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

Database Search Results

48 matching records found (of 48).
Search query: Genus begins with Zigadenus, Species begins with venenosus, Subtaxon begins with venenosus, (search polygon not defined)
Sorted by: Scientific Name

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1.  Zigadenus venenosus S. Watson var. venenosus  				Melanthiaceae

U.S.A., Montana, Carbon County: Ridge 4 mi NE of Fromberg; 1.5 mi E of U.S. Hwy 310.  Elev. 3900-4000 ft.
T4S R23E S36.  45.4433 N, 108.8324 W; uncertainty 1 mi..  
Disturbed sagebrush-grassland with Agropyron spicatum, Bromus tectorum, and Alyssum alyssoides. Phenology: flowering & fruiting. 

Erwin F. Evert, 32806.  6/10/1997. 		RM 818202	Barcode: RM0021109
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2.  Zigadenus venenosus S. Watson var. venenosus  				Melanthiaceae

U.S.A., Colorado, San Miguel County: San Miguel and Lower Dolores River Drainages: San Miguel River Drainage: northwest slope of Lone Cone.  Elev. 11400 ft.
T42N R13W S23.  37.8864 N, 108.2693 W.  
Tundra near base of scree slopes with Rubus and Aquilegia. Phenology: flowering. 

Margarette J. Lyon, 6082.  7/15/1994. 		 
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3.  Zigadenus venenosus S. Watson var. venenosus  				Melanthiaceae

U.S.A., Wyoming, Fremont County: Owl Creek/Bridger Mountains: Bridger Mountains: southeast end of Copper Mountain, ca 9 air mi NW of Lysite, ca 40.5 air mi NW of Riverton.  Elev. 5700-6250 ft.
T40N R91W S33.  43.3919 N, 107.7639 W; uncertainty 1 mi..  
Sandy clay flats on sandstone ridge. 

B. E. Nelson, 20587.  6/4/1991. 		RM 
     with Robin Jones
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4.  Zigadenus venenosus S. Watson var. venenosus  				Melanthiaceae

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: Padlock Rim, along a tributary of South Fork Coal Draw, ca 12 air mi NW of Thermopolis.  Elev. 5000-5340 ft.
T44N R96W S31.  43.7378 N, 108.4252 W; uncertainty 1 mi..  
Sandy slopes, flats, and rough breaks with juniper and limber pine. 

B. E. Nelson, 20645.  6/5/1991. 		RM 
     with Robin Jones
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5.  Zigadenus venenosus S. Watson var. venenosus  				Melanthiaceae

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: between Kester Coulee and Prospect Creek, SW of Ilo Ridge, ca 5 air mi SSE of town site of Grass Creek, ca 25-26 air mi NW of Thermopolis.  Elev. 5450-5520 ft.
T45N R98W S10.  43.88194 N, 108.59861 W; uncertainty 1 mi..  
Disturbed and cactus patches in rolling sagebrush-grassland. 

B. E. Nelson, 20741.  6/6/1991. 		RM 
     with Robin Jones
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6.  Zigadenus venenosus S. Watson var. venenosus  				Melanthiaceae

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: above Red Canyon across from Minnesela Slope, ca 4.5 air mi SW of Thermopolis.  Elev. 5400-5500 ft.
T42N R95W S17.  43.6081 N, 108.2855 W; uncertainty 1 mi..  
Old burn area in sagebrush-grassland with no current sagebrush regeneration. 

B. E. Nelson, 20856.  6/8/1991. 		RM 
     with Robin Jones
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7.  Zigadenus venenosus S. Watson var. venenosus  				Melanthiaceae

U.S.A., Oregon, Umatilla County: Umatilla National Forest and Vicinity: Forest roads 5916 and 37, ca 4 mi N and 13 mi E of Ukiah.  Elev. 4600-4680 ft.
T4S R33E S24; also S25.  45 12' 0.34" N, 118 40' 1.3" W to 45 11' 59" N, 118 40' 19.9" W to 45 11' 46.3" N, 118 39' 57.5" W; GPS Reading.  zone 11, 5006498E, 368664N; GPS Reading.  
Basalt with fine powdery soil in open mixed conifer, ponderosa pine dominant and Lomatium, Talinum herbaceous dominants; slope <10; aspect south. Phenology: flowering. 

Heather Bradtke, 4872.  5/30/2002. 		RM 
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8.  Zigadenus venenosus S. Watson var. venenosus  				Melanthiaceae

U.S.A., Oregon, Umatilla County: Umatilla National Forest and Vicinity: ca 6 mi S and 6 mi E of Ukiah.  Elev. 5025 ft.
T6S R32E S13.  45 3' 4.1" N, 118 48' 36.5" W; GPS Reading.  zone 11, 4990225E, 357464N; GPS Reading.  
Open mixed conifer, ponderosa pine, Larix, juniper and grand fir on a slope near the road with Lomatium in basalt rock and fine powdery soil; slope 15; aspect northeast Phenology: flowering. 

Heather Bradtke, 4953.  5/30/2002. 		RM 
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9.  Zigadenus venenosus S. Watson var. venenosus  				Melanthiaceae

U.S.A., Oregon, Umatilla County: Umatilla National Forest and Vicinity: Horseshoe Ridge, ca 5 mi NE of Meacham.  Elev. 4000-4500 ft.
T1N R36E S33; also S32.  45 31' 28" N, 118 19' 46.6" W; GPS Reading.  zone 11, 5042071E, 396168N; GPS Reading.  
Open area with Wyethia and Balsamorhiza; shallow soil over basalt; slope 0-10; aspect ridgetop and easterly. Phenology: flowering. 

Heather Bradtke, 5102.  6/1/2002. 		RM 
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10.  Zigadenus venenosus S. Watson var. venenosus  				Melanthiaceae

U.S.A., Wyoming, Fremont County: Owl Creek/Bridger Mountains: Bridger Mountains: southwest end of Lysite Mountain, ca 11 air mi N of Lost Cabin.  Elev. 6300-6900 ft.
T40N R90W S15.  43.4361 N, 107.6231 W.  
Alternating strata of limestone and sandstone outcrops with scattered juniper. 

Ronald L. Hartman, 29187.  6/27/1991. 		RM 
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11.  Zigadenus venenosus S. Watson var. venenosus  				Melanthiaceae

U.S.A., Wyoming, Hot Springs County: Owl Creek/Bridger Mountains: Bridger Mountains: Red Canyon, Buffalo Creek Road, ca 14 air mi ENE of Thermopolis.  Elev. 5500-5600 ft.
T42N R92W S30.  43.5797 N, 107.9469 W.  
Red beds; grassy slopes and outcrops. 

Ronald L. Hartman, 29396.  6/28/1991. 		RM 
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12.  Zigadenus venenosus S. Watson var. venenosus  				Melanthiaceae

U.S.A., Wyoming, Fremont County: Owl Creek/Bridger Mountains: Bridger Mountains: Birdseye Pass to summit to west.  Elev. 7000-7300 ft.
T40N R94W S11.  43.45 N, 108.0828 W.  
Shale slopes below, limestone outcrops above with sagebrush predominating. 

Ronald L. Hartman, 29718.  6/30/1991. 		RM 
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13.  Zigadenus venenosus S. Watson var. venenosus  				Melanthiaceae

U.S.A., Washington, Garfield County: Umatilla National Forest and Vicinity: Devils Tailbone Ridge, ca 2 mi S and 15 mi W of Anatone.  Elev. 5400-5500 ft.
T8N R43E S17; also S20.  46 9' 46" N, 117 27' 15" W; GPS Reading.  zone 11, 5112241E, 464937N; GPS Reading.  
Grass dominated ridgetop. Phenology: fruiting. 

Heather Bradtke, 9192.  7/22/2002. 		RM 
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14.  Zigadenus venenosus S. Watson var. venenosus  				Melanthiaceae

U.S.A., Washington, Asotin County: Umatilla National Forest and Vicinity: Round Prairie on Smoothing Iron Ridge, ca 3 mi N and 12 W of Anatone.  Elev. 4800-5000 ft.
T8N R43E S10; also S15.  46 10' 36" N, 117 24' 38" W; GPS Reading.  zone 11, 5113766E, 468311N; GPS Reading.  
Prairie, sagebrush and grass dominant in brown, powdery to rocky soil. Phenology: flowering. 

Heather Bradtke, 9363.  7/25/2002. 		RM 
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15.  Zigadenus venenosus S. Watson var. venenosus  				Melanthiaceae

U.S.A., Idaho, Lemhi County: Northern Salmon River Mountains: near spring on a bench along Little Sheepeater Creek, 2.3 air mi WSW of Shoup.  Elev. 4498 ft.
T24N R18E S34.  
Dominant population in xeric soil within a ponderosa pine woodland, 24 degree slope, SE  aspect, peraluminous granite geology. Phenology: flowering. 

Joshua J. Irwin, 8352.  5/28/2012. 		RM 
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16.  Zigadenus venenosus S. Watson var. venenosus  				Melanthiaceae

U.S.A., Idaho, Lemhi County: Northern Salmon River Mountains: foot of the ridge just SSE of the confluence of McConn and Indian Creeks, 10.2 air mi NW of the town of North Fork.  Elev. 4866 ft.
T25N R20E S18.  
Dominant population in mesic soil within grassland vegetation, 24 degree slope, N  aspect, quartzite geology. Phenology: flowering. 

Joshua J. Irwin, 8398.  6/2/2012. 		RM 
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17.  Zigadenus venenosus S. Watson var. venenosus  				Melanthiaceae

U.S.A., Idaho, Lemhi County: Challis National Forest: Lemhi Range: Cow Creek Canyon at the confluence of the North Fork Cow Creek, 5.5 air mi NE of Ellis.  Elev. 5311 ft.
T16N R21E S10.  44.73925 N, -113.95766 W; NAD83, uncertainty 10 m., Field Notes.  
Well developed soil in mesic grassland vegetation; 20° slope, N aspect; volcaniclastic geology. 26-75 individuals apparent. Phenology: fruiting. 

Joshua J. Irwin, 1071.  6/17/2010. 		RM 
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18.  Zigadenus venenosus S. Watson var. venenosus  				Melanthiaceae

U.S.A., Idaho, Lemhi County: Salmon National Forest: Lemhi Range: slopes along Alder Creek, 13.3 air mi WNW of Leadore.  Elev. 7164 ft.
T16N R24E S8.  44.72488 N, -113.62172 W; NAD83, uncertainty 10 m., Field Notes.  
Well developed soil in mesic Douglas-fir vegetation; 14° slope, NNW aspect; alluvial geology. 1-25 individuals apparent. Phenology: flowering & fruiting. 

Joshua J. Irwin, 2817.  7/26/2010. 		RM 
     with Craig Scott
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19.  Zigadenus venenosus S. Watson var. venenosus  				Melanthiaceae

U.S.A., Idaho, Lemhi County: Salmon River between Challis and Salmon: lower Briney Creek, 14.7 air mi S of Salmon.  Elev. 4507 ft.
T19N R21E S23.  44.96662 N, -113.94842 W; NAD83, uncertainty 10 m., Field Notes.  
Well developed soil in mesic grassland vegetation; 18° slope, NNW aspect; quartzite geology. 26-75 individuals apparent. Phenology: flowering. 

Joshua J. Irwin, 593.  6/3/2010. 		RM 
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20.  Zigadenus venenosus S. Watson var. venenosus  				Melanthiaceae

U.S.A., Idaho, Lemhi County: Salmon National Forest: Salmon River Mountains: ridge slopes dividing the confluence of Iron and North Fork Iron creeks, 16.2 air mi N of Ellis.  Elev. 5989 ft.
T18N R20E S4.  44.92171 N, -114.11233 W; NAD83, uncertainty 10 m., Field Notes.  
Sandy or gravelly soil in mesic grassland vegetation; 12° slope, WSW aspect; siltite/metasandstone geology. 26-75 individuals apparent. Phenology: flowering. 

Joshua J. Irwin, 1140.  6/17/2010. 		RM 
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21.  Zigadenus venenosus S. Watson var. venenosus  				Melanthiaceae

U.S.A., Idaho, Lemhi County: Salmon National Forest: Lemhi Range: foothill slopes at the base of K Mountain, just S of Kadletz Creek, 13 air mi SE of Salmon.  Elev. 6289 ft.
T20N R23E S33.  45.02102 N, -113.74475 W; NAD83, uncertainty 10 m., Field Notes.  
Sandy or gravelly soil in mesic shrub-steppe vegetation; 15° slope, SSE aspect; andesitoid-rhyolitoid geology. 26-75 individuals apparent. Phenology: flowering. 

Joshua J. Irwin, 1187.  6/18/2010. 		RM 
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22.  Zigadenus venenosus S. Watson var. venenosus  				Melanthiaceae

U.S.A., Idaho, Lemhi County: Salmon National Forest: Salmon River Mountains: Trapper Flat, 14.8 air mi S of Shoup.  Elev. 4387 ft.
T21N R18E S12.  45.16174 N, -114.28442 W; NAD83, uncertainty 10 m., Field Notes.  
Well developed soil in xeric woody riparian vegetation; 3° slope, WSW aspect; metamorphosed sedimentary geology. 76-150 individuals apparent. Phenology: flowering. 

Joshua J. Irwin, 667.  6/5/2010. 		RM 
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23.  Zigadenus venenosus S. Watson var. venenosus  				Melanthiaceae

U.S.A., Idaho, Lemhi County: Salmon National Forest: Foothills between Salmon and North Fork: Wallace Creek just E of Diamond Creek Road, 6.2 air mi N of Salmon.  Elev. 4247 ft.
T22N R21E S1.  45.26482 N, -113.9179 W; NAD83, uncertainty 10 m., Field Notes.  
Well developed soil in mesic grassland vegetation; 28° slope, N aspect; tuffaceous clastic geology. 1-25 individuals apparent. Phenology: flowering. 

Joshua J. Irwin, 332.  5/29/2010. 		RM 
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24.  Zigadenus venenosus S. Watson var. venenosus  				Melanthiaceae

U.S.A., Idaho, Lemhi County: Salmon National Forest: Salmon River Mountains: foothill slopes on the west side of Panther Creek ca 0.3 mi upstream of Trail Creek, 9.1 air mi SSW of Shoup.  Elev. 3698 ft.
T22N R18E S11.  45.24712 N, -114.31962 W; NAD83, uncertainty 10 m., Field Notes.  
Well developed soil in mesic grassland vegetation; 27° slope, ENE aspect; granite geology. 26-75 individuals apparent. Phenology: flowering. 

Joshua J. Irwin, 280.  5/21/2010. 		RM 
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25.  Zigadenus venenosus S. Watson var. venenosus  				Melanthiaceae

U.S.A., Idaho, Lemhi County: Salmon National Forest: Salmon River Gorge: between Panther and Cove creeks, 8 air mi WSW of Shoup.  Elev. 3183 ft.
T23N R17E S13.  45.32194 N, -114.42194 W; NAD83, uncertainty 10 m., Field Notes.  
Sandy or gravelly soil in mesic grassland vegetation; 10° slope, NNE aspect; arenite geology. 26-75 individuals apparent. Phenology: flowering. 

Joshua J. Irwin, 202.  5/21/2010. 		RM 
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26.  Zigadenus venenosus S. Watson var. venenosus  				Melanthiaceae

U.S.A., Idaho, Lemhi County: Salmon National Forest: Salmon River Gorge: ridge slopes on the east side of lower Cove Creek, 7.6 air mi WSW of Shoup.  Elev. 4252 ft.
T23N R17E S12.  45.33167 N, -114.42 W; NAD83, uncertainty 10 m., Field Notes.  
15° slope, S aspect; biotite gneiss geology. Phenology: flowering. 

Joshua J. Irwin, 107.  5/17/2010. 		RM 
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27.  Zigadenus venenosus S. Watson var. venenosus  				Melanthiaceae

U.S.A., Idaho, Lemhi County: Salmon National Forest: Salmon River Gorge: Big Sheepeater Creek confluence, 3.7 air mi SW of Shoup.  Elev. 3293 ft.
T23N R18E S10.  45.34199 N, -114.33692 W; NAD83, uncertainty 10 m., Field Notes.  
Well developed soil in xeric ponderosa vegetation; 23° slope, E aspect; granite geology. 26-75 individuals apparent. Phenology: flowering. 

Joshua J. Irwin, 526.  5/30/2010. 		RM 
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28.  Zigadenus venenosus S. Watson var. venenosus  				Melanthiaceae

U.S.A., Idaho, Lemhi County: Salmon National Forest: Salmon River Gorge: ridge dividing lower Ebenezer and lower Colson creeks, 12.9 air mi WSW of Shoup.  Elev. 3953 ft.
T23N R17E S19.  45.30797 N, -114.52544 W; NAD83, uncertainty 10 m., Field Notes.  
Well developed soil in xeric grassland vegetation; 10° slope, WSW aspect; biotite gneiss geology. 76-150 individuals apparent. Phenology: flowering. 

Joshua J. Irwin, 442.  5/30/2010. 		RM 
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29.  Zigadenus venenosus S. Watson var. venenosus  				Melanthiaceae

U.S.A., Idaho, Lemhi County: Salmon National Forest: Salmon River Mountains: foothill slopes N of East Fork Owl Creek near Point 4962, 8.2 air mi W of Shoup.  Elev. 5161 ft.
T24N R17E S35.  45.36345 N, -114.44503 W; NAD83, uncertainty 10 m., Field Notes.  
Well developed soil in mesic grassland vegetation; 18° slope, SSW aspect; granite geology. 26-75 individuals apparent. Phenology: flowering. 

Joshua J. Irwin, 690.  6/6/2010. 		RM 
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30.  Zigadenus venenosus S. Watson var. venenosus  				Melanthiaceae

U.S.A., Idaho, Lemhi County: Salmon National Forest: Salmon River Gorge: ridgetop above the south side of Sage Creek, 5.6 air mi W of North Fork.  Elev. 4671 ft.
T24N R20E S21.  45.39561 N, -114.10718 W; NAD83, uncertainty 10 m., Field Notes.  
Well developed soil in mesic grassland vegetation; 23° slope, SE aspect; granite geology. 26-75 individuals apparent. Phenology: flowering. 

Joshua J. Irwin, 847.  6/10/2010. 		RM 
     with Wendy Irwin
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31.  Zigadenus venenosus S. Watson var. venenosus  				Melanthiaceae

U.S.A., Idaho, Lemhi County: Salmon National Forest: Salmon River Gorge: Eagles Nest, 1.1 air mi SSW of Shoup.  Elev. 4776 ft.
T24N R18E S36.  45.36237 N, -114.28837 W; NAD83, uncertainty 10 m., Field Notes.  
Well developed soil in mesic mountain mahogany vegetation; 27° slope, ENE aspect; granite geology. 26-75 individuals apparent. Phenology: flowering. 

Joshua J. Irwin, 487.  5/31/2010. 		RM 
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32.  Zigadenus venenosus S. Watson var. venenosus  				Melanthiaceae

U.S.A., Idaho, Lemhi County: Salmon National Forest: Salmon River Gorge: ridgetop on the north side of the Bear Basin Creek confluence, 18.8 air mi W of Shoup.  Elev. 4060 ft.
T23N R15E S13.  45.33994 N, -114.65946 W; NAD83, uncertainty 10 m., Field Notes.  
Well developed soil in mesic mountain mahogany vegetation; 32° slope, NNW aspect; phyllite geology. 76-150 individuals apparent. Phenology: flowering. 

Joshua J. Irwin, 427.  5/29/2010. 		RM 
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33.  Zigadenus venenosus S. Watson var. venenosus  				Melanthiaceae

U.S.A., Idaho, Lemhi County: Salmon National Forest: Bitterroot Range: Forest Road 30 along Salmon River, then NW 1.3 air mi along Squaw Creek, 0.7-1.2 air mi NW of Indianola Forest Service Station.  Elev. 3701-4603 ft.
T4S R23E S13.  45.4125 N, 114.1825 W to 45.4034 N, 114.1794 W; NAD 83, , GPS reading.  
Grassy slopes, open or under ponderosa pine. Phenology: flowering. 

Ronald L. Hartman, 89686.  5/22/2010. 		RM 
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34.  Zigadenus venenosus S. Watson var. venenosus  				Melanthiaceae

U.S.A., Idaho, Lemhi County: Salmon National Forest: Salmon River Mountains: Jesse Creek Forest Service Facility and along Jesse Creek, ca 2-3 air mi W of Salmon at the intersection of Ida Hwy 28 and U.S. Hwy 93.  Elev. 4460-5410 ft.
T21N R21E S2; also S3.  45.1806 N, 113.9338 W to 45.1826 N, 113.951 W; NAD 83, , GPS reading.  
Grassy slope and hills on south and east exposures and along creek. Phenology: flowering. 

Ronald L. Hartman, 89778.  5/23/2010. 		RM 
     with Joshua J. Irwin
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35.  Zigadenus venenosus S. Watson var. venenosus  				Melanthiaceae

U.S.A., Idaho, Lemhi County: Salmon River Mountains: 2.5 mi W of Shoup Bridge, 6.5 mi SSW of the intersection of Ida Hwy 28 and U.S. Hwy 93 in Salmon.  Elev. 3980-5172 ft.
T20N R21E S2 South1/2; also NW1/4 S11.  45.0817 N, 113.9437 W to 45.0903 N, 113.9408 W to 45.0895 N, 113.9524 W to 45.0817 N, 113.9437 W; NAD 83, , GPS reading.  
Steep slope to rock outcrop then rolling hills with grasses and sagebrush. Phenology: flowering. 

Ronald L. Hartman, 89800.  5/25/2010. 		RM 
     with Joshua J. Irwin
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36.  Zigadenus venenosus S. Watson var. venenosus  				Melanthiaceae

U.S.A., Idaho, Lemhi County: Salmon River Gorge: Kriley Creek, ca 12.5 air mi N of Salmon.  Elev. 3800-4000 ft.
T5S R19W S1 NE1/4.  45.3554 N, 113.9245 W to 45.3574 N, 113.9168 W; NAD 83, , GPS reading.  
Valley bottom and adjacent steep northwest exposure. Phenology: flowering. 

Ronald L. Hartman, 89945.  5/26/2010. 		RM 
     with Joshua J. Irwin
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37.  Zigadenus venenosus S. Watson var. venenosus  				Melanthiaceae

U.S.A., Idaho, Lemhi County: Bitterroot Range: Badger Spring Gulch from the edge of Big Flat, ca 8 air mi N of Salmon.  Elev. 3890-4265 ft.
T6S R18W S28; also N1/2 S33.  45.2871 N, 113.8742 W to 45.2965 N, 113.8631 W; NAD 83, , GPS reading.  
Breaks with loose sediments of sand and clay, sagebrush grasslands below to scattered ponderosa pine above. Phenology: flowering. 

Ronald L. Hartman, 90015.  5/26/2010. 		RM 
     with Joshua J. Irwin
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38.  Zigadenus venenosus S. Watson var. venenosus  				Melanthiaceae

U.S.A., Idaho, Lemhi County: Beaverhead Mountains: above Pattee Creek on Forest Road 185, 7.5 air mi NE of Tendoy and 0.3 road mi downhill from the National Forest boundary.  Elev. 7247 ft.
T20N R25E S25 NE1/4 NE1/4.  45.0386 N, 113.5527 W; NAD 83, , GPS reading.  
Tall forb community on slope with scattered Douglas fir, little different on ridge. Phenology: fruiting. 

Ronald L. Hartman, 90046.  7/25/2010. 		RM 
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39.  Zigadenus venenosus S. Watson var. venenosus  				Melanthiaceae

U.S.A., Idaho, Lemhi County: Salmon National Forest: Bitterroot Range: Salmon Ridge dividing Spring and East Fork Spring creeks on Spring Creek Road (Forest Road 038).  Elev. 6456 ft.
T24N R18E S1 E1/4.  45.439 N, 114.2869 W; NAD 83, , GPS reading.  
Cut-over ridge and rock outcrop. Phenology: fruiting. 

Ronald L. Hartman, 90667.  7/30/2010. 		RM 
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40.  Zigadenus venenosus S. Watson var. venenosus  				Melanthiaceae

U.S.A., Idaho, Butte County: South end of Arco Hills, ca 6.5-7 air mi ESE of Arco.  Elev. 5296-5560 ft.
T3N R28E S6 N1/2.  43 37.199' N, 113 9.631' W to 43 37.118' N, 113 10.241' W; NAD 83, , GPS reading.  
Juniperus osteosperma and sagebrush below and up to saddle. Phenology: flowering. 

Ronald L. Hartman, 91175.  6/7/2011. 		RM 
     with Emma E. Stewart
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41.  Zigadenus venenosus S. Watson var. venenosus  				Melanthiaceae

U.S.A., Idaho, Lemhi County: Northern Salmon River Mountains: Salmon Wild and Scenic River: Salmon River Trail from ca 1 mi E to Horse Creek.  Elev. 2850-2900 ft.
T24N R14E S27 N1/2.  45 23.704' N, 114 42.923' W to 45 23.781' N, 114 43.915' W; NAD 83, , GPS reading.  
Trail with steep boulder field on either side, shrubs scattered along river. Phenology: fruiting. 

Ronald L. Hartman, 91526.  6/13/2011. 		RM 
     with Emma E. Stewart
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42.  Zigadenus venenosus S. Watson var. venenosus  				Melanthiaceae

U.S.A., Idaho, Lemhi County: Salmon National Forest: Lemhi Range: Hayden Creek Road to Mill Creek (Forest Road 010), between Apple and Little Sawmill creeks, ca 16 air mi W of Leadore.  Elev. 7800 ft.
T17N R23E S25 SE1/4 SE1/4.  44.7677 N, 113.6607 W; NAD 83, , GPS reading.  
Dry ridge and rock outcrop. Phenology: fruiting. 

Ronald L. Hartman, 90482.  7/27/2010. 		RM 
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43.  Zigadenus venenosus S. Watson var. venenosus  				Melanthiaceae

U.S.A, Idaho, Lemhi County: Salmon National Forest: Northern Salmon River Mountains: Stoddard Creek 1/4 mi upstream of the Middle Fork Salmon River, 21.4 air mi WSW of Shoup.  Elev. 3336 ft.
T22N R15E S24.  
In mesic coarse textured soil within grassland vegetation, 16 degree slope, SSW aspect, gneiss geology. Phenology: flowering. 

Joshua J. Irwin, 4654.  6/1/2011. 		RM 
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44.  Zigadenus venenosus S. Watson var. venenosus  				Melanthiaceae

U.S.A, Idaho, Lemhi County: Salmon National Forest: Northern Salmon River Mountains: ridgetop dividing lower Wheat and Corn creeks, 19.5 air mi W of Shoup.  Elev. 4103 ft.
T24N R14E S36.  
In mesic soil within grassland vegetation, 21 degree slope, west aspect, gneiss geology. Phenology: flowering & fruiting. 

Joshua J. Irwin, 4757.  6/7/2011. 		RM 
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45.  Zigadenus venenosus S. Watson var. venenosus  				Melanthiaceae

U.S.A, Idaho, Custer County: Challis National Forest: Eastern Salmon River Mountains: hillside above lower Lick Creek, 15.4 air mi NNW of Challis.  Elev. 6208 ft.
T16N R18E S12.  
In mesic soil within grassland vegetation, 19 degree slope, NE aspect, rhyodacite geology. Phenology: flowering. 

Joshua J. Irwin, 5014.  6/14/2011. 		RM 
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46.  Zigadenus venenosus S. Watson var. venenosus  				Melanthiaceae

U.S.A, Idaho, Lemhi County: Salmon National Forest: Lemhi Range: McKim Creek just above the confluence with North Fork McKim Creek, 24.7 air mi NNE of Challis.  Elev. 5571 ft.
T17N R21E S15.  
In mesic soil within grassland vegetation, 30 degree slope, NNE aspect, rhyodacite geology. Phenology: flowering. 

Joshua J. Irwin, 5094.  6/15/2011. 		RM 
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47.  Zigadenus venenosus S. Watson var. venenosus  				Melanthiaceae

U.S.A, Idaho, Custer County: Challis National Forest: Pahsimeroi Mountains: upper Gerry Gulch, NW of Point 7686, 8.1 air mi NE of Challis.  Elev. 6666 ft.
T15N R20E S32.  
In xeric soil within a Douglas-fir vegetation, 14 degree slope, W aspect, trachyandesite geology. Phenology: flowering. 

Joshua J. Irwin, 5490.  6/24/2011. 		RM 
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48.  Zigadenus venenosus S. Watson var. venenosus  				Melanthiaceae

U.S.A, Idaho, Lemhi County: Salmon National Forest: Lemhi Range: ridge dividing North and Middle Fork Little Timber creeks, due N of Stone Reservoir, 8.5 air mi SW of Leadore.  Elev. 8024 ft.
T15N R25E S34.  
In mesic soil within shrub-steppe vegetation, 13 degree slope, ESE aspect, dolostone (dolomite) geology. Phenology: flowering. 

Joshua J. Irwin, 6182.  7/13/2011. 		RM 
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