Draba oligosperma (1996)
BRASSICACEAE
Draba oligosperma Hook.
U.S.A., Wyoming, Fremont County: Wind River Range: Fitzpatrick Wilderness Area: flank of Bald Mountain near Little Warm Spring Creek.
Meadow with adjacent forest and limestone outcrops. Phenology: flowering & fruiting.
Accession: USFS 826564, Barcode: RM0009557

Draba oligosperma (1996)
BRASSICACEAE
Draba oligosperma Hook.
U.S.A., Wyoming, Park County: Northern Absaroka Area: 2-3 air mi ENE of Buffalo Bill Dam.
Sandstones and shales near irrigation canal; scattered juniper. Phenology: fruiting.
Accession: RM 826565, Barcode: RM0009538

Draba oligosperma (1996)
BRASSICACEAE
Draba oligosperma Hook.
U.S.A., Wyoming, Park County: Northern Absaroka Area: Sheep Mountain 13-14 air mi SW of Cody (center).
Lower flanks to cut in limestone and plains on northwest corner of mountain. Phenology: fruiting.
Accession: RM 826566, Barcode: RM0009537

U.S.A., Wyoming, Park County: Northern Absaroka Area: Hogan Reservoir N and W at base and slopes of Bald Ridge.
Limestone slap and talus. Phenology: fruiting.
Accession: USFS 826567, Barcode: RM0009558

U.S.A., Wyoming, Park County: Northern Absaroka Area: southeast end of Rattlesnake Mountain.
Limestone outcrops and rocky slopes. Phenology: fruiting.
Accession: USFS 826568, Barcode: RM0009559

U.S.A., Wyoming, Park County: Northern Absaroka Area: Sheep Mountain, north-central access from 0.8-1.1 air mi S of County Road 6FU on west branch of central drainage.
Along stream though limestone canyon with some open, grassy areas. Phenology: fruiting.
with David Rosenthal
Accession: RM 826569

U.S.A., Wyoming, Fremont County: Wind River Range: Fitzpatrick Wilderness Area: Old Glacier Trail to Arrow Mountain.
Top and slopes of mountain; alpine meadow and rocky slopes. Phenology: fruiting.
Annotations:
2. Draba oligosperma Hook.
Annotated by Ihsan H. Al-Shehbaz on 11//2012.
1. Draba oligosperma Hook. var. oligosperma
Annotated by David Rosenthal.
with David Rosenthal
Accession: RM 826570

U.S.A., Wyoming, Park County: Northern Absarokas: Bald Ridge above Clarks Fork Yellowstone River, ca 23 air mi NW of Cody.
Elev. 7200 ft.
Limestone outcrops and cliffs with Kelseya. Phenology: fruiting.
Accession: RM 826519, Barcode: RM0009560

U.S.A., Wyoming, Park County: Northern Absarokas: basin ca 1.5 mi SE of Dead Indian Pass, ca 20.5 air mi NW of Cody.
Elev. 7500 ft.
Knoll with limestone in redbeds. Phenology: fruiting.

U.S.A., Wyoming, Park County: Northern Absarokas: on the Reef, ca 2 mi NE of Cathedral Cliffs, ca 33 air mi NW of Cody.
Elev. 7500 ft.
Slopes and below limestone cliffs. Phenology: fruiting.

U.S.A., Wyoming, Park County: Northern Absaroka Area: Shoshone National Forest: slopes, drainage, and unnamed peaks on north side of entrance to Sunlight Basin, NE of White Mountain, ca 24 air mi NE of Cody.
Rocky ridge and outcrops, moist slopes. Phenology: fruiting.
Annotations:
2. Draba oligosperma Hook.
Annotated by Ihsan H. Al-Shehbaz on 11//2012.
with Cathy Binger
Accession: RM 826534

U.S.A., Wyoming, Park County: Northern Absaroka Area: Shoshone National Forest: unnamed meadow, slopes, and plateau, S of Chief Joseph Hwy ca 1 mi SE of Dead Indian Pass; Forest Road leading to Dry Creek Road.
Montane meadow, with sagebrush slopes to spruce/fir forest ecotone. Phenology: fruiting.
Annotations:
2. Draba oligosperma Hook.
Annotated by Ihsan H. Al-Shehbaz on 11//2012.

U.S.A., Wyoming, Park County: Northern Absaroka Area: Shoshone National Forest: unnamed meadow, slopes, and plateau, S of Chief Joseph Hwy ca 1 mi SE of Dead Indian Pass; Forest Road leading to Dry Creek Road.
Spruce/fir forest to ridge with limestone outcrops. Phenology: fruiting.

U.S.A., Wyoming, Fremont County: Wind River Range: Fitzpatrick Wilderness Area: Whiskey Basin Wildlife wintering area, along trail going W and off trail, across wilderness boundary on old trail to Noon Rocks, ca 3.5 air mi S of Dubois.
Pine/spruce forest several years after burn; on calcareous substrate with limestone outcrops. Phenology: fruiting.

U.S.A., Wyoming, Fremont County: Wind River Range: Fitzpatrick Wilderness Area: Shoshone National Forest: Whiskey Basin Wildlife wintering area, along trail going W and off trail up ridge to Noon Rocks, ca 3.5 air mi S of Dubois.
Ridge top, rocky slopes, limestone with Geum, Smelowskia, Polemonium. Phenology: fruiting.

U.S.A., Wyoming, Fremont County: Wind River Range: Shoshone National Forest: along South Fork Warm Springs Creek, ca 0.5 mi N of Continental Divide on Union Pass Road, ca 12.5 air mi WSW of Dubois.
Alpine meadow with dry rocky ourcrops and along creek; scattered vernal pools. Phenology: flowering & fruiting.
with Cathy Binger

U.S.A., Wyoming, Fremont County: Wind River Range: Fitzpatrick Wilderness Area: Shoshone National Forest: junction of Whiskey Mountain and Ross Lake trails, ca 7 air mi S of Dubois.
Rocky ridges and slopes and alpine meadows; calcareous. Phenology: fruiting.
with Cathy Binger

U.S.A., Wyoming, Fremont County: Wind River Range: Fitzpatrick Wilderness Area: Shoshone National Forest: along drainage leading to Hidden Lake and trail to north end of Ross Lake, ca 8 air mi SSE of Dubois.
Along shoreline with some dry rocky outcrop to drainage. Phenology: fruiting.

U.S.A., Wyoming, Park County: Northern Absaroka Area: Shoshone National Forest: Ishawooa Mesa Trail, ca 28 air mi SW of Cody.
Vegetated rocky slopes, rocky windswept ridge with some forested area on leeward slopes. Phenology: fruiting.

U.S.A., Wyoming, Park County: Northern Absaroka Area: Shoshone National Forest: Ishawooa Mesa Trail along ridge to peak 10290, ca 28 air mi SW of Cody.
Alpine meadow and down to treeline. Phenology: fruiting.

U.S.A., Wyoming, Park County: Northern Absaroka Area: Shoshone National Forest: Northern Absaroka Wilderness: 0.5 mi W of Eagle Creek Campground on U.S. Hwy 14, 16, & 20, up Mormon Creek to Sleeping Giant Mountain, ca 39 air mi W of Cody.
Alpine meadow, ridges and slopes, and volcanic rocky outcrops. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Wind River Range: Shoshone National Forest: intersection of Wildcat Road and Warm Spring Creek; Old Warm Spring cattle driveway, ca 7.5 air mi SW of Dubois.
Limber pine slopes and meadows leading to VABM 10522 Geyser. Phenology: fruiting.

U.S.A., Wyoming, Fremont County: Wind River Range: Shoshone National Forest: Continental Divide to Union Peak from intersection of unnamed creek and 4wd trail ca 0.5 mi E of Union Pass Road, ca 11 air mi SW of Dubois.SE1/4
Alpine ridge crest with sheltered rock outcrops and slopes to the peak. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Northern Absaroka Area: Shoshone National Forest: footslope of unnamed peaks on north side of entrance to Sunlight Basin, ca 24 air mi NE of Cody.
Forested slopes with mostly Douglas fir and some pine and spruce; some meadows and rocky outcrops. Phenology: fruiting.

U.S.A., Montana, Carbon County: Beartooth Mountains: Meeteetse Spires along west side of Meeteetse Trail Road, ca 5 mi S of Red Lodge.
Around and on limestone palisades with Shoshonea pulvinata, Kelseya uniflora, Carex rupestris and Arctostaphylos uva-ursi. Phenology: fruiting.

U.S.A., Montana, Carbon County: Beartooth Mountains: along access road to North Fork Grove Creek Trail just W of the Meeteetse Trail Road, ca 6 mi S of Red Lodge.
Douglas fir woodland with Festuca idahoensis, Artemisia tridentata and Clematis columbiana var. tenuiloba on limestone substrate. Phenology: fruiting.

U.S.A., Idaho, Fremont County: Targhee National Forest: Centennial Mountains: summit of Sawtell Peak, ca 10 mi NNW of Island Park.
Treeless and tundra-like with Lomatium cous, Potentilla diversifolia, Carex elynoides and Dodecatheon pulchellum.
Accession: RM (unaccessioned)

U.S.A., Montana, Gallatin County: Madison Range: Gallatin National Forest: north end and summit of Boat Mountain, ca 3 mi N of Hebgen Lake, ca 28 mi WNW of West Yellowstone.
Openings in spruce-fir forest on limestone outcroppings and talus, prominent species included Haplopappus suffruticosus and Telesonix heucheriformis. Phenology: fruiting.

U.S.A., Montana, Gallatin County: Gallatin Range: Gallatin National Forest: south slopes of Ramshorn Peak near summit, ca 4 mi NW of Tom Miner Campground.
Alpine meadow just above timberline with Lomatium cous, Geum rossii, Trifolium haydenii, and Myosotis alpestris. Phenology: flowering.

U.S.A., Montana, Stillwater County: Beartooth Mountains: Custer National Forest: ca 1 1/2 mi N of Chrome Lake near the head of Nye Creek, ca 5 mi S of Nye.
Openings in whitebark pine woodland on calcareous substrates with Carex rupestris and Aquilegia jonesii. Phenology: fruiting.

U.S.A., Wyoming, Teton County: Teton Range: Grand Teton National Park: Rendezvous Mountain: 0-0.5 mi W of ski-tram summit building.
Ridge top, rocky tundra and krummholz on clacareous substrate with Antennaria aromatica, Carex rupestris, and Dryas octopetala. Phenology: flowering & fruiting.
with Yolanda Evert

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: south slope of Ed Young Mountain from Forest Road 352, ca 14.5-15.5 air mi S of Lander; ca 9.5-10.5 air mi N of Atlantic City.
Limestone rimrock and areas just back from rimrock. Phenology: flowering & fruiting.
with Rob Massatti & Rachel Newton

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: above Pine Creek, Little Pine Creek, and along a tributary of Dead Ox Creek, ca 4 air mi W of South Pass City; ca 26 air mi S of Lander.
Rocky slope. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: on Forest Road 313 on the divide between Big Hermit Gulch and into the Willow Creek drainage, ca 4 air mi W of Atlantic City; ca 22 air mi S of Lander.
Rock outcrops. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: Peabody Ridge and into Placerita Gulch S of Forest Road 322, 1-1.5 air mi W of Miners Delight; ca 21 air mi S of Lander.
Rock outcrops. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: E of Sharps Meadows Creek along the Lander Cutoff California and Oregon Trail, ca 6 air mi SW of South Pass City; ca 30 air mi SSW of Lander.
Stony areas in sagebrush steppe. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: on Anderson Ridge above Gold Creek, ca 5 air mi N of South Pass; ca 28.5 air mi SSW of Lander.
Mafic dike with decomposed areas. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: base of Indian Ridge, ca 9 air mi SW of Lander.
Sagebrush grassland/grassland mosaic on rocky limestone substrate. Phenology: fruiting.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: ca 15 mi NW of High Spring, ca 20 air mi S of Lander.
Small opening in Douglas fir/limber pine canopy on rocky limestone substrate. Phenology: fruiting.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: west slope of Warm Spring Moutain, ca 8 air mi WNW of Dubois.
Meadow on rocky limestone substrate. Phenology: fruiting.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: junction of Slate Creek and Forest Road 300, ca 21 air mi S of Lander.
Rocky granite substrate with mixed sagebrush grassland, conifer groves, and sparse vegetation. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: Whiskey Mountain and vicinity, ca 7 air mi S of Dubois.
Sagebrush grassland. Phenology: fruiting.

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.
Juniper woodland/sagebrush grassland on steep slopes beneath limestone cliffbands. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: Tayo Park to Coon Lake to Wind River Peak to Deep Creek Lakes, ca 16 air mi WSW of Lander.
Rocky alpine meadow. Phenology: fruiting.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: Dry Creek Ridge, ca 24 air mi SES of Dubois.
Rocky alpine meadow. Phenology: fruiting.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: Deep Creek drainage and vicinity, ca 16 air mi SSE of Lander.
Rocky north-facing slope and ridgetop with Populus tremuloides regeneration, scattered Pinus flexilis, and Artemisia tridentata var. vaseyana and Purshia tridentata throughout. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: ca 1 mi S of Pine Spring, ca 17 mi S of Lander.
Limestone pavement interspersed with limestone cliffs and patches of aspen, limber pine, and Douglas fir. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: ca 3 mi SSE of Torrey Lake, ca 9 air mi S of Dubois.
Gravelly/rocky limestone substrate supporting depauperate Douglas fir/limber pine forest. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: ca 2 mi NE of Windy Mountain, ca 3 air mi SW of Dubois.
Coniferous forest with occassional canopy openings. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: south end Limestone Mountain, ca 17 air mi S of Lander.
Limestone ridge dominated by scattered forbs and grasses. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: Fairfield Hill and Timber Top, ca 6 air mi SW of Lander.
Limber pine/Douglas fir woodland on rocky limestone substrate. Phenology: fruiting.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: Suicide Point and vicinity, ca 11 air mi WSW of Lander.
Limber pine/Douglas fir woodland with occassional aspen groves on rocky limestone substrate. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: ca 1 mi S of Atlantic City.
Sagebrush steppe. Phenology: flowering.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: ca 2 air mi SW of South Pass City.
Sagebrush steppe and rocky granite outcrop. Phenology: flowering.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: ca 1 mi SW of Limestone Mountain; ca 4 air mi NW of Miners Delight.
Mixed lodgepole and limber pine forest with sagebrush steppe, granite substrate. Phenology: flowering.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: ca 3 mi SW of Weiser Knoll; ca 15 air mi SSE of Lander.
Rocky meadow on limestone. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: Miners Delight and vicinity, ca 21 air mi S of Lander.
Rocky meadow on granite-derived substrate. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: junction of Oregon Trail and Sweetwater River, ca 10 air mi WSW of South Pass City.
Rocky meadow and riparian streamsides. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: Pine Creek, Gold Creek and vicinity at forest boundary, ca 5 air mi WNW of South Pass City.
Sagebrush steppe. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: Willow Creek and Shields Mine, ca 1 air mi SE of South Pass City.
Sagebrush steppe. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: Rock Creek, ca 2 mi WNW of Rock Creek Reservoir; ca 20 air mi SSW of Lander.
Sagebrush steppe. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: ca 1 mi SE of Wolf Point; ca 13 air mi S of Lander.
Limestone outcrop. Phenology: fruiting.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: Arrow Mountain and vicinity, ca 5 mi S of Torrey Lake.
Rocky alpine meadow on limestone substrate. Phenology: fruiting.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: Burnt Gulch to Freak Mountains, ca 10 air mi SSW of Lander.
Sedimentary rock outcrops. Phenology: fruiting.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: Windy Mountain, ca 5 air mi WSW of Dubois.
Talus mountain top with scattered soil pockets. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: Geyser Creek, Canyon Creek, and Geyser Peak, ca 7 air mi W of Dubois.
Dry rocky meadow dominated by graminoids. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: Geyser Creek Park, ca 6 air mi W of Dubois.
Dry rocky meadow on limestone substrate dominated by graminoids. Phenology: fruiting.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: Hailey Pass and vicinity, ca 15 air mi WNW of Shoshone Lake.
Dry and rocky alpine meadows. Phenology: fruiting.

U.S.A., Wyoming, Park County: Summit of north end of Clay Butte near Beartooth Butte.
44.9445° N, 109.6265° W; NAD 83, uncertainty 0.25 mi., Digital Map
Phenology: flowering & fruiting.
Annotated by Lawton Fox in 1993.

U.S.A., Wyoming, Fremont County: Wind River Range: South Fork of Warm Springs Creek, ca 18 mi NW of Dubois.
43.5583° N, 109.8697° W; NAD 83, uncertainty 1 mi., Digital Map
Dry limestone slopes in canyon. Phenology: fruiting.

U.S.A., Wyoming, Sweetwater County: Above Red Creek Ranch, Little Mountain.
Along rim edge, cushion plant community. South of conifer forest in rocky soil. Phenology: spores.

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: 0.1-0.6 air mi S of Fontenelle Gap; ca 19 air mi W of Fontenelle Reservoir Dam.
Rolling hills with sagebrush-grassland and scattered stands of Douglas fir, limber pine, and aspen; shale and clays and limestone. Phenology: flowering & fruiting.
with Bruce Embury

U.S.A., Wyoming, Sublette County: Wyoming/Salt River Ranges: Wyoming Range: McDougal Gap, 20.5 air mi NE of Afton.
South facing slopes, spruce-fir-aspen, wind swept ridge. Phenology: fruiting.

U.S.A., Wyoming, Sublette County: Wyoming/Salt River Ranges: Wyoming Range: Willow Creek Drainage: ridge at pass for trail from Adams Creek N 0.5 mi towards Ramshorn Peak (to within 1 mi); ca 11 air mi SE of Hoback Junction.
Subalpine/alpine meadow with limestone and some shale and red beds.

U.S.A., Wyoming, Sublette County: Wyoming/Salt River Ranges: Wyoming Range: Adams Creek Pack Trail pass, 1.5 air mi SSW of Ramshorn Peak S to peak 10315 elevation.
Limestone outcrops and alpine/subalpine meadow with scattered whitebark pine and Engelmann spruce.

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Salt River Range: ridge N and W of Corral Creek Lake; ca 7.5 air mi ESE of Afton.
Limestone ridge. Phenology: fruiting.

U.S.A., Wyoming, Sublette County: Wyoming/Salt River Ranges: Wyoming Range: Jamb Creek and slopes of ridge to N; ca 2 air mi ESE of Hoback Peak.
Grassy slopes and summit, vegetation low and sparce above. Phenology: fruiting.

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Wyoming Range: Deadman Mountain trail, 1-2 miles from trailhead; 0.5 mi N to summit of Deadman Mountain.
Limestone ridge with whitebark pine and Douglas fir. Phenology: fruiting.

U.S.A., Wyoming, Sublette County: Wyoming/Salt River Ranges: Wyoming Range: Lookout Mountain at west end of Beaver Ridge on North Fork Dry Beaver Creek; ca 25 air mi WNW of Daniel Junction.
Grassy areas and ridge. Phenology: fruiting.

U.S.A., Wyoming, Sublette County: Wyoming/Salt River Ranges: Wyoming Range: Horse Mountain, northwest slope to summit and SE to highpoint with elevation 10,172 feet; ca 25 air mi NNW of Daniel Junction.
Open grassy ridge with rock outcrops and loose rocky slopes to the southwest. Phenology: fruiting.

U.S.A., Wyoming, Sublette County: Wyoming/Salt River Ranges: Wyoming Range: south peak of Triple Peak; ca 26 air mi SW of Daniel Junction.
Grassy slopes and limestone outcrops. Phenology: fruiting.

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Wyoming Range: Mount McDougal between peaks 10682 and 10742 (feet) and N to top of ridge overlooking Gunsight Pass; 2-3 air mi NNW of McDougal Gap.
Rocky (limestone) slopes and summit with patches of whitebark pine, subalpine fir, and Engelmann spruce. Phenology: fruiting.

U.S.A., Wyoming, Sublette County: Wyoming/Salt River Ranges: Salt River Range: Deadline Ridge, ca 21 air mi SW of Big Piney.
Limestone outcrop and rocky slope. Phenology: fruiting.

U.S.A., Wyoming, Sublette County: Wyoming/Salt River Ranges: Wyoming Range: Northern end of Mount Darby.
Grassy to gravelly slopes. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: Ca 6 air mi N of Medicine Bow.
41.9797° N, 106.1214° W; unknown, uncertainty 1 mi.
Sandstone ridge with rock outcrops and surrounding slopes. Dominated include: Artemisia tridentata, Tetrademia canescens, and Cercocarpus montanus. Phenology: flowering.
with Keith H. Dueholm

U.S.A., Wyoming, Park County: Northern Absaroka: south end of Woody Ridge to Republic Pass.
Alpine meadows, rock outcrops, and talus slopes. Phenology: flowering & fruiting.
Annotated by Robert A. Price in 1989. University of California, Berkeley.
with B. E. Nelson

U.S.A., Wyoming, Sweetwater County: Ca 2 air mi SE of Pine Mountain at Colorado state line.
Sandy slopes and ridge with scattered pines and service berry. Phenology: flowering & fruiting.
with B. E. Nelson

U.S.A., Wyoming, Fremont County: Near South Pass, 5.5 mi SE of Wyo Hwy 28 on Road 445 to Oregon Buttes.
Windswept sandy/gravelly soil, near edge of cliffs, with scattered pines. Petals yellow, basal leaves rosulate, most plants less than 1 cm tall. Phenology: fruiting.

U.S.A., Wyoming, Park County: Beartooth Mountains: Beartooth Plateau: Shoshone National Forest: ca 17.5 air mi SSW of Red Lodge along U.S. Hwy 212, starting at the Beartooth Loop Trailhead going N along the plateau.
Alpine meadow in rocky decomposing granite. Phenology: flowering.
with Melanie Shade
Accession: RM 861726, Barcode: USFS0043033

U.S.A., Montana, Meagher County: Little Belt Mountains: southwest corner of Newlan Creek Reservoir, southeast end of dam and about boat ramp.
Elev. 1606 m.
Cut hillside about dam, terraced; shale/quartzite in Pinus ponderosa woodland; 0-30% slope; northwest aspect. Phenology: fruiting.
Accession: RM (unaccessioned)

U.S.A., Wyoming, Park County: Beartooth Mountains: west side of Clay Butte ridge, 1 mi W of Beartooth Butte summit.
Bands of Geum turf on upper steep rocky limestone slopes, west aspect, 10-35% slope, with Geum rossii, Carex elynoides, Oxytropis deflexa var. foliolosa. Phenology: flowering.

U.S.A., Colorado, Summit County: Front Range: Arapaho National Forest: Boreas Pass and Hoosier Ridge, ca 6 air mi SE of Breckenridge.
Rocky alpine meadows and talus slopes. Phenology: fruiting.
Michael K. Kirkpatrick, 3998b. 8/5/2010.
Accession: RM (unaccessioned)

U.S.A., Montana, Gallatin County: Bridger Range: just N of the summit of Sacagewa Peak, ca 17 mi N of Bozeman.
T2N R6E S27 NW1/4
Open, treeless with much bare ground on limestone substrate dominated by: Dryas octopetala, Lloydia serotina, Carex rupestris and Antennaria aromatica. Phenology: vegetative only.

U.S.A., Montana: Mount Bridger.
Limestone shingle. Phenology: vegetative only.
Annotated by Lawton Fox in 1993.
J. W. Blankinship, s.n.. 7/5/1905.

U.S.A., Montana, Madison County: Beaverhead National Forest.
T10S R2W S7 NE1/4
Slope 25% east southeast; clay loam soil; disturbed areas. Phenology: vegetative only.
Anthony B. Evanko, ABE-120. 7/14/1950.
Accession: USFS 460781

U.S.A., Montana, Gallatin County: Bozeman.
Limestone cliffs. Phenology: vegetative only.
Annotated by Lawton Fox in 1993.

U.S.A., Montana: Bridger Mountains.
Phenology: vegetative only.

U.S.A., Montana, Madison County: Gravelly Range: Devil's Lane, 1 mi S of Crockett Lake.
Limestone outcrop. Phenology: vegetative only.
C. Leo Hitchcock, s.n.. 7/19/1945.
with C. V. Muhlick

U.S.A., Montana, Beaverhead County: Red Butte, near Dell Mountain.
T13S R9W S3 SW1/4
Upper west and east slopes; on dry crest; with Arenaria, Eriogonum mancum. Common. Phenology: fruiting.
Klaus H. Lackschewitz, 10710. 6/3/1984.
with John Pierce

U.S.A., Montana, Beaverhead County: Big Sheep Creek Road.
West slopes; limestone; with Pinus flexilis, Artemisia tridentata. Phenology: fruiting.
Klaus H. Lackschewitz, 10692. 6/1/1984.
with John Pierce

U.S.A., Montana, Lewis and Clark County: Rogers Pass: W above Highway 200.
South to southeast slopes; dry rock outcrops. Phenology: vegetative only.
Klaus H. Lackschewitz, 10119. 7/25/1982.
with David Ramsden

U.S.A., Montana, Granite County: Flint Creek Range: Racetrack Peak.
Rounded mountain summit. Phenology: flowering & fruiting.

U.S.A., Montana, Ravalli County: Bitterroot Mountains: Saint Mary's Peak.
Crevices of rocks, primarily below summit. Pulvinate; fruiting branches scapose; sepals yellowish; petals yellow. Phenology: flowering & fruiting.
with Kathryn W. Rollins, Klaus Lackschewitz, Peter Lesica, Aileen Roads

U.S.A., Montana, Chouteau County: Lewis and Clark National Forest: Home Gulch.
Slope bottom; moist loam soil. Fairly abundant. Phenology: flowering.
Accession: USFS 460695

U.S.A., Montana, Broadwater County: Helena National Forest: north end of mountain.
T7N R5E S21
Fescue grassland; level slope; shallow, brown, rocky soil; associated with Oxytropis sp, Phlox caespitosa, Poa cusickii, Agropyron spicatum, Festuca idahoensis. Locally common. Phenology: flowering & fruiting.
Peter F. Stickney, PFS-164. 5/28/1958.
Accession: USFS 460775

U.S.A., Montana, Lewis and Clark County: Helena National Forest: Flexicaulis Ridge 1 1/10 mi ESE of Red Mountain, 10 8/10 mi N of Lincoln.
Slope 55% southeast; open exposed ridge, subalpine fellfield; associated with Arctostaphylos uva-ursi. Infrequent abundance; spirally twisted fruits. Phenology: fruiting.

U.S.A., Montana, Madison County: Beaverhead National Forest: Warm Springs Creek Road.
T9S R3W S13 SW1/4
Slope 10% south; immature, shallow, rocky soil; mountain herbland associated with Phlox caespitosa, Douglasia montana, Poa secunda, and Lomatium sp. Abundant; sulphur yellow flowers. Phenology: flowering & fruiting.

U.S.A., Montana, Gallatin County: Gallatin National Forest: Lyman Creek on Limestone Rocker.
Level slope; lime rocks soil; open rock cliff. Common. Phenology: fruiting.

U.S.A., Montana: Beaverhead National Forest: Vipond Creek.
West slope; depp gravelly loam soil; associated with Festuca, Sieversia, Aster, and Erythronium. Rare. Phenology: fruiting.

U.S.A., Montana: Beaverhead National Forest.
Shallow limestone soil; grassland; ridgetop; associated with Festuca and wheatgrass. Scarce. Phenology: fruiting.

U.S.A., Montana: Madison National Forest: Upper Madison Valley.
Phenology: flowering.

U.S.A., Montana, Jefferson County: Doherty Mountain, ca 4 air mi NE of Cardwell.
T2N R2W S29
Limestone ridges and ledges, limber pine/mountain mahogany community. Phenology: flowering & fruiting.
James P. Vanderhorst, 4902. 6/2/1993.

U.S.A., Montana, Madison County: Beaverhead National Forest: Warm Springs Road.
Elev. 2080 m.
T9S R3W S14 SE1/4
Slope 10% southwest; gravelly sandy loam soil; grassland associated with Antennaria, Phlox, Festuca idahoensis, Agropyron spicatum, and Happlopappus falcatus. Yellow flowers. Phenology: flowering.
with A. L. Roe

U.S.A., Montana, Gallatin County: Bozeman.
Limestone sliffs. 2 collection dates and locations listed, 1 sheet. Phenology: flowering & fruiting.

U.S.A., Montana, Park County: Livingston.
2 collection dates and locations listed, 1 sheet. Phenology: flowering & fruiting.

U.S.A., Montana: Bridger Mountains.
Phenology: flowering.
with Ernst A. Bessey

U.S.A., Montana: Madison Range: Lone Mountain.
Phenology: fruiting.
J. W. Blankinship, s.n.. 8/9/1905.

U.S.A., Montana, Gallatin County: Gallatin National Forest.
T2S R7E S32
Phenology: flowering.

U.S.A., Montana, Gallatin County: Gallatin National Forest: near Taylor Fork.
T9S R3E S2
Top of ridge; rocky with clay soil; associated with Agropyron, Phlox, Astragalus. Not common. Phenology: fruiting.

Draba oligosperma ()
U.S.A., Montana, Gallatin County: Bozeman.
Collector's name illegible. Phenology: fruiting.
, 1898. //.

U.S.A., Montana, Gallatin County: Horseshoe Hills: 10 mi N of Manhattan.
Graxed rangeland; north slopes. Very abundant. Phenology: flowering.

U.S.A., Montana: Bridger Mountains.
with Ernst A. Bessey

Phenology: flowering & fruiting.
with Ernst A. Bessey

U.S.A., Montana, Madison County: Beaverhead National Forest: Warm Springs road.
T9S R3W S14
Slope 15% west; clay loam soil; grassland along road. Phenology: flowering & fruiting.

U.S.A., Montana, Beaverhead County: Bitterroot Range: on Continental Divide, above Ajax Lake.
Cirque; on granitic talus and rock. Phenology: flowering & fruiting.
with C. V. Muhlick

U.S.A., Montana, Gallatin County: Hyalite Peak.
Alpine slope with Mertensia, Ivesia, and Carex. Rare. Phenology: flowering.

U.S.A., Montana: Jefferson National Forest.
Dry soil. Phenology: flowering.

U.S.A., Montana, Madison County: Monida.
On stony, gravelly hilltops. Phenology: flowering & fruiting.
with Elias Nelson

U.S.A., Montana, Granite County: Rough Fescue Ridge.
Dry limestone outcrop. Common. Phenology: flowering & fruiting.

U.S.A., Montana: Lewis and Clark National Forest.
West slope; dry, rocky soil. Phenology: flowering.
Price Townsend, 9. 6/1/1911.

U.S.A., Montana: Jefferson National Forest.
T9N R10E S15
South slope; dry, gravelly soil; associated with wild flax, Poa sandbergii, Koeleria cristata. Phenology: flowering & fruiting.

U.S.A., Montana, Carbon County: East Pryor Mountain.
Pinus/Pseudotsuga with Phycocarpus understory to Artemisia/Poa. Phenology: fruiting.

U.S.A., Montana, Carbon County: Summit of East Pryor Mountain.
T8S R28E S16
Windswept calcarious ridge. Phenology: flowering & fruiting.

U.S.A., Montana, Carbon County: Lower slopes of East Pryor Mountain.
Calcareous slope in Pseudotsuga/Pinus cover class. Phenology: flowering & fruiting.

U.S.A., Montana, Carbon County: Summit of East Pryor Mountain.
Herbaceous meadows. Phenology: fruiting.

U.S.A., Montana: Deerlodge National Forest: on top of the Continental Divide, near the 1/4 corner of the west side of S33.
T1S R7W S33
Rocky shallow soil; associated with larkspur, pentstemon, pine-grass, etc. Very abundant. Phenology: flowering & fruiting.

U.S.A., Montana, Madison County: Monida.
Phenology: flowering & fruiting.
with Elias Nelson

U.S.A., Montana, Madison County: Monida.
with Elias Nelson

U.S.A., Montana, Gallatin County: Bridger Range, S of Baldy Mountain.
Rocky summit, top of ridge. Phenology: flowering.

U.S.A., Montana, Madison County: Gravelly Range: Devil's Lane, 1 mi S of Crockett Lake.
Limestone outcrop. Phenology: fruiting.
with C. V. Muhlick

U.S.A., Montana, Fergus County: Big Snowy Mountains: mouth of Half Moon Canyon.
Top of cliffs. Petals sulphur yellow. Phenology: flowering & fruiting.

U.S.A., Montana, Broadwater County: White Sulphur Springs-Townsend road: summit of divide.
Barren shale outcrop. Phenology: fruiting.

U.S.A., Montana, Flathead County: Flathead Range: Bob Marshall Wilderness: summit of mountains above Sock Lake: Continental Divide, "N-Wall".
Dry summit and slopes. Scattered. Phenology: fruiting.

U.S.A., Montana, Meagher County: Eastern base of Castle Mountains, ca 10 mi W of Castle City.
Limestone outcrop. Phenology: fruiting.

U.S.A., Montana: Helena National Forest.
T6N R2W S12
Southwest slope; moist, shallow, roaky loam soil; associated with Poa, Festuca, loco, Erigeron, and Arabis. Fair abundance. Phenology: flowering.

U.S.A., Montana, Golden Valley County: Big Coulee Ranch, just E of reseeding area (Big Coulee Creek is in central, southern part of Montana).
Slope 30% north; shallow loam gravelly soil; grassland associated with Agropyron spicatum and Poa secunda. Phenology: flowering.

U.S.A., Montana, Meagher County: Western edge of Little Belt Mountains: Rimrock Ridge.
Broken limestone on top of ridge. Flowers yellow - fading to white. Phenology: flowering & fruiting.

U.S.A., Montana, Gallatin County: Bridger Canyon.

U.S.A., Montana, Beaverhead County: Lima.
Mountains. Phenology: fruiting.

U.S.A., Montana, Beaverhead County: Near Lima.
Mountain. Phenology: fruiting.

U.S.A., Montana, Beaverhead County: Armstead.
Very dry limestone hillside. Phenology: fruiting.
with Lois B. Payson

U.S.A., Wyoming, Fremont County: Wind River Mountains: South Pass area, north side of Pine Creek, ca 3.5 air mi SW of South Pass City.
Barren pegmatite outcrop area. With Boechera pusilla. Uncommon. Phenology: fruiting.

U.S.A., Wyoming, Lincoln County: Bridger-Teton National Forest: Salt River Range: Greysalt Peak area, ca 10 air mi ESE of Smoot.
Rocky ridgecrest in sandstone fractures and thin soil. With Erigeron compositus, Poa secunda var. incurva, Sedum debile. Uncommon. Phenology: fruiting.

U.S.A., Wyoming, Albany County: Medicine Bow National Forest: Gap Lakes, 20 km W of Centennial.
zone 13, 391580E, 4580900N; Specimen Label
Engelmann spruce treeline habitat. Phenology: fruiting.

U.S.A., Wyoming, Fremont County: 39 mi SW of Lander.
Near large boulders and massive rock outcrops. Common. Phenology: flowering & fruiting.
with Kathryn W. Rollins

U.S.A., Wyoming, Fremont County: Near Shoshone National Forest.
Limestone ridges and outcrops with Townsendia leptotes, Lesquerella fremontii, PENS. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Shoshone National Forest: on northwest side of point "10170" on Clay Butte Ridge.
T58N R104W S1; also S2
Steep fine-gravel talus from white "clay" rock. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Trough Springs.
Frequent on limestone cliff with Cheilanthes and Cymopterus. Phenology: fruiting.

U.S.A., Wyoming, Fremont County: Limestone Mountain.
Frequent on limestone outcropping in crevices with Lesquerella fremontii and Senecio.

U.S.A., Wyoming, Fremont County: Top of Limestone Mountain Triangulation Station, S of Beaver Creek.
Big Horn Dolomite (Ordivician). Phenology: flowering.

U.S.A., Wyoming, Fremont County: Game and Fish East Fork Winter Range: East Fork Unit: summit of Dennison Mountain, ca 11 air mi NE of Dubois.
Growing in shallow loam on flat area to north-facing slope (15-35%) in grassland to forest edge; dominants include Picea, Pinus flexilis, forbs, and grasses. Phenology: flowering & fruiting.
with D. Rizor and W. Gerhart

U.S.A., Wyoming, Park County: Shoshone National Forest: west side of Clay Butte ridge, 1.0 mi NWW of summit of Beartooth Butte, above and E of last switchback in road to Clay Butte Lookout.
Short cliffs, outcrops, and talus slope from white clay; just below D. pectinipila. Phenology: fruiting.

U.S.A., Wyoming, Park County: Clay Butte, 0.5 mi W of Beartooth Butte.
Toward top of ridge. Flowers yellow, calyx quite persistent. Phenology: flowering & fruiting.
with C. L. Porter

U.S.A., Wyoming, Fremont County: Wind River Range: Brown Canyon area, ca 10 mi S of Lander, north slope Indian Ridge.
Three-tip sagebrush grassland. Phenology: fruiting.

U.S.A., Wyoming, Fremont County: Wind River Range: Roaring Fork Mountain, 2 mi NW of Silas Lake and 6 mi W of Fiddlers Lake.
Alpine tundra. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: In the vicinity of East Fork Pass and Cascade Creek Pass, S of Kirwin.
Scree slopes and ridges. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Wind River Range: Roaring Fork Mountain, near Stough Creek Lakes.
Dry, rocky slopes. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Wind River Range: 5 mi W of Dickinson Park, along Sand Creek, on the trail to Washakie Lake.
Meadows and gravelly spots along the creek. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Wind River Range: Bears Ears Pass.
Dry, rocky alpine meadow. Phenology: fruiting.

U.S.A., Wyoming, Fremont County: Roaring Fork Mountain.
Alpine fellfields. Phenology: flowering.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: south slopes of Pat O'Hara Peak, ca 20 mi NW of Cody.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: ca 3 mi S of U.S. Hwy 14, 16, and 20, south side of Clayton Mountain.
Tundra. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Beartooth Mountains: 0.5-1.0 mi E of Wymont Peak.
T58N R104W S22; also S23
On tundra. Phenology: flowering & fruiting.
Draba incerta Payson.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: southwest side of Rattlesnake Mountain, at end of BLM road.

U.S.A., Wyoming, Park County: Northern Absarokas: Pat O'Hara Peak summit and adjacent northern exposure.
Open, grassy slopes and limestone outcrops with some volcanics at summit. Phenology: flowering & fruiting.
Annotated by Robert A. Price in 1989. University of California, Berkeley.

U.S.A., Wyoming, Fremont County: Southern Absaroka Mountains: upper Waynes Creek.
Dry rocky knoll in sagebrush community. Phenology: flowering.
with Hollis Marriott

U.S.A., Wyoming, Park County: Crest of Rattlesnake Mountain, 4 mi N of Buffalo Bill Reservoir.
On limestone talus, with Phlox multiflora, Erigeron, etc. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Upper canyon on the Little Popo Agie River near Pass Creek.

U.S.A., Wyoming, Fremont County: Wind River Range: ca 25 mi W of Lander, on the Moccasin Lake Road.
Mountain meadow with scattered big sagebrush. Phenology: fruiting.

U.S.A., Wyoming, Fremont County: Head of Dickinson Creek, ca 3 mi W of Dickinson Park.
Alpine tundra with small grassy patches among boulders. Phenology: flowering.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: at the mouth of Logan Canyon on the south side of Logan Mountain, ca 1 mi N of U.S. Hwy 14, 16, and 20.
Limestone in canyon. Phenology: fruiting.

U.S.A., Wyoming, Fremont County: Shoshone National Forest: S of junction of Wyo Hwy 28 and Louis Lake Road.
T29N R100W S4

U.S.A., Wyoming, Fremont County: Near the top of Fossil Hill.
Limestone ledges. Phenology: flowering.

U.S.A., Wyoming, Park County: Just below and on summit of Clay Butte, SE of Cooke City, Montana.
44.95° N, 109.63722° W; unknown, uncertainty 2 m.
Pulvinate clumps up to 2 inches in diameter. Phenology: flowering & fruiting.
Annotated by Ihsan A. Shehbaz in 2021.
3. Draba pectinipila Rollins.
with Kathryn W. Rollins

U.S.A., Colorado, Summit County: Front Range: Arapaho National Forest: Boreas Pass and Hoosier Ridge, ca 6 air mi SE of Breckenridge.
Rocky alpine meadows and talus slopes. Phenology: fruiting.
Michael K. Kirkpatrick, 3998b. 8/5/2010.
Accession: USFS (unaccessioned), Barcode: USFS0061254

U.S.A., Wyoming, no county County: Yellowstone [National] Park.
Phenology: fruiting.

Draba oligosperma ()
U.S.A., Wyoming, no county County: Northwest Wyoming.

U.S.A., Utah, Daggett County: Utah Hwy 44, 11.4 road mi S of Manila
Steep slope with Juniperus osteosperma. Phenology: flowering & fruiting.
Annotated by Robert A. Price in 1992.
with B. E. Nelson

U.S.A., Colorado, Moffat County: South side of Diamond Peak, upper slopes.
Open slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Whitehorse Creek Wilderness Study Area: ca 1.8 air mi NNW of Oregon Butte summit, ca 13.5 air mi SSW of South Pass City.
Gravely outcrop rim, Bridger Formation, west aspect, 1% slope; cushion plant community with Phlox muscoides, Eriogonum acaule, Elymus spicatus, Eremogone hookeri. Phenology: flowering.

U.S.A., Nevada, Elko County: Ruby Mountains: ca 18 air mi SSE of Jiggs.
T27N R57E S27; also S34
Rocky alpine ridge; substrate of limestone and shales.
1. Draba oligosperma Hook..

U.S.A., Montana, Madison County: Gravelly Range: 1 air mi N of Red Hill.
T10S R2W S8; also S9
Ridge adjacent to abrupt east-facing down slope.
1. Draba oligosperma Hook..

Draba oligosperma ()
Windswept ridge and slopes, limestone substrate. Phenology: fruiting.
, 29624. //.

U.S.A., Colorado, Park County: [location and coordinates withheld]
Steep, rocky slopes along the road. Phenology: flowering & fruiting.
Annotated by Ihsan A. Al-Shehbaz on 9//2009.
with Cassie Dunst and Rachel Turiel

Draba oligosperma var. juniperina (1979)
Draba oligosperma Hook. var. juniperina (Dorn) S. L. Welsh
U.S.A., Wyoming, Sweetwater County:
Juniper forest with Trifolium, Senecio, and Artemisia. Phenology: flowering & fruiting.

Draba oligosperma var. juniperina (1980)
Draba oligosperma Hook. var. juniperina (Dorn) S. L. Welsh
U.S.A., Wyoming, Sweetwater County:
Juniper forest with Mertensia and Mentzelia. Phenology: flowering & fruiting.

Draba oligosperma var. juniperina (1993)
Draba oligosperma Hook. var. juniperina (Dorn) S. L. Welsh
U.S.A., Wyoming, Sweetwater County: 5 mi E of Flaming Gorge, 3 mi N of Utah.
Juniper forest with Phlox hoodii and Astragalus spatulatus. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Laney Canyon.
Rocky slope with Juniperus and Artemisia. Phenology: fruiting.

U.S.A., Wyoming, Sweetwater County: 3.5 mi NW of Minnies Gap.
Open Utah juniper forest with Mertensia, Cryptantha flavoculata.

U.S.A., Wyoming, Sweetwater County:
Rocky sandstone slope with scattered Utah juniper and Artemisia tridentata. Phenology: fruiting.

U.S.A., Utah, Daggett County: North Slope Uinta Mountains: Flaming Gorge National Recreation Area: ca 2 air mi W of Red Canyon Visitor Center along Carter Creek; southeast side of Carter Creek drainage into Flaming Gorge.
T2N R21E S30
Willows dominant. Phenology: fruiting.
with Kelly Altenhofen and Lorie Talbott
Accession: (unaccessioned)

U.S.A., Utah, Daggett County: North Slope Uinta Moutains: Ashley National Forest: ca 8.5 air mi S of Manila; ca 4.5 road mi W of Utah Hwy 44 on both sides of Forest Road 539.
Red metamorphic sandstone cliffs and clay soils; sagebrush and pine. Phenology: fruiting.
Accession: (unaccessioned)

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: Minnies Gap.
41.067° N, 109.3027° W; uncertainty .75 mi., Digital Map
Juniper woodland. No elevation given. Phenology: flowering.

U.S.A., Utah, Summit County: North Slope Uinta Mountains: Ashley National Forest: Birch Creek, ca 6 air mi S of McKinnon, WY on east side of Forest Road 211.
T2N R17E S3 NW1/2
Moist creek bed. Phenology: flowering & fruiting.
Accession: (unaccessioned)

U.S.A., Utah, Daggett County: Southwestern Wyoming and Adjacent Utah: Browns Park: ca 13 air mi E of Dutch John; 0.4 mi N of junction of Jarvie Ranch/Browns Park roads on the east side of Browns Park Road.
White ash soils, semi-barren desert hills. Phenology: flowering & fruiting.
with Larry Refsdal

U.S.A., Utah, Daggett County: Southwestern Wyoming and Adjacent Utah: Browns Park: ca 13 air mi E of Dutch John; 1.4 mi N of junction of Jarvie Ranch/Browns Park roads on east side of Browns Park Road.
Dark red-brown loose soils. Phenology: flowering & fruiting.

U.S.A., Utah, Daggett County: Southwestern Wyoming and Adjacent Utah: Flaming Gorge National Recreation Area: ca 4 air mi SE of Manila.
T2N R20E S4; Center of S4
Red sandstone soils, Navajo Formation, hill top, juniper woodlands. Phenology: fruiting.
with S. Goodrich

Draba oligosperma var. leiocarpa (1905)
Draba oligosperma Hook. var. leiocarpa O. E. Schulz
Limestone cliffs. Phenology: flowering & fruiting.
Type Specimen: Isolectotype for Draba oligosperma Hook. var. leiocarpa O. E. Schulz. Pflanzenreich IV. 105. Heft 89: 99. 1927. Annotated as "Isolectotype" by Ihsan A. Al-Shebaz December 2007.
6. Draba oligosperma Hook. var. leiocarpa O. E. Schulz
Annotated by Ihsan A. Al-Shehbaz on 12//2007. Isolectotype.
Annotated by Ihsan A. Al-Shehbaz on 12//2007.
Annotated by G. A. Mulligan in 1970.
3. Draba oligosperma Hook. var. leiocarpa O. E. Schulz
Annotated by C. Leo Hitchcock on 3/5/1939.
1. Draba glacialis Adams.
Joseph W. Blankinship, 50. 5/27/1905.

Draba oligosperma var. oligosperma (1997)
Draba oligosperma Hook. var. oligosperma
U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: southeast end of Chalk Mountain, ca 33.5 air mi NNE of Medicine Bow; ca 36.5 air mi SSW of Casper.
Just below north facing rim. Phenology: fruiting.
1. Draba oligosperma Hook. var. oligosperma
Annotated by Amy J. Roderick.

Draba oligosperma var. oligosperma (1997)
Draba oligosperma Hook. var. oligosperma
U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Seminoe Mountains: along Seminoe or County Road 351 at the pass, ca 2 air mi NNW of Seminoe Dam; ca 31 air mi NE of Rawlins.
Rocky-gravelly slopes with rock outcrops and limber pine woodland. Phenology: fruiting.
1. Draba oligosperma Hook. var. oligosperma
Annotated by Amy J. Roderick.

Draba oligosperma var. oligosperma (1984)
Draba oligosperma Hook. var. oligosperma
U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Ferris Mountains: Sand Creek, ca 2 air mi SW of summit of Bear Mountain.
Limestone outcrop with adjacent redbeds. Phenology: fruiting.
Annotated by Amy J. Roderick.

U.S.A., Wyoming, Carbon County: [location and coordinates withheld]
Barren calcareous areas with cushion plants below, robust sagebrush on east slope, and sparse vegetation on west slope. Phenology: fruiting.
with Amy J. Roderick

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: Shoshone National Forest: head of Mormon Creek on divide above Gunbarrel and Grinnell creeks.
Talus and scree with Cirsium eatonii, Chaenactis alpina, and Senecio amplectens var. holmii.

U.S.A., Wyoming, Park County: Absaroka Mountains: Shoshone National Forest: top of Phelps Mountain, ca 25 mi WSW of Meeteetse.
Alpine fellfield and rocky meadow with Carex rupestris, Eritrichum nanum var. elongatum, and Cymopterus evertii. Phenology: flowering.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: Shoshone National Forest: summit of Monument Mountain at head of Moss Creek, ca 4 mi S of U.S. Hwy 14, 16, & 20, ca 35 mi W of Cody.
Alpine fellfield and rocky meadow with Smelowskia calycina var. americana, Phlox pulvinata, and Astragalus kentrophyta var. tegetarius. Phenology: flowering.

U.S.A., Montana, Beaverhead County: Beaverhead Mountains: Beaverhead National Forest: north side of the Lima Peaks at head of East Fork Little Sheep Creek, ca 6 mi S of Lima.
T15S R8W S8
Alpine tundra and spruce-fir parkland with Potentilla diversifolia, Silene acaulis, Besseya wyomingensis, Carex elynoides, and Myosotis alpestris. Phenology: flowering.

U.S.A., Montana, Beaverhead County: Snowcrest Range: Beaverhead National Forest: west slope and summit of Antone Peak, ca 28 mi S of Dillon.
T12S R5W S14; also S23
Alpine/subalpine meadow with Carex elynoides, Synthris pinnatifida, Saxifraga rhomboidea, Douglasia montana, and Hymenoxys grandiflora. Phenology: flowering.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: north-south ridge below The Wall and W of Big Creek, ca 7 mi N of U.S. Hwy 14, 16, & 20.
Open, rocky habitats.

U.S.A., Wyoming, Park County: [location and coordinates withheld]
Open, overgrazed sagebrush-grassland on limestone substrates.

U.S.A., Wyoming, Park County: [location and coordinates withheld]
Rocky meadowland with a few scattered Pinus flexilis on limestone derived substrate. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: [location and coordinates withheld]
Limestone outcroppings. Phenology: fruiting.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: northwest end of Table Mountain, ca 3 mi S of U.S. Hwy 14, 16, & 20.
Rocky, windswept escarpment, sparsely vegetated with cushion plants which included: Trifolium dasyphyllum, Haplopappus acaulis, and Arenaria hookeri. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: Rattlesnake Mountain, ca 1 mi W of Canyon Creek and ca 17 mi NW of Cody.
Limestone outcroppings along edge of escarpment, prominent species included: Shoshonea pulvinata, Carex rupestris, and Eritrichium nanum var elongatum on pavement and talus and Telesonix heucheriformis in crevices. Phenology: fruiting.

Along mostly treeless limestone escarpment, prominent species included: Shoshonea pulvinata, Aquilegia jonesii, and Trifolium haydenii on pavement and talus and Kelseya uniflora and Telesonix heucheriformis in cliff crevices. Phenology: fruiting.

U.S.A., Idaho, Teton County: Targhee National Forest: Big Hole Mountains: ridge immediately NW of the Packsaddle Basin and W of Forest Road 219, ca 13 mi W of Driggs.
Open, rocky montane meadow with Festuca idahoensis, Phlox multiflora, Microseris nutans, and Clematis hirsutissima.

U.S.A., Wyoming, Teton County: Absaroka Mountains: Bridger-Teton National Forest: 1.5 mi N of U.S. Hwy 26/287, ca 6 mi NW of Togwotee Pass.
Rocky summit with patches of spruce krumholz, Potentilla diversifolia, Smelowskia calycina, and Lloydia serotina. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Southeastern Absarokas: Shoshone National Forest: along the southeast side of Horse Creek ca 1/3 mi NE of Horse Creek Campground, ca 10 mi N of Dubois.
North facing limestone cliff crevices and ledges. Phenology: flowering.

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.
Meadow with Festuca idahoensis, Allium textile, and Arenaria congesta. Phenology: flowering & fruiting.

U.S.A., Montana, Park County: Ridge and draw immediately E of the Yellowstone River, ca 2.5 mi S of Livingston.
Grassland with some scattered limber pine and Douglas fir. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Bridger Mountains: along Birdseye Road in canyon 13 mi NE of Shoshoni.
Juniper woodland on limestone outcroppings with Heuchera parvifolia, Physocarpus monogynus, and Cymopterus terebinthinus. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: summit of Sheep Mountain E of Wyo Hwy 71, ca 18.7 air mi S of Rawlins.
East facing bench of sandstone rimrock. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: [location and coordinates withheld]
Sandstone pavement, rimrock, and adjacent slopes with cushion plant community or sagebrush steppe. Phenology: fruiting.
Annotated by Laura Welp.
with Laura Welp

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Crooks Mountain: Cottonwood Creek and vicinity on the north side of the mountain, ca 10 air mi SW of Jeffrey City; ca 48 air mi SE of Lander.
Stony, granitic gravelly hillside with scattered sagebrush. Phenology: flowering & fruiting.
Annotated by Laura Welp.
with Laura Welp

U.S.A., Wyoming, Carbon County: [location and coordinates withheld]
Anticlinal ridge with bands of sandstones, shales, mudstones, and clay, sandy clay, or sandy soils. Phenology: fruiting.
Annotated by Laura Welp.

U.S.A., Wyoming, Carbon County: Great Divide Basin Area: Great Divide Basin: W of U.S. Hwy 287 ca 1.5 air mi NW of Ninemile Hill on the Continental Divide, ca 10 air mi NNW of Rawlins.
Cushion plant community on limestone ridge and slope. Phenology: fruiting.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Green Mountain: Stratton Rim on the southeast end of Green Mountain ca 4 air mi WSW of Whiskey Peak; ca 16.5 air mi SE of Jeffrey City; ca 5.5 air mi NW of Bairoil.
Stony toe ridge with sagebrush on the lee side of the rim. Phenology: fruiting.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: near Bull Springs Rim, ca 7 air mi SW of Bairoil; ca 11.5 air mi SE of Bare Ring Butte.
Narrow draw on south facing slope of rim with sagebrush and rocky, sandy soil. Phenology: flowering & fruiting.

Sandstone rim on crest of hill. Phenology: fruiting.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Great Divide Basin: rimtop ca 3 air mi NNE of Continental Peak; ca 11 air mi WSW of St. Mary's Peak.
Partially vegetated east facing slope at bottom of draw; fine sandy soil. Phenology: fruiting.

U.S.A., Wyoming, Sweetwater County: [location and coordinates withheld]
Top of mountain with grasses, low sagebrush shrubs, and scattered pines; rocky, gravelly soil. Phenology: fruiting.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Popo Agie River Drainage: Dilabaugh Buttes and Dilabaugh Spring, ca 6 air mi W of Schoettlin Mountain; ca 12 air mi E of Roundtop Mountain.
Partially vegetated NW facing slope of butte; rocky, sandy soil. Phenology: fruiting.

U.S.A., Wyoming, Teton County: Gros Ventre Area: Gros Ventre Wilderness Area: ridge E of Crystal Creek; ca 12 air mi SE of Kelly.
Open, steep, rocky to gravelly slopes. Phenology: fruiting.
with Tom Cramer

U.S.A., Wyoming, Teton County: Gros Ventre Area: Gros Ventre Wilderness Area: ridge E of Crystal Creek; ca 14 air mi SE of Kelly.
Open ridges, rocky slopes, and meadows. Phenology: flowering & fruiting.
with Tom Cramer

U.S.A., Wyoming, Teton County: Gros Ventre Area: head of Swift Creek trail to ca 1/4 air mi NE of top of Corner Mountain.
Calcareous substrates. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: Gros Ventre Area: ridge from Pinnacle Peak.
Alpine calcareous ridge. Phenology: fruiting.

U.S.A., Wyoming, Sublette County: Gros Ventre Area: Tepee Creek Ridge W to Red Hills; 6-9 air mi SW of Mosquito Lake.
Grassy ridge with patches of Engelmann spruce and whitebark pine. Phenology: fruiting.

U.S.A., Wyoming, Teton County: Gros Ventre Area: peak 1 air mi N of Cache Peak.
Rocky upper slopes and summit. Phenology: fruiting.

U.S.A., Wyoming, Teton County: Gros Ventre Area: Granite Creek, ca 0.3 stream mi N of Bunker Creek, then E up to summit of ridge extending S from Packsaddle Pass and Pyramid Peak.
Rocky (dolomite) slopes. Phenology: fruiting.
with Tom Cramer

U.S.A., Wyoming, Teton County: Gros Ventre Area: ridge 1 air mi SE to 2 air mi SSE of Pyramid Peak.
Alpine ridge, dolomite. Phenology: fruiting.

U.S.A., Wyoming, Teton County: Gros Ventre Area: ridge 1 air mi SE to 2 air mi SSE of Pyramid Peak.
Alpine ridge, dolomite. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Gros Ventre Area: Hodges Peak and along base, east side.
Rocky alpine areas. Phenology: fruiting.

U.S.A., Wyoming, Teton County: Gros Ventre Area: southeast ridge and summit of Darwin Peak.
Rocky alpine slopes. Phenology: fruiting.

U.S.A., Wyoming, Teton County: Gros Ventre Area: lower slopes of Sheep Mountain, ca 2.5-3.5 air mi from summit.
Grassy slopes and wooded areas. Phenology: fruiting.
Accession: 660657

U.S.A., Wyoming, Teton County: Gros Ventre Area: 0.8 air mi NNW to summit of Sheep Mountain.
Meadow and boulder fields. Phenology: fruiting.
Accession: 660658

U.S.A., Wyoming, Lincoln County: Wyoming Range: Greys River Drainage: Wyoming Peak, ca 14.8 air mi E Smoot; ca 17.5 air mi SE of Afton.
Rocky saddle on southwesterly facing slope near top of ridge with Townsendia leptotes, Phlox pulvinata, Potentilla ovina, Cymopterus longipes, and Astragalus kentrophyta. Phenology: flowering & fruiting.
Accession: 724076

U.S.A., Wyoming, Teton County: Mount Leidy Highland Area: Burnt Creek and ridge to east.
T42N R112W S30; also S31

U.S.A., Wyoming, Teton County: Mount Leidy Highland Area: ca 0.5-1 air mi NW of Gunsight Pass on flank of plateau.
Rocky slopes with scattered patches of conifers. Phenology: fruiting.

U.S.A., Colorado, Park County: Central Colorado: Mosquito Range, East Slope Continental Divide: Horseshoe cirque area, off Forest Road 603 on south side and north side of lakes, ca 10 air mi SE of Leadville.
Alpine meadow and scree on limestone bedrock. Phenology: fruiting.
with Benjamin Madsen

U.S.A., Colorado, Park County: Central Colorado: Mosquito Range, East Slope Continental Divide: Weston Pass area, south side of County Road 22, ca 15 air mi SE of Leadville.
Alpine meadow on limestone substrate. Phenology: fruiting.
with Benjamin Madsen

U.S.A., Wyoming, Carbon County: Sierra Madre/Park Ranges: Sierra Madre: ca 14 air mi NNW of Bridger Peak.
Shortgrass prairie on bench land high in calcium carbonate; on slopes.
with Nancy Kastning

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Wheat Creek to Windy Gap and Oyster Ridge, ca 14 air mi N of Kemmerer.
Sagebrush slopes, sandstone and limestone outcrops, cushion plant communities on ridge, wet draws, and stream margins. Phenology: fruiting.

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.
Granite outcrop. Phenology: fruiting.
with Jane T. Kellett

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: South Fork Mountain, ca 20 air mi N of Kemmerer.
Windswept rocky ridge top meadows with lodgepole and limber pine stands. Phenology: fruiting.
with Jane T. Kellett

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Ferris Mountains: south side below Youngs Pass, ca 31 air mi N of Rawlins; ca 11 air mi SE of Three Forks Junction.
Grassy area at top of mountain pass. Phenology: fruiting.

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: Matchless Mountain, ca 2.5 air mi W of Taylor Park Reservoir.
Engelmann spruce krummholz and alpine tundra to summit. Phenology: flowering & fruiting.

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: Forest Hill Mountain, ca 7 air mi NW of Taylor Park Reservoir.
Alpine tundra and Engelmann spruce krummholz along northwest ridge of mountain. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Upper Wind River Watershed: Bear Basin: ca 16 air mi NE of Dubois; small ridge east of 2-track, across Bear Creek, and N of Foxs outfitter camp.
Dry grassland at north end of basin. Plot 93034 SE, SW, SE Phenology: flowering.

U.S.A., Wyoming, Fremont County: Upper Wind River Watershed: Bog Lakes: ca 15 air mi N of Dubois; go past big Bog Lake on 2-track to the right (not the one that follows lake shore a little to left), big clearing to the south.
Dry grassland. Plot 93028 SE, SW, SW Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Upper Wind River Watershed: Salt Barrels Park: ca 4.5 mi S of Dubois; downhill from road.
Dry grassland. Plot 95007 SW, SE, NE Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Absaroka Mountains: ca 18 air mi WSW of Meeteetse, West Fork Timber Creek, ca 1 mi W of the Timber Creek Ranger Station.
Sagebrush with scattered Pinus flexilis; dry areas.
Robert S. Kirkpatrick, 3634. 7/5/1984.

U.S.A., Wyoming, Teton County: Teton Range East Slope: Rendezvous Mountain: ridge between Granite Canyon and Jackson Hole, ca 1 mi SW of Apres Vous Peak, ca 1.5 air mi NW of Teton Village, ca 8 air mi NW of Jackson.
Limestone cliffs and ridges with sparse, forb-dominated vegetation.

U.S.A., Wyoming, Teton County: Mount Leidy Highland Area: Burnt Creek and ridge to east.

U.S.A., Wyoming, Teton County: Mount Leidy Highland Area: 0.5-1 air mi NW of Gunsight Pass on flank of plateau.
Rocky slopes with scattered patches of conifers. Phenology: fruiting.

U.S.A., Wyoming, Fremont County: Wetlands and Adjacent Areas: Sweetwater River, ca 31 air mi SE of Lander.
Sandy, pebbly canyon walls. Phenology: fruiting.

U.S.A., Wyoming, Albany County: On the Laramie Plains, 5 mi S of McFadden.
41.6376° N, 106.1826° W; NAD 83, uncertainty 2 mi., Digital Map
Locally abundant, dry, gravelly meadow. Phenology: fruiting.
with Marjorie W. Porter

U.S.A., Wyoming, Hot Springs County: Owl Creek/Bridger Mountains: slope ca 8 air mi W of Anchor Reservoir; ca 37 air mi W of Thermopolis.
Open, southeast-facing limestone ledge and slope. No var. given.

U.S.A., Wyoming, Hot Springs County: Owl Creek/Bridger Mountains: Wind River Indian Reservation: Monument Peak.
Open, long ridge with slopes and benches. No var. given.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: base of east side of Sheep Mountain, ca 9 mi SW of Cody.
Seasonally wet-moist depression dominated by Iris missouriensis, Carex praegracilis and Poa ampla.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: southwest flank of Rattlesnake Mountain, ca 6-7 mi W of Cody and ca 1 mi N of U.S. Hwy 14, 16, & 20.
Rocky, north-south trending ridge, open Douglas fir forest with limestone substrates.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: southwest end of Rattlesnake Mountain, ca 6 mi W of Cody.
Open Douglas fir-limber pine forest/meadow parkland on limestone substrates.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: Yellowstone National Park: north-south trending ridge, ca 0.5 mi NE of Sylvan Pass and U.S. Hwy 14, 16, & 20.
Small, rocky, sparsely vegetated basin with some scattered Pinus albicaulis and a groundlayer of cushion plants including Phlox pulvinata, Arenaria obtusiloba and Smelowskia calycina.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: ridge just E of Buttress Mountain (Sleeping Giant Mountain) on divide between Goff and Gunbarrel Creeks, ca 4.5 mi N of U.S. Hwy 14, 16, & 20.
Among boulders on ridge-top in fellfield-cushionplant community with Phacelia hastata and Senecio werneriaefolius. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Absaroka Mountains, east flank, Bald Ridge ca 1/4 mi S of Bald Peak, ca 6 air mi NNE of Dead Indian Pass.
Coarse rocky sparsely-vegetated soil at top of limestone cliff. Phenology: fruiting.

U.S.A., Wyoming, Park County: Absaroka Mountains, Hunter Peak summit, ca 2 air mi NW of Crandall Ranger Station.
Limestone rock outcrop. Phenology: flowering.

U.S.A., Wyoming, Park County: Absaroka Mountains, east flank, middle of northwest summit of Rattlesnake Mountain near southwest edge, ca 17 air mi WNW of Cody. /4 /4S34.
Limestone rock outcrop. Phenology: fruiting.

U.S.A., Wyoming, Hot Springs County: Owl Creek/Bridger Mountains: Owl Creek Mountains: South Fork Owl Creek, norrth rim of canyon below Anchor Dam, ca 30 air mi W of Thermopolis.
Rocky limestone soil on crest and upper slopes, with Agropyron spicatum and Artemisia tridentata. Phenology: fruiting.

U.S.A., Wyoming, Teton County: Gros Ventre Range: southeast flank of Darwin Peak, ca 0.5 mi N of Brewster Lake.
Near top of limestone talus ridge on south facing slope. Sparsely vegetated with Salix reticulata, Potentilla ovina, Saxifraga oppositifolia, Phlox pulvinata, and Polemonium viscosum. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: Shirley Mountains.
Rocky limestone ridge with Hymenoxys torreyana, Erigeron. Phenology: fruiting.

U.S.A., Wyoming, Sublette County: Along Deadline Ridge.
Artemisia spiciformis community on Madison Limestone Formation. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: Bridger-Teton NF, Gros Ventre Range, Gros Ventre drainage.
Elev. 2700 m.
Open windswept ridge of limestone. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Southeast Foothills of the Big Horn Range: hill ca 0.5 mi E of Thirty-three Mile Road, ca 15.5 air mi N of Arminto.
T40N R86W S30; also NW1/4 S31 and T40N R87W SE1/4 of SE1/4 S25
Southwest-facing slope, open summit, and northwest-facing ridges; soil thin, exposed limestone bedrock and talus. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: Sweetwater River Valley: ridge on northeast side of U.S. Hwy 287, 5 road mi NW of Three Forks (Muddy Gap) Junction.
Gravelly siltstone deposits on flat summit and upper slopes; cushion plant community with Phlox muscoides, Sphaeromeria capitata. Phenology: fruiting.

U.S.A., Wyoming, Natrona County: Northern Laramie Range: west end of Casper Mountain, 1-1.5 air mi E of Goose Egg, ca 8 air mi SW of Casper.
T32N R80W S6 SW1/4 SE1/4; also NE1/4 S7 and N1/2 S8
Northwest-facing grassy slope among limestone boulders and outcrops; scattered ponderosa pine with mountain big sagebrush and snowberry Phenology: fruiting.

U.S.A., Wyoming, Natrona County: Southwest Foothills of the Rattlesnake Hills: slopes ca 5 air mi SE of Black Mountain, on west side of Dry Creek.
East-facing granite outcrop slopes and windy summit with scattered ponderosa pine. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Southern Big Horn Mountains: ridge due E of Clear Creek and Frenchie Creek, ca 3 air mi N of Badwater.
T39N R88W S7 SE1/4 of NE1/4; also NW1/4 S8
Cushion plant community on ridgetops of limestone pavement; with Cryptantha flavoculata, Petrophyton; locally common in talus. Phenology: fruiting.

U.S.A., Wyoming, Natrona County: Rattlesnake Hills: northwest foothills of range, on west side of old Dry Creek Road, ca 0.5 mi S of Gas Hills Road.
T34N R88W S31 SW1/4; also T33N R88W NW1/4 S6
Limestone outcrops on steep slopes with limber pine grassland. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: Shirley Mountains: slopes on west side of steep north-south running ridge on north side of Shirley Mountains, ca 1 mi N of North Fork Quealy Creek, ca 16 air mi E of Kortes Dam Camp.
T26N R81W S20 South1/2
East-facing limestone slope with scattered limber pine; cushion plant community on exposed bedrock and thin limestone gravel soil. Phenology: fruiting.
with Jane Struttmann

U.S.A., Wyoming, Sweetwater County: North Slope Uinta Mountains: west slope of Cedar Mountain, ca 0.3 mi S of junction of Rim Road and road along west base of mountain, ca 7 air mi N of Burtfork.
Windy, west-facing slope just below rim on sandy-gravelly Bishop Conglomerate. Phenology: fruiting.

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: west face of Big Sheep Mountain; ca 2 1/4 air mi W of Lower Green River Lake; ca 28 air mi N of Pinedale.
Limestone and sandstone talus slopes from timberline to near crest; alpine community dominated by Parrya nudicaulis, Senecio canus, Trisetum spicatum, and Polemonium. Phenology: fruiting.

U.S.A., Wyoming, Fremont County: Southern Absaroka Range: Continental Divide Ridge on north side of Bonneville Creek and Pinnacle Buttes, ca 2 mi NE of Brooks.
Alpine ridgetop with whitish, talc-like soil and scattered reddish chert on surface; cushion plant community with vegetative cover of ca 15-25%; in opening in Geum turf mats. Phenology: fruiting.

U.S.A., Wyoming, Sweetwater County: Green River Basin: north end of Little Mountain along north-south ridge on east side of Little Mountain Road and W of Trout Creek, ca 11 mi N of Utah.
West-facing Artemisia nova-Koeleria macrantha-Elymus spicatus community at base of Cercocarpus montanus thickets; soil reddish conglomerate with ca 50% rock cover; with Petradoira, Penstemon humilis, and Castilleja flava. Phenology: fruiting.

U.S.A., Wyoming, Sweetwater County: Green River Basin: northwest rim of Miller Mountain where Wyo Hwy 373 crosses the rim, ca 4.3 mi NE of Ramsey Peak and 13.5 air mi N of Utah.
Conglomerate on rim of reddish-brown clay slope above roadcut; cushion plant community of Phlox hoodii, Arenaria hookeri, Hymenoxys acaulis, and Astragalus spatulatus. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: Shirley Basin: east rim of Chalk Mountain ca 4 mi W of Wyo Hwy 77.
South-facing slope of siltstone ridge in cushion plant-Elymus spicatus community above Artemisia tripartita var. rupicola grassland; dominant species include Phlox muscoides, Astragalus spatulatus, and Hymenoxys acaulis. Phenology: fruiting.
with Laura Welp

U.S.A., Wyoming, Carbon County: Shirley Basin: southwest side and summit of Chalk Mountains, ca 5 air mi SW of junction of Wyo Hwys 77 and 487, ca 11.5 air mi N of the Shriley Mountains.
Southwest-facing, wind-blasted rim of chalky limstone gravel; cushion plant community dominated by Phlox muscoides and Arenaria hookeri with vegetative cover of 25-40% and rock cover of 50-75%. Phenology: fruiting.

U.S.A., Wyoming, Teton County: Grand Teton National Park and Vicinity: Teton Range: east slope of Ranger Peak, ca 14.5 air mi NW of Moran; ca 21 air mi N of Jackson.
Pockets of alpine tundra on sandstone talus covered ridge above treeline. Phenology: flowering & fruiting.
Annotated by David Scott.
with Nancy Bockino

U.S.A., Wyoming, Teton County: Grand Teton National Park and Vicinity: Teton Range: near Elk Ridge, ca 18 air mi NW of Moran; ca 25 air mi N of Moose.
Southwest-facing limestone cliff. Phenology: fruiting.
Annotated by David Scott.
with Klara Varga

U.S.A., Wyoming, Teton County: Grand Teton National Park and Vicinity: Teton Range: on west slope of Forellen Peak, ca 20.5 air mi NW of Moran; ca 25 air mi NNW of Moose.
Alpine tundra on limestone ridge. Phenology: fruiting.
Annotated by David Scott.
with Klara Varga, Nancy Bockino, and Mike Straw

U.S.A., Wyoming, Teton County: Grand Teton National Park and Vicinity: Teton Range: near summit of Forellen Peak, ca 20.5 air mi NW of Moran; ca 25 air mi NNW of Moose.
Alpine limestone mountain top. Phenology: fruiting.
with Klara Varga, Nancy Bockino, and Mike Straw

U.S.A., Wyoming, Teton County: Grand Teton National Park and Vicinity: Teton Range: near Colter Canyon, ca 14 air mi NW of Moran.
Limestone ridge, meadow, and slope. Phenology: fruiting.
with David Scott

U.S.A., Wyoming, Teton County: Grand Teton National Park and Vicinity: Teton Range: near Elk Mountain, ca 18.5 air mi WNW of Moran; ca 22.5 air mi NNW of Moose.
Rocky subalpine limestone ridge. Phenology: fruiting.
with Klara Varga

U.S.A., Wyoming, Teton County: Grand Teton National Park and Vicinity: Teton Range: near Elk Mountain, ca 18.5 air mi WNW of Moran; ca 22.5 air mi NNW of Moose.
Alpine limestone talus ridge with Juniperus communis and Arctostaphylos uva-ursi. Phenology: fruiting.
with Klara Varga

U.S.A., Wyoming, Teton County: Southwestern Absarokas: above Togwotee Pass.
Alpine meadow adjacent to microwave and USFS relay at timberline.

U.S.A., Wyoming, Albany County: Laramie Range: along Palmer Canyon or County Road 721, ca 10.7 air mi S of Garrett; ca 24.6 air mi NE of Rock River.
Northwest facing red sandy slope with a limestone ridge, grasses and scattered limber pine common. Phenology: fruiting.
Annotated by B. A. Packer.

U.S.A., Wyoming, Albany County: Laramie Range: along Palmer Canyon or County Road 721, ca 10.7 air mi S of Garrett; ca 24.6 air mi NE of Rock River.
Cushion community on flat top of limestone ridge. Phenology: fruiting.
Annotated by B. A. Packer.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: bluff abutting dirt road leading to Sunshine Beach in Seminoe State Park, ca 2.4 air mi S of Seminoe Dam; ca 25.5 air mi NE of Sinclair.
Calcareous and sandy substrate of bluff dominated by mountain mahogany and sagebrush. Phenology: fruiting.

U.S.A., Colorado, Summit County: Arapaho National Forest: N side of Hoosier Ridge; 1.0 mi WSW of Boreas Pass.
Northwest-facing steep talus slope. Phenology: fruiting.
with P. Lucas

U.S.A., Colorado, Moffat County: ca 1 mi N of Bear Valley Spring, ca 1 mi SW of Bench Marker 6765.
T6N R101W S27 NW1/4 of SE1/4 of SW1/4
Crevices and dolomite ledges with Cercocarpus, Symphoricarpos, Amelanchier, Poa, Carex and Senecio in Madison Limestone. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: ca 2 air mi from Horse Peak; ca 2 air mi from junction of Wyo Hwy 77 and 487.
Calcareous slope dominated by cushion plants. Phenology: fruiting.

U.S.A., Colorado, Gunnison County: White River National Forest: 0.25 mi W of West Maroon Pass.
West-facing rock and gravel ridge free of snow. Phenology: flowering & fruiting.
with D. Neill

U.S.A., Colorado, Park County: Pike National Forest: north slope of Mount Bross, ca 11 mi NW of Alma.
Open alpine meadow with some bare areas. Phenology: fruiting.
with Mary Lou Rottman

U.S.A., Colorado, Moffat County: Ca 1 mi ESE of Fish Reservoir on Diamond Peak.
South-facing sandy loam slope with Poa and Artemisia. Phenology: fruiting.
with A. Deardorff

U.S.A., Colorado, Lake County: Cochetopa National Forest: Weston Pass.
Common in alpine on 20% east gravelly slope. Phenology: fruiting.

U.S.A., Colorado, Lake County: San Isabel National Forest: vicinity of Weston Pass.
Occasional in alpine on 25% northwest slope in gravelly loam with Carex, Geum and Arennaria. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Laramie Range: Wyo Hwy 34, ca 0.5-1.5 air mi NW of Plumbago Canyon turnoff.
Sandy areas and sandstone with limestone at higher elevation. Phenology: fruiting.
Annotated by B. A. Packer.
with Timothy W. Chumley

U.S.A., Colorado, Moffat County: Dinosaur National Monument: 0.5 mi N of summit of Tanks Peak; SW of Mantle Mine.
T6N R101W S32 NW1/4 of NW1/4 of NE1/4
Abundant on pavement of limestone fragments of ridge with Hymenoxys, Phlox, Astragalus and Haplopappus in Madison Limestone Formation. Phenology: flowering & fruiting.

U.S.A., Colorado, Grand County: Williams Fork Mountains: summit of Ute Peak.
39° 47' 8" N, 106° 4' 38" W; unknown, , Specimen Label
Rocky summit. Phenology: fruiting.

U.S.A., Colorado, Park County: Mount Bross: NW of Dolly Varden Mine Road.
Dry tundra on south-facing slopes. Phenology: fruiting.
with Louise Roloff

U.S.A., Wyoming, Albany County: Laramie Range: ca 4.5 air mi N of north end of Wheatland Reservoir No. 2.
Granitic outcrops and derivative soil. Phenology: fruiting.

U.S.A., Wyoming, Albany County: Laramie Range: ca 4 air mi N of north end of Wheatland Reservoir No. 2.
Sedimentary deposits especially calcareous and siliceous. Phenology: fruiting.

U.S.A., Wyoming, Albany County: Laramie Range: headwaters of Pinto Creek, ca 9 air mi SW of Garrett.
Sagebrush-grassland with granite outcrop and limestone leaching (?) from above. Phenology: fruiting.

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Wheat Creek to Windy Gap and Oyster Ridge, ca 14 air mi N of Kemmerer.
Sagebrush slopes, sandstone and limestone outcrops, cushion plant communities on ridge, wet draws and stream margins. Phenology: fruiting.

U.S.A., Idaho, Clark County: Targhee National Forest: Western Centennial Mountains: limestone butte ca 2 air mi E of Bannack Pass on south side of Continental Divide, ca 33 air mi NW of Dubois.
Limestone pavement.
with Michelle Nelson

U.S.A., Idaho, Clark County: Targhee National Forest: Western Centennial Mountains: on the Continental Divide at the head of East Fork Irving Creek between Knob Mountain and The Thumb, ca 27 air mi NW of Dubois.
Steep slope of conglomerate with bands of rock and vegetation.
with Michelle Nelson

U.S.A., Wyoming, Albany County: [location and coordinates withheld]
Calcareous substrate. Phenology: fruiting.

U.S.A., Idaho, Bonneville County: Targhee National Forest: Snake River Range: Sheep Creek Peak.
T1N R45E S34; also S35
Talus slopes and summit.
with Rafael Molina

U.S.A., Idaho, Clark County: Targhee National Forest: Western Centennial Mountains: just below summit and N of Red Conglomerate Peaks, ca 28 air mi NW of Dubois.
Rocky outcrops dominated by forbs.

U.S.A., Idaho, Lemhi County: Targhee National Forest and vicinity: Beaverhead Range: ridge between Willow Creek and South Jump Creek, ca 2 air mi N of Nicholia.
Mostly Artemisia frigida and Elymus spicatus.

U.S.A., Wyoming, Teton County: Bridger-Teton National Forest: East Slope Teton Range: ridge on Rendezvous Mountain, S of Aerial Tramway Station, ca 2.5 air mi W of Teton Village.
Open ridge with some patches of coniferous forest dominated by Abies lasiocarpa and Picea engelmannii, with some riparian. Phenology: fruiting.

U.S.A., Idaho, Fremont County: Targhee National Forest: Henrys Lake Mountains: above Raynolds Pass, ca 3.5 air mi NW of Henrys Lake; ca 16 air mi NW of West Yellowstone, Montana.
T16N R42E S13; also S14
Mostly forbs and grasses, a few scattered Pinus flexilis.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Rattlesnake Hills: McDougal Gulch N of Dry Creek or County Road 321, ca 14.8 air mi NW of junction with Wyo Hwy 220.
Chalky slope with scattered limber pine. Phenology: fruiting.

U.S.A., Idaho, Lemhi County: Targhee National Forest: Beaverhead Range: above South Fork of Worthing Canyon, ca 10.5 air mi SE of Nicholia.
Open slope on canyon north wall dominated by Pinus flexilis and Leucopoa kingii.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Granite Mountains: ca 1.5 air mi SE from Lone Mountain; ca 19.2 air mi W of junction with Wyo Hwy 220.
Sagebrush with granitic outcrops; Selaginella densa common. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: South-central Wyoming: Sierra Madre: along the Continental Divide above McCarty Canyon off McCarty Canyon or County Road 503, ca 27 air mi S of Rawlins; ca 29 air mi NE of Baggs.
Rocky areas (limestone?) on grassy sagebrush slopes. Phenology: fruiting.
Annotated by Beth Ward.
with Beth Ward

U.S.A., Wyoming, Carbon County: South-central Wyoming: Sierra Madre: above Muddy Creek opposite Pole Gulch on Muddy Creek or BLM Road 3306, ca 27 air mi SSW of Rawlins; ca 27.5 air mi NE of Baggs.
Stony (limestone?) ridge and slopes with scattered mountain mahogany and sagebrush. Phenology: flowering & fruiting.
Annotated by Beth Ward.
with Beth Ward

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: northeast slope of Pine Mountain, ca 37 air mi SSE of Rock Springs.
Rocky slope down to creek. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: Green River Basin: north-facing slopes on Gooseberry Creek, ca 2.5 air mi above the confluence of Gooseberry and Trout creeks; ca 30 air mi SSW of Rock Springs.
Sagebrush near creek. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Canyon Creek E of Kortes or County Road 291, ca 11.2 air mi S of Alcova townsite.
Sagebrush knoll with rock outcrops; Ribes cereum var. pedicellare common. Phenology: fruiting.

U.S.A., Wyoming, Natrona County: [location and coordinates withheld]
Gravelly sagebrush slope; Artemisia pedatifida and Atriplex confertifolia common. Phenology: fruiting.

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: 0.1-0.6 air mi S of Fontenelle Gap; ca 19 air mi W of Fontenelle Reservoir Dam.
Rolling hills with sagebrush-grassland and scattered stands of Douglas fir, limber pine, and aspen; shale and clays and limestone. Phenology: flowering & fruiting.
with Bruce Embury

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: buttes bordering north edge of the town of Rawlins, ca 1 air mi E of Rawlins Peak.
Barren north facing sandstone slope. Phenology: fruiting.

U.S.A., Wyoming, Sublette County: Upper Green River Basin: Cretaceous Mountain/Hogsback Ridge area: Hogsback Ridge: north end of The Hogsback, ca 17.5 air mi SW of Big Piney.
Under Douglas fir in woodland. Phenology: flowering.
with Russ Nelson

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.
Base of limestone cliffs. Phenology: fruiting.
with Russ Nelson

U.S.A., Wyoming, Lincoln County: Upper Green River Basin: Cretaceous Mountain/Hogsback Ridge area: La Barge Creek Road, ca 7 air mi SW of La Barge.
Gravelly slopes and limestone outcrops with barren south and west exposures and sagebrush-montane shrub east exposures. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: Upper Green River Basin: Cretaceous Mountain/Hogsback Ridge area: Cretaceous Mountain, ca 0.5 air mi S to summit.
Calcareous substrate and sandy slopes with Douglas fir and limber pine on north slope. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: Upper Green River Basin: Cretaceous Mountain/Hogsback Ridge area: Hogsback Ridge, ca 3 air mi WNW of Calpet.
Calcarous caprock and limey, gravelly slopes with scattered Douglas fir and limber pine. Phenology: flowering & fruiting.

U.S.A., Wyoming, Lincoln County: Upper Green River Basin: Cretaceous Mountain/Hogsback Ridge area: Hogsback Ridge, south end; ca 3 air mi SW of Calpet.
Limestone outcrops and calcareous, gravely slopes and ridges. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: Upper Green River Basin: Cretaceous Mountain/Hogsback Ridge area: Hogsback Ridge, 5 mi NW of Calpet.
Limestone outcrops and gravelly slopes and ridges with some areas of sandy redbeds. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: Upper Green River Basin: Cretaceous Mountain/Hogsback Ridge area: The Hogsback including summit.
Calcareous outcrops and gravelly ridge and summit with scattered Douglas fir and limber pine. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: Upper Green River Basin: Cretaceous Mountain/Hogsback Ridge area: Hogsback Ridge, ca 8 air mi NW of La Barge.
Calcareous, gravelly slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: Upper Green River Basin: Cretaceous Mountain/Hogsback Ridge area: southwest corner of Cretaceous Mountain.
Limestone outcrops, limey slopes, and stream bottoms. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: Upper Green River Basin: Cretaceous Mountain/Hogsback Ridge area: Big Mesa, south end; ca 7 air mi NW of La Barge.
Limestone cobble and rimrock. Phenology: fruiting.

U.S.A., Wyoming, Sublette County: Upper Green River Basin: Cretaceous Mountain/Hogsback Ridge area: Big Mesa, west-central portion; ca 9 air mi NW of La Barge.
Limestone rimrock and gravelly area. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Willow Hill E of U.S. Hwy 287, ca 11 air mi NW of Rawlins.
Sandy sagebrush grasslands. Phenology: fruiting.
with Emmanuelle Vital

U.S.A., Wyoming, Sublette County: Upper Green River Basin: Cretaceous Mountain/Hogsback Ridge Area: northeast side of the Hogsback, ca 18 air mi SW of Big Piney. NC
Calcareous slopes and outcrops. Phenology: fruiting.

U.S.A., Wyoming, Hot Springs County: Southeastern Absarokas: along Rock Creek, ca 2.5 mi E of Washakie Needles, ca 49 air mi WNW of Thermopolis.
Stony slope along the creek.
with Robert S. Kirkpatrick

U.S.A., Wyoming, Fremont County: Southeastern Absarokas: above Parque Creek ca 3.5 air mi E of Ramshorn Peak; ca 13 air mi N of Dubois.
Rocky hilltop and slopes with calcareous rock.

U.S.A., Wyoming, Hot Springs County: Southeastern Absarokas: Castle Rocks and vicinity in North Fork Owl Creek drainage, ca 43 air mi WNW of Thermopolis.
Ridgetop meadow.

U.S.A., Wyoming, Park County: Northern Absarokas: Woody Ridge between Hayden and Republic Creeks, 3.5 air mi SSE of Cooke City, MT, ca 52.5 air mi NW of Cody.
Ridge above treeline.
Annotated by Robert A. Price in 1989.
with Ronald L. Hartman

U.S.A., Wyoming, Park County: Yellowstone National Park: Northern Absaroka: above Hoodoo Basin at the head of Lamar River between Lamar Mountain and Hoodoo Peak, ca 41 air mi WNW of Cody.
Ridgetop with volcanic rock rubble and sparse vegetation.
Accession: RM 9413, Barcode: 932978

U.S.A., Wyoming, Park County: Northern Absarokas: hill between Morning Creek and Bear Springs ca 4 air mi W of Pat O'Hara Peak, ca 21 air mi WNW of Cody.
Talus slopes below limestone cliffs. Phenology: fruiting.

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.
Stony ridges and slopes.
with Robin Jones

U.S.A., Wyoming, Washakie County: Big Horn Mountains: ca 31 air mi SE of Ten Sleep, ca 12.5 air mi SE of Big Trails.
Grassy slopes.

U.S.A., Wyoming, Big Horn County: Big Horn Mountains: above Battle Creek, ca 27 air mi E of Greybull, ca 19 air mi N of Hyattville.
At base of cliff.

U.S.A., Wyoming, Big Horn County: Big Horn Mountains: ca 26 air mi E of Lovell, ca 18 air mi WNW of Burgess Junction Duncum Mountain off Sheep Mountain Road.
Stony limestone slopes and ridges.

U.S.A., Wyoming, Johnson County: Big Horn Mountains: rim above Beartrap Meadows, ca 11.5 air mi NW of Mayoworth, ca 22.5 air mi NW of Kaycee.
Limestone ledges.

U.S.A., Wyoming, Big Horn County: Big Horn Mountains: northwest rim of Little Mountain by Kane BM, ca 14 air mi NE of Lovell.
Windswept shaly ridge.

U.S.A., Wyoming, Sheridan County: Big Horn Mountains: Duncum Mountain, ca 44.5 air mi WNW of Sheridan, ca 17 air mi NW of Burgess Junction.
On and around limestone outcrops.

U.S.A., Wyoming, Big Horn County: Big Horn Mountains: Duncum Mountain, ca 27 air mi E of Lovell, ca 17 air mi NW of Burgess Junction.
On and around limestone outcrops. Phenology: fruiting.

U.S.A., Wyoming, Big Horn County: Big Horn Mountains: Hunt Mountain, ca 20 air mi WSW of Burgess Junction; ca 32.5 air mi ESE of Lovell.
On and around rocky outcrops.

U.S.A., Wyoming, Sheridan County: Big Horn Mountains: Hunt Mountain, ca 19.5 air mi WSW of Burgess Junction; ca 39.5 air mi WSW of Sheridan.
On and around rock outcrops.

U.S.A., Wyoming, Lincoln County: Salt River Range: ridge on east side of upper Swift Creek Canyon, ca 8 mi ESE of Afton.
Community of low-growing subalpine/alpine forbs on limestone(?) ridgecrest.

U.S.A., Wyoming, Natrona County: Wind River Basin: Gas Hills Mining District: ca 7.5 air mi ENE of the junction of Wyo Hwy 136 (Gas Hills Road) and Ore Road (main road through Gas Hills Mining District).
Limber pine slopes.

U.S.A., Wyoming, Natrona County: Ca 6 air mi N of Arminto.
Rocky slopes under and around Pinus flexilis.

U.S.A., Wyoming, Fremont County: Edge of Government Meadows, ca 4.5 air mi NNE of Sweetwater Station.
Sandy sagebrush grassland.

U.S.A., Wyoming, Fremont County: Granite Mountain Uplift: top of Beaver Rim: Devils Gap, ca 7 air mi NNW of Sweetwater Station.
South facing slope.
with Georgia Haines

U.S.A., Wyoming, Carbon County: Red Hills, WNW of Muddy Gap, 2.5 air mi WSW of Muddy Gap Junction.
Outcrop of boulders.

U.S.A., Wyoming, Fremont County: Top of Beaver Rim, SW of Devils Gap, ca 6.5 air mi NNW of Sweetwater Station.
Sandy soil under Pinus flexilis.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: ridge E of East Glacier Lake.
Rocky, west-facing slope.
with Claudia Regan and Bob Musselman

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: ridge E of East Glacier Lake.
Wind-swept ridge.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: just ENE of Little Brooklyn Lake.
Dry, open meadow.
Annotated by Robert Price, 1992.
with Kim Zawadzki, Tom Fletchall

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: rocks above Lost Pond.
Rocky slope.
Annotated by Robert Price, 1992.
with Kim Zawadzki, Tom Fletchall

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: rocky slopes above and N of pond E of ridge E of East Glacier Lake.
Mafic dyke.
Annotated by Robert Price, 1992.
with Deana Hopkins and Maria Hille

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Cherry Creek, ca 5.2 air mi S of Wyo Hwy 220; ca 13.6 air mi SW of Independence Rock.
Barren, calcareous knoll; cushion plants dominate. Phenology: fruiting.

U.S.A., Wyoming, Big Horn County: Big Horn Mountains: Medicine Lodge Canyon, along Cold Springs Road, ca 8 air mi NE of Hyattville.
Juniper/sagebrush, sandy slopes, upper reaches of canyon, with juniper and mountain mahogany; canyon.
with Ronald L. Hartman

U.S.A., Wyoming, Big Horn County: Big Horn Mountains: John Blue Canyon Road, 5.9 mi NNE of U.S. Hwy 14A.
Limestone outcrops and slopes with Juniperus osteosperma, and rocky slopes; outcrops.
with Ronald L. Hartman

U.S.A., Wyoming, Park County: Northern Absorokas: North Fork of the Shoshone River Drainage: Shoshone Canyon, N of Shoshone River, just below Buffalo Bill Dam.
Lower canyon slopes, north of river. Phenology: fruiting.

U.S.A., Wyoming, Park County: North Fork of the Shoshone River Drainage: Cedar Mountain, ca 5.5 air mi WSW of Cody.
Summit and upper reaches, dolomite outcrops with Pinus flexilis and Pseudotsuga, grass openings; outcrops. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Bighorn Basin: Pappapau Buttes.
Sandstone buttes, outcrops with Juniperus scopulorum, Pinus flexilus, and Pseudotsuga, lower sagebrush slopes, sandy plains above ridges; slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Absaroka Mountains: ca 22 air mi WSW of Meeteetse, ca 1 mi NE of Phelps Mountain.
Alpine slopes.
Robert S. Kirkpatrick, 1068. 7/12/1983.
with Ruth E. B. Kirkpatrick

U.S.A., Wyoming, Park County: Absaroka Mountains: ca 24 air mi WSW of Meeteetse, in the vicinity of Jack Creek Cabin, ca 1 mi NW of Phelps Mountain.
Open slopes bordered by Engelmann spruce.
Robert S. Kirkpatrick, 1120. 7/12/1983.
with Ruth E. B. Kirkpatrick

U.S.A., Wyoming, Park County: Absaroka Mountains: ca 18 mi W of Meeteetse, base of Carter Mountain along Rawhide Creek.
Sagebrush grasslands, with scattered limber pine.
with Ruth E. B. Kirkpatrick

U.S.A., Wyoming, Fremont County: Absaroka Mountains: ca 9 mi NE of Dubois, ca 2 mi NW of junction of East Fork Wind River and Bear Creek.
Exposed ridge tops not dominated by sagebrush; dry sites.

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.
Sagebrush grasslands (Artemisia tridentata var. wyomingensis) with scattered Pinus flexilis; limestone with occasional cliffs dry sites.

U.S.A., Wyoming, Hot Springs County: Absaroka Mountains: ca 22 air mi SSW of Meeteetse, ca 0.5 mi N of the headwaters of Grass Creek, S of Twin Lakes.
Dry meadows on ridge with Trifolium dasyphyllum var. uintense.

U.S.A., Wyoming, Park County: Absaroka Mountains: ca 15 air mi SW of Meeteetse, in the vicinity of Sheep Point.
Sagebrush grasslands with Crysothamnus; dry slopes.

U.S.A., Wyoming, Hot Springs County: Absaroka Mountains: ca 21 air mi SSW of Meeteetse, in the vicinity of the headwaters of West Grass Creek.
Subalpine "fellfields" on exposed ridges with Trifolium dasyphyllum; dry areas.

U.S.A., Wyoming, Park County: Absaroka Mountains: ca 18 air mi WSW of Meeteetse, West Fork Timber Creek, ca 1 mi W of the Timber Creek Ranger Station.
Sagebrush with scattered Pinus flexilis; dry areas.

U.S.A., Wyoming, Fremont County: Absaroka Mountains: ca 10 air mi NE of Dubois, on the north end and in the vicinity of Black Mountain.
Pseudotsuga menziesii and Pinus flexilis on limestone scree and talus with scattered rocky outcrops; dry open areas.

U.S.A., Wyoming, Fremont County: Absaroka Mountains: ca 14 air mi ENE of Dubois along Indian Ridge N to Telephone Draw.
Alpine fell fields along a calcareous ridge; dry areas.

U.S.A., Wyoming, Fremont County: Absaroka Mountains: ca 14 air mi NNW of Dubois, cirque at the headwaters of Burroughs Creek, ca 1 air mi NNE of Ramshorn Peak.
Alpine meadows with Geum rossii.

U.S.A., Wyoming, Park County: Absaroka Mountains: ca 21 air mi W of Meeteetse, along ridge between the North Fork Pickett Creek and Little Rose Creek, up to Peak 11448.
Alpine fell fields.

U.S.A., Wyoming, Natrona County: Big Horn Mountains: ca 20.5 air mi N of Arminto.
Limestone outcrop.

U.S.A., Wyoming, Washakie County: Big Horn Mountains: ca 17 air mi SSW of Big Trails.
Limestone outcrop on west exposure.

U.S.A., Wyoming, Park County: Bighorn Basin: Sunshine Creek Road, ca 4.5 air mi W of Sunshine Reservoir Dam.
44.06972° N, 109.1456° W; unknown, uncertainty 1 mi., Specimen Label
Plains and eroded ridge with sandstone and shales. Phenology: fruiting.
with Keith H. Dueholm

U.S.A., Wyoming, Carbon County: Ferris Mountains.
North exposure; rocky slope.

U.S.A., Wyoming, Park County: Beartooth Plateau: Beartooth Butte: top and upper slopes.
Alpine; top. Phenology: fruiting.
Accession: RM 861679, Barcode: USFS0043034

U.S.A., Wyoming, Park County: Beartooth Plateau: Beartooth Butte: top and upper slopes.
Alpine; top. Phenology: vegetative only.
Accession: RM 861639, Barcode: USFS0043039

U.S.A., Wyoming, Natrona County: Rattlesnake Mountains: Garfield Peak and northeast slope.
Sandstones, shales, and limestone on lower slopes with granite above; streambanks, open slopes, and limber pine woodlands.
with Gael Fonken

U.S.A., Wyoming, Park County: West ridge leading to summit of Heart Mountain.
Open slopes and ridges and badlands; sandstone and shales.

U.S.A., Wyoming, Park County: Beartooth Mountains: Line Creek drainage: ca 8 air mi NW of Clark.
Open rocky slopes and moist stream side. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Absaroka Mountains: 0.5 air mi N of Timber Creek Ranger Station.
Sandstone and shale ridge with scattered limber pine.

U.S.A., Wyoming, Park County: Absaroka Mountains: Pickett Creek.
Creek bottom with scattered engelmann spruce, cottonwood, and willows and adjacent rocky benches.
with Robert S. and Ruth E. B. Kirkpatrick

U.S.A., Wyoming, Park County: Absaroka Mountains: confluence of Jack Creek and Greybull River.
Rolling grassy slopes with scattered limber pine and some douglas fir.
with Robert S. and Ruth E. B. Kirkpatrick

U.S.A., Wyoming, Park County: Absaroka Mountains: just N of Dick Creek, 5 air mi NNE of Wood River Forest Service Station.
Rolling grassy hills with big sagebrush, drainages, and rocky slopes and ridges with scattered limber pine and some douglas fir.
with Robert S. Kirkpatrick

U.S.A., Wyoming, Fremont County: Absaroka Mountains: along Horse Creek, ca 0.5 mi NE of Horse Creek Campground or ca 10 air mi N of Dubois.
Open, grassy limestone outcrops with mixed stands of lodgepole and limber pines and douglas fir, also adjacent river bottoms.
with Robert S. and Ruth E. B. Kirkpatrick

U.S.A., Wyoming, Fremont County: Absaroka Mountains: junction of Wiggins Fork and Frontier Creek at Double Cabin Campground.
River flood plains and adjacent rolling grassy slopes and lodgepole pine forest.

U.S.A., Wyoming, Hot Springs County: Absaroka Mountains: ca 40 air mi W of Thermopolis on South Fork Owl Creek Road, ca 3.5 road mi SW of Middle Fork Owl Creek crossing.
Open grassy slopes with some big sagebrush, drainages, and wooded slopes with limber pine, douglas fir, and engelmann spruce.
with Robert S. Kirkpatrick

U.S.A., Wyoming, Park County: Southeastern Absarokas: Francs Fork, 4-6 air mi SSW of trailhead.
Alpine meadows.

U.S.A., Wyoming, Park County: Southeastern Absarokas: 1-1.5 air mi NW of Kirwin, upper Brown Basin and Greybull Pass.
Alpine slopes and rocky outcrops.

U.S.A., Wyoming, Fremont County: Southeastern Absarokas: ridge N of Ramshorn Basin and vicinity of Deacon Lake.
Coniferous forest, grassy ridge, and high basin with internal drainage; open ridege.

U.S.A., Wyoming, Natrona County: Wind River Basin: Rattlesnake Mountains: ca 6 air mi WNW of Garfield Peak.
Sagebrush covered hills, south-exposed slopes, ridge, and sandstone outcrops and moist stream drainage; upland areas.
with June Haines

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Whiskey Gap at west end of Ferris Mountains, ca 2.5 air mi SE of Three Forks Junction; ca 10 air mi NE of Bairoil.
Southeast facing slope of loose limestone shale with scattered limber pine. Phenology: fruiting.

U.S.A., Wyoming, Park County: Northern Absarokas: 6 air mi SSE of Silver Gate, Montana.
Alpine meadows and ridges. Phenology: fruiting.

U.S.A., Wyoming, Park County: Northern Absarokas: Yellowstone National Park: 0.5-1 air mi S of Republic Pass; or ca 5 air mi S of Silver Gate, Montana.
Alpine meadows and rocky slopes.

U.S.A., Wyoming, Park County: Yellowstone National Park: Northern Absarokas: on the divide 6-9 air mi SSE of Silver Gate, MT.
Alpine meadows and rocky slopes.

U.S.A., Wyoming, Park County: Northern Absaroka: ridge and drainage 1-2 air mi W of Russell Peak to summit; ca 6 air mi NNE of Sunlight Ranger Station.
Open slopes and coniferous woodlands. Phenology: fruiting.

U.S.A., Wyoming, Park County: Northern Absarokas: Pat O'Hara Peak, ca 2 mi W of summit.
Open grassy slopes with limestone outcrops and spruce woodland margins. Phenology: fruiting.

U.S.A., Wyoming, Park County: Northern Absarokas: Pat O'Hara Peak summit and adjacent northern exposure.
Open, grassy slopes and limestone outcrops with some volcanics at summit. Phenology: fruiting.

U.S.A., Wyoming, Park County: Beartooth Plateau: Shoshone National Forest: Morrison Trail at south end of plateau, ca 12 air mi SW of Clark.
On calcareous outcrop. Phenology: fruiting.
with Kent Houston

U.S.A., Wyoming, Park County: Northern Absarokas: Hurricane Mesa, ca 8 air mi W of Crandall Ranger Station.
Alpine meadows and rock outcrops. Phenology: flowering & fruiting.
with T. J. Poll

U.S.A., Wyoming, Park County: Northern Absarokas: Hurricane Mesa, ca 8 air mi W of Crandall Ranger Station.
Alpine meadows and rock outcrops.
Annotated by Robert A. Price in 1989.
with T. J. Poll

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: Green River Lakes Area, White Rock Mountain.
Alpine slope on limestone.
Annotated by Walter Fertig.
with Walter Fertig and B. E. Nelson

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: Little Sheep Mountain, south slope from Gypsum Park to summit.
Grassy to talus slopes.
Annotated by Walter Fertig.
with T. J. Poll

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.
Alternating strata of limestone and sandstone outcrops with scattered juniper.

U.S.A., Wyoming, Fremont County: Owl Creek/Bridger Mountains: Bridger Mountains: Birdseye Pass to summit to west.
Shale slopes below, limestone outcrops above with sagebrush predominating.

U.S.A., Wyoming, Big Horn County: Big Horn Mountains: ca 1 air mi SW of Tyrrell Ranger Station.
Limestone outcrops and atop caprock.
with Ann Odasz

U.S.A., Wyoming, Sheridan County: Big Horn Mountains: Bighorn National Forest: Ice Creek, ca 8.8 air mi W of Burgess Junction.
Openings on slopes and ridges.
with Ann Odasz

U.S.A., Wyoming, Sheridan County: Big Horn Mountains: Bighorn National Forest: Antelope Ridge, ca 10 air mi W of Burgess Junction.
Alpine slopes and ridge.
with Ann Odasz

U.S.A., Wyoming, Johnson County: Big Horn Mountains: ca 1 air mi W of Dullknife Reservoir spillway.
Hill with limestone outcrops, scattered wooded slopes, and meadows.

U.S.A., Wyoming, Johnson County: Big Horn Mountains: Arch Creek, ca 9 air mi WNW of Mayoworth.
Limestone outcrops, rocky slopes, and grassy hill tops.

U.S.A., Wyoming, Johnson County: Big Horn Mountains: Snow Cave Ridge, ca 8 air mi WNW of Mayoworth.
Limestone outcrops and grassy slopes.

U.S.A., Wyoming, Fremont County: West Slope Wind River Range: west slope and western crest of Roaring Fork Mountain, ca 0.5 mi N of West Atlantic Peak, ca 45 air mi SE of Pinedale.
Grassy, open ledges between rock outcrops in alpine zone.

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: north slope of Gypsum Mountain, ca 29 air mi N of Pinedale.
Open canopy limestone-shale crumbly talus on alpine ridge separating two small cirques.

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: East and west face of White Rock Mountain, ca 27 air mi N of Pinedale.
Limestone/sandstone boulder field on rocky spine and east-facing slope.

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: west face of White Rock, adjacent to upper Green River Lake, ca 28 air mi N of Pinedale.
Limestone outcrop.

U.S.A., Wyoming, Teton County: West Slope Wind River Range: North Fork Fish Creek, ca 32 air mi NE of Jackson.
Sandstone bluff.

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: southwest crest of Osborn Mountain and western ridgeline, ca 31 air mi N of Pinedale.
Krummholz.

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: Osborn Mountain, ca 32 air mi N of Pinedale.
Subalpine open meadow on sandy soil.

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: Big Sheep Mountain, ca 29 air mi N of Pinedale.
Alpine ridge and summit.

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: Gypsum Mountain, ca 28 air mi N of Pinedale.
Alpine broken limestone/shale talus slope on W flank of Gypsum Peak.

U.S.A., Wyoming, Fremont County: West Slope Wind River Range: Acorn Ridge, Sweetwater River, ca 4 air mi NW of Wyo Hwy 28, ca 37 air mi NE of Farson.
Broken shale outcrop on south face of ridge near summit.

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: Prospect Mountains, ca 26 air mi NE of Farson.
Open, flat, boulder-strewn summit.

U.S.A., Wyoming, Fremont County: West Slope Wind River Range: Pine Creek, 0.5 mi W of Wyo Hwy 28, ca 3.5 air mi W of South Pass City.
Rocky sagebrush grassland on ridge above creek. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Baker Cabin or County Road 108 between North Fork Cottonwood Creek and Gray Wall, ca 12 air mi NE of Arminto; ca 51 air mi NW of Casper.
Stony, calcareous knoll with cushion plants and mountain mahogany thickets. Phenology: fruiting.

U.S.A., Wyoming, Sublette County: Green River Basin: east side of Elk Mountain, ca 2.5 air mi W of Elkhorn Junction.
Sagebrush flats, slopes, and windswept hill tops. Phenology: fruiting.

U.S.A., Wyoming, Sublette County: Green River Basin: east side of Hogsback Ridge above Calpet, ca 7.5 air mi W of La Barge.
Shrubby, northeast-facing hillside, open ridgetops, south-facing slopes, and Douglas fir shaded gulch bottom. Phenology: fruiting.

U.S.A., Wyoming, Fremont County: Green River Basin: ca 3 air mi WSW of South Pass City on the east side of Wyo Hwy 28.
Low sagebrush gravel flats. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: Green River Basin: Elk Mountain, ca 22.5 air mi NE of Farson.
Windswept rocky ridgetop. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: Green River Basin: north end of Miller Mountain, ca 14.5 air mi W of La Barge.
Rocky shrubless hilltop with sparse cushion plants. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Green River Basin: Continental Divide at Sweetwater River and Palmer Draw, ca 10 air mi W of South Pass City.
Streamside, Douglas fir canyonside, sagebrush slopes, and open rocky ridges. Phenology: fruiting.

U.S.A., Wyoming, Sublette County: Green River Basin: southern end on the east side of the Prospect Mountains, ca 17 air mi W of South Pass City.
Sagebrush slopes and hills, open rocky ridges, aspen groves, and pine stands. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: N of County Road 295, ca 19.5 air mi SE of Alcova townsite.
Chalky hills; sagebrush-grassland leading into barren knolls of cushion plants. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: Ca 1 air mi N of Rawlins.
T21N R87W S8 SW1/4 of SE1/4
Shallow loam of sagebrush-grassland with Phlox hoodii, Purshia tridentata and Poa fendleriana. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Rawlins Uplift: above Bureau of Land Management District Office; just N of Rawlins.
T21N R87W S8 SW1/4 of SE1/4
Occasional on rocky hillside with Agropyron spicatum, Haplopappus acaulis, and Artemisia nova. Phenology: fruiting.

U.S.A., Wyoming, Albany County: Plumbago Canyon.
Steep slopes. Phenology: fruiting.

U.S.A., Wyoming: Laramie Hills.

U.S.A., Wyoming, Albany County: Laramie Hills.
Sandy slopes and stony ledges. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Telephone Mines.
On the alpine slopes. Phenology: fruiting.

U.S.A., Wyoming: Medicine Bow Mountains.
with Ruth A. Nelson

U.S.A., Wyoming, Albany County: Laramie.
Sandy hilltops. Phenology: fruiting.

U.S.A., Wyoming, Sweetwater County: Bush Ranch.

U.S.A., Wyoming, Albany County: Laramie.
Aven Nelson, s.n.. 6//1893.

U.S.A., Wyoming, Albany County: Laramie Hills.

U.S.A., Wyoming, Carbon County: Sheephead Mountain area, east base of mountain.
Frequent in sandy, gravely soil. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: 10 mi N of Saratoga.
41.5902° N, 106.8227° W; NAD 83, uncertainty 1 mi., Digital Map
Dry hills. Phenology: fruiting.
with Lois B. Payson

U.S.A., Wyoming, Carbon County: Southwest corner of Bates Hole.
with Lois B. Payson

U.S.A., Wyoming, Carbon County: Freezeout Hills, N of Medicine Bow
Beneath Cercocarpus bushes. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: Freezeout Hills.

U.S.A., Wyoming, Albany County: La Plata Mines.

U.S.A., Wyoming, Carbon County: 7 mi N of Medicine Bow.

U.S.A., Wyoming, Sweetwater County: Oregon Butte Road from South Pass City, 13 mi E of main highway.
On knoll of Franklin limestone. Phenology: fruiting.
with Maude C. Wiegand

U.S.A., Wyoming, Carbon County: TB Ranch.
42.0774° N, 106.2005° W; NAD 83, uncertainty 0.5 mi., Digital Map
Barren, desert, rocky flats. Phenology: fruiting.
Leslie N. Goodding, 58. 6/20/1901.

U.S.A., Wyoming, Carbon County: Stratton Hydrology Study Area: Sane Creek Upland.
Sagebrush rangeland. Phenology: fruiting.
Max H. Schroeder, s.n.. 6/14/1973.
with Gary L. Ranck

U.S.A., Wyoming, Carbon County: Stratton Hydrology Study Area: Loco Creek Meadow.
Sagebrush rangeland. Phenology: fruiting.
Max H. Schroeder, s.n.. 6/13/1973.
with Gary L. Ranck

U.S.A., Wyoming, Carbon County: Stratton Hydrology Study Area: Sane Creek Upland.
Sagebrush rangeland. Phenology: flowering.
Max H. Schroeder, s.n.. 6/6/1973.
with Gary L. Ranck

U.S.A., Wyoming, Carbon County: 5 mi W of Rawlins, W of Cherokee Creek, N of Hogback Lake; rocky hill on road to gravel pit from I-80, near Barnes Road.
T21N R89W
Common, in crevices of rocks. Phenology: flowering.

U.S.A., Wyoming, Albany County: E of Centennial, near Table Top
Plains. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Rawlins.
Dry, rock ledges Phenology: fruiting.
with Leroy Peiler

U.S.A., Wyoming, Sweetwater County: Red Desert: Great Divide Basin: North Table Mountain.
Growing on the north and eastern slopes in friable soils, dry rock soil. Phenology: fruiting.

U.S.A., Wyoming, Albany County: Medicine Bow National Forest: vicinity Brooklyn Lake Guard Station.
Shallow, rocky loam on 5% W slope with Carex, Poa Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Ca 46 air mi SW of Pilot Butte, ca 35 air mi SW of Green River.
Dominant species include Artemisia tridentata, Symphoricarpos oreophilus, Poa fendeleriana, and Phlox hoodii in shallow loamy soil. Phenology: flowering & fruiting.
Ray A. Christensen, 23. 6/6/1979.

U.S.A., Montana, Carbon County: Beartooth Mountains: Custer National Forest: along Line Creek from Wyoming N ca 1/3 mi, ca 12.5 air mi S of Red Lodge.
On dolomite flat irons. Phenology: fruiting.
with Emily Elliott
Accession: USFS 864444, Barcode: USFS0045082

U.S.A., Wyoming, Park County: Beartooth Mountains: Shoshone National Forest: ridge S of Line Creek, ca 0.3-0.5 mi S of Montana, ca 37 air mi NNW of Cody.
Slopes of decomposing granite or redbeds with limber pine and Douglas fir. Phenology: flowering & fruiting.
with Emily Elliott
Accession: USFS 861310, Barcode: USFS0043046

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.
Limestone outcrop. Phenology: flowering & fruiting.
with Brian Elliott
Accession: USFS 864423, Barcode: USFS0045078

U.S.A., Montana, Carbon County: Beartooth Mountains: E of Meeteetse Trail Road, ca 5 air mi SE of Red Lodge.
South-facing open grass/forb meadow into riparian area to northeast-facing grass/forb slope. Phenology: flowering & fruiting.
with Brian Elliott

U.S.A., Montana, Park County: Absaroka Mountains: ca 3.5 air mi NNW of National Forest, ca 2 air mi E of Livingston.
Open cobbly hills dominated by low forbs. Phenology: fruiting.
with Brian Elliott

U.S.A., Montana, Gallatin County: Gallatin Range: Gallatin National Forest: Buffalo Horn Creek, 1.4 road mi up stream.
Limestone Cliffs. Phenology: fruiting.

U.S.A., Montana, Park County: Absaroka Range: Gallatin National Forest: E of Forest Road 2532, ca 5.8 air mi SE of Livingston.
Limestone cliffs with talus slope below. Phenology: fruiting.
with Ken Elliott

U.S.A., Montana, Carbon County: Beartooth Mountains: Custer National Forest: Hellroaring Plateau, ca 14.5 air mi SW of Red Lodge.
Subalpine meadow dominated by sedges and forbs; basin bottom and ridge in sub-alpine. Phenology: fruiting.
with Dean Sherman

U.S.A., Wyoming, Park County: Beartooth Mountains: Line Creek just S of Montana.
Stream margin, rocky slopes and ridges, redbeds. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: southeast-facing hill, N of Forest Road 111, ca 1 1/4 air mi W of intersection of Forest Road 111 and I-80, ca 1.5 air mi W of Arlington.
Transition from sagebrush to draw. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: White Rock Canyon, ca 0.5 air mi W of Forest Road 111, ca 5 air mi WSW of Arlington; ca 28 air mi NNE of Saratoga.
Foot of white rock outcrops/cliffs in gravelly soil with scattered limber pine and Douglas fir. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: Spring Creek and Tableland Ditch, E of County Road 101 (Medicine Bow River Road), ca 10 air mi W of Arlington; ca 23 air mi NE of Saratoga.
Grassland. Phenology: fruiting.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: Rock Creek Point and vicinity, just W of Forest Road 329, ca 7 air mi N of Centennial; ca 14 air mi SSE of Arlington.
Rocky windswept subalpine ridge, low vegetation. Phenology: fruiting.
with Patricia E. Lukas

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Shirley Mountains: Pryor Flats Recreational Area, 0.5 air mi S of County Road 102; ca 20.2 air mi SW of Shirley Basin townsite.
Granite outcrops among aspen, limber pine, and subalpine fir. Phenology: fruiting.

U.S.A., Montana, Meagher County: Lewis and Clark National Forest: Castle Mountains: Forest Road 581, ca 4.5 air mi SW of Checkerboard.
46.5387° N, 110.6174° W; NAD 83, uncertainty 0.25 mi., GPS reading
Stunted junipers and Pseudotsuga; open exposed limestone ridge. Phenology: fruiting.
1. Draba oligosperma Hook. var. oligosperma .

U.S.A., Montana, Judith Basin County: Lewis and Clark National Forest: Little Belt Mountains: Gibson Peak, along Trail 446, off of Forest Road 266.
46.947° N, 110.4491° W; NAD 83, uncertainty 0.25 mi., GPS reading
Sub alpine, scattered Pinus flexilis, Abies lasiocarpa, and Picea glauca; exposed limestone ridge and peak. Phenology: flowering & fruiting.
1. Draba oligosperma Hook. var. oligosperma .

U.S.A., Montana, Meagher County: Lewis and Clark National Forest: Little Belt Mountains: junction of Forest roads 6503 and 831, ca 7 air mi N of Newland Creek Reservoir.
46.737° N, 110.9605° W; NAD 83, uncertainty 0.25 mi., GPS reading
Open ridge leading to forested peak; Pinus contorta and Pseudotsuga menziesii, limestone outcrops. Phenology: fruiting.
1. Draba oligosperma Hook. var. oligosperma .

U.S.A., Montana, Lewis and Clark County: Lewis and Clark National Forest: Front Range: Cigarette Rock, ca 9 air mi S of Benchmark airstrip.
Ridge and peak of exposed limestone; northeast and southwest aspects, 0-45% slope. Phenology: fruiting.

U.S.A., Montana, Lewis and Clark County: Lewis and Clark National Forest: Front Range: on ridge across valley, S of Deadman Hill, part of "Nineteen Ridge", sandstone ridge and peak on north side of main ridge, ca 4 air mi NW at South Fork Sun River Trail head
Along ridge up to peak mixed burned/unburned; burned on north side, ridge running NNE to SSW; 0-50% slope; exposed sandstone. Phenology: fruiting.

U.S.A., Montana, Meagher County: Lewis and Clark National Forest: Castle Mountains: ca 1.5 air mi SW of Checkerboard on Forest Road 581.
High exposed ridge. Phenology: flowering & fruiting.
Annotated by Rick McNeill.
with Rick McNeill

U.S.A., Montana, Lewis and Clark County: Lewis and Clark National Forest: Front Range: ca 18 air mi NW of Augusta; lower dam site at entrance to Sun River Canyon.
Limestone escarpment and adjacent outcrops. Phenology: fruiting.
with Rick McNeill

U.S.A., Montana, Lewis and Clark County: Lewis and Clark National Forest: Front Range: Forest Road 235, near Forest boundary, ca 14 air mi SW of Augusta.
Limestone outcrop adjacent to road. Phenology: fruiting.
Annotated by Rick McNeill.

Annotated by Rick McNeill.
with Rick McNeill

U.S.A., Montana, Meagher County: Lewis and Clark National Forest: Crazy Mountains: long ridge leading to base of summit of Loco Mountain.
Alpine ridge, rocky, talus slopes, patches of whitebark pine, granitic (gray with scattered flakes of black). Phenology: fruiting.

U.S.A., Montana, Park County: Absaroka Range: ca 3.5 air mi NNW of National Forest; ca 2 air mi E of Livingston.
Open cobbley hills, dominated by low forbs. Phenology: fruiting.

U.S.A., Montana, Park County: Absaroka Range: Gallatin National Forest: along Suce Creek Trail in the vicinity of Elephanthead Mountain, ca 10 air mi SE of Livingston; then N to Mission Creek.
Alpine below dolomite cliffs dominated by forbs. Phenology: flowering.

U.S.A., Wyoming, Park County: Beartooth Mountains: Shoshone National Forest: S from Line Creek Plateau Trailhead on U.S. Hwy 212, ca 14 air mi SW from Red Lodge.
Moist alpine meadows dominated by forbs with scattered rock outcrops. Phenology: flowering.
with Brian Elliott and Melanie Shade

U.S.A., Wyoming, Park County: Beartooth Mountains: Beartooth Plateau: Shoshone National Forest: ca 17.5 air mi SSW of Red Lodge along U.S. Hwy 212, starting at the Beartooth Loop Trailhead going N along the plateau.
Alpine meadow in rocky decomposing granite. Phenology: flowering.
with Melanie Shade

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.
South-facing limestone cliffs and talus. Phenology: fruiting.

U.S.A., Montana, Gallatin County: Gallatin Range: Gallatin National Forest: Ramshorn Peak, ca 36 air mi S of Bozeman
Alpine meadow with conglomerate rocky outcrops. Phenology: flowering & fruiting.

U.S.A., Montana, Gallatin County: Gallatin Range: Gallatin National Forest: Twin Peaks, ca 36 air mi S of Bozeman.
Alpine meadow with conglomerate rocky outcrops. Phenology: flowering & fruiting.

U.S.A., Montana, Sweet Grass County: Absaroka Range: Gallatin National Forest: N of Rainbow Lakes on Lake Plateau, ca 40 air mi SSW of Big Timber; from the Box Canyon Trailhead over the Lake Plateau to the Upsidedown Creek Trailhead on Forest Road 6639.
Alpine meadow with moist to saturated soils. Phenology: flowering.

U.S.A., Wyoming, Park County: Beartooth Mountains: Shoshone National Forest: Beartooth Plateau: near Clay Butte Lookout/Visitor Center, along U.S. Hwy 212, ca 24 air mi SW of Red Lodge, Montana.
Alpine meadow with limestone outcrops. Phenology: flowering & fruiting.

U.S.A., Montana, Park County: Absaroka Range: Near West Boulder Plateau and Falls Creek, ca 35 air mi SSW of Big Timber.
Vegetated talus slope in subalpine zone. Phenology: fruiting.

U.S.A., Montana, Park County: Absaroka Range: Gallatin National Forest: West Boulder Plateau, ca 32.5-33 air mi SSW of Big Timber.
Alpine meadow with talus and boulder fields. Phenology: fruiting.

U.S.A., Montana, Carbon County: Beartooth Mountains: Gallatin National Forest: from Wyoming along trail NNE towards Crazy Mountain and around Crazy Mountain and Farley Lake, ca 25-26 air mi WSW of Red Lodge.
Subalpine with forb dominated meadows with scattered Abies, Pinus albicaulis, and Picea stands and rock outcrops. Phenology: fruiting.
with Bernadette Kuhn

U.S.A., Montana, Carbon County: Beartooth Mountains: Custer National Forest: near the west side of Hellroaring Plateau, ca 15.5 air mi SW of Red Lodge.
Alpine meadow with rocky outcrop. Phenology: fruiting.
with Bernadette Kuhn

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Shirley Mountains: Shirley Loop Road near radio towers, ca 12.5 air mi SE of Leo.
Artemisia tripartita and mixed grasses on chalky substrate. Phenology: fruiting.

U.S.A., Montana, Park County: Beartooth Mountains: Gallatin National Forest: Henderson Mountain, ca 2.5-3 air mi N of Cooke City.
Rocky alpine ridge. Phenology: flowering & fruiting.

U.S.A., Montana, Park County: Beartooth Mountains: Custer National Forest: Sheep Mountain, ca 3.5 air mi N of Cooke City.
Alpine meadows on north end of mountain. Phenology: flowering & fruiting.

U.S.A., Montana, Park County: Beartooth Mountains: Gallatin National Forest: Sheep Mountain, ca 3.5 air mi N of Cooke City.
Grassy to rocky alpine ridge. Phenology: fruiting.

U.S.A., Montana, Park County: Beartooth Mountains: Gallatin National Forest: Sheep Mountain, ca 3.5 air mi N of Cooke City.
Rocky ridge. Phenology: fruiting.

U.S.A., Wyoming, Park County: Beartooth Mountains: Shoshone National Forest: Wyoming Creek and upstream, ca 36.5 air mi NNW of Cody.
Rocky slopes, meadows, and wet areas. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Beartooth Mountains: Shoshone National Forest: Wyoming Creek and upstream, ca 36.5 air mi NNW of Cody.
Rocky slopes, meadows, and wet areas. Phenology: fruiting.

U.S.A., Montana, Wheatland County: Lewis and Clark National Forest: Little Belt Mountains: Clarks Desert, Forest Road 6519, above Iron Springs Coulee, ca 5 air mi SE of Bluff Mountain.
Open meadow, few stunted Pinus flexilis; 0-5% slope; south aspect; limestone. Phenology: fruiting.

U.S.A., Montana, Meagher County: Lewis and Clark National Forest: Castle Mountains: Forest Road 581 S of Limestone Ridge, 1/4 mi N of the junction with Forest Road 211.
Exposed limestone ridge; south and north aspects; 0-7% slope; occasional Pinus flexilis and Juniperus communis. Phenology: flowering & fruiting.

U.S.A., Montana, Meagher County: Lewis and Clark National Forest: Castle Mountains: Forest Road 581 on Yankee Jim Ridge, ca 0.5 mi E of Hensely Creek.
Lightly forested slope, Pseudotsuga menziesii and Artemisia tridentata; east aspect; 15% slope; limestone. Phenology: flowering.

U.S.A., Montana, Meagher County: [location and coordinates withheld]
Talus slope; west aspect; 15-35% slope; granite/sandstone. Phenology: fruiting.

U.S.A., Montana, Teton County: Front Range: Ear Mountain Trail, ca 0.7 air mi WSW of trailhead.
Exposed limestone ridge; northeast aspect; 5-15% slope; ridge running northwest to southeast; shallow soils. Phenology: fruiting.
with Addy Wycgans

U.S.A., Montana, Teton County: Front Range: open ridge, ca 2.2 air mi SW of Ear Mountain Trailhead.
Exposed rock ridge, blue/ gray siltstone; northeast aspect; 0-15% slope. Phenology: fruiting.
with Addy Wycgans

U.S.A., Montana, Lewis and Clark County: Lewis and Clark National Forest: Front Range: Scapegoat Mountain, ca 3 air mi SSW of Halfmoon Peak.
Limestone peak; all aspects; 0-40% slope. Phenology: fruiting.

U.S.A., Montana, Lewis and Clark County: Lewis and Clark National Forest: Front Range: pass on Crown Mountain Trail (Forest Trail 270), ca 0.5 mi S of Crown Mountain.
Talus saddle, very little soil development; all aspects; 10-40% slope; scattered Abies lasiocarpa krummholz. Phenology: fruiting.

U.S.A., Montana, Lewis and Clark County: Helena National Forest: Front Range: ridge ca 1 1/4 air mi W of Red Mountain.
Exposed limestone ridge, cliffs on south side of ridge, talus to shallow soil; 0-20% slope; Pinus flexilis and Pinus contorta krummholz. Phenology: fruiting.

U.S.A., Montana, Lewis and Clark County: Helena National Forest: Front Range: Green Mountain, ca 2.5 air mi SSE of Red Mountain.
Peak; all aspects; 0-45% slope; scattered Abies lasiocarpa, Pinus contorta, and Pinus flexilis; shallow dry soils, banded gneiss. Phenology: fruiting.

U.S.A., Montana, Park County: Absaroka Range: Gallatin National Forest: W of Main Boulder Ranger Station, ca 25.5 air mi SW of Big Timber.
On south- and east-facing slopes, mixed forest with limber pine, aspen, Douglas fir, and open meadows. Phenology: fruiting.

U.S.A., Montana, Park County: Absaroka Range: Gallatin National Forest: below Mount Rae W of Main Boulder Ranger Station, ca 26 air mi SW of Big Timber.
On and below south-facing limestone bluffs, recently burned Douglas fir forest, scattered aspen and lodgepole pine. Phenology: flowering.

U.S.A., Montana, Park County: Absaroka Range: Gallatin National Forest: below Mount Rae W of Main Boulder Ranger Station, ca 26 air mi SW of Big Timber.
On east-facing slope on limestone bluffs, recently burned spruce and lodgepole pine, now forb dominated. Phenology: flowering & fruiting.

U.S.A., Montana, Carbon County: Beartooth Mountains: Custer National Forest: Line Creek Plateau: S of Mount Tolman, ca 10.5 to 12.5 air mi SW of Red Lodge.
Forb dominated alpine meadow. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Beartooth Mountains: Shoshone National Forest: Beartooth Plateau: ca 3.5 mi ESE of Beartooth Pass, 18-19 air mi SSW of Red Lodge, Montana.
Granite rock outcrops.

U.S.A., Wyoming, Park County: Beartooth Mountains: Shoshone National Forest: Beartooth Plateau: near and on Tolman Mountain, ca 4.5 air mi SE of Beartooth Pass, ca 18.5 air mi SSW of Red Lodge, Montana.
Alpine meadows. Phenology: fruiting.

U.S.A., Montana, Gallatin County: Bridger Range: Gallatin National Forest: along trail 1/2 to 3/4 mi W of Fairy Lake, ca 15 mi NNE of Bozeman.
In basin near timberline on limestone with Dryas octopetala, Carex rupestris, and Minuartia obtusiloba. Phenology: flowering & fruiting.

U.S.A., Montana, Stillwater County: Beartooth Mountains: Custer National Forest: on the south end of Froze-to-Death Plateau, ca 13 air mi NE of Cooke City.
Alpine meadows and talus fields. Phenology: fruiting.

U.S.A., Montana, Carbon County: Beartooth Mountains: Custer National Forest: Line Creek Plateau: S of Mount Tolman, ca 10.5 to 12.5 air mi SW of Red Lodge.
Forb dominated alpine meadow. Phenology: flowering & fruiting.
Accession: (unaccessioned), Barcode: USFS0048383

U.S.A., Montana, Madison County: Gravelly Range: ridge above Daylight Creek and Trail Creek, ca 3.5 air mi ESE of Virginia City, ca 9 air mi SW of Ennis.
Rock outcrop on sagebrush covered hill. Phenology: fruiting.

U.S.A., Montana, Beaverhead County: Ashbough Canyon, ca 4.5 air mi E of I-15, ca 29 air mi S of Dillon; ca 25 air mi NW of Monida.
Barren, rocky, reddish, gravel-covered slopes with Cerrocarpus ledifolius. Phenology: fruiting.

U.S.A., Montana, Madison County: Ruby Range: ca 8 air mi SSW of Ruby Peak, ca 18 air mi E of Dillon.
Rocky surface at ridge-top in a sagebrush grassland. Phenology: flowering & fruiting.

U.S.A., Montana, Madison County: Snowcrest Range: Lewis Creek and Badger Creek, ca 20 air mi S of Virginia City, ca 0.5-2.5 air mi W of Vigilante Station.
Rocky windswept ridge. Phenology: flowering & fruiting.
Accession: USFS (unaccessioned)

U.S.A., Montana, Madison County: Gravelly Range: Johnny Gulch, ca 7.5 air mi WSW of McAtee Bridge, ca 20 air mi SSW of Ennis.
Limestone rock outcrops in a sagebrush grassland. Phenology: fruiting.
Accession: USFS (unaccessioned)

U.S.A., Montana, Madison County: Ruby Range: Laurin Canyon to Ruby Peak, ca 22-24 air mi ENE of Dillon, ca 9-10 air mi S of Sheridan.
Windswept ridge with Pinus albicaulis. Phenology: flowering & fruiting.
with Justine Modica

U.S.A., Montana, Madison County: Gravelly Range: Monument Ridge, ca 2.5-3 air mi SW of Marmot Mountain, ca 26 air mi SSE of Virginia City.
Windswept, alpine ridge. Phenology: fruiting.
with Nicholas P. Freeland

U.S.A., Montana, Madison County: Foothills of the Snowcrest Range: Robb-Ledford State Wildlife Management Area: Robb Creek, ca 3 air mi WNW of Hogback Mountain.
Rocky knoll between swales. Phenology: fruiting.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: in basin N of Jim Mountain at head of East Fork Big Creek.
On tundra. Phenology: fruiting.

U.S.A., Idaho, Custer County: Challis National Forest: Lost River Range: ridge NE of Invisible Mountain, 6.8 air mi NE of Mackay.
Bedrock or scree in mesic barren ground vegetation; 7° slope, NW aspect; silty, sandy limestone geology. 26-75 individuals apparent. Phenology: fruiting.

U.S.A., Idaho, Custer County: Challis National Forest: Lost River Range: slopes NE of Shadow Lakes near Point 10535, 10.1 air mi NNE of Mackay.
Bedrock or scree in xeric fell-field vegetation; 7° slope, SSW aspect; limestone geology. 26-75 individuals apparent. Phenology: fruiting.
with Wendy Irwin

U.S.A., Idaho, Custer County: Challis National Forest: Lost River Range: along a narrow canyon on lower Long Lost Creek, 13.5 air mi NNE of Mackay.
Bedrock or scree in mesic barren ground vegetation; 32° slope, W aspect; alluvial geology. 1-25 individuals apparent. Phenology: fruiting.
with Wendy Irwin

U.S.A., Idaho, Custer County: Challis National Forest: Cape Horn Area: ridgetop S of Lola Lakes between points 9,310 and 9,341, 19.2 air mi NW of Stanley.
Bedrock or scree in mesic whitebark pine vegetation; 37° slope, S aspect; schist geology. 1-25 individuals apparent. Phenology: fruiting.

U.S.A., Idaho, Custer County: Challis National Forest: Pahsimeroi Mountains: cirque basin with unnamed lake at the head of Christian Gulch, 19.4 air mi SE of Challis.
Bedrock or scree in xeric barren ground vegetation; 18° slope, NE aspect; silty, sandy limestone geology. 1-25 individuals apparent. Phenology: fruiting.

U.S.A., Idaho, Custer County: Challis National Forest: Pahsimeroi Mountains: slopes dividing Meadow Creek and the head of Elbow Creek, 13.1 air mi ESE of Challis.
Sandy or gravelly soil in xeric shrub-steppe vegetation; 4° slope, SSE aspect; volcaniclastic geology. 76-150 individuals apparent. Phenology: flowering & fruiting.

U.S.A., Idaho, Lemhi County: Targhee National Forest: Lemhi Range: ridge slopes N of Rocky Canyon and S of Keg Spring, 16.9 air mi SE of Gilmore.
Well developed soil in xeric shrub-steppe vegetation; 9° slope, SSE aspect. 26-75 individuals apparent. Phenology: fruiting.

U.S.A., Idaho, Lemhi County: Salmon National Forest: Beaverhead Mountains: ridgetop overlooking Railroad Canyon, just N of Salt Creek, 6.3 air mi NE of Leadore.
Well developed soil in mesic shrub-steppe vegetation; 11° slope, NW aspect; limestone geology. Population is dominant throughout the area. Phenology: fruiting.

U.S.A., Idaho, Butte County: Challis National Forest: Lemhi Range: North Creek Canyon near Point 7330, 14.2 air mi N of Howe.
Sandy or gravelly soil in xeric Douglas-fir vegetation; 25° slope, E aspect; dolostone geology. Population is dominant throughout the area. Phenology: fruiting.
with Wendy Irwin

U.S.A, Idaho, Custer County: Challis National Forest: White Knob Mountains: Burma Road, ca 0.4 mi N of Corral Creek Summit, 9.3 air mi W of Mackay.
25-75 plants estimated in xeric soil on barren ground, 8 degree slope, NW aspect, trachyandesite geology. 25-75 plants estimated. Phenology: fruiting.

U.S.A, Idaho, Custer County: Challis National Forest: Lost River Range: mountain on the north side of Horseheaven Pass, 23.4 air mi NNW of Mackay.
<25 plants estimated in mesic solid rock on barren ground, 33 degree slope, SSW aspect, limestone geology. Phenology: fruiting.

U.S.A, Idaho, Lemhi County: Targhee National Forest: Lemhi Range: ridgetop dividing Bell Mountain Canyon and Meadow Canyon, 31.4 air mi SSE of Leadore.
<25 plants estimated in xeric coarse textured soil on barren ground, 27 degree slope, SW aspect, dolostone (dolomite) geology. Phenology: fruiting.
with Jessica Macy

U.S.A, Idaho, Lemhi County: Targhee National Forest: Lemhi Range: just NE of unnamed peak "10633" between Bell Mountain and Meadow canyons, 31.3 air mi SSE of Leadore.
<25 plants estimated in mesic coarse textured soil on barren ground, 21 degree slope, NE aspect, limestone geology. Phenology: flowering & fruiting.
with Jessica Macy

Draba oligosperma var. oligosperma ()
Limestone slopes and outcrops.
Annotated by Joshua J. Irwin.
, 91675. //.

U.S.A., Idaho, Custer County: Pahsimeroi Mountains: Lime Creek above Little Antelope Flat, from first major rock outcrop SE up hogback and series of ridges, ca 11-12 air mi SE of Challis.
Limestone outcrops.
Annotated by Joshua J. Irwin.
with Emma E. Stewart

U.S.A., Montana, Beaverhead County: Timber Hills on northeast side of Blacktail Valley: Red Canyon, ca 16 air mi ESE of Dillon, ca 25 air mi ENE of Clark Canyon Reservoir.
Steep, rocky, sparsely vegetated grasslands. Phenology: flowering & fruiting.

U.S.A., Montana, Beaverhead County: Blacktail Mountains: unnamed canyon between Cottonwood Creek and Price Creek, ca 23 air mi SE of Dillon, ca 14 air mi NW of Antone Peak.
Steep, northeast-facing grassland slopes. Phenology: flowering & fruiting.

U.S.A., Montana, Beaverhead County: Sage Creek-White Hills: ca 26 air mi S of Dillon, ca 16 air mi ESE of Clark Canyon Reservoir.
Sagebrush grasslands on rolling hills. Phenology: flowering & fruiting.

U.S.A., Montana, Beaverhead County: Ca 3 air mi WNW of Monida, ca 16 air mi E of Garfield Mountain, ca 1 air mi N of I-15.
Rock outcrop. Phenology: fruiting.

U.S.A., Montana, Beaverhead County: Snowcrest Range: West Fork Blacktail Deer Creek and unnamed ridge S of Antone Peak, ca 37 air mi SE of Dillon, ca 4-6 air mi SW of Antone Peak.
Eroding badlands with sandy soil. Phenology: flowering & fruiting.

U.S.A., Montana, Beaverhead County: Snowcrest Range: West Fork Blacktail Deer Creek and unnamed ridge S of Antone Peak, ca 37 air mi SE of Dillon, ca 4-6 air mi SW of Antone Peak.
Rocky grasslands at a ridgetop. Phenology: flowering & fruiting.

U.S.A., Montana, Beaverhead County: Snowcrest Range: West Fork Blacktail Deer Creek and unnamed ridge S of Antone Peak, ca 37 air mi SE of Dillon, ca 4-6 air mi SW of Antone Peak.
Rocky sagebrush slopes next to a two-track. Phenology: flowering & fruiting.

U.S.A., Montana, Madison County: Gravelly Range: along Gravelly Range Road (Forest Road 292), ca 18 air mi N of Black Butte, ca 14 air mi SSW of Ennis.
Grasslands with occasional Pseudotsuga menziesii and Pinus flexilis. Phenology: flowering & fruiting.

U.S.A., Montana, Madison County: Snowcrest Range: Ledford Creek, ca 16-18 air mi S of Ruby River Reservoir, ca 30 air mi SE of Dillon.
Rock outcrops. Phenology: flowering & fruiting.

U.S.A., Montana, Beaverhead County: Western Centennial Mountains: Bean Creek, ca 3 air mi N of Idaho, ca 10 air mi W of Lakeview.
Sparsely vegetated, eroding soil and rock outcrops. Phenology: fruiting.

U.S.A., Montana, Madison County: Gravelly Range: Lazyman Hill along Forest Road 290, ca 3 air mi W of Marmot Mountain, ca 27 air mi SSW of Ennis.
Rocky, windswept ridge. Phenology: flowering & fruiting.

U.S.A., Montana, Madison County: Gravelly Range: Bighorn Mountain, ca 2-3 air mi NE of Black Butte, ca 32 air mi of Ennis.
Steep, rocky, alpine slopes. Phenology: fruiting.

U.S.A., Wyoming, Uinta County: Basins and Mountains of Southwest Wyoming: Oyster Ridge, ca 3.5 air mi SW of Cumberland Gap; ca 3.6 road mi SW of the junction of U.S. Hwy 189 and Wyo Hwy 412 on south side of U.S. Hwy 189.
Sandstone outcrops and ridgetop. Phenology: fruiting.
with Duane Atwood

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: Cedar Mountain, ca 5 air mi NW of McKinnon; ca 4.1 road mi W of the junction of Cedar Mountain Rim Road with Turtle Bluff Rim Road.
Semi-barren, windswept ridgetop. Phenology: fruiting.
with R. H. Lathrop

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: Cedar Mountain, ca 5 air mi NW of McKinnon; ca 0.5 road mi N of Turtle Bluff Rim Road.
Semi-barren, windswept ridgetop and west-facing slopes. Phenology: fruiting.
with Walter Fertig

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: north end of Black Mountain and Pine Spring area, ca 26 air mi S of Green River.
Sagebrush slopes, cushion communities, conglomerate rim rock, wind swept mesa top, and spring area. Phenology: flowering & fruiting.
with Tom Cramer and Charmaine Refsdal

U.S.A., Wyoming, Lincoln County: Basins and Mountains of Southwest Wyoming: Oyster Ridge, ca 2 air mi S of Kemmerer on north side of U.S. Hwy 30 along the Hams Fork.
Steep sandstone bed with lichens, west aspect. Phenology: fruiting.
with Larry Refsdal

U.S.A., Utah, Rich County: [location and coordinates withheld]
Sagebrush slopes with scattered junipers. Phenology: fruiting.

U.S.A., Utah, Summit County: North Slope Uinta Mountains: Wasatch National Forest: ca 27 air mi SSE of Evanston, Wyoming; 0.3 mi E of Deadman Pass.
Steep east-west ridge with gravelly limestone cliffs, sparse spruce trees; subalpine. Phenology: fruiting.

U.S.A., Colorado, Park County: East-central Colorado: Mosquito Range to Plains: Mosquito Range: from Weston Pass S along alpine ridges and along a tributary of the South Fork of the South Platte River, ca 11.5 air mi SW of Fairplay.
On calcareous mine spoils on west-facing slope. Phenology: fruiting.
Accession: 957295, Barcode: RM0209424

Draba oligosperma var. pectinipila (1977)
Draba oligosperma Hook. var. pectinipila (Rollins) C. L. Hitchc.
U.S.A., Wyoming, Park County: Shoshone National Forest: on west side of Clay Butte ridge.
White rock outcrops and steep crevices just below near-vertical cliffs overlooking talus bowls; growing in damp soil in rock crevices, just below zone of D. nivalis var. brevicula. Phenology: fruiting.
3. Draba pectinipila Rollins
Annotated by Ihsan A. Shehbaz in 2021.
2. Draba pectinipila Rollins

Draba oligosperma var. pectinipila (1984)
Draba oligosperma Hook. var. pectinipila (Rollins) C. L. Hitchc.
U.S.A., Wyoming, Park County: Beartooth Plateau: Clay Butte, ca 1-3 mi N of the Beartooth Hwy (U.S. Hwy 212).
On calcareous substrates of rocky tundra.

Draba oligosperma var. pectinipila (1996)
Draba oligosperma Hook. var. pectinipila (Rollins) C. L. Hitchc.
U.S.A., Wyoming, Park County: Beartooth Range: west side of Clay Butte on summit and west-facing rim, ca 0.8 mi N of the lookout tower and ca 1.5 mi N of U.S. Hwy 212.
West-facing yellowish clay slope with cover of small limestone gravel between bedrock cliffs; cushion plant community with cover 5-25%; with scattered Festuca baffinensis, Claytonia megarrhiza, Cerastium beeringianum, and Phlox pulvinata. Phenology: fruiting.
with Jill Walford and Sabine Mellman-Brown

U.S.A., Wyoming, Park County:
Rocky, exposed, calcareous slope with D. oligosperma and Saxifraga oppositifolia. Phenology: fruiting.

U.S.A., Colorado, Gunnison County: Above and E of Cottonwood Pass, W of Buena Vista.
Steep hillside. Petals yellow, siliques with pectinate trichomes. Phenology: flowering & fruiting.
3. Draba oligosperma Hook. var. pectinipila (Rollins) C. L. Hitchc.
Annotated by Ihsan A. Al-Shehbaz on 9//2009.
with Kathryn W. Rollins

U.S.A., Wyoming, Park County: Southwestern Absarokas: ca 50 air mi SW of Cody, vicinity of Thorofare Mountain.
Cirque basin with spruce forests and rocky stream sides.
with Mike Hartman

U.S.A., Wyoming, Park County: Beartooth Mountains: west side of Clay Butte ridge, 1 mi W of Beartooth summit.
Cushion plant community on upper gravelly limestone slopes, west aspect, 5-25% slope, with Geum rossii, Festuca brachyphylla, Phlox pulvinata. Phenology: flowering.