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

Database Search Results

170 matching records found (of 170).
Search query: Genus begins with Petrophyton, Species begins with caespitosum, (search polygon not defined)
Sorted by: Scientific Name

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1.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Arizona, Coconino County: Coconino National Forest: above and in upper Walnut Canyon from County Road 3 (Forest Hwy 3) to the junction with Skunk Canyon, ca 4.5 - 5 air mi SE of Flagstaff.  Elev. 6720-6800 ft.
T20N R7E S1 SE1/4.  35.1316 N, 111.6052 W to 35.15 N, 111.6 W; GPS Reading.  
Slopes of small side canyon. Phenology: flowering & fruiting. 

B. E. Nelson, 63759.  9/26/2004. 		RM 
     with James F. Fowler
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2.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Lincoln County: Salt River Range: Bridger-Teton National Forest: northeast ridge of Stewart Peak, ca 10 mi SSE of Alpine.  Elev. 9200-9800 ft.
T36N R118W S21.  
Crevices in limestone cliffs. Phenology: flowering & fruiting. 

Erwin F. Evert, 41505.  8/9/2005. 		RM 912957	Barcode: RM0068436
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3.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Big Horn County: Bighorn Basin: northeast side of Sheep Mountain, ca 11 mi N of Greybull.  Elev. 4300-4900 ft.
T54N R94W S27.  44.6309 N, 108.1595 W.  
Limestone cliff crevices and ledges. Phenology: buds. 

Erwin F. Evert, 10781.  8/6/1986. 		RM 725503	Barcode: RM0257073
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4.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Montana, Carbon County: Pryor Mountains: ca 2 mi W of Sage Creek Campground, ca 20 mi ESE of Bridger.  Elev. 6000 ft.
T7S R26E S19.  45.2109 N, 108.5705 W.  
Limestone cliffs and pavement with scattered Pinus flexilis. 

Erwin F. Evert, 19013.  6/17/1990. 		RM 
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5.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Montana, Gallatin County: Madison Range: Gallatin National Forest: along the north side of Taylor Creek: ca 1 mi W of U.S. Hwy 191, ca 14 mi S of Big Sky.  Elev. 7100-7200 ft.
T9S R4E S10.  45.0658 N, 111.2196 W.  
Open, south-facing limestone cliffs and slope with Agropyron spicatum, Artemisia fridgida, and Pentaphylloides floribunda. Phenology: flowering & fruiting. 

Erwin F. Evert, 23856.  7/16/1992. 		RM 754536
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6.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Montana, Madison County: Henrys Lake Mountains: Gallatin National Forest: along Sheep Creek just N of the first footbridge; ca 1.5 mi S of the Madison River.  Elev. 6800 ft.
T12S R2E S12.  44.8028 N, 111.4266 W.  
Rock outcroppings with Telesonix heucheriformis, Petrophytum caespitosum, and Heuchera parvifolia. Phenology: vegetative only. 

Erwin F. Evert, 27059.  6/15/1994. 		RM 780486
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7.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

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..  
On limestone boulders with Telesonix heucheriformis. Phenology: vegetative only. 

Erwin F. Evert, 31567.  6/27/1996. 		RM 787426
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8.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Teton County: Teton Range: Grand Teton National Park: Rendezvous Mountain: 1/3 mi W of ski-tram terminus.  Elev. 10000-10400 ft.
T42N R117W S15.  43.6052 N, 110.8753 W; uncertainty 2 mi..  
Limestone cliffs and ledges with Telesonix heucheriformis. Phenology: vegetative only. 

Erwin F. Evert, 32086.  7/10/1996. 		RM 788557	Barcode: RM0257090
     with Yolanda Evert
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9.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Fremont County: Bridger Mountains: along Birdseye Road in canyon 13 mi NE of Shoshoni.  Elev. 6100 ft.
T40N R94W S22.  43.4207 N, 108.1022 W; uncertainty 1 mi..  
Limestone cliff crevices with Petrophytum caespitosum. Phenology: flowering & fruiting. 

Erwin F. Evert, 35165.  6/13/1998. 		RM 820297	Barcode: RM0020546
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10.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Arizona, Navajo County: Sitgreaves National Forest: Mogollon Plateau: Wildcat Canyon above Forest Road 504, ca 10.5 air mi NW of Heber; ca 25.5 air mi S of Winslow.  Elev. 6470-6540 ft.
T14N R15E S2 SW1/4.  34.5402 N, 110.7284 W to 34.5431 N, 110.7294 W.  
Canyon bottom, walls, and slopes on limestone. Phenology: flowering & fruiting. 

B. E. Nelson, 70072.  8/25/2006. 		RM 
     with James F. Fowler, Brian Reif
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11.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Arizona, Navajo County: Sitgreaves National Forest: Black Canyon along Forest Road 86, ca 3 air mi SW of Heber.  Elev. 6800 ft.
T12N R16E S34.  34.3903 N, 110.6267 W; uncertainty 0.25 mi..  
Limestone outcrop with sandy soil below. Phenology: flowering. 

Ronald L. Hartman, 84723.  9/21/2006. 		RM 
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12.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Utah, Kane County: Glen Canyon National Recreation Area: Fence Hanging Garden, Fence Canyon.  Elev. 1213 m.
x506611:y4139277.  zone 12, 506611E, 4139277N; Specimen Label.  
Hanging garden. 

James F. Fowler, 1036.  9/6/1992. 		 
     with Jon Hak and C. Keleher
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13.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Utah, San Juan County: Natural Bridges National Monument: Petro II Hanging Garden, White Canyon.  Elev. 1823 m.
x586144:y4161665.  zone 12, 586144E, 4161665N; Specimen Label.  
Hanging garden. 

James F. Fowler, 1152.  5/29/1993. 		 
     with C. L. May
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14.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Utah, Uintah County: Dinosaur National Monument: Ely Hanging Garden, first north Canyon off Lower Ely Creek.  Elev. 1700 m.
x663789:y4491263.  zone 12, 663789E, 4491263N; Specimen Label.  
Hanging garden. 

James F. Fowler, 1294.  6/12/1993. 		 
     with C. L. May
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15.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Colorado, Moffat County: Dinosaur National Monument: Ponderosa Hanging Garden, Yampa Canyon.  Elev. 1728 m.
x683311:y4482610.  zone 12, 683311E, 4482610N; Specimen Label.  
Hanging garden. 

James F. Fowler, 1341.  6/15/1993. 		 
     with C. L. May
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16.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Colorado, Moffat County: Dinosaur National Monument: Yampa Hanging Garden, Yampa Canyon.  Elev. 1664 m.
x683335:y4482718.  zone 12, 683335E, 4482718N; Specimen Label.  
Hanging garden. 

James F. Fowler, 1371.  6/16/1993. 		 
     with C. L. May
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17.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Colorado, Moffat County: Dinosaur National Monument: Rimrock Hanging Garden, Blind Canyon.  Elev. 1826 m.
x684900:y4481096.  zone 12, 684900E, 4481096N; Specimen Label.  
Hanging garden. 

James F. Fowler, 1473.  6/24/1993. 		 
     with C. L. May
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18.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Colorado, Moffat County: Dinosaur National Monument: Marbles Hanging Garden, Blind Canyon.  Elev. 1743 m.
x684983:y4480823.  zone 12, 684983E, 4480823N; Specimen Label.  
Hanging garden. 

James F. Fowler, 1491.  6/24/1993. 		 
     with C. L. May
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19.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Colorado, Moffat County: Dinosaur National Monument: Redrock Hanging Garden, Redrock Canyon.  Elev. 1591 m.
x676904:y4483120.  zone 12, 676904E, 4483120N; Specimen Label.  
Hanging garden. 

James F. Fowler, 1521.  6/25/1993. 		 
     with C. L. May
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20.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Utah, San Juan County: Glen Canyon National Recreation Area: Crossbed Hanging Garden in unnamed small canyon ca 1 km W of Alcove Canyon.  Elev. 1230 m.
x525856:y4124822.  zone 12, 525856E, 4124822N; Specimen Label.  
Hanging garden. 

James F. Fowler, 326.  7/29/1991. 		 
     with C. L. May and Jon Hak
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21.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Utah, Washington County: Zion National Park: Canyon Overlook I Hanging Garden.  Elev. 1600 m.
x327980:y4120384.  zone 12, 327980E, 4120384N; Specimen Label.  
Hanging garden. 

James F. Fowler, 556.  5/27/1992. 		 
     with C. L. May and Jon Hak
_________________________________________________________________________

22.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Utah, Washington County: Zion National Park: Canyon Overlook II Hanging Garden.  Elev. 1600 m.
x327879:y4120338.  zone 12, 327879E, 4120338N; Specimen Label.  
Hanging garden. 

James F. Fowler, 590.  5/28/1992. 		 
     with C. L. May and Jon Hak
_________________________________________________________________________

23.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Utah, Washington County: Zion National Park: Hailstone Hanging Garden, Zion Canyon.  Elev. 1433 m.
x327052:y4126318.  zone 12, 327052E, 4126318N; Specimen Label.  
Hanging garden. 

James F. Fowler, 686.  5/30/1992. 		 
     with C. L. May and Jon Hak
_________________________________________________________________________

24.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Utah, Washington County: Zion National Park: Grotto Hanging Garden, Zion Canyon.  Elev. 1402 m.
x327435:y4124914.  zone 12, 327435E, 4124914N; Specimen Label.  
Hanging garden. 

James F. Fowler, 713.  5/31/1992. 		 
     with C. L. May and Jon Hak
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25.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Utah, San Juan County: Glen Canyon National Recreation Area: upper Three Garden, near junction of San Juan and Colorado River canyons.  Elev. 1250 m.
x510510:y4116716.  zone 12, 510510E, 4116716N; Specimen Label.  
Hanging garden. 

James F. Fowler, 95.  6/11/1991. 		 
     with C. L. May and Jon Hak
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26.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

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: flowering. 

Ronald L. Hartman, 48252.  7/26/1994. 		RM 627167	Barcode: RM0257081
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27.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Teton County: Gros Ventre Area: northeast lower slope of Darwin Peak.  Elev. 9000-9600 ft.
T40N R112W S28 SW1/4.  43.3996 N, 110.2931 W.  
Coniferous forest and streamside. Phenology: flowering. 

Ronald L. Hartman, 49420.  8/16/1994. 		RM 627168	Barcode: RM0257080
     with Tom Cramer
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28.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Teton County: Gros Ventre Area: ridge immediately N of Blue Miner Lake down to lake.  Elev. 9400-10100 ft.
T42N R114W S34.  43.562 N, 110.5167 W.  
Calcareous slope and rock rubble. Phenology: flowering & fruiting. 

Ronald L. Hartman, 50091.  8/25/1994. 		RM 627169	Barcode: RM0257079
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29.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Teton County: Gros Ventre Area: lower slopes of Sheep Mountain, ca 2.5-3.5 air mi from summit.  Elev. 7800-9400 ft.
T42N R114W S32 N1/4.  43.562 N, 110.5565 W; uncertainty 0.5 mi..  
Grassy slopes and wooded areas. Phenology: buds. 

Ronald L. Hartman, 54002.  8/21/1995. 		RM 659087	Barcode: RM0257075
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30.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: ca 13.5 air mi N of Cokeville; Sublette Range at Raymond Creek.  Elev. 6400 ft.
T26N R119W S6 NE1/4.  42.27 N, 111.0231 W.  
Granite outcrop. Phenology: fruiting. 

Thomas Cramer, 7741.  7/11/1995. 		RM 644987	Barcode: RM0257490
     with Jane T. Kellett
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31.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Big Horn County: Big Horn Mountains: along Cold Springs Road, ca 8 air mi NE of Hyattville and ca 32 air mi NE of Worland.  Elev. 7200-7400 ft.
T50N R88W S4; SE1/4 S5.  44.3355 N, 107.4552 W; uncertainty 0.5 mi..  
Juniper and Pinus with sagebrush on sandy soil with rocks. Phenology: flowering. 

Luanne Lum, 1144.  8/9/2001. 		RM 803281	Barcode: RM0093727
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32.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Washakie County: Big Horn Mountains: along Wyo Hwy 435, ca 10 air mi ENE of Ten Sleep.  Elev. 5960-6120 ft.
T48N R87W S26 SW1/4.  44.0984 N, 107.2795 W; uncertainty 0.5 mi..  
Juniper, pine, and sagebrush on sandy soil with cobbles. Phenology: flowering. 

Luanne Lum, 3104.  6/24/2002. 		RM 935912	Barcode: RM0101863
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33.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Teton County: Teton Range East Slope: Rendezvous Mountain, just below ridge between Granite Canyon and Jackson Hole, ca 3/4 mi W of Apres Vous Peak, ca 1.5 air mi NW of Teton Village; ca 8 air mi NW of Jackson.  Elev. 9200-9500 ft.
T42N R117W S14.  43.6052 N, 110.8553 W.  
Rocky slopes and ledges dominated by forbs and graminoids. 

Stuart Markow, 11331.  7/31/1996. 		RM 
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34.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: southeast side of Fairfield Hill, ca 6 air mi SW of Lander.  Elev. 7400-8120 ft.
T32N R101W S13 South1/2.  42.7405 N, 108.8389 W to 42.7442 N, 108.845 W; GPS Reading.  
Juniper woodland/sagebrush grassland on steep slopes beneath limestone cliffbands. Phenology: flowering & fruiting. 

Rob Massatti, 298.  6/13/2005. 		USFS 849074	Barcode: USFS0033729
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35.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: Weed Draw to Canyon Creek, ca 12 air mi S of Lander.  Elev. 7660-8270 ft.
T31N R100W S11; also N1/2 S10 and E1/2 S9 and N1/2 S16.  42.6729 N, 108.7488 W to 42.6792 N, 108.763 W to 42.6735 N, 108.783 W to 42.6606 N, 108.7904 W; GPS Reading.  
Limestone boulder. Phenology: flowering. 

Rob Massatti, 3033.  7/25/2005. 		USFS 849113	Barcode: USFS0033682
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36.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: south ridge of Sheep Canyon, ca 4.5 air mi SW of Lander.  Elev. 6070-7850 ft.
T32N R100W S8; also W1/2 S9 and NE1/4 S18.  42.758 N, 108.799 W to 42.7485 N, 108.8233 W; GPS Reading.  
Rocky mixed shrubland and grassland on limestone. Phenology: flowering. 

Rob Massatti, 4498.  5/23/2006. 		USFS 849075	Barcode: USFS0033730
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37.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Hot Springs County: Wind River Canyon.  Elev. 4900-6000 ft.
T6N R6E S9.  43.5071 N, 108.1691 W; NAD 83, uncertainty 5 mi., Digital Map.  
On the rock cliffs. Phenology: fruiting. 

C. L. Porter, 5411.  7/10/1950. 		RM 217834	Barcode: RM0257078
_________________________________________________________________________

38.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Washakie County: Southern Bighorn Mountains: Tensleep Canyon.  Elev. 7000 ft.
T48N R87W S24.  44.1158 N, 107.2533 W; NAD 83, uncertainty 2 mi., Digital Map.  
Limestone rocks. Phenology: buds. 

C. L. Porter, 5763.  7/12/1951. 		RM 222843	Barcode: RM0257077
_________________________________________________________________________

39.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Fremont County: Wind River Range: Warm Springs Creek.  Elev. 8700 ft.
T42N R108W S31.  43.5643 N, 109.8602 W; NAD 83, uncertainty 1 mi., Digital Map.  
Common on walls of limestone rock canyon. Phenology: flowering. 

C. L. Porter, 7192.  8/7/1956. 		RM 249451	Barcode: RM0062027
_________________________________________________________________________

40.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Sheridan County: Big Horn Mountains: Little Goose Canyon.  Elev. 4900-5600 ft.
T53N R85W S12.  44.5851 N, 107.0405 W; uncertainty 3 mi..  
Dry, rough, rocky cliffs. Phenology: flowering. 

Aven Nelson, 8536.  7/28/1901. 		RM 37092	Barcode: RM0257497
_________________________________________________________________________

41.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Uinta County: Afton.  Elev. 6550 ft.
T32N R118W S21.  42.7446 N, 110.8879 W; uncertainty 5 mi..  
Cliffs in canyon. Phenology: flowering & fruiting. 

Aven Nelson, 9101.  8/30/1907. 		RM 65546	Barcode: RM0257496
_________________________________________________________________________

42.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming: Bighorn Basin.
Phenology: flowering. 

B. C. Buffum, s.n..  //1907. 		RM 60895	Barcode: RM0257466
_________________________________________________________________________

43.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Big Horn County: Big Horn National Forest: Shell Canyon, across canyon from small creek between Spurry Creek and Cedar Creek.  Elev. 5900 ft.
T53N R90W S11.  44.5862 N, 107.6506 W; uncertainty 1 mi..  
Douglas fir slope above highway, on shaded damp limestone outcrops; also seen on vertical limestone cliffs above. Phenology: flowering. 

Barry C. Johnston, 1466.  8/8/1977. 		RM 340031	Barcode: RM0257472
_________________________________________________________________________

44.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Teton County: Rendezvous Mountain, top of the aerial tram from Teton Village, NW of Jackson.  Elev. 10450 ft.
T42N R117W S15 SW1/4 SE1/4.  43.6052 N, 110.8753 W; uncertainty 0.25 mi..  
Transition between subalpine and alpine zones. Phenology: flowering. 

C. Conner, 7.  9/2/1979. 		RM 316695	Barcode: RM0257072
_________________________________________________________________________

45.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Teton County: Teton National Forest: about the forks of Phillips Canyon.  Elev. 8000 ft.
T41N R117W S17.  43.5188 N, 110.9151 W; uncertainty 1 mi..  
25 degree south slope; rock soil; face of granite or ledge; with Lichen and moss; on cliffs-ledges, etc. Aundantly patchy, 4-6 inches tall. Phenology: vegetative only. 

Charles H. McDonald, 907.  7/25/1929. 		USFS 407860	Barcode: USFS0070630
_________________________________________________________________________

46.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming: Big Horn Mountains.
Phenology: vegetative only. 

Carrie Hapeman, s.n..  9//1892. 		RM 227058	Barcode: RM0257476
_________________________________________________________________________

47.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Lincoln County: Wyoming National Forest: Swift Creek Mineral Springs.  Elev. 6500 ft.
T33N R117W S31.  42.7989 N, 110.8467 W; uncertainty 1 mi..  
30% south slope; rocky sandy loam soil; waste (rocks) with Heuchera, wheatgrass; rocky ledges. Abundance patchy, 4 inches tall. Phenology: flowering & fruiting. 

Charles H. McDonald, McD&G-3.  8/22/1926. 		USFS 407862	Barcode: USFS0070631
     with A. Gardiner
_________________________________________________________________________

48.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Big Horn County: Cold Springs Road NE of Hyattville, south side of Medicine Lodge Canyon.  Elev. 7600 ft.
T50N R88W S4 SE1/4 of SE1/4 of.  44.3355 N, 107.4552 W; uncertainty 0.25 mi..  
On outcrops of limestone badrock in big sagebrush kentucky bluegrass vegetation. Abundant. Phenology: flowering. 

David L. Martin, 1498.  8/20/1980. 		RM 337631	Barcode: RM0257071
_________________________________________________________________________

49.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Sheridan County: Big Horn National Forest: Walker Prairie.  Elev. 7650 ft.
T54N R86W S6.  44.688 N, 107.2633 W; uncertainty 1 mi..  
17 degree SW slope; limestone soil; park, on rocks only with moss; on rocks in parks. Numerous, 2 inches tall. Phenology: flowering. 

Dayton P. Kirkham, 327.  8/10/1934. 		USFS 407864	Barcode: USFS0070632
_________________________________________________________________________

50.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Sublette County: Gros Ventre Mountains: 15 mi NE of Bondurant.  Elev. 9500-10900 ft.
T39N R112W S25.  43.3188 N, 110.2375 W; NAD 83, uncertainty 2 mi., Digital Map.  
Limestone cliffs near timberline. Phenology: flowering. 

Edwin B. Payson, 3004.  8/13/1922. 		RM 93876	Barcode: RM0257494
     with Lois B. Payson
_________________________________________________________________________

51.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Sublette County: In the Vicinity of Green River Lakes. [*South facing shore on Lower Green River Lake.]  Elev. 8000 ft.
T38N R108W S9.  43.2824 N, 109.8253 W; NAD 83, uncertainty 0.5 mi., Digital Map.  
On limestone rocks. Phenology: flowering. 

Edwin B. Payson, 4529.  8/4/1925. 		RM 270413	Barcode: RM0257495
     with Lois B. Payson
_________________________________________________________________________

52.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Teton County: Gros Ventre: along Swift Creek, ca 2 mi SW of Corner Peak.  Elev. 7800 ft.
T39N R113W S4.  43.3708 N, 110.414 W.  
In cliff crevices and on limestone boulders. Phenology: flowering. 

Erwin F. Evert, 7565.  8/15/1984. 		RM 610016	Barcode: RM0257487
_________________________________________________________________________

53.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Johnson County: Big Horn Mountains: above and along South Fork Piney Creek, ca 2 mi SW of Story.  Elev. 5600-5700 ft.
T53N R84W S23 NE1/4.  44.5554 N, 106.9378 W.  
On limestone cliffs. Phenology: flowering. 

Erwin F. Evert, 8265.  7/9/1985. 		RM 624026	Barcode: RM0257485
_________________________________________________________________________

54.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Teton County: Teton Range: Eddington Canyon, ca 0.5-1 mi S of Treasure Mountain Scout Camp.  Elev. 7500 ft.
T44N R118W S25 NE1/4.  43.749 N, 110.9542 W.  
On shaded limestone boulders in Douglas fir forest. Phenology: flowering. 

Erwin F. Evert, 9308.  8/10/1985. 		RM 624025	Barcode: RM0257486
_________________________________________________________________________

55.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Lincoln County: Along the Snake River; ca 2 mi E of Alpine Junction on U.S. Hwy 89 and 26.  Elev. 6250 ft.
T37N R118W S22.  43.177 N, 110.9778 W; uncertainty 3 mi..  
On limestone rocks. label reads T37N R119W S14-not a Wyo location Phenology: flowering & fruiting. 

Frank R. Drysdale, 246.  9/23/1967. 		RM 284865	Barcode: RM0257468
_________________________________________________________________________

56.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Johnson County: Eastern Slope Big Horn Mountains: headwaters of Clear Creek and Crazy Woman River.  Elev. 7000-9000 ft.
T49N R84W S15.  44.2172 N, 106.952 W; uncertainty 9+ mi..  
Phenology: flowering. 

Frank Tweedy, 3241.  7/20/1900. 		RM 38011	Barcode: RM0257465
_________________________________________________________________________

57.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Big Horn County: Bighorn National Forest: Tongue River Canyon.  Elev. 4500 ft.
T56N R87W S10.  44.8496 N, 107.3241 W; uncertainty 1 mi..  
South slope; taken from rock soil; open woodland on rocks. Fairly abundant. Phenology: fruiting. 

Fred Stell, S-7.  9/6/1933. 		USFS 408842	Barcode: USFS0070629
_________________________________________________________________________

58.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Fremont County: SE of Thermopolis and E of the Wind River Canyon; north flank of the Owl Creek Range: ridgetop NW of Birdseye Pass.  Elev. 7400 ft.
T40N R94W S2.  43.4611 N, 108.0793 W; NAD 83, uncertainty 0.5 mi., Nat. Geog. TOPO!.  
Transitional from sagebrush to conifer. Phenology: vegetative only. 

Herbert G. Fisser, 222.  7/11/1960. 		RM 264545	Barcode: RM0257493
_________________________________________________________________________

59.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Hot Springs County: SE of Thermopolis and E of the Wind River Canyon, on the north flank of the Owl Creek Range; ca 9 mi S of Thermopolis.  Elev. 6000 ft.
T6N R5E S12.  43.5115 N, 108.2319 W; uncertainty 3 mi..  
Steep hillside conifer area. Phenology: buds. 

Herbert G. Fisser, 285.  7/18/1960. 		RM 264544	Barcode: RM0257491
_________________________________________________________________________

60.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Fremont County: SW of Thermopolis and W of the Wind River Canyon, on the north flank of the Owl Creek, Arrowhead Ridge.  Elev. 7300 ft.
T6N R3E S23.  43.4825 N, 108.4883 W; uncertainty 3 mi..  
Three-tip sagebrush grassland. Phenology: flowering. 

Herbert G. Fisser, 293.  8/5/1960. 		RM 264543	Barcode: RM0257492
_________________________________________________________________________

61.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Sheridan County: Ca 20 air mi W of Sheridan, ridge S of North Fork Little Tongue River.  Elev. 7500 ft.
T56N R87W S27; also S34.  44.8055 N, 107.3241 W; uncertainty 2 mi..  
Decomposed granite with scattered limestone outcrops. Phenology: vegetative only. 

John S. Hamann, 108.  5/22/1982. 		RM 357815	Barcode: RM0257070
_________________________________________________________________________

62.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Lincoln County: Salt River Range: Dry Creek, ridges above Quaking Aspen Hollow.  Elev. 6500 ft.
T31N R118W S3.  42.7011 N, 110.8686 W; uncertainty 3 mi..  
Large sheets of limestone ridges, associated with Telesonix jamesii, Heuchera, Ribes, and Leucopoa. Phenology: vegetative only. 

John S. Shultz, 606.  7/6/1979. 		USFS 407861	Barcode: USFS0070642
_________________________________________________________________________

63.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Sublette County: Wyoming Range: East face of Mount McDougal Peak (sic).  Elev. 9600 ft.
T34N R115W S32.  42.8732 N, 110.598 W; uncertainty 3 mi..  
Rock ledges, limestone, east facing. Phenology: buds. 

Leila M. Shultz, 2925.  8/5/1978. 		RM 313027	Barcode: RM0257464
     with John S. Shultz and Kirsten Shultz.
_________________________________________________________________________

64.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Teton County: Targhee National Forest: Teton Canyon: Near Medicine Falls Trail, 0.5 mi S of Treasure Mountain Scout Camp.  Elev. 6900 ft.
T44N R118W S24.  43.7636 N, 110.9549 W; uncertainty 2 mi..  
Locally common in shalow soil pockets of limestone rocks. Phenology: flowering. 

Loran C. Anderson, 233.  8/30/1955. 		RM 254157	Barcode: RM0257471
_________________________________________________________________________

65.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Teton County: Targhee National Forest: Teton Canyon: Near Medicine Falls Trail, 0.5 mi S of Treasure Mountain Scout Camp.  Elev. 6900 ft.
T44N R118W S24.  43.7636 N, 110.9549 W; uncertainty 2 mi..  
Locally common in shalow soil pockets of limestone rocks. Phenology: flowering. 

Loran C. Anderson, 234.  8/30/1955. 		RM 254158	Barcode: RM0257469
_________________________________________________________________________

66.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Teton County: Targhee National Forest: Teton Canyon: Near Medicine Falls Trail, 0.5 mi S of Treasure Mountain Scout Camp.  Elev. 6900 ft.
T44N R118W S24.  43.7636 N, 110.9549 W; uncertainty 2 mi..  
Locally common in shallow soil pockets of limestone rocks. Phenology: flowering. 

Loran C. Anderson, 235.  8/30/1955. 		RM 254159	Barcode: RM0257470
_________________________________________________________________________

67.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Sublette County: Wind River Mountains: Green River Lakes.  Elev. 7950 ft.
T39N R108W S31.  43.306 N, 109.8619 W; uncertainty 3 mi..  
Rocky slopes. Phenology: flowering & fruiting. 

Marion Ownbey, 1135.  9/7/1936. 		RM 151612	Barcode: RM0257467
_________________________________________________________________________

68.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Lincoln County: Bridger National Forest: Swift Creek Canyon, E of Afton, 500 yd below Periodic Spring.  Elev. 7000 ft.
T32N R118W S23.  
On limestone cliff. Phenology: flowering. 

Richard J. Shaw, 4959.  7/5/1991. 		RM 736475	Barcode: RM0257478
_________________________________________________________________________

69.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Big Horn County: Bighorn National Forest: Paintrock District: near Ruble Creek Exclosure.  Elev. 7600 ft.
T53N R89W S13; also S14 and S23.  44.5717 N, 107.5089 W; uncertainty 3 mi..  
On limestone boulder, growing on north and south exposure, with Artemisia tridentata, Festuca idahoensis, Stipa columbiana. Phenology: flowering. 

Richard M. Hurd, 373.  8/23/1954. 		RM 244382	Barcode: RM0257477
_________________________________________________________________________

70.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Big Horn County: Bighorn National Forest: Paintrock District: near Ruble Creek Exclosure.  Elev. 7600 ft.
T53N R89W S13; also S14 and S23.  44.5717 N, 107.5089 W; uncertainty 3 mi..  
On limestone boulder, growing on north and south exposure, with Artemisia tridentata, Festuca idahoensis, Stipa columbiana. Phenology: flowering. 

Richard M. Hurd, 373.  8/23/1954. 		USFS 407863	Barcode: USFS0070643
_________________________________________________________________________

71.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Natrona County:   Elev. 7700 ft.
T41N R86W S25 SE1/4 of SE1/4.  43.4917 N, 107.1224 W.  
On limestone rocks with Arenaria obtusiloba and Draba. 

Robert D. Dorn, 8050.  7/14/1999. 		RM 
_________________________________________________________________________

72.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Natrona County:   Elev. 7700 ft.
T41N R86W S25 SE1/4 of SE1/4.  43.4924 N, 107.1209 W; uncertainty 0.25 mi..  
On limestone rocks with Arenaria obtusiloba and Draba. Matted. Phenology: buds. 

Robert D. Dorn, 8050.  7/14/1999. 		RM 643141	Barcode: RM0257076
_________________________________________________________________________

73.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Big Horn County: 4 mi SE of Hyattville.  Elev. 5200 ft.
T49N R89W S22.  44.2049 N, 107.5323 W; uncertainty 1 mi..  
Growing with Physaria australis and Erigeron ochroleucus. Frequently forming large mats. Phenology: fruiting. 

Robert W. Lichvar, 1661.  5/22/1979. 		RM 334772	Barcode: RM0257473
_________________________________________________________________________

74.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Washakie County: Confluence of Leigh and Ten Sleep creeks.  Elev. 5740 ft.
T48N R87W S34 South1/4.  44.0841 N, 107.2996 W; uncertainty 0.5 mi..  
Frequent on limestone cliffs, associated with Erigeron and Pellaea. Phenology: flowering & fruiting. 

Robert W. Lichvar, 1939.  7/5/1979. 		RM 334771	Barcode: RM0257474
_________________________________________________________________________

75.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Teton County: Gros Peak.  Elev. 9000 ft.
T40N R114W S12.  43.4425 N, 110.4694 W; uncertainty 1 mi..  
Growing with Cystopteris fragilis and Selaginella densa; frequent on rocky talus. Phenology: buds. 

Robert W. Lichvar, 922.  7/11/1977. 		RM 316380	Barcode: RM0257475
_________________________________________________________________________

76.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Teton County: Tepee Creek.  Elev. 7200 ft.
T42N R112W S33.  43.562 N, 110.2975 W; uncertainty 3 mi..  
Dry rocky ledges. Phenology: flowering & fruiting. 

Vie Willits, 600.  7/25/1910. 		RM 69174	Barcode: RM0257463
_________________________________________________________________________

77.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Sheridan County: Goose Creek Canyon, Sheridan. [*Big Goose Creek]  Elev. 5500 ft.
T54N R86W S3.  44.688 N, 107.2025 W; uncertainty 2 mi..  
In precipetous rocky crevices. Phenology: flowering & fruiting. 

Wilhelm G. Solheim, 468.  8/16/1931. 		RM 131135	Barcode: RM0257827
_________________________________________________________________________

78.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: east flank of Big Sheep Mountain, ca 1 mi W of Lower Green River Lake, ca 29 air mi N of Pinedale.  Elev. 9200-9800 ft.
T38N R108W S6; also T39N R109W S36.  43.2976 N, 109.8784 W; uncertainty 1 mi..  
Limestone outcrop in open canopy east-facing slope above sagebrush meadow. Phenology: flowering. 

Walter Fertig, 13235.  8/4/1992. 		RM 579849	Barcode: RM0257489
_________________________________________________________________________

79.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Washakie County: Foothills of west slope Big Horn Mountains: Cooks Vee on west side of Cooks Road (TNC Ten Sleep Preserve).  Elev. 6440 ft.
T47N R86W S32.  43.9977 N, 107.2193 W; uncertainty 0.25 mi..  
Sparsely vegetated limestone outcrop surrounded by sagebrush grassland and juniper. Phenology: flowering. 

Walter Fertig, 14496.  8/25/1993. 		RM 601683	Barcode: RM0257488
     with Ann Humphrey
_________________________________________________________________________

80.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Big Horn County: Bighorn National Forest: Shell Ranger Station.  Elev. 7700 ft.
T53N R88W S19.  44.5557 N, 107.5063 W; uncertainty 1 mi..  
Gentle SW slope; on rocks; woodland; only on rocks. Very abundant. Phenology: flowering & fruiting. 

William J. Cochran, C-137.  8/23/1933. 		USFS 408843	Barcode: USFS0070628
_________________________________________________________________________

81.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Arizona, Coconino County: Trail to Supai Village; canyon wall.  Elev. 4000 ft.
T33N R4W S26.  
Phenology: flowering. 

A. F. Whiting, 4474.  10/25/1940. 		RMRS 
_________________________________________________________________________

82.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Arizona, Coconino County: Sitgreaves National Forest; rim above Chevelon Creek.  Elev. 6500 ft.
T14N R14E S9.  
Phenology: flowering & fruiting. 

Charles P. Pase, 2201.  8/25/1977. 		RMRS 
_________________________________________________________________________

83.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Teton County: Grand Teton National Park and Vicinity: Teton Range: in upper Granite Canyon, ca 11.5 air mi WSW of Moose; ca 12 air mi NW of Jackson.  Elev. 9320 ft.
T42N R117W S18 SE1/4.  43.6006 N, 110.9261 W; GPS Reading.  
Subalpine limestone cliffs and talus on steep northeast-facing slope. Phenology: flowering. 

David Scott, 5369.  8/11/2007. 		RM 839975	Barcode: RM0022011
_________________________________________________________________________

84.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Teton County: Bridger-Teton National Forest: Teton Range: Rendezvous Mountain, start of trail to Marion Lake in North Fork Granite Canyon.  Elev. 10040 ft.
T42N R117W S22.  43.593 N, 110.885 W; GPS Reading.  
Alpine. Phenology: flowering. 

Ronald L. Hartman, 86482.  8/11/2007. 		RM 839974	Barcode: RM0022010
     with David Scott
_________________________________________________________________________

85.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., South Dakota, Lawrence County: Lower Iron Creek Canyon.  Elev. 4820-5080 ft.
T5N R2E S30.  
In crevices of limestone cliffs. Frequent. Phenology: buds. 

Arthur C. McIntosh, 922.  8/11/1927. 		RM 105036	Barcode: RM0257092
_________________________________________________________________________

86.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., South Dakota, Lawrence County: Black Hills: Black Hills National Forest: Boxelder Creek in vicinity of Nemo, ca 16.5 air mi ESE of Lead, SD, along Centennial Trail (#89) on top of rimrock above (east of) Forest Road 26. /2  Elev. 5200 ft.
T3N R5E S15 SE1/4.  
In small crevices in limestone. 

Hollis Marriott, 12352.  9/19/2001. 		RM 
     with Paul Bosworth
_________________________________________________________________________

87.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., South Dakota, Lawrence County: Black Hills: Black Hills National Forest: Boxelder Creek in vicinity of Nemo, ca 16.5 air mi ESE of Lead, SD, along Centennial Trail (#89) on top of rimrock above (east of) Forest Road 26. /2  Elev. 5200 ft.
T3N R5E S15 SE1/4.  44.2172 N, 103.5008 W; uncertainty 0.5 mi..  
In small crevices in limestone. Phenology: flowering. 

Hollis Marriott, 12352.  9/19/2001. 		RM 698923	Barcode: RM0257093
     with Paul Bosworth
_________________________________________________________________________

88.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., South Dakota, Lawrence County: Deadwood.  Elev. 4320-5700 ft.
T5N R3E S23.  
In crevices of limestone cliffs. Specimen was improperly pressed; plant is 3.5cm thick on the herbarium sheet. Phenology: vegetative only. 

Otto Degener, 16671.  8/7/1942. 		RM 192527	Barcode: RM0257091
     with Leroy Peiler
_________________________________________________________________________

89.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., South Dakota, Lawrence County: Little Spearfish Trailhead just above Timon Campground.  Elev. 5840 ft.
T4S R1E S3 South1/2.  
Upland pine wooded slopes bordering narrow stream meadow, the steep slopes crowned by shear limestone cliffs, rare on tops of cliffs in most exposed (and difficult to get to) sites. Phenology: vegetative only. 

Ralph E. Brooks, 15560.  7/10/1989. 		RM 549020	Barcode: RM0327503
     with Craig Freeman
_________________________________________________________________________

90.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., South Dakota, Lawrence County: Iron Creek Canyon, ca 0.5 mi SW of Spearfish Creek Road.  Elev. 4880 ft.
T5N R2E S30 NW1/4.  44.3728 N, 103.9231 W; uncertainty 0.5 mi..  
Moist crevice in limestone wall. Phenology: vegetative only. 

T. Van Bruggen, 50-1989.  8/2/1989. 		RM 549153	Barcode: RM0327502
_________________________________________________________________________

91.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Colorado, Garfield County: Glenwood Springs.
On limestone rocks. Phenology: flowering & fruiting. 

Edwin B. Payson, 1198.  9/1/1917. 		RM 88901
_________________________________________________________________________

92.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Colorado, Gunnison County: Crystal Canyon, 10 mi N of Gothic, on cliff about 4 mi past Schofield Pass.  Elev. 10000 ft.
Cliff. Phenology: vegetative only. 

Frank S. Crosswhite, 1222.  7/30/1960. 		RM 262785
_________________________________________________________________________

93.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Colorado, Garfield County: Glenwood Springs.
Growing on face of cliffs facing north. Phenology: vegetative only. 

George E. Osterhout, 1929.  6/18/1899. 		RM 171667
_________________________________________________________________________

94.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Colorado, Garfield County: Glenwood Springs.
Phenology: flowering. 

George E. Osterhout, 3403.  8/18/1906. 		RM 171666
_________________________________________________________________________

95.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Colorado, Garfield County: Glenwood Springs.
Phenology: flowering. 

George E. Osterhout, 3404.  8/18/1906. 		RM 70292
_________________________________________________________________________

96.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Colorado, Garfield County: Glenwood Springs.
Phenology: flowering. 

George E. Osterhout, No #.  8/21/1918. 		RM 99419
_________________________________________________________________________

97.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Colorado, Garfield County: Flat Tops/White River Plateau: Deep Creek Overlook, ca 12 air mi NE of Glenwood Springs.  Elev. 10000 ft.
T4SR87WS20.  
Top edge of north-facing cliffs and talus slopes above canyon, patches of Pinus flexilis and Pseudotsuga menziesii and un-forested rock. Phenology: flowering & fruiting. 

James P. Vanderhorst, 1312.  7/23/1990. 		RM 686081
_________________________________________________________________________

98.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Colorado, Rio Blanco County: Flat Tops/White River Plateau: Flat Tops Wilderness: Park Creek, ca 22 air mi N of Glenwood Springs.  Elev. 9200-10000 ft.
T2SR89WS19; also S20, S21 and S22.  
Limestone cliffs. Phenology: flowering & fruiting. 

James P. Vanderhorst, 1674.  8/12/1990. 		RM 686080
_________________________________________________________________________

99.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Colorado, Garfield County: Flat Tops/White River Plateau: East Elk Creek drainage, ca 12 air mi NW of Glenwood Springs.  Elev. 6500 ft.
T4SR90WS31.  
At base of limestone cliffs with oak. Phenology: flowering & fruiting. 

James P. Vanderhorst, 1958.  8/25/1990. 		RM 686079
_________________________________________________________________________

100.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Colorado, Garfield County: Flat Tops/White River Plateau: north rim of Deep Creek Canyon around Balixburg Springs, ca 14 air mi NE of Glenwood Springs.  Elev. 9400 ft.
T4SR87WS7.  
Limestone rim rock with limber pine Douglas-fir and Selaginella. Phenology: fruiting. 

James P. Vanderhorst, 3516.  7/23/1991. 		RM 686078
_________________________________________________________________________

101.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Colorado, Garfield County: Flat Tops/White River Plateau: Flat Tops Wilderness: Blair Mountain, ca 17 air mi NNW of Glenwood Springs.  Elev. 11200 ft.
T3SR89WS18.  
On rock. Phenology: flowering & fruiting. 

James P. Vanderhorst, 4386.  8/24/1991. 		RM 686077
     with Carlos Palaci
_________________________________________________________________________

102.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Colorado, Gunnison County: Copper Creek Valley, ca 1.5 miles from  Gothic.  Elev. 10034 ft.
South facing slope; limestone biotherm, Gothic formation.  In crevices on walls of limestone cliff with Holodiscus dumosus, Arctostaphylos uva-ursi, Erigeron pinnatisectus and Chrysopis villosa. Phenology: flowering & fruiting. 

Jean H. Langenheim, 3971.  8/29/1954. 		RM 257185
_________________________________________________________________________

103.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Idaho, Clark County: Targhee National Forest: Beaverhead Range: above and W of Heart Canyon, ca 26 air mi NW of Dubois.  Elev. 7800 ft.
T11N R31E S7.  
Open ridgetop, mostly grasses, some scattered Artemisia. 

Stuart Markow, 10156.  7/29/1992. 		 
_________________________________________________________________________

104.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Idaho, Clark County: Targhee National Forest and vicinity: Beaverhead Range: above and E of Deadman Canyon, ca 28 air mi W of Dubois.  Elev. 6600 ft.
T9N R31E S23.  
On limestone outcrop. 

Stuart Markow, 10228.  8/3/1992. 		 
_________________________________________________________________________

105.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Idaho, Lemhi County: Targhee National Forest: Beaverhead Range: Eidelman Canyon, ca 2 air mi SE of Nicholia.  Elev. 8600-8800 ft.
T12N R29E S23.  
Ridgetop above canyon and upper slope. 

Stuart Markow, 6763.  6/1/1992. 		 
_________________________________________________________________________

106.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Idaho, Clark County: Targhee National Forest: Beaverhead Range: above and E of Reno Gulch, ca 27 air mi SW of Dubois.  Elev. 7400-8000 ft.
T9N R32E S18; also S19.  
Ridgetop with mostly grasses and forbs, scattered Pinus flexilis and Pseudotsuga menziesii. 

Stuart Markow, 7859.  6/20/1992. 		 
_________________________________________________________________________

107.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Idaho, Clark County: Targhee National Forest: Western Centennial Mountains: ridge leading to Red Conglomerate Peaks, ca 28 air mi NW of Dubois.  Elev. 9200-9400 ft.
T13N R33E S5.  
Open rocky slopes, dominated by forbs, scattered Pinus flexilis and Pseudotsuga menziesii. 

Stuart Markow, 9987.  7/26/1992. 		 
_________________________________________________________________________

108.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Arizona, Coconino County: Sitgreaves National Forest; rim above Chevelon Creek.  Elev. 6500 ft.
T14N R14E S9.  
Dry limestone plateau; in cracks on limestone bedrock; pinion-juniper type; with Artemisia nova and Cowania mexicana. Phenology: flowering & fruiting. 

Charles P. Pase, 2201.  8/25/1977. 		RM 345787
_________________________________________________________________________

109.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Arizona, Coconino County: Flagstaff.  Elev. 6900 ft.
T21N R7E S16.  
Phenology: flowering & fruiting. 

J. W. Toumey, s.n..  9/5/1894. 		RM 227056
_________________________________________________________________________

110.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Arizona, Cochise County: Huachuca Mountains: Carr Peak.  Elev. 6700-9000 ft.
T23S R20E S22.  31.4132 N, 110.3044 W; uncertainty 1 mi..  
Under limestone cliffs or clinging to their faces in dry places. Phenology: flowering & fruiting. 

Leslie N. Goodding, 847.  8/25/1910. 		RM 74906
_________________________________________________________________________

111.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., New Mexico, Soccorro County: Lincoln National Forest: on ridge near Shelton Canyon Ranch road.  Elev. 4800 ft.
South G. slope; thin limestone soil; with catclaw and Triodia. Phenology: flowering & fruiting. 

Robert D. Morris, M&K-2.  9/1/1932. 		USFS 467047
     with W. G. Koogler
_________________________________________________________________________

112.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Arizona, Coconino County: Coconino National Forest.
Phenology: flowering & fruiting. 

R. E. Bodley, 255.  8/11/1911. 		USFS 467049
_________________________________________________________________________

113.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., New Mexico, Dona Ana County: Jornada Range Reserve: 1/2 miles from top of San Andreas.  Elev. 7500 ft.
45 degree west slope; rocky to loamy soil; browse. Phenology: vegetative only. 

Robert S. Campbell, 574.  8/21/1927. 		USFS 467054
     with R. H. Canfield
_________________________________________________________________________

114.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Arizona, Coconino County: Coconino National Forest: about 1 mile Northwest of Marshall Lake.  Elev. 6850 ft.
Brownish clay loam soil. Phenology: flowering & fruiting. 

W. R. Chapline, 432.  8/25/1912. 		USFS 467048
_________________________________________________________________________

115.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., New Mexico, Otero/Eddy County: Alamo National Forest: ridge 1 mi S of McCollaum's Ranch.  Elev. 7000 ft.
25 degree west slope; shallow loam on limestone rocks; grass-brush. Phenology: flowering. 

William R. Chapline Jr., 487.  10/3/1915. 		USFS 467050
_________________________________________________________________________

116.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Colorado, Garfield County: Flat Tops/White River Plateau: Deep Creek Overlook, ca 12 air mi NE of Glenwood Springs.  Elev. 10000 ft.
T4S R87W S20.  39.6878 N, 107.174 W.  
Top edge of north-facing cliffs and talus slopes above canyon, patches of Pinus flexilis and Pseudotsuga menziesii, and unforested rock. 

James P. Vanderhorst, 1312.  7/23/1990. 		 686081
_________________________________________________________________________

117.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Colorado, Rio Blanco County: Flat Tops/White River Plateau: Flat Tops Wilderness: Park Creek, ca 22 air mi N of Glenwood Springs.  Elev. 9200-10000 ft.
T2S R89W S19; also S20, S21, and S22.  39.8624 N, 107.4186 W.  
Limestone cliffs. 

James P. Vanderhorst, 1674.  8/12/1990. 		 686080
_________________________________________________________________________

118.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Colorado, Garfield County: Flat Tops/White River Plateau: East Elk Creek drainage, ca 12 air mi NW of Glenwood Springs.  Elev. 6500 ft.
T4S R90W S31.  39.6587 N, 107.5315 W.  
At base of limestone cliffs, with oak. 

James P. Vanderhorst, 1958.  8/25/1990. 		 686079
_________________________________________________________________________

119.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Colorado, Garfield County: Flat Tops/White River Plateau: north rim of Deep Creek Canyon around Balixburg Spring, ca 14 air mi NE of Glenwood Springs.  Elev. 9400 ft.
T4S R87W S7.  39.7169 N, 107.1929 W.  
Limestone rimrock, with limber pine, Douglas fir, and Selaginella. 

James P. Vanderhorst, 3516.  7/23/1991. 		 686078
_________________________________________________________________________

120.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Colorado, Garfield County: Flat Tops/White River Plateau: Flat Tops Wilderness: Blair Mountain, ca 17 air mi NNW of Glenwood Springs.  Elev. 11200 ft.
T3S R89W S18.  39.7896 N, 107.4186 W.  
On rock. 

James P. Vanderhorst, 4386.  8/24/1991. 		 686077
     with Carlos Palaci
_________________________________________________________________________

121.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Wyoming Range: Grayback Ridge ca 2.5 air mi NW of Pickle Pass, ca 17.5 air mi ESE of Alpine Junction, ca 30 air mi NE of Afton.  Elev. 9100-9745 ft.
T36N R116W S3.  43.1194 N, 110.672 W; uncertainty 1 mi..  
Limestone cliffs. 

B. E. Nelson, 20496.  8/28/1990. 		RM 1019123	Barcode: RM0303158
_________________________________________________________________________

122.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Teton County: Wyoming/Salt River Ranges: Wyoming Range: Buck Creek to Beaver Mountain.  Elev. 8400-9400 ft.
T38N R115W S10.  43.2711 N, 110.6231 W.  
Limestone ridge with some Douglas fir. 

Ronald L. Hartman, 27821.  8/18/1990. 		RM 1019122	Barcode: RM0303157
_________________________________________________________________________

123.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Wyoming Range: Deadman Mountain trail, 1-2 miles from trailhead; ca 0.1-0.7 air mi N of Deadman Mountain summit.  Elev. 9800-10300 ft.
T35N R116W S15; also S22.  43.0133 N, 110.6686 W.  
Calcareous scree slopes to E on ridge extending S to summit. Phenology: flowering. 

Ronald L. Hartman, 34556.  7/22/1992. 		RM 1013685	Barcode: RM0297053
_________________________________________________________________________

124.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Salt River Range: ridge 1-2 air mi SW of summit of Man Peak; ca 9 air mi E of Thayne.  Elev. 9200-10139 ft.
T34N R117W S5.  42.9597 N, 110.8247 W.  
Limestone ridge with patches of limber pine and subalpine fir. Phenology: flowering & fruiting. 

Ronald L. Hartman, 35901.  8/16/1992. 		RM 1013684	Barcode: RM0297052
_________________________________________________________________________

125.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Salt River Range: Star Peaks, on drainage W of peak 9988 (feet).  Elev. 7800-9000 ft.
T35N R118W S23.  43.0036 N, 110.8817 W.  
Limestone outcrops and loose remnants with islands of grass-herb patches and coniferous forests. Phenology: flowering. 

Ronald L. Hartman, 36684.  8/22/1992. 		RM 1013683	Barcode: RM0297051
_________________________________________________________________________

126.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Sublette County: Wyoming/Salt River Ranges: Wyoming Range: trail to Long Hollow but then straight N up spine of Mount Schidler; ca 2.5 air mi NE of Middle Piney Lake.  Elev. 8400-9400 ft.
T31N R115W S33 NE1/4.  42.6294 N, 110.5408 W.  
Coniferous forests and scree slopes. Phenology: flowering & fruiting. 

Ronald L. Hartman, 36775.  8/24/1992. 		RM 1013682	Barcode: RM0297050
_________________________________________________________________________

127.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Lincoln County: Upper Green River Basin: Cretaceous Mountain/Hogsback Ridge area: Hogsback Ridge: lower slopes on southeast end of Hogsback Ridge, ca 5.7 air mi W of La Barge; ca 35.5 air mi NNE of Kemmerer.  Elev. 7220-7550 ft.
T26N R113W S6 NE1/4.  42.2678 N, 110.31 W.  
Limestone cliffs and pavement. Phenology: flowering & fruiting. 

B. E. Nelson, 26308.  6/23/1993. 		RM 614490	Barcode: RM0257089
     with Russ Nelson
_________________________________________________________________________

128.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Lincoln County: Upper Green River Basin: Cretaceous Mountain/Hogsback Ridge Area: southeastern corner of Hogsback Ridge, ca 22 air mi SW of Big Piney.  Elev. 7200-7600 ft.
T26N R113W S8 NW1/4.  42.2528 N, 110.2903 W.  
Limey, gravelly slopes and calcareous outcrops. Phenology: flowering. 

Ronald L. Hartman, 43807.  8/13/1993. 		RM 614491	Barcode: RM0257482
_________________________________________________________________________

129.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Johnson County: Big Horn Mountains: ca 18.5 air mi WSW of Kaycee, ca 5 mi W of Barnum on Wyo Hwy 190-Barnum Road then on Barnum Mountain Road.  Elev. 7000 ft.
T43N R85W S25 NW1/4.  43.6653 N, 107.0036 W; uncertainty 1 mi..  
On limestone outcrops. Phenology: fruiting. 

B. E. Nelson, 3077.  7/4/1979. 		RM 351833	Barcode: RM0257088
_________________________________________________________________________

130.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

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..  
On limestone cliffs in canyon. Phenology: buds. 

B. E. Nelson, 3243.  7/8/1979. 		RM 351835	Barcode: RM0257087
_________________________________________________________________________

131.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Big Horn County: Big Horn Mountains: rimrock above Trout Creek, ca 34 air mi ESE of Greybull, ca 13 air mi NE of Hyattville, S of Paint Rock Lakes.  Elev. 9000 ft.
T51N R88W S25 SE1/4.  44.3636 N, 107.3931 W; uncertainty 1 mi..  
Limestone cliffs. Phenology: flowering. 

B. E. Nelson, 4893.  8/9/1979. 		RM 351836	Barcode: RM0257086
_________________________________________________________________________

132.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Fremont County: Big Horn Mountains: along Cottonwood Creek on the Lost Cabin-Nowood Road, ca 10.5 air mi N of Lost Cabin, ca 49.5 air mi NE of Riverton.  Elev. 6200 ft.
T40N R90W S13.  43.4364 N, 107.5819 W; uncertainty 1 mi..  
On and around sandstone outcrops. Phenology: flowering & fruiting. 

B. E. Nelson, 5741.  7/7/1980. 		RM 351840	Barcode: RM0257082
_________________________________________________________________________

133.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

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..  
Rock outcrops on sagebrush slope. Phenology: buds. 

B. E. Nelson, 6523.  7/17/1980. 		RM 351838	Barcode: RM0257084
_________________________________________________________________________

134.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Big Horn County: Big Horn Mountains: on the rim of White Creek Canyon, ca 7.5 air mi E of Shell, ca 21 air mi ENE of Greybull.  Elev. 6800 ft.
T53N R90W S36.  44.5283 N, 107.62944 W; uncertainty 1 mi..  
Canyon rim. Phenology: buds. 

B. E. Nelson, 6679.  7/17/1980. 		RM 351839	Barcode: RM0257083
_________________________________________________________________________

135.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

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. 6600 ft.
T49N R83W S28.  44.1864 N, 106.8514 W; uncertainty 1 mi..  
Calcareous cliffs and ledges. Phenology: flowering. 

B. E. Nelson, 6827.  8/6/1980. 		RM 351837	Barcode: RM0257085
_________________________________________________________________________

136.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Fremont County: Absaroka Mountains: ca 11 air mi NE of Dubois, 1.5 mi E of Game and Fish Elk Winter Headquarters.  Elev. 7400-8700 ft.
T43N R105W S32; also S33 and T42N R105W S4 and S5.  43.6482 N, 109.4801 W.  
Sagebrush grasslands (Artemisia tridentata var. wyomingensis) with scattered Pinus flexilis, limestone with occasional cliffs; limestone talus. Phenology: flowering & fruiting. 

Robert S. Kirkpatrick, 2750.  6/21/1984. 		RM 562941	Barcode: RM0062026
_________________________________________________________________________

137.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Sheridan County: Big Horn Mountains; Bighorn National Forest: Freeze Out Point.  Elev. 8300 ft.
T56N R88W S2.  44.8578 N, 107.43083 W; uncertainty 1 mi..  
Limestone outcrops and slopes below. Phenology: buds. 

Ronald L. Hartman, 10280.  7/15/1979. 		RM 351841	Barcode: RM0257481
_________________________________________________________________________

138.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Washakie County: Big Horn Mountains: ca 17 air mi SSW of Big Trails.  Elev. 8000 ft.
T41N R86W S2; also S11.  43.5489 N, 107.1392 W; uncertainty 2 mi..  
Limestone outcrop on west exposure. Phenology: flowering. 

Ronald L. Hartman, 10551.  8/1/1979. 		RM 351834	Barcode: RM0257479
_________________________________________________________________________

139.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

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: flowering & fruiting. 

Ronald L. Hartman, 11198.  5/26/1980. 		RM 351842	Barcode: RM0257480
     with Keith H. Dueholm
_________________________________________________________________________

140.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Lincoln County: Salt River Range: headwaters of Corral Creek, ca 7 mi W of Corral Creek Guard Station.
T31N R117W S16; also S21.  42.6719 N, 110.7689 W; uncertainty 2 mi..  
Rocky slope with scattered Pinus albicaulis. Phenology: flowering. 

Ronald L. Hartman, 11863.  8/11/1980. 		RM 952809	Barcode: RM0318231
     with Leila and John Shultz
_________________________________________________________________________

141.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: Northwest slope of White Rock Mountain, ca 0.25 mi E of east shore of Upper Green River Lake, ca 28 air mi N of Pinedale.  Elev. 8200-9000 ft.
T38N R108W S9; also S10.  43.2708 N, 109.8192 W.  
Open canopy limestone outcrops on west-facing slope. Phenology: flowering. 

Walter Fertig, 11572.  8/17/1991. 		RM 584730	Barcode: RM0257484
_________________________________________________________________________

142.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: Base of western face of White Rock Mountain, adjacent to Highline Trail and east shore of Upper Green River Lake, ca 28 air mi N of Pinedale.  Elev. 8200 ft.
T38N R108W S9.  43.2708 N, 109.8192 W.  
Limestone/shale talus slope. Phenology: flowering. 

Walter Fertig, 4822.  7/30/1990. 		RM 584553	Barcode: RM0257483
_________________________________________________________________________

143.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Natrona County:   Elev. 7700 ft.
T41N R86W S25 SE1/4 of SE1/4.  43.4924 N, 107.1209 W; uncertainty 0.25 mi..  
On limestone rocks with Arenaria obtusiloba and Draba. Phenology: buds. 

Robert D. Dorn, 8050.  7/14/1999. 		RM 643141
_________________________________________________________________________

144.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Hot Springs County: Absaroka Mountains: Owl Creek, ca 1/2 mi S of Middle Fork, 40 mi WNW of Thermopolis.  Elev. 7800 ft.
T43N E101W S16.  
Ridge, limestone outcroppings with Carex rupestris, Haplopappus acaulis and scattered Pinus flexilis. Phenology: fruiting. 

Erwin F. Evert, 38171.  6/30/2000. 		RM 824611	Barcode: RM0023110
_________________________________________________________________________

145.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Montana, Carbon County: Pryor Mountains: Pryor Mountain National Wild Horse Range: on Sykes Ridge or BLM Road 1019 at the state line, ca 37 air mi SE of Bridger.  Elev. 4640-4720 ft.
T9S R28E S33 NE1/4.  45.0145 N, 108.2925 W; uncertainty 0.5 mi., GPS reading.  
Mountain mahogany shrubland with scattered juniper on sandstone-limestone pavement with sandy areas. Phenology: vegetative only. 

B. E. Nelson, 74321.  6/16/2008. 		RM 
_________________________________________________________________________

146.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Montana, Carbon County: Pryor Mountains: Bear Canyon and vicinity, ca 25 air mi SE of Bridger.  Elev. 5340-5400 ft.
T9S R26E S3.  45.088 N, 108.522 W; uncertainty 1 mi., GPS reading.  
Limestone ledges, shelves, and cliffs. Phenology: vegetative only. 

B. E. Nelson, 74560.  6/22/2008. 		RM 
_________________________________________________________________________

147.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Montana, Carbon County: Pryor Mountains: west end of the mountains, ca 9 air mi N or Warren; ca 16 air mi SE of Bridger.  Elev. 5820-6112 ft.
T7S R25E S34 N1/2.  45.1858 N, 108.6454 W to 45.1901 N, 108.651 W; uncertainty 0.5 mi., GPS reading.  
Shallow soil on limestone pavement intermixed with redbeds. Phenology: fruiting. 

B. E. Nelson, 75198.  7/16/2008. 		RM 
_________________________________________________________________________

148.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Montana, Carbon County: Pryor Mountains: Custer National Forest: north rim of the mountains at the west end, ca 9 air mi N of Warren; ca 16 air mi SE of Bridger.  Elev. 6500-6800 ft.
T7S R25E S26 S1/4.  45.1919 N, 108.6255 W; uncertainty 0.5 mi., GPS reading.  
Moist area below low cliff with limber pine and sagebrush. Phenology: fruiting. 

B. E. Nelson, 75277.  7/17/2008. 		USFS 884034	Barcode: USFS0051782
_________________________________________________________________________

149.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Montana, Carbon County: Pryor Mountains: along Red Pryor Mountain Road on 2 air mi SSE of Red Pryor Mountain summit, ca 28 air mi SE of Bridger.  Elev. 6900-7280 ft.
T9S R27E S4 NW1/4.  45.0882 N, 108.4319 W; uncertainty 0.25 mi., GPS reading.  
Stony limestone slopes with bluebunch wheatgrass. Phenology: buds. 

B. E. Nelson, 75639.  7/23/2008. 		RM 
_________________________________________________________________________

150.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Montana, Carbon County: Pryor Mountains: Custer National Forest: tip of Cave Ridge, ca 27 air mi ESE of Bridger.  Elev. 7100-7200 ft.
T8S R27E S10 South 1/4; also S15 N1/4.  45.1468 N, 108.4033 W; uncertainty 0.5 mi., GPS reading.  
Limestone pavement and outcrops in Douglas fir forest on canyon rim. Phenology: flowering. 

B. E. Nelson, 76481.  8/18/2008. 		USFS 884032	Barcode: USFS0051780
_________________________________________________________________________

151.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Montana, Carbon County: Beartooth Mountains: Custer National Forest: along Forest Road 2071 and Forest Road 21478 at intersection, ca 3 air mi SW of Red Lodge.  Elev. 6200-6600 ft.
T8S R20E S6 SE1/4.  45.158 N, 109.3025 W.  zone 12, 633421E, 5001900N; GPS Reading.  
Limestone outcrop. Phenology: fruiting. 

Emily Elliott, 184.  5/21/2007. 		USFS 865397	Barcode: USFS0046813
     with Brian Elliott
_________________________________________________________________________

152.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Montana, Gallatin County: Gallatin Range: Gallatin National Forest: along Buffalo Horn Creek, ca 38-41 air mi S of Bozeman; from Buffalo Horn Trailhead to Tom Miner Trailhead.  Elev. 6600-8420 ft.
T8S R4E S24 SE1/4; also N1/2 S25, South1/2 S26, and T8S R5E S14 South1/2, S16, S19, NE1/4 S22, and NW1/4 S24.  45.1057 N, 111.1984 W; WGS 84, , GPS reading.  
South-facing limestone cliffs and talus. Phenology: vegetative only. 

Emily Elliott, 5762.  7/9/2008. 		USFS 872386	Barcode: USFS0065903
     with Brian Elliott
_________________________________________________________________________

153.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Montana, Madison County: West, above Ruby River Valley: Trudau Lake.  Elev. 5700 ft.
T7S R4W S7 SE1/4.  
Stepped up limestone plateaus with Carex rupestris, Eriogonum ovalifolium, Machaeranthera canescens. Large old carpets of this species. Phenology: flowering. 

Klaus H. Lackschewitz, 10321.  8/23/1982. 		RM 521929
     with Roger Rosentreter
_________________________________________________________________________

154.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Montana, Gallatin County: Rocky Canyon, near Bozeman.
Limestone mountains. Phenology: flowering. 

J. W. Blankinship, s.n..  8/13/1900. 		RM 89844
_________________________________________________________________________

155.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Montana: West Gallatin Canyon.
Phenology: flowering & fruiting. 

D. B. Swingle, s.n..  8/18/1933. 		RM 139968
_________________________________________________________________________

156.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Montana, Madison County: East of Melrose.  Elev. 6200 ft.
Flat ground; thin coarse gravelly soil; limestone hill; with Cer, Ag, sage, Stipa. Phenology: flowering. 

George Hinman, Hi-3.  7/28/1934. 		USFS 467053
_________________________________________________________________________

157.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Montana: Jefferson National Forest: Spring Creek.  Elev. 5400 ft.
T10N R10E S29.  
Southwest slope; rocky waste places, cliffs. Rare. Phenology: flowering. 

Barry C. Park, 41.  8/7/1927. 		USFS 467044
_________________________________________________________________________

158.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Montana: Gallatin National Forest: Wilson-Bear Creek Divide.  Elev. 6800 ft.
South slope; open rocky cliff; growing on rocks. Scarce. Phenology: flowering & fruiting. 

James C. Whitham, 834.  9/17/1931. 		USFS 467046
_________________________________________________________________________

159.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Montana, Gallatin County: Gallatin National Forest: Bald Mountain Trail.  Elev. 7800 ft.
Along trail on nearly vertical southwest slope; in crevices of nearly barren limestone cliff; Rare. Phenology: flowering. 

H. R. Flint, 30-31.  8/1/1931. 		USFS 467045
_________________________________________________________________________

160.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., South Dakota, Lawrence County: Black Hills National Forest: from ca 3.5 mi SW of Savoy, travel SE ca 0.13 mi from Forest Road 222.  Elev. 5598 ft.
T4N R1E S11 NE1/4 NW1/4 NW1/4.  zone 13N, 581892E, 4908810N; NAD 83, Specimen Label.  
Found covering limestone boulder, among ponderosa pine and common juniper. Some of the population was forming flowers, but most was vegetative. Savoy Quad Phenology: vegetative only. 

Daryl E. Mergen, 12ON13C.  6/27/2012. 		USFS 892356	Barcode: USFS0070764
_________________________________________________________________________

161.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Idaho, Custer County: Lost River Range: crest of ridge dividing East Fork and West Fork Pahsimeroi Rivers, 16.0 air mi NNW of Mackay.  Elev. 9170 ft.
T9N R23E S2.  
Dominant population in xeric solid rock on barren ground, 14 degree slope, N  aspect, limestone geology. Phenology: flowering. 

Joshua J. Irwin, 8950.  8/17/2012. 		RM 
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162.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Idaho, Custer County: Vicinity of Willow Creek Summit, 21.2 air mi E of Clayton.  Elev. 7170 ft.
T10N R21E.  44.23075 N, -113.97557 W; NAD83, uncertainty 10 m., Field Notes.  
Bedrock or scree in xeric barren ground vegetation; 10Â° slope, ENE aspect; alluvial geology. Population is dominant throughout the area. Phenology: flowering. 

Joshua J. Irwin, 3716.  8/6/2010. 		RM 
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163.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Idaho, Butte County: Challis National Forest: Lost River Range: lower Ramshorn Canyon, 13 air mi N of Arco.  Elev. 6680 ft.
T6N R27E S30.  43.82391 N, -113.28343 W; NAD83, uncertainty 10 m., Field Notes.  
Bedrock or scree in xeric barren ground vegetation; 14Â° slope, ESE aspect; silty, sandy limestone geology. Greater than 150 individuals apparent. Phenology: flowering. 

Joshua J. Irwin, 4213.  8/15/2010. 		RM 
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164.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A, Idaho, Lemhi County: Salmon National Forest: Salmon River Canyon: Salmon River Road N of USGS Point "Panther 6443", ca 1/4 mi E of the historical marker, 4.8 air mi SW of Shoup.  Elev. 3302 ft.
T23N R18E S9.  
In mesic solid rock on barren ground, 46 degree slope, N aspect, gneiss geology. 25-75 plants estimated. Phenology: flowering & fruiting. 

Joshua J. Irwin, 4879.  6/11/2011. 		RM 
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165.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Salt River Range: north side of Forest Road 10211 (Swift Creek Road).
T32N R118W S29 NW1/4 of SW1/4.  42.73 N, 110.9056 W.  
Rock crevices and cliffs. No elevation given. Phenology: flowering. 

C. H. Refsdal, 123.  8/6/1993. 		RM 
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166.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A, Idaho, Custer County: Challis National Forest: Lemhi Range: tributary gulch at the head of Uncle Ike Gulch, 30.0 air mi ENE of Mackay.  Elev. 8656 ft.
T8N R29E S7.  
25-75 plants estimated in xeric solid rock within shrub-steppe vegetation, 5 degree slope, WSW aspect, limestone geology. 25-75 plants estimated. Phenology: flowering. 

Joshua J. Irwin, 8238.  8/20/2011. 		RM 
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167.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Idaho, Lemhi County: Salmon National Forest: Beaverhead Mountains: lower Railroad Canyon, 4.4 road mi NE of Leadore on Ida Hwy 29.  Elev. 6399 ft.
T16N R27E S18.  44.7131 N, 113.2825 W; NAD 83, , GPS reading.  
Limestone outcrops and talus slope to roadside. Phenology: flowering. 

Ronald L. Hartman, 90978.  8/3/2010. 		RM 
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168.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Montana, Madison County: Tobacco Root Mountains: Dry Boulder Creek, ca 10 air mi NE of Twin Bridges; ca 18 air mi S of Whitehall.  Elev. 6920-7280 ft.
T2S R5W S36 NW1/4 SW1/4; also SW1/4 NW1/4 S36.  45.61805 N, 112.17168 W to 45.62028 N, 112.17138 W; NAD 83, , GPS reading.  
Limestone rock outcrops. Phenology: flowering. 

Emma E. Freeland, 4417.  5/25/2013. 		RM 
     with Nicholas P. Freeland
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169.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., Wyoming, Lincoln County: Southwestern Wyoming and Adjacent Utah: Crawford Mountain: on east flank of the mountain, ca 24 air mi W of Kemmerer.  Elev. 6720-7040 ft.
T20N R120W S8 E1/2.  41.7283 N, 111.0086 W.  
Juniper woodland, limestone substrate, slopes and ridges. Phenology: vegetative only. 

C. H. Refsdal, 407.  5/30/1994. 		RM 690602	Barcode: RM0257074
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170.  Petrophyton caespitosum (Nutt.) Rydb. 				Rosaceae

U.S.A., South Dakota, Lawrence County: Near mouth of Iron Creek, ca 1.5 mi N of Savoy.  Elev. 5000 ft.
44 22.4' N, 103 55.2' W; unknown, , Specimen Label.  
Limestone rock face, with Pellaea. Matted. Phenology: flowering & fruiting. 

Robert D. Dorn, 11870.  9/14/2016. 		RM 937771	Barcode: RM0112300
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