Erigeron pumilus (1994)
ASTERACEAE
Erigeron pumilus Nutt.
U.S.A., Wyoming, Fremont County: Upper Wind River Watershed: Crow Creek on Wind River Indian Reservation: ca 20 air mi ENE of Dubois; W of the creek, and E of the 2-track.
Elev. 8820 ft.
T7N R4W S4
Sagebrush stand. Plot 94056 SW, SW, SE
Annotations:
1. Erigeron pumilus Nutt.
Annotated by Stuart Markow.
with Susanne Neumiller
Accession: (unaccessioned)

Erigeron pumilus (1945)
ASTERACEAE
Erigeron pumilus Nutt.
U.S.A., Montana, Meagher County: 6 mi NW of White Sulphur Springs.
Alkaline grassland. Phenology: flowering.
with C. V. Muhlick
Accession: RM 203040

Erigeron pumilus (1886)
ASTERACEAE
Erigeron pumilus Nutt.
U.S.A., Montana: Great Falls.
Phenology: flowering.
Accession: RM 24186

U.S.A., Montana, Missoula County: Missoula Valley, 1.6 mi N of county airport and 6.5 NW of the Missoula post office.
Elev. 3300 ft.
Benchland; slope 10%, southwest exposure; open rolling benchland; palouse grassland with Bromus tectorum, Veronica arvense. Common. Phenology: flowering.
Accession: USFS 478120

U.S.A., Montana, Ravalli County: Bitterroot National Forest: Spring Gulch.
Elev. 4500 ft.
T10N R18W S32
With Stipa, Koeleria, Poa, yarrow, balsamroot; loamy sand clay soil; slope 10%, west exposure. Phenology: flowering.
Accession: USFS 478118

U.S.A., Montana: Jefferson National Forest: Spring Creek.
T10N R10E S29
Southwest slope; sandy; dry hillside. Common. Phenology: flowering.
Accession: USFS 478117

U.S.A., Montana: Helena National Forest.
T12N R2W S17
Dry gravelly soil; top of ridge; with Potentilla. Phenology: flowering.

U.S.A., Montana, Silver Bow County: Rochester Basin.
T2S R8W S19
Slope 8 degrees, east exposure; shallow coarse gravel to sandy soil; grassland with Poa, grama, Stipa, sedge, etc. Not abundant. Phenology: flowering.

U.S.A., Montana, Custer County: US Range Livestock Experiment Station.
T7N R47E S26
Pasture A; level ground; heavy clay; grama grass, Stipa, Agropyron smithii. Quite abundant. Phenology: flowering.

U.S.A., Montana, no county County: Absaroka National Forest: D'Ewart Ranch.
Flat ground; gravel soil. Phenology: flowering.

U.S.A., Montana, Missoula County: Missoula Valley, 1.6 mi N of county airport, 6.5 mi NW of Missoula post office.
Slope 20%, northwest exposure; open rolling terrace with Balsamorhiza sagittata, Gailardia aristita. Frequent. Phenology: flowering.

U.S.A., Montana, Broadwater County: 6 mi E of Townsend on road to White Sulphur Springs.
Rays white, plants fairly heavy rooted perennials. Phenology: flowering.
with C. V. Muhlick
Accession: RM 203041

U.S.A., Montana, Wheatland County: About 3 mi NW of Shawmut.
In bunchgrass along road. Phenology: flowering.

U.S.A., North Dakota, Billings County: Medora.
Phenology: flowering.
with J. F. Brenckle

U.S.A., North Dakota, Hettinger County: Lake Charles: W of Mott.
Grassy slope. Common. Phenology: flowering.
Neil Hotchkiss, s.n.. 6/24/1942.

U.S.A., Montana: Custer National Forest.
Elev. 3000
T3S R44E
Northeast slope; shale and clay soil. Phenology: flowering.

U.S.A., South Dakota, Hand County: Near Miller.
Phenology: flowering & fruiting.

U.S.A., South Dakota: Blenham: Missouri River.
Bluffs. Phenology: flowering.

U.S.A., Nebraska: Cody.
Phenology: flowering.

U.S.A., Nebraska: Valentine.
Phenology: flowering & fruiting.

U.S.A., Montana, Custer County: Northern Rocky Mountain Region: U.S. Range Livestock Experiment Station, just W of pasture A.

U.S.A., Colorado, Custer County: Wet Mountain Valley: Kennicott Ranch; 6mi NW of Westcliffe. Beckwith Mountain USGS quad; S of Swift Creek.
T22S R73W S5
Dry meadow south of Swift Creek. Phenology: flowering & fruiting.

Erigeron pumilus var. euconcinnoides (1937)
Erigeron pumilus Nutt. var. euconcinnoides Cronquist
U.S.A., Nevada, Clark County: Charleston (Spring) Mountains, Kyle Canyon.
Elev. 1350 m.
Brushy hillside, juniper belt. Phenology: flowering.
Type Specimen: Isotype for Erigeron pumilus Nutt. var. euconcinnoides Cronquist. Brittonia 6: 182. 1947. Isotype! E. pumilus subsp. concinnoides var. euconcinnoides Arthur Cronquist, 1943-4.
Annotations:
3. Erigeron pumilus Nutt. var. euconcinnoides Cronquist
Annotated by Arthur Cronquist in 1943. 1943-4
2. Erigeron pumilus Nutt. ssp. concinnoides Cronquist
1. Erigeron concinnus (Hook. & Arn.) Torr. & A. Gray
Annotated by Sidney F. Blake.
Accession: RM 172963, Barcode: RM0001046

Erigeron pumilus var. euintermedius (1939)
Erigeron pumilus Nutt. var. euintermedius Cronquist
U.S.A., Idaho, Idaho County: Johnson Bar, Snake River Canyon.
In erect clumps from perennial rootcrosn [sic], rays pale violet. Phenology: flowering.
Type Specimen: Paratype for Erigeron pumilus Nutt. var. euintermedius Cronquist. Brittonia 6: 180. 1947.
Annotations:
2. Erigeron pumilus Nutt. var. euintermedius Cronquist
Annotated by Arthur Cronquist in 1943. Cotype! 1943-4 [Verbatim date.]
1. Erigeron concinnus (Hook. & Arn.) Torr. & A. Gray.
Accession: RM 179579, Barcode: RM0001048

Erigeron pumilus var. gracilior (1992)
Erigeron pumilus Nutt. var. gracilior Cronquist
U.S.A., Montana, Gallatin County: Madison Range: Gallatin National Forest: along trail ca 1 mi SW of Albino Lake, ca 12 mi S of Big Sky.
Mesic sagebrush-grassland with Festuca idahoensis, Stipa richardsonii, Pentaphylloides floribunda, and Artemisia cana. Phenology: flowering.

Erigeron pumilus var. gracilior (2000)
Erigeron pumilus Nutt. var. gracilior Cronquist
U.S.A., Idaho, Adams County: Payette National Forest and Vicinity: Weiser River Valley: just NE of Granger Butte, ca 7 air mi S of Indian Valley; ca 15 air mi SE of Cambridge.
Grass and shrub rangeland. Phenology: flowering & fruiting.
Accession: RM (unaccessioned)

Erigeron pumilus var. gracilior (1995)
Erigeron pumilus Nutt. var. gracilior Cronquist
U.S.A., Washington, Stevens County: Western Colville National Forest and Vicinity: Little Pend Oreille Wildlife Refuge: ca 11 air mi SE of Colville at McDowell Lake overlook.
Partially open slopes with numerous rock outcrops; large ponderosa pine and Douglas fir; massive weed infestation in open areas. Phenology: flowering.
Accession: (unaccessioned)

U.S.A., Washington, Stevens County: Western Colville National Forest and Vicinity: Columbia River: China Bend: along north shore of river, ca 9 air mi SW of Northport.
Riverside and cliffs. Phenology: flowering.
Accession: (unaccessioned)

U.S.A., Washington, Stevens County: Western Colville National Forest and Vicinity: Little Pend Oreille Wildlife Refuge, ca 6 air mi SE of Colville; access from Buffalo-Wilson Road.
Rolling terrain with ponderosa pine and smaller Douglas fir encroaching. Phenology: flowering.

U.S.A., Washington, Ferry County: Western Colville National Forest and Vicinity: Little Vulcan Mountain, ca 3.5 air mi W of Curlew.
South facing slopes and ravines; scattered forest interspersed with steppe and rock outcrops. Phenology: flowering.

U.S.A., Washington, Ferry County: Western Colville National Forest and Vicinity: west of the Kettle River, ca 2.5 air mi SW of Danville.
West and south facing slopes with rock outcrops and scattered ponderosa pines. Open areas heavily infested with knapweed, cheatgrass, and goatweed. Phenology: flowering.

U.S.A., Washington, Ferry County: Western Colville National Forest and Vicinity: White Creek above Kettle River, ca 2.5 air mi NE of Curlew.
Old roads in mixed forest. Phenology: flowering.

U.S.A., Washington, Ferry County: Western Colville National Forest and Vicinity: Lambert Creek, ca 9 air mi NE of Republic.
Open slopes and rocky balds. Phenology: flowering.

U.S.A., Idaho, Custer County: Challis National Forest: Pahsimeroi Mountains: slopes on the west side of Grouse Creek ca 0.3 mi downstream of Mill Creek, 17.7 air mi ESE of Challis.
Well developed soil in xeric shrub-steppe vegetation; 22° slope, ESE aspect; silty, sandy limestone geology. 26-75 individuals apparent. Phenology: flowering.
Accession: RM (unaccessioned)

U.S.A., Idaho, Custer County: Thousand Springs Valley: valley bottom ca 0.4 mi S of the head of Thousand Springs Creek, 22.9 air mi ESE of Clayton.
Well developed soil in xeric shrub-steppe vegetation; 3° slope, E aspect; alluvial geology. 1-25 individuals apparent. Phenology: flowering.
Accession: RM (unaccessioned)

U.S.A., Idaho, Custer County: Challis National Forest: Lost River Range: gorge of Upper Cedar Creek, 6.9 air mi NNW of Mackay.
Well developed soil in xeric shrub-steppe vegetation; 33° slope, SSE aspect; dolostone/sandstone geology. 26-75 individuals apparent. Phenology: flowering.

U.S.A., Montana, Madison County: Highland Mountains: south of Victoria Mine, ca 2 mi W of Silver Star.
T2S R6W S2
In stony, calcareous soil on ridge with Haplopappus acaulis and Eriogonum mancum. Phenology: flowering.

U.S.A., Montana, Powell County: Between Monture Hill and Ovando.
Beside pothole. Phenology: flowering.

U.S.A., Montana, Gallatin County: Vicinity of Bozeman.
Upland plains. Phenology: flowering.

U.S.A., Montana, Gallatin County: Bozeman.

U.S.A., Montana, Missoula County: Blackfoot Valley: 1 mi W of Greenough.
Sagebrush hills. Phenology: flowering.
with C. V. Muhlick

U.S.A., Montana, Flathead County: Columbia Falls.

U.S.A., Idaho, Custer County: Lost River Range: crest of ridge dividing East Fork and West Fork Pahsimeroi Rivers, 16.0 air mi NNW of Mackay.
T9N R23E S2
25-75 individuals estimated in xeric soil within grassland vegetation, 14 degree slope, N aspect, limestone geology. Phenology: flowering & fruiting.

U.S.A., Idaho, Custer County: Lost River Range: narrow canyon along the Pahsimeroi River, 19.6 air mi NNW of Mackay.
Within shrub-steppe vegetation, 5 degree slope, NE aspect, alluvial geology. Phenology: flowering & fruiting.

U.S.A., Idaho, Custer County: Salmon Uplands between Clayton and Challis: East Fork Salmon River, just upstream of the Salmon River, 3.8 air mi E of Clayton.
Well developed soil in xeric shrub-steppe vegetation; 35° slope, NE aspect; alluvial geology. 1-25 individuals apparent. Phenology: flowering.
with Craig Scott

U.S.A., Idaho, Custer County: Salmon Uplands between Clayton and Challis: Salmon River NW of Germer Peak just upstream of Ida Hwy 75 bridge., 6.8 air mi S of Challis.
Well developed soil in xeric shrub-steppe vegetation; 16° slope, SE aspect; feldspathic quartzite geology. Population is dominant throughout the area. Phenology: flowering & fruiting.
with Craig Scott

U.S.A., Idaho, Custer County: Challis National Forest: Pahsimeroi Mountains: slopes along Middle Fork Lawson Creek, 8.5 air mi S of Ellis.
Sandy or gravelly soil in mesic shrub-steppe vegetation; 22° slope, ESE aspect; alkaline volcanic geology. 26-75 individuals apparent. Phenology: flowering.

U.S.A., Idaho, Custer County: Little Lost River Valley: Moffett Creek area, ca 1/4 mi downstream of Moffett Spring, 16 air mi SSW of Gilmore.
Well developed soil in xeric grassland vegetation; 0° slope; alluvial geology. 1-25 individuals apparent. Phenology: flowering.
with Wendy Irwin

U.S.A., Idaho, Lemhi County: Challis National Forest: Lemhi Range: slopes and breaks N of Cow Creek near Black Canyon, 6.2 air mi NE of Ellis.
Well developed soil in xeric shrub-steppe vegetation; 16° slope, S aspect; volcaniclastic geology. 26-75 individuals apparent. Phenology: flowering.

U.S.A., Idaho, Lemhi County: Salmon National Forest: Beaverhead Mountains: mouth of Salt Creek, near Canyon Creek, 5.6 air mi NE of Leadore.
Well developed soil in xeric shrub-steppe vegetation; 21° slope, SSW aspect; alluvial geology. 1-25 individuals apparent. Phenology: flowering.

U.S.A., Idaho, Lemhi County: Salmon River between Challis and Salmon: ridge on the north side of lower Briney Creek, 14.5 air mi S of Salmon.
Well developed soil in xeric shrub-steppe vegetation; 23° slope, SSE aspect; quartzite geology. 26-75 individuals apparent. Phenology: flowering.

U.S.A., Idaho, Lemhi County: Salmon National Forest: Salmon River Mountains: lower Trapper Gulch, 14.7 air mi S of Shoup.
Well developed soil in xeric grassland vegetation; 41° slope, SE aspect; metamorphosed sedimentary geology. 1-25 individuals apparent. Phenology: flowering.

U.S.A., Idaho, Lemhi County: Salmon National Forest: Salmon River Gorge: unnamed gulch SE of lower Sage Creek, 5.6 air mi W of North Fork.
Well developed soil in xeric grassland vegetation; 24° slope, SSE aspect; granite geology. 26-75 individuals apparent. Phenology: flowering.
with Wendy Irwin

U.S.A., Idaho, Butte County: Challis National Forest: Lost River Range: foothills E of Jumpoff Canyon near Point 6394, 5.3 air mi WNW of Howe.
Well developed soil in mesic shrub-steppe vegetation; 8° slope, WNW aspect; limestone geology. 1-25 individuals apparent. Phenology: flowering.

U.S.A., Idaho, Butte County: Challis National Forest: Lost River Range: lower Ramshorn Canyon, 12.9 air mi N of Arco.
Well developed soil in xeric shrub-steppe vegetation; 19° slope, S aspect; alluvial geology. 1-25 individuals apparent. Phenology: flowering.

U.S.A., Idaho, Butte County: Arco Hills: southernmost edge of the Arco Hills between Butte City and Deadman Flat, 5.8 air mi ESE of Arco.
Sandy or gravelly soil in xeric shrub-steppe vegetation; alluvial geology. 26-75 individuals apparent. Phenology: flowering.

U.S.A., Idaho, Butte County: Little Lost River Valley: adjacent to Big Spring Creek, ca 2 mi S of Sunny Bar, 15.6 air mi NNW of Howe.
Well developed soil in mesic shrub-steppe vegetation; 2° slope, SSE aspect; alluvial geology. 1-25 individuals apparent. Phenology: flowering.

U.S.A., Idaho, Custer County: Big Lost River Valley: north end of Leslie Butte, 8 air mi ESE of Mackay.
Bedrock or scree in xeric shrub-steppe vegetation; 5° slope, ESE aspect; silty, sandy limestone geology. 26-75 individuals apparent. Phenology: flowering.

U.S.A, Idaho, Lemhi County: Challis National Forest: Salmon River Mountains: Middle Fork Salmon River Trail between Cove and Camas creeks, 36.1 air mi NW of Challis.
In xeric soil within shrub-steppe vegetation, 21 degree slope, ENE aspect, granodiorite geology. 25-75 plants estimated. Phenology: flowering.

U.S.A, Idaho, Lemhi County: Along U.S. Hwy 93 on west side of Salmon River on breaks just N of Cronks Canyon, 19.1 air mi NNE of Challis.
Dominant population in xeric soil within shrub-steppe vegetation, 31 degree slope, ENE aspect, rhyodacite geology. Phenology: flowering.

U.S.A, Idaho, Butte County: Lost River Range: alluvial slope between Sixmile Canyon and Eightmile Canyon, 14.1 air mi ENE of Arco.
In xeric soil within a juniper vegetation, 5 degree slope, SE aspect, alluvial geology. 25-75 plants estimated. Phenology: flowering.

U.S.A, Idaho, Custer County: Southern Salmon River Mountains: slope above Challis Creek, W of the confluence with Eddy Creek, 6.7 air mi NW of Challis.
In xeric soil within shrub-steppe vegetation, 19 degree slope, S aspect, rhyodacite geology. 25-75 plants estimated. Phenology: flowering.

U.S.A, Idaho, Custer County: Pahsimeroi Valley: hilltop at USGS Point 6054, ca 2.5 mi W of Mahogany Hill, 21.7 air mi ESE of Challis.
25-75 plants estimated in xeric soil within shrub-steppe vegetation, no slope, alluvial geology. 25-75 plants estimated. Phenology: flowering.

U.S.A, Idaho, Custer County: Challis National Forest: Pahsimeroi Mountains: hillside on the north side of upper Gerry Gulch, 8.6 air mi NE of Challis.
Dominant population in xeric coarse textured soil within shrub-steppe vegetation, no slope, trachyandesite geology. Phenology: flowering.

U.S.A, Idaho, Custer County: Thousand Springs Valley: along U.S. Hwy 93 ESE of USGS Point 6736, and SE of Dickey Peak, 25.5 air mi SE of Challis.
<25 plants estimated in xeric soil within shrub-steppe vegetation, 3 degree slope, S aspect, alluvial geology. Phenology: flowering.

U.S.A, Idaho, Blaine County: Challis National Forest: Pioneer Mountains: ridgetop dividing Fish and Leadbelt creeks, 20.9 air mi WSW of Arco.
<25 plants estimated in xeric soil within shrub-steppe vegetation, 13 degree slope, ESE aspect, trachyandesite geology. Phenology: flowering.

U.S.A, Idaho, Custer County: Challis National Forest: Pioneer Mountains: Dry Canyon, alluvial bottomland near the confluence with Antelope Creek, 18.5 air mi N of Mackay.
<25 plants estimated in xeric coarse textured soil within shrub-steppe vegetation, no slope, limestone geology. Phenology: flowering.

U.S.A, Idaho, Lemhi County: Challis National Forest: Lemhi Range: along trail in unnamed draw on the north side of lower Morse Creek canyon, 22.0 air mi WSW of Leadore.
<25 plants estimated in xeric soil within a Douglas-fir vegetation, 37 degree slope, E aspect, quartzite geology. Phenology: flowering.

U.S.A., Idaho, Lemhi County: Lemhi Valley and Beaverhead Range: Old Lemhi Road, ca 9-10 air mi SE of Salmon at the junction of Ida Hwy 28 and U.S. Hwy 93, 1/4 air mi NW of Wimpey Creek.
Clayey to sandy slope with sagebrush and some saltbush. Phenology: flowering.
1. Erigeron pumilus Nutt. var. gracilior Cronquist
Annotated by Joshua J. Irwin.

U.S.A., Idaho, Lemhi County: Lemhi Range: McDevitt Creek Road, ca 1 air mi W of Ida Hwy 28, 0.1-1.2 air mi N of McDevitt Creek.
Slopes with sagebrush, ravines, and rims of washes. Phenology: flowering.
1. Erigeron pumilus Nutt. var. gracilior Cronquist
Annotated by Joshua J. Irwin.

U.S.A., Idaho, Lemhi County: Road to radio towers NE of Salmon, Discovery Hill.
Grassy slopes with eroded areas and disturbed sites Phenology: flowering.
1. Erigeron pumilus Nutt. var. gracilior Cronquist
Annotated by Joshua J. Irwin.
with Joshua J. Irwin

U.S.A., Idaho, Lemhi County: Salmon River Mountains: 2.5 mi W of Shoup Bridge, 6.5 mi SSW of the intersection of Ida Hwy 28 and U.S. Hwy 93 in Salmon.
Steep slope to rock outcrop then rolling hills with grasses and sagebrush. Phenology: flowering.
with Joshua J. Irwin

U.S.A., Idaho, Lemhi County: Lemhi Range: S of Hot Springs Creek, 4.5 air mi ESE of the intersection of Ida Hwy 28 and U.S. Hwy 93 in Salmon.
Exposed slopes, eroded, clayey on west exposure. Phenology: flowering.
with Joshua J. Irwin

U.S.A., Idaho, Butte County: Big Lost River Valley: ca 3 air mi ENE of Moore at the base of the Lost River Range.
Sagebrush-grassland below limestone outcrop; northern portion disturbed and planted in crested wheatgrass with natives persisting; terrain level to undulating
with Emma E. Stewart

U.S.A., Idaho, Butte County: Lost River Range: ca 3 air mi ENE of Moore.
Limestone outcrop with massive layers (20-30 ft thick) forming shelves with Juniperus scopulorum, with moist slopes covered by Dodecatheon, Anemone, Allium, and sheltered areas with Mertensia.
with Emma E. Stewart

U.S.A., Idaho, Butte County: South end of Arco Hills, ca 6.5-7 air mi ESE of Arco.
Juniperus osteosperma and sagebrush below and up to saddle.
with Emma E. Stewart

U.S.A., Idaho, Butte County: South end of Arco Hills, from saddle SE to Peak 5986, ca 6.5-7 air mi ESE of Arco.
Very steep incline with sagebrush and forbs.

U.S.A., Idaho, Butte County: Appendicitis Hill, ca 0.5-1 air mi N of Rocky Canyon, ca 2.5-2.8 air mi WSW of Moore; ca 8.5-8.8 air mi NW of Arco.
Limestone outcrops with Cercocarpus ledifolius, Petrophyton caespitosum, and Juniperus.

U.S.A., Idaho, Butte County: Lost River Range: W of Ida Hwy 28/33, ca 3 air mi SW of Howe.
Open limestone slope, with north-south trending hogback at top, with Cercocarpus ledifolius.

U.S.A., Idaho, Butte County: Lemhi Range: south end of the range at edge of Little Lost River Valley, ca 2 mi NW of intersection of Ida Hwys 22 and 33, ca 25 air mi NE of Arco.
Limestone ridge with Juniperus osteosperma.

U.S.A., Idaho, Butte County: Little Lost River Valley: along Warm Spring Creek just off Little Lost River Road, ca 11 air mi NW of Howe.
Gravel pit.

U.S.A., Idaho, Butte County: Little Lost River Valley: near Little Lost River, ca 0.5 mi N of Clyde.
Rocky bluff near river.

U.S.A., Idaho, Lemhi County: Salmon National Forest: Lemhi Range: lower Cow Creek, 4.5 air mi NE of Ellis.
On lower steep slope, often in shrubs or on rubble.
with Joshua J. Irwin, Emma E. Stewart

Erigeron pumilus var. gracilior ()
Limestone slopes and outcrops.
, 91684. //.

U.S.A., Idaho, Fremont County: Juniper Hills near St. Anthony.
Phenology: fruiting.
Type Specimen: Paratype for Erigeron pumilus Nutt. var. gracilior Cronquist. Brittonia 6: 180. 1947.
Annotated by Arthur Cronquist in 1943. Cotype! 1943-4 [Verbatim date.]
1. Erigeron concinnus (Hook. & Arn.) Torr. & A. Gray.
Accession: RM 108790, Barcode: RM0001049

Erigeron pumilus var. intermedius (2000)
Erigeron pumilus Nutt. var. intermedius (Cronquist) Cronquist
U.S.A., Idaho, Valley County: Payette National Forest and Vicinity: Long Valley: along the North Fork Payette River at Hartsell Bridge, ca 8.5 air mi SSW of McCall; ca 5 air mi NW of Donnelly.
Sandy river bottom with overflow channels and woodland patches. Phenology: flowering & fruiting.

Erigeron pumilus var. intermedius (1999)
Erigeron pumilus Nutt. var. intermedius (Cronquist) Cronquist
U.S.A., Idaho, Adams County: Payette National Forest and Vicinity: Hells Canyon-Seven Devils Scenic Area: Kinney Point ca 6 air mi NNE of Cuprum; ca 23 air mi NW of New Meadows.
Dry subalpine meadow/rocky outcrop; dominated by Festuca idahoensis, with Carex geyeri and some Artemisia tridentata. Phenology: flowering & fruiting.

Erigeron pumilus var. intermedius (1999)
Erigeron pumilus Nutt. var. intermedius (Cronquist) Cronquist
U.S.A., Idaho, Adams County: Payette National Forest and Vicinity: Hells Canyon-Seven Devils Scenic Area: Eckels Creek Trail, ca 2-3 air mi NW of Cuprum; ca 24 air mi NW of New Meadows.
Rocky basalt soil; mixed shrub grassland, dominated by Elymus spicatus; also Rhus radicans. Phenology: flowering & fruiting.

U.S.A., Idaho, Adams County: Payette National Forest and Vicinity: Lick Creek Riparian Demonstration Area: south bank of tributary of Lick Creek to fence, ca 16 air mi W of New Meadows; ca 20.5 air mi NNW of Council.
Meadow; dominated by Poa, Carex, and mesic forbs. Phenology: flowering & fruiting.

U.S.A., Idaho, Adams County: Payette National Forest and Vicinity: road to Blue Creek and mouth of Indian Creek along Snake River.
Dry canyonland, dispersed powerline road, sumac/annual grass, rocky volcanic soil. Phenology: flowering & fruiting.
with Joy Handley

U.S.A., Idaho, Washington County: Payette National Forest and Vicinity: Snake River 2-5 mi N of Blakes Junction.
Rocky volcanics, roadsides, and steep slopes with sagebrush and perennial grasses, and riparian areas. Phenology: flowering & fruiting.
with Joy Handley

U.S.A., Oregon, Grant County: Umatilla National Forest and Vicinity: Howards Meadow and East Fork Meadow Brook Creek, ca 2 mi S of Dale.
Meadow and wetland in fine, deep, tan soil; slope 0; aspect none. Phenology: flowering & fruiting.

U.S.A., Montana, Carbon County: Bighorn Basin: along Robertson Draw Road, ca 3 air mi W of Chance Bridge on Clarks Fork Yellowstone River, ca 10.5 air mi SSW of Belfry.
Sandy flats and wash with big sagebrush; clay slopes and gravelly cobblestone ridgetops. Phenology: flowering & fruiting.
with Emily Elliott, Brian Elliott

U.S.A., Montana, Gallatin County: Gallatin Range: Gallatin National Forest: from 1/4 air mi W of Teepee Creek, towards summmit of Sunshine Point, ca 43 air mi S of Bozeman.
Calcareous slopes and outcrops with open and wooded areas. Phenology: flowering & fruiting.
with Ronald L. Hartman
Accession: USFS 867980, Barcode: USFS0059339

U.S.A., Montana, Gallatin County: Gallatin Range: Gallatin National Forest: Buffalo Horn Creek, 1.4 road mi up stream.
Limestone Cliffs. Phenology: flowering.
with Ronald L. Hartman
Accession: USFS 867981, Barcode: USFS0059340

U.S.A., Montana, Park County: Gallatin Range: Gallatin National Forest: just N of Gardiner.
Open disturbed slopes onto calcarious cliffs (old hot-spring?). Phenology: flowering & fruiting.
Accession: USFS 867687, Barcode: USFS0059338

U.S.A., Montana, Park County: Gallatin Range: Gallatin National Forest: near Cinnabar Mountain, ca 40 air mi SSW of Livingston; ca 7.5 air mi NW of Gardinar.
Open slopes and plateau dominated by sagebrush and mixed forbs on decomposing granite. Phenology: flowering.

U.S.A., Montana, Carbon County: Mont Hwy 421, ca 1 air mi W of U.S. Hwy 212, near Joliet.
Very weedy rolliing grassland. Phenology: flowering.

U.S.A., Montana, Park County: Paradise Valley: in the Carbella Recreation Site on the Yellowstone River, ca 15 air mi NW of Gardiner.
In disturbed area around road and campground and undisturbed slope dominated by introduced grasses and native forbs. Phenology: flowering & fruiting.
with Brian Elliott

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.
Sandy and rocky drainage between two low grassy hills, with scattered sagebrush. Phenology: flowering.

U.S.A., Montana, Beaverhead County: Centennial Valley: ca 8.5 air mi N of Idaho, ca 50 air mi SE of Dillon.
Flat sagebrush grassland. Phenology: flowering.

U.S.A., Montana, Madison County: Madison Valley: Cameron Bench, ca 4 air mi E of McAtee bridge, ca 26 air mi SSE of Ennis.
Flat grassland on a bench at the base of steep mountains. Phenology: flowering & fruiting.

U.S.A., Idaho, Lemhi County: Salmon National Forest: Salmon River Mountains: slopes adjacent old landslide on the north side of Williams Lake, 11.7 air mi SSW of Salmon.
Well developed soil in xeric grassland vegetation; 21° slope, SE aspect; alluvial geology. 26-75 individuals apparent. Phenology: flowering.
with Wendy Irwin

U.S.A., Idaho, Lemhi County: Salmon National Forest: Salmon River Mountains: unnamed gulch along Panther Creek and N of Dry Gulch near Point 4147, 6.7 air mi SW of Shoup.
Sandy or gravelly soil in xeric grassland vegetation; 36° slope, WSW aspect; arenite geology. 26-75 individuals apparent. Phenology: flowering.

U.S.A., Idaho, Lemhi County: Salmon National Forest: Salmon River Gorge: ridge above the Cove Creek confluence, 7.9 air mi WSW of Shoup.
39° slope, WSW aspect; biotite gneiss geology. Phenology: flowering.

U.S.A., Idaho, Lemhi County: Salmon National Forest: Salmon River Mountains: ridge slopes dividing Owl Creek and lower East Fork Owl Creek, 9.1 air mi W of Shoup.
Sandy or gravelly soil in xeric grassland vegetation; 13° slope, SW aspect; granite geology. 1-25 individuals apparent. Phenology: flowering.

U.S.A., Idaho, Lemhi County: Salmon National Forest: Salmon River Gorge: ridge dividing lower Ebenezer and lower Colson creeks, 12.9 air mi WSW of Shoup.
Well developed soil in xeric grassland vegetation; 10° slope, WSW aspect; biotite gneiss geology. 1-25 individuals apparent. Phenology: flowering.

U.S.A., Idaho, Lemhi County: Salmon National Forest: Salmon River Gorge: ridgetop immediately E of Eagles Nest, 1 air mi SSW of Shoup.
Well developed soil in mesic grassland vegetation; 10° slope, SW aspect; granite geology. 1-25 individuals apparent. Phenology: flowering.

U.S.A., Idaho, Butte County: Challis National Forest: Lost River Range: unnamed canyon S of Eightmile Canyon and E of Deadman Canyon, 8.6 air mi SSW of Howe.
Well developed soil in mesic shrub-steppe vegetation; 8° slope, ESE aspect; limestone geology. 26-75 individuals apparent. Phenology: flowering.

U.S.A, Idaho, Lemhi County: Salmon National Forest: Lemhi Range: McKim Creek between the Forest Service boundary and North Fork McKim Creek, 24.6 air mi NNE of Challis.
Dominant population in xeric coarse textured soil within shrub-steppe vegetation, 24 degree slope, SSW aspect, rhyodacite geology. Phenology: flowering.

U.S.A, Idaho, Custer County: Salmon River: benchland on the south side of the Salmon River between Gerry Gulch and Shep Creek, 10.6 air mi NNE of Challis.
Dominant population in xeric soil within desert scrub vegetation, 6 degree slope, W aspect, trachyandesite geology. Phenology: flowering.

U.S.A, Idaho, Lemhi County: Salmon National Forest: Lemhi Range: near Bear Valley Creek at the Wright Creek confluence, 20.7 air mi WNW of Leadore.
25-75 plants estimated in xeric soil within shrub-steppe vegetation, 8 degree slope, SW aspect, quartzite geology. 25-75 plants estimated. Phenology: flowering.

U.S.A, Idaho, Lemhi County: Pahsimeroi Valley: mountain slope between Tater and Morse creeks, 20.5 air mi ENE of Challis.
Dominant population in xeric soil within desert scrub vegetation, 21 degree slope, SW aspect, alluvial geology. Phenology: flowering.

U.S.A, Idaho, Custer County: Challis National Forest: Lemhi Range: hillside along Big Gulch, 24.0 air mi SSW of Leadore.
Dominant population in xeric soil within shrub-steppe vegetation, 26 degree slope, S aspect, alluvial geology. Phenology: flowering.

U.S.A., Idaho, Lemhi County: Salmon National Forest: Salmon River Mountains: ridge on the east side of Long Tom Creek from Long Tom Rapids and Campground.
Rocky outcrops and moderate to steep ridge with ponderosa pine. Phenology: flowering.
1. Erigeron pumilus Nutt. var. intermedius (Cronquist) Cronquist

U.S.A., Idaho, Lemhi County: Salmon National Forest: Bitterroot Range: Forest Road 30 along Salmon River, then NW 1.3 air mi along Squaw Creek, 0.7-1.2 air mi NW of Indianola Forest Service Station.
Rocky base of ridge with Cercocarpus ledifolius. Phenology: flowering.
1. Erigeron pumilus Nutt. var. intermedius (Cronquist) Cronquist

U.S.A., Idaho, Lemhi County: Salmon National Forest: Salmon River Mountains: Jesse Creek Forest Service Facility and along Jesse Creek, ca 2-3 air mi W of Salmon at the intersection of Ida Hwy 28 and U.S. Hwy 93.
Grassy slope and hills on south and east exposures and along creek. Phenology: flowering.
1. Erigeron pumilus Nutt. var. intermedius (Cronquist) Cronquist

U.S.A., Idaho, Lemhi County: Salmon River Gorge: Kriley Creek, ca 12.5 air mi N of Salmon.
Valley bottom and adjacent steep northwest exposure. Phenology: flowering.

U.S.A., Montana, Madison County: Southern foothills of Tobacco Root Mountains: Alder Gulch, ca 5 air mi NW of Virginia City, ca 7 air mi NNE of Ruby River Reservoir, along Mont Hwy 287.
Rocky sagebrush slopes. Phenology: flowering.
1. Erigeron pumilus Nutt. var. intermedius (Cronquist) Cronquist.

U.S.A., Montana, Beaverhead County: Beaverhead Valley: Henneberry Gulch, ca 13 air mi SW of Dillon, ca 4 air mi NW of Gallagher Mountain.
Rocky sagebrush steppe on steep, south-facing slopes. Phenology: flowering.
1. Erigeron pumilus Nutt. var. intermedius (Cronquist) Cronquist.

U.S.A, Idaho, Lemhi County: Eastern Salmon River Mountains: ridge above the confluence of Hat and Little Hat creeks, 21.0 air mi NNE of Challis.
In xeric soil within shrub-steppe vegetation, 7 degree slope, SE aspect, rhyodacite geology. Phenology: flowering.

U.S.A., Idaho, Idaho County: Nez Perce National Forest: Gospel Hump Wilderness: along the Wind River ca 1 air mi from Wind River Pack Bridge on Salmon River, ca 18.5 air mi E of Riggins.
Switch backs on open slope. Phenology: flowering.
with Jack Hartman

U.S.A., Idaho, Camas County: Camas Prairie: U.S. Hwy 20, 0.5 road mi NE of Hill City.
Sagebrush flats along railroad. Phenology: flowering.
1. Erigeron pumilus Nutt. var. intermedius (Cronquist) Cronquist.
with B. E. Nelson

Erigeron pumilus var. pumilus (1997)
Erigeron pumilus Nutt. var. pumilus
U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: I D Ridge between Wyo Hwy 351 and Seminoe Reservoir, ca 4 air mi S of Seminoe Dam; ca 27.5 air mi NE of Rawlins.
Sand ridge and slopes with sandstone summit and active dunes. Phenology: flowering.
with Amy J. Roderick

Erigeron pumilus var. pumilus (1997)
Erigeron pumilus Nutt. var. pumilus
U.S.A., Wyoming, Park County: Northern Absaroka Area: Shoshone National Forest: from Four Bear Trailhead to peak 8245T (Jim Mountain Quad), E of Jim Mountain and NW of Four Bear, ca 2.5 mi E of town of Wapiti on U.S. Hwy 14, 16, & 20.
Artemisia shrublands. Phenology: flowering.

Erigeron pumilus var. pumilus (1997)
Erigeron pumilus Nutt. var. pumilus
U.S.A., Wyoming, Fremont County: Wind River Range: Shoshone National Forest: Warm Springs Canyon access from east side of Warm Springs Mountain, ca 6.5 air mi ENE of Dubois; ca 1 air mi S of Stoney Point.
Sagebrush shrublands/forest ecotone with dryer south facing slopes leading down to the creek. Phenology: flowering.

U.S.A., Wyoming, Park County: Northern Absaroka Area: Shoshone National Forest: Signal Peak, ca 4 air mi due W of Wapiti on U.S. Hwy 14, 16, & 20, just inside forest boundary on north side of North Fork Shoshone River.
Toeslope of peak with scattered sagebrush; substrate volcanic. Phenology: flowering.
with Cathy Binger

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: N of Keyton Creek off Keyton Creek or Forest Road 937, ca 47 air mi WSW of Newcastle; ca 23 air mi NNE of Bill.
Sagebrush-grassland. Phenology: flowering.
1. Erigeron pumilus Nutt. var. pumilus
Annotated by Peter J. Ebertowski.
with Peter Ebertowski

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: on the divide between Buzzard and Little Mike creeks, ca 2.5-3 air mi N of Wyo Hwy 450, ca 35 air mi SW of Upton.
Sandy-clay flats with scattered sagebrush and Opuntia. Phenology: flowering.
1. Erigeron pumilus Nutt. var. pumilus
Annotated by Peter J. Ebertowski.
with Peter Ebertowski

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: on the divide between Lake and Meadow creeks and to the W, ca 14 air mi NE of Bill; ca 46 air mi NNE of Douglas.
Clay slopes with scattered sagebrush, greasewood, and grassy areas. Phenology: flowering.
1. Erigeron pumilus Nutt. var. pumilus
Annotated by Peter J. Ebertowski.
with Peter Ebertowski

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: along Lake Creek and area to the E, ca 14 air mi NE of Bill; ca 46 air mi NNE of Douglas.
Greasewood flats above the creek. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: west side of Cow Creek Buttes on an east branch of Coal Draw, ca 14 air mi E of Bill; ca 41 air mi NNE of Douglas.
Sandstone along draw with scattered ponderosa pine and grassy areas. Phenology: flowering.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: between Buffalo Creek Road and Alkali Draw along a tributary, ca 3 air mi NNW of Goose Butte, ca 8.5 air mi W of Upton.
Sagebrush-grasslands or grassy slopes. Phenology: flowering.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: Pine Ridge, ca 1 air mi W of Wyo Hwy 116, ca 4.5 air mi N of Upton.
Sagebrush-grassland flats. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: along Forest Road 913 E of Pump Creek, ca 6 air mi ENE of Upton.
Sandstone pavement with patches of vegetation. Phenology: flowering.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: Sixmile Basin off Forest Road 918, ca 8.5 air mi SSE of Osage; ca 9 air mi W of Newcastle.
Sagebrush-grassland slope. Phenology: flowering.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: between a tributary of Dugout Creek and the railroad tracks, ca 2.5 air mi E of Wyo Hwy 59, ca 41.5 air mi N of Douglas; ca 9 air mi NNW of Bill.
Slopes with clay "balds," scattered sagebrush and shallow moist channels. Phenology: flowering.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: Red Hills ca 0.5-1 air mi WSW of Dugout Bench Mark, ca 46.5 air mi N of Douglas; ca 13 air mi N of Bill.
Sagebrush-grassland on top of scoria hills. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: ridge at the heads of Short and Logan creeks, ca 4 air mi W to WSW of Soda Well; ca 24-25 air mi N of Gillette.
Idaho fescue meadow, scattered sagebrush, disturbed patches, and edge of ponderosa pine forest on scoria ridge. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: along West Fork Duck Creek, ca 7.5 air mi NE of Soda Well, ca 28 air mi NE of Gillette.
Grassland and sagebrush-grassland. Phenology: flowering.

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.
Along stream through sand dunes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: along Steckley or Forest Road 942 just below Robertson Flat, ca 44.5 air mi N of Douglas; ca 13 air mi NNW of Bill.
Right of way with adjacent grassland and sagebrush. Phenology: flowering.
Peter J. Ebertowski, 12. 6/16/2002.
with B. E. Nelson

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: along ridge running N-S, E and above Short Creek, ca 26 air mi NNE of Gillette; ca 3 air mi W of Weston.
Idaho fescue grassland. Phenology: flowering & fruiting.
Peter J. Ebertowski, 182. 6/18/2002.

U.S.A., Wyoming, Carbon County: [location and coordinates withheld]
Broken slate (shale) with ponderosa pine, rocky sandstone ridges, and alkaline flats. Phenology: flowering.
with Amy J. Roderick and B. A. Packer

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: Hay Creek and vicinity on Mush Creek or County Road 58, ca 27 air mi WSW of Newcastle; ca 21 air mi SSW of Upton.
Sagebrush/grassland. Phenology: flowering & fruiting.
Peter J. Ebertowski, 306. 6/20/2002.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: hill N of Lone Tree Creek on Grieves or County Road 5, ca 19.5 air mi SW of Newcastle; ca 26 air mi SSE of Upton.
Rocky slopes and hilltop of broken sandstone. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: ridge W of Alkali Creek, on Cheyenne River or County Road 54, ca 24 air mi SW of Newcastle; ca 40 air mi SSE of Upton.
Sandy hill and ravine. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: hill and tributary ca 2 air mi N of Mush Creek on County Road 49, ca 16 air mi W of Newcastle; ca 18 air mi SSE of Upton.
Sagebrush/grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: ridge separating Bear Creek and Coal Draw, off Jenney Trail or County Road 34, ca 19.5 air mi WNW of Bill; ca 41 air mi NNW of Douglas.
Mosaic of sagebrush and grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: Antelope Creek on Forest Road 942, ca 28 air mi SE of Wright; ca 16.5 air mi NNE of Bill.
On floodplain of creek. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: on a four wheel drive road off Forest Road 944 above and E of Dugout Creek, ca 10 air mi NNW of Bill; ca 43 air mi N of Douglas.
Sandstone ridge with sandy pockets; scattered sagebrush, rabbitbrush, and skunkbush. Phenology: flowering.
with B. E. Nelson

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: Clareton Oil Field W of Bruce or County Road 7C, ca 28 air mi WSW of Newcastle; ca 30 air mi SSW of Upton.
Disturbed soils in grassland. Phenology: flowering.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: above and S of reservoir in gully leading to Robbers Roost Creek, on Cheyenne River or County Road 54, ca 24 air mi SSW of Newcastle; ca 44 air mi SSE of Upton.
Grassland. Phenology: flowering.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: on Jenney Trail Road above and N of Lonetree Creek, ca 15 air mi NW of Bill; ca 25 air mi S of Wright.
Grassland and sagebrush/grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: flats ca 2 mi E of Maycock Spring, on two-track ca 1 mi W of Wyo Hwy 59, ca 11 air mi S of Wright; ca 28 air mi NNW of Bill.
Sagebrush grassland. Phenology: flowering.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: grassland S of Middle Creek on County Road 45, ca 18 air mi E of Bill; ca 46 air mi SE of Wright.
Clay/silt soil on slope above creek. Phenology: flowering.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: ridge along Lodgepole Creek on Cheyenne River or County Road 54, ca 24 air mi SW of Newcastle; ca 52 air mi ESE of Wright.
Depressions of fine sand and sandstone in grassland. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: Hilight oil and gas field, on Keeline Road, ca 9.5 air mi NE of Wright; ca 34 air mi S of Gillette.
Roadside in agricultural land. Phenology: flowering.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: hills W of Skull Creek, on County Road 14, ca 5.5 air mi N of Osage; ca 12 air mi ESE of Upton.
Hilly sagebrush grassland. Phenology: flowering.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: slopes surrounding Iron benchmark, on Butcher or County Road 25, ca 8 air mi SE of Upton; ca 5.5 air mi WNW of Osage.
Sagebrush grassland with scattered greasewood. Phenology: flowering.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: hills W of Turner Creek, on two-track off of U.S. Hwy 16, ca 8 air mi SE of Upton; ca 5.5 air mi WNW of Osage.
Mosaic of sagebrush grassland and clay badlands. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: sagebrush grassland immediately SE of Little Powder River, off Wyo Hwy 59, ca 18 air mi N of Gillette; ca 30 air mi NW of Moorcroft.
Sagebrush grassland on rocky soil. Phenology: flowering.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: Lake Creek on County Road 38, ca 10 air mi NE of Bill; ca 35 air mi SE of Wright.
Slope above creek in Stipa comata grassland. Phenology: flowering & fruiting.
Peter J. Ebertowski, 4774a. 6/14/2003.

U.S.A., Wyoming, Niobrara County: Thunder Basin National Grassland and Vicinity: hills between Snyder and Dogie creeks, on North Lance Creek or County Road 14, ca 43 air mi SW of Newcastle; ca 25 air mi NNW of Lance Creek.
Sagebrush grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Niobrara County: Thunder Basin National Grassland and Vicinity: hills N of Snyder Creek and SE of the confluence of Windmill and North Pasture draws, on Dixon or County Road 2, ca 38 air mi SW of Newcastle; ca 28 air mi N of Lance Creek.
Sandstone outcrop and sandy area below. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: hills S of and draining to West Fork Fiddler Creek on Upton - Fairview or County Road 59, ca 11 air mi S of Upton; ca 22 air mi WNW of Newcastle.
Grassland in sandy soil with rock outcrops. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Thunder Basin National Grassland and Vicinity: hills E of West Fork Wind Creek, off U.S. Hwy 16, ca 10 air mi SE of Moorcroft; ca 10 air mi NW of Upton.
Grassland with scattered sagebrush and greasewood. Phenology: flowering & fruiting.

U.S.A., Wyoming, Niobrara County: Thunder Basin National Grassland and Vicinity: southern edge of Buck Creek Hills, on Meridian or County Road 17, ca 24 air mi N of Lusk; ca 13 air mi ENE of Lance Creek.
Grassland with widely spaced yucca. Phenology: flowering & fruiting.
Peter J. Ebertowski, 5311b. 6/22/2003.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: grassland SE of Reed and Bruce draws, on Dull Center or County Road 38, ca 5.5 air mi NE of Bill; ca 37 air mi NNE of Douglas.
Sagebrush grassland, Elymus smithii and Bouteloua gracilis abundant. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: [location and coordinates withheld]
Shale hills and sandy areas and badlands. Phenology: flowering.
with Amy J. Roderick and Cherie Winner

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: TA Buttes on two-track road off Union Chapel Road, ca 6 air mi SE of Gillette; ca 4.5 air mi S of Wyodak.
Mosaic of silver sagebrush grassland and grassland, sandy soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: Olson Draw, on two track road off Forest Road 1619, ca 14 air mi SE of Wright; ca 48 air mi S of Gillette.
Sagebrush grassland, Bouteloua gracilis abundant. Phenology: flowering & fruiting.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: along Dorsey Creek, ca 9 mi SSE of Burlington.
Saltbush-greasewood community with Allium textile, Xylorhiza glabriuscula, Musineon divaricatum, and Cymopterus acaulis. Phenology: flowering.

U.S.A., Wyoming, Park County: Bighorn Basin: along and just W of Whistle Creek or BLM Road 1213, ca 2.5 mi N of U.S. Hwy 14.
Sagebrush-greasewood steppe with Artemisia pedatifida, Atriplex gardneri, Carex filifolia, and Xylorhiza glabriuscula.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: along Clearwater Creek trail, ca 2-3 mi N of U.S. Hwy 14, 16, & 20.
Open Douglas fir forest. Phenology: fruiting.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: along Whit Creek, ca 1 mi S of Wapiti.
Sagebrush-grassland community. Phenology: flowering.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: immediately E of the mouth of Pagoda Creek, N and S of U.S. Hwy 14, 16, & 20.
Sagebrush-grassland community. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: along north side of North Fork Shoshone River, ca 0.5 mi W of the mouth of Canyon Creek.
Sagebrush-grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: ridge immediately W of Dunn Creek, ca 1-2 mi NW of Wapiti.
In sagebrush-grassland community with Elymus spicatus, Koeleria macrantha and Artemisia frigida. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: ridge between Big Creek and Wall Creek, ca 2-3 mi N of U.S. Hwy 14, 16, & 20.
In grassland community with Koeleria macrantha, Elymus spicatus and Carex filifolia. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: ca 1/8 mi W of Horse Creek and ca 1-2 mi N of U.S. Hwy 14, 16, & 20.
On bench above creek in sagebrush-grassland/woodland mosaic with Artemisia tridentata, Artemisia nova and Elymus spicatus. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: [location and coordinates withheld]
Sagebrush-grassland with Artemisia tridentata, Artemisia cana, Arenaria hookeri, and Agropyron spicatum. Phenology: flowering.

U.S.A., Wyoming, Park County: Bighorn Basin: along west side of YU Bench Road, ca 8 mi S of U.S. Hwy 14, 16, & 20, SE of Cody.
Sagebrush-grassland with Bouteloua gracilis, Opuntia polyacantha, Lappula redowski, Poa secunda, and Astragalus grayi. Phenology: flowering.

U.S.A., Montana, Carbon County: Along Pryor Mountain Road, ca 9 mi SE of Bridger.
Sagebrush-grassland with scattered limber pine and a few ponderosa pine. Phenology: flowering.

U.S.A., Wyoming, Park County: Bighorn Basin: south side of YU Bench, ca 0.5 mi N of County Road 3LE and the Greybull River, ca 5 mi NE of Wyo Hwy 120.
Sagebrush grassland on rocky alluvial soil with Arenaria hookeri, Bouteloua gracilis, Sedum lanceolatum, Stipa comata and Oryzopis hymenoides. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Bighorn Basin: ridge ca 3 mi E of Wyo Hwy 120, ca 9 mi N of Meeteetse.
Rocky ridge in sagebrush grassland and limber pine woodland mosaic with Pentstemon laricifolius, Cymopterus hendersonii, Carex filifolia and Stipa comata. Phenology: flowering & fruiting.

U.S.A., Montana, Park County: Gallatin Range: Gallatin National Forest: Yankee Jim Canyon, on west side of Yellowstone River, ca 12 mi NW of Gardiner.
Sagebrush-grassland/Douglas fir woodland mosaic with Elymus spicatus, Stipa comata, Artemisia tridentata, and Pinus flexilis. Phenology: flowering.

U.S.A., Montana, Carbon County: [location and coordinates withheld]
Sagebrush-grassland with Artemisia pedatifida, Hymenoxys acaulis, Atriplex confertifolia, and Bouteloua gracilis.

U.S.A., Montana, Carbon County: [location and coordinates withheld]
Sagebrush-grassland with Artemisia pedatifida, Hymenoxys acaulis, Atriplex confertifolia, and Bouteloua gracilis. Phenology: flowering.

U.S.A., Montana, Park County: [location and coordinates withheld]
Grassland with a few scattered Juniperus scopulorum and with Stipa comatat, Carex filifolia, Bouteloua gracilis, and Zigadenus venenosus. Phenology: flowering & fruiting.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: ridge along north side of Grass Creek Road, ca 6 mi W of Wyo Hwy 120.
Sagebrush-grassland with Stipa comata, Stanleya tomentosa, Astragalus spatulatus, and Haplopappus armerioides. Phenology: flowering & fruiting.

U.S.A., Montana, Carbon County: Shupak Pond, ca 6 mi NNW of Belfry.
Disturbed sagebrush-grassland S of pond with Erigeron pumilus, Alyssum desertorum, Lappula redowskii, and Bromus tectorum. Phenology: flowering.

U.S.A., Montana, Madison County: [location and coordinates withheld]
Dry, rocky, south facing slope with Cercocarpus ledifolius var. ledifolius, Gutierrezia sarothrae, Agropyron spicatum, and Phacelia hastata. Phenology: flowering.

U.S.A., Montana, Madison County: Madison Valley: along west and east sides of U.S. Highway 287, ca 5 mi S of Cameron.
Disturbed grassland with Melilotus officinalis, Agropyron spicatum, Stipa comata, and Erigeron pumilis. Phenology: flowering.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: ca 0.5 mi NE of Grass Creek, just N of Cottonwood Creek Road, ca 22 mi NW of Thermopolis.
Shrub steppe with Atriplex confertifolia, Atriplex gardneri, Lappula redowskii, and Xylorhiza glabriuscula.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: along east side of Murphy Draw Road, ca 3/4 mi N of Wyo Hwy 431.
Saltbush-grassland with Atriplex gardneri, Atriplex confertifolia, Musineon divaricatum, and Vicia americana. Phenology: flowering.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: along northeast side of Murphy Draw Road, ca 4 mi N of Wyo Hwy 431.
Disturbed saltbush-grassland with Atriplex gardneri, Thlaspi arvense, Bromus tectorum, and Allium textile. Phenology: flowering.

U.S.A., Montana, Park County: Paradise Valley: Gallatin National Forest: La Duke Trail Head, just E of U.S. Hwy 89, ca 6 mi NW of Gardiner.
Disturbed sagebrush-grassland with Artemisia arbuscula, Lewisia rediviva, Lappula redowskii, and Allium textile. Phenology: flowering & fruiting.

U.S.A., Montana, Carbon County: Ridge 2.5 mi SW of Fromberg and 3/4 mi W of U.S. Highway 310.
Sagebrush-grassland with Atriplex confertifolia, Sarcobatus vermiculatus, and Carex filifolia.

U.S.A., Montana, Carbon County: Ridge 1 mi W of Belfry and 1/4 mi N of Mont Hwy 308.
Sagebrush-grassland with Atriplex confertifolia, Agropyron spicatum, and Astragalus missouriensis. Phenology: flowering.

U.S.A., Montana, Park County: Absaroka Mountains foothills: Gallatin National Forest: 2 1/2 mi NE of Gardiner, 0-1/3 mi N of the Jardine Road.
Sagebrush-grassland on south facing slope with Artemisia nova, Agropyron spicatum, Koeleria macrantha, and Balsamorhiza sagittata. Phenology: flowering.

U.S.A., Montana, Carbon County: Ridge 4 mi NE of Fromberg; 1.5 mi E of U.S. Hwy 310.
Disturbed sagebrush-grassland with Agropyron spicatum, Bromus tectorum, and Alyssum alyssoides. Phenology: flowering & fruiting.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: ridge just N of Cottonwood Creek at bridge, ca 30 mi NW of Thermopolis.
Overgrazed sagebrush-grassland with Bromus tectorum, Arenaria hookeri, and Plantago patagonica. Phenology: flowering & fruiting.

U.S.A., Montana, Carbon County: Wolf Canyon 1 mi S of the Yellowstone River, ca 14 mi WSW of Laurel.
Sides of canyon in rocky open ponderosa pine forest with Agropyron spicatum, Festuca idahoensis, and Rhus trilobata in the understory. Phenology: flowering & fruiting.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: ca 1/4 - 1/2 mi N of Little Sand Draw Road, ca 15 mi NW of Thermopolis.
Sagebrush-grassland with Carex filifolia, Stipa comata, and Delphinium geyeri. Phenology: flowering.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: ridge ca 4 mi W of Gebo; 14 mi NW of Thermopolis.
Sagebrush-grassland with scattered Juniperus scopulorum, Oryzopsis hymenoides, Koeleria macrantha, Bouteloua gracilis, and Platyschkuhria integrifolia. Phenology: flowering & fruiting.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: ridge ca 0.5 mi S of Kirby Creek just east of Blue Springs Draw, 20 mi NE of Thermopolis.
Sagebrush-grassland with Stipa comata, Bromus tectorum, and Bouteloua gracilis. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Bridger Mountains: south side of Birdseye Mountain, 1.5 mi SW of Birdseye Pass; 14 mi N of Shoshoni.
Sagebrush-grassland with scattered juniper, Carex filifolia, Koeleria macrantha, and Lomatium orientale. Phenology: flowering & fruiting.

U.S.A., Montana, Park County: Gallatin National Forest: along the north side of Yellowstone River just west of Bear Creek, 2 mi E of Gardiner.
Saltbrush/greasewood grassland on barren south-facing slope with Alyssum alyssoides, Atriplex gardneri, and Sarcobatus vermiculatus. Phenology: flowering & fruiting.

U.S.A., Montana, Park County: Yellowstone National Park: northwest side of Mt. Everts, just above Rescue Creek Trailhead; 1 mi S of Gardiner.
Saltbrush/greasewood grassland with Grayia spinosa, Sarcobatus vermiculatus, and Bromus tectorum. Phenology: flowering.

U.S.A., Montana, Stillwater County: Coal Mine Coulee, ca 10 mi SE of Columbus.
Grassland and open ponderosa pine forest with Koeleria macrantha, Agropyron spicatum, Bouteloua gracilis, and Balsamorhiza incana.

U.S.A., Colorado, Mineral County: Eastern San Juan Mountains: Rio Grande National Forest: Colo Hwy 149; ca 13 air mi SW of Creede.
Spruce forest with scattered aspen in open xeric heavily grazed grassland, pond, spruce forest with scattered aspen, rocky outcrop, subalpine bristle cone forest, creek, roadside; open xeric grassland. Phenology: flowering & fruiting.
Jeanette Flaig, 201a. 7/3/2003.

U.S.A., Colorado, Conejos County: Eastern San Juan Mountains: SE of Terrace Reservoir, 21 air mi SSW of Monte Vista.
Pinyon pine woodland with rock outcrops near ridge. Phenology: flowering & fruiting.

U.S.A., Colorado, Rio Grande County: Eastern San Juan Mountains: Limekiln Peak, Old Spanish Trail, Limekiln, SW of Sevenmile Plaza, 7.5 air mi SE of Del Norte.
Rock outcrops in pinyon/juniper woodland with scattered Douglas fir on west-facing slope. Phenology: fruiting.

U.S.A., Colorado, Rio Grande County: Eastern San Juan Mountains: Rock Creek Park, Bishop Rock, Forest Road 28, 16 air mi SSE of Del Norte.
Open pinyon, juniper, ponderosa pine, and Douglas fir woodland in rock garden. Phenology: fruiting.

U.S.A., Colorado, Mineral County: Eastern San Juan Mountains: Rio Grande National Forest: E of Coller State Wildlife Area: NW of the overlook, side road off Colo Hwy 149, ca 9 air mi NNW of South Fork.
Forest opening and roadside. Phenology: flowering & fruiting.

U.S.A., Colorado, Conejos County: Eastern San Juan Mountains: Rio Grande National Forest: 1-1.2 air mi ENE of spillway on Terrace Reservoir; ridge from Forest Service road to top of first main rock outcrop on ridge leading to Chiquito Peak.
Rocky slopes and outcrops and roadside; roadside. Phenology: flowering & fruiting.
Annotated by Jeanette Flaig.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: Rador Springs along Black Rock Creek ca midway between Spring Butte and Black Rock, ca 28 air mi NE of Rock Springs.
41.8697° N, 108.8352° W; uncertainty .5 mi., Digital Map
Slopes with scattered sagebrush. Phenology: flowering.
with Laura Welp

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: sand dunes and adjacent slope of Iron Spring, ca 1.5 air mi S of Steamboat Mountain; ca 7.5 air mi NW of Spring Butte.
North-facing slope of spring adjacent to sand dune; graminoids dominant near spring, 2-3' sagebrush dominant on slope. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Sweetwater River Drainage: ca 20 air mi SSE of Lander; ca 9 air mi N of Schoettlin Mountain.
Foot of hill with grasses and scattered sagebrush; silty soil. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: Split Rock Canyon, ca 5 air mi NE of Steamboat Mountain; ca 2.5 air mi S of Freighter Spring.
Narrow sagebrush draw on west facing slope at base of sandstone outcrop. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: Bush Rim, ca 4 air mi SW of Oregon Buttes; 6.5 air mi NE of Rock Cabin Spring.
Flat between low rolling hills and sandstone rim; sagebrush and grasses; sandy soil. Phenology: flowering.

U.S.A., Wyoming, Carbon County: [location and coordinates withheld]
Partially vegetated rimtop with scattered grasses and sagebrush; rocky sandy soil with sandstone outcrops. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Great Divide Basin Area: Great Divide Basin: flat near Riddle Creek, ca 5.5 air mi S of Ferris; ca 3 air mi N of Windy Ridge.
Low flat at base of sand dunes; clay soil with sand. Phenology: flowering.

U.S.A., Colorado, Chaffee County: Central Colorado: Mosquito Range, East Slope Continental Divide: 2.6 road mi on County Road 375 from junction with County Road 371, ca 5 air mi N Buena Vista.
Mixed conifer (Pinus ponderosa, P. edulis, Pseudotsuga menziesii). Phenology: flowering & fruiting.

U.S.A., Colorado, Chaffee County: Central Colorado: Sawatch Range, East Slope Continental Divide: near Heckendorf State Wildlife Area, 0.7 road mi on County Road 368 from County Road 361, ca 5.5 air mi NW of Buena Vista.
Shortgrass prairie with Bouteloua gracilis, sagebrush, and Leptodactylon. Phenology: flowering & fruiting.

U.S.A., Colorado, Chaffee County: Central Colorado: Sawatch Range, East Slope Continental Divide: 0.5 road mi on County Road 321, ca 3.5 air mi SW of Buena Vista.
Shortgrass prairie with graminoid-sagebrush on flat topography. Phenology: flowering & fruiting.

U.S.A., Colorado, Chaffee County: Central Colorado: Sawatch Range, East Slope Continental Divide: Shavano Wildlife Area, 2.1 road mi on County Road 250 from junction with County Road 140, ca 3.5 air mi NW of Poncha Springs.
Burned area with slash distributed, open Pinus edulis mesa top. Phenology: flowering & fruiting.

U.S.A., Colorado, Chaffee County: Central Colorado: Mosquito Range, East Slope Continental Divide: off County Road 371 near the "Numbers" at Pumphouse Rock climbing area, ca 11 air mi N of Buena Vista.
Montane shrub (Ribes and Rubus) on sandstone and conglomerate. Phenology: flowering & fruiting.

U.S.A., Colorado, Chaffee County: Central Colorado: Sawatch Range, East Slope Continental Divide: at junction of County Road 371 and County Road 375, ca 3 air mi N of Buena Vista.
Dry pinyon woodland with sandy soil. Phenology: flowering & fruiting.

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: ca 4 air mi NNE of Almont.
Sagebrush ridge interspersed with aspen. Phenology: flowering & fruiting.

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: ca 4 air mi NNE of Almont.
Aspen forest with sagebrush meadow openings. Phenology: flowering & fruiting.

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: ca 4 air mi NNE of Almont.
Steep drainage; Douglas fir, juniper, aspen, and Colorado blue spruce. Phenology: flowering & fruiting.

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: ca 4.5 air mi NNE of Parlin.
Sagebrush, Douglas fir, ponderosa pine, and juniper. Phenology: flowering & fruiting.

U.S.A., Colorado, Delta County: Northern Gunnison Basin: ca 4 air mi NNE of Crawford.
Pinyon and juniper. Phenology: flowering & fruiting.

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin:
Sagebrush meadow. Phenology: flowering & fruiting.

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: ca 6.5 air mi W of Gunnison.
Sagebrush slope. Phenology: flowering & fruiting.

U.S.A., Colorado, Delta County: Northern Gunnison Basin: ca 4.5-7 air mi E to ESE Hotchkiss.
Rolling hills with sagebrush and saltflats, ridges with some pinyon-juniper. Phenology: flowering & fruiting.
Annotated by Kevin J. Taylor.
with Kevin J. Taylor

U.S.A., Colorado, Delta County: Northern Gunnison Basin: ca 2 air mi NW of Crawford.
Sagebrush and saltbush hills. Phenology: flowering & fruiting.
Accession: 773054

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: ca 13 air mi WSW of Gunnison.
Sagebrush slope; Quercus and Juniperus. Phenology: flowering & fruiting.
Accession: 773053

U.S.A., Colorado, Delta County: Northern Gunnison Basin: N of Youngs Peak, ca 3/4 air mi N of Crawford.
Pinyon/juniper forest and sagebrush. Phenology: flowering & fruiting.
Accession: 773073

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: ca 6 air mi ENE of Gunnison.
Sagebrush slope. Phenology: flowering & fruiting.

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: ca 9 air mi ESE of Gunnison.
Sagebrush slope and drainage. Phenology: flowering & fruiting.

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: ca 10 air mi E of Gunnison.
Sagebrush and aspen on top of mesa, and along east-facing sandstone cliffs. Phenology: flowering & fruiting.

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: ca 4 air mi E of Gunnison.
Sagebrush meadows. Phenology: flowering & fruiting.

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: ca 3.5 air mi NW of Gunnison.
Sagebrush hills. Phenology: flowering & fruiting.

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: ca 6 air mi W of Gunnison.
South-facing sagebrush slope. Phenology: flowering & fruiting.

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: ca 12 air mi WSW of Gunnison.
Up sagebrush-covered drainage. Phenology: flowering & fruiting.

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: ca 1 air mi SW of Almont.
Sagebrush-covered drainage. Phenology: flowering & fruiting.

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: ca 1 air mi W of Almont.
Sagebrush-covered drainage. Phenology: flowering & fruiting.

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: ca 3.5 air mi E of Parlin.
Sagebrush meadow. Phenology: flowering & fruiting.

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: ca 9 air mi E of Parlin.
Sagebrush hills. Phenology: flowering & fruiting.

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: ca 1 air mi E of Almont.
Sagebrush hills. Phenology: flowering & fruiting.

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: ca 3.5 air mi NE of Almont.
Sagebrush meadow. Phenology: flowering & fruiting.

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: ca 14 air mi WSW of Gunnison.
Sagebrush meadow; Quercus, Amelanchier, juniper, and Purshia. Phenology: flowering & fruiting.

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: along Red Creek, ca 4 air mi NE of Sapinero.
Along creek and sagebrush hills; Populus angustifolia, Salix, Ribes, Amelanchier, Quercus, and Symphoricarpos. Phenology: flowering & fruiting.

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: ca 3.5 air mi N of Taylor Park Reservoir.
Steep, east-facing slope; lodgepole pine forest; subalpine fir, sagebrush, and Juniperus communis. Phenology: flowering & fruiting.

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: ca 0.5 air mi E of Taylor Park Reservoir.
Sagebrush meadow, open lodgepole pine forest, and along stream. Phenology: flowering & fruiting.

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: Taylor Canyon, ca 7 air mi NE of Almont.
Steep, north-facing cliff in canyon along ridge; Douglas-fir, Shepherdia, Ribes, and Acer. Phenology: flowering & fruiting.

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: along Spring Creek, ca 7.5 air mi NNE of Almont.
Lodgepole pine/Douglas-fir forest along creek; Colorado blue spruce, limber pine, Cornus, Acer, Sambucus, and Alnus. Phenology: flowering & fruiting.

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: ca 5.5 air mi NNE of Almont.
Douglas-fir/juniper forest; aspen and Juniperus communis. Phenology: flowering & fruiting.

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: ca 7.5 air mi NNE of Almont.
Aspen forest and Douglas-fir/lodgepole pine/limber pine forest; Juniperus communis and Ribes. Phenology: flowering & fruiting.

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: ca 2 air mi SW of Almont.
Sagebrush meadow; Balsamorhiza. Phenology: flowering & fruiting.

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: ca 12 air mi W of Gunnison.
Aspen forest and sagebrush meadow along ridge; Juniperus communis, Douglas-fir, and Symphoricarpos. Phenology: flowering & fruiting.

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: breaks ca 12.5 air mi ESE of Oelrichs.
Slopes of the breaks. Phenology: flowering.
Annotated by Grace M. Kostel.
with Grace Kostel

U.S.A., Nebraska, Dawes County: Oglala National Grassland and Vicinity: Carlsen Butte, ca 8.5-9 air mi N of Crawford.
Grasslands with some badlands on the slopes and draws. Phenology: flowering.
Annotated by Grace M. Kostel.
with Grace Kostel

U.S.A., Nebraska, Dawes County: Oglala National Grassland and Vicinity: S of Sugarloaf or Forest Road 900, just E and NE of Strawstack Butte, ca 16.5 air mi NNE of Crawford.
Mosiac of grassland, badlands, rocky slopes of clay, and drainage bottoms. Phenology: flowering.
Annotated by Grace M. Kostel.
with Grace Kostel

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 4-5 air mi SSE of Scenic on Forest Road 7172 on Big Hollow Creek.
In stream bottom with soils of sand, silt and clay. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 4-5 air mi SSE of Scenic on Forest Road 7172 on Big Hollow Creek.
On sideslopes of creek and grassy upslopes near creek. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 4.5 air mi SSE of Scenic on Forest Road 7172, near the Cheyenne River.
On revegetated and stabilized sand dunes of the river. Phenology: flowering.

U.S.A., South Dakota, Jackson County: Buffalo Gap National Grassland and Vicinity: ca 2-2.5 mi E of Interior and 0.5 mi S of Badlands National Park Headquarters.
Typical badlands topography and landscape, on sand and clay soils. Phenology: flowering.

U.S.A., South Dakota, Jackson County: Buffalo Gap National Grassland and Vicinity: ca 9 mi W of Kadoka.
Typical badlands topography, area is cut by meandering ephemeral streams and areas of grass; soils are heavy, white clay. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: Railroad Buttes, top of Railroad Butte ridge, 12 air mi SE of Rapid City.
Rocky ridge top with soils of sand and some loamy clay; grass areas alternate with eroded bare ridge areas. The slope facing north-northeast is vegetated; the west-facing slope is heavily wind-swept, eroded and bare. Phenology: flowering & fruiting.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 4.5-5 air mi SE of Wall, 2-2.5 mi S of I-90, channel draining into Whitewater Creek..
On badlands in deep channel draining into creek; soils of white, heavy clays. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 3 mi SE of Thompson Butte, 12 air mi SE of Rapid City.
Agate bed. Phenology: flowering.

U.S.A., South Dakota, Custer County: Buffalo Gap National Grassland and Vicinity: ca 19 air mi SE of Hermosa.
Butte tops and slopes of sand and gravel soil. Phenology: flowering.

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 19 air mi N of Crawford and 1.5 mi W of NE Hwy 71 and NE Hwy 2.
In silt soils and rock beds. Phenology: flowering.

U.S.A., Nebraska, Dawes County: Oglala National Grassland and Vicinity: ca 9 air mi NNE of Crawford and 1 mi E of NE Hwy 71 and NE Hwy 2 on Carlson Peak.
On peak and adjacent side slopes of clay soils. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 3.5 air mi ESE of Wall and 0.5 mi S of U.S. Hwy 14 on Cottonwood Creek.
In Pascopyrum smithii/Nassellus viridula plant community and grass upland on north side of creek in silty soil. Phenology: flowering.

U.S.A., South Dakota, Jackson County: Buffalo Gap National Grassland and Vicinity: ca 8.5-9 air mi WSW of Kadoka and 0.5 mi N of County Road CH6.
Badland grassland, clay soil. Phenology: flowering.

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 15 air mi N of Crawford, 1/4 mi E of Sugarloaf Butte.
Agate rock bed, interspersed with sand and clay limestone soils. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 13 air mi NE of Hermosa and 4-4.5 mi W of County Road 121.
Clay water catchment site. Phenology: flowering.

U.S.A., South Dakota, Custer County: Buffalo Gap National Grassland and Vicinity: between Shorty Draw and French Creek, ca 9 air mi E of Fairburn and 14.5 air mi SE of Hermosa.
Ridge sideslopes. Phenology: flowering & fruiting.

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: along Moss Agate Creek, ca 8.5 air mi WNW of Edgemont and ca 5 air mi N of U.S. Hwy 18.
Upland slopes of alkali clay and gravel, draw of wet, mucky clay. Phenology: flowering.

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 32 air mi NW of Crawford and 2 mi W of Edgemont Road on Forest Road 930.
On ridge W of draw; gravel and rock soils. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 19.5-20 air mi SSW of Wall.
On a mesa top and northeast facing slopes, soils are sand. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 6 air mi SE of Scenic.
On north facing slope of mesa, soils are sand and gravelly loam. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 11 air mi SE of Scenic.
In badlands area, revegetated and stable, soils are clay and clay loam. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 13 air mi SW of Wall and 3/4 mi E of Sage Creek Road in Bear Creek.
Deep white-clay drainage. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 2-2.5 air mi SSW of Wall and 1/4 mi W of SD Hwy 240.
In a Hesperostipa comata plant community on a rocky upland and nearby butte. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 13-13.5 air mi due S of Wall and adjacent to Shannon County and Pine Ridge Indian Reservation boundary fence.
Deep white clay soil of floodplain. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 6 air mi SSE of Scenic and due E of County Road C589.
In deep drainage of heavy white clay soil and near uplands of Hesperastipa comata grass plant community.

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 15 air mi SE of Ardmore, South Dakota.
At base and ridge top of eroded limestone banks in clay soils. Phenology: flowering.

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: ca 6 air mi due S of Edgemont, 1/4 mi due E of SD Hwy 471.
In Hesperostipa comata prairie upland. Phenology: flowering.

U.S.A., South Dakota, Jackson County: Buffalo Gap National Grassland and Vicinity: ca 2 air mi SW of Cottonwood.
On grass covered butte, soils are gravel and silty loam. Phenology: flowering.

U.S.A., South Dakota, Jackson County: Buffalo Gap National Grassland and Vicinity: ca 3 air mi SSW of Cottonwood.
On grass covered butte, soils are gravel and silty loam. Phenology: flowering.

U.S.A., South Dakota, Jackson County: Buffalo Gap National Grassland and Vicinity: ca 5 air mi SSE fo Cottonwood.
On grass covered butte, soils are gravel and silty loam. Phenology: flowering.

U.S.A., South Dakota, Custer County: Buffalo Gap National Grassland and Vicinity: ca 9.5-10 air mi SE of Farmingdale and 1 air mi SE of Berner Dam.
In rock beds of rocky, heavy clay soil with iron present. Phenology: flowering.

U.S.A., South Dakota, Custer County: Buffalo Gap National Grassland and Vicinity: ca 10 air mi SE of Farmingdale.
In rock bed with soils of heavy clay with iron present. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 5 air mi SE of Wall.
Flat to rolling grass uplands draining into clay basin floodplains; soils are sand and silt on uplands to heavy clay in basin bottoms. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 6.5 air mi SE of Wall.
Flat to rolling grass uplands draining into clay basin floodplains; soils are silt and sand on uplands and heavy clay in basin bottoms. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 7.5-8 air mi SSE of Wall in Bloom Basin.
Soils are deep heavy white clay. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 9.5 air mi SE of Wall in Bloom Basin.
Soils are deep heavy white clay. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 11 air mi SE of Wall.
On a butte top strewn with rock; soils are gravel and loam. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 6.5 air mi SSE of Wall.
On a rock covered mesa having a soil depression due to moisture at summit; soil is gravel and silt. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 6 air mi SSE of Wall.
In typic badlands habitat; soils are deep heavy clay. Phenology: flowering.

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: ca 5 air mi SE of Oelrichs and ca 3 air mi SE of Limestone Butte near Forest Road 7026.
On rolling prairie uplands dissected by deep drainages; soils are loam to loamy clay. Phenology: flowering & fruiting.

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 5.5 air mi NW of Toadstool Geologic Park and 1/4 mi due N of Orella Road.
Typic badlands habitat; soils are deep heavy white clay. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 5.5 air mi SE of Scenic in Big Hollow Creek.
Soils are unstable, gravel and clay streambed. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 6.5 air mi SE of Scenic in Cain Creek.
In a side drainage of and in the creek, soils are white clays. Phenology: flowering.

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: below the northeast end of Black Mesa and SW of Chorreras, ca 1.5 air mi NNE of Embudo; ca 7 air mi SE of Ojo Caliente.
Reddish, sandy clay roadcut slopes covered with basalt boulders and cobbles with pinyon/juniper. Phenology: flowering & fruiting.

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: English Tanks and adjacent Canyon de los Tanques, ca 11 air mi SW of Canjilon.
Sagebrush steppe. Phenology: flowering & fruiting.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: along Red Hole or BLM Road 1426, ca 7.5 air mi ESE of Lucerne and ca 11.2 air mi NE of Thermopolis.
Sagebrush with sandy soil. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Bighorn Basin: along BLM Road 1427 W of Sand Creek, ca 7.3 air mi NE of Worland.
Sagebrush and greasewood on mudstone and sandstone. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Bighorn Basin: along Fifteenmile or BLM Road 1429, ca 12 air mi NW of Worland.
Sagebrush and greasewood in sandy soil. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Bighorn Basin: along Blue Bank or BLM Road 1411, ca 9.7 air mi WSW of Ten Sleep.
Sagebrush on sandy soil. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Bighorn Basin: along Blue Bank or BLM Road 1411, ca 8.8 air mi WSW of Ten Sleep.
Sagebrush on sandy soil. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Bighorn Basin: along BLM Road 1404, ca 9.0 air mi S of Worland and S of East Fork Nowater Creek.
Sagebrush on sandy soil. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Bighorn Basin: E of Cottonwood Creek and Wildhorse Hill, ca 7.1 air mi ENE of Ten Sleep.
Sagebrush and juniper on sandy slope. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Bighorn Basin: along County Road 47 at Red Gulch, ca 8.2 air mi NW of Ten Sleep.
Sagebrush and juniper on sandy slope. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Bighorn Basin: along County Road 83, ca 9.2 air mi NW of Ten Sleep and 9.2 air mi SSE of Hyattville.

U.S.A., Wyoming, Washakie County: Bighorn Basin: along BLM Road 1435, ca 4 air mi WSW of Ten Sleep.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: along BLM Road 1409, south tributary and headwaters of Mud Creek, ca 21.8 air mi ENE of Thermopolis.
Sagebrush on sandy soil of Cody shale. Phenology: flowering.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: along BLM Road 1409 S of Nowater Creek and W of Scorpion Draw, ca 24.5 air mi ENE of Thermopolis.
Sagebrush on sandy soil of Cody shale. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Bighorn Basin: along BLM Road 1404 S of Nowater Creek and W of Scorpion Draw, ca 25 air mi ENE of Thermopolis.
Sagebrush on sandy soil of Cody shale. Phenology: flowering.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: along Black Mountain Road on Lake Creek Divide, ca 22 mi ENE of Thermopolis.
Sagebrush and yucca on shale and sandy soil. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Bighorn Basin: along Broken Back or BLM Road 1415, ca 3.8 air mi NNE of Ten Sleep.
Juniper and sagebrush on mudstone. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Bighorn Basin: along Spring Creek or County Road 58 and N of Otter Creek, ca 6.8 air mi N of Big Trails and 13.5 air mi SSE of Ten Sleep.
Juniper with sagebrush and yucca on siltstone, shale, and sandstone; plus terrace deposits. Phenology: flowering.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: along County Road 26, ca 3.7 air mi NE of Thermopolis and E of Bighorn River.
Juniper and sagebrush on sandstone. Phenology: flowering.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: along Centennial Road, ca 6.1 air mi ENE of Thermopolis.
Juniper and sagebrush on sandstone. Phenology: flowering.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: S of Warm Springs Creek, ca 3.8 air mi SE of Thermopolis.
Sagebrush on sandstone. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Bighorn Basin: SW of Canyon Creek, ca 4.9 air mi E of Ten Sleep.
Juniper with sagebrush and yucca on mudstone and siltstone. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Bighorn Basin: along Rome Hill or County Road 56 and S of Cooks Canyon, ca 11.3 air mi ESE of Ten Sleep.
Sagebrush on mudstone and siltstone. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Bighorn Basin: W of Nowood River and Wyo Highway 434, ca 4.5 air mi SE of Tensleep.
Juniper and sagebrush. Phenology: flowering.

U.S.A., Wyoming, Big Horn County: Big Horn Mountains: along Cold Springs Road S of Medicine Lodge Canyon, ca 6.5 air mi NE of Hyattville and ca 30.5 air mi NE of Worland.
Juniper and sagebrush. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Bighorn Basin: along BLM Road 1431 N of Wyo Hwy 431, ca 25.5 air mi W of Worland.
Reservoir and sagebrush. Phenology: flowering.

U.S.A., Colorado, Gunnison County: Southern Gunnison Basin: on County Road 56A, ca 1.8 air mi SW of Gunnison.
Sagebrush steppe. Phenology: flowering & fruiting.
Melanie Arnett, 68. 6/7/1998.

U.S.A., Colorado, Gunnison County: Southern Gunnison Basin: E of South Beaver Creek, ca 4.6 air mi S of intersection of U.S. Hwy 50 and County Road 32; ca 5.8 air mi E of Blaine Rock; ca 6.8 air mi SSW of Gunnison.
Douglas fir/sagebrush rockland. Phenology: flowering & fruiting.

U.S.A., Colorado, Gunnison County: Southern Gunnison Basin: east side of County Road 32B, ca 3.5 air mi N of Saguache County; ca 5 air mi SSW of Gunnison.
Rolling sagebrush shrubland. Phenology: flowering & fruiting.

U.S.A., Colorado, Gunnison County: Southern Gunnison Basin: between Stubbs Gulch and Gold Basin Creek just N of Saguache County, ca 8.3 air mi SSE of Gunnison.
Sagebrush shrubland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Devils Gate State Historic Site: roadside pullout on Wyo Hwy 220, ca 14 air mi NE from Muddy Gap Junction.
Flat sagebrush grasslands with scattered forbs; somewhat disturbed. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Wetlands and Adjacent Areas: Carr Reservoir on Twin Creek along Twin Creek or County Road 19, ca 17 air mi SE of Lander.
Sagebrush flats above the reservoir. Phenology: flowering.
Annotated by Rachel Newton.

U.S.A., Wyoming, Carbon County: Wetlands and Adjacent Areas: confluence of North Platte River and Corral Creek, ca 12 air mi NE of Encampment.
Dry uplands with Artemisia. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Wetlands and Adjacent Areas: Eden Reservoir.
Sandy sagebrush and grass uplands and slopes. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Wetlands and Adjacent Areas: Beaver Creek, ca 24 air mi SE of Lander.
Streamside, flood plains up to ridgetop. Phenology: flowering.

U.S.A., Wyoming, Albany County: Wetlands and Adjacent Areas: Laramie River, ca 4 air mi SW of Laramie.
Moist sandy uplands. Phenology: flowering.

U.S.A., Wyoming, Albany County: Wetlands and Adjacent Areas: Mortenson Lake, ca 16 mi SW of Laramie.
Sandy, dry uplands. Phenology: flowering.

U.S.A., Wyoming, Albany County: Wetlands and Adjacent Areas: Sand Creek, ca 20 air mi SW of Laramie.
Dry sandy uplands. Phenology: flowering.

U.S.A., Wyoming, Crook County: Wetlands and Adjacent Areas: Inyan Kara Creek, ca 17 air mi NE of Moorcroft.
Dry Artemisia scrub uplands. Phenology: flowering.

U.S.A., Wyoming, Crook County: Wetlands and Adjacent Areas: Keyhole Reservoir, ca 11 air mi NE of Moorcroft.
Dry sandy uplands with occasional rock outcroppings. Phenology: flowering.

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Front Range: bordering Cherokee Park State Wildlife Area on Cherokee Park or County Road 80C, on trail to Turkey Roost, ca 26 air mi NNW of Fort Collins.
Low foothills with Sisymbrium, Astragalus, Rhus, and Juniperus in the shallow gulleys. Phenology: flowering.

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Front Range: Haystack Rock off County Road 80C in Cherokee Park past Trail Creek, ca 28 air mi NNW of Fort Collins.
On Purshia hillsides with dry gravel washes with Potentilla, granite boulder piles, a few small running streams into Trail Creek, and occasional ponderosa pines. Phenology: flowering.

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Front Range: on Colo Hwy 14, 2 mi E of Greyrock National Recreation Trail, ca 10 air mi NW of Fort Collins.
A dry meadow with escaped Hesperis near a private pasture. Phenology: flowering.

U.S.A., Wyoming, Albany County: Ca 8 mi SE of Laramie.
41.2547° N, 105.4461° W; NAD 83, uncertainty 2 mi., Digital Map
Sandy prairie. Rays white. Phenology: flowering & fruiting.

U.S.A., Wyoming, Laramie County: Ca 15 mi W of Cheyenne on U.S. Hwy 30.
41.0918° N, 104.9955° W; NAD 83, uncertainty 1 mi., Digital Map
Sandy soil. Rays white. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Pole Mountain Region.
41.2319° N, 105.3901° W; NAD 83, uncertainty 5 mi., Digital Map
Granitic soil, grassy hills. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: 20 mi N of Baggs.
Sagebrush slopes. Common; rays white. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: along the river immediately W of Horse Creek Picnicground, just N of U.S. Hwy 14, 16, & 20.
Sagebrush-grassland community, prominent species include Artemisia tridentata ssp. vaseyana, Koeleria macrantha, Stipa comata and Vicia americana. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: along the south side of the North Fork Shoshone River, ca 1 3/4 mi W of Elk Fork Creek and ca 1/8 mi N of U.S. Hwy 14, 16, & 20.
Sagebrush/grassland community. Phenology: flowering.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: ridge just E of Wall Creek, ca 1.5-2.0 mi N of U.S. Hwy 14, 16, & 20.
Open sagebrush/grassland community, dominant species include Artemisia nova, Stipa comata, and Agropyron spicatum.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Grey Reef Reservoir access road off of Wyo Hwy 220 along North Platte River, ca 26 air mi SW of Casper.
Sandy slope arising out of greasewood flats adjacent to river; disturbed. Phenology: flowering.

U.S.A., Wyoming, Park County: Bighorn Basin: ca 1/4 mi S of Willwood Road; ca 2 mi E of U.S. Hwy Alt 14; ca 12 mi SE of Powell.
Grassland with some Artemisia tridentata and with Bouteloua gracilis, Carex filifolia, and Stipa comata. Phenology: fruiting.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: ridge between Sweetwater and Horse creeks, ca 1/4-1 mi N of the North Fork Shoshone River.
Open Douglas fir-limber pine parkland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Between Fish Creek Road and Cottonwood Creek, 28 road mi NW of Wheatland.
Elev. 1616 m.
Grassland and disturbed roadside. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Between Fish Creek Road and Cottonwood Creek, 28 road mi NW of Wheatland.
Elev. 1616 m.
Grassland. Phenology: flowering.

U.S.A., Wyoming, Converse County: Betty Reservoir, County Road 34.
Phenology: flowering & fruiting.
Mary Alice Sanguinetti, 10. 7/5/1978.
with Keith H. Dueholm

U.S.A., Wyoming, Campbell County: Powder River Basin: Dead Horse Creek, ca 2.5 mi S of I-90 and 19 mi SW of Gillette.
Artemisia cana community on alluvial terrace above stream with understory of Bromus tectorum and Elymus smithii. Phenology: flowering & fruiting.

U.S.A., Wyoming, Laramie County: 3 mi W of Cheyenne.
Grassland with Bouteloua and Koeleria. Rays white. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: Fort Laramie National Historic Site.
Rocky slope with Antennaria and Paronychia. Uncommon. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Ca 0.5 mi N of Wyo Hwy 351.
Sandstone and mudstone substrate; Wyoming sage and low sagebrush. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie Range: adjacent to County Road 241, ca 3 air mi E of U.S. Hwy 287, ca 0.5 mi S of Dale Creek, ca 18 mi SSE of Laramie.
Pink Sherman gravel and quartzite slopes and plains in Artemisia tripartita-Muhlenbergia filiculmis community. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Laramie Range: north side of Wyo Hwy 210 (Happy Jack Road) on north side of Brush Creek, ca 1.5 mi W of Laramie County and 2 mi E of Twin Mountain.
Meadow of Artemisia tripartita, A. tridentata var. vaseyana, and Koeleria macrantha on south-dipping gentle slopes below Sherman Granite knob. Soil dry, rocky-loam with high cover of Selaginella densa. Phenology: flowering & fruiting.

U.S.A., South Dakota, Jackson County: Badlands National Monument: 3 mi NE of Cedar Pass Lodge.
T3S R18E S26
Annotated by C. L. G. & G. W. P..
with G. W. Parmelee, Stella M. Wilson, and P. G. Coleman

U.S.A., South Dakota, Jackson County: Badlands: Cedar Canyon, Interior.
South-facing cliffs along Great Wall; red cedar association. Phenology: flowering.
Annotated by Arthur Cronquist in 1943.

U.S.A., South Dakota, Jackson County: Buffalo Gap National Grassland: 3 mi S and 1 mi W of Cactus Flats.
In sandy clay soil; with Agropyron smithii, Melilotus officinalis, and Bouteloua gracilis. Elev closer to 2600 f (USGS 7.5') G. Bryson Phenology: flowering.
Annotated by Charles Feddema.
with E. C. Garrett

U.S.A., South Dakota, Harding County: Custer National Forest.
Sandy loam. Phenology: flowering.
Louis W. Shevling, 24. 6/8/1924.

U.S.A., South Dakota, Harding County: West Short Pine Hills.
Annotated by Arthur Cronquist in 1944.

U.S.A., South Dakota, Perkins County: Lemmon.
Annotated by Arthur Cronquist in 1944.

U.S.A., South Dakota, Shannon County:

U.S.A., South Dakota, Harding County: Cave Hills.

U.S.A., Wyoming, Albany County: Laramie Range: ca 5 road mi NW of Buford on I-80; ca 14.5 air mi SE of Laramie.
Sagebrush grassland. Phenology: flowering & fruiting.
with T. McGowan

U.S.A., Wyoming, Albany County: Laramie Range: ca 33 air mi NE of Rock River.
Granite outcropping. Phenology: flowering & fruiting.
with J. Brondum and T. McGowan

U.S.A., Wyoming, Albany County: Laramie Range: ca 30 air mi NE of Rock River.
Granite outcrop. Phenology: flowering & fruiting.
with J. Brondum and T. McGowan

U.S.A., Wyoming, Albany County: Laramie Range: Laramie Peak Wildlife Habitat Management Area: ca 32 air mi NE of Rock River.
Granite outcrops. Phenology: flowering & fruiting.
with J. Brondum and T. McGowan

U.S.A., Wyoming, Albany County: Laramie Range: Laramie Peak Wildlife Habitat Management Area: Pine Mountain, ca 32 air mi NE of Rock River.
Southern slope granite outcrop. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Laramie Range: ca 1.8 air mi N from Wyo Hwy 34; ca 39.9 air mi NE of Laramie.
Dry creek bed. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Emigrant Gap Ridge, ca 3.5 air mi S of U.S. Hwy 20/26; ca 14.8 mi WNW of Casper.
Barren, saline ridge with scattered Artemisia pedatifida. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Poison Spider bentonite pit W of County Road 202, ca 12 air mi W of Casper.
Ponderosa pine on shale, bentonite hills. Phenology: flowering.

U.S.A., Wyoming, Laramie County: Laramie Range: ca 1 air mi N of Wyo Hwy 210 on Brush Creek; ca 3.5 mi N of Crystal Lake Reservoir; ca 18 air mi NE of Laramie.
Granite outcrops and draw along creek. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Laramie Range: ca 1/4 road mi from upper North Crow Reservoir along the North Branch North Fork Crow Creek, ca 4.5 road mi NNW on County Road 109; ca 15 air mi NE of Laramie.
Creekside and granite outcrops. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Laramie Range: ca 17 road mi SE of Laramie on U.S. Hwy 287; ca 2.5 road mi E on County Road 241.
Granite outcrops, creekside, and old mine tailings. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: [location and coordinates withheld]
Granite outcrops. Phenology: flowering & fruiting.
with T. McGowan

U.S.A., Colorado, Douglas County: 3 mi E of Castle Rock.
Loam of grassland. Annotated 1943-4 Phenology: flowering.

U.S.A., Wyoming, Natrona County: Laramie Range: W of Little Red Creek on the southwest side of Casper Mountain, ca 10.5 air mi SW of Casper.
Nearly flat sagebrush areas between the creek and steep slopes. Phenology: flowering & fruiting.

U.S.A., Colorado, Larimer County: 0.25 mi W of U.S. Hwy 287; 21.9 mi S of Virginia Dale.
Roadside, red sandstone, west facing slope; with Agropyron, rabbitbrush, rose and blue grama. Phenology: flowering.

U.S.A., Colorado, Larimer County: Phantom Canyon Ranch, 1 mi N of North Fork Cache la Poudre River.
Granite derived soils, parkland dominated by Stipa comata, Chondrosum gracile and Artemisia frigida. Phenology: flowering.

U.S.A., Colorado, Moffat County: Dinosaur National Monument: upper drainage of Dry Woman Canyon, ca 0.25 mi S of Rim Point above Yampa River.
T6N R101W S9 Central 1/4
Shallow sandy soil of dry wash with Pinus edulis, Cercocarpus intricatus, Petradoria and Oryzopsis: Weber Formation. Phenology: flowering.

U.S.A., Colorado, Montrose County: Roubideau Creek, just NW of junction with Potter Creek, 1 mi SSE of The Narrows and 25 Mesa.
Along gully in rocky soil. Phenology: flowering & fruiting.

U.S.A., Colorado, Gunnison County: 6 mi N of Gunnison on road to Crested Butte.
Sagebrush scrub. Phenology: flowering.
with D. Neill and C. Hamilton

U.S.A., Wyoming, Converse County: Laramie Range: N of North Fork Little Medicine Bow River, ca 5 air mi W of Warbonnet Peak, ca 29-30 air mi S of Glenrock; ca 5-5.5 air mi NE of Little Medicine.
Gravelly, rocky sagebrush slopes with rock outcrops, scattered limber pine, and occasional Douglas fir. Phenology: flowering & fruiting.
Annotated by B. A. Packer.

U.S.A., Colorado, Weld County: Grover.
Prairies. Annotated 1943-4. Phenology: flowering.

U.S.A., Colorado, Mesa County: 0.2 mi N on Glade Park Road from junction with DS Road.
Swale in cultivated pasture. Phenology: flowering.
with R. Abbott

U.S.A., Colorado, Mesa County: 2 mi S of East Orchard Mesa.
T1S R2E S21 NW1/4 of NE1/4
Atriplex community, clay barrens with basalt litter, Mancos Shale Formation. Phenology: flowering.
with M. Chatterley

U.S.A., Colorado, Boulder County: Valmont.
Dry grassland. Annotated 1943-4. Phenology: flowering & fruiting.

U.S.A., Colorado, Boulder County: Near Boulder.
Annotated 1943-4. Phenology: flowering.

U.S.A., Colorado, Boulder County: Near Boulder.
Annotated 1943-4. Phenology: flowering & fruiting.

U.S.A., Colorado, Larimer County: Fossil Creek.
Mesa. Annotated 1943-4. Phenology: flowering & fruiting.

U.S.A., Colorado, Huerfano County: La Veta.
Annotated 1943-4. Phenology: flowering.

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

U.S.A., Colorado, Weld County: New Windsor.
Annotated 1943-4. Phenology: flowering.
George E. Osterhout, 21. 6/6/1892.

U.S.A., Colorado, Larimer County: Dale Creek.
Annotated 1943-4. Phenology: flowering & fruiting.
George E. Osterhout, 940. 7/1/1896.

U.S.A., Colorado, Yuma County: Yuma.
Harry Hapeman, s.n.. 6/10/1920.

U.S.A., Colorado, Fremont County: Off an east/west road to Brush Hollow Reservoir, north side of road, ca 0.5 mi from Hwy 115 near small farming community.
Annotated by William A. Weber in 1991.
I Gusti Raka Panji Tisna, 7. 5/3/1988.
with Lisa Hafenrichter

U.S.A., Colorado, Denver County: Denver.
Prairie. Annotated 1943-4. Phenology: flowering.

U.S.A., Colorado, Gunnison County: S of Gunnison airport at old uranium mill tailings site.

Erigeron pumilus var. pumilus ()
U.S.A., Colorado, Lake County: Near Leadville.
with N. T. Schedin

U.S.A., Colorado, Weld County:
Sandy soil, grass. Phenology: flowering & fruiting.
Annotated by S. F. Blake.

U.S.A., Colorado, Elbert County: 7 mi NE of Elizabeth.
Plains. Annotated 1943-4 Phenology: flowering.

U.S.A., Colorado, El Paso County: Ramah vicinity.
On top of banks outside of gravel pit on hilltop. Phenology: flowering.

U.S.A., Colorado, Arapahoe County: Buckley Air Force Base: west end of transect 40 m NE of the southwest corner of the installation. 521143E 4392527N to 521504E 4392570N to 521795E 4392514N to 521881E 4392514N.
Level to rolling shortgrass prairie on silt-like to sandy loam; with Artemisia frigida, Linaria dalmatica ssp. dalmatica, Cirsium sp., Hesperostipa comata, Bromus japonicus, Bouteloua gracilis. Phenology: flowering.
with C. Bern

U.S.A., Colorado, Huerfano County: Cuchara River, below La Veta.
with F. K. Vreeland

U.S.A., Colorado, Park County: Pike National Forest: Lake George.
South slope; dry, gravelly soil, open grassland. Phenology: flowering & fruiting.
Annotated by William A. Weber in 1991.
Richard T. Guthrie, 25-G. 5/25/1916.

U.S.A., Colorado, Saguache County: San Isabel National Forest: South Crestone Creek.
15% south slope, rocky, woodland. Phenology: flowering.
Annotated by William A. Weber in 1991.
1.
Annotated by S. F. Blake in 1991.

U.S.A., Colorado, Gunnison County: Gunnison National Forest: Parlin Flat.
5% west slope, sandy loam, roadside, with sagebrush. Phenology: flowering.
Annotated by Guy L. Nesom in 1984.
1.
Annotated by Charles Feddema in 1984.

U.S.A., Wyoming, Natrona County: Laramie Range: County Road 403, ca 0.2 to 1.2 air mi W of Twin Buttes.
Mudstone ridge towards buttes. Phenology: flowering & fruiting.
with Amy J. Roderick and Cherie Winner

U.S.A., Colorado, Kit Carson County:
T7S R44W S9 NE1/4
Grassland with Polygala and Penstemon. Phenology: flowering.

U.S.A., Colorado, Larimer County: Along U.S. Hwy 287, 25 mi N of Fort Collins.
Robert Merrill King, 10850. 6/1/1999.
with Robert M. Garvey

U.S.A., Colorado, Larimer County: Junction of Larimer County Roads 27 and 29.
Annotated by Ronald L. Hartman in 2001.
Robert Merril King, 10862. 6/4/1999.
with Robert M. Garvey

U.S.A., Colorado, Weld County:
Grassland, sandy loam. Annotated 1943-4 Phenology: flowering.

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: flowering & fruiting.
with Timothy W. Chumley

U.S.A., Colorado, Weld County:
Level pastures, sandy loam, with Bouteloua gracilis and Cryptantha spp. Phenology: flowering.
Annotated by S. F. Blake.
with Earl N. Jones

U.S.A., Colorado, San Miguel County: Little Gypsum Valley, N of Gypsum Gap.
Overgrazed adobe flat. 30-31 May. Phenology: flowering.
with Hans Beck

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: flowering & fruiting.
Annotated by B. A. Packer.

U.S.A., Colorado, Boulder County: Near Boulder.
Mesa. Annotated 1943-4. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Tunp Range: Gooseberry Spring and vicinity between Boulder and Rock Creek ridges, ca 25 air mi WNW of Kemmerer; ca 6 air mi NE of Sage Junction.
Clay sagebrush slopes below rimrock. Phenology: flowering & fruiting.
with Russ Nelson

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Tunp Range: Gooseberry Spring and vicinity between Boulder and Rock Creek ridges, ca 25 air mi WNW of Kemmerer; ca 6 air mi NE of Sage Junction.
Gently sloping clay sagebrush areas. Phenology: flowering & fruiting.
with Russ Nelson

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Tunp Range: North Fork Leeds Creek coming off Rock Creek Ridge, ca 11 air mi SSE of Cokeville; ca 26 air mi NW of Kemmerer.
Sagebrush slopes back of rimrock with scattered Amelanchier and Cercocarpus. Phenology: flowering.
with Russ Nelson

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Tunp Range: Big Hill, 0.5 air mi E of Cokeville.
Grassy hill with sagebrush slopes, limestone outcrops and eroded areas. Phenology: flowering.
with Bruce Embury

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Tunp Range: ca 17 air mi W of Kemmerer.
Breakes with sagebrush-grassland, scattered serviceberry and mountain mahogony; with barren shaley-clay and limestone outcrops. Phenology: flowering.
with Bruce Embury

U.S.A., Wyoming, Albany County: Laramie Range: Flat Top, ca 4 air mi WNW of Morton Pass.
Sandstone and shale on flank but mostly granitic boulder alluvial deposits. Phenology: flowering & fruiting.

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Boulder Ridge, 0.5-1 mi NE of Sage Junction (junction U.S. Hwy 30 and Wyo Hwy 89).
Sandy substrate with sagebrush slopes and cushion plant community on ridge. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Dempsey Ridge: east end of Nugget Canyon on ridge N of highway bridge over Twin Creek; ca 9 air mi E of Sage Junction.
Steep sandy slope with some areas more limey. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: ca 6 air mi N of Kemmerer.
Sagebrush slopes with serviceberry and coralberry and grassy flats. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie Range: ridge E of south end of Wheatland Reservoir No. 2, ca 7.5 air mi NW of Morton Pass.
Badlands on east side, sagebrush-grassland above. Phenology: flowering & fruiting.

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Oyster Ridge, ca 9 air mi N of Kemmerer.
Streamside and sandy slopes below, sandstone outcrops and sandy ridge above. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: S of Dry Creek or County Road 321, ca 7.4 air mi NW of junction with Wyo Hwy 220.
Sagebrush-grassland. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie Range: 1-2 air mi N of entrance to Roger Canyon.
Calcareous substrate. Phenology: flowering & fruiting.

U.S.A., Idaho, Teton County: Targhee National Forest: Big Hole Mountains: Horseshoe Creek just W of Forest boundary; ca 8 air mi W of Driggs.
T5N R44E S28; also S29
Slopes with mix of grass/forb communities with scattered patches of aspen, serviceberry, big sagebrush, and snowberry and grassy ridges.
with Stuart Markow

U.S.A., Idaho, Bonneville County: Targhee National Forest: Snake River Range: Palisades Creek, just E of entrance to National Forest, ca 2 air mi NE of Irwin.
Open slope, dominated by forbs and shrubs, mostly Purshia and bunchgrasses.
with B. E. Nelson and Michelle Nelson

U.S.A., Idaho, Bonneville County: Targhee National Forest: West Slope Snake River Range: Rainey Creek from entrance to National Forest to Corral Canyon, ca 3 air mi E of Swan Valley.
T2N R44E S26; also S27 and S34
Juniper/grassland, dominated by Juniperus scopulorum and bunchgrass, some riparian.

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.
Sagebrush slopes with granitic outcrops. Phenology: flowering.

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.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: northeast slope of North Table Mountain, ca 24.5 air mi NNE of Rock Springs.
Rocky slope. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: Rock Springs Uplift: sand hills and clay draws to Cedar Canyon, ca 3 air mi E of Killpecker Creek; ca 5 air mi SW of South Table Mountain; ca 20 air mi NNE of Rock Springs.
Sandy soil, sagebrush. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Sierra Madre: Oldman Hill, ca 2 air mi S of Encampment.
Open, dry hillside. Very few plants. Phenology: flowering.

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

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Salt River Range: "Star Hill" 1 air mi ENE of Afton center; north side of Swift Creek.
Mostly herb community with scattered juniper, some patches of Acer grandidentatum and Douglas fir and area along road; south exposure. Phenology: flowering.
with Bruce Embury

U.S.A., Wyoming, Lincoln County: [location and coordinates withheld]
Grassy hill with sagebrush slopes, limestone outcrops and eroded areas. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Tunp Range: ca 17 air mi W of Kemmerer.
Breakes with sagebrush-grassland, scattered serviceberry and mountain mahogony; with barren shaley-clay and limestone outcrops. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Tunp Range: Gooseberry Spring and vicinity between Boulder and Rock Creek ridges, ca 25 air mi WNW of Kemmerer; ca 6 air mi NE of Sage Junction.
Clay sagebrush slopes below rimrock. Phenology: flowering & fruiting.

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Tunp Range: Gooseberry Spring and vicinity between Boulder and Rock Creek ridges, ca 25 air mi WNW of Kemmerer; ca 6 air mi NE of Sage Junction.
Gently sloping clay sagebrush areas. Phenology: flowering & fruiting.

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Tunp Range: North Fork Leeds Creek coming off Rock Creek Ridge, ca 11 air mi SSE of Cokeville; ca 26 air mi NW of Kemmerer.
Sagebrush slopes back of rimrock with scattered Amelanchier and Cercocarpus. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: [location and coordinates withheld]
Sandy substrate with sagebrush slopes and cushion plant community on ridge. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Dempsey Ridge: east end of Nugget Canyon on ridge N of highway bridge over Twin Creek; ca 9 air mi E of Sage Junction.
Steep sandy slope with some areas more limey. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Salt River Range: ca 6 air mi N of Kemmerer.
Sagebrush slopes with serviceberry and coralberry and grassy flats. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Salt River Range: Oyster Ridge, ca 9 air mi N of Kemmerer.
Streamside and sandy slopes below, sandstone outcrops and sandy ridge above. Phenology: flowering & fruiting.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: along Left Hand Creek, ca 3 air mi SW of Dickie (LU Ranch); ca 38 air mi NW of Thermopolis.
Open limber pine-Douglas fir slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: ca 4 air mi SSW of Thermopolis above Red Canyon Creek.
Slopes and draws in Chugwater redbeds. Phenology: fruiting.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: along Cottonwood Creek, ca 7 air mi E of Squaw Teat Butte; ca 33 air mi WNW of Thermopolis.
Sagebrush grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Powder River Basin: ca 6 mi NE of Douglas, off Wyo Hwy 59.
In sandy clay of sagebrush-grassland with Allium, Plantago, and Lupinus. Common; flowers white. Phenology: flowering & fruiting.
with Linda Nelson

U.S.A., Wyoming, Park County: Bighorn Basin: ca 1.5 mi N of Silvertip Oil Field; ca 19 air mi NW of Powell.
Gullies and small washes in sagebrush-grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: North Platte River S of County Road 408, ca 0.3 air mi E of Pathfinder Dam; ca 9 air mi SW of Alcova townsite.
Sandy areas among granite rocks and Rocky Mountain juniper. Phenology: flowering.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: W of Dry Creek, ca 4.5 air mi ENE of Frannie, ca 12 air mi NW of Lovell.
Sandstone outcrops in bentonite badlands. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: Southwestern Absarokas: flats along Blackrock Creek near Blackrock Ranger Station, ca 8 air mi E of Moran, ca 31.3 air mi NE of Jackson.
Sagebrush bottom.
with Neil Snow

U.S.A., Wyoming, Park County: Bighorn Basin: along McCullough Peak Road above West Branch Whistle Creek, ca 2.5 air mi NE of McCullough Peak, ca 16.5 air mi S of Powell.
Sagebrush depressions on limestone rubble covered Bouteloua-Carex benchland. Phenology: flowering.
with Erik Nelson

U.S.A., Wyoming, Park County: Bighorn Basin: Big Sand Coulee drainage, 19.5 air mi NW of Powell, ca 5.5 air mi NE of Clark.
Elev. 4200
Roadside. Phenology: flowering.
with Erik Nelson

U.S.A., Wyoming, Big Horn County: Bighorn Basin: Fenton Pass and vicinity and Tatman Mountain, ca 12.5 air mi SW of Burlington, ca 26.5 air mi WSW of Basin.
Cobblestone sagebrush grassland slopes. Phenology: flowering & fruiting.
with Erik Nelson

U.S.A., Wyoming, Park County: Bighorn Basin: Polecat Bench, ca 7 air mi NNW of Powell.
Flats of the bench. Phenology: flowering & fruiting.

U.S.A., Wyoming, Washakie County: Bighorn Basin: Dry Cottonwood Creek just above Fifteenmile Creek, ca 20 air mi NW of Worland.
Clay flats in creek bottom. Phenology: flowering & fruiting.

U.S.A., Wyoming, Niobrara County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: ca 10.5 air mi S of Manville, ca 13.5 air mi SW of Lusk on Wyo Hwy 270.
In sandy clay in upland grassland with Penstemon albus, Agropyron pectiniforme. Frequent. Phenology: flowering & fruiting.
with Paul Ehrmann

U.S.A., Wyoming, Teton County: Mount Leidy Highland Area: Gray Hills: N of Gros Ventre River between Lightning and Dallas creeks, ca 1-1.5 air mi NW of west end of Upper Slide Lake, ca 22 air mi ENE of Jackson.
Ridgetop. Phenology: flowering & fruiting.

U.S.A., Wyoming, Johnson County: Powder River Basin: ca 19 air mi NNE of Linch, ca 28.5 air mi NE of Kaycee, above Big Willow Creek on Iragaray Ranch.
Occasional on west aspect of upland grassland in sandy clay with Carex and Artemisia pedafida.

U.S.A., Wyoming, Park County: Bighorn Basin: Squaw Teats, ca 15 air mi ESE of Meeteetse.
Sagebrush-grassland. Phenology: flowering.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: ca 5 air mi SE of Grass Creek; ca 25 air mi NW of Thermopolis.
Clay or sandy clay in sagebrush-grasslands. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Bighorn Basin: ca 5.5 air mi S of Worland on the Nowater Trail.
Sandy soil in sagebrush grassland. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Bighorn Basin: East Fork Nowater Creek on Nowater Trail, ca 7.5 air mi S of Worland.
Plains above the creek. Phenology: flowering & fruiting.

U.S.A., Wyoming, Washakie County: Bighorn Basin: Green Bug Reservoir, ca 7.5 air mi SW of Ten Sleep on Blue Bank Road.

U.S.A., Wyoming, Washakie County: Bighorn Basin: Big Cedar Ridge, ca 14 air mi SSW of Ten Sleep on Blue Bank Road.
Sagebrush slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Washakie County: Bighorn Basin: Denver Jake Reservoir and Little Denver Jake Draw, ca 14.5 air mi SE of Worland.
Around the reservoir. Phenology: flowering & fruiting.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: ca 0.8 mi S of Hamilton Dome; ca 19.5 air mi WNW of Thermopolis.
Sagebrush-grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: above Buffalo Creek on the road to Little Buffalo Basin, ca 5 air mi N of Dickie, ca 40 air mi NW of Thermopolis.
Interbedded sandstone and clay rough breaks. Phenology: flowering & fruiting.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: on the road to Grass Creek, ca 3 air mi N of Grass Creek, ca 40 air mi NW of Thermopolis.
Greasewood-sagebrush creek bottom. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Bighorn Basin: near the head of Spring Creek, ca 6 air mi S of Cody.
Upland sagebrush grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: [location and coordinates withheld]
Dry open rocky (Minnekahta limestone) fields with scattered ponderosa pine and Rocky Mountain juniper.
with Dennis Horning

U.S.A., Wyoming, Crook County: Black Hills: tributary to Road Creek off The Bank Land, Graham Ranch; ca 13 air mi W of Sundance.
Sagebrush grassland (Artemesia cana).

U.S.A., Wyoming, Crook County: [location and coordinates withheld]
Rocky slopes and ridgetops with scattered pines and junipers.

U.S.A., Wyoming, Weston County: Black Hills: W of Wyo Hwy 116 near junction with Arch Creek Road, ca 5 air mi NNE of Upton.
Sagebrush-grassland with occasional pines and junipers.

U.S.A., Wyoming, Weston County: [location and coordinates withheld]
On rocky soil with limestone slabs (Minnekahta Formation) in grassland.

U.S.A., Wyoming, Crook County: [location and coordinates withheld]
Sagebrush-grassland (Artemisia cana and A. tridentata).

Pine forest with many openings.

Grassland on rocky soil with slabby limestone outcrops.

U.S.A., Wyoming, Fremont County: Sweetwater Rocks: ca 3.5 air mi NNE of Jeffrey City.
Sagebrush slopes around granite boulders. Phenology: flowering & fruiting.
with Georgia Haines and Nora Little

U.S.A., Wyoming, Fremont County: Wind River Basin: Gas Hills Mining District: ca 4.2 air mi SSW of intersection of Gas Hills Road (Wyo Hwy 136) with Ore Road (main road through Gas Hills Mining District).

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).
Sagebrush grassland slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Wind River Basin: edge of Moneta Hills (badlands), ca 3 3/4 air mi NNE of Moneta.
Badland slopes. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Wind River Basin: E-K Creek, ca 7.5 air mi NNE of Arminto.
Sagebrush grassland on red soil. Phenology: flowering.
with Georgia Haines

U.S.A., Wyoming, Natrona County: South Fork Sand Creek, ca 7 1/4 air mi E of Lost Cabin.
Sagebrush grassland. Phenology: flowering.
with Georgia Haines

U.S.A., Wyoming, Natrona County: South Fork Sand Creek, ca 7 1/4 air mi E of Lost Cabin.
Sandy sagebrush grassland. Phenology: flowering.
with Georgia Haines

U.S.A., Wyoming, Fremont County: Flats, across U.S. Hwy 26 from Haines Farm, ca 9 mi W of Riverton on Wyo Hwy 26.
Sagebrush grassland and badland slopes and bottoms. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Wind River Basin: Poison Creek, W of Castle Gardens Road, ca 1 air mi SW of Moneta.
Sagebrush grassland. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Chalk Hills Draw: ca 10 air mi SE of Moneta on Castle Gardens Road.

U.S.A., Wyoming, Fremont County: Granite Mountain Uplift: Granite Mountains, Long Creek Mountain, ca 15.5 air mi NW of Jeffrey City.
Sagebrush grassland and rocky outcrops. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Sweetwater Rocks: Cranner Rock, ca 14 3/4 air mi ESE of Jeffrey City.
Sandy soil at base of granite outcrop. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Granite Mountain Uplift: top of Beaver Rim: Devils Gap, ca 7 air mi NNW of Sweetwater Station.
Sagebrush grassland south of gap. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Flats, across U.S. Hwy 26 from Paradise Valley Road, ca 6 air mi WNW of Riverton.
Sagebrush grassland and badland slopes and bottoms. Phenology: flowering & fruiting.

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.

U.S.A., Wyoming, Washakie County: Bighorn Basin: ca 6 air mi W of Ten Sleep.
Sandy slopes and ridge with sandstone outcrops, disturbed, or rocky north slope, shaley slopes, flats with greasewood along drainages; slopes. Phenology: flowering.
with Ronald L. Hartman

U.S.A., Wyoming, Hot Springs County: Owl Creek/Bridger Mountains: Bridger Mountains: ca 11 air mi E of Thermopolis.
Tilted beds of Chugwater sandstone, gypsum, sandy and rocky slopes, shaley slopes, rolling plains above with sagebrush; rocky slope. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 20 air mi SE of Reno Junction.
Gently rolling sagebrush plain, eroded slopes with coal outcrops and sand, scoria outcrops; plains. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: Junction of Buckman Road and Natrona County Road 114, ca 29 air mi NW of Casper.
Broad shaley loam ridge and drainages; ridge. Phenology: flowering.

U.S.A., Wyoming, Campbell County: [location and coordinates withheld]
Roadside, right-of-way, plains, and small creek, intermittent at this locale; plains. Phenology: flowering.

U.S.A., Wyoming, Converse County: [location and coordinates withheld]
Rolling plains, highway right-of-way; right-of-way - plains. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Powder River Basin: along Wyo Hwy 59, 4.7 mi N of Converse County.
Plains along right-of-way, ditch, open ground on road cut; plains. Phenology: flowering.

U.S.A., Wyoming, Campbell County: [location and coordinates withheld]
Plains, streambanks, drying mud behind holding dam; plains. Phenology: flowering.

U.S.A., Wyoming, Converse County: Powder River Basin: ca 14 air mi NE of Bill.
Plains, rocky crest; plains. Phenology: flowering & fruiting.
with Ronald L. Hartman and Mary Alice Sanguinetti.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 15.5 mi ESE of Reno Junction.
Sagebrush plains, ponderosa pine covered slopes, sandstone outcrops; plains. Phenology: flowering & fruiting.
with Ronald L. Hartman and Mary Alice Sanguinetti.

U.S.A., Wyoming, Campbell County: [location and coordinates withheld]
Floodplain, flats, eroded ridge and sagebrush plains east of creek; plains. Phenology: flowering & fruiting.
with Ronald L. Hartman and Mary Alice Sanguinetti.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 10 air mi NE of Soda Wells.
Waste area near road, rocky slopes of buttes, ponderosa pine woodlands, shaded ravines, sagebrush plains; slope. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: along Eightyfive Divide; ca 7 air mi S of Montana, 5 mi E of Hwy 59.
Rolling plains and sandstone outcrops; plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 7 air mi SSW of Gillette.
Open ground along road, sagebrush plains; plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: Fletcher Canyon.
Dissected plain and open canyon slopes; plains, slopes. Phenology: flowering & fruiting.

Heavily grazed plains and butte, eroded slopes, small holding pond; plains. Phenology: fruiting.

U.S.A., Wyoming, Converse County: [location and coordinates withheld]
Plains, sandstone outcrops, and hard sand along pipeline route; plains. Phenology: flowering & fruiting.
with Mary Alice Sanguinetti

U.S.A., Wyoming, Converse County: Powder River Basin: near Bozeman Trail Monument.
Plains. Phenology: fruiting.
with Mary Alice Sanguinetti

Roadside, plains, ridge; plains. Phenology: flowering & fruiting.
with Mary Alice Sanguinetti

Plains along road; plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 11 air mi NW of Weston.
Plains, marsh along holding pond, flats, gravel roadside; plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 10 road mi NNW of Gillette.
Rolling plains, sandstone uplift, outcrops, sandy ravines, highway right-of-way; plains. Phenology: fruiting.

Rolling plains, small draw; plains. Phenology: flowering & fruiting.

Plains, draw, eroded slopes; plains. Phenology: flowering & fruiting.

Plains and flats along creek, ditches; plains. Phenology: fruiting.

Sandy roadside buttes, loose talus slopes, outcrops, plains; rocky slopes. Phenology: fruiting.

Sandstone outcrop, plains; plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 4.5 air mi W of Pine Tree.
Dry plains, sandy roadcuts, depressions; plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 24 air mi SW of Gillette.
Plains, eroded slopes, draw; plains. Phenology: flowering & fruiting.

Plains, scoria topped butte, loose talus slopes; slopes. Phenology: fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: along Cottonwood Creek, ca 1.5 air mi NNE of Adon.
Eroded plain and flats along creek, gravel roadside; plains. Phenology: fruiting.

Scoria-topped hills and loose talus slopes, plains, roadside; ditch. Phenology: flowering & fruiting.

Rolling plains, sandy roadcut; plains. Phenology: fruiting.

U.S.A., Wyoming, Sheridan County: [location and coordinates withheld]
Rolling, sandy plains, sandstone outcrops, ponderosa pine on slopes; plains. Phenology: flowering.

U.S.A., Wyoming, Johnson County: [location and coordinates withheld]
Sandy, rolling plains, draws; plains. Phenology: flowering.

U.S.A., Wyoming, Johnson County: [location and coordinates withheld]
Greasewood flats along river. Phenology: flowering.

U.S.A., Wyoming, Johnson County: Powder River Basin: ca 7.5 air mi SE of Kaycee.
Sagebrush plain on clay, draws; plains. Phenology: flowering.

U.S.A., Wyoming, Johnson County: [location and coordinates withheld]
Stony plains, sandstone outcrops, rocky slopes, with scattered ponderosa pines; plains. Phenology: flowering.

U.S.A., Wyoming, Sheridan County: Powder River Basin: ca 8 air mi N of Leiter.
Rolling sagebrush plain, shallow draws; plains. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Powder River Basin: Willow Creek, ca 18 air mi SSW of Kaycee.
Shaley pine covered slopes above creek, sagebrush plain at summit of hills, sandy flats along creek, lower clay slopes; sagebrush plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Niobrara County: Powder River Basin: Indian Creek, ca 7 air mi NW of Whitman.
42.9234° N, 104.2415° W; NAD 83, uncertainty 1 mi., Nat. Geog. TOPO!
On sandy soil associated with gramma grass, plains, draws, meadow along creek; plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Johnson County: Powder River Basin: West side of Powder River, ca 0.5 mi S of I-90.
Breaks above river, clay slopes, ravines; plains along base of slopes. Phenology: flowering & fruiting.

Sagebrush plains, draws; plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Niobrara County: [location and coordinates withheld]
Sandy plain, sandstone butte with outcrops, rocky slopes; plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Powder River Basin: ca 12.5 air mi N of Casper.
Rolling sandy plain, sandstone outcrops; plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Powder River Basin: ca 24 air mi N of Natrona.
Gently rolling sagebrush plain on red sand (Chugwater Formation), small outcrops; plain. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Powder River Basin: Red Wall, ca 24 air mi N of Powder River.
Sandy plains and rocky slopes (Chugwater Formation) below the wall; plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Powder River Basin: Hells Half Acre, ca 5 air mi W of Powder River.
Bentonite badlands, slopes, drainages at bottom of slopes, sandy plains above; slopes. Phenology: fruiting.

U.S.A., Wyoming, Natrona County: [location and coordinates withheld]
Sandstone ridge, outcrops, rocky slopes, heavily grazed sagebrush plain; plain. Phenology: fruiting.

Sagebrush plain, saltbush flats, margins of soda lake; plains. Phenology: fruiting.

Sagebrush plains, wet draw, hills with clinker outcrops; plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Washakie County: Bighorn Basin: Spring Creek, ca 9 air mi SE of Ten Sleep.
Sagebrush plains surrounding creek, sandy floodplain along creek, hill slope; plains. Phenology: flowering.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: ca 2 air mi S of Hyattville.
Shaley slopes, flats along dry creekbed; flats. Phenology: flowering.

U.S.A., Wyoming, Big Horn County: Big Horn Mountains: mouth of Dry Medicine Lodge Canyon (S9 & S16) and ridge above Medicine Lodge Canyon, and along Dry Medicine Lodge Creek (S10 & S15).

U.S.A., Wyoming, Big Horn County: Bighorn Basin: NE edge of Cedar Mountain.
Limestone slabs, with scree slopes with juniper, sagebrush plains below; plains. Phenology: flowering.

U.S.A., Wyoming, Hot Springs County: Owl Creek/Bridger Mountains: Owl Creek Mountains: U.S. Hwy 20, ca 5 air mi S of Thermopolis.
North slope of mountains, limestone and sandstone outcrops, sagebrush plain on top, small drainages; plain. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Bighorn Basin: intersection of Wyo Hwy 434 and Spring Creek Road.
Disturbed plains along road. No elevation listed in field book.
with Keith H. Dueholm

U.S.A., Wyoming, Washakie County: Bighorn Basin: ca 1.5 air mi W of Ten Sleep.
44.0232° N, 107.4748° W; NAD 83, uncertainty 1 mi., Nat. Geog. TOPO!
Shaley ridge and eroded slopes with sparsely scattered Juniperus scopulorum. Phenology: flowering.
with Keith H. Dueholm

U.S.A., Wyoming, Washakie County: Bighorn Basin: North Butte, ca 10 air mi SW of Ten Sleep.
Shaley ridge and slopes with Artemisia, Atriplex, and Chrysothamnus. Phenology: flowering.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: Wyo Hwy 30, 6.6 mi W of Basin.
Plains with Atriplex gardneri. No elevation listed in field notebook. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Bighorn Basin: ca 8 air mi WSW of Worland near mile post 5 on Wyo Hwy 431.
Mostly sandy, some clayey, slopes with sagebrush dominating. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Rattlesnake Mountains: Burnt Wagon Draw and surrounding north slope of range.
Limber pine covered north slope with drainages and open slopes and flats. Phenology: flowering & fruiting.
with Gael Fonken

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. Phenology: flowering & fruiting.
with Gael Fonken

U.S.A., Wyoming, Fremont County: Castle Gardens, ca 17 air mi SSE of Moneta.
Sandstone outcrops, badlands, and sandy plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Southwest flank of Copper Mountain, ca 14 air mi NNE of Shoshoni.
South exposure; along road and rocky slopes; precambrian rocks. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Ca 3 air mi SSW of Big Sand Draw Oil and Gas Field.
Eroded slopes and ridges. Phenology: flowering & fruiting.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: 3-4 air mi N of Greybull.
Badlands with shale and red beds. Phenology: flowering.
with John Hamann

U.S.A., Wyoming, Park County: Bighorn Basin: Spring Creek, 2 air mi WNW of Meeteetse.
Sandstone outcrops and grassy ridge. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: South-central Transverse Ranges: Ferris Mountains: Sand Creek, ca 2 air mi SW of summit of Bear Mountain.
Along stream through sand dunes.

U.S.A., Wyoming, Crook County: Black Hills: Green Mountain, ca 3 air mi E of Sundance.
Plains with outcrops of Chugwater red beds, Pinus ponderosa covered mountain slopes and summit, and moist shaded limestone canyon; prairie.

U.S.A., Wyoming, Crook County: Powder River Basin: just E of U.S. Hwy 14 on Old Sundance Road, 4 air mi NE of Moorcroft.
Rolling sagebrush hills and moist drainages; sagebrush slopes.

U.S.A., Wyoming, Fremont County: Wind River Basin: ca 18 air mi S of Moneta.
Sandy ridge with sandstone outcrops and sagebrush covered slopes. Phenology: flowering.
with June Haines

U.S.A., Wyoming, Fremont County: Wind River Basin: Cottonwood Creek, 7 air mi NE of Lysite.
Sandy ridge, sandstone outcrops, eroded slopes and creek bottom; sandy ridges and eroded slopes. Phenology: flowering.
with June Haines

U.S.A., Wyoming, Fremont County: Wind River Basin: Burma Road, ca 5.8 air mi N of junction of U.S. 26 and Wyo Hwy 789 in Riverton.
Eroded slopes, sandstone outcrops, and drainage. Phenology: flowering.
with June Haines

U.S.A., Wyoming, Fremont County: Wind River Basin: Sheep Mountain, ca 11 air mi SE of junction U.S. 287 and Wyo Hwy 28.
West exposed slopes of mountain on sandstone and limestone; grassy ridges and draws with limber pine woodland at summit. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Wind River Basin: Sentinel Rocks, 2.5 air mi SE of Independence Rock.
Sandy sagebrush covered plains, granite mountains with massive boulders and moist seeps, aspen woodlands in drainages; sandy sagebrush covered plains. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Wind River Basin: Poison Spider Road, ca 14 air mi W of Poison Spider Oil Field.
Sandy slopes and ridge with sandstone outcrops. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Wind River Basin: Crooks Gap Road, 5 air mi SSW of Jeffrey City.
Rocky ridge and slopes. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Upper North Platte and Laramie River Drainages: Granite Mountains: Lankin Gap between Lankin Dome and McIntosh Peak, ca 3 air mi NW of Split Rock.
Sagebrush-grassland; sandy. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Wind River Basin: ca 10 air mi SW of Casper.
Frontier Formation, sandy soil with sagebrush and rabbit brush. Phenology: flowering.
with Greg Brown

U.S.A., Wyoming, Fremont County: : U.S. Hwy 287, 7.1 road mi NW of Dubois.
Roadcut. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: Mount Leidy Highland Area: Gray Hills: area immediately NE of Upper Slide Lake, in and adjacent to exclosure.
Sagebrush flats and slopes with patches of coralberry and areas of barren slope; sagebrush flats and slopes. Phenology: flowering.
with Walter Fertig

U.S.A., Wyoming, Teton County: Mount Leidy Highland Area: Gray Hills: ridge and adjacent area overlooking Slate Creek, ca 4.5 air mi NW of west end of Upper Slide Lake.
Douglas fir and Engelmann spruce forest, adjacent barren ridge, and slope below. Phenology: fruiting.

U.S.A., Wyoming, Teton County: Mount Leidy Highland Area: Gray Hills: ridge and adjacent area overlooking Slate Creek, ca 4.5 air mi NW of west end of Upper Slide Lake.
Douglas fir and Engelmann spruce forest, adjacent barren ridge, and slope below. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 5.5 mi N of Soda Wells.
Rolling hills dissected by stream; rocky slope. Phenology: flowering.
with Keith Dueholm

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 18 air mi SSE of Reno Junction.
Plains. Phenology: flowering.
with Keith Dueholm

U.S.A., Wyoming, Campbell County: Powder River Basin: Echeta Road, ca 2 air mi SE of Echeta.
Eroded slopes, flats, and river bottoms; ridge. Phenology: flowering.
with Keith Dueholm

U.S.A., Wyoming, Campbell County: Powder River Basin: Chicken Creek Divide, 2.5 mi N of Spotted Horse.
Ridge, slopes, badly eroded valleys, and plains; sandy plains. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 5 air miles NNE of Spotted Horse.
Dissected benchland with ponderosa pine covered and open slopes; open slope. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Powder River Basin: near the Powder River, ca 17 air mi NNW of Spotted Horse.
Eroded hills overlooking river; open slope. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Powder River Basin: White Tail Butte and ravines to the west and south.
Flats, ravines, steep eroded slopes, and butte; plains. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 18 air mi SE of Gillette.
Hill with grassy ridge and steep slopes, eroded slopes, and roadside; plains. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 7 air mi ESE of Gillette.
Stream with adjacent eroded hills and plains; plains. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 26 air mi SSE of Gillette.
Stream margin and adjacent flats. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Powder River Basin: along Porcupine Creek, ca 15 air mi SSE of Reno Junction.
Margins and adjacent sandy flats. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 3.5 air mi S of Reno Junction.
Sagebrush covered slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Powder River Basin: ca 12.5 air mi NE of Bill.
Flood plain. Phenology: flowering & fruiting.
with Keith Dueholm and Mary Alice Sanguinetti

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 15.5 air mi ESE of Reno Junction.
Eroded hills with ponderosa pine. Phenology: flowering & fruiting.
with Keith Dueholm and Mary Alice Sanguinetti

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 19 air mi NNE of Gillette.
Low eroded slopes and drainage. Phenology: flowering & fruiting.
with Keith Dueholm and Mary Alice Sanguinetti

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 11.5 air mi NNE of Weston.
Open slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 18 air mi WNW of Rockypoint.
Eroded hills with ponderosa pine. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: Eighty-five Divide, ca 11 air mi W of Rockypoint.
Hills with sandstone outcrops. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 9 air mi SW of Gillette.
Low hills with drainage and large shallow pond on flat. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: along Dead Horse Creek, ca 19 air mi WSW of Gillette.
Creek bottom and adjacent slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Johnson County: Powder River Basin: ca 4 air mi N of I-90 at the Powder River crossing.
Low hills and drainage. Phenology: flowering & fruiting.

U.S.A., Wyoming, Johnson County: Powder River Basin: ca 22 air mi NNE of Sussex.
Low hills and drainage. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: Pumpkin Buttes: North Middle Butte.
Top and upper slopes of butte. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 1 road mi W of Turnercrest.
Roadsides and grasslands. Phenology: flowering & fruiting.

U.S.A., Wyoming, Johnson County: Powder River Basin: Wyo Hwy 387, ca 3.5 road mi W of Campbell County.
Roadside with low hills. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: South-central Transverse Ranges: Green Mountains: road from Cottonwood Creek Campground, ca 0.4 mi N of junction with Wild Horse Overlook Road.
Roadside and adjacent marshy meadow and forest edge. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Washakie Basin: ca 4 air mi S of Powder Rim, ca 7.3 road mi N of Baggs on Wyo Hwy 789, then ca 46.2 road mi WSW on BLM roads; 0.9 mi E of Bitter Creek Road.
Sandstone outcrop on ridge and sandy slopes. Phenology: flowering.

U.S.A., Wyoming, Big Horn County: Big Horn Mountains: ca 11.5 air mi W of Tyrrell Ranger Station.
Redbeds. Phenology: flowering & fruiting.
with Ann Odasz

U.S.A., Wyoming, Natrona County: Oil field, ca 4.2 air mi N of Waltman.
Eroded shale slopes with sandstone outcrops and drainages. Phenology: fruiting.

U.S.A., Wyoming, Teton County: West Slope Wind River Range: adjacent to Forest Road 30410 and Cottonwood Creek, ca 26 air mi E of Jackson.
Sagebrush flat. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Goshen Hole: between Horse Creek and Table Mountain on Wyoming Game and Fish Table Mountain Wildlife Management Area, ca 4 air mi SSE of Huntley; ca 14 air mi S of Torrington.
41.88° N, 104.12° W; NAD 83, uncertainty 0.5 mi., Nat. Geog. TOPO!
Grasslands on sandy clay soils with marshes and playas. Phenology: flowering.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Goshen Hole: Little Red Bill Hill and vicinity, ca 5.5 air mi W of Yoder; ca 15.5 air mi SW of Torrington.
Short grass plains. Phenology: flowering.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Goshen Hole Rim: ca 13.5 air mi N of Chugwater; ca 12 air mi SE of Wheatland.
Rough breaks with conglomerates and cobblestones at upper levels and mudstones and soft sandstones below. Phenology: flowering.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: above Horse Creek just N of Laramie County, ca 12 air mi SW of La Grange; ca 36 air mi SSW of Torrington.
Shortgrass plains. Phenology: flowering.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along Horse Creek and adjacent plains W of County Road 191, ca 4 air mi S of La Grange; ca 34 air mi S of Torrington.
Mixed grass plains. Phenology: flowering.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Goshen Hole Rim: northwest end of Bear Mountain, ca 7 air mi SSW of Hawk Springs; ca 27 air mi SSW of Torrington.
Stabilized sand dunes on top of mesa. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: drainage leading to Middle Fork Casper Creek along Bucknum or County Road 125, ca 18.5 air mi NW of Casper.
Rolling plains of budsage or Gardner saltbush. Phenology: flowering & fruiting.

U.S.A., Wyoming, Laramie County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: plains S of head of West Kellehan Creek on Sorenson or County Road 156, ca 5.7 air mi WNW of Albin; ca 38 air mi NE of Cheyenne.
Rangeland subjected to "improvement". Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: W of Deer Creek or County Road 19, ca 2.5 air mi S of the North Platte River; ca 3.3 air mi SW of Glenrock.
Stony, sandy mixed grass slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along 55 Ranch or County Road 23, ca 5.8 air mi N of Glenrock or ca 5 air mi N of the North Platte River.
Rolling sandy plains of Artemisia cana-grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: [location and coordinates withheld]
Sparsely vegetated knoll and roadcut in rolling plains of sagebrush-grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Niobrara County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: at head of a branch of Garland Draw on Dixon or County Road 2 ca 2 air mi S of Weston County, ca 18.8 air mi WNW of Mule Creek Junction; ca 50.5 air mi NNW of Lusk.
Rolling plains with a mosaic of sagebrush-grassland and sedge-grassland and occasional sandstone outcrops. Phenology: flowering.

U.S.A., Wyoming, Weston County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Roxson Road ca 1/2-3/4 mi N of Weston County, ca 3.3 air mi WSW of Morisey; ca 28.5 air mi SW of Newcastle.
Sagebrush-grassland on rolling dissected plains below sandstone ridge. Phenology: flowering.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along Horseshoe or County Road 59 S of Horseshoe Creek, ca 6 air mi SW of Glendo; ca 27.5 air mi NNW of Wheatland.
Red bed slopes and draws covered with cobblestones. Phenology: flowering.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along Horseshoe or County Road 59 at Sand Draw S of Horseshoe Creek, ca 9.5 air mi SW of Glendo; ca 27.5 air mi NNW of Wheatland.
Coarse sand - fine gravel soil in sagebrush-grassland. Phenology: flowering.

U.S.A., Wyoming, Platte County: Laramie Mountains: along Harris Park or County Road 210 ca 1 air mi N of Cottonwood Creek, ca 2 air mi E of Albany County; ca 16 air mi SW of Glendo; ca 24 air mi NW of Wheatland.
A mosaic of sagebrush-grassland and ponderosa pine forest. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Notches or County Road 106 ca 1 air mi W of South Fork Powder River crossing, ca 4 air mi NNW of Powder River.; ca 38.5 air mi NW of Casper.
A mosaic of sagebrush-grassland. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: on Notches Dome ca 1 air mi S of Okie Draw, ca 12 air mi NE of Waltman; ca 44 air mi NW of Casper.
Grassy draws and gullies at the base of steep slopes. Phenology: flowering.

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.
Grassland and sagebrush-grassland below stony knoll. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: Emigrant Gap Ridge off Zero or County Road 202, ca 1 air mi W of Emigrant Gap on the Oregon Trail, ca 13 air mi W of Casper.
Sagebrush-grassland on shaley soil. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along the Oregon Trail on Oregon Trail or County Road 319, ca 1.5 air mi ENE of Ryan (Prospect) Hill, ca 27.8 air mi SW of Casper.
Sagebrush-grassland on coarse sandy-fine gravelly areas at the base of slopes. Phenology: flowering.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along County Road just S of the Laramie River, ca 3.5 air mi WSW of Fort Laramie; ca 22.3 air mi NW of Torrington.
42.193° N, 104.581° W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO!
Sandy plains at the base of cobblestone slopes in the river valley. Phenology: flowering.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: hills S of the Laramie River and SW of Grayrocks Reservoir, ca 8.8 air mi NE of Wheatland; ca 11.5 air mi SSW of Guernsey.
Steep cobblestone slopes. Phenology: flowering.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along Richeau or County Road 265 ca 2.5 air mi W of I-25, ca 8.3 air mi NW of Chugwater; ca 14 air mi S of Wheatland.
Mixed grass plains on shallow soil. Phenology: flowering.

U.S.A., Wyoming, Laramie County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: between County Road 215 and Union Pacific Railroad tracks, ca 2.3 air mi W of Hillsdale; ca 15.3 air mi NE of Cheyenne.
Sandy grassland flat. Phenology: flowering.

U.S.A., Wyoming, Laramie County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: ca 1 air mi N of Chivington Draw along County Road 226 ca 12.5 air mi N of Burns, ca 28 air mi NE of Cheyenne.
Sandy rolling grass plains with areas of shallow soil and exposed bedrock. Phenology: flowering & fruiting.

U.S.A., Wyoming, Laramie County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: between County Road 215 and Union Pacific Railroad tracks, ca 2.3 air mi W of Hillsdale; ca 15.3 air mi NE of Cheyenne.
Slopes near sandy shale outcrops and ledges. Phenology: flowering & fruiting.

U.S.A., Wyoming, Laramie County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: between Sprager and Middle creeks along County Road 139 ca 19 air mi NNW of Burns; ca 26.3 air mi NE of Cheyenne.
Slopes near sandy shale outcrops and ledges. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: S of the head of Hefflen Draw, ca 1.5 air mi ENE of the eastern three Buttes, ca 6.5 air mi SSE of Lingle; ca 7.3 air mi WSW of Torrington.
Shallow draws and open areas in mixed grass plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Cow Creek and the north end of Cow Creek Buttes, ca 15 air mi ENE of Bill; ca 43 air mi NE of Douglas.
Badlands of interspersed clays, shales, sandstones, coal beds, and mudstones with flat areas of grassland or sagebrush grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Lake Creek and the buttes to the SE ca 6 air mi SW of Dull Center; ca 45.5 air mi NNE of Douglas.
Sagebrush-cactus-grassland flats and gentle slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: near the end of Ormsby or County Road 705 ca 2.3 air mi W of Converse County on the divide between Sand Spring Creek and McKenzie Draw, ca 21 air mi NNE of Casper.
Sandy clay soil in a sagebrush-grassland mosaic. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: Emigrant Gap Ridge, ca 12 air mi W of Casper.
Sandstone outcrops and sandy slopes in sagebrush grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: Poison Spider Oil Field, ca 24 air mi W of Casper.
Sandy slopes and flats with sandstone outcrops in uplands with ponderosa pine. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: Blue Canyon at south end of Pine Mountain, ca 28 air mi WNW of Casper.
Sandstone outcrops and sandy slopes with areas of shale. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: ca 3 air mi SSE of Powder River and ca 1 air mi NW of Middle Fork Casper Creek crossing.
Sandy plains and white sandstone monuments. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: ca 3 air mi SSE of Powder River and ca 1 air mi NW of Middle Fork Casper Creek crossing.
Sandy plains and white sandstone monuments. Phenology: flowering.

Breaks and sandy plains and slopes in grassland with patches of sagebrush. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: Wyoming Game and Fish Access area along the North Platte River in vicinity of Carey, ca 10 air mi E of Glenrock.
River margin and sandy flats and slopes. Phenology: flowering & fruiting.

Sandy plains and road cut. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: ca 3 air mi E of Esterbrook.
Sandy slope and plains with grassland and occasional ponderosa pine. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: ca 14 air mi SSE of Esterbrook.
Sandy plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: ca 4 air mi SSE of Douglas.
Sandstone outcrop and sandy slope. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: [location and coordinates withheld]
Limestone outcrops and calcareous grasslands with juniper. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: [location and coordinates withheld]
Sandstone outcrops and sandy slopes; ponderosa pine and grasslands. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: ca 7.5 air mi W of Wheatland.
Short-grass prairie. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: Wyo Hwy 34, ca 4 air mi E of Albany County.
Sandy plains with short-grass prairie. Phenology: flowering.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: Wyo Hwy 34, ca 4 air mi E of Albany County.
Sandy plains with short-grass prairie. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: [location and coordinates withheld]
Calcareous slopes and sandy flats. Phenology: flowering & fruiting.

Alkaline depression and adjacent sandy rise. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: ca 1.2 air mi NNW of Waltman.
Sandy draw and slopes. Phenology: flowering & fruiting.
with T. W. Nelson

U.S.A., Wyoming, Albany County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: Wyo Hwy 34, ca 1.5 air mi W of Platte County.
Sandstone/metamorphic outcrops. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: ca 2 mi E of Slater on breaks.
Sandstone outcrops and sandy slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Laramie County: [location and coordinates withheld]
Limestone outcrops with mountain mahogany juxtaposed with degrading granites. Phenology: flowering & fruiting.

U.S.A., Wyoming, Laramie County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: ca 18 air mi SW of Chugwater.
Limy slopes and hill tops with badlands. Phenology: flowering & fruiting.

U.S.A., Colorado, Saguache County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Sawatch Mountains: along Round Hill Gulch, ca 2 air mi SSE of Poncha Pass; ca 21.5 air mi N of Saguache.
Stony sagebrush slopes and open ridgetop. Phenology: flowering.

U.S.A., Colorado, Costilla County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: San Luis Valley: U.S. Hwy 160, ca 5 road mi E of Fort Garland.
Large open valley with pinyon and Artemesia tridentata. Phenology: flowering.

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: junction of County Road 610 and I-25 at Exit 59 on Interstate right of way.
Prairie-grassland. Phenology: flowering.

U.S.A., Wyoming, Weston County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Grieves Road ca 1/2-3/4 air mi N of Lodgepole Creek Crossing, ca 7.5 air mi E of Hampshire; ca 28.5 air mi SW of Newcastle.
Borrow pit. Phenology: flowering.

U.S.A., Wyoming, Weston County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: above a draw leading into South Fork Lone Tree Creek, off Grieves Road, ca 20.5 air mi SW of Newcastle.
Rolling grassland plains with sandstone outcrops, buttes, and ridges. Phenology: flowering.

U.S.A., Wyoming, Weston County: Black Hills: Elk Mountains: at the South Dakota, ca 14 air mi SE of Newcastle.
Open woods and rocky meadows on the ridge top. Phenology: flowering.

U.S.A., Colorado, Saguache County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: San Luis Valley: San Isabel National Forest boundary: ca 0.5 mi on County Road LL-56 NW of Villa Grove.
Prairie. Phenology: flowering & fruiting.

Dry open rocky (Minnekahta limestone) fields with scattered ponderosa pine and Rocky Mountain juniper. Phenology: flowering & fruiting.
with Dennis Horning

U.S.A., Wyoming, Crook County: Black Hills: tributary to Road Creek off The Bank Land, Graham Ranch; ca 13 air mi W of Sundance.
Sagebrush grassland (Artemesia cana). ( ) From field notes. Phenology: flowering.

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: on County Road 630, ca 1.5 mi N of Colo Hwy 69; ca 1 mi E of Gardner.
By volcanic ridge with pinyon. Phenology: flowering.

Rocky slopes and ridgetops with scattered pines and junipers. ( ) From field notes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Inyan Kara Mountain (east half).
Grassy east-facing slope on outer mountain. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Black Hills: W of Wyo Hwy 116 near junction with Arch Creek Road, ca 5 air mi NNE of Upton.
Big sagebrush-grassland with occasional ponderosa pines and rocky mountain junipers. Phenology: flowering.

U.S.A., Wyoming, Weston County: [location and coordinates withheld]
On rocky soil with limestone slabs (Minnekahta Formation) in grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: [location and coordinates withheld]
On rocky soil with limestone slabs (Minnekahta Formation) in grassland. Phenology: flowering.

Sagebrush-grassland (Artemisia cana and A. tridentata). Phenology: flowering & fruiting.

Ponderosa pine forest with many openings. Phenology: flowering & fruiting.

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: County Road 520, 5.5 road mi S of Colo Hwy 69.
A small hill with pinyon-juniper. Phenology: flowering.

U.S.A., Wyoming, Weston County: Powder River Basin: ca 3 air mi SE of Rochelle.
Plains, sagebrush, and small draw, gullyside; plains, side of draw. Phenology: flowering.

U.S.A., Wyoming, Weston County: Powder River Basin: ca 22 air mi SSE of Newcastle.
Pine covered uplift, gravelly slopes, open, buffalo grass glades; glades. Phenology: flowering & fruiting.

Sandy plains, sandstone outcrops, draw; plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Green Mountain, ca 3 air mi E of Sundance.
Plains with outcrops of Chugwater red beds, Pinus ponderosa covered mountain slopes and summit, and moist shaded limestone canyon; prairie. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Powder River Basin: just E of U.S. Hwy 14 on Old Sundance Road, 4 air mi NE of Moorcroft.
Rolling sagebrush hills and moist drainages; sagebrush slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Black Hills: ca 4 air mi NW of summit of Inyan Kara Mountain.
Sagebrush slopes on red beds with moist drainage. Phenology: flowering.

U.S.A., Wyoming, Weston County: Powder River Basin: just N of Cheyenne River, ca 7 air mi SSE of Rochelle.
Hills. Phenology: flowering.

U.S.A., Wyoming, Crook County: Black Hills: along U.S. Hwy 14, ca 18.7 road mi W of Devils Tower junction.
Sagebrush steppe; with Artemisia, Opuntia, and Koeleria macrantha. Phenology: flowering.
with Gregory K. Brown and T. M. Evans

U.S.A., Wyoming, Weston County: Near Rattlesnake Ridge ca 22 air mi SSE of Newcastle.
In heavy stand of Artemisia tridentata; commom distribution. Phenology: flowering & fruiting.
Ronald G. Schreibeis, DT-20. 6/18/1976.

U.S.A., Wyoming, Laramie County: Table Mountain.

U.S.A., Wyoming, Albany County: Laramie Hills.
Common. Phenology: flowering & fruiting.

U.S.A., Wyoming, Big Horn County: Laramie Hills.

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

U.S.A., Wyoming, Goshen County: Pratt.
41.9997° N, 104.0639° W; NAD 27, uncertainty 3 mi., Nat. Geog. TOPO!
Sandy, gravelly ridges. Phenology: flowering & fruiting.

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountains: San Isabel National Forest boundary: N on Gardener Road or County Road 63.4, W of Walsenburg.
Pinus ponderosa. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: Fort Laramie.
Sandy bottoms. Phenology: flowering & fruiting.

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountains: San Isabel National Forest boundary: N on Gardener Road or County Road 63.4, W of Walsenburg.
Pinus ponderosa. Phenology: flowering.

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

U.S.A., Wyoming, Laramie County: Lodgepole Creek, ca 1 mi W of Pole Creek Reservoir, ca 5 mi NE of junction of I-25 and U.S. Hwy 85.
With Poa and Rosa; calcareous soils above creek bed. Phenology: flowering.

U.S.A., Wyoming, Goshen County: Table Mountain Wildlife Unit.

U.S.A., Wyoming, Laramie County: F. E. Warren Air Force Base: 1/4 mi N of Lake Pearson.
Grassland. Phenology: flowering.
with J. Von Loh

U.S.A., Wyoming, Laramie County: F. E. Warren Air Force Base: near Crow Creek, picnic area.
41.157° N, 104.874° W; NAD 83, uncertainty 700 ft., Nat. Geog. TOPO!
with J. Von Loh

U.S.A., Wyoming, Laramie County: Ca 8 mi NW of Midway; ca 6 mi N of U. S. Hwy 85.
with J. Von Loh

U.S.A., Wyoming, Laramie County: High Plains Grassland Research Station: 5 air mi NW of Cheyenne.
41.197° N, 104.9147° W; NAD 83, uncertainty 0.5 mi., Nat. Geog. TOPO!
Short-grass prairie. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: 3 mi S of Casper.
On dry grassy knoll. Phenology: flowering & fruiting.
George F. Freytag, 7. 5/2/1948.

U.S.A., Wyoming, Albany County: University of Wyoming campus.
Harold F. Eppson, s.n.. 7/6/1953.

U.S.A., Wyoming, Carbon County: Saratoga.
Mixed collection with E. nematophyllus Rydb. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Laramie, University of Wyoming campus.
Rather sandy open slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Laramie County: 7 mi W of Cheyenne and 1 mi N of U.S. Hwy 30.
Shortgrass prairie. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Laramie Range: 3 mi E of summit on U.S. Hwy 30.
Rolling prairie. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Laramie Range: 3 mi E of Summit on U.S. Hwy 30.
Rolling prairie. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Junction of Buckman Road and County Road 114; ca 29 air mi NW of Casper.
Broad shaley-loam ridge. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie Range: Pole Mountain District: Medicine Bow National Forest: W of Eagle Rock.
North-facing slope; open dry places in association with grassess, sagebrush, and paintbrush; top of the slope. Common. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Along U. S. Hwy 26, 5 mi W of Guernsey.
Roadside, and among siltstone outcrops in prairie; with Agropyron, Bromus, and Rhus trilobata. Phenology: flowering.
with Gregory K. Brown & Timothy M. Evans

U.S.A., Wyoming, Platte County: Guernsey.

U.S.A., Wyoming, Converse County: E of Douglas.
Rangeland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Niobrara County: Manville.

U.S.A., Wyoming, Natrona County: Great Divide Basin and Adjacent Regions: Split Rock, near the Split Rock Ranch.
Growing on and around the dry rocky soil and boulders. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: County Road 721, 2 mi from junction of County Road 61.
In areas of very sparse vegetation. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Centennial, off Wyo Hwy 130 on North Fork Homesite Road.
Herbs to 0.1 m. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: 3 mi S of Glenrock.
Open upland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: 20 mi S of Glendo on U.S. Hwy 26.
Open rangeland. Phenology: flowering & fruiting.
Robert Lavigne, s.n.. 6/8/1962.

U.S.A., Wyoming, Carbon County: Sierra Madre: Encampment River Canyon, ca 5.5 air mi S of Encampment.
Open rocky and sandy slope. Infrequent. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Sierra Madre: Encampment River Canyon, ca 2.5 air mi S of Encampment.
Open meadow. Very local. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Sierra Madre: Miner Creek, ca 2.5 air mi SSW of Encampment.
Dry sandy slope. Few plants. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie Mountains: ca 25 mi SW of Wheatland on Nueces Ranch (old Adam Boyd Ranch) along road to old William Boyd Ranch.
On open rocky hilltop. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Laramie Range: Nueces Ranch (old Adam Boyd Ranch); ca 25 mi SW of Wheatland.
Rocky hillside. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: Wyoming Game and Fish Department's Rawhide unit along the North Platte River, ca 3.3 air mi SE of Lingle, ca 6.8 air mi WNW of Torrington.
Dry sandy upland. Phenology: flowering & fruiting.
Steve Kilpatrick, RH128. 6/9/1982.
with J. L. Robinson

U.S.A., Wyoming, Carbon County: Along Wyo Hwy 487 at junction with road to Shirley Basin, 15.3 mi S of Natrona County.
Grassland. Phenology: flowering & fruiting.
with Jane P. Nelson

U.S.A., Wyoming, Laramie County: Campus of Laramie County Community College, SE of Cheyenne.
Short grass prairie. Phenology: flowering & fruiting.
William C. Edwards, 48. 6/6/1983.

U.S.A., Wyoming, Laramie County: Laramie Mountains: ca 22.5 air mi W of Cheyenne; ca 3.5 air mi NE of Buford.
Short grass and open ponderosa pine forest communities with several small streams. Phenology: flowering & fruiting.
William C. Edwards, 67. 6/19/1979.

U.S.A., Wyoming, Laramie County: Campus of Laramie County Community College, SE of Cheyenne.
Short grass prairie. Phenology: flowering & fruiting.
William C. Edwards, 87. 6/24/1983.

U.S.A., Montana, Carbon County: Bighorn Basin: Gypsum Creek and vicinity S of Helt or BLM Road 1016, ca 28.5 air mi SE of Bridger.
45.054° N, 108.464° W; uncertainty 1 mi., GPS reading
Stony sagebrush flats along and above the arroyo. Phenology: flowering.
Annotated by Ronald L. Hartman.

U.S.A., Colorado, Fremont County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: ca 1.5 mi E on Gulch or County Road 28, N of Westcliffe.
By a small spring; pinyon-juniper, lower end for ponderosa; riparian. Phenology: flowering.

U.S.A., Colorado, Las Animas County: [location and coordinates withheld]
At spring bed and along adjacent sandstone cliffs. Phenology: flowering & fruiting.
Annotated by Bernadette Kuhn.
with Darla Jackson, Lonnie Jackson

U.S.A., Colorado, Las Animas County: [location and coordinates withheld]
Along creek dominated by Scirpus and Eleocharis. Phenology: flowering & fruiting.
Annotated by Bernadette Kuhn.
with Darla Jackson, Lonnie Jackson

U.S.A., Colorado, Las Animas County: Comanche National Grassland: across road from llama farm, ca 6.5 air mi NW of Utleyville; ca 14.5 air mi WSW of Pritchett.
Shortgrass prairie dominated by Buchloë dactyloides and Aristida purpurea. Phenology: flowering & fruiting.
Annotated by Bernadette Kuhn.

U.S.A., Colorado, Fremont County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: off U.S. Hwy 50 between Texas Creek and Canon City; on Iron Mountain Road, ca 2 mi from Copper Gulch Road.
Open pinyon-juniper; meadow. Phenology: flowering.
with Kenneth Elliott

U.S.A., Colorado, Saguache County: [location and coordinates withheld]
Riparian and pinyon-juniper. Phenology: flowering.
with Kenneth Elliott

U.S.A., Colorado, Custer County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountain Valley: Froze Creek State Wildlife Trust Area.
Fine-grained soil; dominant species: grasses, Erigeron, and Erysimum. Phenology: flowering.
Annotated by Ronald L. Hartman in 2002.
1.
Annotated by Brian Elliott in 2002.
with Brian Jacobs and Alex Morgan

U.S.A., Colorado, Custer County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: ca 8.5 road mi on Oak Creek Grade Road from Colo Hwy 96.
Along dry stream bed and slopes; dry, sandy soil; dominant species: ponderosa, grasses, Castilleja, and Lupinus. Phenology: flowering.
with Brian Jacobs and Alex Morgan

U.S.A., Wyoming, Albany County: Laramie Plains: Antelope Creek, along County Road 316 (Sportsman Lake Road), ca 15 mi SSW of Laramie.
Red dirt pasture, soil lichens dominant. Phenology: flowering.
Annotated by Laura E. Lukas.
with Bernadette Kuhn

U.S.A., Wyoming, Albany County: Laramie Plains: Hutton Lake National Wildlife Refuge: County Road 34 (Sand Creek Road), ca 10 mi SW of Laramie, .
Upland plains with slate outcrops. Phenology: flowering.
with Bernadette Kuhn

U.S.A., Colorado, Fremont County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: ca 2.5 road mi on County Road 1 from County Road 28.
Dry, sandy soil; dominant species: pinyon and Chrysothamnus. Phenology: flowering & fruiting.
with Brian Jacobs and Alex Morgan

U.S.A., Wyoming, Carbon County: Saratoga Valley: Buck Springs Draw and Badger Creek area, ca 1.5 mi NE of intersection of County roads 504 and 209, near BLM Road 3417, ca 5 air mi E of Saratoga.
Patchy, sandy sagebrush plains; soil lichen common. Phenology: flowering.

U.S.A., Wyoming, Albany County: Centennial Valley: along County Road 416 (Dinwiddie Road), ca 2 air mi SE of Centennial, .
Dry plains. Phenology: flowering.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: Sheep Mountain, along saddle and then valley to west of saddle at head of Johns Canyon.
Rocky sides of steep valley. Phenology: flowering.

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.
Sagebrush. Phenology: flowering.

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.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: 3-3.5 mi ESE of Bennett Peak between North and South forks Corral Creek, ca 13 air mi ENE of Encampment and ca 19 air mi SE of Saratoga.

U.S.A., Colorado, Custer County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountain Valley: ca 2.4 road mi on Airport Road from Colo Hwy 69.
Along small stream and open fields; soil fine-grained to gravelly in texture; dominant species: Chrysothamnus. Phenology: flowering & fruiting.

U.S.A., Colorado, Chaffee County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: ca 0.7 road mi on County Road 212 from intersection with County Road 210.
By stream and adjacent slopes; dominant species: Artemisia, skunkbrush, pinyon, juniper, and aspen. Phenology: flowering & fruiting.

U.S.A., Colorado, Chaffee County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Sawatch Range: San Isabel National Forest: Mears Junction, ca 1 mi beyond Rainbow Trailhead.
Drainage plus two adjacent slopes; soil fine-grained with some granite chunks; ponderosa, dominant species: ponderosa, Douglas fir, aspen, and pinyon. Phenology: flowering & fruiting.

U.S.A., Colorado, Fremont County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Sangre de Cristo Range: San Isabel National Forest: ca 3.4 road mi on Forest 101 from U.S. Hwy 50.
Along small stream and slopes; dominant species: oak, Acer, Salix, and juniper. Phenology: flowering & fruiting.

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: ca 7 air mi E of La Veta.
Grasslands and pinyon pine and juniper. Phenology: flowering.
Annotated by Brian Elliott.
with Brian Elliott

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: County Road 340, ca 1 air mi S of Walsenburg (city center).
Grassland and pinyon-juniper woodlands. Phenology: flowering.
Annotated by Brian Elliott.
with Brian Elliott

U.S.A., Montana, Park County: Paradise Valley: in the Carbella Recreation Site on the Yellowstone River, ca 15 air mi NW of Gardiner.
In disturbed area around road and campground and undisturbed slope dominated by introduced grasses and native forbs. Phenology: flowering.

U.S.A., Colorado, Fremont County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Temple Canyon Road, ca 3.5 air mi SW of Canon City (city center).
Rocky slopes and grasslands. Phenology: flowering.
Annotated by Brian Elliott.

U.S.A., Colorado, Custer County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountain Valley: Oak Creek Grade Road (County Road 255), ca 5 road mi NE of Silvercliff.
Oak-pinyon and grassland. Phenology: flowering.
with Melanie Arnett, Charity Hall, Brian Jacobs, and Alex Morgan

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: southeast end of Wet Mountains, ca 13 air mi NW of Walsenburg.
Rocky ridges and grassy valley. Phenology: flowering & fruiting.
with Melanie Arnett, Charity Hall, Brian Jacobs, and Alex Morgan

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: ca 0.5-1 air mi ENE to NE of Gardner Butte.
Grassland with areas of pinyon pine. Phenology: flowering & fruiting.
with Melanie Arnett, Charity Hall, Brian Jacobs, and Alex Morgan

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: ca 2-3 air mi N of Gardner Butte.
Degraded grassland with pinyon pine on ridges. Phenology: flowering & fruiting.

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: County Road 634, ca 5-6 air mi NNW of Gardner Butte.
Grasslands and pinyon pine-juniper woodland. Phenology: flowering & fruiting.

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: NW of the intersection of County Road 555 and Colo Hwy 69 on southwest slope of Black Mountain, ca 6-7 air mi WNW to NW of Gardner Butte.
Pinyon-juniper slopes. Phenology: flowering & fruiting.

U.S.A., Colorado, Pueblo County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Colo Hwy 78, ca 5.5 air mi SW of Pueblo (city center).
Roadcut with calcareous substrate. Phenology: flowering & fruiting.

U.S.A., Colorado, Pueblo County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: abandoned rest area on I-25 near Muddy and Greenhorn creeks.
Grassland, weedy areas, and pinyon-oak-juniper. Phenology: flowering & fruiting.

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Sheep Mountain Overlook, ca 1.5 air mi NW of Badito on Colo Hwy 69.
Grassland and pinyon-juniper. Phenology: flowering & fruiting.

U.S.A., Colorado, Custer County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountain Valley: ca 0.2-0.5 air mi NE of Silver Cliff along County Road 255.
Grasslands. Phenology: flowering.

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: ca 3.5 air mi SW of Badito.
Grassland and pinyon-juniper. Phenology: flowering.

U.S.A., Montana, Carter County: Custer National Forest: Long Pines: on Exie Road (Forest Road 3119), above and along North Tie Creek, ca 10 air mi WNW of Camp Crook, SD.
Barren clay slopes with patches of vegetation and outwash flats below. Phenology: flowering & fruiting.
with Hans Hallman

U.S.A., South Dakota, Harding County: Custer National Forest: Slim Buttes: from the top down to Window Rock, ca 16-16.5 air mi E of Buffalo.
Grassy lower slopes with near barren clay patches. Phenology: flowering & fruiting.
with Hans Hallman

U.S.A., South Dakota, Harding County: Custer National Forest: Slim Buttes: ca 1 air mi W of SD Hwy 79 on JB Road (Forest Road 115) above Rabbit Creek at southwest end of Square Top Butte, ca 22 air mi SE of Buffalo.
Meadows above the draw. Phenology: flowering & fruiting.
with Hans Hallman

U.S.A., South Dakota, Harding County: Custer National Forest: South Cave Hills: N of Brown Johnson Road and Dry Creek, ca 13.5 air mi N of Buffalo.
Lower slope of the butte. Phenology: flowering & fruiting.

U.S.A., South Dakota, Harding County: Custer National Forest: Slim Buttes: just N of SD Hwy 20, ca 0.5-1 air mi W of Reva Gap, ca 17.5 air mi E of Buffalo.
Grass-dominated scoria hilltop. Phenology: flowering.

U.S.A., South Dakota, Harding County: East Short Pine Hills: ca 0.5 air mi N of Forest Road 3111, ca 6 air mi E of Harding.
Grasslands interspersed with badlands. Phenology: flowering.

U.S.A., South Dakota, Harding County: S of SD Hwy 20 ca 3.5 air mi ESE of Jumpoff Divide, ca 9.5 air mi W of Buffalo.
Grass-dominated open, rolling grazing land. Phenology: flowering.

U.S.A., Montana, Powder River County: S of U.S. Hwy 212 and E of Titus Creek, ca 22.5 air mi ESE of Ashland.
Grass-dominated grazing land interspersed with badlands. Phenology: flowering.

U.S.A., South Dakota, Harding County: Custer National Forest: East Short Pine Hills: along Forest Road 3111 ca 1 air mi NE of Moreau Peak, ca 19 air mi SE of Camp Crook.
Grass-dominated grazing land interspersed with chokecherry and green ash thickets. Phenology: flowering.

U.S.A., Montana, Carter County: Along Tie Creek Road ca 0.5 air mi S of Belltower Butte ca 24 air mi SSE of Ekalaka.
Ponderosa pine and green ash upland mixed with open, grass-dominated areas. Phenology: flowering.

U.S.A., South Dakota, Harding County: On the west side of The Jumpoff, ca 1 air mi E of County Road 897 and ca 3 air mi S of SD Hwy 20, ca 7.5 air mi ESE of Camp Crook.
Badlands with interspersed grass and sagebrush. Phenology: flowering & fruiting.

U.S.A., Colorado, Saguache County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Sangre de Cristo Range: North Rock Creek, ca 2.5 road mi E of Alder.
Oak woodlands intermixed with grassy slopes. Phenology: flowering & fruiting.

U.S.A., Montana, Powder River County: Ca 0.5 air mi W of Otter Creek Road, ca 0.5 air mi S of Custer National Forest boundary, ca 30 air mi SSE of Ashland.
Ponderosa pine and grass-dominated rolling woodland. Phenology: flowering.

U.S.A., South Dakota, Harding County: Custer National Forest: North Cave Hills: Icebox Canyon, ca 17 air mi N of Buffalo.
Grass-dominated meadow. Phenology: flowering.
Accession: USFS (unaccessioned)

U.S.A., Montana, Powder River County: E of Moorehead Road near the Powder River, ca 9 air mi SW of Broadus.
Grass and sagebrush-dominated grazing land interspersed with badlands. Phenology: flowering & fruiting.

U.S.A., Montana, Rosebud County: Custer National Forest: Ashland Ranger District: W of Forest Road 4794 in the vicinity of Horse Creek Buttes, ca 6 air mi SE of Poker Jim Butte, ca 23 air mi S of Ashland.
Grass and sagebrush-dominated grazed prairie with scattered, wet cattle wallows. Phenology: flowering & fruiting.

U.S.A., Montana, Valley County: On Little Beaver Road just inside BLM boundary, ca 1 air mi NE of January Reservoir, ca 8.5 air mi SW of Glasgow.
Rolling grassland-forbs on clay soil with gullies and drainages. Phenology: flowering.
with Joseph L. M. Charboneau

U.S.A., Montana, Valley County: On Little Beaver Road on ridge SW of Miller Coulee, ca 14.5 air mi SW of Glasgow.
Grassland with scattered sagebrush on clay slopes and ridge with gullies. Phenology: flowering.
with Joseph L. M. Charboneau

U.S.A., Montana, Valley County: On Bentonite Road near the junction with Ridge and Burnett Spur roads, ca 27.5 air mi WSW of Glasgow.
Ridge and slopes with large areas of crested wheatgrass and bentonite soil. Phenology: flowering.
with Joseph L. M. Charboneau

U.S.A., Montana, Valley County: BLM Recreation Area between Bentonite Road and Brazil Creek, ca 11 air mi WSW of Glasgow.

U.S.A., Montana, Valley County: Off of Theony Road at Lighthouse Hill BM and vicinity above Chambers and First coulees, ca 19 air mi W of Opheim.
Grassland with silver sagebrush. Phenology: flowering.

U.S.A., Montana, Phillips County: Edge of the breaks above Rotator Cup and Lark reservoirs, ca 54 air mi SW of Malta.
Rough breaks and adjacent sagebrush-grassland above. Phenology: flowering.

U.S.A., Montana, Valley County: On ridge between Lena Coulee and Cut Throat Coulee on the Timber Creek Trail, ca 41 air mi SW of Glasgow.
Clay and bentonite badlands with ponderosa pine. Phenology: flowering.

U.S.A., Montana, Valley County: W of Hinsdale North Road and head of Sheepherders Coulee, ca 10 air mi N of Hinsdale; ca 32 air mi NW of Glasgow.
Rocky slopes and flats in grassland with high ground cover of Selaginella. Phenology: flowering.

U.S.A., Montana, Valley County: Ridge W of Snake Creek and N of Hinsdale North Road, ca 27 air mi N of Hinsdale; ca 46.5 air mi NNW of Glasgow.
Stony grassland with scattered silver sagebrush and a high ground cover of Selaginella. Phenology: flowering.

U.S.A., Montana, Phillips County: Upper Missouri River Breaks National Monument: at the end of Winter Ridge Road above and W of Winter Creek, ca 15 air mi SW of Hays; ca 61 air mi SW of Malta.
Sagebrush-grassland. Phenology: flowering & fruiting.

U.S.A., Montana, Phillips County: Upper Missouri River Breaks National Monument: along Winter Ridge Road ca 2.5 air mi SW of Saskatchewan Butte, ca 60 air mi SW of Malta.
Sagebrush-grassland with stony knolls and shallow swales. Phenology: flowering & fruiting.

U.S.A., Montana, Phillips County: Along Harb Road in the head region of the "East Fork" Moss Coulee, ca 15.5 air mi SSW of Saco; ca 23.5 air mi ESE of Malta.
Sedge-grassland with fringed sage and scattered patches of silver sagebrush and stony knolls. Phenology: flowering & fruiting.

U.S.A., Montana, Valley County: On ridge between Duck Creek and Upper Eighth Coulee along Road 329, ca 1.5 air mi NW of Graveyard Hill, ca 26.5 mi SW of Fort Peck.
Sandy flats and sandy roadside. Phenology: flowering & fruiting.
Joseph L. M. Charboneau, 68. 6/15/2010.

U.S.A., Montana, Valley County: On Britsch Road, ca 3 air mi SSW of Ada Reservoir, ca 12 air mi NE of Hinsdale.
Gravelly roadside ditch in otherwise clay soil. Phenology: flowering.
Joseph L. M. Charboneau, 145. 6/21/2010.

U.S.A., Montana, Valley County: On Larb Creek Road, ca 3 air mi N of Dead Mans Hill, ca 18.5 air mi SSW of Hinsdale.
Grasslands with mostly loamy to sandy soil, occasional clay soil. Phenology: flowering.
Joseph L. M. Charboneau, 217. 6/21/2010.

U.S.A., Montana, Valley County: Just off Larb Creek Road along Harb Road in Hadly Coulee, ca 3 air mi NNW of Spencer Point, ca 12 air mi SW of Hinsdale.
Hills with sagebrush-grasslands on loamy soil. Phenology: flowering.

U.S.A., Colorado, Pueblo County: [location and coordinates withheld]
Annotated by Ronald L. Hartman.

U.S.A., Montana, Valley County: On Ridge Road, on ridge above Tony Coulee, ca 2.5 air mi SW of Finn Reservoir, ca 36 air mi SW of Glasgow.
Sandy sagebrush-grasslands. Phenology: flowering.

U.S.A., Montana, Phillips County: Off of Sunnyslope Road, ca 2 air mi N of Woody Island Coulee, ca 13 air mi ENE of Turner; ca 40 air mi NNW of Malta.
Rolling grasslands with occasional sagebrush on loamy to sandy soil. Phenology: flowering.

U.S.A., Montana, Phillips County: On Black Coulee Road, in Coburg Coulee and ridge to the W, ca 4 air mi WSW of Haystack Butte, ca 12 air mi SE of Turner; ca 31 air mi NW of Malta.
Clay hillsides at top of ridge. Phenology: flowering.

U.S.A., Montana, Phillips County: Matador Ranch: on Dry Fork Road, on top of Dry Fork Ridge, ca 2.5 air mi N of Wrangler Reservoir, ca 16.5 air mi ESE of Zortman.
Sagebrush-grasslands on rolling hills with clay soil. Phenology: flowering.

U.S.A., Montana, Phillips County: Off of Regina Road, on ridge overlooking Flat Creek and The Big Sag, ca 4 air mi SSW of Whitcomb Lake, ca 30 air mi S of Malta.
Sagebrush-grasslands on stony clay soil with hills and swales. Phenology: flowering.

U.S.A., Montana, Phillips County: On North Frenchman Road, on ridge above Steelman Coulee, ca 8.5 air mi NE of Gray Reservoir, ca 37.5 air mi N of Saco; ca 51 air mi NNE of Malta.
Grasslands on loamy soil. Phenology: flowering.

U.S.A., Colorado, Las Animas County: [location and coordinates withheld]
West of interstate to the top of low ridges in pinyon-juniper woodlands. Phenology: flowering.
Annotated by Ronald L. Hartman.

U.S.A., Montana, Phillips County: On Border Road, in the vicinity of a natural gas pipeline compression station, ca 1/4 air mi W of Whitewater Reservoir, ca 6 air mi NNW of Whitewater; ca 28 air mi NNE of Malta.
Grasslands on loamy soil. Phenology: flowering & fruiting.

U.S.A., Montana, Valley County: Larb Hills (North): W of South Bench Road, Tank Coulee and ridge above it, ca 4 air mi ENE of Ashford Spring, ca 2 air mi SSW of Hinsdale; 25 air mi NW of Glasgow.
Sagebrush-grasslands on loamy to sandy soil. Phenology: flowering & fruiting.

U.S.A., Montana, Valley County: W of U.S. Hwy 2 in Mooney Coulee, ca 5 air mi SSE of Cornwell Reservoir, ca 8 air mi NNW of Glasgow.
Grasslands on sandy soil with hillsides. Phenology: fruiting.

U.S.A., Montana, Phillips County: E of Harb Road, in Guston Coulee and on ridge to the N, ca 4.5 air mi SW of Regal Springs, ca 17 air mi ESE of Malta.
Sagebrush-grasslands on loamy soil. Phenology: flowering & fruiting.

U.S.A., Montana, Phillips County: S of Content Road on ridge E of Horse Pasture Coulee, ca 3.5 air mi SW of Black Cow Reservoir, ca 22.5 air mi SSE of Malta.
Sagebrush-grasslands on clayey to loamy soil with many rocks. Phenology: flowering & fruiting.

U.S.A., Montana, Valley County: W of Larb Creek Road, in Black Coulee and ridge to the N, ca 3 air mi NW of Korman Reservoir, ca 36 air mi WSW of Glasgow.
Sagebrush-grasslands on clayey soil. Phenology: flowering & fruiting.

U.S.A., Montana, Valley County: N of Willow Creek Road, in unnamed tributary of Barber Coulee and ridge to the W, ca 1.5 air mi SE of Wagner Spring, ca 36 air mi SW of Glasgow.
Sagebrush-grasslands on clayey soil. Phenology: flowering & fruiting.

U.S.A., Montana, Valley County: E of Rock Creek Trail in hills W of Deep Creek, ca 1 air mi SE of Antelope Pass, ca 26 air mi NNE of Hinsdale; ca 42 air mi NNW of Glasgow.
Grassland hills on clay soil. Phenology: flowering & fruiting.

U.S.A., Montana, Phillips County: N of Montana Youth Ranch Road, in Clark Coulee, ca 2 air mi SSW of Hanson Reservoir, ca 18 air mi NNW of Saco; ca 27 air mi NNE of Malta.
Grasslands on sandy to loamy soil. Phenology: flowering & fruiting.

U.S.A., Montana, Valley County: Just N of Rock Creek Dam Road, ca 0.5 air mi W of Rock Creek, ca 5.5 air mi NNE of Hinsdale.
Grasslands with hillslopes on loamy soil. Phenology: flowering & fruiting.

U.S.A., Montana, Phillips County: W of U.S. Hwy 191 in Black Coulee, ca 1 air mi NE of West Alkali Reservoir, ca 14.5 air mi SW of Malta.
Grasslands on sandy soil. Phenology: flowering & fruiting.

U.S.A., Montana, Phillips County: Upper Missouri River Breaks National Monument: on Antelope Ridge and in East Fork Hideaway Coulee, ca 4 air mi NNE of Grand Island, ca 17 air mi SW of Zortman; ca 61 air mi SW of Malta.
Sagebrush-grassland flats and upper hillslopes. Phenology: flowering & fruiting.

U.S.A., Montana, Valley County: E of Ridge Road around Craig Reservoir, ca 2.5 air mi W of Clover Reservoir, ca 32 air mi WSW of Glasgow.
Grasslands with sagebrush on clay soil. Phenology: flowering & fruiting.

U.S.A., Montana, Valley County: E of Skyview Ridge Road, ca 2.5 air mi E of Horace Reservoir, ca 21.5 air mi NNW of Glasgow.
Sagebrush-grasslands on clay soil. Phenology: flowering & fruiting.

U.S.A., Montana, Blaine County: W of Mont Hwy 241, ca 2 air mi SSW of the Turner Port of Entry, ca 10.5 air mi NW of Turner; ca 33 air mi NNE of Harlem.
Grasslands on glaciated hills of clay soil with dry potholes. Phenology: flowering & fruiting.

U.S.A., Montana, Valley County: Burnt Lodge Wilderness Study Area: Larb Hills (South): Plum Coulee on Plum Creek Trail, ca 3 air mi SSE of Castle Butte, ca 46 air mi SW of Glasgow.
Sagebrush-grasslands on clay soil. Phenology: flowering & fruiting.

Pinyon-juniper. Phenology: flowering.
with Elizabeth Mark

U.S.A., Nebraska, Sheridan County: Metcalf Public Hunting Grounds, 13 mi N of Hay Springs.
Open ridges and Pinus ponderosa forest; ridge. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie Plains: Bamforth National Wildlife Refuge: ca 7 air mi NW of Laramie.
Greasewood/grassland uplands; alkali flats. White flowers. Phenology: flowering.

U.S.A., Colorado, Fremont County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: ca 0.5 mi SE of junction of U.S. Hwy 50 and 3 Road at Parkdale, W of Pueblo.
Pinyon-juniper. Phenology: flowering.
with Elizabeth Mark

U.S.A., Colorado, Huerfano County: [location and coordinates withheld]
Pinyon-juniper/grassland transition. Phenology: flowering.
with Elizabeth Mark

U.S.A., Colorado, Saguache County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Sangre de Cristo Range: Rio Grande National Forest: Rio Alto Creek Trailhead, ca 6 air mi N of Crestone.
Picea pungens and Populus tremuloides. Phenology: flowering.

U.S.A., Colorado, Costilla County: [location and coordinates withheld]
In the hills above the valley in pinyon-juniper. Phenology: flowering & fruiting.

U.S.A., Colorado, Costilla County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: San Luis Valley: east side of Sanchez Reservoir from the dam to ca 0.5 mi S, S of San Luis.
Lakeside with Artemesia tridentata. Phenology: flowering.

U.S.A., Colorado, Costilla County: [location and coordinates withheld]
Artemisia tridentada/pinyon-juniper. Phenology: flowering.

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: W of Castle Rock Reservoir, ca 2 air mi S of Walsenburg on County Road 330.
Bouteloua grassland. Phenology: flowering.

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountains: ca 1.5 mi W of Badito Cone, ca 6 air mi E of Gardner.
Pinyon-juniper. Phenology: flowering.
with Elizabeth Mark and Kenneth Elliott

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: junction of Colo Hwy 69 and County Road 570, ca 5 air mi W of Gardner.
Pinyon-juniper woodland. Phenology: flowering.
with Elizabeth Mark and Kenneth Elliott

U.S.A., Colorado, Custer County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountains: ca 2 mi N of Colo Hwy 96 on County Road 271, ca 5.5 air mi W of McKenzie Junction (junction of Colo hwys 165 & 96); ca 8 air mi NE of Silver Cliff.
Pinus ponderosa and riparian areas. Phenology: flowering.
with Elizabeth Mark and Kenneth Elliott

U.S.A., Colorado, Saguache County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: San Luis Valley: E of Colo Hwy 150, ca 1.5 air mi S of Great Sand Dunes National Monument.
Grassland and pinyon-juniper. Phenology: flowering.

U.S.A., Colorado, Saguache County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Sangre de Cristo Range: on Forest Road 990, ca 2 air mi E of Poncha Pass on U.S. Hwy 285, ca 1/2 mi W of Rio Grande National Forest.
Pinus ponderosa, P. edulis, Pseudotsuga menziesii, Populus tremuloides, and Artemisia tridentata. Phenology: flowering.

U.S.A., Colorado, Saguache County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: from ca 1 mi E of Alder E to Decker Creek at the forest border.
Riparian with Artemisia tridentata and stands of Quercus gambellii. Phenology: flowering.

U.S.A., Montana, Phillips County: Upper Missouri River Breaks National Monument: along Bull Creek Road just W of the boundary, ca 3.5 air mi WNW of DY Junction, ca 54 air mi SW of Malta.
Sagebrush-grassland on dark clay soil. Phenology: flowering.

U.S.A., Montana, Phillips County: Along Hog Farm Road just E of Big Warm Creek, ca 1 air mi SE of Ester Lake, ca 25 air mi SW of Malta.
Plains grassland with small disturbed areas. Phenology: flowering.

U.S.A., Montana, Valley County: Along Roosevelt Trail ca 0.5 mi E of Porcupine Creek and Fort Peck Indian Reservation, ca 5 air mi N of Nashua.
Rolling terrain below and slope of rim with meadows, bare areas, drainage channels, with clay soil, and cobblestone covered areas. Phenology: flowering.

U.S.A., Montana, Valley County: Along Shipp Road above Cherry Creek (S and E), ca 2.5 air mi W of Mont Hwy 24, ca 13 air mi N of Glasgow.
Rolling terrain below and slope of rim with meadows, bare areas, drainage channels, with clay soil, and cobblestone covered areas. Phenology: flowering.

U.S.A., Montana, Valley County: Larb Hills (North): along South Bench Road, E of Tank Coulee, ca 1-1.5 air mi S of Hinsdale.
Grassland with silver sagebrush above the rough breaks. Phenology: flowering.

U.S.A., Montana, Valley County: E of the Milk River in Chapman Coulee just above Riverside Drive and Faraasen Park, ca 7 air mi NW of Glasgow.
Cobblestone slopes and ridges. Phenology: flowering.

U.S.A., Montana, Valley County: Along Bentonite Road, ca 1.5 air mi W of Mahan and Hoyt Reservoir, ca 7 air mi W of Glasgow.
Plains grassland with draws. Phenology: flowering.

U.S.A., Montana, Valley County: Along Willow Creek Road above and E of Barber Coulee, ca 36 air mi SW of Glasgow.
Grasslands with scattered sagebrush below the butte. Phenology: flowering.

U.S.A., Montana, Valley County: Along Harper Ridge Road above and N of Carpenter Creek at the north boundary of Charles M. Russell National Wildlife Refuge, ca 40 air mi SW of Glasgow.
Clay or sandy clay slopes in rough breaks capped with sandstone. Phenology: flowering.

U.S.A., Montana, Phillips County: Along Stage Road (Mont Hwy 204) ca 1/2-3/4 mi N of Wild Horse Creek, ca 16 air mi S of Dodson; ca 23 air mi SW of Malta.
Badlands with gravel to cobblestone size rocks, with drainage channels, bentonite boils, grassy patches, and grassland on the flats above. Phenology: flowering.

U.S.A., Montana, Phillips County: Along Alkali Road, ca 1.5 air mi E of Stage Road (Mont Hwy 204), and 1-1.5 air mi N of North Fork Mud Creek, ca 9 air mi S of Dodson, ca 17 air mi WSW of Malta
Plains grasslands with vernal depressions. Phenology: flowering.

U.S.A., Montana, Phillips County: Along and above "Middle Fork" Exeter Creek, ca 9 air mi ENE of Dodson; ca 10 air mi WNW of Malta.
Plains grassland and slopes and swales leading to the creek. Phenology: flowering.

U.S.A., Montana, Valley County: Ridge between Burnett Creek and Collins Creek E of Rock Creek Road, ca 19 air mi NNE of Hinsdale.
Rolling plains grassland with stony soil and swales. Phenology: flowering.

U.S.A., Montana, Valley County: Along Rock Creek Road at the south edge of Rock Creek Flats, ca 5 air mi S of Thoeny; ca 24 air mi W of Opheim.
Plains grassland with scattered silver sagebrush on stony soil. Phenology: flowering.

U.S.A., Montana, Valley County: At the end of the Montfort Road 2.5-3 air mi S of Vandalia; ca 10 air mi SE of Hinsdale.
Swale and adjacent slopes. Phenology: flowering.

U.S.A., Montana, Phillips County: Hills E of Chapman above Woody Island Coulee, ca 38 air mi NNW of Malta.
Stony bluffs, flats above, and swales. Phenology: flowering.

U.S.A., Montana, Valley County: N of Willow Creek Road, near Mud Creek, ca 3 air mi SSE of Jack Rabbit Reservoir, ca 10.5 air mi WNW of Fort Peck; ca 12 air mi S of Glasgow.
Hilltops and ridges. Phenology: flowering.

U.S.A., Montana, Phillips County: E of Content Road, E of Sun Prairie Flats, ca 5 air mi WSW of Buckley Lake, ca 42 air mi E of Zortman; ca 33 air mi SSE of Malta.
Sagebrush-grasslands on stony clay soil. Phenology: flowering.

U.S.A., Montana, Phillips County: E of Content Road, ca 2 air mi SW of Tallow Creek, ca 44 air mi E of Zortman; ca 30 air mi SSE of Malta.
Sagebrush-grasslands on stony clay soil. Phenology: flowering.

U.S.A., Montana, Phillips County: E of Beaver Creek, ca 4.5 air mi E of Black Cow Reservoir, ca 49 air mi ENE of Zortman; ca 31 air mi SSE of Malta.
Sagebrush-grasslands on loamy soil. Phenology: flowering.

U.S.A., Montana, Phillips County: Miller Coulee and ridge to the N, ca 1 air mi N of Black Cow Reservoir, ca 44 air mi ENE of Zortman; ca 22 air mi SSE of Malta.
Big sagebrush-grasslands on stony clay soil. Phenology: flowering.

U.S.A., Montana, Phillips County: N of Mont Hwy 208, hills between Lush Coulee and Martins Coulee, ca 3 air mi SW of Austin Lake, ca 6.5 air mi SSW of Whitewater; ca 24.5 air mi NNE of Malta.
Grasslands with scattered silver sagebrush on clay soil. Phenology: flowering.

U.S.A., Montana, Phillips County: E of Mont Hwy 208, ca 0.5 air mi N of Austin Lake, ca 2.5 air mi SSW of Whitewater; ca 28 air mi NNE of Malta.
Grasslands with spikemoss. Phenology: flowering.

U.S.A., Montana, Phillips County: W of Midale Road, flats E of Fourchette Creek, ca 4 air mi NE of Ulrich Reservoir, ca 27 air mi ESE of Zortman; ca 43 air mi SSW of Malta.
Big sagebrush-grasslands on clay soil. Phenology: flowering.

U.S.A., Montana, Phillips County: N of Blount Cut Across, ca 8.5 air mi W of First Creek Reservoir, ca 27 air mi ESE of Zortman; ca 42.5 air mi SSW of Malta.
Grasslands with fringed sage and spikemoss on clay soil. Phenology: flowering.

U.S.A., Montana, Phillips County: Hills W of Camp Creek, N of Dry Fork Road, ca 2.5 air mi NNE of Big Sage Reservoir, ca 9 air mi SE of Zortman; ca 48 air mi SSW of Malta.
Big sagebrush-grasslands on clay soil. Phenology: flowering.

U.S.A., Montana, Phillips County: W of Midale Road, ca 4.5 air mi NNE of Veseth Reservoir, ca 28.5 air mi ENE of Zortman; ca 28 air mi SSW of Malta.
Grasslands with fringed sage, spikemoss, and scattered silver sagebrush. Phenology: flowering.

U.S.A., Montana, Phillips County: Button Butte Coulee, W of Rudolph Valley Road, ca 5 air mi WNW of Button Butte, ca 29 air mi NW of Zortman; ca 26 air mi SSW of Malta.
Grasslands with fringed sage and spikemoss. Phenology: flowering.

U.S.A., Montana, Phillips County: Davidson Coulee, S of Alkali Road, ca 6 air mi NNW of West Alkali Reservoir, ca 9.5 air mi SW of Dodson; ca 13 air mi WSW of Malta.
Grasslands with scattered sagebrush on loamy soil. Phenology: flowering.

U.S.A., Montana, Valley County: Windy Ridge and Papoose Creek, ca 1 air mi SSW of Erie Reservoir, ca 15 air mi N of Hinsdale; ca 36 air mi NW of Glasgow.
Grasslands with occasional silver sagebrush on loamy soil. Phenology: flowering.

U.S.A., Montana, Phillips County: Ridge W of Frenchman Creek, N of Frenchman Road, ca 1/4 air mi SW of Frenchman Reservoir, ca 22.5 air mi NNW of Hinsdale; ca 45 air mi NW of Glasgow.
Grasslands on loamy soil with cobbles on hilltops. Phenology: flowering.

U.S.A., Montana, Valley County: Charles M. Russell National Wildlife Refuge: Sixth Ridge, ca 9 air mi SSE of Pines Reservoir, ca 25 air mi SW of Fort Peck; ca 26.5 air mi S of Glasgow.
Ponderosa pine-juniper woodland with openings on clay soil. Phenology: flowering.
with Alice Sawyer

U.S.A., Montana, Phillips County: American Prairie Reserve: Dry Fork Ridge, S of West Fork Dry Fork Creek, ca 3.5 air mi ENE Wrangler Reservoir, ca 29 air mi ESE of Zortman; ca 43 air mi SSW of Malta.
Grasslands with big sagebrush on clay flats. Phenology: flowering.

U.S.A., Montana, Phillips County: Charles M. Russell National Wildlife Refuge: hills N of outlet of Fourchette Creek into Fourchette Bay, E of Refuge Road 858, ca 3 air mi NNE of Fowler Reservoir, ca 39 air mi ESE of Zortman; ca 47 air mi SSE of Malta.
Grasslands with sagebrush on loamy to sandy hillsides. Phenology: flowering.

U.S.A., Montana, Phillips County: American Prairie Reserve: Box Elder Creek and hills above, ca 4 air mi E of Indian Lake, ca 38.5 air mi ESE of Zortman; ca 44 air mi SSE of Malta.
Big sagebrush-grasslands on loamy soil. Phenology: flowering.
with Mark Majerus, Michael Dolan, Noorjahan Parwana, Katie Butts, and Mary Frieze

U.S.A., Montana, Phillips County: American Prairie Reserve: W of Reynolds Hill Road, ca 4.5 air mi W of Square Butte, ca 40.5 air mi ESE of Zortman; ca 42 air mi SSE of Malta.
Big sagebrush-grasslands on rolling hills of loamy soil. Phenology: flowering.
with Mark Majerus, Michael Dolan, Noorjahan Parwana, and Katie Butts

U.S.A., Montana, Phillips County: Charles M. Russell National Wildlife Refuge: unnamed butte S of Refuge Road 844, ca 1.5 air mi NW of Schuyler Butte, ca 45.5 air mi ESE of Zortman; ca 48.5 air mi SSE of Malta.
Sagebrush-greasewood steppe on rolling silty soil with large patches of yellow sweetclover. Phenology: flowering.

U.S.A., Montana, Phillips County: Charles M. Russell National Wildlife Refuge: CK Ridge, W of Refuge Road 206, ca 10 air mi ESE of Taint Reservoir, ca 24 air mi SE of Zortman; ca 52 air mi SSW of Malta.
Sagebrush-grasslands with occasional juniper on flats above the breaks on clay soil. Phenology: flowering.

U.S.A., Montana, Phillips County: Ridge E of Spring Creek, W of CK Ridge Road, ca 2.5 air mi E of Blizzard Reservoir, ca 18 air mi SE of Zortman; ca 48 air mi SSW of Malta.
Sagebrush-grasslands on rolling hills of clay to loamy soil with swales and areas of stony silty hardpans. Phenology: flowering.

U.S.A., Montana, Valley County: Larb Hills (North): S of Beaver Creek, ca 4.5 air mi NNW of Ashford Spring, ca 6.5 air mi WNW of Hinsdale; ca 31.5 air mi NW of Glasgow.
Hilltops with sandy soil and sandstone outcrops. Phenology: flowering.

U.S.A., Montana, Valley County: Larb Hills (North): S of Beaver Creek, ca 4.5 air mi NNW of Ashford Spring, ca 6.5 air mi WNW of Hinsdale; ca 31.5 air mi NW of Glasgow.
Big sagebrush-grasslands on loamy rolling hills. Phenology: flowering.

U.S.A., Montana, Phillips County: Larb Hills (North): N of Cottonwood Creek, ca 4 air mi S of Bauer Reservoir, ca 13 air mi SW of Saco; ca 17.5 air mi ESE of Malta.
Silver sagebrush-grasslands on loamy soil on rolling hills with swales. Phenology: flowering.

U.S.A., Montana, Phillips County: Larb Hills (North): E of Lower Harb Road, ca 1.5 air mi E of Beaver Creek, ca 15 air mi SW of Saco; ca 15.5 air mi ESE of Malta.
Rolling sagebrush-grasslands on loamy soil with slopes and swales. Phenology: flowering & fruiting.

U.S.A., Montana, Valley County: [location and coordinates withheld]
Empty lot and disturbed graveled area. Phenology: flowering.

U.S.A., Montana, Valley County: Uhlan Coulee, ca 2.5 air mi W of Porcupine Creek, ca 23 air mi N of Fort Peck; ca 12 air mi NE of Glasgow.
Grasslands on hills with slopes and swales on loamy soil. Phenology: flowering.

U.S.A., Montana, Phillips County: N of Cottonwood Creek, ca 9.5 air mi WNW of Fanny Hill, ca 27 air mi WSW of Whitewater; ca 27 air mi NNW of Malta.
Grasslands with occasional silver sagebrush on loamy soil. Phenology: flowering & fruiting.

U.S.A., Montana, Valley County: Little Beaver Creek, S of Grub Detention Reservoir, ca 7.5 air mi W of Last Reservoir, ca 23 air mi WNW of Fort Peck; ca 17.5 air mi SW of Glasgow.
Big sagebrush steppe with greasewood and saltbush on silty and clay flats. Phenology: flowering.

U.S.A., Montana, Valley County: Charles M. Russell National Wildlife Refuge: N of Refuge Road 108, ca 6.5 air mi ENE of Willow Flat Reservoir, ca 6 air mi WSW of Fort Peck; ca 15 air mi SSE of Glasgow.
Big sagebrush steppe on badlands clay hills with large patches of yellow sweetclover. Phenology: flowering & fruiting.

U.S.A., Montana, Phillips County: Korsbeck Waterfowl Production Area: W of Stage Road, ca 8 air mi N of Ester Lake, ca 24 air mi NNE of Zortman; ca 21.5 air mi SW of Malta.
Grasslands on loamy soil with occasional silver sagebrush, alkaline areas, and large patches of crested wheatgrass, yellow sweetclover, and alfalfa. Phenology: flowering & fruiting.

U.S.A., Montana, Phillips County: American Prairie Reserve: North Fork White Rock Coulee, ca 4.5 air mi ESE of Little Warm Reservoir, ca 24.5 air mi ENE of Zortman; ca 24 air mi SSW of Malta.
Grassland hills with big sagebrush on clay to loamy soil. Phenology: flowering & fruiting.

U.S.A., Montana, Phillips County: Matador Ranch: Coburn Butte and prairie to the E, ca 8.5 air mi WSW of Veseth Reservoir, ca 8.5 air mi ESE of Zortman; ca 40 air mi SSW of Malta.
Grasslands at base of butte with sandy soil. Phenology: flowering.

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountains: San Isabel National Forest: Cottonwood Canyon, ca 9 air mi NW of Gardner.

U.S.A., Montana, Madison County: Ruby Range: hill above Sweetwater Creek, ca 10.5 air mi SSW of Ruby River Reservoir, ca 28 air mi S of Sheridan.
Grassy hill with patches of sagebrush and scattered juniper on volcanic substrate. Phenology: flowering.

U.S.A., Montana, Beaverhead County: Ridge above north end of Antelope Flat, ca 7.8 air mi E of I-15, ca 5.5 air mi E of Lima; ca 37 air mi S of Dillon.
Cobbly, grassy slopes with scattered sagebrush. Phenology: flowering.

U.S.A., Montana, Madison County: Madison Valley: along Madison River, ca 2 air mi NNW of McAtee Bridge, ca 16.5 air mi SSE of Ennis.
Flat, dry grassland in a valley bottom. Phenology: flowering.

U.S.A., South Dakota, Harding County: Custer National Forest: Slim Buttes: just N of SD Hwy 20, ca 0.5-1 air mi W of Reva Gap, ca 17.5 air mi E of Buffalo.
Grass-dominated scoria hilltop. Phenology: flowering.
Accession: (unaccessioned), Barcode: USFS0050535

U.S.A., Wyoming, Park County: Shoshone National Forest: below Wapiti Ranger Station Pasture.
East slope; sandy loam soil. Moderately scarce. Phenology: vegetative only.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: on hill just S of Wapiti.
In sagebrush-grassland with Erigeron pumilus, Xylorhiza glabriscula and Arenaria hookeri. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: W of Wapiti Ranger Station.
Growing in pasture with Poa pratensis, Trifolium repens, and Erigeron glabellus. Phenology: flowering & fruiting.

U.S.A., Colorado, Saguache County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: San Luis Valley: County Road NN56, 3 air mi NW of Villa Grove.
Open grassland and roadside. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Beulah.
Northern foothills and red beds; grass association; xerophytic. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Inyan Kara Creek, 17 mi S of Sundance.
Foothills; grass association; xerophytic. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Laramie Plains: Antelope Creek, along County Road 316 (Sportsman Lake Road), ca 15 mi SSW of Laramie.
Red dirt pasture, soil lichens dominant. Phenology: flowering.

U.S.A., Utah, Box Elder County: Utah Hwy 30, 28.6 road mi WSW of Snowville or 10.4 road mi SW of junction with Utah Hwy 42.
Steep slopes and rock outcrops. Phenology: flowering.
1. Erigeron pumilus Nutt. var. pumilus .

U.S.A., Idaho, Elmore County: U.S. Hwy 84, ca 16 road mi NNW of Mountain Home on road to Mayfield.
Elev. 3200
Rolling sagebrush hills. Phenology: flowering.

U.S.A., Wyoming, Platte County: Camp Guernsey: ca 0.5 km W of North Platte River, ca 0.2 km N of Cottonwood Creek.
zone DMC, 510000E, 4685900N; unknown, GPS reading
Rolling hills; mixed grassland; sandy loam; with Artemisia frigida, A. cana, Camelina microcarpa, Penstemon albidus, Stipa comata. Phenology: flowering & fruiting.
Patricia P. Douglas, 39. 6/12/1995.
with B. E. Nelson, C.arlos A. Popolizio, Rosalie M. Smith

U.S.A., Wyoming, Platte County: Camp Guernsey: Cantonment, ca 0.5 km E of Guernsey Landing Field and ca 0.3 km S of U.S. Hwy 26.
zone DMC, 522800E, 4678300N; unknown, GPS reading
Level to gentle slope; disturbed mixed grass prairie; loamy sand; with Artemisia filifolia, Sphaeralcea coccinea, Grindelia squarrosa, Bromus tectorum, Helianthus spp. Infrequent; taprooted herb; 15-25 cm tall; disk yellow; ray white. Phenology: flowering.
Carlos A. Popolizio, 983. 7/11/1996.
with Donald L. Hazlett, Melanie Arnett

U.S.A., Colorado, Saguache County: Cochetopa Canyon, 16 road mi S of U.S. Hwy 50 on Colo Hwy 114, ca 17 air mi SE of Gunnison.
Brushy slope and flats. Phenology: flowering.
with Ray Umber and Tilton Davis IV

U.S.A., Colorado, Gunnison County: Above Tomichi Creek, ca 0.5 road mi NW of Parlin, ca 11.5 road mi ESE of Gunnison along U.S. Hwy 50.
38.509° N, 106.7334° W; NAD 83, uncertainty 700 ft., Nat. Geog. TOPO!
Sagebrush slope. Phenology: flowering.
with Ray Umber and Tilton Davis IV

U.S.A., Wyoming, Washakie County: 10 mi SW of Ten Sleep in North Butte area.

U.S.A., Wyoming, Hot Springs County: SE of Thermopolis and E of the Wind River Canyon, on the North Flank of the Owl Creek Range: Devils Slide.
Big sagebrush grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Big Horn County: Along Elk Creek Road, 8 air mi W of Manderson.
Atriplex overstory Phenology: flowering.

U.S.A., Wyoming, Teton County: Gros Ventre Mountains: Flat Creek.
Growing with Penstemon sp. and Castilleja sp.; in open rocky area. Infrequent. Phenology: flowering.

U.S.A., Wyoming, Campbell County:
Dry grassy plains. Phenology: fruiting.
Mary Alice Sanguinetti, 423. 7/14/1978.

U.S.A., Wyoming, Park County: Clarks Fork Valley: Sand Coulee.
Dry, sandy slope. Phenology: flowering & fruiting.
Edward Pearson, 4. 6/19/1924.
with Dorothy Pearson

U.S.A., Wyoming, Platte County: Guernsey.
1. Erigeron pumilus Nutt.
Annotated by C. L. Porter.

U.S.A., Wyoming, Sheridan County: Wakely.
Rangeland. Phenology: flowering.

U.S.A., Wyoming, Albany County: County Road 721, 2 mi from junction of County Road 61.
R. Owen Asplund, s.n.. 7/6/1972.

U.S.A., Wyoming, Campbell County: 20 mi N of Gillette.
Sandy clay loam soil on hillside, open cedar type. Phenology: flowering.
Charles L. Turner, 39. 6/6/1946.

U.S.A., Wyoming, Fremont County: Foothills of the Wind River Range: Shoshone (Wind River) Indian Reservation, W of Fort Washakie.
Dry upland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Yellowstone National Park: Gardiner River.
On the river bottom. Phenology: flowering & fruiting.
with Elias Nelson

U.S.A., Wyoming, Park County: Yellowstone National Park: Amethyst Creek.
On gravelly, open hills. Phenology: flowering & fruiting.
with Elias Nelson

U.S.A., Wyoming, Sheridan County: Beaver Creek slope.
Grassy flats and hills. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sheridan County: Kemp Creek Hills.
Dry pastures. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sheridan County: Hills E of Sheridan.
Sandy slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Yellowstone National Park: Fountain.

U.S.A., Wyoming, Hot Springs County: Thermopolis.
Gravelly hillsides. Abundant. Phenology: flowering & fruiting.

U.S.A., Wyoming, Johnson County: Buffalo.
Phenology: fruiting.

U.S.A., Wyoming, Big Horn County: Shell.
with C. E. Moore

U.S.A., Wyoming, Fremont County: Lysite Badlands: E of Moneta-Lysite Road ca 5 air mi ENE of Moneta, badlands and ridge to S
With Artemisia tridentata, Carex filifolia. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Lysite Badlands: Pony Creek #1 gas line site just W of Moneta-Lysite Road, 3.3 road mi N of Moneta.
Bottom of wash in Artemisia tridentata-Stipa comata grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County:
Grassy plains. Phenology: flowering & fruiting.
Mary Alice Sanguinetti, 443. 7/14/1978.

U.S.A., Wyoming, Campbell County:
Dry, grassy hills. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: 14 mi SE of Lander along U.S. Hwy 287.
Dry, sand bluffs. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Gillette.

U.S.A., Wyoming, Campbell County: N of Gillette.

U.S.A., Wyoming, Fremont County: Near Black Buttes Mill Site, 20 mi N of Shoshoni.
Dry slope. Phenology: flowering.
George F. Freytag, 74. 6/8/1948.

U.S.A., Wyoming, Johnson County: Bighorn National Forest: Clear Creek.
T50N R83W
Gentle southeast slope; light sandy soil; park, with wheat and grama grasses. Fairly abundant. Phenology: flowering & fruiting.

U.S.A., Wyoming, Big Horn County: Bighorn National Forest.
Moderate west slope; sandy soil; park. Not abundant. Phenology: flowering.

Grassy Plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Washakie County: Junction Manderson-Hyattville Road with Ten Sleep Road, then 5 mi S, 17.5 air mi ESE of Manderson; 17.5 air mi NE of Worland.
Atriplex overstory. Phenology: flowering.

U.S.A., Wyoming, Washakie County: N of Tenmile Creek.
T48N R93W
Sandy site. Schuster Flats NE Quadrangle Phenology: flowering.

U.S.A., Wyoming, Campbell County: Ca 70 air km SSE of Gillette; 14 air km E of Wyo Hwy 59.
Sandy loam soil sdisced in June 1976, with Salsola, Chenopodium, Lepidium, Plantago, Festuca. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: ca 21 air km SSE of Gillette, 5 air km E of Wyo Hwy 59.
In sandy loam soil disced in June 1976, with Salsola, Amaranthus. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Wind River Basin: Ninemile Reservoir on a tributary of Fivemile Draw, ca 17.5 air mi ESE of Lander.
T32N R97W S14; also S15
In sagebrush grassland near badlands with Poa, Stipa, Bromus. Phenology: flowering & fruiting.
Frank Blomquist, s.n.. 6/22/1983.

U.S.A., Wyoming, Teton County: Gros Ventre Mountains: Kelly Warm Springs.
Growing with Draba sp. and Mertensia sp.; in rocky soil. Infrequent. Phenology: flowering.
Robert W. Lichvar, s.n.. 5/23/1977.

U.S.A., Wyoming, Teton County: Gros Ventre Mountains: Crystal Creek.
Growing with Antennaria sp. and Senecio sp.; in open area. Frequent. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Base of Beaver Rim.
Open sagebrush slopes along a dry wash. Phenology: flowering.

U.S.A., Wyoming, Big Horn County: Big Horn River.
Gravelly clay slope in Artemisia/Agropyron cover class. Phenology: flowering.

U.S.A., Wyoming, Teton County: Gros Ventre Mountains: Gros Ventre River.
In open area with dark soil; growing with Arnica sp. and Mertensia sp. Common. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Wind River Basin; Johnny Behind the Rocks, 13.5 air miles SSE of Lander.
Sagebrush grasslands; loam soil; 3 degree slopes. Associated species: Artemisia tridentata var. wyomingensis, Juniperus sp., Allium textile, Cryptantha sp., Arenaria hookeri, Opuntia polyacantha. Phenology: flowering & fruiting.
Christopher Coggin, 17. 6/5/2017.
with Leah Prescott

U.S.A., Colorado, Pueblo County: [location and coordinates withheld]
Shaley slopes with Atriplex; Frankenia on barren areas. Phenology: flowering.
Annotated by Timothy W. Chumley.
with Timothy W. Chumley

U.S.A., Colorado, Pueblo County: East-central Colorado: Mosquito Range to Plains: ca 13 air mi WNW of center of Pueblo at Swallows along the Arkansas River.
Breaks along river. Phenology: flowering.
Annotated by Timothy W. Chumley.
with Timothy W. Chumley

U.S.A., Colorado, Fremont County: East-central Colorado: Mosquito Range to Plains: Arkansas River Drainage: Sand Gulch off Sand Gulch or County Road 13, ca 2.8 road mi NE of intersection with County Road 12, ca 3 air mi NNE of Cotopaxi.
Sparsely wooded slopes and drainages in pinyon-juniper on sandy-gravelly granitic soils with large granite outcrops. Phenology: flowering.

Erigeron pumilus var. subglaber (1911)
Erigeron pumilus Nutt. var. subglaber Cronquist
U.S.A., Utah: S of Monticello.
Meadow. Phenology: flowering & fruiting.
Type Specimen: Isotype for Erigeron pumilus Nutt. var. subglaber Cronquist. Brittonia 6: 183. 1947.
2. Erigeron pumilus Nutt. var. subglaber Cronquist
Annotated by Arthur Cronquist in 1943. Isotype!
1. Erigeron concinnus (Hook. & Arn.) Torr. & A. Gray.
with A. O. Garrett