcode: RM0079044
_________________________________________________________________________

1605.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: Firebox Lake area, E of intersection of Forest Road 101 (Sand Lake Road) and Forest Road 324, ca 10 air mi NNW of Centennial.  Elev. 9654-9813 ft.
T17N R78W S17; also S18.  41.4411 N, 106.1999 W; WGS 84, , GPS reading.  
Mixed conifer forest. Phenology: vegetative only. 

Laura E. Lukas, 2092.  7/5/2007. 		RM 919487	Barcode: RM0079074
_________________________________________________________________________

1606.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: North French Creek at intersection of Forest Road 227 (North French Creek Road)  and Forest Road 225 (South French Creek Road), ca 20 air mi SE of Saratoga.  Elev. 8612-8644 ft.
T15N R81W S11.  41.2835 N, 106.4585 W to 41.2835 N, 106.4584 W; WGS 84, , GPS reading.  
Moist open conifer forest near creek. Phenology: vegetative only. 

Laura E. Lukas, 2201.  7/13/2007. 		RM 919554	Barcode: RM0079043
_________________________________________________________________________

1607.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: Little Beaver Creak, N of intersection of Forest Roads 542 ( Keystone Road) and Forest Road 548, 1 air mi NE of Keystone Work Center, ca 34 air mi WSW of Laramie.  Elev. 9179-9252 ft.
T14N R79W S14.  41.1772 N, 106.2281 W to 41.1778 N, 106.2317 W; WGS 84, , GPS reading.  
Wet woods on edge of willow carr. Phenology: spores. 

Laura E. Lukas, 2467.  7/16/2007. 		RM 919552	Barcode: RM0079041
_________________________________________________________________________

1608.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: Swan Creek and Douglas Creek, just S of Bobbie Thomson Campground, ca 37 air mi SW of Laramie.  Elev. 8741 ft.
T14N R79W S27.  41.1471 N, 106.2534 W; WGS 84, , GPS reading.  
Woods along creek. Phenology: vegetative only. 

Laura E. Lukas, 2601.  7/16/2007. 		RM 919551	Barcode: RM0079040
_________________________________________________________________________

1609.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: Little Beaver Creek, along Forest Road 542 (Keystone Road), 0.5 air mi NE of Keystone, ca 11 air mi SSW of Centennial.  Elev. 8862-8894 ft.
T14N R79W S22.  41.1702 N, 106.2487 W to 41.1695 N, 106.2489 W; WGS 84, , GPS reading.  
Wet, open forest along creek. Phenology: vegetative only. 

Laura E. Lukas, 2695.  7/18/2007. 		RM 919550	Barcode: RM0079039
_________________________________________________________________________

1610.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: S of Elkhorn Creek and North Platte River area W of Forest Road 534, ca 48 air mi SW of Saratoga.  Elev. 8208 ft.
T12N R80W S13; also S14.  41.003 N, 106.3306 W; WGS 84, , GPS reading.  
Along creek. Phenology: vegetative only. 

Laura E. Lukas, 2952.  7/20/2007. 		RM 919549	Barcode: RM0079038
_________________________________________________________________________

1611.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: N of Headquarters Park, off Forest Road 200, 1 air mi N of Wyo Hwy 130, ca 24 air mi W of Saratoga.  Elev. 9594 ft.
T16N R80W S22.  41.3394 N, 106.3805 W; WGS 84, , GPS reading.  
Wet stream bank. Phenology: vegetative only. 

Laura E. Lukas, 3031.  7/23/2007. 		RM 919536	Barcode: RM0079026
_________________________________________________________________________

1612.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: South French Creek, ca 2 air mi W of intersection of Forest roads 225 and 206, ca 23 air mi SE of Saratoga.  Elev. 8073-8566 ft.
T15N R81W S23; also S24 and S26.  41.2407 N, 106.4568 W to 41.2485 N, 106.4522 W; WGS 84, , GPS reading.  
Draw. Phenology: vegetative only. 

Laura E. Lukas, 3493.  7/30/2007. 		RM 919548	Barcode: RM0079037
_________________________________________________________________________

1613.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Chaffee County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: San Isabel National Forest: ca 1.2 road mi on County Road 240 from U.S. Hwy 50.  Elev. 8600-8900 ft.
T50N R7E S28 NE1/4.  38.5588 N, 106.1968 W.  
Along stream and dry ponderosa pine forest slopes; soil fine-grained to gravelly; ponderosa, Rosa, Salix, and aspen. Sheet 1 of 2. Phenology: vegetative only. 

Charity Hall, 1612.  6/29/1998. 		RM 828598
     with Brian Jacobs and Alex Morgan
_________________________________________________________________________

1614.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: Mullen Creek, ca 1 air mi E of intersection of Forest Road 500 (French Creek Road) and Forest Road 225 (South French Creek Road), ca 26 air mi SE of Saratoga.  Elev. 8752 ft.
T15N R80W S28; also S30.  41.2305 N, 106.4011 W; WGS 84, , GPS reading.  
Wet, open conifer-aspen forest uphill from creek. Phenology: vegetative only. 

Laura E. Lukas, 3590.  7/30/2007. 		RM 919547	Barcode: RM0087637
_________________________________________________________________________

1615.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: North Fork area, just NW of North Fork Campground, running NW along Forest Road 101 (Sand Lake Road), ca 1 air mi SE of Clark Park, ca 6 air mi NW of Centennial.  Elev. 9245-9578 ft.
T16N R78W S5; also S6, S7; also S8.  41.3649 N, 106.1766 W to 41.3759 N, 106.1905 W to 41.3781 N, 106.1906 W; WGS 84, , GPS reading.  
Fen, dominated by Sphagnum and Viola. Phenology: vegetative only. 

Laura E. Lukas, 3715.  8/1/2007. 		RM 919537	Barcode: RM0079027
_________________________________________________________________________

1616.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: Platte River Wilderness: Douglas Creek Trail, ca 39 air mi SE of Saratoga; ca 8 air mi W of Foxpark.  Elev. 8266-8276 ft.
T13N R79W S18; also S19.  41.078 N, 106.309 W to 41.0857 N, 106.309 W; WGS 84, , GPS reading.  
Sunny creek bank, on edge of meadow. Phenology: vegetative only. 

Laura E. Lukas, 3853.  8/3/2007. 		RM 919546	Barcode: RM0079036
_________________________________________________________________________

1617.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: Devils Gate Creek, near Golden Key Mine, near intersection of Forest Road 512 (Platte Access Road) and Forest Road 512G, ca 13 air mi SW of Centennial.  Elev. 9464-9477 ft.
T14N R79W S19.  41.1627 N, 106.3074 W to 41.1625 N, 106.3084 W; WGS 84, , GPS reading.  
Creek in mixed conifer forest. Phenology: vegetative only. 

Laura E. Lukas, 4006.  8/6/2007. 		RM 919545	Barcode: RM0079035
_________________________________________________________________________

1618.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: South French Creek, just S of Forest Road 236, ca 2 air mi NE of intersection of Forest Road 225 (South French Creek Road) and Forest Road 236, ca 25 air mi SE of Saratoga and 12 air mi W of Centennial.  Elev. 8710 ft.
T15N R80W S16.  41.2711 N, 106.3821 W; WGS 84, , GPS reading.  
Wet, slightly wooded area adjacent to ponds. Phenology: vegetative only. 

Laura E. Lukas, 4211.  8/8/2007. 		RM 919544	Barcode: RM0079034
_________________________________________________________________________

1619.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: Elk Creek and Rob Roy Reservoir area, around intersection of Forest roads 555 and 561, ca 9 air mi SW of Centennial.  Elev. 9583 ft.
T15N R79W S33.  41.2253 N, 106.2739 W; WGS 84, , GPS reading.  
Willow carr and creek. Phenology: vegetative only. 

Laura E. Lukas, 4384.  8/10/2007. 		RM 919543	Barcode: RM0079033
_________________________________________________________________________

1620.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: along Forest Road 208 1F, ca 1 air mi S of South Fork Corral Creek, ca 5 air mi S of Ryan Park; ca 21 air mi SE of Saratoga.  Elev. 8973 ft.
T15N R81W S21; also S22.  41.2553 N, 106.4938 W; WGS 84, , GPS reading.  
Lodgepole pine and spruce forest along creek. Phenology: vegetative only. 

Laura E. Lukas, 4458.  8/13/2007. 		RM 919542	Barcode: RM0079032
_________________________________________________________________________

1621.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: Jelm Creek area,  ca 1.5 air mi SE of Chimney Park Camp and ca 5 air mi SW of Woods Landing.  Elev. 8984 ft.
T13N R77W S30.  41.061 N, 106.0848 W; WGS 84, , GPS reading.  
Wooded creek. Phenology: vegetative only. 

Laura E. Lukas, 4695.  8/17/2007. 		RM 919541	Barcode: RM0079031
_________________________________________________________________________

1622.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: Jelm Mountain, ca 1 mi E of New Jelm, ca 2 air mi SE of Woods Landing.  Elev. 7905 ft.
T13N R77W S25; also S26.  41.0642 N, 105.9975 W; WGS 84, , GPS reading.  
In draw. Phenology: vegetative only. 

Laura E. Lukas, 4776.  8/17/2007. 		RM 919486	Barcode: RM0079073
_________________________________________________________________________

1623.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Pueblo County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountains: San Isabel National Forest: across from Lake Isabel.  Elev. 8400-8550 ft.
T24S R68W S6.  37.9913 N, 105.0357 W.  
Along slope and stream across from lake; dominant species: Salix, Equisetum, and ponderosa. Phenology: vegetative only. 

Charity Hall, 1720.  6/29/1998. 		RM 828596
     with Brian Jacobs and Alex Morgan
_________________________________________________________________________

1624.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: Medicine Bow National Forest: vicinity of Stillwater Park, ca 11 air mi SW of Arlington interchange at I-80.  Elev. 9100 ft.
T17N R80W S2 SW1/4.  41.4739 N, 106.3553 W; GPS Reading.  
Stream side and meadow. Phenology: vegetative only. 

Ronald L. Hartman, 86194.  7/21/2007. 		RM 919483	Barcode: RM0079070
     with Jack S. Hartman
_________________________________________________________________________

1625.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Culebra Range: San Isabel National Forest: ca 3/4 trail mi beyond trailhead at end of Forest Road 422.  Elev. 10480-10720 ft.
T31S R69W S19.  37.3311 N, 105.1467 W.  
Along stream; fine-grained, moist soil; dominant species: spruce and aspen. Phenology: vegetative only. 

Charity Hall, 1800.  7/6/1998. 		RM 828595
     with Brian Jacobs and Alex Morgan
_________________________________________________________________________

1626.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Hanna Basin: Halleck Ridge from Rattlesnake Pass NE ca 2 air mi, ca 10-12 air mi S of Hanna; ca 8.5-9 air mi W of the town of Elk Mountain.  Elev. 7518-8029 ft.
T20N R82W S12; also S14.  41.6996 N, 106.5834 W; NAD 83, , GPS reading.  
Moist to wet meadow and along small stream. Phenology: vegetative only. 

B. E. Nelson, 75942.  8/4/2008. 		RM 928885	Barcode: RM0089462
_________________________________________________________________________

1627.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: area just W of Brush Creek Visitor Center, just S of intersection of Wyo Hwy 130 and Forest Road 100 (North Brush Creek Road), ca 16 air mi SE of Saratoga; ca 2 air mi NW of Ryan Park.  Elev. 8161 ft.
T16N R81W S20; also S19.  41.3435 N, 106.5297 W; WGS 84, , GPS reading.  
Wooded stream edge. Phenology: fruiting. 

Laura E. Lukas, 4963.  6/10/2008. 		RM 919482	Barcode: RM0079069
_________________________________________________________________________

1628.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Culebra Range: San Isabel National Forest: intersection of Forest Road 422 and Colo Hwy 12.  Elev. 9300-9350 ft.
T31S R69W S22.  37.3311 N, 105.0923 W.  
Aspen forest slopes and streamside; dominant species: Salix, Potentilla, and aspen. Phenology: vegetative only. 

Charity Hall, 1859.  7/6/1998. 		RM 828594
     with Brian Jacobs and Alex Morgan
_________________________________________________________________________

1629.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: White Rock Canyon, ca 0.5 air mi W of Forest Road 111, ca 5 air mi WSW of Arlington; ca 28 air mi NNE of Saratoga.  Elev. 8478 ft.
T19N R79W S32.  41.5742 N, 106.2869 W; WGS 84, , GPS reading.  
Edge of creek with lodgepole pine overstory. Phenology: vegetative only. 

Laura E. Lukas, 5128.  6/18/2008. 		RM 919481	Barcode: RM0079068
_________________________________________________________________________

1630.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: Bow River Work Center area, near intersection of Forest Road 101 (Sand Lake Road) and Forest Road 261 (Cedar Pass Road), ca 10 air mi SW of Arlington; ca 22 air mi NNE of Saratoga.  Elev. 8302 ft.
T18N R80W S21.  41.525 N, 106.3886 W; WGS 84, , GPS reading.  
Mixed conifer forest along stream. Phenology: vegetative only. 

Laura E. Lukas, 5327.  6/23/2008. 		RM 919480	Barcode: RM0079067
_________________________________________________________________________

1631.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: Rock Creek Canyon, within ca 1 air mi of Forest Trail 106 (Rock Creek Trail) northern trailhead, ca 2 air mi SW of Arilington; ca 19 air mi NNW of Centennial.  Elev. 7894 ft.
T19N R79W S35; also S36 and T18N R79W S2.  41.5772 N, 106.2304 W; WGS 84, , GPS reading.  
Moist conifer-aspen forest along creek. Phenology: vegetative only. 

Laura E. Lukas, 5761.  7/2/2008. 		RM 919479	Barcode: RM0079066
_________________________________________________________________________

1632.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Culebra Range: San Isabel National Forest: Trail 1302 or Spring Creek Trail, ca 1/4 trail mi beyond trailhead.  Elev. 8800-8900 ft.
T31S R69W S4.  37.3747 N, 105.1104 W.  
Fine-grained soil; dominant species: ponderosa, aspen, and white fir. Phenology: vegetative only. 

Charity Hall, 1933a.  7/6/1998. 		RM 828593
     with Brian Jacobs and Alex Morgan
_________________________________________________________________________

1633.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: Platte River Wilderness: surrounding confluence of Devils Gate Creek and Douglas Creek, ca 4 air mi SE of Trail 506 Trailhead and Pike Pole Campground, ca 17 air mi SSW of Centennial.  Elev. 8017-8025 ft.
T13N R80W S3; also S10.  41.114 N, 106.3682 W to 41.1123 N, 106.3721 W; WGS 84, , GPS reading.  
Along creek. Phenology: vegetative only. 

Laura E. Lukas, 6061.  7/9/2008. 		RM 919478	Barcode: RM0079065
     with Patricia E. Lukas
_________________________________________________________________________

1634.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: Savage Run Wilderness: along Savage Run Creek and Trail 501, ca 1/3 mi from intersection with Trail 502, ca 14 air mi SW of Centennial.  Elev. 8794 ft.
T14N R80W S15.  41.1881 N, 106.3772 W; WGS 84, , GPS reading.  
Wet meadow on edge of conifer forest. Phenology: vegetative only. 

Laura E. Lukas, 6106.  7/14/2008. 		RM 919575	Barcode: RM0079064
     with Patricia E. Lukas
_________________________________________________________________________

1635.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: Savage Run Wilderness: along Savage Run Creek and Trail 501, ca 1.5 air mi NE of intersection with Trail 502, ca 13 air mi SW of Centennial.  Elev. 8945 ft.
T14N R80W S10.  41.1947 N, 106.3637 W; WGS 84, , GPS reading.  
Along creek in mixed conifer forest. Phenology: vegetative only. 

Laura E. Lukas, 6193.  7/14/2008. 		RM 919574	Barcode: RM0079063
     with Patricia E. Lukas
_________________________________________________________________________

1636.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Custer County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountains: San Isabel National Forest: ca 2.6 road mi on Forest Road 387 after the intersection of Forest roads 387 and 386.  Elev. 7200-7250 ft.
T22S R69W S24.  38.1227 N, 105.0504 W.  
Dominant species: blue spruce, Douglas fir, ponderosa, Gambels oak, and Salix; along stream and adjacent slopes; lots of detritus on mountainside. Phenology: vegetative only. 

Charity Hall, 197.  6/9/1998. 		RM 828615
     with Brian Jacobs and Alex Morgan
_________________________________________________________________________

1637.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: along Fourmile Creek near the end of improved Forest Road 329 (Fallen Pines Road), ca 1.5 air mi S of Morgan, ca 12 air mi N of Centennial; ca 10 SE of Arlington.  Elev. 9300 ft.
T17N R78W S10; also S11.  41.4629 N, 106.1398 W; WGS 84, , GPS reading.  
Along creek in mixed conifer forest. Phenology: vegetative only. 

Laura E. Lukas, 6384.  7/22/2008. 		RM 919573	Barcode: RM0079062
_________________________________________________________________________

1638.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Custer County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountains: San Isabel National Forest: ca 2.6 road mi on Forest Road 387 after the intersection of Forest roads 387 and 386.  Elev. 7200-7250 ft.
T22S R69W S24.  38.1227 N, 105.0504 W.  
Dominant species: blue spruce, Douglas fir, ponderosa, Gambels oak, and Salix; along stream and adjacent slopes; lots of detritus on mountainside. Phenology: spores. 

Charity Hall, 198.  6/9/1998. 		RM 828614
     with Brian Jacobs and Alex Morgan
_________________________________________________________________________

1639.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: area surrounding Lincoln Park Campground, ca 4 air mi N of Ryan Park; ca 16 air mi SE of Saratoga.  Elev. 8030 ft.
T16N R81W S5; also S8 and S9.  41.3755 N, 106.5133 W; WGS 84, , GPS reading.  
Along creek at edge of park and forest. Phenology: vegetative only. 

Laura E. Lukas, 6573.  7/23/2008. 		RM 919572	Barcode: RM0079061
_________________________________________________________________________

1640.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: North Brush Creek, S of intersection of Forest Road 100 (North Brush Creek Road) and Forest Road 219 (Cortez Creek Road), ca 17 air mi ESE of Saratoga; ca 6 air mi N of Ryan Park.  Elev. 8633 ft.
T17N R81W S34.  41.4059 N, 106.4803 W; WGS 84, , GPS reading.  
Partially wooded area near creek, grass and Salix dominated. Phenology: vegetative only. 

Laura E. Lukas, 6749.  7/23/2008. 		RM 919571	Barcode: RM0079060
_________________________________________________________________________

1641.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: area NE of Sand Lake, ca 12 air mi NW of Centennial; ca 11 air mi S of Arlington.  Elev. 10023 ft.
T17N R79W S9; also S10 and S16.  41.4561 N, 106.2725 W; WGS 84, , GPS reading.  
Park. Phenology: vegetative only. 

Laura E. Lukas, 6783.  7/25/2008. 		RM 919570	Barcode: RM0079059
_________________________________________________________________________

1642.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: just E of intersection of Forest Road 101 (North Brush Creek Road) and Forest Road 101.3L, ca 10 air mi SW of Arlington; ca 15 air mi NW of Centennial.  Elev. 9728 ft.
T17N R79W S6; also S5.  41.4738 N, 106.3065 W; WGS 84, , GPS reading.  
Creek in spruce-fir forest. Phenology: fruiting. 

Laura E. Lukas, 6936.  7/25/2008. 		RM 919569	Barcode: RM0079058
_________________________________________________________________________

1643.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: Mill Creek along Forest Road 241, ca 1/4 air mi SW of intersection with Forest Road 241.1E, ca 16 air mi W of Centennial; ca 3 air mi NE of Ryan Park.  Elev. 9220 ft.
T16N R81W S13.  41.3485 N, 106.452 W; WGS 84, , GPS reading.  
Mixed conifer forest along creek. Phenology: vegetative only. 

Laura E. Lukas, 6978.  7/28/2008. 		RM 919568	Barcode: RM0079057
_________________________________________________________________________

1644.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: Mill Creek along Forest Road 241, near intersection with Forest Road 200.3G, ca 17 air mi W of Centennial; ca 2 air mi N of Ryan Park.  Elev. 8712 ft.
T16N R81W S15; also S22.  41.3452 N, 106.4762 W; WGS 84, , GPS reading.  
Wet park to forest with willows and conifers. Phenology: vegetative only. 

Laura E. Lukas, 7071.  7/28/2008. 		RM 919538	Barcode: RM0079028
_________________________________________________________________________

1645.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: Lime Kiln Park, SW of Forest Road 261 (Cedar Pass Road), ca 14 air mi E of Saratoga; ca 7 air mi N of Ryan Park.  Elev. 8815 ft.
T17N R81W S19; also S20.  41.4277 N, 106.5354 W; WGS 84, , GPS reading.  
Along stream in mixed conifer forest. Phenology: fruiting. 

Laura E. Lukas, 7192.  7/30/2008. 		RM 919566	Barcode: RM0079055
_________________________________________________________________________

1646.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: vicinity of Pass Creek, S of intersection of Forest Road 261 (Cedar Pass Road) and Forest Road 134, ca 18 air mi E of Saratoga; ca 15 air mi SW of Arlington.  Elev. 8367 ft.
T17N R81W S1; also T18N R81W S36.  41.4837 N, 106.4533 W; WGS 84, , GPS reading.  
Along creek in open conifer forest with many willows and alders. Phenology: vegetative only. 

Laura E. Lukas, 7310.  7/30/2008. 		RM 919565	Barcode: RM0079054
_________________________________________________________________________

1647.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: along Turpin Creek, near Forest Road 100 (North Brush Creek Road) between intersection with Forest roads 132.1C and 126, ca 17 air mi NW of Centennial; ca 14 air mi SW of Arlington.  Elev. 8818-8828 ft.
T17N R80W S9.  41.4666 N, 106.3962 W to 41.457 N, 106.3958 W; WGS 84, , GPS reading.  
Along creek in conifer forest. Phenology: vegetative only. 

Laura E. Lukas, 7532.  8/4/2008. 		RM 919564	Barcode: RM0079053
_________________________________________________________________________

1648.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: wetlands S of Forest Road 101 (Sand Lake Road), ca 1 air mi S of intersection with Forest Road 104, ca 40 air mi WNW of Laramie; ca 10 air mi SW of Arlington.  Elev. 9146 ft.
T17N R80W S1.  41.4825 N, 106.3262 W; WGS 84, , GPS reading.  
Wet edge of conifer forest and meadow. Phenology: vegetative only. 

Laura E. Lukas, 7887.  8/11/2008. 		RM 919563	Barcode: RM0079052
_________________________________________________________________________

1649.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Custer County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountains: San Isabel National Forest: ca 0.3 road mi on Forest Road 386 from Colo Hwy 165.  Elev. 8760-9050 ft.
T22S R69W S18.  38.1372 N, 105.1455 W.  
Dominant species: willow, aspen, spruce, and white fir; along stream and mountainside. Phenology: vegetative only. 

Charity Hall, 211.  6/9/1998. 		RM 828613
     with Brian Jacobs and Alex Morgan
_________________________________________________________________________

1650.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Las Animas County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Culebra Range: San Isabel National Forest: North Fork Trail, ca 3/4 trail mi beyond trailhead off of Forest Road 34.  Elev. 10000 ft.
T32S R69W S16 NE1/4.  37.2582 N, 105.1104 W.  
Along stream and slopes; dominant species: spruce, aspen, and Geranium. Phenology: vegetative only. 

Charity Hall, 2122.  7/10/1998. 		RM 828592
     with Brian Jacobs and Alex Morgan
_________________________________________________________________________

1651.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Laramie Plains: right-of-way along west side of U.S. Hwy 287 and Grant Creek, ca 1.5 air mi SE of Tie Siding; ca 18 air mi S of Laramie.  Elev. 7585 ft.
T13N R72W S29.  41.0668 N, 105.4822 W; WGS 84, , GPS reading.  
Right-of-way on plains, along tiny creek. Phenology: vegetative only. 

Laura E. Lukas, 8274.  8/18/2008. 		RM 919562	Barcode: RM0079051
_________________________________________________________________________

1652.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: Sheep Mountain, along Trail 386 (Sheep Mountain Trail), near top of Chokecherry Creek, ca 23 air mi WSW of Laramie; ca 7 air mi SE of Centennial.  Elev. 9209 ft.
T15N R77W S27.  41.2439 N, 106.0319 W; WGS 84, , GPS reading.  
Wet meadow, Carex-dominated. Phenology: vegetative only. 

Laura E. Lukas, 8438.  8/23/2008. 		RM 919561	Barcode: RM0079050
     with Bernadette Kuhn
_________________________________________________________________________

1653.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: Sheep Mountain, starting at Trail 386 (Sheep Mountain Trail) along Johns Creek and ending at top of ridge, ca 23 air mi WSW of Laramie; ca 7 air mi SE of Centennial.  Elev. 9069 ft.
T15N R77W S28; also S21.  41.2507 N, 106.0399 W; WGS 84, , GPS reading.  
Mixed conifer forest, along creek. Phenology: vegetative only. 

Laura E. Lukas, 8493.  8/23/2008. 		RM 919560	Barcode: RM0079049
     with Bernadette Kuhn
_________________________________________________________________________

1654.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: Carlson Creek N and S of Forest Road 114, ca 15 air mi NW of Centennial; ca 7 air mi SW of Arlington.  Elev. 9425 ft.
T18N R79W S28; also S33.  41.5006 N, 106.2762 W; WGS 84, , GPS reading.  
Picea-Abies forest along creek edge. Phenology: vegetative only. 

Laura E. Lukas, 8562.  8/31/2008. 		RM 919559	Barcode: RM0079048
_________________________________________________________________________

1655.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: North Fork Rock Creek, ca 1 air mi W of intersection of Forest Road 101 (Sand Lake Road) and Forest Road 101E, ca 12 air mi NNW of Centennial; ca 9 air mi S of Arlington.  Elev. 9732 ft.
T17N R79W S11; also S1.  41.459 N, 106.2326 W; WGS 84, uncertainty 0.75 mi., GPS reading.  
Fen. Phenology: vegetative only. 

Laura E. Lukas, 8613.  8/31/2008. 		RM 919558	Barcode: RM0079047
_________________________________________________________________________

1656.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Alamosa County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity. Sangre de Cristo Range: Rio Grande National Forest: along Mosca Trail to Mosca Pass.  Elev. 8300-9720 ft.
T27S R73 S1; also S2; also T27S R72W S5 and S6.  37.7259 N, 105.4949 W.  
Along stream and adjacent slopes; sandy soil. Phenology: vegetative only. 

Charity Hall, 277.  6/10/1998. 		RM 828612
     with Brian Jacobs and Alex Morgan
_________________________________________________________________________

1657.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Sangre de Cristo Range: Huerfano State Wildlife Area: ca 2.5 road mi on County Road 580 from junction of County Roads 581 and 580.  Elev. 8700-8740 ft.
T27S R72W S24 NW1/4.  37.6822 N, 105.3854 W.  
Dominant species: Salix, pinyon pine, and Thermopsis. Phenology: vegetative only. 

Charity Hall, 348.  6/11/1998. 		RM 828609
     with Brian Jacobs and Alex Morgan
_________________________________________________________________________

1658.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Carbon County: Beartooth Mountains: TO Bar Ranch, ca 6.5 mi SSW of Roscoe.  Elev. 5700 ft.
T6S R18E S31.  45.2637 N, 109.5561 W; NAD 83, uncertainty 0.5 mi., Nat. Geog. TOPO!.  
Thick, moist forest. Phenology: vegetative only. 

Marci Mangus, 3.  6/8/1990. 		RM 938796	Barcode: RM0109292
_________________________________________________________________________

1659.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, no county County: Deerlodge National Forest.  Elev. 6000-6400 ft.
Sandy loam, in among the willows and moist shaded areas. Phenology: vegetative only. 

C. E. Fleming, 49.  8/11/1911. 		RM 400871
_________________________________________________________________________

1660.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, no county County: Beartooth National Forest.
Phenology: vegetative only. 

James C. Whitham, 304.  7//1914. 		USFS 407893
_________________________________________________________________________

1661.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Carbon County: Beartooth National Forest: Rock Creek District: Rock Creek Ranger Station.  Elev. 6100 ft.
45.1566 N, 109.3018 W; uncertainty 1 mi..  
South slope; deep clay loam soil; weed and browse with Ribes, Geranium, Potentilla, and willow. Not abundant. Phenology: vegetative only. 

W. H. Zeh, 672.  8/16/1921. 		USFS 407894
_________________________________________________________________________

1662.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Gallatin County: Bozeman.
Low wet ground. Phenology: spores. 

J. W. Blankinship, s.n..  5/12/1899. 		RM 139993
_________________________________________________________________________

1663.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Gallatin County: Bozeman.
Wet places. Phenology: spores. 

J. W. Blankinship, s.n..  5/18/1899. 		RM 139993
_________________________________________________________________________

1664.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Deer Lodge County: Anaconda.
Low ground. Phenology: spores. 

J. W. Blankinship, s.n..  7/30/1906. 		RM 89685
_________________________________________________________________________

1665.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Deer Lodge County: Anaconda.
Low ground. Phenology: vegetative only. 

J. W. Blankinship, s.n..  7/30/1906. 		RM 89685
_________________________________________________________________________

1666.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Flathead County: Columbia Falls.
Phenology: spores. 

R. S. Williams, s.n..  5/16/1893. 		RM 55079
_________________________________________________________________________

1667.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Flathead County: Columbia Falls.
Phenology: spores. 

R. S. Williams, 813.  5/16/1893. 		RM 24214
_________________________________________________________________________

1668.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Carbon County: North Fork Trail Creek.  Elev. 3950 ft.
T8S R28E S30.  45.1084 N, 108.2039 W; uncertainty 1 mi..  
Cottonwood bottom. Accession number duplicated in the database, this specimen not verified. Phenology: vegetative only. 

Robert W. Lichvar, 5867.  6/9/1983. 		RM 35555
_________________________________________________________________________

1669.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, no county County: Near Fern Creek.  Elev. 3800 ft.
Marsh. Phenology: spores. 

R. Morehouse, 2534.  5/29/1935. 		RM 369874
_________________________________________________________________________

1670.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Carbon County: Beartooth National Forest.  Elev. 7300 ft.
T7S R18E S15.  
Slope 30% north; shallow sandy loam soil over bog; timber weed. Not abundant. Phenology: vegetative only. 

R. A. Coster, 32.  7/6/1928. 		USFS 400810
_________________________________________________________________________

1671.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Beaverhead County: Beaverhead National Forest: Trapper Creek.  Elev. 6500 ft.
Gentle slope; moist, shallow soil; with willow, alder, meadow vegetation. Scarce. Phenology: vegetative only. 

John W. Long, D125.  8/3/1922. 		USFS 400809
_________________________________________________________________________

1672.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, no county County: Absaroka National Forest.  Elev. 6000 ft.
Marshy soil. Phenology: vegetative only. 

C. H. Hurst, 16.  6/18/1913. 		USFS 407895
     with Charles E. Fleming
_________________________________________________________________________

1673.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Meagher County: Absaroka National Forest.  Elev. 5500 ft.
T6N R11E S6.  
'Light' abundance. Phenology: vegetative only. 

H. M. Crane, 12.  7/8/1914. 		USFS 407896
_________________________________________________________________________

1674.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Meagher County: Absaroka National Forest.  Elev. 6500 ft.
T6N R11E S6.  
Phenology: vegetative only. 

H. M. Crane, 74.  7/25/1915. 		USFS 407897
_________________________________________________________________________

1675.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, no county County: Beaverhead National Forest.  Elev. 5500 ft.
Stony soil. Phenology: vegetative only. 

Phillip A. Clack, D832.  6/26/1921. 		USFS 407891
_________________________________________________________________________

1676.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, no county County: Beaverhead National Forest: S of Ranger Station at Swamp Creek.  Elev. 6000 ft.
Deep granitic loam soil; with willow, alder, poa. Scattered abundance. Phenology: vegetative only. 

Philip A. Clack, D813.  7/15/1922. 		USFS 407892
_________________________________________________________________________

1677.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Lincoln County: Kootenai National Forest: Purcell Mountains: 1.6 mi SSE of Pete Creek, 32.5 mi N of Troy.  Elev. 3800 ft.
T37N R33W S36 NE1/4.  
Mucky soil; beaver pond backwater; with Galium. Frequent abundance. Phenology: spores. 

Peter F. Stickney, 2295.  6/27/1971. 		USFS 400811
_________________________________________________________________________

1678.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Phillips County: Jefferson National Forest: Little Rockies District: Camp Creek.  Elev. 4000 
Southeast slope; wet soil; along creek. Phenology: vegetative only. 

A. W. Armstrong, 35.  7/11/1923. 		USFS 400799
_________________________________________________________________________

1679.  Equisetum arvense L. 				Equisetaceae

U.S.A., South Dakota, Lawrence County: Black Hills: upper Spearfish Canyon.  Elev. 4900-6100 ft.
T4N R2E S22.  44.2974 N, 103.8669 W; uncertainty 5 mi..  
Meso-canyon; white spruce and yellow pine association. Phenology: vegetative only. 

Herman E. Hayward, 1467.  6/25/1927. 		RM 110897
_________________________________________________________________________

1680.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Flathead County: Flathead National Forest: Salish Mountains: Miller Creek watershed 1.5 mi SSW of Keith Mountain and 18.5 mi WNW of Whitefish.  Elev. 4800 ft.
T32N R24W S19 SE1/4.  
0-10% slope; northeast exposure; roadside; with Ruderale in mesic conifer forest type. Phenology: spores. 

Peter F. Stickney, 2333.  7/13/1971. 		RM 400872
_________________________________________________________________________

1681.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Stillwater County: Custer National Forest: McDonald Basin: Fidler Creek.  Elev. 5600 ft.
T5S R17E S32.  
10% slope with north exposure; sandy loam soil; wet site with aspen, willow, Carex, violet, larkspur. Pathy abundance. Phenology: vegetative only. 

Charles H. McDonald, 1894.  6/1/1965. 		USFS 400804
_________________________________________________________________________

1682.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Lewis and Clark County: Lewis and Clark National Forest: Benchmark Ranger Station.  Elev. 5500 ft.
Phenology: vegetative only. 

H. H. Halvorson, 13.  8/6/1921. 		USFS 400796
_________________________________________________________________________

1683.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Flathead County: Flathead National Forest: mouth of Great Bear Creek.  Elev. 3380 ft.
Moist sandy loam soil; weed. Common. Phenology: vegetative only. 

Frank F. Liebig, 225.  7/3/1925. 		USFS 400801
_________________________________________________________________________

1684.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Powder River County: Custer National Forest: Otter Creek.  Elev. 3400 ft.
Steep slope; moist deep clay loam soil. Scattered / not very abundant. Phenology: vegetative only. 

R. B. Rolfe, 388.  6/30/1921. 		USFS 400802
_________________________________________________________________________

1685.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Meagher County: Jefferson National Forest.  Elev. 6200 ft.
T9N R8E S17.  
Moist soil; in timber; with huckleberries and pine grass. Phenology: vegetative only. 

W. A. Donaldson, D13.  8/16/1914. 		USFS 407885
_________________________________________________________________________

1686.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Chouteau County: Jefferson National Forest.  Elev. 4500 ft.
T20N R9E S33.  
East slope; sandy loam soil. Phenology: vegetative only. 

Henry W. Sutton, 32.  7/10/1914. 		USFS 407886
_________________________________________________________________________

1687.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Gallatin County: Gallatin National Forest.  Elev. 6500 ft.
T1N R7S S8.  
East slope; shallow soil. Phenology: vegetative only. 

Edward F. Foreman, 358.  7/20/1922. 		USFS 400800
_________________________________________________________________________

1688.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Lincoln County: Kootenai National Forest: Purcell Mountains: 1.6 mi SSE of Pete Creek, 32.5 mi N of Troy.  Elev. 3800 ft.
T37N R33W S36 NE1/4.  
70% slope; east exposure; road fill. Common. Phenology: vegetative only. 

Peter F. Stickney, 2294.  6/27/1971. 		USFS 400812
_________________________________________________________________________

1689.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Lincoln County: Kootenai National Forest: Purcell Mountains: 1.6 mi SSE of Pete Creek, 32.5 mi N of Troy.  Elev. 3800 ft.
T37N R33W S36 NE1/4.  
5% slope; southeast exposure; alluvial flat; in Engelmann spruce - western redcedar forest with Arnica latifolia, Rubus pedatus. Locally common. Phenology: vegetative only. 

Peter F. Stickney, 2293.  6/27/1971. 		USFS 400813
_________________________________________________________________________

1690.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, no county County: Gallatin National Forest.
Note on label reads. "Revised Mar. 15, 1914." Phenology: vegetative only. 

Lee Marston, 33.  //. 		USFS 407889
_________________________________________________________________________

1691.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Gallatin County: Gallatin National Forest: Cinnamon Creek.  Elev. 7400 ft.
East slope; wet meadow with sedge, wild timothy. Phenology: vegetative only. 

Arthur H. Abbott, 3.  7/10/1916. 		USFS 407890
_________________________________________________________________________

1692.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, no county County: Gallatin National Forest.  Elev. 6500 ft.
Loam soil; creek bottoms. Phenology: vegetative only. 

A. H. Nee, 186.  7//1921. 		USFS 407887
_________________________________________________________________________

1693.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Gallatin County: Gallatin National Forest: Ross Peak Ranger Station.  Elev. 7000 ft.
North slope; black sandy loam soil. Phenology: vegetative only. 

Edward F. Foreman, 198.  7/20/1921. 		USFS 407888
_________________________________________________________________________

1694.  Equisetum arvense L. 				Equisetaceae

U.S.A., North Dakota, Rolette County: Turtle Mountains.
Phenology: vegetative only. 

D. C. Mabbatt, 450.  9/7/1917. 		RM 111772
_________________________________________________________________________

1695.  Equisetum arvense L. 				Equisetaceae

U.S.A., North Dakota, Cass County: Kindred.
Shaded river bank. Phenology: vegetative only. 

O. A. Stevens, 106.  8/3/1934. 		RM 154193
_________________________________________________________________________

1696.  Equisetum arvense L. 				Equisetaceae

U.S.A., Nebraska, Kearney County: Newark.
Phenology: spores. 

Harry Hapeman, s.n..  5/24/1891. 		RM 242623
_________________________________________________________________________

1697.  Equisetum arvense L. 				Equisetaceae

U.S.A., North Dakota, Pembina County: Walhalla.
Phenology: vegetative only. 

L. R. Waldron, 1604.  8/12/1902. 		RM 44768
_________________________________________________________________________

1698.  Equisetum arvense L. 				Equisetaceae

U.S.A., North Dakota, Rolette County: Turtle Mountains: near Saint John.
Woodland. Phenology: vegetative only. 

J. Lunell, s.n..  6/17/1910. 		RM 157998
_________________________________________________________________________

1699.  Equisetum arvense L. 				Equisetaceae

U.S.A., Nebraska, Gage County: 
Phenology: vegetative only. 

W. C. Knight, 1176.  //. 		RM 
_________________________________________________________________________

1700.  Equisetum arvense L. 				Equisetaceae

U.S.A., North Dakota, Ward County: Des Lacs National Wildlife Refuge: west side Upper Des Lacs Lake, 4 mi NNW of Kenmare.
Moist, wooded bank. Phenology: vegetative only. 

Neil Hotchkiss, 6745.  6/19/1942. 		RM 620170
_________________________________________________________________________

1701.  Equisetum arvense L. 				Equisetaceae

U.S.A., Nebraska, Buffalo County: South bank of South Loup River: 1/4 mi W Poole.
T12N R15W S35 NE1/4 of NE1/4.  
Sandbar ditch, partially shaded, sandy, wet soil. Common. Phenology: vegetative only. 

Ralph E. Brooks, 18822.  7/16/1987. 		RM 539164
_________________________________________________________________________

1702.  Equisetum arvense L. 				Equisetaceae

U.S.A., South Dakota, Roberts County: Near United States Highway 81, 15 mi S of Sisseton.
Wooded coulee and on moraine hills. Phenology: vegetative only. 

C. L. Gilly, 869.  6/26/1953. 		RM 267053
     with G. W. Parmelee; Stella M. Wilson; P. G. Coleman.
_________________________________________________________________________

1703.  Equisetum arvense L. 				Equisetaceae

U.S.A., South Dakota, Hamlin County: Lake Florence.
T114N R52W S26 NW1/4.  
Wet meadow zone. Occasional. Phenology: vegetative only. 

Gary E. Larson, 9050.  7/6/1983. 		RM 394427
_________________________________________________________________________

1704.  Equisetum arvense L. 				Equisetaceae

U.S.A., Nebraska, Sheridan County: Metcalf Public Hunting Grounds: 18 mi N of Hay Springs  Elev. 3300 ft.
Wet bottom. Phenology: spores. 

Elray S. Nixon, 77.  5/14/1964. 		RM 275364
_________________________________________________________________________

1705.  Equisetum arvense L. 				Equisetaceae

U.S.A., Nebraska, Richardson County: Missouri River Valley: base of wooded bluff.
T1N R18E S36 E1/2.  
Edge of road, wet, sandy ground. Abundant. Phenology: spores. 

Ralph E. Brooks, 18981.  4/12/1988. 		RM 540060
_________________________________________________________________________

1706.  Equisetum arvense L. 				Equisetaceae

U.S.A., Nebraska, Sheridan County: Metcalf Public Hunting Grounds: 18 mi N of Hay Springs.  Elev. 3300 
Wet bottom. Phenology: vegetative only. 

Elray S. Nixon, 249.  9/3/1964. 		RM 275362
_________________________________________________________________________

1707.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Shirley Mountains: Cave Creek off Shirley Loop or BLM 3115 Road, ca 21 air mi SW of Shirley Basin townsite.  Elev. 8400 ft.
T26N R81W S30.  42.1952 N, 106.5787 W.  
Marshy area near creek in open lodgepole pine-subalpine fir forest. Phenology: vegetative only. 

Amy J. Roderick, 6301.  7/11/1998. 		RM 666254	Barcode: RM0125554
_________________________________________________________________________

1708.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Custer County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountains: San Isabel National Forest: along Ophir Creek off of Forest Road 360.  Elev. 9340-9400 ft.
T23S R69W S17.  38.0497 N, 105.1272 W.  
Dominant species: aspen, spruce, Douglas fir, and willow. Phenology: spores. 

Charity Hall, 464.  6/13/1998. 		RM 828608
     with Brian Jacobs and Alex Morgan
_________________________________________________________________________

1709.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: 3-3.5 mi ESE of Bennett Peak between North and South forks Corral Creek, ca 13 air mi ENE of Encampment and ca 19 air mi SE of Saratoga.  Elev. 7707-7859 ft.
T15N R82W S13; also S24; also T15N R81W S17; also S18, 19.  41.2511 N, 106.539 W to 41.265 N, 106.5391 W; NAD 83, , GPS reading.  
Aspen wooded creek in sagebrush hills, many granite outcrops. Phenology: vegetative only. 

Laura E. Lukas, 10257.  7/15/2009. 		RM 928887	Barcode: RM0089464
_________________________________________________________________________

1710.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: S of Ring Mountain, area of Maggie Creek, ca 1 air mi SE of intersection of Wyo Hwy 10 and Gyp Quarry Road, ca 7 air mi SSE of Woods Landing and ca 10 air mi SE of Foxpark.  Elev. 8009 ft.
T12N R77W S14; also S13.  41.0147 N, 105.9839 W; NAD 83, , GPS reading.  
Banks of creek in gully surrounded by sagebrush hills. Phenology: vegetative only. 

Laura E. Lukas, 11053.  8/21/2009. 		RM 928886	Barcode: RM0089463
_________________________________________________________________________

1711.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Fremont County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Sangre de Cristo Range: ca 2.4 road mi on County Road 40 from U.S. Hwy 50.  Elev. 7100-7200 ft.
T47N R11E S15 South1/2; also N1/2 S16.  38.3207 N, 105.7402 W.  
Along stream and slopes; fine-grained soil; dominant species: oak, Douglas fir, Salix, white fir, and blue spruce. Phenology: vegetative only. 

Charity Hall, 790.  6/15/1998. 		RM 828607
     with Brian Jacobs and Alex Morgan
_________________________________________________________________________

1712.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Chaffee County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: ca 0.7 road mi on County Road 212 from intersection with County Road 210.  Elev. 8150-8400 ft.
T49N R7E S13.  38.5024 N, 106.1425 W.  
By stream and adjacent slopes; dominant species: Artemisia, skunkbrush, pinyon, juniper, and aspen. Phenology: vegetative only. 

Charity Hall, 885.  6/17/1998. 		RM 828611
     with Brian Jacobs and Alex Morgan
_________________________________________________________________________

1713.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Fremont County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Sangre de Cristo Range: San Isabel National Forest: ca 3.4 road mi on Forest 101 from U.S. Hwy 50.  Elev. 7900-8150 ft.
T49N R9E S27 South1/4.  38.4742 N, 105.9616 W.  
Along small stream and slopes; dominant species: oak, Acer, Salix, and juniper. Phenology: vegetative only. 

Charity Hall, 998.  6/17/1998. 		RM 828610
     with Brian Jacobs and Alex Morgan
_________________________________________________________________________

1714.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Fergus County: Lewis and Clark National Forest: Big Snowy Mountains: Forest Road 270-A, at locked gate; along East Fork Timber Creek to water fall, passed water fall to spring , ca 15 air mi NE of Judith Gap.  Elev. 1868 m.
T11N R18E S4.  46.7462 N, 109.4663 W; NAD 83, uncertainty 1 mi., GPS reading.  
Along stream, up water fall to spring; Pseudotsuga menziesii forest; limestone bedrock. Phenology: vegetative only. 

Rick McNeill, 1763.  7/7/2008. 		RM 
_________________________________________________________________________

1715.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Lewis and Clark County: Lewis and Clark National Forest: Front Range: along Forest Trail 212, from the junction with Forest Trail 248, N through burned area.  Elev. 1791 m.
T19N R10W S14.  47.4069 N, 112.8469 W; NAD 83, uncertainty 0.5 mi., GPS reading.  
Low elevation, two year old burn area; northwest and west aspect, 0-35% slope; limestone bedrock. Phenology: vegetative only. 

Rick McNeill, 2231.  7/15/2008. 		RM 
_________________________________________________________________________

1716.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Chouteau County: Lewis and Clark National Forest: Highwood Mountains: along South Fork Highwood Road, Forest Road 121, ca 2 air mi S of junction with Forest Road 8841.  Elev. 1378 m.
T20N R9E S28.  47.4676 N, 110.5948 W; NAD 83, uncertainty 0.25 mi., GPS reading.  
Upland and cliff area; PSUE, Populus; stream running N to S, west aspect, upland slope 65%; shonkinite. Phenology: vegetative only. 

Rick McNeill, 2392.  7/21/2008. 		RM 
_________________________________________________________________________

1717.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Flathead County: Flathead National Forest: Front Range: along Pinnacle Creek Road, ca 17 air mi E of Hungry Horse.  Elev. 1424 m.
T30N R16W S20.  48.3462 N, 113.6745 W; NAD 83, uncertainty 0.25 mi., GPS reading.  
Picea engelmannii/Pseudotsuga menziesii forest; northeast aspect, 0-25% slope; sedimentary rock. Phenology: vegetative only. 

Rick McNeill, 2459.  7/24/2008. 		RM 
_________________________________________________________________________

1718.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Flathead County: Flathead National Forest: Front Range: Forest Road 569 along Puzzle Creek, ca 10 air mi SE of Summit on U.S. Hwy 2.  Elev. 1841 m.
T28N R13W S11.  48.2046 N, 113.2554 W; NAD 83, uncertainty 0.25 mi., GPS reading.  
West hill slope in Abies lasiocarpa/Picea engelmannii forest; southwest aspect, 15-30% slope; sedimentary rock. Phenology: vegetative only. 

Rick McNeill, 2520.  7/24/2008. 		RM 
_________________________________________________________________________

1719.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Flathead County: Flathead National Forest: Front Range: Forest Road 569-G, along tributary to Puzzle Creek, ca 9 air mi SE of Summit on U.S. Hwy 2.  Elev. 1812 m.
T29N R13W S35.  48.2258 N, 113.2692 W; NAD 83, uncertainty 0.25 mi., GPS reading.  
Exposed rocky outcrop in Picea engelmannii/Abies lasiocarpa forest; south aspect, 5-45% slope; sedimentary rock. Phenology: vegetative only. 

Rick McNeill, 2548.  7/24/2008. 		RM 
_________________________________________________________________________

1720.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Lewis and Clark County: Lewis and Clark National Forest: Front Range: along spring south side of Deadman Hill, ca 4 air mi NW of South Fork Sun River Trail head  Elev. 2022 m.
T21N R11W S36.  47.5274 N, 112.9589 W; NAD 83, uncertainty 0.25 mi., GPS reading.  
Spring in heavily burned area; south aspect, 35-60% slope; sandstone bedrock. Phenology: vegetative only. 

Rick McNeill, 2795.  7/28/2008. 		RM 
_________________________________________________________________________

1721.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Lewis and Clark County: Lewis and Clark National Forest: Front Range: along South Fork Sun River at campground, ca 1 air mi N of the junction of South Fork Sun River with Wood Creek.  Elev. 1614 m.
T20N R10W S9.  47.5028 N, 112.8886 W; NAD 83, uncertainty 0.25 mi., GPS reading.  
Riparian zone along river; Picea engelmannii/Populus tremuloides/Pseudotsuga menziesii; sandstone/limestone bedrock. Phenology: vegetative only. 

Rick McNeill, 2921.  7/29/2008. 		RM 
_________________________________________________________________________

1722.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Meagher County: Lewis and Clark National Forest: Castle Mountains: along Forest Road 581, ca 2 air mi N of Castle Town, where road crosses Hamilton Creek.  Elev. 2026 m.
T8N R8E S11.  46.4688 N, 110.6847 W; NAD 83, uncertainty 0.25 mi., GPS reading.  
Riparian zone, Pinus contorta; southwest aspect, 15-30% slope; limestone bedrock. Phenology: vegetative only. 

Rick McNeill, 3011a.  8/5/2008. 		RM 
_________________________________________________________________________

1723.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Fergus County: Lewis and Clark National Forest: Big Snowy Mountains: Half Moon Canyon.  Elev. 6535-7173 ft.
T12N R19E S27.  46.7708 N, 109.3161 W to 46.7691 N, 109.3399 W; NAD 83, uncertainty 1.25 mi., GPS reading.  
Sub alpine meadows with seep. Phenology: vegetative only. 

Ronald L. Hartman, 88195.  8/10/2008. 		RM 
_________________________________________________________________________

1724.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Meagher County: Junction of U.S. Hwys 12 and 89, ca 2.5 air mi ENE of White Sulphur Springs.  Elev. 5140 ft.
T9N R7E S4.  46.5656 N, 110.856 W; NAD 83, uncertainty 0.25 mi., GPS reading.  
Roadside with stream. Phenology: vegetative only. 

Ronald L. Hartman, 88285.  8/12/2008. 		RM 
_________________________________________________________________________

1725.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Park County: Absaroka Range: Gallatin National Forest: between powerlines on volcanic bluff above road, ca 1 air mi NE of Gardiner, .  Elev. 5825 ft.
T9S R8E S24 NW1/4.  45.03761 N, 110.6919 W; WGS 84, , GPS reading.  
Along riparian area. Phenology: spores. 

Emily Elliott, 4454.  6/8/2008. 		USFS 872245	Barcode: USFS0058939
     with Brian Elliott
_________________________________________________________________________

1726.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Park County: Absaroka Range: Gallatin National Forest: at end of Forest Road 3245, ca 4 air mi NE of Gardiner .  Elev. 7606 ft.
T9S R9E S5 NW1/4.  45.082 N, 110.6615 W; WGS 84, , GPS reading.  
Wet sedge meadow. Phenology: spores. 

Emily Elliott, 4492.  6/9/2008. 		USFS 872246	Barcode: USFS0058940
     with Brian Elliott
_________________________________________________________________________

1727.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Park County: Absaroka Range: Gallatin National Forest: along Forest Road 3245 between switchbacks, ca 2 mi NE of Gardiner .  Elev. 6350 ft.
T9S R8E S13 NE1/4.  45.0512 N, 110.6784 W; WGS 84, , GPS reading.  
Along beaver ponds and in saturated meadow. Phenology: vegetative only. 

Emily Elliott, 4552.  6/9/2008. 		USFS 872103	Barcode: USFS0058926
     with Brian Elliott
_________________________________________________________________________

1728.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Gallatin County: Gallatin Range: Gallatin National Forest: along Forest Road 1702, before the Tom Miner Trailhead, ca 18.5 air mi WNW of Gardiner .  Elev. 7500 ft.
T8S R5E S24 N1/2.  45.1242 N, 111.0668 W; WGS 84, , GPS reading.  
Moist, dense conifer forest. Phenology: spores. 

Emily Elliott, 4773.  6/19/2008. 		USFS 872247	Barcode: USFS0058941
     with Brian Elliott
_________________________________________________________________________

1729.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Gallatin County: Gallatin Range: at I-90 exit 316 (Chestnut) by Meadow Creek at Trail Creek Road, ca 8 air mi ESE of Bozeman.  Elev. 5300 ft.
T2S R7E S20 SE1/4.  45.6476 N, 110.8855 W; WGS 84, , GPS reading.  
Warm wet seep on steep slope and boggy areas around seep. Phenology: vegetative only. 

Emily Elliott, 4948.  6/22/2008. 		RM 938786	Barcode: RM0109286
_________________________________________________________________________

1730.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Sweet Grass County: Beartooth Mountains: Gallatin National Forest: NE of Derby Mountain off Forest Road 6674, ca 17.5 air mi SSE of Big Timber.  Elev. 5700 ft.
T3S R15E S2 SE1/4.  45.5993 N, 109.8337 W; WGS 84, , GPS reading.  
Reparian area and moist meadow in recently burned area. Phenology: vegetative only. 

Emily Elliott, 5064.  6/24/2008. 		USFS 872248	Barcode: USFS0058942
     with Brian Elliott
_________________________________________________________________________

1731.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Park County: Gallatin Range: Gallatin National Forest: along Forest Road 2500 and Big Creek at intersection with Hylite Creek, ca 29 air mi SW of Livingston.  Elev. 5500 ft.
T6S R7E S17 SW1/4; also SE1/4 S18.  45.3109 N, 110.8972 W; WGS 84, , GPS reading.  
Shaded riparian area and boggy area along creek. Phenology: vegetative only. 

Emily Elliott, 5148.  6/26/2008. 		USFS 872249	Barcode: USFS0058943
     with Brian Elliott
_________________________________________________________________________

1732.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Park County: Paradise Valley: U.S. Hwy 89 and the Yellowstone River at Grey Owl Boat ramp and fishing access, ca 19 air mi SSW of Livingston.  Elev. 4800 ft.
T5S R8E S14 SW1/4.  45.3977 N, 110.7042 W; WGS 84, , GPS reading.  
Riparian area in flooded flood plain. Phenology: vegetative only. 

Emily Elliott, 5205.  6/26/2008. 		RM 938787	Barcode: RM0109287
     with Brian Elliott
_________________________________________________________________________

1733.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Park County: Absaroka Range: Gallatin National Forest: along Suce Creek Trail to Elephanthead Mountain, ca 9 air mi SE of Livingston; then N to Mission Creek.  Elev. 7200-8800 ft.
T3S R10E S23 S1/2; also SW1/4 S24.  45.5599 N, 110.4571 W; WGS 84, , GPS reading.  
South-facing subalpine with freeze/thaw and rodent disturbance surrounded by Abies and Pinus flexilis. Phenology: spores. 

Emily Elliott, 5358.  6/28/2008. 		USFS 872250	Barcode: USFS0058944
     with Brian Elliott
_________________________________________________________________________

1734.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Custer County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountain Valley: Brush Hollow Road (County Road 260) along Brush Hollow Creek.  Elev. 8300-8500 ft.
T21S R71W S32 South1/2.  38.181 N, 105.3468 W.  
Metamorphic outcrops, roadside, and stream bottom. Phenology: spores. 

Ronald L. Hartman, 60722.  6/1/1998. 		RM 828591
     with Melanie Arnett, Charity Hall, Brian Jacobs, and Alex Morgan
_________________________________________________________________________

1735.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Park County: Absaroka Range: Gallatin National Forest: from West Boulder Trailhead, along trail and West Boulder River to West Boulder Meadows, ca 27 air mi SW of Big Timber.  Elev. 5700 ft.
T3S R11E S25 SW1/4.  45.5385 N, 110.3139 W; WGS 84, , GPS reading.  
Kettle pond. Phenology: vegetative only. 

Emily Elliott, 6830.  8/2/2008. 		USFS 872251	Barcode: USFS0058945
     with Brian Elliott
_________________________________________________________________________

1736.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Park County: Absaroka Range: Gallatin National Forest: near West Boulder River in West Boulder Meadows, ca 29 air mi SW of Big Timber.  Elev. 5700-5720 ft.
T4S R11E S2.  45.5156 N, 110.333 W; WGS 84, , GPS reading.  
Slough area. Phenology: vegetative only. 

Emily Elliott, 6882.  8/3/2008. 		USFS 872252	Barcode: USFS0058946
     with Brian Elliott
_________________________________________________________________________

1737.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Beartooth Mountains: Shoshone National Forest: from end of Forest Road 1301A that goes past Mud Lake along trail to Lake Reno on trail towards Crazy Mountain, ca 27.5-28.5 air mi WSW of Red Lodge.  Elev. 8000-9600 ft.
T58N R107W S26 NW1/4; also SE1/4 S23 and S24.  44.9842 N, 109.7604 W to 44.9915 N, 109.7387 W; WGS 84, , GPS reading.  
Wet meadows and riparian areas. Phenology: vegetative only. 

Emily Elliott, 7271.  8/12/2008. 		RM 862916	Barcode: USFS0043969
     with Bernadette Kuhn
_________________________________________________________________________

1738.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Fremont County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountain Valley: Bear Gulch at Grape Creek.  Elev. 6800-6850 ft.
T20S R71W S8 South1/2.  38.3282 N, 105.3496 W.  
Rocky slopes with oak and pinyon and area along creek. Phenology: vegetative only. 

Ronald L. Hartman, 60809.  6/1/1998. 		RM 828590
     with Melanie Arnett, Charity Hall, Brian Jacobs, and Alex Morgan
_________________________________________________________________________

1739.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Sweet Grass County: Beartooth Mountains: Gallatin National Forest: along Forest Road 2140 W of East Boulder River, ca 29 air mi SSW of Big Timber.  Elev. 9000 ft.
T5S R13E S3.  45.4253 N, 110.1059 W; WGS 84, , GPS reading.  
Moist to wet meadow with abundant white Platanthera. Phenology: vegetative only. 

Emily Elliott, 7687.  8/20/2008. 		USFS 872253	Barcode: USFS0058947
     with Brian Elliott
_________________________________________________________________________

1740.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Park County: Beartooth Mountains: Custer National Forest: Forest Road 3219, near (NW) Daisy Pass to upper Stillwater River, ca 3-5.5 air mi NW of Cooke City.  Elev. 9160-9240 ft.
T9S R14E S9 NE1/4; also W1/2 S4 and NW1/4 S5.  45.0614 N, 109.9634 W; WGS 84, , GPS reading.  
Riparian areas. Phenology: vegetative only. 

Emily Elliott, 7852.  8/23/2008. 		RM 866582	Barcode: USFS0044080
     with Brian Elliott
_________________________________________________________________________

1741.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Park County: Absaroka Range: Gallatin National Forest: Absaroka/ Beartooth Wilderness: along Rock Creek Trail above Lake Abundance Creek, ca 10 air mi NW of Cooke City, .  Elev. 7240-8480 ft.
T8S R13E S27 N1/2; also SE1/4 S22 and NW1/4 S23.  45.1056 N, 110.0937 W; WGS 84.  
Riparian areas. Phenology: vegetative only. 

Emily Elliott, 7965.  8/24/2008. 		USFS 872260	Barcode: USFS0058948
_________________________________________________________________________

1742.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Park County: Absaroka Range: Gallatin National Forest: Absaroka/ Beartooth Wilderness: along Wounded Man Creek N of Horsehoe Mountain, ca 12-13 air mi NW of Cooke City  Elev. 7600-8760 ft.
T8S R13E S2.  45.1637 N, 110.0693 W; WGS 84, , GPS reading.  
Moist meadow with receding standing water. Phenology: vegetative only. 

Emily Elliott, 8084.  8/25/2008. 		USFS 872261	Barcode: USFS0058949
     with Brian Elliott
_________________________________________________________________________

1743.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Judith Basin County: Lewis and Clark National Forest: Little Belt Mountains: Forest Road 120 along Dry Fork Belt Creek, ca 0.3 mi SE of junction with Forest Road 3350.  Elev. 1702 m.
T15N R9E S19.  47.0456 N, 110.6248 W; NAD 83, GPS reading.  
Riparian of flood plain. Phenology: vegetative only. 

Rick McNeill, 5601.  7/1/2009. 		RM 
_________________________________________________________________________

1744.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Judith Basin County: Lewis and Clark National Forest: Little Belt Mountains: Paine Gulch, Forest Trail 737, ca 1.5-4 air mi SSE of Monarch.  Elev. 1442 m.
T15N R8E S12.  47.0608 N, 110.7669 W; NAD 83, , GPS reading.  
Intermittent stream, flowing southeast to northwest; 0-15% slope; limestone canyon; Pinus ponderosa, Pseudotsuga menziesii, Picea engelmannii. Phenology: vegetative only. 

Rick McNeill, 5630.  7/1/2009. 		RM 
_________________________________________________________________________

1745.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Cascade County: Lewis and Clark National Forest: Little Belt Mountains: Pilgrim Creek, ca 0.4 mi SSW of confluence with Belt Creek, ca 1.5 air mi SSE of Logging Creek Campground.  Elev. 1588 m.
T16N R6E S26.  47.1138 N, 110.9301 W; NAD 83, GPS reading.  
Narrow canyon going south to north; limestone; 0-5% slope; forested, Picea engelmannii and Pseudotsuga menziesii. Phenology: vegetative only. 

Rick McNeill, 5886.  7/3/2009. 		RM 
     with Matt Voigt
_________________________________________________________________________

1746.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Judith Basin County: Lewis and Clark National Forest: Little Belt Mountains: confluence of Lost Fork and Middle Fork Judith River.  Elev. 1585 m.
T12N R11E S6.  46.8363 N, 110.3797 W; NAD 83, GPS reading.  
Wooded riparian zone, Picea engelmannii, flat. Phenology: vegetative only. 

Rick McNeill, 6784.  7/18/2009. 		RM 
     with Matt Voigt
_________________________________________________________________________

1747.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Meagher County: Lewis and Clark National Forest: Crazy Mountains: where County Road 66 (Forest Lake Road) crosses West Fork Cottonwood Creek.  Elev. 1837 m.
T6N R10E S11.  46.2969 N, 110.4503 W; NAD 83, GPS reading.  
Gravel bar, upstream from bridge. Phenology: vegetative only. 

Rick McNeill, 7268.  7/20/2009. 		RM 
_________________________________________________________________________

1748.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Cascade County: Lewis and Clark National Forest: Little Belt Mountains: Forest Road 267 along Jefferson Creek, ca 1/4 mi upstream from confluence with Chamberlain Creek.  Elev. 1870 m.
T13N R8E S2.  46.9105 N, 110.6645 W; NAD 83, GPS reading.  
Riparian meadow with scattered Pseudotsuga menziesii, Picea englemannii, and Pinus contorta. Phenology: vegetative only. 

Rick McNeill, 7840.  8/1/2009. 		RM 
_________________________________________________________________________

1749.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Cascade County: Lewis and Clark National Forest: Little Belt Mountains: Forest Road 6414, ca 0.5 mi SW of junction with Forest Road 839, ca 1.7 air mi NW of Porphyry Peak.  Elev. 2249 m.
T13N R8E S30.  46.8541 N, 110.7464 W; NAD 83, GPS reading.  
Spring in wooded meadow, Abies lasiocarpa and Pinus contorta; northeast aspect; 0-15% slope. Phenology: vegetative only. 

Rick McNeill, 8109.  8/4/2009. 		RM 
_________________________________________________________________________

1750.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Cascade County: Lewis and Clark National Forest: Little Belt Mountains: Onion Park, Forest Road 840, between junction with Forest Road 586 and Tenderfoot Creek.  Elev. 2200 m.
T13N R7E S4.  46.9156 N, 110.8596 W; NAD 83, GPS reading.  
Wet meadow, stream flowing northwest; 0-10% slope; scattered Abies lasiocarpa. Phenology: vegetative only. 

Rick McNeill, 8258.  8/4/2009. 		RM 
_________________________________________________________________________

1751.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: ca 3 air mi SSW of La Veta on Colo Hwy 12 at Cuchuras River crossing.  Elev. 7400-7450 ft.
T30S R68W S8.  37.4491 N, 105.0206 W.  
Grassy areas and rock outcrop. Phenology: vegetative only. 

Ronald L. Hartman, 61762.  6/20/1998. 		RM 828589
_________________________________________________________________________

1752.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Carter County: Custer National Forest: Long Pines: Wickham Gulch in the vicinity of Wickham Spring No. 1, ca 5.5 air mi NW of Camp Creek, SD.  Elev. 3400-3600 ft.
T3S R62E S16 NE1/4.  45.5801 N, 104.0713 W; NAD 83, , GPS reading.  
Bushy northernly-facing slope at the edge of a marsh. Phenology: vegetative only. 

B. E. Nelson, 77094.  6/12/2009. 		USFS 885842	Barcode: USFS0049748
     with Hans Hallman
_________________________________________________________________________

1753.  Equisetum arvense L. 				Equisetaceae

U.S.A., South Dakota, Harding County: East Short Pine Hills: ca 0.5 air mi N of Forest Road 3111, ca 6 air mi E of Harding.  Elev. 3620-3980 ft.
T16N R3E S2 NE1/4; also NW1/4 S1 and T17N R3E SE1/4 S35.  45.3833 N, 103.7103 W; NAD 83, , GPS reading.  
Wet hardwood draw dominated by green ash. Phenology: vegetative only. 

Hans Hallman, 522.  6/14/2009. 		RM 
_________________________________________________________________________

1754.  Equisetum arvense L. 				Equisetaceae

U.S.A., South Dakota, Harding County: Custer National Forest: Slim Buttes: in and around draws SE of junction of North Divide or Forest Road 3125 and Forest Road 3145 in the vicinity of Camp Spring, ca 4.5 air mi S of Reva Gap, ca 19 air mi ESE of Buffalo.  Elev. 3380-3440 ft.
T17N R8E S6.  45.4683 N, 103.1881 W; NAD 83, , GPS reading.  
In and near flowing water draw dominated by green ash, grasses, and sedges. Phenology: vegetative only. 

Hans Hallman, 2357.  7/17/2009. 		USFS 891564	Barcode: USFS0058525
_________________________________________________________________________

1755.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Carter County: Custer National Forest: Ekalaka Hills: just NW of Ekalaka Park off of Forest Road 3818A, ca 1/4 air mi N of Hidden Spring, ca 6.5 air mi SSE of Ekalaka.  Elev. 3920-3960 ft.
T1N R58E S33 N1/2.  45.8004 N, 104.5156 W; NAD 83, , GPS reading.  
Hardwood draw dominated by green ash, boxelder, and grasses. Phenology: vegetative only. 

Hans Hallman, 3417.  7/30/2009. 		USFS 885843	Barcode: USFS0049749
_________________________________________________________________________

1756.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Carter County: Custer National Forest: Long Pines: in Cheesman Draw, just NE of Pioneer Cemetery off of Forest Road 3045, ca 8.5 air mi WNW of Camp Cook, SD.  Elev. 3630-3670 ft.
T3S R61E S12 South1/2.  45.5862 N, 104.144 W; NAD 83, , GPS reading.  
In and near margin of reservoir. Phenology: vegetative only. 

Hans Hallman, 3974.  8/11/2009. 		USFS 891563	Barcode: USFS0058524
_________________________________________________________________________

1757.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Pueblo County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountains: Greenhorn Trail.  Elev. 8000-9000 ft.
T24S R68W S33.  37.9184 N, 104.9991 W.  
Coniferous forest. Phenology: vegetative only. 

Ronald L. Hartman, 62900.  8/10/1998. 		RM 828588
     with Craig Freeman
_________________________________________________________________________

1758.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Custer County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountains: north side of Lake Isabel W to road bridge over Saint Charles River.  Elev. 8400-8800 ft.
T24S R69W S1 SE1/4; also NW1/4 S12.  37.9913 N, 105.054 W.  
Edge of lake, grassy flats, and coniferous forests. Phenology: vegetative only. 

Ronald L. Hartman, 63115.  8/13/1998. 		RM 828587
     with Craig Freeman
_________________________________________________________________________

1759.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Park County: Beartooth Mountains: Shoshone National Forest: between Clarks Fork Trailhead and Table Mountain, ca 17 air mi SE of Cooke City, Montana.  Elev. 6740 ft.
T57N R106W S26.  44.8876 N, 109.6379 W; WGS 84, , GPS reading.  
Old beaver pond and wet spruce bog. Phenology: vegetative only. 

Brian Elliott, 14092.  7/6/2008. 		RM 862917	Barcode: USFS0043970
_________________________________________________________________________

1760.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Park County: Crazy Mountains: Gallatin National Forest: just N of the Shields River Road (Forest Road 844), ca 20 mi NE of Wilsall.  Elev. 6680 ft.
T5N R11E S19.  46.1632 N, 110.3987 W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO!.  
Under Picea glauca and P. engelmannii with Vaccinium scoparium, Carex disperma, and Mitella pentandra. Phenology: vegetative only. 

Erwin F. Evert, 39327.  7/9/2002. 		RM 909006	Barcode: RM0039341
_________________________________________________________________________

1761.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Fremont County: Island Park Plateau: Targhee National Forest: along the east side of  Henrys Fork 1 mi NW of Big Springs, ca 16 mi SW of West Yellowstone, Montana.  Elev. 6400 ft.
T14N R44E S29.  44.5069 N, 111.282 W; NAD 83, uncertainty 0.5 mi., Nat. Geog. TOPO!.  
Wet meadow-willow swamp with Salix geyeriana, Carex utriculata, and Potentilla palustris. Phenology: vegetative only. 

Erwin F. Evert, 39707.  7/31/2002. 		RM 908657	Barcode: RM0038637
_________________________________________________________________________

1762.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Bridger-Teton National Forest: Sheffield Creek near Flagg Ranch, ca 20 air mi NW of Moran; ca 31 air mi N of Moose.  Elev. 6880 ft.
T48N R115W S28 SE1/4.  44.0878 N, 110.6536 W; GPS Reading.  
Mesic herbaceous meadow in area burned in 1988. Phenology: spores. 

David Scott, 569.  6/14/2006. 		RM 834560	Barcode: RM0012187
     with B. E. Nelson
_________________________________________________________________________

1763.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Crook County: Black Hills National Forest: ca 12.5 air mi W (265°) of Spearfish, SD, E of Sand Creek Road in the vicinity of Dugout Gulch.  Elev. 3940 ft.
T52N R60W S19 SW1/4 SW1/4.  570902E, 4925339N; NAD 83, GPS reading.  
Riparian corridor dominated by Ostrya virginiana. Survey ID: 10DUG001 Phenology: vegetative only. 

Brian Elliott, 14816.  6/1/2010. 		RM 
_________________________________________________________________________

1764.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Fremont County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Sangre de Cristo Range: Howard Creek, ca 1 air mi upstream from confluence with Porters Gulch.  Elev. 8150-8400 ft.
T48N R9E S7; also T48N R8E S12.  38.4175 N, 106.0184 W.  
Coniferous forest mixed with oak and grassland. Phenology: vegetative only. 

Ronald L. Hartman, 63773.  8/19/1998. 		RM 828586
_________________________________________________________________________

1765.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Teton County: Lewis and Clark National Forest: Front Range: Cave Mountain Campground, on Forest Road 144, junction of West Fork and Middle Fork Teton River, ca 7 air mi SE of West Fork Teton River Campground, ca 7 air mi NE of Rocky Mountain.  Elev. 1565 m.
T25N R9W S26.  47.8884 N, 112.7225 W; NAD 83, uncertainty 0.25 mi., GPS reading.  
Riparian with numerous beaver dams. Phenology: vegetative only. 

Rick McNeill, 3623b.  8/14/2008. 		RM 
_________________________________________________________________________

1766.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Mesa County: Battlement Mesa: White River National Forest: West Branch Dry Hollow Creek at forest boundary, ca 11-12 air mi SSE of Rifle.  Elev. 7160-7600 ft.
T8S R93W S13; also T8S R92W S18.  39.3654 N, 107.7139 W; NAD 83, , GPS reading.  
Morist meadow with juniper and gooseberry. Phenology: spores. 

Michael K. Kirkpatrick, 616.  5/25/2010. 		USFS 898947	Barcode: USFS0060540
_________________________________________________________________________

1767.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Garfield County: Battlement Mesa: White River National Forest: between Cottonwood and Cache creeks, S of Holms Mesa, ca 10 air mi SW of Rifle.  Elev. 7550-8000 ft.
T7S R94W S20 W1/2; also S19 NE1/4 NE1/4.  39.4315 N, 107.914 W; NAD 83, , GPS reading.  
Riparian corridor through oakbrush shrubland. Phenology: spores. 

Michael K. Kirkpatrick, 768a.  5/29/2010. 		USFS 
_________________________________________________________________________

1768.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Mesa County: Battlement Mesa: White River National Forest: upper Wallace Creek drainage, ca 6-7 air mi NNW of Collbran.  Elev. 7400-8600 ft.
T8S R95W S27; also S28, S33, S34, and S35.  39.3295 N, 107.9931 W; NAD 83, , GPS reading.  
Riparian channel and wet meadow. Phenology: spores. 

Michael K. Kirkpatrick, 871a.  5/31/2010. 		RM 
_________________________________________________________________________

1769.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Pitkin County: White River National Forest: above a side drainage W of South Thompson Creek, ca 9 air mi SSW of Carbondale.  Elev. 7900-8130 ft.
T9S R89W S13 NE1/4.  39.2758 N, 107.2769 W; NAD 83, , GPS reading.  
Riparian corridor with aspen, alder, and conifers with a sedge-forb understory. Phenology: vegetative only. 

Michael K. Kirkpatrick, 1189.  6/9/2010. 		RM 
_________________________________________________________________________

1770.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Garfield County: White River National Forest: along East Divide Creek, ca 3 air mi WSW of Bald Mountain and 14 air mi S of New Castle.  Elev. 8320-8400 ft.
T8S R90W S7 SE1/4.  39.3689 N, 107.4744 W; NAD 83, , GPS reading.  
Riparian corridor through aspen and mixed conifer forest and openings. Phenology: vegetative only. 

Michael K. Kirkpatrick, 1297.  6/11/2010. 		RM 
_________________________________________________________________________

1771.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Garfield County: White River National Forest: Fourmile Creek W of Sunlight Ski Area, ca 11 air mi SSW of Glenwood Springs at the junction of I-70 and Colo Hwy 82.  Elev. 8520-8800 ft.
T7S R89W S31; also S32.  39.4035 N, 107.3601 W to 39.4074 N, 107.3588 W; NAD 83, , GPS reading.  
Aspen grove and riparian corridor. Phenology: spores. 

Michael K. Kirkpatrick, 1357.  6/13/2010. 		RM 
_________________________________________________________________________

1772.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Eagle County: USFS-administered "tree farm" along the north shore of the Roaring Fork River, ca 1 air mi WSW of El Jebel.  Elev. 6400-6450 ft.
T8S R87W S4; also S5.  39.3945 N, 107.1056 W; NAD 83, , GPS reading.  
Riparian wetlands, woodlands, and dry meadows. Phenology: vegetative only. 

Michael K. Kirkpatrick, 1412a.  6/15/2010. 		RM 
_________________________________________________________________________

1773.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Pitkin County: Elk Mountains: White River National Forest: east bank of Crystal River at Redstone Campground, ca 13 air mi S of Carbondale.  Elev. 7160 ft.
T10S R88W S17 NE1/4 NE1/4.  39.1961 N, 107.2331 W; NAD 83, , GPS reading.  
Riparian shoreline with gravel bars. Phenology: vegetative only. 

Michael K. Kirkpatrick, 1527a.  6/16/2010. 		RM 
_________________________________________________________________________

1774.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Eagle County: White River National Forest: Taylor Creek, between Seven Castles and Otto Creek, ca 2 air mi ENE of Christine State Wildlife Area and ca 5 air mi ENE of Basalt.  Elev. 7280 ft.
T8S R86W S1 NW1/4 NE1/4.  39.3915 N, 106.9406 W; NAD 83, , GPS reading.  
Channelized riparian corridor and aspen grove with open meadow. Phenology: vegetative only. 

Michael K. Kirkpatrick, 1708a.  6/20/2010. 		RM 
_________________________________________________________________________

1775.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Eagle County: Red Table Mountain: White River National Forest: Red Creek Road (Forest Road 425) and valley S of Gypsum Creek, ca 13 air mi SSE of Gypsum.  Elev. 8920-9320 ft.
T7S R85W S2.  39.4816 N, 106.8434 W to 39.4675 N, 106.8524 W; NAD 83, , GPS reading.  
Subalpine riparian woodland and wet meadow. Phenology: spores. 

Michael K. Kirkpatrick, 2007.  6/24/2010. 		RM 
_________________________________________________________________________

1776.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Pitkin County: White River National Forest: Baylor Park, along North Thompson Creek, ca 13 air mi WSW of Carbondale.  Elev. 9460-9520 ft.
T8S R90W S27 SW1/4.  39.3276 N, 107.4338 W; NAD 83, , GPS reading.  
Wet meadow with seeps, willow carrs, and riparian corridor. Phenology: spores. 

Michael K. Kirkpatrick, 2083.  6/27/2010. 		RM 
_________________________________________________________________________

1777.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Costilla County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Sangre de Cristo Range: Forbes Trinchera Ranch: Big Ute Creek (a tributary of the East Fork Ute Creek), ca 11 air mi NNE of Fort Garland.  Elev. 9400 ft.
37.5958 N, 105.3833 W.  
Picea engelmannii, Populus tremuloides. Phenology: vegetative only. 

Brian Elliott, 10831.  8/12/1999. 		RM 828887
     with Elizabeth Mark
_________________________________________________________________________

1778.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Pitkin County: White River National Forest: Coal Creek and adjacent road (Forest Road 307), ca 2 air mi SE of Coal Basin, ca 14 air mi SSW of Carbondale.  Elev. 8150-8400 ft.
T10S R89W S10 W1/2.  39.2021 N, 107.3174 W; NAD 83, , GPS reading.  
Riparian corridor with willow and alder at edge of spruce-fir forest. Phenology: vegetative only. 

Michael K. Kirkpatrick, 2214a.  7/1/2010. 		RM 
_________________________________________________________________________

1779.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Pitkin County: White River National Forest: Hunter Creek, ca 2 air mi NE of Aspen.  Elev. 8550-9000 ft.
T10S R84W S4; also S5.  39.2076 N, 106.7957 W; NAD 83, , GPS reading.  
Riparian corridor lined with willows and alder. Phenology: vegetative only. 

Michael K. Kirkpatrick, 2311a.  7/3/2010. 		RM 
_________________________________________________________________________

1780.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Pitkin County: Elk Mountains: White River National Forest: Maroon Creek, ca 1 mi below the confluence of East and West Maroon creeks, ca 6 air mi SW of Aspen.  Elev. 8700-8800 ft.
T11S R85W S5 E1/2 SW1/4.  39.1235 N, 106.9072 W to 39.1214 N, 106.9071 W; NAD 83, , GPS reading.  
Pond and riparian habitats in spruce-fir forest and openings. Phenology: vegetative only. 

Michael K. Kirkpatrick, 2455.  7/5/2010. 		RM 
_________________________________________________________________________

1781.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Summit County: Gore Range: Arapaho National Forest: North Rock Creek near boundary of Eagles Nest Wilderness, ca 7 air mi NW of Silverthorne and ca 9 air mi SSE of Green Mountain Reservoir.  Elev. 9480-9620 ft.
T4S R78W S18 W1/2.  39.7087 N, 106.1661 W to 39.7035 N, 106.1702 W; NAD 83, , GPS reading.  
Fen and wetland areas along forested riparian corridor. Phenology: vegetative only. 

Michael K. Kirkpatrick, 2532.  7/8/2010. 		RM 
_________________________________________________________________________

1782.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Summit County: Gore Range: Arapaho National Forest: North Rock Creek near boundary of Eagles Nest Wilderness, ca 7 air mi NW of Silverthorne and ca 9 air mi SSE of Green Mountain Reservoir.  Elev. 9480-9620 ft.
T4S R78W S18 W1/2.  39.7087 N, 106.1661 W to 39.7035 N, 106.1702 W; NAD 83, , GPS reading.  
Fen and wetland areas along forested riparian corridor. Phenology: spores. 

Michael K. Kirkpatrick, 2542.  7/8/2010. 		RM 
_________________________________________________________________________

1783.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Eagle County: Gore Range: White River National Forest: Lone Lick Lakes, on the north slope of Piney Ridge, ca 8 air mi E of State Bridge.  Elev. 9840-10080 ft.
T2S R81W S31 SW1/4.  39.8446 N, 106.4979 W; NAD 83, , GPS reading.  
Ponds and wet meadows in forest openings. Phenology: spores. 

Michael K. Kirkpatrick, 2679.  7/11/2010. 		RM 
_________________________________________________________________________

1784.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Eagle County: Gore Range: White River National Forest: Ptarmigan Pass and east side of Ptarmigan Hill, ca 3 air mi SW of Vail Pass.  Elev. 11600-11800 ft.
T6S R79W S30 SE1/4; also S29 SW1/4 SW1/4.  39.4949 N, 106.2549 W; NAD 83, , GPS reading.  
Upper subalpine rivulets and wet meadow. Phenology: vegetative only. 

Michael K. Kirkpatrick, 3055.  7/19/2010. 		RM 
_________________________________________________________________________

1785.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Summit County: Gore Range: Arapaho National Forest: Eagles Nest Wilderness: in the vicinity of the historic Buffalo Cabins, ca 3.5 air mi WSW of Silverthorne.  Elev. 10400-10800 ft.
T5S R78W S16 NE1/4.  39.6204 N, 106.1262 W to 39.6204 N, 106.123 W; NAD 83, , GPS reading.  
Forested ephemeral stream corridor and seeps. Phenology: vegetative only. 

Michael K. Kirkpatrick, 3274.  7/23/2010. 		RM 
_________________________________________________________________________

1786.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Eagle County: Gore Range: White River National Forest: Eagles Nest Wilderness: Deluge Lake Trail, ca 7 air mi NNW of Vail Pass.  Elev. 8800-10200 ft.
T5S R79W S7; also S8.  39.638 N, 106.2571 W to 39.6278 N, 106.275 W; NAD 83, , GPS reading.  
Rocky aspen hillsides with riparian channels. Phenology: vegetative only. 

Michael K. Kirkpatrick, 3747.  8/2/2010. 		RM 
_________________________________________________________________________

1787.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Summit County: Tenmile Range: Arapaho National Forest: Miners Creek drainage, ca 3-4 air mi S of Frisco.  Elev. 10500-11340 ft.
T6S R78W S15 W1/2.  39.5259 N, 106.1071 W to 39.5332 N, 106.0975 W; NAD 83, , GPS reading.  
Forested subalpine riparian corridor. Phenology: vegetative only. 

Michael K. Kirkpatrick, 4027.  8/7/2010. 		RM 
_________________________________________________________________________

1788.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Eagle County: Sawatch Range: White River National Forest: Tigiwon Road (Forest Road 707) near the Cross Creek Trailhead, ca 2.5 air mi SSE of Minturn.  Elev. 8540 ft.
T6S R81W S2 SW1/4 SW1/4.  39.5487 N, 106.4181 W; NAD 83, , GPS reading.  
Moist, north-facing aspen hillside with scattered Douglas fir, buffaloberry and thimbleberry. Phenology: vegetative only. 

Michael K. Kirkpatrick, 4155.  8/9/2010. 		RM 
_________________________________________________________________________

1789.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Eagle County: Sawatch Range: White River National Forest: Homestake Road, ca 13 air mi S of Dowds Junction and 6 mi W of U.S. Hwy 24.  Elev. 9160 ft.
T7S R81W S27 NE1/4 NE1/4.  39.4171 N, 106.4267 W; NAD 83, , GPS reading.  
Ponds and wet meadows. Phenology: vegetative only. 

Michael K. Kirkpatrick, 4423.  8/12/2010. 		RM 
_________________________________________________________________________

1790.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Eagle County: Gore Range: White River National Forest: above Freeman Creek near the Moniger-Muddy Pass Road (Forest Road 701), ca 5 air mi NW of I-70 exit 176 at Vail.  Elev. 9520-9720 ft.
T4S R81W S27 NW1/4 NW1/4.  39.6856 N, 106.4546 W to 39.6878 N, 106.4512 W; NAD 83, , GPS reading.  
Forested riparian corridor, seeps, and springs. Phenology: vegetative only. 

Michael K. Kirkpatrick, 4584.  8/22/2010. 		RM 
_________________________________________________________________________

1791.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Eagle County: Sawatch Range: White River National Forest: Wurts Ditch Road (Forest Road 705) near the headwaters of Mitchell Creek, ca 2.5 air mi W of Tennessee Pass.  Elev. 10570-10640 ft.
T8S R80W S8 South1/2.  39.3631 N, 106.3615 W to 39.3668 N, 106.3547 W; NAD 83, , GPS reading.  
Subalpine ditch, seeps, springs, wet meadows, and fen. Phenology: vegetative only. 

Michael K. Kirkpatrick, 4699.  8/24/2010. 		RM 
_________________________________________________________________________

1792.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Phillips County: Little Rocky Mountains: along Pony Gulch, a tributary of Alder Gulch, ca 1 air mi WSW of Zortman; ca 45 air mi SW of Malta.  Elev. 4380-4500 ft.
T25N R25E S19 NE1/4; also S20 NW1/4.  47.9119 N, 108.5447 W; NAD 83, GPS reading.  
Along a small stream and adjacent north-facing slope with birch and aspen. Phenology: vegetative only. 

B. E. Nelson, 80406.  7/24/2010. 		RM 
_________________________________________________________________________

1793.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Phillips County: Little Rocky Mountains: along South Big Horn Creek NE of Damon Hill, ca 5-5.5 air mi SE of Hays; ca 46 air mi SW of Malta.  Elev. 4240-4400 ft.
T25N R24E S10.  47.9349 N, 108.6236 W to 47.9348 N, 108.6161 W; NAD 83, GPS reading.  
Rocky gravel bars and flats in the creek bed. Phenology: vegetative only. 

B. E. Nelson, 81039.  9/11/2010. 		RM 
_________________________________________________________________________

1794.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Phillips County: Charles M. Russell National Wildlife Refuge: along the Missouri River at Jones Island just below Bell Bottoms, ca 12 air mi S of DY Junction, ca 63 air mi SW of Malta.  Elev. 2270 ft.
T22N R24E S35 NW1/4.  47.6252 N, 108.6056 W; NAD 83, GPS reading.  
In dry overflow channel. Phenology: vegetative only. 

B. E. Nelson, 81108.  9/12/2010. 		RM 
_________________________________________________________________________

1795.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Phillips County: Little Rocky Mountains: Camp Creek upstream of Camp Creek Campground, ca 1 air mi NE of Zortman; ca 43 air mi SW of Malta.  Elev. 4080 ft.
T25N R25E S16 NE1/4.  47.9281 N, 108.5062 W; NAD 83, GPS reading.  
Stream bottom with aspen forest and chokecherry-hawthorn-willow understory. Phenology: vegetative only. 

B. E. Nelson, 81491.  9/21/2010. 		RM 
_________________________________________________________________________

1796.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Phillips County: Little Rocky Mountains: eastern wall of Montana Gulch and Montana Gulch Campground, ca 5 air mi WSW of Zortman; ca 49.5 air mi SW of Malta.  Elev. 4000-4400 ft.
T25N R24E S21 SE1/4.  47.9004 N, 108.6322 W to 47.9041 N, 108.6331 W; NAD 83, GPS reading.  
Streamside. Phenology: vegetative only. 

Joseph L. M. Charboneau, 1499.  7/11/2010. 		RM 
_________________________________________________________________________

1797.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Custer County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountains: San Isabel National Forest: east ca 4 mi on Forest Road 306, on Colo Hwy 165 N of San Isabel.  Elev. 7800 ft.
T22S R69W S15 NW1/4.  38.1372 N, 105.0906 W.  
Riparian. Phenology: spores. 

Brian Elliott, 6005.  5/24/1999. 		RM 828916
_________________________________________________________________________

1798.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Phillips County: S of the Milk River, E of Big McNeil Slough, and N of Nelson Reservoir, ca 3.5 air mi SW of Glascock Spring, ca 21 air mi NE of Malta.  Elev. 2190-2320 ft.
T32N R32E S14 NE1/4.  48.5366 N, 107.5256 W; NAD 83, GPS reading.  
Silty riverbank. Phenology: vegetative only. 

Joseph L. M. Charboneau, 2965.  8/5/2010. 		RM 
_________________________________________________________________________

1799.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Phillips County: Little Rocky Mountains: Beaver Creek, ca 1.5 air mi ENE of the intersection of the road from Camp Creek and the Beaver Creek Trail, ca 2 air mi E of Beaver Mountain, ca 3 air mi NNE of Zortman; ca 41 air mi SW of Malta.  Elev. 4070-4330 ft.
T26N R25E S34 SE1/4; also T25N R25E S3 NE1/4.  47.958 N, 108.4915 W to 47.9576 N, 108.4857 W to 47.962 N, 108.487 W; NAD 83, GPS reading.  
Streamside. Phenology: vegetative only. 

Joseph L. M. Charboneau, 3523.  8/21/2010. 		RM 
_________________________________________________________________________

1800.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Phillips County: Little Rocky Mountains: White Horse Canyon, ca 1 air mi N of Beaver Mountain, ca 4 air mi N of Zortman; ca 41 air mi SW of Malta.  Elev. 3920-4040 ft.
T26N R25E S29 SE1/4.  47.9788 N, 108.5298 W to 47.978 N, 108.5318 W; NAD 83, GPS reading.  
Stony riparian area on creek bottom. Phenology: vegetative only. 

Joseph L. M. Charboneau, 3644.  8/22/2010. 		RM 
_________________________________________________________________________

1801.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Seminoe Mountains: drainage W of BLM Road 3108, ca 1.8 air mi NE of Kortes Dam.  Elev. 6500 ft.
T26N R84W S35.  42.1807 N, 106.8512 W.  
Cottonwood, chokecherry, and Rocky Mountain maple lined creek. Phenology: vegetative only. 

Amy J. Roderick, 6865.  7/19/1998. 		RM 666253	Barcode: RM0125555
_________________________________________________________________________

1802.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Jackson County: North Park: Arapaho National Wildlife Refuge: ca 8 air mi S of Walden.  Elev. 8100 ft.
T8N R79W S32.  40 36.964' N, 106 16.833' W; WGS 84, , GPS reading.  
Willow riparian area. Phenology: vegetative only. 

Bethany Lewis, 540.  8/16/2007. 		RM 840833
_________________________________________________________________________

1803.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Custer County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: San Isabel National Forest: along South Creek, ca 0.5 mi N of the junction of Colo hwys 165 & 78, ca 3 mi N of San Isabel.  Elev. 9200 ft.
T23S R69W S23 N1/2; also NW1/4 S24; also S1/2 S13; T23S R68W S18.  38.0351 N, 105.0723 W.  
Mixed conifer/Pseudotsuga menziesii/Abies concolor/Picea engelmannii forest along with aspen. Phenology: spores. 

Brian Elliott, 6529.  6/5/1999. 		RM 828915
     with Elizabeth Mark
_________________________________________________________________________

1804.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Custer County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: San Isabel National Forest: along South Creek, ca 0.5 mi N of the junction of Colo hwys 165 & 78, ca 3 mi N of San Isabel.  Elev. 9200 ft.
T23S R69W S23 N1/2; also NW1/4 S24; also S1/2 S13; T23S R68W S18.  38.0351 N, 105.0723 W.  
Mixed conifer/Pseudotsuga menziesii/Abies concolor/Picea engelmannii forest along with aspen. Phenology: vegetative only. 

Brian Elliott, 6546.  6/5/1999. 		RM 828914
     with Elizabeth Mark
_________________________________________________________________________

1805.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Fremont County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountains: along Newlin Creek from Florence Mountain Park at Newlin Trailhead on County Road 15, S of Florence.  Elev. 7500 ft.
T20S R70W S35 SW1/4; also SE1/4 S34, SE1/4 S33 and T19N R70W N1/2 S3.  38.2677 N, 105.1879 W.  
Picea engelmannii/Pseudotsuga menziesii. Phenology: spores. 

Brian Elliott, 6595.  6/6/1999. 		RM 828913
     with Elizabeth Mark
_________________________________________________________________________

1806.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Fremont County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountains: along Newlin Creek from Florence Mountain Park at Newlin Trailhead on County Road 15, S of Florence.  Elev. 7500 ft.
T20S R70W S35 SW1/4; also SE1/4 S34, SE1/4 S33 and T19N R70W N1/2 S3.  38.2677 N, 105.1879 W.  
Picea engelmannii/Pseudotsuga menziesii. Phenology: vegetative only. 

Brian Elliott, 6596.  6/6/1999. 		RM 828912
     with Elizabeth Mark
_________________________________________________________________________

1807.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Pueblo County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountains: San Isabel National Forest: ca 4 mi up trail 1316 from Cuerna Verde Park Trailhead; western edge of Rye.  Elev. 8500 ft.
T24S R68W S35 N1/2; also S1/2 S34, S1/2 S33.  37.9184 N, 104.9625 W.  
Mixed forest with Picea engelmannii and Pseudotsuga menziesii. Phenology: vegetative only. 

Brian Elliott, 7104.  6/14/1999. 		RM 828911
     with Elizabeth Mark
_________________________________________________________________________

1808.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Pueblo County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountains: Colo Hwy 165, ca 4 air mi NW of Rye, at the YMCA Camp.  Elev. 8700 ft.
T24S R68W S21 NW1/4.  37.9476 N, 104.9991 W.  
On a 1 year old burn in Pinus ponderosa. Phenology: vegetative only. 

Brian Elliott, 7564.  6/21/1999. 		RM 828910
_________________________________________________________________________

1809.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Saguache County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Sangre de Cristo Range: on Forest Road 990, ca 2 air mi E of Poncha Pass on U.S. Hwy 285, ca 1/2 mi W of Rio Grande National Forest.  Elev. 9200 ft.
T48N R8E S14 N1/2; also NW1/4 S13.  38.4036 N, 106.0555 W.  
Riparian. Phenology: vegetative only. 

Brian Elliott, 7721.  6/27/1999. 		RM 828909
     with Elizabeth Mark
_________________________________________________________________________

1810.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Saguache County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Rio Grande National Forest: up Clover Creek, ca 3 air mi S of Poncha Pass.  Elev. 9600 ft.
T48N R8E S28 SE1/4; also NW1/4 S33 and NE1/4 S32.  38.376 N, 106.0926 W.  
Riparian. Phenology: vegetative only. 

Brian Elliott, 7802.  6/28/1999. 		RM 828908
     with Elizabeth Mark
_________________________________________________________________________

1811.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Saguache County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Sangre de Cristo Range: Rio Grande National Forest: North Decker Creek, ca 3 air mi E of Alder.  Elev. 9600 ft.
T48N R9E S29 SE1/4; also NW1/4 S32.  38.376 N, 105.9999 W.  
Riparian and open Populus tremuloides forest. Phenology: vegetative only. 

Brian Elliott, 7945.  6/28/1999. 		RM 828907
     with Elizabeth Mark
_________________________________________________________________________

1812.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Chaffee County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: San Isabel National Forest: ca 1.2 road mi on County Road 240 from U.S. Hwy 50.  Elev. 8600-8900 ft.
T50N R7E S28 NE1/4.  38.5588 N, 106.1968 W.  
Along stream and dry ponderosa pine forest slopes; soil fine-grained to gravelly; ponderosa, Rosa, Salix, and aspen. Sheet 2 of 2. Phenology: vegetative only. 

Charity Hall, 1612.  6/29/1998. 		RM 828597
     with Brian Jacobs and Alex Morgan
_________________________________________________________________________

1813.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Pueblo County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountains: San Isabel National Forest, up Muddy Creek, ca 4-5 air mi WNW of Rye at the YMCA Camp.  Elev. 8600 ft.
T24S R68W S21 South1/2; also NW1/4 S28 and NE1/4 S29.  37.9476 N, 104.9991 W.  
Riparian with Abies concolor, Picea engelmannii, and Pseudotsuga menziesii. Phenology: vegetative only. 

Brian Elliott, 7977.  7/1/1999. 		RM 828906
     with Elizabeth Mark
_________________________________________________________________________

1814.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Las Animas County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Bar NI (Cabot) Ranch: ca 0.5 mi S of Stonewall, below the Keyhole.  Elev. 8000 ft.
37.15 N, 105.043 W.  
Riparian and wet meadow. Phenology: vegetative only. 

Brian Elliott, 8031.  7/1/1999. 		RM 828905
     with Elizabeth Mark
_________________________________________________________________________

1815.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Las Animas County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Bar NI (Cabot) Ranch: ca 2 air mi N of Stonewall on west side of Colo Hwy 12.  Elev. 8400 ft.
37.1683 N, 105.0444 W.  
Riparian, wet meadow, dry meadow, and edge of pinyon-juniper-oak woodland. Phenology: vegetative only. 

Brian Elliott, 8312.  7/5/1999. 		RM 828904
     with Elizabeth Mark
_________________________________________________________________________

1816.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Custer County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountains: San Isabel National Forest: along the Saint Charles Peak Trail from Colo Hwy 165 to the first gap, ca 4 air mi NW of San Isabel.  Elev. 9000 ft.
T23S R69W S22 NE1/4.  38.0351 N, 105.0906 W.  
Mixed conifer dominated by Picea engelmanii. Phenology: vegetative only. 

Brian Elliott, 8695b.  7/15/1999. 		RM 828903
     with Kenneth Elliott
_________________________________________________________________________

1817.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Phillips County: Little Rocky Mountains: Spring Park Butte, E of Buffington Picnic Grounds, ca 1.5 air mi ENE of Whitcomb Butte, ca 6 air mi ENE of Landusky; ca 43 air mi SW of Malta.  Elev. 3920-4480 ft.
T25N R25E S15 W1/2; also S14 SW1/4.  47.921 N, 108.4955 W; NAD 83, GPS reading.  
Riparian areas in ponderosa pine forest. Phenology: vegetative only. 

Joseph L. M. Charboneau, 5132.  6/15/2011. 		RM 
_________________________________________________________________________

1818.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Phillips County: Little Rocky Mountains: E of Lodgepole Creek, ca 1 1/4 air mi N of Green Mountain, ca 4.5 air mi NNW of Zortman; ca 42 air mi SW of Malta.  Elev. 4180-4430 ft.
T26N R25E S31 NE1/4; also S30 SW1/4.  47.9701 N, 108.5521 W to 47.9728 N, 108.5551 W to 47.9741 N, 108.5593 W; NAD 83, GPS reading.  
Moist ravine bottom. Phenology: vegetative only. 

Joseph L. M. Charboneau, 8196.  7/23/2011. 		RM 
_________________________________________________________________________

1819.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Phillips County: Little Rocky Mountains: Emerson Creek, ca 2.5 air mi WNW of Beaver Mountain, ca 6 air mi NNE of Landusky; ca 43 air mi SW of Malta.  Elev. 4160-4570 ft.
T26N R24E S25 South1/2.  47.9766 N, 108.5752 W to 47.9755 N, 108.5821 W; NAD 83, GPS reading.  
Creek bottom. Phenology: vegetative only. 

Joseph L. M. Charboneau, 8283.  7/23/2011. 		RM 
_________________________________________________________________________

1820.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Phillips County: Bowdoin National Wildlife Refuge: along Refuge Tour Road, near Black Coulee Pond, ca 6 air mi NW of Le Noir Reservoir, ca 3.5 air mi E of the Milk River, ca 7 air mi ENE of Malta.  Elev. 2240-2260 ft.
T30N R31E S5 SW1/4.  48.3844 N, 107.7352 W to 48.3805 N, 107.7352 W; NAD 83, GPS reading.  
Wetlands interspersed with groves of cottonwood and Russian olive and chokecherry-willow thickets. Phenology: vegetative only. 

Joseph L. M. Charboneau, 8439.  7/31/2011. 		RM 
_________________________________________________________________________

1821.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Valley County: Charles M. Russell National Wildlife Refuge: Cut Throat Coulee at terminus of Refuge Road 325, ca 4.5 air mi N of Bonetrail Boat Ramp, ca 44 air mi WSW of Fort Peck; ca 43 air mi SW of Glasgow.  Elev. 2720-2920 ft.
T23N R35E S20 South1/2; also S19 SE1/2.  47.7396 N, 107.2542 W to 47.7386 N, 107.2674 W; NAD 83, GPS reading.  
Coulee bottom and sides shaded by ponderosa pine forest on the north-facing slopes on sandy to clay soil. Phenology: vegetative only. 

Joseph L. M. Charboneau, 8577.  8/2/2011. 		RM 
_________________________________________________________________________

1822.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Gunnison County: White River National Forest: between the Crystal River and County Road, ca 3 air mi WNW of Marble; ca 22 air mi S of Carbondale.  Elev. 7780-7860 ft.
T11S R88W S20 NE1/4.  39.0863 N, 107.2424 W; NAD 83, , GPS reading.  
Stony flats along the river with large blue spruce. Phenology: vegetative only. 

B. E. Nelson, 82822.  7/17/2011. 		RM 
_________________________________________________________________________

1823.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Pitkin County: Sawatch Range: White River National Forest: Hunter-Fryingpan Wilderness: along Fryingpan Lakes Trail from the wilderness boundary SE for ca 0.5 air mi, ca 16-16.5 air mi E of Aspen.  Elev. 10130-10340 ft.
T9S R82W S26.  39.2402 N, 106.5292 W to 39.2356 N, 106.5245 W; NAD 83, , GPS reading.  
Moist to wet spruce forest with streamlets. Phenology: vegetative only. 

B. E. Nelson, 83100.  7/21/2011. 		RM 
_________________________________________________________________________

1824.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Summit County: Gore Range: Arapaho National Forest: Eagles Nest Wilderness: Surprise Lake ca 1 3/4 air mi N of Dora Mountain, ca 17.5 air mi NW of Silverthorne at I-70.  Elev. 10064-10080 ft.
T3S R80W S12 SW1/4.  39.8087 N, 106.3028 W; NAD 83, , GPS reading.  
Wet areas adjacent to the lake. Phenology: vegetative only. 

B. E. Nelson, 83343.  7/25/2011. 		RM 
_________________________________________________________________________

1825.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Summit County: Williams Fork Mountains: Arapaho National Forest: lower end of Miller Gulch above Green Mountain Reservoir and Colo Hwy 9, ca 18 air mi NNW of Silverthorne at I-70.  Elev. 7950-8200 ft.
T2S R79W S28 NE1/4.  39.8541 N, 106.2368 W; NAD 83, , GPS reading.  
Canyon bottom near the stream. Phenology: vegetative only. 

B. E. Nelson, 83871.  8/22/2011. 		RM 
_________________________________________________________________________

1826.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Gunnison County: Elk Mountains: White River National Forest: upper part of Crystal Canyon to Schofield Park, along jeep trail, ca 14 air mi NNW of Crested Butte.  Elev. 10140-10250 ft.
T12S R87W S2 NE1/4; also T11S R87W S35 SE1/4.  39.0452 N, 107.0731 W to 39.0407 N, 107.0653 W; NAD 83, , GPS reading.  
Along riparian area in subalpine. Phenology: vegetative only. 

Lori E. Brummer, 6364.  8/2/2011. 		RM 
_________________________________________________________________________

1827.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Mesa County: Battlement Mesa: White River National Forest: Little Alkali Creek Canyon upstream of confluence with creek leading to Bull Basin, ca 1 air mi NW of Housetop Mountain and 7 air mi E of De Beque.  Elev. 6000-6400 ft.
T8S R96W S23 W1/2; also NW1/4 NW1/4 S26.  39.331 N, 108.0782 W to 39.325 N, 108.0704 W; NAD 83, , GPS reading.  
Riparian corridor through juniper-oak woodland dominated by cottonwood, willow, and cattail. Phenology: vegetative only. 

Michael K. Kirkpatrick, 5561a.  6/2/2011. 		RM 
_________________________________________________________________________

1828.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Pitkin County: White River National Forest: Braderich Creek upward from its confluence with Coal Creek, ca 2-3 air mi WNW of Redstone and ca 14 air mi SSW of Carbondale in the Crystal River drainage.  Elev. 8200-8600 ft.
T10S R89W S1 W1/2 SW1/4; also W1/2 W1/2 S12 and NW1/4 S13.  39.2157 N, 107.2874 W to 39.2003 N, 107.2823 W; NAD 83, , GPS reading.  
Aspen meadows and shale outcrops above riparian corridor. Phenology: vegetative only. 

Michael K. Kirkpatrick, 5910.  6/13/2011. 		RM 
_________________________________________________________________________

1829.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Eagle County: Gore Range: White River National Forest: McPhee Gulch, ca 4 air mi NE of State Bridge.  Elev. 7300-7700 ft.
T2S R82W S4 SW1/4 SW1/4; also NW1/4 S9.  39.8985 N, 106.5755 W; NAD 83, , GPS reading.  
Riparian woodland with cottonwood, birch, and willow. Phenology: vegetative only. 

Michael K. Kirkpatrick, 6247.  6/19/2011. 		RM 
_________________________________________________________________________

1830.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Eagle County: Hardscrabble Mountain: White River National Forest: Third Gulch, SE of Hardscrabble Mountain and ca 6 air mi S of Eagle.  Elev. 8600 ft.
T6S T84W S4 NW1/4 NE1/4.  39.5631 N, 106.8195 W; NAD 83, , GPS reading.  
Shaded riparian corridor with aspen, spruce, and willow. Phenology: spores. 

Michael K. Kirkpatrick, 6349.  6/22/2011. 		RM 
_________________________________________________________________________

1831.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Pitkin County: Sawatch Range: White River National Forest: Hannon Creek drainage, N of Woody Creek, ca 3 air mi W of Lenado and ca 4 air mi N of Aspen.  Elev. 8000-8400 ft.
T9S R84W S19 SW1/4.  39.2527 N, 106.8145 W; NAD 83, , GPS reading.  
Riparian corridor with spruce, willow, aspen, and graminoid-forb understory. Phenology: vegetative only. 

Michael K. Kirkpatrick, 6527a.  6/24/2011. 		RM 
_________________________________________________________________________

1832.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Mesa County: White River National Forest: near the headwaters of Willow Creek, 2 mi N of Spruce Mountain and ca 22 air mi S of New Castle.  Elev. 9400 ft.
T9S R91W S35 SE1/4.  39.2273 N, 107.5521 W; NAD 83, , GPS reading.  
Riparian corridor and beaver ponds with willows. Phenology: spores. 

Michael K. Kirkpatrick, 6648.  6/26/2011. 		RM 
_________________________________________________________________________

1833.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Eagle County: Sawatch Range: McGinley Gulch and Triangle Creek, E of East Brush Creek, ca 1 air mi NE of Yeoman Park and ca 11 air mi SE of Eagle.  Elev. 9200 ft.
T6S R83W S22 E1/2.  39.5191 N, 106.6804 W; NAD 83, , GPS reading.  
Willow carr and wet meadow. Phenology: vegetative only. 

Michael K. Kirkpatrick, 6948.  7/1/2011. 		RM 
_________________________________________________________________________

1834.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Eagle County: Sawatch Range: White River National Forest: Yeoman Park and East Brush Creek, ca 12 air mi SE of Eagle.  Elev. 9100 ft.
T6S R83W S27 SE1/4 SE1/4.  39.501 N, 106.6763 W; NAD 83, , GPS reading.  
Forested riparian corridor and moist spruce-fir forest. Phenology: spores. 

Michael K. Kirkpatrick, 6983.  7/1/2011. 		RM 
_________________________________________________________________________

1835.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Pitkin County: Elk Mountains: White River National Forest: Maroon Bells-Snowmass Wilderness: East Creek Trail, ca 1-2 air mi E of Redstone and ca 15 air mi S of Carbondale.  Elev. 7800-8800 ft.
T10S R88W S21 S1/2 N1/2.  39.1759 N, 107.2134 W; NAD 83, , GPS reading.  
Riparian corridor and seepy slopes in spruce-fir forest with alder and mountain-ash. Phenology: vegetative only. 

Michael K. Kirkpatrick, 7074.  7/3/2011. 		RM 
_________________________________________________________________________

1836.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Pitkin County: Elk Mountains: White River National Forest: Maroon Bells-Snowmass Wilderness: East Snowmass Creek Trail, ca 3 air mi WSW of Snowmass Village and ca 9 air mi W of Aspen.  Elev. 8400 ft.
T10S R86W S9 NE1/4 NE1/4.  39.2005 N, 106.9904 W; NAD 83, , GPS reading.  
Aspen meadow and roadside. Phenology: vegetative only. 

Michael K. Kirkpatrick, 7140.  7/5/2011. 		USFS 898946	Barcode: USFS0060539
_________________________________________________________________________

1837.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Pitkin County: Elk Mountains: White River National Forest: Maroon Bells-Snowmass Wilderness: Conundrum Creek Trail, ca 5 air mi SSW of Aspen.  Elev. 8800-9000 ft.
T11S R85W S2 SW1/4 SW1/4; also W1/2 W1/2 S11 and SE1/4 SE1/4S10.  39.1001 N, 106.862 W; NAD 83, , GPS reading.  
Aspen meadows, rocky slopes, and edges of coniferous forest. Phenology: vegetative only. 

Michael K. Kirkpatrick, 7316.  7/7/2011. 		RM 
_________________________________________________________________________

1838.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Eagle County: Sawatch Range: White River National Forest: Holy Cross Wilderness: Eagle Lake Trail to Halfmoon Lake, between Eagle and Avalanche peaks, along Lime Creek, ca 18 air mi SSE of Eagle.  Elev. 9800-10100 ft.
T7S R83W S23 N1/2.  39.4328 N, 106.6028 W; NAD 83, , GPS reading.  
Subalpine forest, boulder field, riparian corridor, and lakeside habitats. Phenology: vegetative only. 

Michael K. Kirkpatrick, 7634.  7/21/2011. 		RM 
_________________________________________________________________________

1839.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Summit County: Gore Range: White River National Forest: Eagles Nest Wilderness: North Tenmile Trail, ca 3 air mi W of Frisco.  Elev. 9700 ft.
T6S R78W S32 SW1/4 NW1/4.  39.576 N, 106.155 W; NAD 83, , GPS reading.  
Trailside seeps and stream crossings in subalpine forest. Phenology: vegetative only. 

Michael K. Kirkpatrick, 7920.  7/25/2011. 		RM 
_________________________________________________________________________

1840.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Eagle County: Gore Range: White River National Forest: Eagles Nest Wilderness: Piney River Trail above Piney Lake, ca 7 air mi NNE of Vail from I-70 exit 176.  Elev. 10100-10500 ft.
T4S R80W S10.  39.7182 N, 106.3287 W to 39.728 N, 106.3415 W; NAD 83, , GPS reading.  
Wetlands and sedge meadows adjacent to riparian corridor. Phenology: vegetative only. 

Michael K. Kirkpatrick, 8238.  8/2/2011. 		RM 
_________________________________________________________________________

1841.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Pitkin County: Elk Mountains: White River National Forest: Maroon Bells-Snowmass Wilderness: Castle Peak Trail via the northeast ridge above Castle Creek, ca 12 air mi S of Aspen.  Elev. 12800-14285 ft.
T12S R85W S15 E1/2 NE1/4.  39.0096 N, 106.8613 W to 39.0185 N, 106.8553 W; NAD 83, , GPS reading.  
Fen dominated by Betula glandulosa, willows, and peat moss. Phenology: vegetative only. 

Michael K. Kirkpatrick, 8360.  8/5/2011. 		RM 
_________________________________________________________________________

1842.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Las Animas County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Culebra Range: Bar NI (Cabot) Ranch: upper Whiskey Creek, ca 4 air mi W of Monument Lake.  Elev. 10200 ft.
37.2125 N, 105.1222 W.  
Picea engelmannii, Abies lasiocarpa. Phenology: vegetative only. 

Brian Elliott, 9932.  7/28/1999. 		RM 828901
     with Elizabeth Mark and Pete Schneider
_________________________________________________________________________

1843.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Stillwater County: Beartooth Mountains: Custer National Forest: Trail 93 up to Woodbine Falls, ca 33.5 air mi NW of Red Lodge.  Elev. 5280-5900 ft.
T5S R15E S32 SE1/4; also W1/2 S33.  45.3548 N, 109.887 W; WGS 84, , GPS Reading.  
Mixed conifer forest with stream running through and granite cliffs by falls. Phenology: vegetative only. 

Emily Elliott, 3075.  7/16/2007. 		USFS 	Barcode: USFS0048264
     with Dean Sherman
_________________________________________________________________________

1844.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Stillwater County: Beartooth Mountains: Custer National Forest: trail along Stillwater River up to Sioux Charley Lake, ca 34.5 air mi WNW of Red Lodge.  Elev. 5200-5800 ft.
T6S R14E S1; also T6S R15E N1/2 S6.  45.3514 N, 109.9055 W; WGS 84, , GPS Reading.  
Mixed conifer forest along river, with streamlets and cottonwoods interspersed; granite cliffs at beginning of trail. Phenology: vegetative only. 

Emily Elliott, 3171.  7/16/2007. 		USFS 	Barcode: USFS0048263
     with Dean Sherman
_________________________________________________________________________

1845.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Blue Valley Ranch: S of Camp Creek Junction.  Elev. 7834 ft.
T1S R80W S16; also S17.  Zone 13N, 381818E, 4424070N.  
Decaying aspen stand in mountain shale on northeast aspect. Phenology: vegetative only. 

Cynthia Villa, 428.  7/31/2001. 		RM 816112
_________________________________________________________________________

1846.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Grand County: Blue Valley Ranch: Spruce Creek W of Romaine.  Elev. 8950 ft.
T1S R81W S26.  Zone 13N, 378857E, 4422142N.  
Sagebrush steppe in mountain shale with northeast aspect. Phenology: spores. 

Cynthia Villa, 684.  5/31/2002. 		RM 816113
_________________________________________________________________________

1847.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Mesa County: White River National Forest: along West Divide Creek drainage and uplands, ca 16-20 air mi SSE of Silt.  Elev. 7320-8080 ft.
T8S R91W S33 SW1/4 SW1/4; also S34 SW1/4 SE1/4, T9S R91W S10 SE1/4 SE1/4, S11 SW1/4 SW1/4, S14 SW1/4 NW1/4, and S13 SW1/4 NE1/4.  39.3104 N, 107.5397 W to 39.3099 N, 107.5365 W; NAD 83, , GPS reading.  
Tributary stream through spruce-aspen forest and adjacent pond. Phenology: vegetative only. 

Michael K. Kirkpatrick, 976b.  6/3/2010. 		RM 
_________________________________________________________________________

1848.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Pitkin County: White River National Forest: Perham Creek, between Assignation Ridge and the Crystal River, ca 9 air mi S of Carbondale.  Elev. 7200-7800 ft.
T9S R88W S20 N1/2; also SE1/4 NE1/4 S19.  39.2663 N, 107.2546 W to 39.2712 N, 107.228 W; NAD 83, , GPS reading.  
Forested riparian corridor with aspen, spruce, and Douglas-fir. Phenology: spores. 

Michael K. Kirkpatrick, 5829b.  6/9/2011. 		RM 
_________________________________________________________________________

1849.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Eagle County: Gore Range: Cottonwood Creek drainage, less than 0.5 air mi above confluence with Sheephorn Creek along County Road 11B, ca 8 air mi NE of State Bridge.  Elev. 7300 ft.
T2S R82W S1 NW1/4 SE1/4.  39.9177 N, 106.5162 W; NAD 83, , GPS reading.  
Riparian corridor with cottonwood, alder, and willow. Phenology: vegetative only. 

Michael K. Kirkpatrick, 6294b.  6/19/2011. 		RM 
_________________________________________________________________________

1850.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Carbon County: Pryor Mountains: Custer National Forest: below Ingram Spring and vicinity on the southwest slope of Big Pryor Mountain, on 19 air mi SE of Bridger.  Elev. 7500-7680 ft.
T8S R26E S6 E1/2.  45.1698 N, 108.5823 W; uncertainty 0.25 mi., GPS reading.  
Marshy, mossy meadow. Phenology: vegetative only. 

B. E. Nelson, 75351.  7/17/2008. 		 	Barcode: USFS0047707
_________________________________________________________________________

1851.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Madison County: Tobacco Root Mountains: South Meadow Creek, ca 6.5 air mi W of Ennis Lake, ca 9 air mi NW of Ennis.  Elev. 6220-6620 ft.
T4S R2W S28 South1/2.  45.452 N, 111.8561 W to 45.4542 N, 111.8579 W to 45.4557 N, 111.8565 W; NAD 83, , GPS reading.  
Wet spruce/ alder forest along a creek with a mossy, herbaceous understory dominated by Mitella. Phenology: vegetative only. 

Emma E. Freeland, 126.  6/4/2012. 		USFS 
_________________________________________________________________________

1852.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Madison County: Madison Valley: Bear Trap Canyon, east side of the Madison River, ca 8.5-9 air mi NE of Ennis, ca 0.5 air mi NE of Ennis Lake.  Elev. 4840-5160 ft.
T4S R1E S30.  45.4554 N, 111.6495 W to 45.4531 N, 11.6479 W; NAD 83, , GPS reading.  
Disturbed riverbank grass and shrub-land. Phenology: vegetative only. 

Emma E. Freeland, 464.  6/11/2012. 		RM 
_________________________________________________________________________

1853.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Madison County: Madison Range: Lee Metcalf Wilderness, Taylor Hilgard Unit: Indian Creek, ca 6-7 air mi SW of Sphinx Mountain, ca 20 air mi SSE of Ennis.  Elev. 6110-6180 ft.
T8S R1E S36 NW1/4.  45.1012 N, 111.5654 W to 45.0995 N, 111.5557 W; NAD 83, , GPS reading.  
Along a creek. Phenology: vegetative only. 

Emma E. Freeland, 540.  6/11/2012. 		USFS 
_________________________________________________________________________

1854.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Madison County: Ruby Range: Cottonwood Creek, ca 4 air mi WSW of Ruby River Reservoir, ca 20 air mi S of Sheridan.  Elev. 6250 ft.
T7S R5W S33 N1/2.  45.1822 N, 112.229 W; NAD 83, , GPS reading.  
Moist meadow dominated by Carex nebrascensis. Phenology: vegetative only. 

Emma E. Freeland, 649.  6/13/2012. 		RM 
_________________________________________________________________________

1855.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Madison County: Snowcrest Range: Lewis Creek and Badger Creek, ca 20 air mi S of Virginia City, ca 0.5-2.5 air mi W of Vigilante Station.  Elev. 6400-6480 ft.
T9S R3W S33.  45.0147 N, 111.9745 W to 45.0141 N, 111.977 W; NAD 83, , GPS reading.  
Along a gulch in a Douglas fir forest. Phenology: vegetative only. 

Emma E. Freeland, 727.  6/15/2012. 		USFS 
_________________________________________________________________________

1856.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Madison County: Gravelly Range: Johnny Gulch, ca 7.5 air mi WSW of McAtee Bridge, ca 20 air mi SSW of Ennis.  Elev. 6985 ft.
T9S R2W S12 NE1/4.  45.0662 N, 111.7782 W; NAD 83, , GPS reading.  
Aspen stand along a creek. Phenology: spores. 

Emma E. Freeland, 982.  6/19/2012. 		USFS 
_________________________________________________________________________

1857.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Madison County: Madison Valley: along Madison River, ca 2 air mi NNW of McAtee Bridge, ca 16.5 air mi SSE of Ennis.  Elev. 5400-5420 ft.
T8S R1W S24.  45.1245 N, 111.6761 W; NAD 83, , GPS reading.  
Willow thicket along a large river. Phenology: vegetative only. 

Emma E. Freeland, 1037.  6/19/2012. 		RM 
_________________________________________________________________________

1858.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Madison County: Tobacco Root Mountains: Granite Creek, ca 10 air mi WSW of Ennis Lake, ca 5.5 air mi N of Virginia City.  Elev. 5930 ft.
T5S R3W S25; also S36.  45.3603 N, 111.9254 W; NAD 83, , GPS reading.  
Deciduous shrub community along a creek. Phenology: vegetative only. 

Emma E. Freeland, 1085.  6/19/2012. 		RM 
_________________________________________________________________________

1859.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Madison County: Madison Range: Mill Creek, ca 2-3 air mi NW of Lake Cameron, ca 11 air mi SE of Ennis.  Elev. 6360 ft.
T7S R1E S15: also S14 N1/2.  45.2229 N, 111.5938 W; NAD 83, , GPS reading.  
Open Douglas fir forest along a creek. Phenology: vegetative only. 

Emma E. Freeland, 1196.  6/22/2012. 		USFS 
     with Justine Modica
_________________________________________________________________________

1860.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Madison County: Ruby Range: Laurin Canyon to Ruby Peak, ca 22-24 air mi ENE of Dillon, ca 9-10 air mi S of Sheridan.  Elev. 7000 ft.
T6S R5W S9.  45.3275 N, 112.2132 W; NAD 83, , GPS reading.  
Along a small, spring-fed stream. Phenology: vegetative only. 

Emma E. Freeland, 1405.  6/26/2012. 		RM 
     with Justine Modica
_________________________________________________________________________

1861.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Beaverhead County: Eastern Centennial Mountains: Centennial Mountains Wilderness Study Area: Corral Creek and tributaries of Hell Roaring Creek, ca 6-8.5 air mi ESE of Upper Red Rock Lake, ca 26 air mi WSW of West Yellowstone.  Elev. 6980-7080 ft.
T14S R1E S22.  44.592 N, 111.5839 W to 44.5947 N, 111.5848 W; NAD 83, , GPS reading.  
Along a creek with a deciduous shrub overstory. Phenology: vegetative only. 

Emma E. Freeland, 1529.  7/1/2012. 		RM 
     with Nicholas P. Freeland
_________________________________________________________________________

1862.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Madison County: Gravelly Range: Ruby River, ca 9 air mi NW of Black Butte, ca 20 air mi S of Virginia City.  Elev. 6150 ft.
T9S R3W S34 NW1/4.  45.012 N, 111.9615 W; NAD 83, , GPS reading.  
Riverbank with Carex and Salix. Phenology: vegetative only. 

Emma E. Freeland, 1596.  7/3/2012. 		RM 
     with Nicholas P. Freeland
_________________________________________________________________________

1863.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Madison County: Madison Range: Trail Creek, ca 2.5-4 air mi E of Ennis Lake, ca 10 air mi NE of Ennis.  Elev. 7600 ft.
T4S R1E S28.  45.455 N, 111.5985 W; NAD 83, , GPS reading.  
Gramnoid dominated seep in a Douglas fir forest. Phenology: vegetative only. 

Emma E. Freeland, 1785.  7/6/2012. 		RM 
_________________________________________________________________________

1864.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Madison County: Madison Range: Papoose Creek, ca 6-7.5 air mi S of Finger Mountain, ca 33 air mi SE of Ennis.  Elev. 6350 ft.
T11S R1E S2.  44.9029 N, 111.5601 W; NAD 83, , GPS reading.  
Low, moist ground along a creek in a Picea and Pseudotsuge forest. Phenology: vegetative only. 

Emma E. Freeland, 1988.  7/7/2012. 		RM 
_________________________________________________________________________

1865.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Carter County: Custer National Forest: Ekalaka Hills: just NW of Ekalaka Park off of Forest Road 3818A, ca 1/4 air mi N of Hidden Spring, ca 6.5 air mi SSE of Ekalaka.  Elev. 3920-3960 ft.
T1N R58E S33 N1/2.  45.8004 N, 104.5156 W; NAD 83, , GPS reading.  
Hardwood draw dominated by green ash, boxelder, and grasses. Phenology: vegetative only. 

Hans Hallman, 3417.  7/30/2009. 		 	Barcode: USFS0050782
_________________________________________________________________________

1866.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Mesa County: Grand Mesa: Grand Mesa National Forest: Park Creek, ca 1 1/4 mi from Vega State Park boundary on Park Creek Road, ca 9 air mi SE of Collbran.  Elev. 8350 ft.
T10S R93W S18 NE1/4.  39.19662 N, 107.81046 W; NAD 83, , GPS reading.  
Montane riparian area. Phenology: vegetative only. 

Lori E. Brummer, 8216.  5/30/2012. 		RM 
_________________________________________________________________________

1867.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Delta County: West Elk Mountains: Gunnison National Forest: Smith Fork, old site of Smith Fork Campground, ca 2.5 road mi E of Needle Rock on Needle Rock Road, ca 13 air mi ESE of Hotchkiss.  Elev. 7100 ft.
T15S R91W S24 SE1/4.  38.7289 N, 107.5086 W; NAD 83, , GPS reading.  
Riparian area in mixed mountain shrub community. Phenology: vegetative only. 

Lori E. Brummer, 8401.  6/5/2012. 		RM 
_________________________________________________________________________

1868.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Delta County: West Elk Mountains: Gunnison National Forest: Mount Lamborn: south slope along Bell Creek, Forest Trail 894, ca 6 air mi SE of Paonia.  Elev. 7400-8700 ft.
T14S R91W S34 NE1/4; also S33.  38.7881 N, 107.543 W to 38.7963 N, 107.5622 W; NAD 83, , GPS reading.  
Riparian area in mixed mountain shrub community. Phenology: vegetative only. 

Lori E. Brummer, 8573.  6/7/2012. 		RM 
_________________________________________________________________________

1869.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Mesa County: Uncompahgre Plateau: Dominguez Canyon: between 3 and 4 trail mi down canyon from Dominguez Campground, ca 23 air mi WSW of Delta.  Elev. 6780-6840 ft.
T15S R99W S7 SW1/4; also T15S R100W S12 SE1/4 and NE1/4 S13.  38.7609 N, 108.5006 W to 38.7541 N, 108.5173 W; NAD 83, , GPS reading.  
Riparian area along seep/creek in pinyon/juniper. Phenology: vegetative only. 

Lori E. Brummer, 8639.  6/10/2012. 		RM 
_________________________________________________________________________

1870.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Delta County: North Fork Valley: Gunnison National Forest: Hubbard Creek Trail N of Juanita Junction, ca 8.5 air mi NNW of Paonia.  Elev. 6497-6957 ft.
T12S R91W S23 SW1/4; also NW1/4 S26, E1/2 S27, and E1/2 S34.  38.996 N, 107.5276 W to 38.9655 N, 107.5341 W; NAD 83, , GPS reading.  
Below cliff in understory of mixed mountain shrub community. Phenology: vegetative only. 

Lori E. Brummer, 8764.  6/14/2012. 		RM 
_________________________________________________________________________

1871.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Gunnison County: West Elk Mountains: Gunnison National Forest: McClure Pass, beaver pond and ridge S of the campground.  Elev. 8165-8280 ft.
T11S R89W S11 NW1/4; also NE1/4 S10.  39.1209 N, 107.3138 W to 39.1234 N, 107.313 W; NAD 83, , GPS reading.  
Along creeklet in spruce/fir mix. Phenology: vegetative only. 

Lori E. Brummer, 8844.  6/15/2012. 		RM 
_________________________________________________________________________

1872.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Gunnison County: Grand Mesa: east side: Gunnison National Forest: Jones Park and Clear Fork Trail from junction with Baldy Creek, ca 8.5 air mi NE of Paonia.  Elev. 7850-8200 ft.
T10S R90W S21 W1/2.  39.1824 N, 107.4404 W to 39.1716 N, 107.4479 W; NAD 83, , GPS reading.  
Riparian area in aspen. Phenology: vegetative only. 

Lori E. Brummer, 8953.  6/15/2012. 		RM 
_________________________________________________________________________

1873.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Ouray County: San Juan Mountains: Uncompahgre National Forest: Bear Creek Trail, Grizzly Bear Mine to slopes above Yellow Jacket Mine, ca 3.5 air mi ESE of Ouray.  Elev. 9960-11280 ft.
T43N R7W S10 South1/2.  37.9923 N, 107.6108 W to 37.9923 N, 107.6108 W; NAD 83, , GPS reading.  
Along subalpine creek. Phenology: vegetative only. 

Lori E. Brummer, 9188.  6/20/2012. 		RM 
_________________________________________________________________________

1874.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Ouray County: San Juan Mountains: Uncompahgre National Forest: Cimarron Ridge; Nate Creek or Forest Trail 221 from Nate Creek S to Owl Creek Pass Road, ca 9 air mi ENE of Ridgway.  Elev. 9000-9321 ft.
T45N R97W S1 SW1/4; also NE1/4 S2.  38.1845 N, 107.5964 W to 38.176 N, 107.5899 W; NAD 83, , GPS reading.  
Intermittent stream in aspen/spruce/fir mix. Phenology: vegetative only. 

Lori E. Brummer, 9308.  7/3/2012. 		RM 
_________________________________________________________________________

1875.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Ouray County: San Juan Mountains: Uncompahgre National Forest: Cimarron Ridge; Owl Creek Pass, along ridge S of pass toward Chimney Rock, ca 10.5 air mi E of Ridgway.  Elev. 10114-10560 ft.
T45N R6W S18 N1/2.  38.158 N, 107.5626 W to 38.1494 N, 107.5649 W; NAD 83, , GPS reading.  
Along creek in spruce/fir. Phenology: vegetative only. 

Lori E. Brummer, 9343.  7/3/2012. 		RM 
_________________________________________________________________________

1876.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Ouray County: San Juan Mountains: Uncompahgre National Forest: West Fork Dallas Creek, where Forest Road 850 crosses the creek, ca 9.5 air mi SW of Ridgway.  Elev. 9270-9340 ft.
T44N R9W S21 SW1/4.  38.0506 N, 107.8593 W to 38.0462 N, 107.859 W; NAD 83, , GPS reading.  
Along subalpine creek. Phenology: vegetative only. 

Lori E. Brummer, 9567.  7/9/2012. 		RM 
_________________________________________________________________________

1877.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Ouray County: Uncompahgre Basin: Pleasant Valley, County Road 24, just N of Colo Hwy 62, ca 5 1/4 air mi WSW of Ridgway.  Elev. 7635-7785 ft.
T45N R9W S22 SW1/4; also NW 1/4 S27.  38.132 N, 107.8506 W to 38.1299 N, 107.8505 W; NAD 83, , GPS reading.  
Along roadside through irrigated meadow and along irrigation ditch. Phenology: vegetative only. 

Lori E. Brummer, 9671.  7/9/2012. 		RM 
_________________________________________________________________________

1878.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Ouray County: San Juan Mountains: Uncompahgre National Forest: headwaters of Whitehouse Creek, beginning at the intersection of Forest Road 852 and Dallas Trail 200, ca 4 air mi NW of Ridgway.  Elev. 9710-10600 ft.
T44N R8W S22 W1/2; also E1/2 S21.  38.0538 N, 107.7358 W to 38.0448 N, 107.7337 W; NAD 83, , GPS reading.  
Along creek in spruce/fir. Phenology: vegetative only. 

Lori E. Brummer, 9848.  7/12/2012. 		RM 
_________________________________________________________________________

1879.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Ouray County: San Juan Mountains: Uncompahgre National Forest: Cimarron Ridge; Lou Creek Pass, ridge just S of Lou Creek Pass then W on Lou Creek Pass Trail to ridge above Kennedy Mine, ca 11 air mi NNE of Ridgway.  Elev. 9656-11031 ft.
T46N R7W S24.  38.2277 N, 107.5793 W to 38.2215 N, 107.5926 W; NAD 83, , GPS reading.  
Wet meadow in spruce/fir. Phenology: vegetative only. 

Lori E. Brummer, 10264.  7/22/2012. 		RM 
_________________________________________________________________________

1880.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Delta County: Grand Mesa: Gunnison National Forest: Chalk Mountain, southeast slope to Overland Reservior, ca 17.5 air mi NNW of Paonia.  Elev. 9894-10972 ft.
T11S R92W S14 SW1/4; also E1/2 S15 and SW1/4 S10.  39.0943 N, 107.6417 W to 39.1126 N, 107.6593 W; NAD 83, , GPS reading.  
Subalpine wetland. Phenology: vegetative only. 

Lori E. Brummer, 10617.  7/29/2012. 		RM 
     with Joe E. Brummer
_________________________________________________________________________

1881.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Ouray County: San Juan Mountains: Uncompahgre National Forest: Ironton Park; iron fen at the base of Hayden Mountain, ca 5 3/4 air mi S of Ouray.  Elev. 9710 ft.
T43N R7W S31 NE1/4.  37.9401 N, 107.6727 W to 37.9446 N, 107.6727 W; NAD 83, , GPS reading.  
Subalpine iron fen. Phenology: vegetative only. 

Lori E. Brummer, 10829.  8/3/2012. 		RM 
     with Linda Deeds and Kim Hansen
_________________________________________________________________________

1882.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Ouray County: San Juan Mountains: Uncompahgre National Forest: Gray Copper Trail, NE of Ironton, along ca 1 mi of trail SE from junction with Forest Road 884, ca 5.5 air mi SSE of Ouray.  Elev. 9829-10425 ft.
T43N R7W S32 SW1/4; also T42N R7W S5 NW1/4.  37.9388 N, 107.6662 W to 37.9288 N, 107.6576 W; NAD 83, , GPS reading.  
Subalpine side slope fen. Phenology: vegetative only. 

Lori E. Brummer, 10911.  8/3/2012. 		RM 
     with Linda Deeds and Kim Hansen
_________________________________________________________________________

1883.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Ouray County: San Juan Mountains: Uncompahgre National Forest: Ironton Park; pond in iron fen just N of Full Moon Gulch, ca 4.5 air mi SSW of Ouray.  Elev. 9675 ft.
T43N R7W S30 SE1/4.  37.95073 N, 107.6702 W to 37.9495 N, 107.6713 W; NAD 83, , GPS reading.  
Along small stream running through pond. Phenology: vegetative only. 

Lori E. Brummer, 11502.  8/29/2012. 		RM 
_________________________________________________________________________

1884.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Delta County: Gunnison Gorge Wilderness: West River Trail from wilderness boundary S to where trail ends at cliff, ca 3/4 trail mi from wilderness boundary, ca 7.5 air mi SW of Hotchkiss.  Elev. 5140-5190 ft.
T15S R93W S18 NW1/4.  38.7489 N, 107.8367 W to 38.7559 N, 107.8321 W; NAD 83, , GPS reading.  
In the water in lowland riparian. Phenology: vegetative only. 

Lori E. Brummer, 11730.  9/10/2012. 		RM 
_________________________________________________________________________

1885.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Ouray County: Uncompahgre River Valley: along County Road 23, ca 2 air mi S of Ridgway.  Elev. 7080-7090 ft.
T45N R8W S27 SW1/4; also NW1/4 S34.  38.1134 N, 107.7343 W to 38.1181 N, 107.7344 W; NAD 83, , GPS reading.  
Along roadside through irrigated meadows. Phenology: vegetative only. 

Lori E. Brummer, 11781.  9/13/2012. 		RM 
_________________________________________________________________________

1886.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Delta County: Uncompahgre Plateau: Little Dominguez Canyon from Poison Canyon to the bend on the east side of Star Mesa, ca 16.5 air mi WNW of Delta.  Elev. 5039-5240 ft.
T15S R98W S6 NE1/4; also N1/2 S5, NW1/4 S4 and T14S R98W S33 SW1/4.  38.78 N, 108.3818 W to 38.7879 N, 108.3568 W; NAD 83, , GPS reading.  
Along creek in low elevation riparian area. Delta and Mesa County Phenology: vegetative only. 

Lori E. Brummer, 12056.  9/17/2012. 		RM 
_________________________________________________________________________

1887.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Madison County: Tobacco Root Mountains: South Willow Creek, ca 4.5 air mi ENE of Potosi Peak, ca 20 air mi NNE of Ennis.  Elev. 5700 ft.
T2S R2W S32 SW1/4.  45.6147 N, 111.8757 W.  
Deciduous shrub community of Betula, Salix, and Amelanchier along a creek. Phenology: vegetative only. 

Emma E. Freeland, 1250.  6/22/2012. 		RM 
     with Justine Modica
_________________________________________________________________________

1888.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Madison County: Gravelly Range: Ruby River and tributaries, ca 7-9 air mi W of Marmot Mountain, ca 23 air mi S of Virginia City.  Elev. 6320 ft.
T10S R3W S9.  44.976 N, 111.9772 W; NAD 83, , GPS reading.  
Thicket of Salix, Cornus, and Betula on low ground along a river. Phenology: vegetative only. 

Emma E. Freeland, 2351.  7/15/2012. 		RM 
_________________________________________________________________________

1889.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Lemhi County: Salmon River Mountains: Camas Creek west of Castle Rock, 23.4 air mi NNW of Challis.  Elev. 5323 ft.
T17N R17E S16.  
Dominant population in mesic soil within herbaceous riparian vegetation, no slope, rhyodacite geology. Phenology: vegetative only. 

Joshua J. Irwin, 8505.  6/23/2012. 		RM 
_________________________________________________________________________

1890.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Custer County: Lost River Range: narrow canyon along the Pahsimeroi River, 19.6 air mi NNW of Mackay.  Elev. 7536 ft.
T10N R23E S14.  
Within woody riparian vegetation, 5 degree slope, NE  aspect, alluvial geology. Phenology: vegetative only. 

Joshua J. Irwin, 8998A.  8/19/2012. 		RM 
_________________________________________________________________________

1891.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Custer County: Challis National Forest: Boulder Mountains: North Fork Big Lost River headwaters valley, 15.7 air mi N of Sun Valley.  Elev. 8064 ft.
T7N R18E S20.  43.92596 N, -114.353 W; NAD83, uncertainty 10 m., Field Notes.  
Well developed soil in hydric herbaceous riparian vegetation; 4° slope, NNE aspect; non-lithic sedimentary geology. 26-75 individuals apparent. Phenology: vegetative only. 

Joshua J. Irwin, 3672.  8/6/2010. 		RM 
_________________________________________________________________________

1892.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Custer County: Challis National Forest: Salmon River Mountains: along the Yankee Fork Salmon River 0.2 mi S of Flat Rock Campground, 11.9 air mi ENE of Stanley.  Elev. 6070 ft.
T11N R15E S17.  44.28901 N, -114.72037 W; NAD83, uncertainty 10 m., Field Notes.  
Sandy or gravelly soil in hydric woody riparian vegetation; 0° slope; granodiorite geology. 26-75 individuals apparent. Phenology: vegetative only. 

Joshua J. Irwin, 2403.  7/19/2010. 		RM 
     with Craig Scott
_________________________________________________________________________

1893.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Custer County: Challis National Forest: Salmon River Mountains: slopes 0.2 air mi S of Mill Creek Summit, 13.1 air mi W of Challis.  Elev. 8648 ft.
T13N R17E S8.  44.46887 N, -114.49119 W; NAD83, uncertainty 10 m., Field Notes.  
Clay or silt in hydric herbaceous riparian vegetation; 10° slope, S aspect; morainal geology. 26-75 individuals apparent. Phenology: vegetative only. 

Joshua J. Irwin, 2215.  7/16/2010. 		RM 
     with Wendy Irwin
_________________________________________________________________________

1894.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Custer County: Challis National Forest: Cape Horn Area: Lola Creek valley along the Lola Lakes Trail, 17.7 air mi NW of Stanley.  Elev. 7091 ft.
T12N R11E S9.  44.39424 N, -115.19571 W; NAD83, uncertainty 10 m., Field Notes.  
Sandy or gravelly soil in hydric woody riparian vegetation; 17° slope, NNE aspect; granodiorite geology. 26-75 individuals apparent. Phenology: vegetative only. 

Joshua J. Irwin, 3810.  8/9/2010. 		RM 
_________________________________________________________________________

1895.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Lemhi County: Salmon National Forest: Beaverhead Mountains: Canyon Creek at the confluence with Salt Creek, 5.4 air mi NE of Leadore.  Elev. 6511 ft.
T16N R27E S7.  44.73358 N, -113.27632 W; NAD83, uncertainty 10 m., Field Notes.  
Well developed soil in mesic woody riparian vegetation; 1° slope, 0 aspect; alluvial geology. Population is dominant throughout the area. Phenology: vegetative only. 

Joshua J. Irwin, 1374.  6/22/2010. 		RM 
_________________________________________________________________________

1896.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Lemhi County: Salmon National Forest: Lemhi Range: Mill Creek Valley along 4wd road to Mill Lake, 12.3 air mi W of Leadore.  Elev. 7643 ft.
T16N R24E S28.  44.68187 N, -113.60801 W; NAD83, uncertainty 10 m., Field Notes.  
Well developed soil in hydric spruce vegetation; 9° slope, SE aspect; alluvial geology. 76-150 individuals apparent. Phenology: vegetative only. 

Joshua J. Irwin, 2725.  7/25/2010. 		RM 
_________________________________________________________________________

1897.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Lemhi County: Salmon National Forest: Salmon River Mountains: confluence of Iron and South Fork Iron creeks, 16.1 air mi NNW of Ellis.  Elev. 5730 ft.
T18N R20E S4.  44.91985 N, -114.1146 W; NAD83, uncertainty 10 m., Field Notes.  
Well developed soil in hydric woody riparian vegetation; 8° slope, SE aspect; rhyodacite geology. Population is dominant throughout the area. Phenology: vegetative only. 

Joshua J. Irwin, 1160.  6/17/2010. 		RM 
_________________________________________________________________________

1898.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Lemhi County: Salmon National Forest: Salmon River Mountains: outlet area of Iron Lake, 16.5 air mi NNW of Ellis.  Elev. 8810 ft.
T18N R19E S11.  44.90802 N, -114.19255 W; NAD83, uncertainty 10 m., Field Notes.  
Well developed soil in mesic woody riparian vegetation; 15° slope, NNE aspect; siltite/metasandstone geology. 26-75 individuals apparent. Phenology: vegetative only. 

Joshua J. Irwin, 4059.  8/13/2010. 		RM 
_________________________________________________________________________

1899.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Lemhi County: Salmon National Forest: Beaverhead Mountains: Freeman Creek valley N of Freeman Peak, 12 air mi NE of Salmon.  Elev. 8120 ft.
T23N R23E S35.  45.28334 N, -113.70177 W; NAD83, uncertainty 10 m., Field Notes.  
Clay or silt in hydric spruce vegetation; 10° slope, S aspect; arenite geology. 26-75 individuals apparent. Phenology: vegetative only. 

Joshua J. Irwin, 3301.  8/1/2010. 		RM 
_________________________________________________________________________

1900.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Lemhi County: Salmon National Forest: Salmon River Mountains: Colson Creek near first switchback on Colson Creek Road, 12.7 air mi W of Shoup.  Elev. 4818 ft.
T23N R16E S12.  45.35089 N, -114.53639 W; NAD83, uncertainty 10 m., Field Notes.  
Well developed soil in mesic woody riparian vegetation; 30° slope, WSW aspect; granite geology. 26-75 individuals apparent. Phenology: vegetative only. 

Joshua J. Irwin, 1496.  6/25/2010. 		RM 
_________________________________________________________________________

1901.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Lemhi County: Salmon National Forest: Salmon River Mountains: near the confluence of Owl and East Fork Owl creeks, 9.4 air mi WSW of Shoup.  Elev. 3719 ft.
T23N R17E S10.  45.34106 N, -114.46325 W; NAD83, uncertainty 10 m., Field Notes.  
Well developed soil in mesic woody riparian vegetation; 41° slope, WSW aspect; biotite gneiss geology. 26-75 individuals apparent. Phenology: vegetative only. 

Joshua J. Irwin, 736.  6/6/2010. 		RM 
_________________________________________________________________________

1902.  Equisetum arvense L. 				Equisetaceae

U.S.A., Utah, Daggett County: North Slope Uinta Mountains: Flaming Gorge National Recreation Area: ca 1 air mi W of Flaming Gorge Dam; Cart Creek drainage into Flaming Gorge.  Elev. 6160-6600 ft.
T2N R22E S16 South1/2.  
Willows and alders in riparian lowlands. Phenology: vegetative only. 

C. H. Refsdal, 1093a.  6/23/1994. 		 
     with Kelly Altenhofen and Lorie Talbott
_________________________________________________________________________

1903.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Lemhi County: Salmon National Forest: Beaverhead Mountains: shore of unnamed lake at the head of Smout Creek, 12.5 air mi NE of Salmon.  Elev. 8806 ft.
T23N R23E S22.  45.30846 N, -113.72106 W; NAD83, uncertainty 10 m., Field Notes.  
Well developed soil in hydric subalpine fir vegetation; 6° slope, W aspect; arkosic metasandstone geology. 26-75 individuals apparent. Phenology: vegetative only. 

Joshua J. Irwin, 3371.  8/1/2010. 		RM 
_________________________________________________________________________

1904.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Lemhi County: Salmon National Forest: Salmon-Bitterroot Divide: immediate vicinity of Horse Creek Hot Springs, 12.6 air mi NW of Shoup.  Elev. 6027 ft.
T25N R17E S15.  45.50269 N, -114.46411 W; uncertainty 100 ft., Field Notes.  
Sandy or gravelly soil in hydric woody riparian vegetation; 3° slope, NW aspect; granite geology. 26-75 individuals apparent. Phenology: vegetative only. 

Joshua J. Irwin, 4572.  8/21/2010. 		RM 
_________________________________________________________________________

1905.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Custer County: Challis National Forest: Pioneer Mountains: "Iron Bog", 20.1 air mi SSW of Mackay.  Elev. 7033 ft.
T4N R23E S30.  43.64336 N, -113.75657 W; NAD83, uncertainty 10 m., Field Notes.  
Well developed soil in hydric woody riparian vegetation; 6° slope, SE aspect; siliciclastic sedimentary geology. 26-75 individuals apparent. Phenology: vegetative only. 

Joshua J. Irwin, 4174.  8/15/2010. 		RM 
_________________________________________________________________________

1906.  Equisetum arvense L. 				Equisetaceae

U.S.A, Idaho, Custer County: Pahsimeroi Valley: valley bottom ca 3.7 mi ENE of Mahogany Hill, 22.4 air mi E of Challis.  Elev. 5664 ft.
T13N R23E S30.  
>150 plants estimated in hydric fine textured soil within a wetland area, 1 degree slope, N aspect, alluvial geology. Phenology: vegetative only. 

Joshua J. Irwin, 5213.  6/19/2011. 		RM 
_________________________________________________________________________

1907.  Equisetum arvense L. 				Equisetaceae

U.S.A, Idaho, Custer County: Challis National Forest: White Knob Mountains: along Alder Creek between Table Mountain and South Fork Alder Creek, 6.5 air mi S of Mackay.  Elev. 6577 ft.
T6N R24E S29.  
Dominant population in mesic soil within woody riparian vegetation, 15 degree slope, NE aspect, trachyandesite geology. Phenology: vegetative only. 

Joshua J. Irwin, 5434.  6/23/2011. 		RM 
     with Craig Scott
_________________________________________________________________________

1908.  Equisetum arvense L. 				Equisetaceae

U.S.A, Idaho, Custer County: Challis National Forest: Salmon River Mountains: along trail just across the Middle Fork Salmon River from the Dagger Falls Campground, 27.5 air mi NW of Stanley.  Elev. 5701 ft.
T14N R10E S19.  
>150 plants estimated in mesic coarse textured soil within a Douglas-fir vegetation, 9 degree slope, SW aspect, granodiorite geology. Phenology: vegetative only. 

Joshua J. Irwin, 5547.  6/26/2011. 		RM 
     with Craig Scott
_________________________________________________________________________

1909.  Equisetum arvense L. 				Equisetaceae

U.S.A, Idaho, Custer County: Challis National Forest: Southern Salmon River Mountains: canyon made by confluence of First and Second creeks, off Squaw Creek Road, 17.2 air mi SW of Challis.  Elev. 6051 ft.
T12N R17E S33.  
>150 plants estimated in mesic soil within woody riparian vegetation, 17 degree slope, SW aspect, arenite geology. Phenology: vegetative only. 

Joshua J. Irwin, 5982.  7/10/2011. 		RM 
_________________________________________________________________________

1910.  Equisetum arvense L. 				Equisetaceae

U.S.A, Idaho, Lemhi County: Salmon National Forest: Lemhi Range: Bear Valley Creek at the Wright Creek confluence, 20.7 air mi WNW of Leadore.  Elev. 6450 ft.
T17N R23E S20.  
>150 plants estimated in xeric coarse textured soil within woody riparian vegetation, no slope, quartzite geology. Phenology: vegetative only. 

Joshua J. Irwin, 6101.  7/12/2011. 		RM 
_________________________________________________________________________

1911.  Equisetum arvense L. 				Equisetaceae

U.S.A, Idaho, Custer County: Challis National Forest: Lemhi Range: Horse Lake Creek, E of Horse Lake, 23.1 air mi N of Leadore.  Elev. 6973 ft.
T12N R26E S28.  
Dominant population in mesic coarse textured soil within herbaceous riparian vegetation, 7 degree slope, NE aspect, rhyodacite geology. Phenology: vegetative only. 

Joshua J. Irwin, 6426.  7/17/2011. 		RM 
_________________________________________________________________________

1912.  Equisetum arvense L. 				Equisetaceae

U.S.A., Utah, Daggett County: North Slope Uinta Mountains: Ashley National Forest: Deep Creek drainage, ca 9 air mi S of Manila; ca 3.7 road mi W of Utah Hwy 44 on south side of Forest Road 539.  Elev. 7640-7700 ft.
T1N R19E S1 NW1/4.  
Spruce forest, bogs, meadows, willows, and gentle slopes at creek. Phenology: vegetative only. 

C. H. Refsdal, 1383a.  6/30/1994. 		 
_________________________________________________________________________

1913.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Pedro Mountains: Pyramid Mountain, ca 6.3 air mi W of County Road 291; ca 7.3 air mi NW of Leo.  Elev. 7000 ft.
T27N R84W S2.  42.3397 N, 106.8512 W.  
Creek drainage; birch and willow common at edge of ponderosa and limber pine. Phenology: vegetative only. 

Amy J. Roderick, 7461.  7/29/1998. 		RM 666252	Barcode: RM0125556
_________________________________________________________________________

1914.  Equisetum arvense L. 				Equisetaceae

U.S.A, Idaho, Lemhi County: Salmon National Forest: Northern Salmon River Mountains: Twin Creek riparian forest along the lower end of Twin Creek Campground, 14.0 air mi N of the town of North Fork.  Elev. 5158 ft.
T26N R21E S3.  
Dominant population in hydric soil within a Douglas-fir vegetation, 10 degree slope, ESE aspect, quartzite geology. Phenology: vegetative only. 

Joshua J. Irwin, 6846.  7/25/2011. 		RM 
_________________________________________________________________________

1915.  Equisetum arvense L. 				Equisetaceae

U.S.A, Idaho, Custer County: Challis National Forest: Eastern Boulder Mountains: valley of the North Fork Big Lost River, between Slide and Corral canyons, 16.5 air mi NNE of Sun Valley.  Elev. 7461 ft.
T7N R18E S13.  
Dominant population in mesic soil within woody riparian vegetation, no slope, shale geology. Phenology: vegetative only. 

Joshua J. Irwin, 7470.  8/5/2011. 		RM 
     with Ben Legler
_________________________________________________________________________

1916.  Equisetum arvense L. 				Equisetaceae

U.S.A, Idaho, Lemhi County: Salmon National Forest: Lemhi Range: unnamed west fork of upper Big Eightmile Creek, 12.4 air mi WSW of Leadore.  Elev. 7809 ft.
T15N R24E S27.  
>150 plants estimated in mesic soil within a Douglas-fir vegetation, 10 degree slope, ESE aspect, till geology. Phenology: vegetative only. 

Joshua J. Irwin, 7711.  8/12/2011. 		RM 
     with Lucinda Haggas
_________________________________________________________________________

1917.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Lemhi County: Salmon National Forest: Salmon River Mountains: Salmon Wild and Scenic River: Wheat Creek to 0.7 air mi to NW.  Elev. 2939-2945 ft.
T24N R14E S35 E1/4.  45.3703 N, 114.6875 W to 45.3783 N, 114.6994 W; NAD 83, , GPS reading.  
Base of rocky to boulder covered slopes at edge of trail. Phenology: vegetative only. 

Ronald L. Hartman, 89534.  5/18/2010. 		RM 
_________________________________________________________________________

1918.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Lemhi County: Salmon National Forest: Lemhi Range: Boulder Flat along Hayden Creek Road (Forest Road 08) 1.4 road mi from forest boundary, ca 14.5 air mi SW of Tendoy.  Elev. 6176 ft.
T17N R23E S34 S1/2.  44.7568 N, 113.7146 W; NAD 83, , GPS reading.  
Douglas fir forest and adjacent stream. Phenology: vegetative only. 

Ronald L. Hartman, 90388.  7/27/2010. 		RM 
_________________________________________________________________________

1919.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Lemhi County: Salmon National Forest: Lemhi Range: junction of Mill Creek and Little Mill Creek, Forest Road 006, ca 12 air mi W of Leadore.  Elev. 7076 ft.
T16N R24E S22 NW1/4.  44.7068 N, 113.5959 W; NAD 83, , GPS reading.  
Streamside with Douglas fir and adjacent rocky area. Phenology: vegetative only. 

Ronald L. Hartman, 90522.  7/27/2010. 		RM 
_________________________________________________________________________

1920.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Lemhi County: Salmon National Forest: Beaverhead Mountains: Dahlonega Creek at Threemile Creek, junction of Forest roads 079 and 080, ca 3 mi E of Gibbonsville.  Elev. 4844 ft.
T26N R22E S28 NW1/4.  45.5614 N, 113.8694 W; NAD 83, , GPS reading.  
Stream bottom and adjacent flats with scattered cottonwood. Phenology: vegetative only. 

Ronald L. Hartman, 90586.  7/29/2010. 		RM 
_________________________________________________________________________

1921.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Lemhi County: Salmon National Forest: Salmon River Mountains: Forest Road 055 along Panther Creek at Clear Creek Trailhead.  Elev. 3412 ft.
T23N R18E S28.  45.2899 N, 114.3492 W; NAD 83, , GPS reading.  
Disturbed area and adjacent streamside. Phenology: vegetative only. 

Ronald L. Hartman, 90780.  8/1/2010. 		RM 
_________________________________________________________________________

1922.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Lemhi County: Salmon National Forest: Salmon River Mountains: Forest Road 055 at junction with Forest Road 076 to Leesburg; Panther Creek and Napias Creek area.  Elev. 4872 ft.
T21N R19E S22.  45.1379 N, 114.2171 W; NAD 83, , GPS reading.  
Roadside and seasonally wet fields; also adjacent to stream. Phenology: vegetative only. 

Ronald L. Hartman, 90812.  8/1/2010. 		RM 
_________________________________________________________________________

1923.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: Flaming Gorge National Recreation Area: Blacks Fork river bottom, ca 11 air mi SW of Green River; north side of the Blacks Fork; east side of Wyo Hwy 530.  Elev. 6040-6100 ft.
T16N R108W S7 South1/2; also South1/2 S8.  41.3791 N, 109.6187 W; uncertainty 1 mi., Digital Map.  
Alkaline clay and sand on the river bottom. Phenology: vegetative only. 

C. H. Refsdal, 1691.  7/13/1994. 		RM 691154	Barcode: RM0125269
_________________________________________________________________________

1924.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Lemhi County: Northern Salmon River Mountains: Salmon Wild and Scenic River/Frank Church - River of No Return Wilderness: along Horse Creek from the river ca 0.5 mi N to Pinto Creek.  Elev. 2900-3060 ft.
T24N R14E S21 SE1/4; also S27 NW1/4.  45 24.221' N, 114 44.206' W; NAD 83, , GPS reading.  

Ronald L. Hartman, 91557.  6/13/2011. 		RM 
     with Emma E. Stewart
_________________________________________________________________________

1925.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Custer County: Challis National Forest: Southern Salmon River Mountains: Bayhorse Lake and a radius of 0.5 mi, ca 10.5 air mi WSW of intersection of U.S. Hwy 93 and Ida Hwy 75 S of Challis  Elev. 8600-8620 ft.
T13N R17E S36.  44 24.683' N, 114 24.061' W; NAD 83, , GPS reading.  
Lake and margins with some upland species. 

Ronald L. Hartman, 91996.  8/15/2011. 		RM 
_________________________________________________________________________

1926.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Custer County: Challis National Forest: Southern Salmon River Mountains: ca 3 road mi N of Ida Hwy 75 on Squaw Creek Road, along road for ca 100 m, ca 19.5 air mi SW of Challis.  Elev. 5695 ft.
T11N R17E S16.  44 16.796' N, 114 28.017' W; NAD 83, , GPS reading.  
Talus slopes and roadside. Phenology: spores. 

Ronald L. Hartman, 92037.  8/16/2011. 		RM 
_________________________________________________________________________

1927.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Madison County: Tobacco Root Mountains: Mill Creek, ca 13 air mi ESE of Twin Bridges; ca 19 air mi WNW of Ennis.  Elev. 6400-6600 ft.
T4S R4W S22 N1/2 NW1/4; also SW1/4 SW1/4 S15.  45.48027 N, 112.08896 W to 45.47904 N, 112.08443 W; NAD 83, , GPS reading.  
Banks of a creek. Phenology: spores. 

Emma E. Freeland, 4404.  5/25/2013. 		RM 
     with Nicholas P. Freeland
_________________________________________________________________________

1928.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Madison County: Tobacco Root Mountain: McGovern Creek Trail, ca 13 air mi S of Cardwell; ca 18 air mi WNW of Norris.  Elev. 6340 ft.
T2S R3W S7 N1/2.  45.6818 N, 112.023 W; NAD 83, , GPS reading.  
Moist areas around a creek. Phenology: spores. 

Emma E. Freeland, 4488.  5/26/2013. 		RM 
     with Nicholas P. Freeland
_________________________________________________________________________

1929.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Madison County: Cliff Lake and Wade Lake region, ca 40 air mi SSE of Ennis, ca 16 air mi SE of Black Butte.  Elev. 6220-6440 ft.
T12S R1E S11 NE1/4.  44.8039 N, 111.5595 W; NAD 83, , GPS reading.  
Along a stream. Phenology: spores. 

Emma E. Freeland, 4593.  5/29/2013. 		RM 
_________________________________________________________________________

1930.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Madison County: Madison Range: Taylor Hilgard Unit of Lee Metcalf Wilderness: North Fork Bear Creek and Cameron Creek, ca 3-5 air mi NW of Sphinx Mountain, ca 14-15 air mi SE of Ennis.  Elev. 6370 ft.
T7S R1E S36.  45.1767 N, 111.5516 W to 45.176 N, 111.5553 W; NAD 83, , GPS reading.  
Picea forest along a creek. Phenology: vegetative only. 

Emma E. Freeland, 5548.  6/15/2013. 		RM 
_________________________________________________________________________

1931.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Madison County: Tobacco Root Mountains: Harris Creek, ca 14-15 air mi WNW of Ennis, ca 6 air mi SW of South Baldy Mountain.  Elev. 6480 ft.
T5S R3W S7.  45.4098 N, 112.0198 W to 45.4094 N, 112.0204 W; NAD 83, , GPS reading.  
Moist soil along a creek. Phenology: spores. 

Emma E. Freeland, 5768.  6/18/2013. 		RM 
_________________________________________________________________________

1932.  Equisetum arvense L. 				Equisetaceae

U.S.A., Montana, Madison County: Snowcrest Range: Divide Creek and Pocket Creek, along Forest Road 100, ca 4.5 air mi N of Forest Boundary, ca 7-8 air mi E of Antone Peak, ca 34 air mi S of Virginia City.  Elev. 7280-7440 ft.
T12S R4W S12 SE1/4.  44.7991 N, 112.0253 W to 44.7999 N, 112.0257 W; NAD 83, , GPS reading.  
Along a creek. Phenology: vegetative only. 

Emma E. Freeland, 5992.  6/23/2013. 		RM 
_________________________________________________________________________

1933.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Garfield County: White River National Forest: Fourmile Creek W of Sunlight Ski Area, ca 11 air mi SSW of Glenwood Springs at the junction of I-70 and Colo Hwy 82.  Elev. 8520-8800 ft.
T7S R89W S31; also S32.  39.4035 N, 107.3601 W to 39.4074 N, 107.3588 W; NAD 83, , GPS reading.  
Aspen grove and riparian corridor. Phenology: spores. 

Michael K. Kirkpatrick, 1357.  6/13/2010. 		USFS 	Barcode: USFS0061308
_________________________________________________________________________

1934.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Montrose County: Cimarron Ridge: BLM land adjacent to Buckhorn Lakes State Wildlife Area: NW of Storm King Mountain, ca 17.5 air mi SE of Montrose.  Elev. 10000-10400 ft.
T47N R6W S16 E1/2.  38.3358 N, 107.6405 W to 38.3377 N, 107.6386 W to 38.3277 N, 107.6394 W; NAD 83, , GPS reading.  
Moist area next to pond in spruce/fir. Phenology: vegetative only. 

Lori E. Brummer, 733.  6/30/2010. 		RM 
_________________________________________________________________________

1935.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Montrose County: Uncompahgre Plateau: Uncompahgre National Forest: Windy Point and Iron Springs Mesa, Forest Road 507, ca 35 air mi W of Montrose.  Elev. 8550-9562 ft.
T48N R15W S5 NE1/4.  38.4566 N, 108.5355 W to 38.4622 N, 108.534 W; NAD 83, , GPS reading.  
Moist aspen/spruce woods. Phenology: vegetative only. 

Lori E. Brummer, 1143.  7/26/2010. 		RM 
_________________________________________________________________________

1936.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Ouray County: Uncompahgre National Forest: area between Cow Creek and Green Mountain trailheads, where County Road 12 ends at Cow Creek, ca 32 air mi SSW of Montrose.  Elev. 8300 ft.
T44N R7W S2 NW1/4; also NE1/4 S3 and T45N R7W S34 South1/2.  38.0941 N, 107.60905 W to 38.10353 N, 107.6155 W; NAD 83, , GPS reading.  
Gravel bar next to creek. Phenology: vegetative only. 

Lori E. Brummer, 1234.  7/28/2010. 		RM 
_________________________________________________________________________

1937.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Mesa County: Battlement Mesa: Grand Mesa National Forest: Brush Creek Trail to Battlement Trail, ca 46 air mi NW of Grand Junction.  Elev. 8567-10200 ft.
T8S R93W S25 N1/2; also S24, S13, and S12.  39.3403 N, 107.8408 W to 39.3801 N, 107.8277 W to 39.3747 N, 107.8342 W; GPS reading.  
Spruce/fir forest. Phenology: vegetative only. 

Lori E. Brummer, 1318.  7/30/2010. 		RM 
_________________________________________________________________________

1938.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Mesa County: Battlement Mesa: Grand Mesa National Forest: Brush Creek Trail to Battlement Trail, ca 46 air mi NW of Grand Junction.  Elev. 8567-10200 ft.
T8S R93W S25 N1/2; also S24, S13, and S12.  39.3403 N, 107.8408 W to 39.3801 N, 107.8277 W to 39.3747 N, 107.8342 W; GPS reading.  
Moist area in spruce forest. Phenology: vegetative only. 

Lori E. Brummer, 1325.  7/30/2010. 		RM 
_________________________________________________________________________

1939.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Montrose County: Uncompaghre Plateau: 25 Mesa: Monitor Creek, ca 20.5 air mi SW of Delta.  Elev. 7000-7400 ft.
T50N R2E S3 South1/2.  38.5305 N, 108.3175 W; GPS reading.  
Along creek in pinyon/juniper. Phenology: vegetative only. 

Lori E. Brummer, 2002.  8/13/2010. 		RM 
_________________________________________________________________________

1940.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Gunnison County: Gunnison National Forest: S of McClure Pass, Raggeds Trail 820, ca 23 air mi NW of Paonia.  Elev. 8400-9600 ft.
T11S R89W S11 SE1/4; also E1/2 S13, S23, SE1/4 S22, and E1/2 S27.  39.0676 N, 107.3201 W to 39.0734 N, 107.3171 W to 39.1089 N, 107.2967 W; GPS reading.  
Riparian area in aspen. Phenology: vegetative only. 

Lori E. Brummer, 2243.  8/17/2010. 		RM 
_________________________________________________________________________

1941.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Delta County: Grand Mesa: small tributary of West Fork Surface Creek along Surface Creek or Forest Road 125 ca 2 1/4 air mi N of forest boundary, ca 23.5 air mi NNE of Delta.  Elev. 9530-9730 ft.
T12S R94W S2 SE1/4.  39.0358 N, 107.8561 W to 39.0395 N, 107.8578 W; NAD 83, , GPS reading.  
Alder/willow thickets along stream with scattered large spruce trees. Phenology: vegetative only. 

B. E. Nelson, 82680.  7/15/2011. 		RM 
     with Lori E. Brummer
_________________________________________________________________________

1942.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Mesa County: Uncompahgre Plateau: Dominguez Canyon, middle section of trail to Cactus Park Trail junction, ca 20 air mi NNW of Delta.  Elev. 4950-5700 ft.
T14S R99W S27 South1/4; also S26, NE1/4 S25, and T14S R98W S19 South1/2.  38.8003 N, 108.438 W to 38.8184 N, 108.3862 W; NAD 83, , GPS reading.  
Riparian area in desert canyon. Phenology: vegetative only. 

Lori E. Brummer, 3106.  5/25/2011. 		RM 
_________________________________________________________________________

1943.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Mesa County: Uncompahgre Plateau: Brushy Ridge Trail to Brush Mountain, ca 27.5 air mi SW of Delta.  Elev. 8560-8880 ft.
T50N R15W S8 NE1/4; also SE1/4 S5, W1/4 S4, NE1/4 S10, and W1/2 S2.  38.622 N, 108.513 W to 38.626 N, 0 W; NAD 83, , GPS reading.  
In spring development in ponderosa pine. Phenology: vegetative only. 

Lori E. Brummer, 3773.  6/10/2011. 		RM 
_________________________________________________________________________

1944.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Mesa County: Uncompahgre Plateau: Divide Road: Carson Hole Trailhead to Carson Hole, then NE along Dominguez Creek, ca 29.5 air mi W of Delta.  Elev. 7640-8710 ft.
T51N R16W S8 SW1/4; also NW1/4 S17, T15S R101W S24 NE1/4, and T15S R100W S19 NW1/2.  38.7369 N, 108.6145 W to 38.7387 N, 108.622 W; NAD 83, , GPS reading.  
Along small creek in coniferous riparian area. Phenology: vegetative only. 

Lori E. Brummer, 4035.  6/15/2011. 		RM 
_________________________________________________________________________

1945.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Gunnison County: Gunnison Basin: BLM Lands E of Paonia Reservoir off of County Road 2, ca 44 air mi NE of Delta.  Elev. 6860-7200 ft.
T12S R89W S27 SW1/4; also NW1/4 S34.  38.97426 N, 107.3233 W to 38.9795 N, 107.3285 W; NAD 83, , GPS reading.  
Riparian area in mixed mountain shrub/oak community. Phenology: vegetative only. 

Lori E. Brummer, 4427.  6/23/2011. 		RM 
_________________________________________________________________________

1946.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Montrose County: Uncompahgre Plateau: Love Mesa, off Forest Road 500, ca 23.5 air mi SW of Delta.  Elev. 9230-9300 ft.
T49N R15W S28 NW1/4; also NE1/4 S29 and SE1/4 S20.  38.48491 N, 108.55338 W to 38.4906 N, 108.557 W; NAD 83, , GPS reading.  
Next to creek in aspen woodland. Phenology: vegetative only. 

Lori E. Brummer, 4523.  6/25/2011. 		RM 
     with Joe E. Brummer
_________________________________________________________________________

1947.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Montrose County: Uncompahgre Plateau: Dry Creek Trail (Forest Trail 114), along trail and adjoining area, ca 18.5 air mi SW of Montrose.  Elev. 8840-9520 ft.
T47N R11W S18; also E1/2 S19, SW1/4 S20, W1/2 S29, and NE1/4 S30.  38.2999 N, 108.1124 W to 38.3342 N, 108.1211 W; NAD 83, , GPS reading.  
Riparian area in spruce/fir. Phenology: vegetative only. 

Lori E. Brummer, 4766.  7/6/2011. 		RM 
_________________________________________________________________________

1948.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Mesa County: Uncompahgre Plateau: Dillard Mesa, junction of Forest Road 504 and Forest Road 501, ca 24 air mi SW of Delta.  Elev. 8320-8400 ft.
T49N R14W S15 W1/2.  38.5125 N, 108.4212 W; NAD 83, , GPS reading.  
Riparian area in aspen. Phenology: vegetative only. 

Lori E. Brummer, 4952.  7/8/2011. 		RM 
_________________________________________________________________________

1949.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Mesa County: Grand Mesa National Forest: Ruth Mountain Area: along Owens Creek and Forest Road 268, ca 5.7 road mi ENE of County Road 265, ca 25 air mi SSE of Rifle.  Elev. 8800 ft.
T9S R91W S29 SE1/4; also S28 SW 1/4.  39.24 N, 107.5718 W; NAD 83, , GPS reading.  
Riparian area in aspen. Phenology: vegetative only. 

Lori E. Brummer, 5025.  7/10/2011. 		RM 
_________________________________________________________________________

1950.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Delta County: Grand Mesa: Old Grand Mesa Road, south section, Forest Road 123, ca 20.5 air mi NNE of Delta.  Elev. 8840-9800 ft.
T21S R94W S7 SW1/4; also S18.  39.0231 N, 107.9406 W to 39.0064 N, 107.9383 W; NAD 83, , GPS reading.  
Riparian area in spruce/fir. Phenology: vegetative only. 

Lori E. Brummer, 5126.  7/12/2011. 		RM 
_________________________________________________________________________

1951.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Mesa County: Uncompahgre Plateau: La Fair Creek off of Divide Road (Forest Road 402), ca 30 air mi W of Delta.  Elev. 8240-8400 ft.
T15S R101W S35 SW1/4.  38.7002 N, 108.6521 W to 38.7064 N, 108.6557 W; NAD 83, , GPS reading.  
Riparian area in montane. Phenology: vegetative only. 

Lori E. Brummer, 5456.  7/18/2011. 		RM 
     with Linda Deeds, Kim Hansen
_________________________________________________________________________

1952.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Ouray County: San Juan Mountains: East Fork Dallas Creek, Blue Lakes and Blain Basin Trailhead, at the end of County Road 5, ca 9 air mi SSW of Ridgeway.  Elev. 9370-9580 ft.
T44N R9W S25.  38.0367 N, 107.8042 W to 38.0354 N, 107.8074 W; NAD 83, , GPS reading.  
Along small creek in subalpine. Phenology: vegetative only. 

Lori E. Brummer, 5616.  7/20/2011. 		RM 
     with Linda Deeds, Kim Hansen
_________________________________________________________________________

1953.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Delta County: Electric Mountain: Hubbard Creek and Terror Trail to south ridge of Electric Mountain, ca 19 air mi NNE of Hotchkiss.  Elev. 8460-9760 ft.
T11S R91W S32 South1/2; also S33 and T12S R91W S4 NW1/4 and NE1/4 S5.  39.0618 N, 107.5513 W to 39.0449 N, 107.5632 W to 39.0569 N, 107.588 W; NAD 83, , GPS reading.  
Along small creek in aspen. Phenology: vegetative only. 

Lori E. Brummer, 5803.  7/22/2011. 		RM 
_________________________________________________________________________

1954.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Delta County: Grand Mesa: Goodenough Reservoir, along Forest Road 128, ca 15.5 air mi NNE of Hotchkiss.  Elev. 10080-10520 ft.
T12S R92W S9 NW1/4; also SE1/4 S4 and NW1/4 S8.  39.0325 N, 107.6734 W to 39.0279 N, 107.6952 W; NAD 83, , GPS reading.  
Wet meadow in subalpine. Phenology: vegetative only. 

Lori E. Brummer, 6079.  7/27/2011. 		RM 
_________________________________________________________________________

1955.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Ouray County: San Juan Mountains: West Dallas Creek above Box Factory Park, ca 10 air mi WNW of Ouray.  Elev. 9300-9640 ft.
T44N R9W S28 W1/2; also SW1/4 S21.  38.0379 N, 107.8634 W to 38.0447 N, 107.86079 W; NAD 83, , GPS reading.  
Moist coniferous/aspen subalpine forest. Phenology: vegetative only. 

Lori E. Brummer, 6302.  7/30/2011. 		RM 
     with Joe E. Brummer
_________________________________________________________________________

1956.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Ouray County: Uncompahgre Plateau: Spring development off Dave Wood Road between Dewdrop Springs and Happy Canyon, ca 13 air mi SW of Montrose.  Elev. 8632 ft.
T46N R10W S4 NE1/4.  38.2712 N, 107.9705 W; NAD 83, , GPS reading.  
Along edge of spring in montane. Phenology: vegetative only. 

Lori E. Brummer, 7002.  8/14/2011. 		RM 
_________________________________________________________________________

1957.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Montrose County: Uncompahgre Plateau: BLM lands off of H54 Road, ca 12 air mi S of Delta.  Elev. 5670 ft.
T50N R11W S26 NW1/4.  38.5768 N, 108.0746 W to 38.5748 N, 108.0735 W; NAD 83, , GPS reading.  
Along irrigation ditch in desert scrub. Phenology: vegetative only. 

Lori E. Brummer, 7057.  8/14/2011. 		RM 
_________________________________________________________________________

1958.  Equisetum arvense L. 				Equisetaceae

U.S.A., Utah, Daggett County: North Slope Uinta Mountains: Flaming Gorge National Recreation Area: Sheep Creek, ca 4 air mi S of Manila; junction of Forest Road 218 and Utah Hwy 44 on west side of Forest Road.  Elev. 6240 ft.
T2N R19E S12.  
Creek with willows and Carex. Phenology: vegetative only. 

C. H. Refsdal, 3107b.  9/4/1994. 		 
_________________________________________________________________________

1959.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: North French Creek at intersection of Forest Road 227 (North French Creek Road)  and Forest Road 225 (South French Creek Road), ca 20 air mi SE of Saratoga.  Elev. 8612-8644 ft.
T15N R81W S11.  41.2835 N, 106.4585 W to 41.2835 N, 106.4584 W; WGS 84, , GPS reading.  
Moist open conifer forest near creek. Phenology: vegetative only. 

Laura E. Lukas, 2201.  7/13/2007. 		RM 919553	Barcode: RM0079042
_________________________________________________________________________

1960.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Platte County: Ca 22 mi NW of Wheatland.  Elev. 5600 ft.
42 18.7' N, 105 14.8' W; unknown, , GPS reading.  
Stream bank, with Schoenoplectus and Barbarea. Phenology: vegetative only. 

Robert D. Dorn, 11193.  6/19/2014. 		RM 921166	Barcode: RM0079297
_________________________________________________________________________

1961.  Equisetum arvense L. 				Equisetaceae

U.S.A., Utah, Daggett County: North Slope Uinta Mountains: Ashley National Forest: south side of Forest Road 539 along west side of Deep Creek; Deep Creek Campground.  Elev. 7700 ft.
T1N R19E S1.  
Spruce forest, seeps, streambank. Phenology: vegetative only. 

C. H. Refsdal, 3217a.  9/4/1994. 		 
_________________________________________________________________________

1962.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Delta County: Grand Mesa: Gunnison National Forest: Chalk Mountain, base of mountain on E side, ca 17 air mi NNW of Paonia.  Elev. 10368 ft.
T11S R92W S10 SW1/4.  39.11311 N, 107.6544 W; NAD 83, , GPS reading.  
Base of mountainside in clay soil with Senecio serra and Rumex densiflorus. Phenology: vegetative only. 

Lori E. Brummer, 12392.  8/22/2015. 		RM 
     with Gay Austin
_________________________________________________________________________

1963.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Idaho County: Clearwater National Forest: Lochsa River Drainage: Eagle Mountain Pack Bridge Trail Head: ca 1 mi on Pack Trail 206, ca 45 air mi ENE of Kooskia.  Elev. 2626-3126 ft.
46 25.54' N, 115 7.75' W; GPS reading.  
Streamside in mixed coniferous forest including Thuja plicata. Phenology: vegetative only. 

Georgia G. Thomas, 12.  6/17/2013. 		RM 
_________________________________________________________________________

1964.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Idaho County: Nez Perce National Forest: Selway-Bitterroot Wilderness: Selway River Drainage: ca 4 mi on Forest Trail 708, 100 ft up from Gedney Creek, ca 33 air mi E of Kooskia.  Elev. 2279 ft.
46 5.178' N, 115 17.799' W; GPS reading.  
Steep bank of stream, mixed conifers, mixed shrubs, Thuja plicata, Douglas fir, ponderosa pine. Phenology: vegetative only. 

Georgia G. Thomas, 66.  6/19/2013. 		RM 
_________________________________________________________________________

1965.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Idaho County: Nez Perce National Forest: Selway River Drainage: Slims Campground/Trail Head: ca 5 mi on Meadow Creek National Recreation Trail, near Pea Creek, ca 1500 ft above Meadow Creek, ca 32 air mi ESE of Kooskia.  Elev. 3110 ft.
45 58.545' N, 115 16.957' W; GPS reading.  
Small streamside seep. Phenology: vegetative only. 

Georgia G. Thomas, 280.  6/26/2013. 		RM 
_________________________________________________________________________

1966.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Idaho County: Nez Perce National Forest: Selway River Drainage: Fog Mountain Road, ca 7 mi on Forest Road 319, ca 34 air mi ESE of Kooskia.  Elev. 4774 ft.
46 4.411' N, 115 16.94' W.  
Roadside, mixed conifer forest, including ponderosa pine. Phenology: vegetative only. 

Georgia G. Thomas, 529.  7/1/2013. 		RM 
_________________________________________________________________________

1967.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Idaho County: Clearwater National Forest: Bitterrroot Mountains: Savage Pass, Forest Road 360, ca 28 air mi NW of Hamilton, MT.  Elev. 6176 ft.
46 27.875' N, 114 37.897' W; GPS reading.  
Creekside meadow. Phenology: vegetative only. 

Georgia G. Thomas, 635.  7/7/2013. 		RM 
_________________________________________________________________________

1968.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Idaho County: Nez Perce National Forest: Middle Fork Clearwater Wild and Scenic River: Forest Road 443, ca 1.5 mi from Selway Falls.  Elev. 3190 ft.
46 01.131' N, 115 20.070' W.  
Mixed conifer forest, ponderosa pine, Douglas fir, grand fir, spruce. Phenology: vegetative only. 

Georgia G. Thomas, 1348.  7/25/2013. 		RM 
_________________________________________________________________________

1969.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Idaho County: Nez Perce National Forest: Middle Fork Clearwater Wild and Scenic River: Selway River, by Nineteen Mile Creek, ca 24 air mi ESE of Kooskia.  Elev. 1983 ft.
46 5.204' N, 115 29.085' W; GPS reading.  
Rocky streambank. Phenology: vegetative only. 

Georgia G. Thomas, 1368.  7/25/2013. 		RM 
_________________________________________________________________________

1970.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Idaho County: Nez Perce National Forest: Selway River Drainage: Lookout Butte Road, Forest Road 1129 near intersection with Forest Road 286, ca 18 air mi ESE of Kooskia.  Elev. 5295 ft.
46 03.384' N, 115 38.998' W.  
Roadside seep. Phenology: vegetative only. 

Georgia G. Thomas, 1416.  7/24/2013. 		RM 
_________________________________________________________________________

1971.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Idaho County: Nez Perce National Forest: Selway River Drainage: ca 3 mi on Forest Road 470, Swiftwater Road, ca 19 air mi E of Kooskia.  Elev. 3102 ft.
46 07.276' N, 115 35.562' W.  
Mixed conifer forest, roadside. Phenology: vegetative only. 

Georgia G. Thomas, 1443.  7/24/2013. 		RM 
_________________________________________________________________________

1972.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Idaho County: Nez Perce National Forest: Selway River Drainage: O'Hara Road following O'Hara Creek, ca 3 mi on Forest Road 651, ca 23 air mi ESE of Kooskia.  Elev. 3111 ft.
46 2.94' N, 115 32.337' W; GPS reading.  
Eroded hillside. Phenology: vegetative only. 

Georgia G. Thomas, 1480.  7/25/2013. 		RM 
_________________________________________________________________________

1973.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Idaho County: Nez Perce National Forest: Selway River Drainage: O'Hara Road following O'Hara Creek, ca 3 mi on Forest Road 651, ca 23 air mi ESE of Kooskia.  Elev. 3111 ft.
46 2.94' N, 115 32.337' W; GPS reading.  
Roadside seep. Phenology: vegetative only. 

Georgia G. Thomas, 1489.  7/25/2013. 		RM 
_________________________________________________________________________

1974.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Idaho County: Clearwater National Forest: Bitterroot Mountains: Elk Summit: Pack Trail 18 toward Diablo Mountain, ca 24 air mi WNW of Hamilton, MT.  Elev. 6106 ft.
46 19.52' N, 114 36.536' W; GPS reading.  
Wet meadow around a lake; subalpine. Phenology: vegetative only. 

Georgia G. Thomas, 1594.  7/28/2013. 		RM 
_________________________________________________________________________

1975.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Idaho County: Nez Perce National Forest: Selway-Bitterroot Wilderness: Twin Lakes Trail Head: ca 4 mi on Trail 421 near Moose Lake along East Moose Creek, ca 17 air mi WSW of Hamilton, MT.  Elev. 4942 ft.
46 13.522' N, 114 29.995' W; GPS reading.  
Rocky streamside dominated by young lodgepole pine open forest. Phenology: vegetative only. 

Georgia G. Thomas, 1733.  8/2/2013. 		RM 
_________________________________________________________________________

1976.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Idaho County: Nez Perce National Forest: Selway-Bitterrroot Wilderness: along East Fork Moose Creek between Lost Horse Pass and Moose Lake, ca 17 air mi WSW of Hamilton, MT.  Elev. 5496 ft.
46 10.949' N, 114 29.832' W; GPS reading.  
Mixed coniferous forest including grand firs. Phenology: vegetative only. 

Georgia G. Thomas, 1797.  8/2/2013. 		RM 
_________________________________________________________________________

1977.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Idaho County: Clearwater National Forest: Forest Road 5503 near Syringa, ca 12 air mi E of Kooskia.  Elev. 1770 ft.
46 08.179' N, 115 45.603' W.  
Roadside seep. Phenology: vegetative only. 

Georgia G. Thomas, 1956.  8/5/2013. 		RM 
_________________________________________________________________________

1978.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Idaho County: Nez Perce National Forest: Selway River Drainage: Forest Road 470/286 to Kooskia, ca 20 air mi ESE of Kooskia.  Elev. 4417 ft.
46 06.661' N, 115 39.616' W.  
Seep. Phenology: vegetative only. 

Georgia G. Thomas, 1980.  8/8/2013. 		RM 
_________________________________________________________________________

1979.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Idaho County: Clearwater National Forest: Lochsa River Drainage: Mocus Point Trail Head: along Lochsa River.  Elev. 2852 ft.
46 27.617' N , 115 01.231' W.  
Marsh. Phenology: vegetative only. 

Georgia G. Thomas, 2181.  8/10/2013. 		RM 
_________________________________________________________________________

1980.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Idaho County: Clearwater National Forest: Selway-Bitterroot Wilderness: Lochsa River Drainage: Wilderness Gateway Trail Head: ca 3 mi on Pack Trail 211 to Stanley Hot Springs, ca 36 air mi ENE of Kooskia.  Elev. 3238 ft.
46 19.339' N, 115 16.78' W; GPS reading.  
Mixed conifer forest, hillside. Phenology: vegetative only. 

Georgia G. Thomas, 2218.  8/10/2013. 		RM 
_________________________________________________________________________

1981.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Idaho County: Nez Perce National Forest: Middle Fork Clearwater Wild and Scenic River: Selway River, ca 23 air mi ESE of Kooskia.  Elev. 1606 ft.
46 5.146' N, 115 29.91' W; GPS reading.  
Rocky bank by river. Phenology: vegetative only. 

Georgia G. Thomas, 2435.  8/17/2013. 		RM 
_________________________________________________________________________

1982.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Idaho County: Nez Perce National Forest: Middle Fork Clearwater Wild and Scenic River: Race Creek Trail Head: along Selway River, ca 3 mi upriver from Race Creek along Forest Trail 4, above Balinger Rapids, ca 23 mi NNE of Elk City.  Elev. 1854 ft.
46 04.770' N, 115 09.071' W.  
Rocky, open, Pinus ponderosa dominated streamside slope.   Phenology: vegetative only. 

Georgia G. Thomas, 2455.  5/27/2014. 		RM 
_________________________________________________________________________

1983.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Idaho County: Bitterroot National Forest: Middle Flork Clearwater Wild and Scenic River: Paradise Guard Station: ca 2 mi on Forest Trail 4 along Selway River, ca 30 air mi WSW of Darby, MT.  Elev. 3024-3028 ft.
45 52.118' N, 114 45.397' W to 45 52.893' N, 114 47.740' W; GPS reading.  
Riverside grove of mixed conifers dominated by Thuja plicata. Phenology: vegetative only. 

Georgia G. Thomas, 2638.  6/3/2014. 		RM 
_________________________________________________________________________

1984.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Idaho County: Bitterroot National Forest: Forest Road 468, Magruder Corridor Road, ca 10 air mi W of Nez Perce Pass, ca 33 air mi SW of Darby, MT.  Elev. 4173-4409 ft.
45 42.711' N, 114 41.721' W to 45 42.307' N, 114 41.233' W; GPS reading.  
Steep roadside embankment with water collected in drainages beside road. Phenology: vegetative only. 

Georgia G. Thomas, 2680.  6/2/2014. 		RM 
_________________________________________________________________________

1985.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Idaho County: Nez Perce National Forest: Selway River Drainage: Meadow Creek, Slims Campground, ca 0.5 mi on Forest Road 443 from Selway River, ca 33 air mi ESE of Stites.  Elev. 2004 ft.
46 01.820' N , 115 17.405' W; GPS reading.  
Streamside. Phenology: vegetative only. 

Georgia G. Thomas, 4704.  7/29/2014. 		RM 
_________________________________________________________________________

1986.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Idaho County: Nez Perce National Forest: Middle Fork Clearwater Wild and Scenic River: Race Creek ca 1.5 mi up the Selway River from Selway Falls, ca 19 air mi ESE of Lowell.  Elev. 1740-2100 ft.
T31N R9E S12 NW1/4 NW1/4.  46.0461 N, 115.2833 W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO!.  
Phenology: vegetative only. 

Ronald L. Hartman, 92262.  6/7/2012. 		RM 
     with Jack Hartman
_________________________________________________________________________

1987.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Idaho County: Clearwater National Forest: along Middle Fork Clearwater River on U.S. Hwy 12, ca 3 road mi SW of Syringa; ca 10 air mi E of Kooskia.  Elev. 1400 ft.
T32N R5E S12.  46.1208 N, 115.7733 W; NAD 83, , Nat. Geog. TOPO!.  
Roadside. Phenology: vegetative only. 

Ronald L. Hartman, 92394.  6/12/2012. 		RM 
     with Jack Hartman
_________________________________________________________________________

1988.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Idaho County: Nez Perce National Forest: on Forest Road 244, ca 6 air mi SSW of Clearwater (town).  Elev. 2950 ft.
T30N R5E S15 SE1/4.  45 56.28' N, 115 55.961' W; unknown, , GPS reading.  
Phenology: vegetative only. 

Ronald L. Hartman, 92411.  6/12/2012. 		RM 
     with Jack Hartman
_________________________________________________________________________

1989.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Idaho County: Nez Perce National Forest: along Hamby Fork, ca 5.5 air mi SSW of Fenn Ranger Station; ca 21 air mi ESE of Kooskia.  Elev. 4000 ft.
T31N R7E S16.  46 1.56' N, 115 34.807' W; unknown, , GPS reading.  
Roadside. 

Ronald L. Hartman, 92473.  6/14/2012. 		RM 
     with Jack Hartman
_________________________________________________________________________

1990.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Idaho County: Clearwater National Forest: Middle Fork Clearwater Wild and Scenic River System: along Split Creek Trail along the Lochsa River near Black Canyon, ca 29.5 air mi E of Kamiah.  Elev. 1750 ft.
T33N R8E S1 NW1/4.  46.2315 N, 115.4123 W; NAD 83, uncertainty 0.5 mi., Nat. Geog. TOPO!.  
Along the river. 

Ronald L. Hartman, 93114.  6/11/2013. 		RM 
     with Georgia G. Thomas
_________________________________________________________________________

1991.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Idaho County: Nez Perce National Forest: Middle Fork Clearwater Wild and Scenic River System: along the Selway River on the trail to Moose Creek Cabin, ca 1 mi upstream from Race Creek, ca 34.5 air mi ESE of Kooskia.  Elev. 1750 ft.
T31N R9E S12 N1/2.  46.0439 N, 115.2705 W; NAD 83, uncertainty 0.5 mi., Nat. Geog. TOPO!.  
Along the river. 

Ronald L. Hartman, 93173.  6/11/2013. 		RM 
     with Georgia G. Thomas
_________________________________________________________________________

1992.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Idaho County: Bitterroot National Forest: Paradise Campground and vicinity along White Cap Creek, ca 63 air mi ESE of Kooskia  Elev. 3050-3100 ft.
T29N R14E S9 SW1/4.  45 51.7691' N, 114 44' 13" W; unknown, , GPS reading.  
Campground, creek side, and conifer covered slopes and cliffs. 

Ronald L. Hartman, 93216.  6/13/2013. 		RM 949899	Barcode: RM0155520
     with Georgia G. Thomas
_________________________________________________________________________

1993.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Idaho County: Nez Perce National Forest: at the forest boundary on Forest Road 470 above the Selway River, ca 1.5 air mi S of Lowell; ca 19 air mi E of Kooskia.  Elev. 2050 ft.
T32N R7E S16; also S9.  46.1196 N, 115.5899 W; NAD 83, uncertainty 0.5 mi., Nat. Geog. TOPO!.  
Roadside through conifers. Phenology: vegetative only. 

Ronald L. Hartman, 93296.  6/16/2013. 		RM 
     with Georgia G. Thomas
_________________________________________________________________________

1994.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Idaho County: Nez Perce National Forest: along Forest Road 1119, ca 4 air mi due S of Middle Fork Clearwater River, ca 17.5 air mi ESE of Kooskia.  Elev. 4800 ft.
T32N R7E S30.  45 4.68' N, 115 37.783' W; unknown, , GPS reading.  
Roadside through coniferous forest. 

Ronald L. Hartman, 93321.  6/16/2013. 		RM 
     with Georgia G. Thomas
_________________________________________________________________________

1995.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Rock Creek Canyon, between feeder creek and Rock Creek.  Elev. 9350 ft.
T17N R78W S8.  
Marshy flood zone, with Mimulus and Mertensia. Phenology: vegetative only. 

L. Strack, 106.  7/24/1987. 		RM 395415	Barcode: RM0125457
_________________________________________________________________________

1996.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Latah County: Palouse Range: Vassar Meadow, S of Forest Road 3347.  Elev. 2966 ft.
T40N R2W S2.  46.849 N, 116.5514 W; WGS 84, , GPS reading.  
Lush meadow dominated by Carex spp., Camassia quamash, Bistorta bistortoides and occasional saturated swales rich with Carex, Juncus and Scirpus spp.  Periphery inhabited by Abies grandis dominant forest. Phenology: vegetative only. 

Crista L. O'Conner, 359.  5/30/2016. 		RM 
_________________________________________________________________________

1997.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Latah County: Palouse Range: along Slate Creek at Forest Road 1433, ca 1 mi WSW of Baby Grand Mountain and 18.5 air mi ENE of Potlatch.  Elev. 3200-3400 ft.
T42N R2W S12.  46.991 N, 116.5339 W; WGS 84, , GPS reading.  
In moist draw of creek, with dense canopy of Thuja plicata and Tsuga heterophylla. Phenology: vegetative only. 

Crista L. O'Conner, 444.  6/3/2016. 		RM 
     with B. E. Nelson
_________________________________________________________________________

1998.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Clearwater County: Clearwater Mountains: along North Fork Clearwater River and Forest Road 250 in Black Canyon, ca 1.5 air mi E of Flat Mountain and 32 air mi NE of Pierce.  Elev. 2900 ft.
T39N R10E S6 SE1/4.  46.7446 N, 115.239 W; WGS 84, , GPS reading.  
Riparian and island NE of road. Phenology: vegetative only. 

Crista L. O'Conner, 675.  6/8/2016. 		RM 
     with B. E. Nelson
_________________________________________________________________________

1999.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Clearwater County: Upper Basin: along Elk Creek and Forest Road 382, just NE of Trestle Creek and ca 6.5 mi N of Elk River.  Elev. 3480-3600 ft.
T41N R2E S24 N1/2.  46.8883 N, 116.1465 W to 46.8876 N, 116.1538 W; WGS 84, , GPS reading.  
Saturated meadow and bog surrounded by community of Abies lasiocarpa and Picea engelmannii. Phenology: vegetative only. 

Crista L. O'Conner, 968.  6/15/2016. 		RM 
     with Joshua Miller
_________________________________________________________________________

2000.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Clearwater County: Clearwater Mountains: Musselshell Meadow and Creek, along Forest Road 535 and Nez Perce National Historic Trail (approx. historic route; developed trail non-existent); ca 10 air mi SSE of Pierce.  Elev. 3200 ft.
T35N R6E S20; also S19.  46.358 N, 115.7419 W; WGS 84, , GPS reading.  
Within northern portion of meadow and along creek. Phenology: vegetative only. 

Crista L. O'Conner, 1059.  6/18/2016. 		RM 
_________________________________________________________________________

2001.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Clearwater County: Clearwater Mountains: Lost Hat Saddle: S of Orofino Creek and N of Dan Lee Ridge, ca 4 air mi WNW of Hemlock Butte and ca 5 air mi SE of Pierce.  Elev. 4100-4420 ft.
T36N R6E S16 SW1/4.  46.4597 N, 115.7028 W; WGS 84, , GPS reading.  
Along roadside seeps, roadcut and forest margin. Phenology: vegetative only. 

Crista L. O'Conner, 1227.  6/20/2016. 		RM 
_________________________________________________________________________

2002.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Clearwater County: Clearwater Mountains: North Fork Clearwater River at Canyon Work Center, along rocky riparian confluence of Grasshopper Creek and river, ca 3 air mi SW of Black Mountain and ca 26 air mi NNE of Pierce.  Elev. 1760 ft.
T40N R7E S4 SE1/4.  46.8365 N, 115.5834 W; WGS 84, , GPS reading.  
Confluence highly influenced by seasonal high-water line, as evidenced by a series of pools near the mouth of the creek. Phenology: vegetative only. 

Crista L. O'Conner, 1469.  6/23/2016. 		RM 
_________________________________________________________________________

2003.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Latah County: Hoodoo Mountains: southern slope of range in Mountain Gulch drainage, from shoulder-slope to mid-slope along draw, ca 3 air mi E of Bald Mountain and 20 air mi NE of Potlatch.  Elev. 4000-4650 ft.
T43N R2W S36 E1/2; also W1/2 S31 and SW1/4 S30.  47.0398 N, 116.5188 W to 47.034 N, 116.5227 W; WGS 84, , GPS reading.  
Mixed coniferous forest dominated by sizeable seral (i.e., Larix occidentalis) and late-seral (i.e., Abies grandis) communities on shoulder slope, and Thuja plicata in moist draw. Phenology: vegetative only. 

Crista L. O'Conner, 1511.  6/25/2016. 		RM 
_________________________________________________________________________

2004.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Idaho County: Clearwater Mountains: Lochsa River: southeasterly-facing toe slope N of river, along Forest Trail 2, ca 10.5 air mi NE of Lowell.  Elev. 1760-2100 ft.
T33N R8E S2 NE1/4.  46.231 N, 115.4162 W to 46.2309 N, 115.4199 W; WGS 84, , GPS reading.  
Mixed coniferous forest consisting largely of early to mid-seral species, transitioning to areas of shrub dominance on steeper slopes of southerly aspect with occasional rock outcrops. Phenology: vegetative only. 

Crista L. O'Conner, 1732.  6/30/2016. 		RM 
_________________________________________________________________________

2005.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Idaho County: Clearwater Mountains: S of Lochsa River in vicinity of Eagle Mountain Trail Head 206, ca 21 air mi SW of Powell and ca 4 air mi WNW of Flytrap Butte.  Elev. 2640-2760 ft.
T36N R11E S30 SE1/4.  46.4276 N, 115.1358 W to 46.4284 N, 115.1382 W to 46.4303 N, 115.1335 W; WGS 84, , GPS reading.  
Riparian bench and toe slope inhabited by mixed coniferous forest dominated by Thuja plicata. Phenology: vegetative only. 

Crista L. O'Conner, 1794.  6/30/2016. 		RM 
_________________________________________________________________________

2006.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Clearwater County: Bitterroot Mountains: North Fork Clearwater River: North Fork Headwater Trail 373, spanning ca 6-9 air mi W of Montana. Collection extent includes from Trail Head to confluence of Meadow Creek, ca 3.5-4 mi, at confluence of Meadow Creek and North Fork Clearwater River.  Elev. 3700-4200 ft.
T41N R11E S28 NE1/4; also SW1/4 S21, NE1/4 S20, SW1/4 S17, NE1/4 S18, and E1/2 S7.  46.8746 N, 115.0743 W to 46.8882 N, 115.0982 W to 46.907 N, 115.1161 W; WGS 84, , GPS reading.  
Lush wetland in floodplain adjacent to confluence of creek and the upper river. Phenology: vegetative only. 

Crista L. O'Conner, 2412.  7/13/2016. 		RM 
_________________________________________________________________________

2007.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Clearwater County: Pot Mountain Ridge: Fly Hill and surrounding area, via Forest Road 720, ca 3.5 air mi NW of Hidden Creek Campground.  Elev. 5630-6325 ft.
T41N R10E S31 NE1/4; also NW1/4 S32 and SE1/4 S29.  46.8546 N, 115.2413 W to 46.8575 N, 115.2252 W to 46.8473 N, 115.2419 W; WGS 84, , GPS reading.  
Roadside and surrounding steep, exposed shoulder slope, ranging from southerly to easterly aspect. Phenology: vegetative only. 

Crista L. O'Conner, 2676.  7/20/2016. 		RM 
_________________________________________________________________________

2008.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Clearwater County: Bitterroot Mountains: Fish Lake Trail 419 and 419a, ca 8-11 air mi E of Osier Lookout and ca 2 air mi N of Wapito Point, Fish Lake.  Elev. 4600-5890 ft.
T40N R12E S11 South1/2; also SE1/4 S10, NW1/4 S15, NE1/4 S16, SW1/4 S9, NE1/4 S8, and S5.  46.8171 N, 114.9052 W to 46.8172 N, 114.9356 W to 46.8365 N, 114.9737 W; WGS 84, , GPS reading.  
Moist Engelmann spruce-subalpine fir forests and wetlands surrounding lake; mountain hemlock occasional. Phenology: vegetative only. 

Crista L. O'Conner, 2734.  7/22/2016. 		RM 
     with Jack Ader
_________________________________________________________________________

2009.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Latah County: Palouse Range: along Gold Creek between Forest Road 770 and Forest Road 4766, ca 6 air mi NE of Potlatch.  Elev. 2800-2860 ft.
T42N R4W S15 NE1/4.  46.9835 N, 116.8214 W; WGS 84, , GPS reading.  
Stream bottom in disturbed Tsuga/Thuja forest. Phenology: vegetative only. 

B. E. Nelson, 85026.  6/3/2016. 		RM 
     with Crista L O'Conner
_________________________________________________________________________

2010.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Clearwater County: Palouse Range: just S of Oviatt Creek on Forest Road 1447, ca 13 air mi E of Deary.  Elev. 3200 ft.
T40N R1E S26 NE1/4.  46.7833 N, 116.2906 W; WGS 84, , GPS reading.  
Sphagnum bog. Phenology: vegetative only. 

B. E. Nelson, 85147.  6/5/2016. 		RM 
     with Crista L O'Conner
_________________________________________________________________________

2011.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Clearwater County: Clearwater Mountains: Aquarius Campground along the North Fork Clearwater River, ca 25 air mi NNE of Pierce.  Elev. 1700 ft.
T40N R7E S5 NW1/4.  46.8403 N, 115.6155 W; WGS 84, , GPS reading.  
Riparian Thuja forest. Phenology: vegetative only. 

B. E. Nelson, 85169.  6/7/2016. 		RM 
     with Crista L O'Conner
_________________________________________________________________________

2012.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Clearwater County: Clearwater Mountains: along North Fork Clearwater River and Forest Road 250 in Black Canyon, at Elizabeth Mountain Trailhead, ca 33 air mi NE of Pierce.  Elev. 2800 ft.
T39N R10E S5 NW1/4.  46.7589 N, 115.2294 W; NAD 83, , GPS reading.  
Riparian Thuja forest. Phenology: vegetative only. 

B. E. Nelson, 85238.  6/8/2016. 		RM 
     with Crista L O'Conner
_________________________________________________________________________

2013.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Clearwater County: Clearwater Mountains: along North Fork Clearwater River and Forest Road 250 in Black Canyon, ca 1.5 air mi E of Flat Mountain, ca 32 air mi NE of Pierce  Elev. 2980 ft.
T39N R10E S6 SE1/4.  46.7448 N, 115.2402 W; NAD 83, , GPS reading.  
Roadside ditch and adjacent wet slope. Phenology: vegetative only. 

B. E. Nelson, 85275.  6/8/2016. 		RM 
     with Crista L O'Conner
_________________________________________________________________________

2014.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Clearwater County: Clearwater Mountains: along Forest Road 5220 above Pine Creek, ca 1 air mi SSW of Cabin Point, ca 16 air mi NE of Pierce.  Elev. 3950 ft.
T38N R8E S31 SE1/4.  46.5878 N, 115.4946 W; WGS 84, , GPS reading.  
Brushy roadside and ditch in mixed conifer forest. Phenology: vegetative only. 

B. E. Nelson, 85374.  6/10/2016. 		RM 
     with Crista L O'Conner
_________________________________________________________________________

2015.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Clearwater County: Clearwater Mountains: Johnson Gulch, near confluence of French Creek on Forest Road 250, ca 7.5 air mi NE of Pierce.  Elev. 3900 ft.
T37N R6E S24 SW1/4.  46.5312 N, 115.6515 W; WGS 84, , GPS reading.  
Spruce-fir forest at the edge of a Labrador tea-Sphagnum bog. Phenology: vegetative only. 

B. E. Nelson, 85389.  6/10/2016. 		RM 
     with Crista L O'Conner
_________________________________________________________________________

2016.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Clearwater County: Clearwater Mountains: Perkins Cedar Grove: Morris Creek drainage, ca 6 air mi NW of Elk River.  Elev. 4196 ft.
T41N R2E S33.  46.8541 N, 116.2166 W; WGS 84, , GPS reading.  
Climax Thuja plicata community on northerly-facing toe slope on bench above creek; Taxus brevifolia common in understory. Phenology: spores. 

Crista L. O'Conner, 3265.  6/1/2017. 		RM 
_________________________________________________________________________

2017.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Idaho County: Bitterroot Range: Hopeful Creek along Trail 35, ca 1.5 air mi SW of Pilot Knob.  Elev. 5727 ft.
T39N R14E S22 NE1/4.  46.7145 N, 114.6746 W; WGS 84, , GPS reading.  
Sphagnum bog with occasional Picea engelmannii and Abies lasiocarpa. Phenology: vegetative only. 

Crista L. O'Conner, 4101.  7/9/2017. 		RM 
     with Gavin Gardner
_________________________________________________________________________

2018.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Idaho County: Bitterroot Mountains: Colt Killed Creek and Trail 50, ca 4 air mi E of Powell Ranger Station.  Elev. 3617 ft.
T37N R15E S31 NW1/4.  46.5106 N, 114.6292 W; WGS 84, , GPS reading.  
Riparian terrace typified by Thuja plicata/Athyrium filix-femina habitat type. Phenology: vegetative only. 

Crista L. O'Conner, 4156.  7/11/2017. 		RM 
_________________________________________________________________________

2019.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Idaho County: Clearwater Mountains: Sneakfoot Meadows Research Natural Area: SE of Trail 79 and ca 5 air mi SE of Powell Ranger Station.  Elev. 5919 ft.
T8N R25W S24 N1/2.  46.4503 N, 114.6558 W; WGS 84, , GPS reading.  
Mesic to moist meadow, with low-lying areas of saturation; sinuating channel with considerably deep pools common throughout network of stream. Phenology: vegetative only. 

Crista L. O'Conner, 4671.  7/26/2017. 		RM 
_________________________________________________________________________

2020.  Equisetum arvense L. 				Equisetaceae

U.S.A., Idaho, Clearwater County: Clearwater Mountains: Skull Creek along Forest Road 252, just S of Lost Ridge Trailhead and ca 7 1/4 air mi ENE Canyon Work Center.  Elev. 2284 ft.
T41N R8E S34.  46.8571 N, 115.4354 W; WGS 84, , GPS reading.  
Along riparian and road, beneath canopy of Alnus rubra and Thuja plicata. Phenology: vegetative only. 

Crista L. O'Conner, 4995.  8/5/2017. 		RM 
     with Gavin Gardner
_________________________________________________________________________

2021.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Teller County: Mueller Ranch, 0.3 mi W of Dome Rock along Four Mile Creek, 8 mi SW of Divide.  Elev. 2590 m.
Phenology: spores. 

Sam Shushan, s.n..  6/5/1980. 		RM 910235
_________________________________________________________________________

2022.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Ferris Mountains: southeast end of range, ca 17.4 air mi N of Independence Rock.  Elev. 7200 ft.
T26N R86W S7.  
Sagebrush-grassland; red sandy soil; Artemisia nova common. Phenology: vegetative only. 

Amy J. Roderick, 7855.  8/2/1998. 		 
_________________________________________________________________________

2023.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Uinta County: Uinta Mountains: Uinta-Wasatch-Cache National Forest: Sage Creek.  Elev. 8880 ft.
zone 12T, 557252E, 4543418N; NAD 83, Specimen Label.  
In a recently drained beaver pond. Early seral species. Phenology: vegetative only. 

Sherel Goodrich, 29111.  9/16/2016. 		RM 957068	Barcode: RM0209031
     with A. Cameron
_________________________________________________________________________

2024.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Lincoln County: Bridger-Teton National Forest: Hams Fork.  Elev. 7800 ft.
42.2132 N, 110.7319 W; unknown, , Specimen Label.  
Roadside. Phenology: vegetative only. 

Sherel Goodrich, 29047.  7/7/2016. 		RM 957076	Barcode: RM0209219
_________________________________________________________________________

2025.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Lincoln County: Bridger-Teton National Forest: Hams Fork.  Elev. 7650 ft.
42.1717 N, 110.7281 W; unknown, , Specimen Label.  
Riparian community. Phenology: vegetative only. 

Sherel Goodrich, 29051.  7/8/2016. 		RM 957080	Barcode: RM0209223
_________________________________________________________________________

2026.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Sierra Madre: ca 7 mi WSW of Encampment.  Elev. 8500 ft.
41 11.6' N, 106 55.1' W; unknown, , GPS reading.  
Rocky bank with Rubus and Sorbus Phenology: vegetative only. 

Robert D. Dorn, 12122.  6/22/2018. 		RM 958367	Barcode: RM0216939
_________________________________________________________________________

2027.  Equisetum arvense L. 				Equisetaceae

U.S.A., Utah, Summit County: North Slope Uinta Mountains: Wasatch National Forest: ca 24 air mi SE of Evanston; 7.5 mi E on Forest Road 058 on south side of the road.  Elev. 8760-8860 ft.
T2N R11E S7 N1/2.  
Willow thickets. Phenology: vegetative only. 

C. H. Refsdal, 4992.  7/8/1995. 		 
     with B. E. Nelson
_________________________________________________________________________

2028.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Teton County: Teton National Forest: Redmund Creek.  Elev. 7500 ft.
T42N R114W S11.  43.6196 N, 110.4967 W; uncertainty 1 mi..  
Level slope; wet soil. Phenology: spores. 

H. B. Maris, 92.  6/20/1913. 		USFS 409180	Barcode: USFS0071448
_________________________________________________________________________

2029.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Uinta County: North Slope Uinta Mountains: Wasatch National Forest: Gilbert Creek, ca 17 air mi SSE of Mountain View; 0.4 mi E from Forest Road 075.  Elev. 8800-8880 ft.
T12N R115W S8.  41.0337 N, 110.4006 W; uncertainty 1 mi..  
Aspen/lodgepole forest, exposed west aspect, gravelly soils. Phenology: spores. 

C. H. Refsdal, 5993.  7/25/1995. 		RM 637110	Barcode: RM0125463
_________________________________________________________________________

2030.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Seminoe Mountains: Morgan and Marking Pen creeks on County Road 351, ca 2 air mi W of Seminoe Dam.  Elev. 6740-6800 ft.
T25N R85W S1 SE1/4.  42.1663 N, 106.9486 W.  
Along creek; Salix and Betula common. Phenology: vegetative only. 

Amy J. Roderick, 8107.  8/12/1998. 		RM 666250	Barcode: RM0125558
_________________________________________________________________________

2031.  Equisetum arvense L. 				Equisetaceae

U.S.A., Utah, Daggett County: North Slope Uinta Mountains: Ashley National Forest: Burnt Creek, ca 10.8 air mi SSE of Manila; south side of Utah Hwy 44.  Elev. 7900-8000 ft.
T1N R20E S9.  
Creekside, conifer forest. Phenology: vegetative only. 

C. H. Refsdal, 7602.  8/21/1995. 		 
     with S. Goodrich
_________________________________________________________________________

2032.  Equisetum arvense L. 				Equisetaceae

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Rattlesnake Hills: Sixmile Creek W of Poison Spider Road, ca 18.5 air mi SW of Waltman.  Elev. 6660-6800 ft.
T33N R88W S13.  42.8292 N, 107.3358 W.  
Along creek; birch, chokecherry, willow, limber pine, and snowberry common. Phenology: vegetative only. 

Amy J. Roderick, 8218.  8/15/1998. 		RM 666249	Barcode: RM0125559
_________________________________________________________________________

2033.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Jefferson County: East-central Colorado: Mosquito Range to Plains: Rampart Range: Cheesman Mountain off County Road 126 along the Gill Trail, the South Platte River, and west-facing and north-facing slopes of the mountain, ca 2.5 air mi SW of Deckers.  Elev. 6480-7933 ft.
T9S R70W S30.  39.2366 N, 105.2689 W; uncertainty 1 mi..  
On the banks the river. Phenology: vegetative only. 

Timothy W. Chumley, 1060.  6/21/1995. 		 
_________________________________________________________________________

2034.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Douglas County: East-central Colorado: Mosquito Range to Plains: Rampart Range: off County Road 67 at old logging road, ca 2.5 road mi from the intersection with South Platte Road; ca 4.2 air mi NE of Deckers.  Elev. 6880-7640 ft.
T9S R69W S6; also S7.  39.2945 N, 105.1571 W; uncertainty 1 mi..  
Along the banks of the creek and adjacent open areas. Phenology: vegetative only. 

Timothy W. Chumley, 1064.  6/22/1995. 		 
_________________________________________________________________________

2035.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Park County: East-central Colorado: Mosquito Range to Plains: off Blue Mountain or Wagon Tongue or County Road 98 or Forest Road 239 at intersection with Forest Road 240 at Blue Mountain and Fish Creek.  Elev. 8400-9230 ft.
T13S R71W S17 NW1/2; also SC1/2 S8, NE1/4 S18.  38.9189 N, 105.36 W; uncertainty 1 mi..  
On the banks of the stream. Phenology: vegetative only. 

Timothy W. Chumley, 1153.  6/23/1995. 		 
_________________________________________________________________________

2036.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Fremont County: East-central Colorado: Mosquito Range to Plains: Arkansas River Drainage: along County Road 12, ca 1 air mi SW of Stoney Face Mountain, ca 15.5 air mi NNW of Cotopaxi.  Elev. 9950-10800 ft.
T50N R11E S22 NW1/4; also NE1/4 S23.  38.5729 N, 105.7446 W; uncertainty 1 mi..  
In wet run-off from a spring-fed stock tank. Phenology: vegetative only. 

Timothy W. Chumley, 1891.  7/13/1995. 		 
_________________________________________________________________________

2037.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Jefferson County: East-central Colorado: Mosquito Range to Plains: Lost Creek Wilderness: along Wigwam Creek and adjacent slopes, loosely following the Wigwam or Forest Trail 609, ca 7 air mi W of Deckers.  Elev. 8120-9200 ft.
T9S R71W S18 South 1/2; also NE1/4 S19 and S20.  39.2656 N, 105.3807 W; uncertainty 1 mi..  
Growing in moss along the creek. Phenology: vegetative only. 

Timothy W. Chumley, 2624.  8/4/1995. 		 
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2038.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Park County: East-central Colorado: Mosquito Range to Plains: Tarryall Mountains: from a seep at intersection of Forest Road 211 and Forest Road 540 to Corral Creek and surrounding uplands, ca 10 air mi N of town of Lake George.  Elev. 7200-8539 ft.
T11S R71W S5 N1/2; also NW1/4 S4.  39.1215 N, 105.36 W; uncertainty 1 mi..  
On the banks of the stream and broad, open wetlands. Phenology: vegetative only. 

Timothy W. Chumley, 2786.  8/6/1995. 		 
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2039.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Douglas County: East-central Colorado: Mosquito Range to Plains: Rampart Range: along Jackson Creek, ca 1 air mi N of intersection of Forest Road 300 or Rampart Range Road and Forest Road 507 or Jackson Creek Road, ca 17 air mi N of Woodland Park.  Elev. 8200-8600 ft.
T9S R69W S22 SE1/4.  39.2511 N, 105.1012 W; uncertainty 1 mi..  
On the banks of the stream. Phenology: vegetative only. 

Timothy W. Chumley, 3004.  8/8/1995. 		 
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2040.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Park County: East-central Colorado: Mosquito Range to Plains: Platte River Mountains: Hall Valley along the North Fork of the South Platte River and adjacent slopes, ca 4.7 air mi NW of Webster.  Elev. 9200-11120 ft.
T6S R75W S31 NE1/4; also South 1/2 S30, EC1/4 S32; also WC1/4 S33.  39.4841 N, 105.8204 W; uncertainty 1 mi..  
Along the banks of the river. Phenology: vegetative only. 

Timothy W. Chumley, 3279.  8/18/1995. 		 
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2041.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Douglas County: East-central Colorado: Mosquito Range to Plains: Rampart Range: along West Creek and adjacent slopes to W, off Colo Hwy 67 ca 4.5 air mi SE of Deckers.  Elev. 6860-7310 ft.
T10S R70W S12 NW1/4; also SW1/4 S1.  39.1932 N, 105.1758 W.  zone 13, 484827E, 4333154N.  
Along the banks of the creek. Phenology: spores. 

Timothy W. Chumley, 3314.  5/16/1996. 		 
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2042.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Park County: East-central Colorado: Mosquito Range to Plains: Platte River Mountains: at U.S.FS Hall Valley Campground along the North Fork of the South Platte River, ca 4.75 air mi WNW of Webster; ca 7.5 air mi N of Jefferson.  Elev. 9840-10000 ft.
T6S R75W S32.  39.4841 N, 105.8019 W; uncertainty 1 mi..  zone 13.  
Along the banks of the river in spruce-fir, with occasional lodgepole pine. Phenology: spores. 

Timothy W. Chumley, 3360.  5/29/1996. 		 
     with Cassie Dunst
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2043.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Park County: East-central Colorado: Mosquito Range to Plains: Thirtynine Mile Volcanic Range: Cross Creek: off Forest Road 270 and 256 on slopes above and floodplain of Cross Creek, ca 8.5 air mi NW of Guffey.  Elev. 9600-10800 ft.
T14S R73W S6 E1/2; also NW1/4 S7.  38.8625 N, 105.5967 W.  zone 13, 447595E, 4301519N.  
On moist banks and flats along the creek in open stands of aspen with occasionally dense willows or spruce. Phenology: spores. 

Timothy W. Chumley, 3535.  6/2/1996. 		 
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2044.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Park County: East-central Colorado: Mosquito Range to Plains: South Park: Teter-Michigan Creek State Wildlife Area: along Michigan Creek and surrounding park, ca 3 air mi W of Jefferson.  Elev. 9600-9700 ft.
T8S R76W S2 E1/2; also N1/2 S11.  39.3829 N, 105.8575 W.  zone 13, 427051E, 4358915N.  
On banks of a swift stream, often bordered by dense willows, and adjacent wet flats with Iris missouriensis. Phenology: spores. 

Timothy W. Chumley, 3718.  6/16/1996. 		 
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2045.  Equisetum arvense L. 				Equisetaceae

U.S.A., Colorado, Fremont County: East-central Colorado: Mosquito Range to Plains: Arkansas River Drainage: Gribbles Park: in hills and flat grassland at W end of park, at Badger Creek off County Road 2, ca 14 air mi NE of Salida.  Elev. 8850-9400 ft.
T51N R11E S18; also S19; also T51N R10E E1/2 S12.  38.6717 N, 105.7988 W.  zone 13, 430333E, 4280011N.  
Along the banks of the stream. Phenology: vegetative only. 

Timothy W. Chumley, 4120.  6/26/1996. 		 
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