Dieteria canescens var. canescens (1996)
ASTERACEAE
Dieteria canescens (Pursh) Nutt. var. canescens
U.S.A., Wyoming, Park County: Northern Absaroka Area: Shoshone National Forest: Monument Mountain.
Forested slopes and ridgetop. Phenology: flowering.
Accession: RM 679686, Barcode: RM0045328

Dieteria canescens var. canescens (1996)
ASTERACEAE
Dieteria canescens (Pursh) Nutt. var. canescens
U.S.A., Wyoming, Park County: Northern Absaroka Area: Sheep Mountain, north-central access from 0.4-0.8 air mi S of County Road 6FU on west branch of central drainage.
Dry stream bottom. Phenology: flowering.
with David Rosenthal
Accession: RM 679683, Barcode: RM0045327

Dieteria canescens var. canescens (1996)
ASTERACEAE
Dieteria canescens (Pursh) Nutt. var. canescens
U.S.A., Wyoming, Park County: Northern Absaroka Area: Wapiti Ridge Area: Houlihan Creek and ridge to southwest.
Rocky, dry stream bottom or wet above, and sandstone outcrops. Phenology: flowering.
with David Rosenthal
Accession: RM 679684, Barcode: RM0045326

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.
Stream bottom and adjacent slopes. Phenology: flowering.

U.S.A., Wyoming, Park County: Northern Absaroka Area: Shoshone National Forest: ca 14 air mi W of town of Wapiti on U.S. Hwy 14, 16, & 20 and intersection with Moss Creek, up slope from creek to ridge.
Spruce/fir forest to rocky loose slopes and ridges with volcanic substrate. Sampled for molecular study-Rob Massatti, USGS Phenology: flowering.

U.S.A., Wyoming, Park County: Northern Absaroka Area: Shoshone National Forest: Ishawooa Mesa Trail, ca 28 air mi SW of Cody.
Sagebrush shrubland, also dry drainages with pine and juniper woodlands. Phenology: flowering.

U.S.A., Wyoming, Park County: Northern Absaroka Area: Shoshone National Forest: Ishawooa Mesa Trail, up drainage and cutbacks, ca 28 air mi SW of Cody.
Rocky and dry south facing slopes with Douglas fir and spruce forest in drainages. Phenology: flowering.

U.S.A., Wyoming, Park County: Northern Absaroka Area: Shoshone National Forest: Ishawooa Mesa Trail along ridge, ca 28 air mi SW of Cody.
Spruce/fir forest along ridge with rock outcrops and small meadows. Phenology: flowering.

U.S.A., Wyoming, Park County: Northern Absaroka Area: Shoshone National Forest: Northern Absaroka Wilderness: up Crandall Trail, ca 36 air mi WNW of Cody.
Stream bottom and slopes. 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, Park County: Northern Absaroka Area: Shoshone National Forest: pack trail up main drainage W of Signal Peak (across river from Laughing Pig Rock), ca 5 air mi E of town of Wapiti on U.S. Hwy 14, 16, & 20.
Forested slopes with open sparsely vegetated areas, volcanics. Phenology: flowering.
with Cathy Binger

U.S.A., Wyoming, Park County: Northern Absaroka Area: east side of Sheep Mountain, ca 8 air mi SW of top of Cedar Mountain.
Eroded shales and sandstones with wet spots. Phenology: flowering & fruiting.
with Jim Fowler

U.S.A., Wyoming, Park County: Northern Absaroka Area: east side of Sheep Mountain, ca 11 air mi SW of Cedar Mountain.
Sedimentary slopes with wet spots. Phenology: flowering & fruiting.
with Jim Fowler

U.S.A., Wyoming, Park County: Northern Absaroka Area: Ishawooa Creek Pack Trail, Ishawooa Hills.
Barren to grassy slopes and some wet spots. Phenology: flowering.
with Jim Fowler

U.S.A., Wyoming, Park County: Northern Absaroka Area: Cabin Creek.
Stream bottom and adjacent hills. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Northern Absaroka Area: Bobcat Creek Trail.
Sagebrush slopes. Sampled for molecular study-Rob Massatti, USGS Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Northern Absaroka Area: road on south side of the North Fork Shoshone River, ca 5 air mi E of Wapiti.
Elev. 5600 ft.
River margins and irrigation ditch and riparian area. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Northern Absaroka Area: ca 3 air mi SE of Cedar Mountain summit.
Elev. 5600 ft.
Clay badlands. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Northern Absaroka Area: Legg Creek area along the South Fork Shoshone River, South Fork Road, ca 1.8 air mi SW of Hunter Creek Road turnoff.
Along stream and alluvial fan and disturbed areas. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: Robertson Flat on Steckley or Forest Road 942, ca 13 air mi NW of Bill; ca 50 air mi N of Douglas.
Elev. 5060 ft.
Roadside. Phenology: flowering & fruiting.
Annotations:
1. Dieteria canescens (Pursh) Nutt. var. canescens
Annotated by Peter J. Ebertowski.
Accession: RM (unaccessioned)

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: ponderosa pine covered ridge and ravines N of and draining to Little Thunder Creek, ca 20.5 air mi E of Wright; ca 46 air mi SSE of Gillette.
Scoria ridge, bluebunch wheatgrass and plains muhly. Phenology: flowering.
Accession: RM (unaccessioned)

U.S.A., Wyoming, Niobrara County: Thunder Basin National Grassland and Vicinity: 77 Hills on Wyo Hwy 270, ca 4.8 air mi N of Manville; ca 11 air mi NW of Lusk.
Mix ponderosa pine and grassland on silt-sand soil. Phenology: flowering & fruiting.
Accession: RM (unaccessioned)

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: Red Hills on two-track road off of Forest Road 942, ca 16 air mi N of Bill; ca 23 air mi SE of Wright.
Scoria hills. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: low ridge draining to and N of Little Thunder Creek on Wyo Hwy 450, ca 29 air mi ESE of Wright; ca 38 air mi WSW of Newcastle.
Sandy knolls and bowls; yucca, sandreed and sand bluestem. Phenology: flowering & fruiting.
Peter J. Ebertowski, 3661. 9/1/2002.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: along Buzzard Creek on Keeline or Forest Road 930, ca 22 air mi ESE of Wright; ca 45 air mi SSE of Gillette.
Sagebrush/grassland with sandy patches of grass. Phenology: flowering & fruiting.
Peter J. Ebertowski, 3731. 9/2/2002.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: Sunny Draw, on two-track off Forest Road 973, ca 23 air mi SE of Wright; ca 53 air mi N of Douglas.
Creek bed. Phenology: flowering.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: Antelope Creek, ca 0.5 mi W of its confluence with Wildcat Creek, on Forest Road 949, ca 28 air mi SE of Wright; ca 51 air mi NNE of Douglas.
Narrow band of cottonwoods on sandy stream terrace. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: grassland in Mush Creek Oil Field, ca 1 mi NE of South Beaver Creek, on Wyo Hwy 450, ca 14 air mi WSW of Newcastle; ca 23 air mi SSE of Upton.
Sandy hills with rock outcrops, yucca and prairie sandreed abundant. Phenology: flowering.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: eastern edge of Red Hills, ca 1 mi S of Antelope Creek, off Steckley or Forest Road 942, ca 25 air mi SE of Wright; ca 50 air mi N of Douglas.
Scoria hill, ponderosa pine on rims of hilltops. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: Red Hills, ca 1 mi S of Antelope Creek, on four-wheel drive road, ca 23 air mi SE of Wright; ca 58 air mi WSW of Newcastle.
Scoria hills. Phenology: flowering.

U.S.A., Arizona, Coconino County: Coconino National Forest: SE of switch back on County Road 128 at base and lower slope of Anderson Mesa, ca 10 air mi SE of Flagstaff.
Rocky slope with ledges in pinyon/juniper/oak woodland. Phenology: flowering & fruiting.

U.S.A., Arizona, Coconino County: Coconino National Forest: SE of switch back on County Road 128 at base and lower slope of Anderson Mesa, ca 10 air mi SE of Flagstaff.
Ponderosa pine forest with scattered pinyon and Utah juniper. Phenology: flowering & fruiting.

U.S.A., Arizona, Coconino County: Coconino National Forest: from the observation point along County Road 3 (Forest Hwy 3) 0.5 mi out into Morman Lake bed, SSE of Bass Point, ca 20 air mi SE of Flagstaff.
Base of basalt cliffs and on abandoned highway. Phenology: flowering & fruiting.

U.S.A., Arizona, Coconino County: Coconino National Forest: above and in upper Walnut Canyon from County Road 3 (Forest Hwy 3) to the junction with Skunk Canyon, ca 4.5 - 5 air mi SE of Flagstaff.
Canyon bottom. Phenology: flowering & fruiting.
with James F. Fowler

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.
T52N R98W S9
Sagebrush-greasewood steppe with Artemisia pedatifida, Atriplex gardneri, Carex filifolia, and Xylorhiza glabriuscula.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: along Little Dry Creek Road 3/4 mi E of Wyo Hwy 32, 5 mi N of U.S. Hwy 14, 20 mi W of Greybull.
T53N R96W S18
Sagebrush - saltbush steppe with Artemisia pedatifida, Atriplex gardneri, Xylorhiza glabriuscula, and Halogeton glomeratus.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: southeast side of Giant Castle Mountain, ca 2-3 mi N of U.S. Hwy 14, 16, & 20.
South facing, open, rocky habitats. Phenology: flowering.

U.S.A., Wyoming, Park County: [location and coordinates withheld]
Open south-facing sagebrush-grassland, dominant species included: Artemisia nova, Artemisia tridentata ssp. wyomingensis, Carex filifolia and Agropyron spicatum. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: along Crow Creek, ca 1 mi W of confluence with North Fork Shoshone River, ca 1.3 mi N of U.S. Hwy 14, 16, & 20.
Dry, rocky openings in Douglas fir forest, prominent species included: Artemisia tridentata ssp. vaseyana, Selaginella densa, Gayophytum diffusum, and Eriophyllum lanatum var. integrifolium. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Bighorn Basin: along west side of Oregon Basin Road, ca 1.5 mi S of U.S. Hwy 14, 16, & 20.
Sagebrush-grassland with Artemisia tridentata var. wyomingensis, Artemisia pedatifida, Delphinium geyeri, Bouteloua gracilis, Carex filifolia, and Stipa comata. Phenology: flowering & fruiting.

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, Gallatin County: Madison Range: Gallatin National Forest: along the north side of Taylor Creek: ca 1 mi W of U.S. Hwy 191, ca 14 mi S of Big Sky.
Open, south-facing limestone cliffs and slope with Agropyron spicatum, Artemisia fridgida, and Pentaphylloides floribunda.
Accession: (unaccessioned)

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.

U.S.A., Arizona, Coconino County: Kaibab National Forest: Kaibab Plateau: off Forest Road 415 ca 2 air mi E of Road Hollow Point, ca 17-17.5 air mi SSW of Jacob Lake; ca 36 air mi SE of Fredonia.
Ponderosa pine with blue spruce/white fir/Douglas fir/aspen in the sinks. Phenology: flowering & fruiting.
with James F. Fowler

U.S.A., Wyoming, Hot Springs County: Southeastern Absarokas: ridge ca 1/4 mi N of Gooseberry Creek, in foothills ca 12 mi S of Meeteetse.
Rocky sagebrush-grassland with a few scattered limber pine and juniper, and with Psoralea lanceolata, Bouteloua gracilis, Astragalus spatulatus, and Heterotheca villosa.

U.S.A., Arizona, Coconino County: Kaibab National Forest: Kaibab Plateau: at the junction of Forest roads 425 and 232 in Indian Hollow at the north end of Big Saddle, ca 20.5 air mi SW of Jacob Lake; ca 34 air mi S of Fredonia.
Disturbed area in and around corral. Phenology: flowering & fruiting.
with James F. Fowler

U.S.A., Wyoming, Hot Springs County: [location and coordinates withheld]
Sagebrush-grassland with scattered Juniperus scopulorum, Lewisia rediviva, Koeleria macrantha, and Carex filifolia. Phenology: flowering.

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: buds.

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., Arizona, Coconino County: Kaibab National Forest: Coconino Plateau: along Forest Road 302, ca 3 air mi S of South Rim Grand Canyon, ca 9.5 air mi ESE of Tusayan; ca 55 air mi NNW of Flagstaff.
Meadow and shallow valley. Phenology: flowering.

U.S.A., Arizona, Coconino County: Kaibab National Forest: Coconino Plateau: Coconino Rim off Coconino Rim or Forest Road 310, ca 5.5 air mi S of South Rim Grand Canyon, ca 12.5 air mi ESE of Tusayan; ca 53 air mi NNW of Flagstaff.
Canyon going off rim of plateau. Phenology: flowering & fruiting.

U.S.A., Arizona, Coconino County: Kaibab National Forest: Upper Basin on Coconino Plateau at Wagoner Tank in upper Lee Canyon along Forest Road 307, ca 15.5 air mi E of Tusayan; ca 52.5 air mi NNW of Flagstaff.
Sandy, open flats. Phenology: flowering & fruiting.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: Legend Rocks State Historical Site just N of Cottonwood Creek, ca 25 mi NW of Thermopolis.
Disturbed sagebrush-grassland adjacent to cliffs with petroglyphs; dominant species included Bromus tectorum and Alyssum desertorum. Phenology: flowering & fruiting.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: Public Fishing Access Site along the east side of the Big Horn River, just NE of Lucerne, 7 mi N of Thermopolis.
T44N R94W S28
Weedy, riparian area in sandy soil with Bromus tectorum, Malcolmia africana, Sporobolus airoides, and Centaurea repens. Phenology: flowering & fruiting.

U.S.A., Montana, Carbon County: Along the bottom of Hollenbeck Draw, 1/4 mi E of Mont Hwy 72, 5 mi S of Belfry.
T9S R22E S9
Dry creek bottom and adjacent shrub steppe with Artemisia tridentata var. tridentata, Elaeagnus angustifolia, Halogeton glomeratus, and Euphorbia glyptosperma. 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 & fruiting.

U.S.A., Wyoming, Fremont County: Wind River Range: Torrey Creek Trailhead at end of road, 8 mi SSE of Dubois.
Disturbed sagebrush grassland with scattered limber pine and with Artemisia tridentata var. vaseyana, Agropyron spicatum, and Eriogonum brevicaule. Phenology: flowering & fruiting.

U.S.A., Montana, Madison County: Madison Range: Gallatin National Forest: along West Fork Beaver Creek Trail, ca 4 mi N of U.S. Hwy 287; 25 mi NW of West Yellowstone.
South facing talus slope with Rubus idaeus, Woodsia scopulina, and Erigeron acris. Sampled for molecular study-Rob Massatti, USGS Phenology: flowering.

U.S.A., Colorado, Saguache County: Eastern San Juan Mountains: Rio Grande National Forest: Forest Road 810, ca 23 air mi NW of Saguache.
Lodgepole pine forest. Phenology: flowering.
Accession: RM 795022

U.S.A., Arizona, Coconino County: Coconino National Forest: at the intersection of U.S. Hwy 89 and Forest Road 418-420 just E of the base of San Francisco Mountain, ca 12.5 air mi NNE of Flagstaff.
Roadside, barrow pit, and adjacent ponderosa pine savana. Phenology: flowering & fruiting.

U.S.A., Colorado, Conejos County: Eastern San Juan Mountains: along Rito Hondo ca 3/4 mi above Bighorn Creek, ca 2 3/4 air mi S of Fox Creek; ca 10.5 air mi WSW of Antonito.
Parking area and around corrals. Phenology: flowering & fruiting.
Annotations:
1. Dieteria canescens (Pursh) Nutt. var. canescens
Annotated by Jeanette Flaig.

U.S.A., Colorado, Conejos County: Eastern San Juan Mountains: just N of Hot Creek State Wildlife Area and E of Ojito Creek and Piedrosa Canyon, 5 air mi ENE of Centro.
Northeast-facing slope in juniper/pinyon woodland with rock outcrops in thin rocky soil. Phenology: flowering.

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; rocky slopes and outcrops. Phenology: flowering & fruiting.

U.S.A., Arizona, Navajo County: Sitgreaves National Forest: Black Canyon along Forest Road 86, ca 3 air mi SW of Heber.
Limestone outcrop with sandy soil below. Phenology: flowering & fruiting.
Annotations:
1. Dieteria canescens (Pursh) Nutt. var. canescens
Annotated by B. E. Nelson.

U.S.A., Wyoming, Carbon County: Great Divide Basin Area: Great Divide Basin: Hogback Lake and vicinity, ca 5.5 air mi SW of Rawlins; ca 6 air mi SE of Chokecherry Knob.
West-facing hill sloping down to lake; grasses dominant on slope, sagebrush and Sarcobatus in drainages; dry, fine soil with gravel. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Sweetwater River Drainage: Warm Springs and vicinity, ca 5 air mi S of Sweetwater Station; ca 8 air mi N of Buffalo Basin Oil Field.
Low slopes near spring; low sagebrush and graminoids dominant; dry, sandy soil; most plants past flower. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Sweetwater River Drainage: Ice Slough and adjacent sand dunes, ca 10 air mi E of Sweetwater Station; ca 10.5 air mi SSW of Tin Cup Mountain.
Partially vegetated sand dunes; medium sagebrush and rabbitbrush dominant (forbs dominant in west-facing blowouts). Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Sweetwater River Drainage: dammed pond, associated drainages, and nearby slopes, ca 6.5 air mi N of Buffalo Basin Oil Field; ca 11.5 air mi S of Sweetwater Station.
Drainages around pond; dense, grazed graminoids, scattered forbs; moist, dark, soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Sweetwater River Drainage: S of Crooks Mountain, ca 4.5 air mi ENE of Buffalo Basin Oil Field; ca 3 air mi S of East Alkali Creek.
West-facing slopes and tops of hills; partially vegetated; dry, rocky soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Great Divide Basin Area: Great Divide Basin: top and sides of Continental Divide in rolling plains, ca 12 air mi S of Creston Junction; ca 17 air mi SE of Wamsutter.
Knoll with dry clay soil, dominated by scattered sagebrush (1-3' tall). Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Popo Agie River Drainage: low foothills along U.S. Hwy 287, ca 16.5 air mi SE of Lander; ca 1 air mi W of Twin Creek.
Northwest-facing slope with sandstone outcrops and dry, shallow, sand soil; open juniper/pine overstory, scattered low Artemisia and grasses in understory. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Green Mountain: Sand Spring and its intersection with Crooks Creek, ca 5 air mi NE of Bare Ring Butte; ca 11.5 air mi W of Whiskey Peak.
Sand dunes surrounding creek; sagebrush and grasses dominant; dry, fine, rocky soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Great Divide Basin Area: Great Divide Basin: drainage and adjacent slopes, ca 4.5 air mi S of Separation Peak; ca 7 air mi W of Teton Reservoir.
Open, flat, dried-up drainage bottom; grazed graminoids dominant; hard, clay soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: [location and coordinates withheld]
Small dry wash on west-facing sagebrush slope; dense patches of Salix shrubs interspersed with dense sagebrush and tall graminoids. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Great Divide Basin Area: Great Divide Basin: Snowshoe Canyon on Atlantic Rim, ca 5 air mi SW of Bridger Pass; ca 19 air mi SE of Creston Junction.
Recent burn on west-facing slope of canyon Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: Bull Springs, ca 5.5 air mi W of Separation Point; ca 10.5 air mi S of Lamont.
Spring between two adjacent sandstone rims in sagebrush flats; dense tall graminoids; mucky organic soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Great Divide Basin Area: Ferris Mountains: Indian Creek, ca 6 air mi NE of Lamont; ca 11 air mi WNW of Ferris.
Steep south-facing slope; sagebrush and scattered pine dominant; red rocky soil, sandstone outcrops. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Great Divide Basin Area: Ferris Mountains: Indian Wash, ca 6 air mi NE of Lamont; ca 11 air mi WNW of Ferris.
Narrow shaded rocky draw; graminoids dominant. Phenology: flowering & fruiting.
Accession: (unaccessioned)

U.S.A., Wyoming, Carbon County: Great Divide Basin Area: Great Divide Basin: Separation Spring on Rendle Rim ca 2 air mi W of Dry Lake; ca 4 air mi SE of Rendle Point.
Open spring with steep banks on southeast-facing sagebrush slope; thickets of Salix line banks; loose, shaly soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Great Divide Basin Area: Ferris Mountains: upper Sand Creek ca 3 air mi N of Ferris; ca 4.5 air mi W of Bear Mountain.
Small creek on south-facing slope at base of mountain; closed pine and spruce overstory with intermittant open graminoid meadows; dry red soil, limestone outcrops. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Great Divide Basin Area: Great Divide Basin: Little Camp Creek, ca 3 air mi NE of Bairoil; ca 5 air mi SE of Whiskey Peak.
Small dammed creek on north-facing slope in sagebrush hills; graminoids dominant; dry fine rocky soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: [location and coordinates withheld]
Disturbed roadside. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: [location and coordinates withheld]
Sandstone slickrock pour-off; sparsely vegetated. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Sweetwater River Drainage: lower Pine Creek, ca 8 air mi S of Atlantic City; ca 9.5 air mi N of Continental Peak.
Side of creek in steep sagebrush hills with uplifted shaley outcrops. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: [location and coordinates withheld]
Disturbed roadbed. Phenology: flowering & fruiting.
Accession: (unaccessioned)

Near creek in dry graminoid rolling hills; fine silty soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Sweetwater River Drainage: East Alkali Creek, ca 5 air mi N of Buffalo Basin; ca 8 air mi E of North Bear Mountain.
Near narrow creek in rolling sagebrush hills; grazed graminoids dominant, some scattered Sarcobatus. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Great Divide Basin Area: Ferris Mountains: creek and adjacent slopes, ca 6.5 air mi NW of Ferris; ca 10 air mi ENE of Lamont.
Disturbed roadside; dry compact rocky soil. Phenology: flowering & fruiting.

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.
Sparsely vegetated east facing slope with Atriplex; silt/clay soil. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Popo Agie River Drainage: Dilabaugh Buttes and Dilabaugh Spring, ca 6 air mi W of Schoettlin Mountain; ca 12 air mi E of Roundtop Mountain.
Moist spring at base of buttes with dense graminoids, willows, and aspen; organic soil. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: Battle Spring Draw, ca 27 air mi SW of Bairoil; ca 26 air mi N of Wamsutter.
Moist draw at bottom of hill with greasewood and grasses. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: [location and coordinates withheld]
Top of low ridge; partially vegetated with scattered grasses and sagebrush; fine shaly soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: [location and coordinates withheld]
Small gully on north facing slope; sandy rocky soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: in Chain Lakes Basin, ca 22.5 air mi SW of Bairoil; ca 18 air mi N of Creston Junction.
Low, partially vegetated sand dune on greasewood flat. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: Larson Knoll, ca 23 air mi NW of Rawlins; ca 15 air mi N of Creston Junction.
South facing slope of knoll with sagebrush and grasses; sandy soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: [location and coordinates withheld]
Partially vegetated knoll with grasses and sagebrush; sandy rocky soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: sand dune ca 16 air mi N of Wamsutter; ca 8.5 air mi SE of Circle Bar Lake.
Slight south facing slope with sagebrush and grasses; fine sandy soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Great Divide Basin Area: Great Divide Basin: Separation Flats, ca 14 air mi NW of Rawlins; ca 23.5 air mi S of Bairoil.
Bare sandstone knoll with sandy rocky soil. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: sand dunes near Honeycomb Buttes, ca 8.5 air mi NNW of Buffalo Hump Lake; ca 8 air mi SSE of Continental Peak.
Partially vegetated sand dunes with greasewood and grasses; sandy soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Great Divide Basin: ca 4 air mi W of Continental Peak; ca 5 air mi NE of Oregon Buttes.
Spring at base of slope; dense graminoids, organic soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Green Mountain: ca 5.5 air mi SE of Jeffrey City; ca 9 air mi NE of Crooks Peak.
Moist narrow draw with grasses in sandstone hills. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Crooks Mountain: summit ca 5.5 air mi SE of Warm Springs; ca 8 air mi NE of Buffalo Basin oil field.
Dry, rocky east facing slope with grasses and scattered juniper and pine; rocky silty soil, granitic rocks. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Crooks Mountain: Mason Creek near Crooks Peak, ca 8 air mi NW of Bare Ring Butte; ca 10.5 air mi SW of Jeffrey City.
Small draw on north facing slope with sagebrush and scattered pine and juniper; rocky sandy granitic soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Popo Agie River Drainage: banks of Beaver Creek, ca 2.5 air mi N of Schoettlin Mountain; ca 4 air mi SE of Weiser Pass.
Moist creekside with dense grasses and scattered sagebrush; rocky sandy soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Popo Agie River Drainage: Box Spring, ca 20 air mi SE of Lander; ca 17 air mi W of Sweetwater Station.
Steep, partially vegetated east and west facing slopes of canyon with grasses, sagebrush, and scattered juniper; rocky sandstone soil with sandstone outcrops. Phenology: flowering & fruiting.
Accession: 674387, Barcode: RM0285790

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Popo Agie River Drainage: Stambaugh Creek, ca 19 air mi S of Lander; ca 19 air mi W of Sweetwater Station.
Steep west facing slope with grasses, sagebrush, and scattered pine; rocky gravel soil with outcrops. Phenology: flowering & fruiting.
Accession: 674386, Barcode: RM0285791

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Green Mountain: ca 16.5 air mi ESE of Jeffrey City; ca 10.5 air mi W of Three Forks.
North facing slope with sagebrush and scattered pine; duffy, rocky soil. Phenology: flowering & fruiting.
Accession: 674385, Barcode: RM0285792

U.S.A., Wyoming, Teton County: Gros Ventre Area: ridge just N of Lower Horse Creek, ca 1.5 air mi NNE of Hoback Junction.
Roadside, meadow, and cliffs. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Gros Ventre Area: trail to Cream Puff Peak, ca 0.5-2 air mi from trail head between Bear and Bull Creeks.
Coniferous forests, open slopes, and meadows. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: Gros Ventre Area: lower portion of East Miner Creek.
Streamside and lower slopes, often with conifers. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: Gros Ventre Area: Flat Creek, 2-4 air mi NW of Flat Creek Ranch.
Open and wooded areas along stream or road. Phenology: flowering.

U.S.A., Wyoming, Teton County: Grand Teton National Park: east side of Teton Park Road, ca 2 air mi S of Signal Mountain Campground, ca 23 air mi N of Jackson.
Sagebrush-steppe dominated by Artemisia tridentata, Poa secunda, Poa pratensis, Bromus carinatus and Elymus spicatus.

U.S.A., Wyoming, Lincoln County: Salt River Range: Greys River Drainage: along Greys River S of Forest Park, ca 14 air mi NE of Afton.
Growing in gravel soil of flood channel with cottonwood, Solidago, and Phacelia hastata. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: Mount Leidy Highland Area: Upper Slide Lake.
Rocky slopes. Phenology: flowering.
with Stuart Markow

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Middle Fork Sage Hen Creek S of Beaver Divide and W of Rattlesnake Hills, 21.2 road mi NE along Agate Flat or BLM Road 2404 from U.S. Hwy 287.
Gravelly, sandy gentle slope, calcareous, and granite outcrops with sagebrush. Phenology: flowering.

U.S.A., Idaho, Washington County: Payette National Forest and Vicinity: Cuddy Mountains: Boundary Trail, just S of Grizzly Basin, ca 8 air mi N of Cambridge; ca 13 air mi W of Council. Also SE/14
Mostly south-facing slopes along fence line with moist drainages. Sampled for molecular study-Rob Massatti, USGS Phenology: flowering & fruiting.
with Phillip G. Lawrence
Accession: RM 876724

U.S.A., Idaho, Adams County: [location and coordinates withheld]
Roadside shrubland. Phenology: flowering & fruiting.

U.S.A., Colorado, Jackson County: Sierra Madre/Park Ranges: Park Range: ca 11 air mi NW of Walden.
Sagebrush prairie.

U.S.A., Colorado, Jackson County: Sierra Madre/Park Ranges: Park Range: ca 1 air mi E of Delaney Butte by Delaney Lakes.
In marshy area by lakes.
with David Culp

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Ferris Mountains: southeast end of range, ca 17.4 air mi N of Independence Rock.
Sagebrush-grassland; red sandy soil; Artemisia nova common. Phenology: flowering & fruiting.
with Kevin J. Taylor

U.S.A., Colorado, Jackson County: Sierra Madre\Park Range: Park Range: ca 11 air mi NW of Walden.
Sagebrush prairie.

U.S.A., Colorado, Jackson County: Sierra Madre\Park Range: Park Range: ca 1 air mi E of Delany Butte by Delany Lakes.
In marshy area by lakes.

U.S.A., Colorado, Jackson County: Sierra Madre\Park Range: Park Range: junction of Forest Roads 600 and 660 at northern end of Big Creek Lake, ca 22 air mi NW of Walden.
Salix dominated meadow.

U.S.A., Wyoming, Carbon County: Sierra Madre/Park Range: Sierra Madre: ca 8 air mi SSE of Miller Hill.
Ridgesides with sagebrush and mountain mahogany grading to scrub aspen.
with Lee Huston and Sunny Kastning

U.S.A., Wyoming, Carbon County: Sierra Madre/Park Range: Sierra Madre: ca 9 mi NNW of Blackhall Mountain, along the Encampment River.
Sagebrush grassland.
with David Culp

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Southern Sublette Range: ca 7 air mi N of Cokeville.
West-facing hillside, lower sage slopes, middle open meadow slopes, and upper Cercocarpus slopes. Phenology: flowering.
with Jane T. Kellett

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Southern Sublette Range: Chalk Creek, ca 7 air mi N of Cokeville.
Hillside seeps, streamside, and sagebrush canyon bottom. Phenology: flowering.
with Jane T. Kellett

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: vicinity of Coal Creek, ca 14 air mi N of Border Junction.
Sagebrush hillside and draw. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: [location and coordinates withheld]
Reservoir edge, meadows, and sagebrush. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Sublette Range: ca 18 air mi N of Cokeville.
Hillside sagebrush, rock outcrops, and aspen groves. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Nugget Canyon, just S of Nugget.
Pondside willows and sagebrush, adjacent sagebrush, and open hillside. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Salt Creek, just S of Bridger-Teton National Forest, ca 25 air mi N of Cokeville.
Pondside willows and sagebrush, adjacent sagebrush, and open hillside. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Hams Fork, ca 2.5 air mi S of Kemmerer.
Riverside meadows, willows, and sagebrush. Phenology: flowering.
with Ronald L. Hartman

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Snow Hollow, ca 1.5 air mi E of Idaho, ca 5.5 air mi SW of Cokeville; ca 29 air mi NW of Kemmerer.
Shaly, loose, soft clay semibarren slopes and level areas with sagebrush. Phenology: flowering.
with C. H. Refsdal

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Underwood Canyon, ca 8 air mi SE of Cokeville.
Shale ridge with sagebrush, Chrysothamnus, and Tetradymia. Phenology: flowering.
with Jane T. Kellett

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Trail Creek, ca 14.5 air mi N of Kemmerer.
Sagebrush hilltop and roadside. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: [location and coordinates withheld]
Windswept rocky grassy hilltop. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Upper Wind River Watershed: upper Lime Kiln Gulch, S of Dubois; road from "Jakeys Fork Trail"; left before road crosses drainage, on north side of fence.
Artemisia tridentata var. wyomingensis stand. Plot 96018 NW, NE, NE Phenology: buds.

U.S.A., Wyoming, Fremont County: Upper Wind River Watershed: Doby Cliff: ca 14 air mi WNW of Dubois; in an area of burned sagebrush, E of Doby Cliff and ca 1 mi S of the main Long Creek Road.
Former Artemisia tridentata stand-now grass. Plot 94035 SW, C Phenology: buds.

U.S.A., Wyoming, Fremont County: Upper Wind River Watershed: Table Mountain: ca 6 air mi E of Dubois; on south slope, near east edge of Table Mountain, and S of 2-track.
Dry grassland. Plot 93053 NE, NW, NW Phenology: fruiting.

Artemisia tridentata var. wyomingensis stand. Plot 96002 NW, SW, NE Phenology: flowering.

U.S.A., Wyoming, Fremont County: Upper Wind River Watershed: terrace above East Fork-Sage Treatment Area: ca 8.5 air mi ENE of Dubois; on 2-track 0.6 mi from main East Fork Road to old fence line; along closed 2-track/old fence line ca 0.5 mi S to row of posts.
Artemisia tridentata var. wyomingensis bladed in rows. Plot 93084 SW, NW, NW Phenology: buds.

U.S.A., Wyoming, Fremont County: Upper Wind River Watershed: Terrace above East Fork at South Boundary of Spence/Moriarity WHMA: ca 9.5 air mi SE of Dubois; up good road from East Fork Road past gravel pit; seventh power pole past hill crest (just before driveway).
Stipa comata stand. Plot 93085 SE, SE, NE Phenology: flowering.
with John Tamsen

U.S.A., Wyoming, Fremont County: Upper Wind River Watershed: Mason Draw road: ca 4 air mi NE of Dubois; main road N past Dubois landfill; E end of the road.
Grassland. Plot 94010 NW, SE, NW Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Upper Wind River Watershed: South Fork to Tappan Creek: ca 8 mi NW of Dubois.
Sagebrush. Plot 94014 SW, SE, SE Phenology: flowering & fruiting.
with Susanne Neumiller

U.S.A., Wyoming, Fremont County: Upper Wind River Watershed: Doby Cliff, ca 14 air mi WNW of Dubois, in an area of burned sagebrush, E of Doby Cliff and ca 1 mi S of the main Long Creek Road.
Former Artemisia tridentata stand-now grass. Plot 94035 SW, C Phenology: fruiting.
with Trudy Dittmar

U.S.A., Colorado, Larimer County: North-central Colorado: west side of Bull Mountain.
East slope badlands pasture; west slope with calciferous, green, and red clay rocky layers; limber pine Sampled for molecular study-Rob Massatti, USGS Phenology: flowering & fruiting.
with Sarah Nunn
Accession: RM 772319

U.S.A., Wyoming, Washakie County: Bighorn Basin: along Platte Pipeline or BLM Road 1430, ca 3/4-1 air mi S of Red Hill, ca 13.5 air mi W of Worland.
Sandy to sandy clay with scattered sagebrush. Phenology: flowering & fruiting.
with Luanne Lum

U.S.A., Wyoming, Washakie County: Bighorn Basin: along Middle Fork Fifteen Mile Creek at Platte Pipeline or BLM Road 1430, ca 15 air mi WNW of Worland.
Old sandbars and first bench above creek bed. Phenology: flowering & fruiting.
with Luanne Lum

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: above the head of Buffalo Springs Creek on a tributary of Nowater Creek, ca 3 air mi N of Hawks Butte, ca 18 air mi SW of Big Trails; ca 32 air mi E of Thermopolis.
Steep, clay slopes and ridgetop with scattered vegetation. Phenology: flowering & fruiting.
with Luanne Lum

U.S.A., Wyoming, Park County: Bighorn Basin: E of BLM Road 1212, ca 16.5 air mi E of Cody and ca 17 air mi SSE of Powell.
Sagebrush. Phenology: flowering & fruiting.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: along Wyo Hwy 170 at Hamilton Dome, ca 15 air mi WNW of Thermopolis.
Sagebrush on sandy soils and rock faces. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Bighorn Basin: along County Road 1AB at Clarks Fork Canyon, ca 25 air mi NNW of Cody.
Sagebrush. Sampled for molecular study-Rob Massatti, USGS Phenology: flowering & fruiting.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: along Gooseberry Creek or County Road 14, ca 16 air mi ESE of Meeteetse.
Sagebrush. Phenology: flowering & fruiting.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: along Gooseberry Creek or County Road 14, ca 15 air mi ESE of Meeteetse.
Sagebrush. Phenology: flowering & fruiting.

U.S.A., Wyoming, Washakie County: Bighorn Basin: along Mobile or BLM Road 1401, ca 9 air mi SE of Worland.
Sagebrush on clayey soil within drainage. Sampled for molecular study-Rob Massatti, USGS Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Bighorn Basin: along access road N at Eagle Pass, ca 10.7 air mi ESE of Cody.
Sagebrush in sandy soil with cobbles. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Bighorn Basin: along County Road 5XS, ca 0.5 air mi S of Sunshine Reservoir and ca 12 air mi SW of Meeteetse.
Pinus flexilis with sagebrush. Sampled for molecular study-Rob Massatti, USGS Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Bighorn Basin: in the vicinity of the confluince of Parker Spring Gulch and Fifteenmile Creek, ca 4 air mi N of Whistle Berry Hill, ca 11.5 air mi ENE of Meeteetse.
Silt/sand or cobble bars and banks along stream channels. Phenology: flowering & fruiting.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: Montgomery Draw Wetland Protection Project ca 1.5 air mi N of Fivemile Creek, ca 7 air mi SW of Manderson; ca 11.5 air mi S of Basin.
Clay slopes and flats adjacent to the reservoir area, with Atriplex and Artemisia. Phenology: flowering.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: along South Fork Elk Creek, ca 7 air mi W of Manderson; ca 8 air mi SSW of Basin.
Silt/sand bars and banks along the stream channel with scattered cottonwood and tamaris thickets. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Bighorn Basin: Chimney Reservoir between Chimney Springs Draw and Fiscus Gulch, ca 3 air mi SE of Castle Gardents, ca 6 air mi S of Ten Sleep.
Dry reservoir bed. Phenology: flowering & fruiting.

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 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, Big Horn County: Bighorn Basin: along BLM Road 1117, ca 3.7 air mi SE of Hyattville.
Juniper and sagebrush on claystone and sandstone. Phenology: flowering & fruiting.

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. Sampled for molecular study-Rob Massatti, USGS Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Bighorn Basin: along Dry Creek at U.S. Hwy 14, 16, & 20 crossing, ca 21 air mi ESE of Cody; ca 29.5 air mi WSW of Greybull.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Teton Reservoir E of Wyo Hwy 71, ca 12.4 air mi S of Rawlins.
Greasewood/sagebrush in vicinity of reservoir. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Bighorn Basin: along County Road 3FK at South Fork Dry Creek, ca 16 air mi SSE of Cody.
Sagebrush on sandy mudstone. Sampled for molecular study-Rob Massatti, USGS Phenology: flowering.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: Sand Draw at Wyo Hwy 17, ca 35 air mi ESE of Worland and ca 19 air mi SE of Meeteetse.
Phenology: flowering & fruiting.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: along Dry Creek and drainage canal, ca 8.5 air mi W of Greybull.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Kindt Reservioir E of Wyo Hwy 71, ca 14.7 air mi SE of Rawlins; ca 13 air mi S of Sinclair.
Dry shores of reservoir lined with Tamarix chinensis. Phenology: flowering & fruiting.

U.S.A., Colorado, Mesa County: [location and coordinates withheld]
At stock pond with Artemisia. Phenology: flowering & fruiting.

U.S.A., Colorado, Mesa County: San Miguel and Lower Dolores River Drainages: along Colo Hwy 141 on Unaweep Divide.
With pinyon, juniper, big sage, and rabbitbrush. Phenology: flowering & fruiting.
with Laura Cosse

U.S.A., Colorado, San Miguel County: [location and coordinates withheld]
Pasture. Phenology: flowering & fruiting.

U.S.A., Colorado, Mesa County: San Miguel and Lower Dolores River Drainages: Sinbad Valley: along headwaters of Salt Creek.
Riparian area with ponderosa pine, oak, and Salix exigua. Phenology: flowering & fruiting.

U.S.A., Colorado, Mesa County: San Miguel and Lower Dolores River Drainages: S of Willow Springs in John Brown Canyon.
Dry, north-facing hillside and Dakota sandstone rim rock. Phenology: flowering & fruiting.

U.S.A., Colorado, Mesa County: San Miguel and Lower Dolores River Drainages: Uncompahgre Plateau.
Mesa with Artemisia and widely scattered pinyon and ponderosa. Phenology: flowering & fruiting.

U.S.A., Colorado, San Miguel County: San Miguel and Lower Dolores River Drainages: along Whipple Mountain Trail.
At beaver ponds. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: Grand Teton National Park: east side of Teton Park Road, ca 2 air mi S of Signal Mountain Campground, ca 23 air mi N of Jackson.
Sagebrush-steppe dominated by Artemisia tridentata, Poa secunda, Poa pratensis, Bromus carinatus, Elymus spicatus and Festuca idahoensis. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Sage Creek W of County Road 401, ca 22 air mi S of Rawlins; ca 19 air mi W of Saratoga.
Along creek; surrounded by greasewood, sagebrush, wild rose, and wild licorice. Sampled for molecular study-Rob Massatti, USGS Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: Middle Fork Popo Agie River trail to lower Hudson Meadow, ca 8 air mi SW of Lander.
Sagebrush grassland. Phenology: flowering.
Accession: USFS 843408, Barcode: USFS0027133

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: Weed Draw to Canyon Creek, ca 12 air mi S of Lander.
Grazed spring and surrounding meadow. Phenology: flowering.
Accession: USFS 843407, Barcode: USFS0027134

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: Weed Draw to Canyon Creek, ca 12 air mi S of Lander.
Sagebrush grassland. Phenology: flowering.
Accession: USFS 843406, Barcode: USFS0027135

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: ca 1/2 mi W Dead Ox Creek, ca 3 air mi W of South Pass City.
Sagebrush grassland. Phenology: flowering.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: Big Meadows, ca 6 air mi E of Yukon Peak.
Sand dunes. Phenology: flowering & fruiting.
Annotated by Walter Fertig in 2012.
with Rick Massatti

U.S.A., Colorado, Gunnison County: Southern Gunnison Basin: along south side of U.S. Hwy 50, ca 7 road mi E of intersection of U.S. Hwy 50 and Colo Hwy 114; ca 7.6 air mi SW of Lookout Mountain; ca 14.2 air mi ESE of Gunnison.
Roadside. Phenology: flowering & fruiting.

U.S.A., Colorado, Dolores County: [location and coordinates withheld]
Pinyon/juniper and sagebrush, dried up seepage with Tamarisk; Southeast facing. Phenology: flowering & fruiting.

U.S.A., Colorado, Montrose County: Upper Dolores River Drainage and Adjacent Areas: ca 18 air mi NW of Naturita, ca 2.5 air mi S of Bedrock, east-side of Dolores River Canyon.
Pinyon-juniper, Artemesia, and Fendlera on the east facing slope of the west side of the canyon. Phenology: flowering & fruiting.

U.S.A., Colorado, Dolores County: [location and coordinates withheld]
Elev. 2100 m.
Pinyon-juniper disturberd area along farming roads. Phenology: flowering & fruiting.
with Marie Rambo

U.S.A., Wyoming, Fremont County: Wetlands and Adjacent Areas: west end of Lake Camaehwait (Bass Lake), ca 2 air mi W of Boysen Reservoir, ca 8.5 air mi NW of Shoshoni; ca 20 air mi NNE of Riverton.
Stony sandy or clay slopes and adjacent flats above the lake. Phenology: flowering.
Annotated by Rachel Newton.
with Rob Massatti and Rachel Newton

U.S.A., Wyoming, Goshen County: Wetlands and Adjacent Areas: Sandy Beach, Guernsey Reservoir, ca 5 air mi NW of Guernsey.
Sandy beach and uplands. Phenology: flowering & fruiting.

U.S.A., Wyoming, Lincoln County: Wetlands and Adjacent Areas: Coal Creek, ca 12 air mi NNE of Cokeville.
Dry uplands. Phenology: flowering & fruiting.

U.S.A., Wyoming, Lincoln County: Wetlands and Adjacent Areas: Fontenelle Creek, ca 14 air mi SSW of La Barge.
Dry rocky uplands. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Wetlands and Adjacent Areas: Hams Fork, ca 8 air mi NW of Kemmerer.
Dry rocky uplands. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Wetlands and Adjacent Areas: pond, ca 22 air mi NE of Riverton.
Dry uplands. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: Wetlands and Adjacent Areas: New Fork Lakes, ca 17 air mi N of Pinedale.
Dry uplands. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Wetlands and Adjacent Areas: Boulder Creek, ca 13 air mi E of Pinedale.
Dry forested uplands bordering creek. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Wetlands and Adjacent Areas: Big Creek, ca 17 air mi SE of Encampment.
Dry, rocky uplands. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Wetlands and Adjacent Areas: Camel Hump Reservoir, ca 16 mi WSW of Midwest.
Along dry, disturbed uplands. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Fiddlers Green Reservoir E of County Road 115, ca 6 air mi N of Elk Mountain townsite.
Perimeter of reservoir comprised of graminoids and scattered forbs. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Wetlands and Adjacent Areas: dried up lake, ca 16 air mi WSW of Midwest.
Dried lake bottom and surrounding uplands. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Wetlands and Adjacent Areas: small pond, ca 21 air mi W of Midwest.
Dry, grazed uplands. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Wetlands and Adjacent Areas: Brokenback Creek, ca 6 air mi NNW of Ten Sleep.
Dry sandy uplands. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: Wetlands and Adjacent Areas: Duck Creek, ca 4 air mi W of Pinedale.
Dry, rocky uplands. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: Wetlands and Adjacent Areas: New Fork Lakes, ca 17 air mi N of Pinedale.
Rocky, exposed hillside. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Wetlands and Adjacent Areas: Belle Fouche River, ca 1 air mi NW of Moorcroft.
Dry uplands. Phenology: flowering & fruiting.

U.S.A., Colorado, Larimer County: North-central Colorado: west side of Bull Mountain.
East slope badlands pasture; west slope with calciferous, green, and red clay rocky layers; limber pine Phenology: flowering & fruiting.
with Sarah Nunn

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Seminoe Reservoir, ca 6 air mi SE of Seminoe Dam; ca 21.2 air mi NW of Hanna.
Sandy embankments of reservoir with tamarix and at the edge of sagebrush/greasewood flats. Phenology: flowering & fruiting.

U.S.A., Colorado, Larimer County: Roosevelt National Forest and Vicinity: Front Range: Pfister Draw State Wildlife Management Area: off Laramie River Road (County Road 103), ca 50 air mi NW of Fort Collins.
Flat Artemisia rangeland, with some dry red sandstone and white calcareous soils and marshy in draw bottom. Phenology: flowering.

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Front Range: 1.5 mi W of Kinikinik, off Colo Hwy 14, ca 32 air mi W of Fort Collins.
Forested river edge with aspen and Colorado blue spruce. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: On the western side of Flaming Gorge Reservoir, near Utah.
41.0549° N, 109.6205° W; NAD 83, uncertainty 2 mi., Digital Map
Sagebrush-shadscale desert. Locally common. Phenology: flowering & fruiting.
with Marjorie W. Porter

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: tributary of Second Sand Creek, ca 7.6 air mi NE of Elk Mountain townsite; ca 10.4 air mi SW of Medicine Bow townsite.
South facing sandy hillside with patches of sagebrush, rabbitbrush, and bitterbrush. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: [location and coordinates withheld]
Sandy knoll with scattered ponderosa pine leading into draw and flats of sagebrush, rabbitbrush, and bitterbrush. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Second Sand Creek, ca 7 air mi NE of Elk Mountain townsite; ca 11 air mi SW of Medicine Bow townsite.
Dry creek bottom. Phenology: flowering & fruiting.

U.S.A., Wyoming, Hot Springs County: Owl Creek/Bridger Mountains: Gumbo Hills, ca 3 air mi E of Hamilton Dome.
Gumbo clay hills and slopes.
with B. E. Nelson

U.S.A., Wyoming, Hot Springs County: Owl Creek/Bridger Mountains: ridge and gully W of Rattlesnake Gulch, ca 14 air mi SE of Hamilton Dome; ca 6 air mi NW of Thermopolis.
Sandstone ridge and mud\clay gully.

U.S.A., Wyoming, Hot Springs County: Owl Creek/Bridger Mountains: divide between Coulee Creek (Sand Draw) and Grass Creek Basin, ca 30 air mi NW of Thermopolis; ca 13 air mi NNW of Hamilton Dome.
Artemisia tridentata grasslands and low hills.

U.S.A., Wyoming, Hot Springs County: Owl Creek/Bridger Mountains: Hogback Ridge, ca 7 air mi NNW of Hamilton Dome; ca 25 air mi NW of Thermopolis.
South-facing slopes of ridge composed of sandstone, conglomerate, and mudstone.

U.S.A., Wyoming, Hot Springs County: Owl Creek/Bridger Mountains: cliffs on east side of Wind River Canyon, ca 12 air mi SSE of Thermopolis; ca 20 air mi N of Shoshoni.
T6N R6E S15; also T41N R94W S21 and S28
Dry, west-facing hillside and cliffs.
with Clay Lippencott

U.S.A., Wyoming, Hot Springs County: Owl Creek/Bridger Mountains: dipslope W of Wagonhound Bench, ca 29 air mi NW of Thermopolis; ca 6 air mi NW of Hamilton Dome.
Southwest-facing, sandstone dipslope with ponderosa pines.
with George Jones

U.S.A., Wyoming, Natrona County: Western High Plains; dune fields northeast of Casper, 8 miles north of Casper on Interstate 24 and then 8 air miles northeast.
TN RW S30 SE1/4
On flanking slope of active blowout, with Psoralidium lanceolatum, Redfieldia flexuosa, Lesquerella arenosa. Occasional. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Mt. Wagner, southeast of Smoot.
42.5909° N, 110.8056° W; NAD 83, uncertainty 1 mi., Digital Map
Phenology: flowering & fruiting.
with George M. Armstrong

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Shirley Mountains: First Ranch Creek and vicinity W of Shirley Mountain Loop or BLM Road 3115, ca 19.5 air mi NNE of Hanna.
South facing hillside of chokecherry and other shrubs with outcrops of limestone. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Bighorn Basin: along the south side of Buffalo Bill Reservoir, ca 10 mi SW of Cody.
Rocky, muddy shoreline (below highwater mark), dominant species include Rorippa calycina, Rumex crispus and Veronica peregrina var. xalapensis. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Bighorn Basin: along the south side of Buffalo Bill Reservoir, ca 10 mi SW of Cody.
Ridge above reservoir with Allium textile, Arenaria hookeri and Artemisia nova.

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, Park County: Southeastern Absaroka Mountains: along Hunter Creek Trail, ca 2-3 mi E of South Fork Ranger Station, ca 43 mi SW of Cody.
Douglas fir forest on west facing slope, prominent species include Aster perelegans, Juniperus communis, and Galium boreale.

U.S.A., Wyoming, Park County: Southwestern Absaroka Mountains: Deer Creek Canyon, ca 3/4 mi W of canyon mouth; ca 44 mi SW of Cody.
Along trail on south side of canyon on open, rocky, steep south facing slope with scattered limber pine and Douglas fir. Associated species include Elymus spicatus, Oryzopsis hymenoides, et. al. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: along Green River Lake Road, ca 10 mi W of Lower Green River Lake.
In disturbed soil of road shoulder. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: along Elk Fork Creek, ca 9-10 mi S of U.S. Hwy 14, 16, & 20.
On sand and gravel bars.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: ca 0.5-1 mi N of North Fork Shoshone River and 1.5-2.5 mi W of Big Creek.
On open, dry ridge with scattered Pinus flexilis and Pseudotsuga menziesii.

U.S.A., Wyoming, Park County: Southwestern Absarokas: Ishawooa Mesa, ca 40 mi SW of Cody.
Subalpine meadow-parkland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: sand dunes W of County Road 351, ca 4.4 air mi SW of Seminoe Dam; ca 23.5 air mi NE of Sinclair.
Sand dunes; open areas and knolls of Artemisia cana, Psoralidium lanceolatum, and Chrysothamnus sp. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: immediately E of the mouth of Grinnell Creek, just S of U.S. Hwy 14, 16, & 20.
On alluvium under open, young lodgepole pine. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Along west bank of Glendo Reservoir, 3 road mi E of Glendo.
42.5133° N, 104.9984° W; NAD 83, uncertainty .5 mi., Nat. Geog. TOPO!
Bank of reservoir. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: Red Mountain and vicinity: two track road to summit of Red Mountain, ca 5.5-6.0 air mi SE of Jelm Mountain.
Disturbed area on sagebrush flat. Phenology: flowering.
with Mari Combs and Marie

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: Red Mountain and vicinity: two track road to summit of Red Mountain, ca 5.5 air mi SE of Jelm Mountain.
Disturbed area on sagebrush-grassland flats. Phenology: flowering.
with Halli Buller

U.S.A., Wyoming, Johnson County: Powder River Basin: banks of the Powder River ca 21 mi E of Kaycee.
Sparse Populus deltoides stand with understory of Elymus smithii, Bromus tectorum, Atriplex subspicata, and Kochia scoparia on sandy-gravel terrace. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Central Wyoming College campus. Behind the apartments.
Phenology: fruiting.
N'tula Matuli Rosaline, 61B. 10/6/1997.

U.S.A., Wyoming, Platte County: Camp Guernsey: near Warm Springs.
Elev. 1359 m.
Level floodplain in sand with Artemisia, Bromus, Calamovilfa, Euphorbia, and Populus spp. Phenology: flowering & fruiting.
Patricia P. Douglas, 421a. 8/21/1995.
with B. E. Nelson, R. M. Smith, N. E. Hastings

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Saratoga Lake E of Wyo Hwy 130, ca 1.2 air mi ENE of Saratoga; ca 18 air mi N of Encampment.
Wetlands and disturbed gravelly area surrounding lake. Sampled for molecular study-Rob Massatti, USGS Phenology: flowering & fruiting.

U.S.A., Wyoming, Niobrara County: 9 mi NNE of Mule Creek Junction.
Grassland with Bouteloua and Atriplex. Rays lavender. Phenology: flowering.

U.S.A., Wyoming, Platte County: 18 mi NW of Wheatland.
Moist grassland with Bouteloua and Aster. Rays lavender. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Fort Steele State Recreation Area, ca 6.6 air mi NW of Walcott Junction; ca 8.4 air mi E of Sinclair.
Gravelly area among fort ruins; disturbed. Sampled for molecular study-Rob Massatti, USGS Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Along road to Muddy Mountain.
Roadcut. Phenology: flowering & fruiting.
with Jane P. Nelson

U.S.A., Wyoming, Fremont County: West Slope Wind River Range: Acorn Ridge, ca 4 air mi NW of Wyoming Highway 28, ca 37 air mi NE of Farson.
Broken shale and quartz outcrop on south face of ridge. Phenology: flowering & fruiting.
with Janie Stuttmann

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: foothills ca 3.5 air mi W of Arlington, ca 1 mi NE of White Rock Canyon.
Artemisia tridentata-Purhsia- Symphoricarpos oreophilus grassland with scattered limber pine on sandy slopes and roadsides. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Washakie Basin: east bank of Sand Creek ca 1/4 mi N of County Road 700, ca 1/4 mi W of Carbon County, ca 14 air mi WNW of Baggs.
Shaley barrens in Atriplex gardneri-Oryzopsis hymenoides-Elymus elymoides community on bluffs above dry river bed. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Green River Basin: ridge on north side of Chicken Springs Road, ca 4 3/4 air mi W of Chicken Springs.
T23N R105W S7 center
Stabilized sand dune dominated by Artemisia tridentata, Chrysothamnus viscidiflorus, and scattered Grayia and Sarcobatus. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie Basin: flats on south side of Spring Creek, N of I-80 near U.S. Hwy 287 exit (3rd St. exit) on south side Laramie.
Moist, whitish alkali-clay flants dominated by Distichlis, Hordeum, Muhlenbergia asperifolia, and Juncus balticus within matrix of semi-disturbed Sarcobatus vermiculatus. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: West foothills Laramie Range: along tributary wash of Spring Creek on north side of U.S. Hwy 30 at east end of Laramie.
Reddish sandy soil in bottom of dry wash and adjacent terraces dominated by Eriogonum microthecum, Gutierrezia sarothrae, Heterotheca, Agropyron cristatum, and Stipa comata. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: West foothills Laramie Range: along tributary wash of Spring Creek on north side of U.S. Hwy 30 at east end of Laramie.
Reddish sandy soil in bottom of dry wash and adjacent terraces dominated by Eriogonum microthecum, Gutierrezia sarothrae, Heterotheca, Agropyron cristatum, and Stipa comata Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Medicine Bow Range: along Forest Road 311 at southwest base of Sheep Mountain, ca 2.3 mi E of Lake Owen; ca 10 air mi SE of Centennial.
Base of southwest facing slope on deep moll soil; community of Artemisia tridentata/Chrysothamnus nauseosus. Phenology: flowering & fruiting.
with Laura Welp

U.S.A., Wyoming, Carbon County: Great Divide Basin: sand dune complex 2 1/4 air mi N of Table Mountain, ca 2 1/4 mi S of Ferris; ca 12 mi E of U.S. Hwy 287.
Partly stabilized sandy flats at top of shifting dune; community dominated by Psoralidium lanceolatum and Oryzopsis hymenoides. Sampled for molecular study-Rob Massatti, USGS Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Ferris Mountains: south side of range S of Youngs Pass, ca 11 air mi SE of Three Forks Junction; ca 14.2 air mi E of Bairoil.
Rocky slope in limber pine-Douglas fir forest. Phenology: flowering & fruiting.

U.S.A., New Mexico, Valencia County: Cibola National Forest; Blue Water Creek.
Phenology: flowering & fruiting.
Annotated by Elinor Lehto in 1981.
Accession: RMRS (unaccessioned)

U.S.A., Arizona, Pima County: Tucson; Grossetta's Ranch.
Accession: RMRS (unaccessioned)

U.S.A., Arizona, Pima County: Rogemont(?); Davison's Canyon.
Accession: RMRS (unaccessioned)

U.S.A., New Mexico, Grant County: Ft. Bayard Experiment Area.
Annotated by Elinor Lehto.

U.S.A., Colorado, Jackson County: North-central Colorado: North Park: along County Road 11, ca 1-1.5 mi S of County Road 28, ca 3-3.5 air mi NW of Buffalo Peak; ca 11.5 air mi WNW of Rand; ca 16-16.5 air mi SSW of Walden.
Roadside in sagebrush-rabbitbrush-grassland. Phenology: flowering & fruiting.

U.S.A., Colorado, Jackson County: North-central Colorado: North Park: along Colo Hwy 125 just N of the Canadian River, ca 1/3 mi N of Cowdrey; ca 9.5 air mi N of Walden.
Road shoulder. Phenology: flowering & fruiting.
Annotated by Ronald L. Hartman.

U.S.A., Colorado, Jackson County: North-central Colorado: North Park: 3.5-4.5 air mi SW of Delaney Butte, ca 14-15 air mi WSW of Walden.
Roadside, sagebrush flats, and irrigation ditch. Sampled for molecular study-Rob Massatti, USGS Phenology: flowering & fruiting.

U.S.A., Colorado, Jackson County: North-central Colorado: Medicine Bow Mountains: Forest Road 895 at private land and W to North Platte River, then
Limber pine and Douglas fir in rock outcrops above, sagebrush slopes, grassy flood plain of river. Phenology: flowering & fruiting.

U.S.A., Colorado, Jackson County: North-central Colorado: North Park: along Colo Hwy 14 in the vicinity of County Road 9 on the north-east side of Peterson Ridge, ca 6.5-7 air mi SW of Walden.
Roadside with dense cover of rabbitbrush. Phenology: flowering & fruiting.

U.S.A., Colorado, Jackson County: North-central Colorado: North Park: along County Road 6 in the vicinity of Trappers Gulch at the south end of Battle Ridge, ca 11 air mi WNW of Cowdrey; ca 17 air mi NW of Walden.
Roadside on rolling sagebrush steppe. Phenology: flowering & fruiting.

U.S.A., Colorado, Jackson County: North-central Colorado: Medicine Bow Mountains: Colorado State Forest State Park: along County Road 8A, 3.1 road mi from County Road 8.
Streamside and adjacent redbeds. Phenology: flowering & fruiting.
Annotated by B. E. Nelson.

U.S.A., Colorado, Jackson County: North-central Colorado: Medicine Bow Mountains: Forest Road 889, 6.5 road mi S of Colo Hwy 127, at intersection with Forest Road 889.1B.
Lodgepole pine forest and cleancuts. Phenology: flowering & fruiting.
Annotated by B. E. Nelson.

U.S.A., Colorado, Jackson County: North-central Colorado: North Park: Carlstrom Reservoir (Cowdrey Lake), ca 1.2 air mi S of Cowdrey.
Shoreline to sagebrush uplands including old railroad bed and irrigation ditch. Sampled for molecular study-Rob Massatti, USGS Phenology: flowering & fruiting.

U.S.A., Colorado, Jackson County: North-central Colorado: Medicine Bow Mountains: County Road 8A, 1 mi from County Road 8, then SE on hogback to gap.
Sagebrush and sandstone outcrops with ponderosa and limber pine. Phenology: flowering & fruiting.

U.S.A., Colorado, Jackson County: Medicine Bow Mountains: Colorado State Forest: East Sand Hills Natural Area: ca 10 air mi E of Walden.
West facing sand dunes with Artemisia. Sampled for molecular study-Rob Massatti, USGS Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Washakie Basin: top and upper slopes of Delaney Rim, ca 4 air mi W of northernmost point of Delaney Rim; ca 13.5 air mi WSW of Wamsutter.
Sagebrush draw above rim. TRS correct in database, incorrect on label. Phenology: flowering.

U.S.A., South Dakota, Fall River County: 3 mi SW of Edgemont.
T9S R2E S15
Common along road. Phenology: flowering.
Annotated by D. R. Morgan in 2003.

U.S.A., South Dakota, Harding County: Headwaters, South Fork Grand River.
T17N R3E S11
Loose sand. Phenology: flowering & fruiting.
Annotated by D. R. Morgan in 2003.

U.S.A., South Dakota, Harding County: Moreau River Valley: Soft Water Creek.
T16N R5E S26
Clay bluff. Phenology: flowering.
Annotated by B. L. Turner in 1986.

U.S.A., Wyoming, Carbon County: [location and coordinates withheld]
Big sagebrush draw in surrounding sagebrush grasslands; dry sandy soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Laramie Range: along unnamed creek, ca 18.5 air mi SW of Esterbrook; ca 21.5 air mi SW of Douglas.
Creekside Sampled for molecular study-Rob Massatti, USGS Phenology: flowering & fruiting.
with J. Brondum and T. McGowan

U.S.A., Wyoming, Albany County: Laramie Range: along Bear Creek, ca 33 air mi SW of Douglas.
Rock outcrops. Phenology: flowering & fruiting.
with J. Brondum and T. McGowan

U.S.A., Wyoming, Natrona County: Laramie Range: Deer Creek Range: ca 18 air mi SE of Casper.
Steep hillside. Phenology: flowering & fruiting.
with J. Brondum and T. McGowan

U.S.A., Colorado, Gunnison County: Gunnison.
Phenology: flowering.
Annotated by D. R. Morgan in 2003.
1.
Annotated by Edward L. Greene in 2003.

U.S.A., Wyoming, Albany County: Laramie Range: along Esterbrook or County Road 710 between Hay Draw and Antelope Creek, ca 2 air mi NW of Sugarloaf Mountain, ca 64 air mi N of Laramie; ca 39 air mi SSW of Douglas.
Roadside. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Laramie Range: along Boulder Creek and vicinity off Marshall or County Road 610, ca 3.5-4 air mi NE of Marshall, ca 74 air mi N of Laramie; ca 35.5 air mi S of Glenrock.
Rocky slopes with outcrops and areas of "pavement". Phenology: flowering & fruiting.

, Colorado, Larimer County: North Park.

U.S.A., Colorado, Gunnison County: Pitkin.
Open ground. Phenology: flowering.

U.S.A., Colorado, Arapahoe County: Buckley Air Force Base: along west portion of Toll Gate Creek; southeast end of transect 1.05 km E of south gate entrance. 520775E 4394121N to 520261E 4394292N.
Elev. 1688 m.
Rolling with moderately sloped banks in cottonwood/willow community on silt-like to sandy loam; with Populus deltoides ssp. monilifera, Salix exigua, S. amygdaloides, Carduus nutans, Cirsium arvense, Glycyrrhiza lepidota, Verbascum thapsus, Nepeta cataria. Phenology: flowering.
with N. E. Hastings

U.S.A., Wyoming, Converse County: Laramie Range: along Poison Lake or County Road 4 about halfway between Poison Lake and Wagon Hound Creek, ca 12.5 air mi SW of Douglas.
Mountain mahogany slope with numerous rock outcrops. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Laramie Range: along Smith Creek below Otter Creek at the east end of Muddy Mountain on Smith Creek or County Road 607, ca 16 air mi SE of Casper.
Rocky, gentle sagebrush slope. Phenology: flowering & fruiting.

U.S.A., Colorado, Arapahoe County: Buckley Air Force Base: north end of transect 870 m N of southwest corner of the installation. 521299E 4393122N to 521762E 4392760N.
Rolling shortgrass prairie on silt-like loam; with Artemisia frigida, A. ludoviciana, Linaria dalmatica ssp. dalmatica, Hesperostipa comata, Pascopyrum smithii, Bromus inermis, B. tectorum. Phenology: flowering.
with C. Bern

U.S.A., Wyoming, Natrona County: [location and coordinates withheld]
Sandy open ponderosa pine forest. Phenology: flowering & fruiting.
Annotated by B. A. Packer.

U.S.A., Wyoming, Albany County: [location and coordinates withheld]
Rocky threetip sagebrush slopes and flats. Phenology: flowering & fruiting.

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., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Tunp Range: Rock Creek Ridge, ridge along upper reaches of Antelope Creek.
Rock outcrops and slopes. Phenology: flowering.

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, Lincoln County: Southern Salt River Range and Vicinity: Southern Sublette Range: ca 7 air mi N of Cokeville.
West facing hillside, lower sage slopes, middle open meadow slopes, and upper slopes. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Chalk Creek, ca 7 air mi N of Cokeville.
Hillside seeps, streamside, and sagebrush canyon bottom. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Green River Basin: south side of Fontenelle Gap, ca 15 air mi W of Fontenelle Reservoir.
Hillside sagebrush and Douglas fir stands. Phenology: flowering & fruiting.

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Lake Viva Naughton, ca 13 air mi NNW of Kemmerer.
Reservoir edge, meadows, and sagebrush. Phenology: flowering.

U.S.A., Idaho, Madison County: Targhee National Forest: Big Hole Mountains: Spori Canyon, ca 9 air mi E of Heise.
T4N R42E S21
Calcareous outcrops on ridge, with scattered Juniperus, Pinus flexilis, and Pseudotsuga and canyon slopes and bottoms; ridge.
with Rafael Molina

U.S.A., Idaho, Madison County: Targhee National Forest: Big Hole Mountains: Forest Service Road 213 beyond Hinckley Creek, ca 11 air mi E of Heise.
Mountain slopes.
with Rafael Molina

U.S.A., Idaho, Bonneville County: Targhee National Forest: Snake River Range: ridge between Conglomerate Canyon and Little Elk Creek.
T1S R45E S1; 2
Open ridge.
with Rafael Molina

U.S.A., Wyoming, Teton County: Targhee National Forest: West Slope Teton Range: slope above South Badger Creek, ca 10.5 air mi NE of Tetonia, Idaho.
Lodgepole pine forest Phenology: flowering & fruiting.

U.S.A., Idaho, Clark County: Targhee National Forest: Beaverhead Range: along Crooked Creek in Crooked Creek Canyon, ca 26 air mi NW of Dubois.
T11N R32E S17; also S20
Open canyon bottom dominated by Artemisia, Chrysothamnus, and forbs.

U.S.A., Idaho, Clark County: Targhee National Forest and vicinity: Beaverhead Range: above and E of Deadman Canyon, ca 28 air mi W of Dubois.
Mostly Elymus spicatus and forbs, scattered Artemisia.

U.S.A., Idaho, Clark County: Targhee National Forest: Beaverhead Range: ridge between Gallagher Canyon and Blue Canyon, ca 26 air mi W of Dubois.
Mostly forbs and grasses, scattered Artemisia.

U.S.A., Idaho, Clark County: Targhee National Forest: Western Centennial Mountains: above head of Pleasant Valley Creek, ca 8.5 air mi NW of Spencer.
Open slope with mostly Artemisia, grasses, and scattered forbs.

U.S.A., Idaho, Fremont County: Targhee National Forest: Island Park Plateau: Lucky Dog Creek, ca 0.5 air mi E of confluence with Moose Creek, ca 15 air mi SW of West Yellowstone, Montana.
Riparian, dominated by Carex, Salix, and Agrostis.

U.S.A., Idaho, Lemhi County: Targhee National Forest: Beaverhead Range: lower reaches of Scott Canyon, ca 6 air mi SE of Nicholia.
Mostly Artemisia and Chrysothamnus.

U.S.A., Idaho, Madison County: Targhee National Forest: West Slope Big Hole Mountains: Base of Chicken Peak to summit of Liars Peak.
T3N R43E S2; also S11
Open slopes dominated by shrubs and forbs, with scattered patches of Abies lasiocarpa.

U.S.A., Wyoming, Teton County: Targhee National Forest: West Slope Teton Range: E of Miles Creek Trail, to ridge overlooking Leigh Lakes, ca 11 air mi NE of Driggs, Idaho.
Open slopes and ridges, dominated by forbs and bunchgrass with occasional patches of Pinus albicaulis and Picea engelmannii.

U.S.A., Idaho, Clark County: Targhee National Forest: Beaverhead Range: Reno Gulch, ca 27 air mi SW of Dubois.
T9N R32E S19; also S30
Canyon bottom dominated by Artemisia, Chrysothamnus, and grasses, with scattered Juniperus.

U.S.A., Idaho, Lemhi County: Targhee National Forest and vicinity: Birch Creek Valley: ca 0.5 air mi W of Nicholia.
Sagebrush flat, mostly Artemisia and Chrysothamnus, a few scattered grasses.

U.S.A., Idaho, Clark County: Targhee National Forest: Western Centennial Mountains: 0.5 mi N of entrance to Huntley Canyon, ca 1 air mi NW of Spencer.
44.3681° N, 112.186° W; NAD 83, uncertainty 1 mi., Nat. Geog. TOPO!
Open slope dominated by Artemisia, Symphoricarpos, and grasses, with many roadside weeds.

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

U.S.A., Wyoming, Natrona County: Laramie Range: off of Wyo Hwy 487, ca 40 air mi SE of Casper on County Road 402.
Dry creekbeds. Phenology: flowering & fruiting.
with T. McGowan & J. Brondum

U.S.A., Wyoming, Carbon County: South-central Wyoming: Sierra Madre: along the Continental Divide off Sage Creek or County Road 401, ca 26 air mi S of Rawlins.
Sandy cut bank in sagebrush grassland. Phenology: flowering.

U.S.A., Wyoming, Carbon County: South-central Wyoming: Sierra Madre: along the Continental Divide on Miller Hill off Miller Hill or County Road 505, ca 18.5 air mi S of Rawlins; ca 6.5 air mi ESE of Bridger Pass.
Roadcut bank. Phenology: flowering.

U.S.A., Wyoming, Carbon County: South-central Wyoming: Sierra Madre: near the head of Littlefield Creek drainage, ca 26 air mi S of Rawlins; ca 29 air mi NE of Baggs.
Sagebrush slopes near aspen woods. Phenology: flowering.

Sagebrush upland. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: along Bitter Creek S or County Road 19S at the west base of Kinney Rim, ca 41.5 air mi SE of Rock Springs; ca 35 air mi S of Point of Rocks.
Sagebrush-snowberry-rabbitbrush patch. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Rock Springs Uplift: along Alkali Wash below Patrick Draw or County Road 24, ca 3.5 air mi WNW of Pine Butte, ca 29 air mi SE of Rock Springs; ca 24 air mi S of Point of Rocks.
Sand bars and sandy banks along the channel. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Rock Springs Uplift: ridge ca 1 mi N of Alkali Wash and opposite BLM Road 4408 along Patrick Draw or County Road 24, ca 6-7 air mi NW of Pine Butte; ca 29 air mi SE of Rock Springs.
Desert shrub slopes and flats. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Washakie Basin: along Patrick Draw or County Road 24, ca 1.5 air mi SW of Bitter Creek siding, ca 32.5 air mi E of Rock Springs; ca 31.5 air mi WSW of Wamsutter.
Gentle slope with scattered sagebrush. Phenology: flowering.

Low, stony ridge. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Washakie Basin: along BLM Road 4412 in the Shell Creek drainage, ca 3.5 air mi SE of the Eversole Ranch, ca 44 air mi SE of Rock Springs; ca 25.5 air mi SW of Wamsutter.
Low, brushy sand dunes. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: along BLM Road 4412 at the edge of Skull Creek Rim above Skull Creek, ca 55 air mi SE of Rock Springs; ca 35 air mi W of Baggs.
Sandy flats with sagebrush and rabbitbrush. Phenology: flowering.

U.S.A., Wyoming, Carbon County: South-central Wyoming: Sierra Madre: along a small tributary of Savery Creek and Browns Hill or County Road 602, ca 2.3 air mi NW of Tullis; ca 36.5 air mi S of Rawlins; ca 21 air mi NE of Baggs.
Steep, rocky hillside with sagebrush, rabbitbrush, and antelopebrush at the base and lower slope. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Washakie Basin: N of Barrel Springs and the Overland Trail crossing of Barrel Springs Draw between the south end of Delaney Rim and east end of The Haystacks, ca 16 air mi SSW of Wamsutter.
Low sand dunes covered with Chrysothamnus, Grayia, Artemisia, and Sarcobatus and adjacent sandy clay flats. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Washakie Basin: east end of The Haystacks, ca 56 air mi ESE of Rock Springs; ca 19.5 air mi SSW of Wamsutter.
Low sand dunes at the base of the badlands. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Washakie Basin: vicinity of Willow Reservoir between the east end of The Haystacks and Salazar Butte, ca 59.5 air mi ESE of Rock Springs; ca 22.5 air mi SSW of Wamsutter.
Low sand dunes covered with Artemisia, Chrysothamnus, and Grayia. Phenology: flowering.

U.S.A., Wyoming, Carbon County: South-central Wyoming: ca 0.5 mi SW of Bridger Pass on the southeast edge of Atlantic Rim, ca 20 air mi SW of Rawlins.
Sagebrush slopes. Phenology: flowering.

U.S.A., Wyoming, Carbon County: South-central Wyoming: along Muddy Creek and the Overland Trail, ca 6 air mi SW of Bridger Pass, ca 25 air mi SW of Rawlins; ca 31.5 air mi NNE of Baggs.
Stony slopes with scattered low sagebrush. Phenology: flowering.

U.S.A., Wyoming, Carbon County: South-central Wyoming: along Littlefield Creek and vicinity, ca 0.5 mi above Muddy Creek, ca 25 air mi SSW of Rawlins.
Sagebrush slopes. Phenology: flowering.

U.S.A., Wyoming, Carbon County: South-central Wyoming: along Deep Gulch just above Cow Creek, ca 7 air mi E of Dad on Mexican Flats, ca 38 air mi SW of Rawlins; ca 20.5 air mi N of Baggs.
Small sandy areas on greasewood flats. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Washakie Basin: top and north slopes of Powder Mountain, ca 29 air mi W of Baggs.
Rocky slope. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: northeastern slopes and draws of Richards Mountain, ca 2 air mi NW of Richards Gap; ca 37 air mi SSW of Rock Springs.
South-facing slope. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Green River Basin: north and south slopes and top of Pilot Butte, ca 3 air mi W of White Mountain; ca 6.5 air mi NW of Rock Springs.
Southern slope. Phenology: flowering.

U.S.A., Wyoming, Carbon County: South-central Wyoming: Bear Gulch drainage from unnamed, north/south oriented plateau, ca 1 air mi N of Cow Creek to The Sand Hills and Dry Cow Creek; ca 29 air mi SSW of Rawlins.
Dry hillside. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Washakie Basin: in East Haystack Wash, ca 6 air mi S of The Haystacks; ca 5 air mi WNW of Salazar Butte; ca 25 air mi SW of Wamsutter.
Sand dune. Phenology: flowering.

U.S.A., Wyoming, Carbon County: South-central Wyoming: Alamosa Gulch just south of the Continental Divide and north of Slide Draw, ca 22 air mi SSW of Rawlins.
Sagebrush slope. Phenology: flowering.

U.S.A., Wyoming, Carbon County: South-central Wyoming: on east side of Atlantic Rim, ca 2 air mi SW of Bridger Pass; ca 20.5 air mi SSW of Rawlins.
Sagebrush slope. Phenology: flowering.

U.S.A., Wyoming, Carbon County: South-central Wyoming: spring area and adjacent land along Cherokee Creek, ca 1 air mi NNW of Smiley Draw; ca 40 air mi SSW of Rawlins.
Dry land adjacent to spring. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Rock Springs Uplift: north facing drainages into Scheggs Draw, ca 1 air mi W of Rifes Rim; ca 33 air mi SE of Rock Springs.
Sandy soil. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Rock Springs Uplift: north facing slope of Dry Canyon, ca 2 air mi W of Pio Reservoir; ca 6 air mi NNE of Potter Mountain; ca 27.5 air mi SSE of Rock Springs.
Rocky slope. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Rock Springs Uplift: southeastern top and upper slopes of Potter Mountain, including draw trending to the northeast on the east side of the mountain, ca 8 air mi NNE of Pine Mountain; ca 32 air mi SSE of Rock Springs.
Northeast-facing draw. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Washakie Basin: top and upper slopes of Delaney Rim, ca 4 air mi W of northernmost point of Delaney Rim; ca 13.5 air mi WSW of Wamsutter.
Sagebrush draw above rim. Phenology: flowering.
Accession: 670554

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Washakie Basin: top and slopes of Delaney Rim to flats below, ca 1 air mi S of Wells Bluff; ca 10 air mi SSW of Wamsutter.
Sagebrush flat above rim. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Washakie Basin: N off Powder Rim to Grindstone Wash, ca 2 air mi NE of Powder Mountain; ca 27 air mi WNW of Baggs.
Badlands slope. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: dry Upper Powder Spring and vicinity, ca 2 air mi WSW of Powder Mountain; ca 31 air mi W of Baggs.
Creek terrace. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Rock Springs Uplift: south facing draws on drainage from Black Buttes area, ca 3 air mi NNE of Black Buttes; ca 1.5 air mi W of Bitter Creek; ca 22 air mi ENE of Rock Springs.
Sandy draw. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Rock Springs Uplift: north slopes of Black Buttes, ca 5 air mi W of Bitter Creek; ca 21 air mi ESE of Rock Springs.
Draw in steep slope. Phenology: flowering.

East-facing slope. Phenology: flowering.
Accession: 670660

U.S.A., Wyoming, Carbon County: South-central Wyoming: Sierra Madre: below Rendle Rim, ca 1 air mi SSW of Rendle Butte; ca 30.5 air mi SSW of Rawlins.
Dry slope. Phenology: flowering.

U.S.A., Wyoming, Carbon County: South-central Wyoming: Sierra Madre: near headwaters of Wild Cow Creek, ca 3 air mi SW of Rendle Butte; ca 33 air mi SSW of Rawlins.
Dry hillside. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: draws and slopes and creek bottom of Alkali Wash, ca 6 air mi SW of Oregon Buttes; ca 25.5 air mi ENE of Farson.
North-facing clay slope. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: Green River Basin: streambank and river bottom adjacent to the Green River on the east side, ca 3/4 air mi SSW of Monument Hill; ca 22 air mi WNW of Rock Springs.
River bottom beyond cottonwood woodland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: Rock Springs Uplift: slopes and draws, ca 1 air mi E of Killpecker Creek; ca 1 air mi SW of Stansbury Mine; ca 6.5 air mi NNE of Rock Springs.
Rocky, clay slope. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: Rock Springs Uplift: draws and rolling hills of North Baxter Basin, ca 3 air mi S of Crooked Canyon; ca 10 air mi E of White Mountain; ca 13 air mi NNE of Rock Springs.
Rocky clay flat. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: Green River Basin: slopes and draws on western end of Iron Mountain draining to the S, ca 2 air mi NW of U.S. Hwy 191; ca 5 air mi E of Flaming Gorge Reservoir; ca 37.5 air mi SSW of Rock Springs.
South-facing rocky clay slope. Phenology: flowering & fruiting.

Sandy clay slope. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: Rock Springs Uplift: draws and slopes draining S to South Baxter Basin, ca 0.5 air mi S of Wyo Hwy 430; ca 7 air mi SE of Rock Springs.
Clay slope. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: slopes and draw bottom draining from Little Mountain SE to Red Creek, ca 0.5 air mi SE of U.S. Hwy 191; ca 4 air mi NW of Red Creek; ca 33 air mi S of Rock Springs.
Rocky slope above spring. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: creek bottom and adjacent west-facing hillside of creek flowing northward into Little Red Creek, ca 4 air mi W of Pine Mountain; ca 1.5 air mi N of Tepee Mountains; ca 38 air mi SSE of Rock Springs.
West-facing hillside above stream. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: west-facing draws and slopes adjacent to Utah border draining S from the Tepee Mountains to Utah, ca 4.5 air mi SW of Pine Mountain; ca 39 air mi SSE of Rock Springs.
Exposed rocky slope. Phenology: flowering & fruiting.

Sandy ledges. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: Wyoming/Salt River Ranges: Wyoming Range: Willow Creek Drainage: along lower Willow Creek between Sourdough and Sob creeks, ca 3.5-4.5 air mi SE of Hoback Junction, ca 15-16 air mi SSE of Jackson.
Shaly slope.

U.S.A., Wyoming, Sublette County: Wyoming/Salt River Ranges: Wyoming Range: north side of Beaver Ridge, ca 24 air mi NW of Pinedale.
Sagebrush-grassland slope. Phenology: flowering.
with Russ Nelson

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Caribou Range: west side of Star Valley above the Salt River, ca 2.5-3 air mi SW of Thayne; ca 12.5-13 air mi NW of Afton.
Rocky sagebrush slope. Phenology: flowering.
with Russ Nelson

U.S.A., Wyoming, Sublette County: Wyoming/Salt River Ranges: Wyoming Range: along North Horse Creek, ca 0.5 mi N of Merna Butte; ca 2 air mi W of Merna; ca 27 air mi WNW of Pinedale.
Disturbed areas and roadside. Phenology: flowering & fruiting.
with Russ Nelson

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Wyoming Range: along Hot Foot Creek between Greys River and Middle Ridge, ca 11 air mi SE of Alpine; ca 25.5 air mi NNE of Afton.
Semi-barren clay slope with mudstone outcrops. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: Wyoming/Salt River Ranges: Wyoming Range: unnamed tributary of Fisherman Creek ca 1 mi W of Sled Runner Creek, ca 8 air mi SE of Bondurant; ca 28 air mi NW of Pinedale.
Sagebrush-grassland slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Wyoming Range: Porcupine Creek on the slopes of Middle Ridge, ca 1-1.5 air mi E of Greys River; ca 22.5 air mi NNE of Afton.
Dry open areas. Phenology: flowering & fruiting.

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Wyoming Range: south end of Middle Ridge between upper Moose Creek and Greys River, ca 20.5 air mi NNE of Afton.
Slopes with scattered aspen, Douglas fir, sagebrush, and snowberry thickets. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Gannett Hills: along Second and Spring creeks; ca 10 air mi SSW of Afton.
Streamside and west, generally open slopes with sagebrush-grasslands and scatterd Rocky Mountain juniper. Phenology: flowering.
with Bruce Embury

U.S.A., Wyoming, Sublette County: Green River Basin: Onion Creek, ca 9 air mi SW of Daniel Junction.
Sagebrush-grassland and alkaline stream. Phenology: flowering.
with Bruce Embury

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Tunp Range: Rock Creek Ridge, ridge along upper reaches of Antelope Creek.
Rock outcrops and slopes. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Salt River Range: Trail Creek to Elk Mountain, 1-1.7 mi NE of trail head; 8 air mi E of Alpine.
Calcareous substrate with open herb communities. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: Wyoming/Salt River Ranges: Wyoming Range: junction of Sled Runner Creek with Fisherman Creek; 7 air mi SE of Bondurant.
Stream bottoms with willow thickets and adjacent slopes with Douglas fir and lodgepole pine. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: [location and coordinates withheld]
Stream banks and roadside. Phenology: flowering.

U.S.A., Wyoming, Teton County: Gros Ventre Range: ridge leading to Arbor benchmark from Camp Creek, N of the Hoback River; ca 11-12 air mi SSE of Jackson. AlsoS29 and 30.
Sagebrush-rabbitbrush ridgline.

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, Lincoln County: Upper Green River Basin: Cretaceous Mountain/Hogsback Ridge Area: just W of Rainbow Camp, ca 20 air mi SW of Big Piney.
Shaley slopes and badlands. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Upper Green River Basin: Cretaceous Mountain/Hogsback Ridge Area: southeastern corner of Hogsback Ridge, ca 22 air mi SW of Big Piney.
Limey, gravelly slopes and calcareous outcrops. Phenology: flowering.

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

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: off Wyo Hwy 120 on Red Ridge, ca 5.5 air mi E of Grass Creek Post Office; ca 26.5 air mi NW of Thermopolis.
Upland sagebrush-grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Washakie County: Bighorn Basin: along Cottonwood Creek, ca 7.5 air mi WNW of Winchester; ca 20.5 air mi SW of Worland.
Clay bench above the creek with greasewood. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: 1.4 mi NW of Wyo Hwy 230 along Lake Owen Creek on the road to Albany, south end of Sheep Mountain.
In stony soil with Chrysothamus nauseosus. Occasional. Phenology: flowering & fruiting.
with Linda Nelson

U.S.A., Wyoming, Park County: Southeastern Absarokas: along East Fork of the South Fork Wood River between the mouth of Slaughter Creek and Guard Station Park, ca 27.3 air mi SW of Meeteetse.
Disturbed area in meadow. Phenology: flowering & fruiting.
with Robert S. and Ruth E. B. Kirkpatrick

U.S.A., Wyoming, Park County: Bighorn Basin: along Gooseberry Creek, ca 10.5 air mi SSE of Meeteetse.
Creek bottom. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: 9.8 mi S of Wyo Hwy 130 on French Creek Road, 5.1 mi from the North and South French Creek intersection.
In stony gravel with Epilobium. Frequent. Phenology: flowering & fruiting.
with Linda Nelson

U.S.A., Wyoming, Goshen County: [location and coordinates withheld]
Barrow pits and road cuts. Phenology: flowering & fruiting.

U.S.A., Wyoming, Niobrara County: Southern Powder River Basin/Southeastern Plains: Hat Creek Breaks: ridge between S Bar and East Indian Creeks, ca 1.5 air mi SW of Whitman; ca 18 air mi NE of Lusk.
Sandy slopes and flats in rough breaks. Phenology: flowering & fruiting.

U.S.A., Wyoming, Washakie County: Bighorn Basin: just east of Blue Mesa, ca 9.5 air mi NW of Winchester; ca 17 air mi WSW of Worland.
Clay slopes. Phenology: fruiting.

U.S.A., Wyoming, Park County: Bighorn Basin: on road from Elk Basin Oil Field to Frannie, ca 7.5 mi W of Frannie; ca 15 air mi N of Powell.
Drainage. Phenology: flowering.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: west and above Triple Draw, ca 17 air mi ESE of Lovell.
Sandy clay flats and slopes among sagebrush and saltbrush above. Phenology: flowering & fruiting.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: along Crystal Creek Road on the divide between Crystal and Bear Creeks, ca 20 air mi SE of Lovell.
Sandy clay slope with scattered sagebrush. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Washakie Basin: ca 7.3 mi S of Wamsutter on County Road 23 then ca 15 mi SW.
Frequent in sandy soil on low brushy sand dune with Cryptantha, Oryzopsis, Chrysothamnus, and Sarcobatus. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Bighorn Basin: Shearing Pens Reservoir above West Branch Whistle Creek, ca 12 air mi SE of Powell.
Flats near reservoir.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: along Coon Creek SW of Wyo Hwy 32, ca 9 air mi NW of Emblem, ca 17.5 air mi SW of Lovell.
Clay flats and slopes. 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. Phenology: flowering & fruiting.
with Neil Snow

U.S.A., Wyoming, Washakie County: Bighorn Basin: Middle Fork Fifteenmile Creek near end of Paradise Alley, ca 24.5 air mi WNW of Worland.
Sandy clay flat just above creek channel. Phenology: flowering & fruiting.
with Erik Nelson

U.S.A., Wyoming, Big Horn County: Bighorn Basin: on Fenton Pass Road, ca 6 air mi N of Tatman Mountain, ca 8 air mi SW of Burlington, ca 26 air mi W of Basin.
Reservoir dam and banks. Phenology: flowering.
with Erik Nelson

U.S.A., Wyoming, Big Horn County: Bighorn Basin: N slope of Tatman Mountain, ca 12 air mi SW of Burlington, ca 27 air mi WSW of Basin.
Disturbed areas near windmill. 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.
Clay to sandy clay flats and slopes. Phenology: flowering.

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, Carbon County: Medicine Bow Mountains: near head of White Rock Canyon, ca 4 air mi WSW of Arlington, ca 28 air mi ENE of Saratoga.
Open sandy flat. Phenology: flowering.

U.S.A., Wyoming, Teton County: West Slope Wind River Range: Fish Creek/Moccasin Basin area, along South Fork Fish Creek between Buck and Devils Basin Creeks, ca 34 air mi ENE of Jackson.
Slope and bench below sandstone-mudstone cliff.
Annotated by Walter Fertig.

U.S.A., Wyoming, Teton County: West Slope Wind River Range: Fish Creek/Moccasin Basin area, Buck Creek Valley, ca 34 air mi ENE of Jackson.
Sandy clay ridge.
Annotated by Walter Fertig.

U.S.A., Wyoming, Teton County: West Slope Wind River Range: along Purdy Creek NE of South Fork Fish Creek, ca 31.5-32 air mi ENE of Jackson.
Cobblestone slopes and road cut.
Annotated by Walter Fertig.

U.S.A., Wyoming, Teton County: West Slope Wind River Range: Fish Creek/Moccasin Basin area, along Hackamore Creek 0-1 mi above South Fork Fish Creek, ca 33-34 air mi ENE of Jackson.
Disturbed area.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: between Rattlesnake Gulch and Missouri Flats Road, ca 5 air mi NW of Thermopolis.
Disturbed areas and grassy sagebrush slope on shale, clay, sandy clay.
with Robin Jones

U.S.A., Wyoming, Fremont County: Owl Creek/Bridger Mountains: Bridger Mountains: ridge and drainage leading from East Fork Dry Creek to Greer Peak on Copper Mountain, ca 12.3 air mi NW of Lysite, ca 39 air mi NE of Riverton.
Sagebrush slopes among granite cliffs and outcrops.

U.S.A., Wyoming, Big Horn County: Big Horn Mountains: ca 25.5 air mi E of Greybull, ca 14 air mi N of Hyattville on Alkali Road.
Sandy ridge and rough breaks with limber pine. Phenology: flowering & fruiting.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: Ziesman Canyon along Buffalo Creek, ca 6.5 air mi SE of Hyattville, ca 30 air mi SE of Basin.
Stony, brushy slope. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Big Horn Mountains: along Cottonwood Creek on the Lost Cabin-Nowood Road, ca 10.5 air mi N of Lost Cabin, ca 49.5 air mi NE of Riverton.
Sagebrush grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Big Horn Mountains: along Stove Creek on the Nowood Road, ca 15.5 air mi NNE of Lost Cabin, ca 54 air mi NE of Riverton.
Sagebrush-grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: 3.25 mi E of Mountain Home on the Boswell Creek Road, near Boswell Creek Campground.
In sandy fine granitic gravel with Sedum and grass. Common. Phenology: flowering & fruiting.
with Linda Nelson

U.S.A., Wyoming, Big Horn County: Big Horn Mountains: ca 4 air mi SW of Snowshoe Pass on Black Mountain Road, ca 11 air mi ESE of Shell, ca 24.5 air mi E of Greybull.
Sandy areas. Phenology: flowering & fruiting.

U.S.A., Wyoming, Big Horn County: Big Horn Mountains: on the rim of White Creek Canyon, ca 7.5 air mi E of Shell, ca 21 air mi ENE of Greybull.
Sagebrush slopes and flats. Phenology: flowering & fruiting.

U.S.A., Wyoming, Johnson County: Big Horn Mountains: in the canyon along the North Fork Crazy Woman Creek, ca 13.5 air mi SW of Buffalo.
Dry canyon slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Bighorn Basin: Squaw Teats, ca 15 air mi ESE of Meeteetse.
Clay soil on the buttes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: ca 2.8 air mi SSE of Squaw Teats, ca 35 air mi NW of Thermopolis.
Roadside. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Bighorn Basin: Six Mile Reservoir and vicinity, ca 12 air mi NNW of Worland; ca 9 air mi SW of Manderson.
Around the reservoir. Phenology: flowering & fruiting.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: Six Mile Reservoir and vicinity, ca 9 air mi SW of Manderson; ca 15 air mi S of Basin.
Clay soil in saltbush plains. Phenology: fruiting.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: Fox Mountain, ca 9 air mi E of Greybull.
Sandy clay soil on the top and sides of the butte. Phenology: flowering & fruiting.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: Potato Ridge, ca 14 air mi ESE of Greybull.
Clay slopes. Phenology: flowering & fruiting.

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.

U.S.A., Wyoming, Washakie County: Bighorn Basin: along Nowater Creek, ca 16 air mi SE of Worland.
Disturbed areas and greasewood flat. 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, Washakie County: Big Horn Mountains: along Nowood River at the foot of Mahogany Butte, ca 27 air mi S of Ten Sleep, ca 9.5 air mi SSW of Big Trails.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: Owl Charco Reservoir, ca 18 air mi SW of Basin on Fifteenmile Creek Road.
In the reservoir area. Phenology: flowering & fruiting.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: Neves Reservoir: at the foot of Tatman Mountain on the south side, ca 23 air mi WSW of Basin; ca 11.5 air mi S of Burlington.
Draws. Phenology: flowering.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: northwest corner of Sheep Mountain along Wyo Hwy 11, 1.9 mi SW of Wyo Hwy 130.
In red sandy soil with Chrysothamnus. Frequent. 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.
Lower slopes in rough breaks. Phenology: flowering.

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.

U.S.A., Wyoming, Park County: Bighorn Basin: near the head of Spring Creek, ca 6 air mi S of Cody.
Clay flats around a stock pond. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Wind River Basin: west side of Ocean Lake; Longpoint Peninsula.
Shaley sagebrush slopes and hilltops. Phenology: flowering & fruiting.

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: Cedar Ridge, ca 13 air mi NNW of Hiland.
Sagebrush-juniper slopes.

U.S.A., Wyoming, Fremont County: Southeast edge of Trail Lake at inlet of Torrey Creek, ca 8.2 air mi SSE of Dubois; ca 6.9 mi S on Trail Lake Road.
Sagebrush grassland. Phenology: flowering & fruiting.
with Georgia Haines

U.S.A., Wyoming, Fremont County: Top of Beaver Rim, butte W of Dishpan Butte, ca 7 air mi NNW of Sweetwater Station.
Slopes of butte. Phenology: flowering & fruiting.
with Georgia Haines

U.S.A., Wyoming, Fremont County: Wind River Basin: off Sand Draw Road: Big Sand Draw; 15.6 road mi SE on Sand Draw Road.
Sand bars in dry draw. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Sweetwater Rocks: hill with Frank Triangulation Station on top, ca 7 air mi NE of Jeffrey City.
Sagebrush grassland below granite slopes. Phenology: flowering & fruiting.

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.
Badland slope. Phenology: flowering.

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 in sandy ravine. Phenology: flowering & fruiting.
with Georgia Haines

U.S.A., Wyoming, Fremont County: Wind River Basin: Red Canyon Rim, ca 14 air mi SSE of Lander.
Sagebrush grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Beaver Rim, ca 6 air mi NW of Sweetwater Station.

U.S.A., Wyoming, Fremont County: Granite Mountain Uplift: edge of Beaver Rim: W of Rock Creek Mountain, ca 17 air mi NNE of Sweetwater Station.

U.S.A., Wyoming, Fremont County: Granite Mountain Uplift: Beaver Rim: W of Rock Creek Mountain, tributary of Rock Creek, ca 17.5 air mi NNE of Sweetwater Station.

U.S.A., Wyoming, Fremont County: Sweetwater River, south of bridge across river on Agate Flats Road, ca 9.5 air mi ENE of Jeffrey City.
Dry sagebrush grassland. Phenology: flowering & fruiting.

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; flats.
with Ronald L. Hartman

U.S.A., Wyoming, Washakie County: Bighorn Basin: Signal Butte; ca 1.5 air mi WSW of Ten Sleep.
Flats along drainage, shale slopes and rocky ridge top of butte; slopes.
with Ronald L. Hartman

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

U.S.A., Wyoming, Park County: Absaroka Mountains: ca 29 air mi W of Meeteetse, eastern most fork of Upper Warhouse Creek, ca 4.5 mi from junction with the Greybull River.
Bigsage grasslands. Phenology: flowering & fruiting.
Robert S. Kirkpatrick, 1446. 7/20/1983.
with Ruth E. B. Kirkpatrick

U.S.A., Wyoming, Hot Springs County: Absaroka Mountains: ca 27 air mi SSW of Meeteetse, junction of South Fork and East Fork of South Fork Wood River and Slaughter Creek.
Big sagebrush grasslands. Phenology: flowering.
Robert S. Kirkpatrick, 1580. 7/26/1983.
with Ruth E. B. Kirkpatrick

U.S.A., Wyoming, Park County: Absaroka Mountains: ca 44.5 air mi SW of Cody, above Needle Creek, ca 1 mi E of junction of the South Fork of the Shoshone River.
Engelmann spruce, limber and whitebark pine forest. Phenology: flowering & fruiting.
Robert S. Kirkpatrick, 1889. 8/10/1983.
with Geoffrey McNaughton

U.S.A., Wyoming, Park County: Absaroka Mountains: ca 25 air mi W of Meeteetse, in the vicinity of the junction of Jack Creek and the Greybull River.
Big sage with patches of limber pine and Engelmann spruce; dry, open sagebrush slopes. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Big Horn County: Bighorn Basin: 6.5 air mi NE of Greybull.
Saline shaley slopes with greasewood and Atriplex.
with Keith H. Dueholm

U.S.A., Wyoming, Hot Springs County: Owl Creek/Bridger Mountains: Owl Creek: U.S. Hwy 20, ca 3 air mi S of Thermopolis
Chugwater outcrop along highway. No elevation listed in the field notebook. Phenology: flowering & fruiting.
with Keith H. Dueholm

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.
with Keith H. Dueholm

U.S.A., Wyoming, Park County: Absaroka Mountains: Bull Creek, ca 2 air mi SE of the South Fork Shoshone River.
Sagebrush-rabbit brush grassland and adjacent creek bottoms. Phenology: flowering & fruiting.
with Robert S. Kirkpatrick

U.S.A., Wyoming, Fremont County: Absaroka Mountains: vicinity of Double Cabin.
Meadows and river bottom; open slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Southeastern Absarokas: Boulder Ridge.
Rocky slope and coniferous forest; rocky slope. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Southeastern Absarokas: South Fork Shoshone River trail, between Robinson Creek and Younts Creek.
Stream sides, coniferous forests, and meadows; wet meadow and forest edge. Phenology: flowering & fruiting.

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 & fruiting.
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 & fruiting.
with June Haines

U.S.A., Wyoming, Albany County: Laramie Plains: Twin Buttes Lake.
Slopes adjacent to lake.

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, Sublette County: West Slope Wind River Range: Jim Creek, 1.5-2.5 air mi E of Wyoming Hwy 352.
Lodgepole pine forest, meadows, and wet areas.

U.S.A., Wyoming, Teton County: West Slope Wind River Range: lower third of Burnt Ridge immediately SW of confluence of Bell Creek with South Fork Fish Creek.
Lodgepole pine forest with some whitebark pine on ridge.

U.S.A., Wyoming, Fremont County: Owl Creek/Bridger Mountains: Bridger Mountains: southwest end of Lysite Mountain, ca 11 air mi N of Lost Cabin.
Alternating strata of limestone and sandstone outcrops with scattered juniper.

U.S.A., Wyoming, Fremont County: Owl Creek/Bridger Mountains: Bridger Mountains: Steffen Hill, east portion; ca 14 air mi NW of Lysite.
Shale and limestone outcrops and slopes and scattered junipers.

U.S.A., Wyoming, Hot Springs County: Owl Creek/Bridger Mountains: Bridger Mountains: Bridger Creek Road, ca 15 air mi NNW of Lysite.
Sandstone caprock on bench with sagebrush-grassland on top.

U.S.A., Wyoming, Hot Springs County: Owl Creek/Bridger Mountains: Bridger Mountains: Blue Hill, Buffalo Creek Road, ca 16 air mi ESE of Thermopolis.
Shales with barren slopes, sagebrush-grassland on top.

U.S.A., Wyoming, Fremont County: Owl Creek/Bridger Mountains: Bridger Mountains: Dry Bridge Road, ca 16 air mi NW of Lysite, South Bridger Creek.
Stock pond and adjacent sagebrush slopes.

U.S.A., Wyoming, Fremont County: Owl Creek/Bridger Mountains: Bridger Mountains: just S of Birdseye Pass.
Spring and surrounding sagebrush area.

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

U.S.A., Wyoming, Fremont County: West Slope Wind River Range: ca 4 air mi NW of Wyo Hwy 28 on road SW and paralleling Sweetwater River canyon.
Granitic/metamorphic canyon slopes and canyon bottom; slopes. Phenology: flowering & fruiting.
with Jonathan Hughes

U.S.A., Wyoming, Fremont County: West Slope Wind River Range: campground at junction of Sweetwater River and Clear Creek.
Streamsides and slopes; streamsides. Phenology: flowering & fruiting.
with Jonathan Hughes

U.S.A., Wyoming, Fremont County: West Slope Wind River Range: campground at junction of Sweetwater River and Clear Creek.
Streamsides and slopes; slopes. Phenology: flowering & fruiting.
with Jonathan Hughes

U.S.A., Wyoming, Fremont County: West Slope Wind River Range: Wyo Hwy 28 at crossing of Pine Creek ca 5 air mi NNE of Sweetwater River.
Marshy area and road fill; road fill. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: Lime Creek, across Green River from Kendall Warm Springs, ca 11 air mi W of Green River Lakes.
Limestone outcrops with stream on rolling sagebrush slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: Meadow Lake to 2 mi NE on trail to Belford Lake.
Mostly open sagebrush slopes, streamsides, and scattered wooded areas. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: south shore of Boulder Lake, 10 air mi E of Pinedale.
Dry, sandy sagebrush grassland on bluff above lake. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: adjacent to Pole Creek Road, ca 4.5 air mi S of Half Moon Lake, 7 air mi E of Pinedale.
Dry, sandy-rocky roadside dominated by sagebrush and tumble mustard. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: Adjacent to Wyoming Highway 191 and Duck Creek, 3.5 road mi W of Pinedale.
Sagebrush-rabbitbrush grassland on dry, sandy soil of road margin. Phenology: flowering & fruiting.
with N. Duane Atwood

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: adjacent to Skyline Drive at junction of Lakeside Lodge Road, ca 0.25 mi S of South shore of Fremont Lake, 3 air mi NE of Pinedale.
Dry, sandy-gravelly roadside right-of-way. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: north shore of Half Moon Lake, ca 8 air mi NE of Pinedale.
Sagebrush-rabbitbrush grassland on slope above lake. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: Union Pass Road (Forest Service Road 900) at junction of Tepee Creek Road, ca 35 air mi NNW of Pinedale.
Sandstone ridge.

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: Marsh E of Green River, ca 0.5 mi N of north shore of Lower Green River Lake.
Sagebrush bluff above marsh.

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: west slope of Dome Peak Mountain, ca 2 air mi NE of east shore of Upper New Fork Lake.
Dry sagebrush slope.

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: Kendall Warm Springs and bank of Green River adjacent to Warm Springs Falls, ca 30 air mi NNW of Pinedale.
Dry sagebrush clearing adjacent to Green River.

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: Lime Creek, ca 30 air mi NNW of Pinedale.
Limestone cliff face above creek.

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: north shore of New Fork Lakes, ca 17 air mi N of Pinedale.
Rocky/sandy beach.

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: west bank of Willow Lake, ca 9 air mi NNW of Pinedale.
Dry, sagebrush-rabbitbrush community adjacent to lake.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: Goldeneye Wildlife and Recreation Area: Burlington Lake, ca 1 air mi NE of U.S. Hwy 20 & 26, ca 6 air mi E of Natrona; ca 23 air mi NW of Casper.
Flats near the lake. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Middle Fork Casper Creek on Oil Camp or County Road 210, ca 2 mi W of the north end of Pine Mountain, ca 3 air mi SSE of Powder River; ca 34.5 air mi WNW of Casper.
Sagebrush-greasewood flats in the stream bottom. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Poison Spider Creek on Poison Spider or County Road 201 between Emigrant Gap Ridge and Oil Mountain, ca 18.5 air mi W of Casper.
Slope with sandstone pavement, ridge, and outcrops. Phenology: flowering.

U.S.A., Wyoming, Niobrara County: [location and coordinates withheld]
Roadside and adjacent shoulders. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Hartville Uplift: Sandy Beach along Guernsey Reservoir in Guernsey State Park, ca 4 air mi NW of Guernsey.
Sandy sagebrush-grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: Rasmus Lee Lake ca 3 air mi W of Bessemer Mountain, ca 17 air mi WSW of Casper.
Low bluffs along the creek. Phenology: flowering & fruiting.
with Tim Chumley and Robbin Romberg

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Poison Spring Creek ca 3/4 air mi N of the North Platte River and ca 2 air mi SW of Bessemer Mountain, ca 16 air mi SW of Casper.
Low bluffs along the creek. Phenology: flowering & fruiting.
with Tim Chumley and Robbin Romberg

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Ross or County Road 31 between Dry Fork Cheyenne River and Cheyenne River Draw and along Cheyenne River Draw, ca 36 air mi NNW of Douglas.
Slope with sandstone outcrops and large barren areas of sand. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along County Road 21 ca 6 air mi E of the confluence of Red Cloud Slough and Rawhide Creek, ca 7.8 air mi ESE of Jay Em; ca 28 air mi N of Torrington.
Roadside, adjacent right-of-way and fence row. Phenology: flowering.

U.S.A., Wyoming, Niobrara County: 9 mi NNE of Mule Creek Junction.
Grassland with Bouteloua and Atriplex.

U.S.A., Wyoming, Platte County: 18 mi NW of Wheatland.
Moist grassland with Bouteloua and Aster.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: U.S. Hwy 20, 26, less than 1 air mi E of Fremont County.
Alkaline draw with sandy slopes. Phenology: flowering & fruiting.
with T. W. Nelson

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: ca 1.5 mi E of Arminto.
Sandy slopes. Phenology: flowering.
with T. W. Nelson

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: ca 1.5 mi E of Arminto.
Sandy slopes. Phenology: flowering & fruiting.
with T. W. Nelson

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: ca 6 air mi NW of Arminto.
Sandy-rocky slope and eroded drainage areas. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Green River Basin: Eden Reservoir, south side, ca 8.5 air mi NE of Farson.
Reservoir margin and edge of canal. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: Green River Basin: New Fork River, ca 10 air mi SW of Boulder, from old wooden bridge NE to section line.
Streamside and slope. Phenology: flowering.
with Thomas Cramer

U.S.A., Wyoming, Sublette County: Green River Basin: ca 3.5 air mi NW of Farson.
Sagebrush and Atriplex plain with draws and gravel benches. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: Teakettle Butte, ca 20 air mi NNW of Farson.
Sagebrush and Atriplex butte side with eroded clay draws. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: ca 17.5 air mi NW of Farson.
Sagebrush draw with gravel hillsides and sparse sagebrush. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Green River Basin: ca 26.5 air mi WNW of Farson.
Shale and sandstone canyonside with sparse Atriplex and sagebrush. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Green River Basin: ca 15.5 air mi W of La Barge at the south end of Fontenelle Hogbacks.
Low sagebrush gravel hilltop and edge. Sampled for molecular study-Rob Massatti, USGS Phenology: flowering.
with Jane T. Kellett and Steve Laster

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Southern Sublette Range: ca 7 air mi N of Cokeville.
West-facing hillside, lower sage slopes, middle open meadow slopes, and upper Cercocarpus slopes. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Southern Sublette Range: Chalk Creek, ca 7 air mi N of Cokeville.
Hillside seeps, streamside, and sagebrush canyon bottom. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: bank of Green River just S of Bridger-Teton Forest Boundary, ca 19 air mi N of Cora.
Riverside willows, meadow, and adjacent sagebrush. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: hill just N of Forty Rod Flat Well, ca 8 air mi N of Cora.
Sagebrush hillsides and open hilltops. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: Grindstone Butte, ca 3 air mi SE of Daniel.
Sagebrush hill and windswept, open ridgetops. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Green River Basin: hill W of West Pacific Creek, ca 14 air mi SW of South Pass City.
Sagebrush hillside, windswept tops, and badlands. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: Fremont Butte, ca 6 air mi E of Boulder.
Sagebrush hillsides with granite outcrops. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: ca 12 air mi N of Cora.
Pothole lakes and nearby meadows, aspen hillsides, Douglas fir stands, and sagebrush hillsides. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: Green River Basin: McNinch Reservoirs 1 and 2, ca 8.5 air mi NW of Big Piney.
Reservoir edge, meadows, and sagebrush with outflow stream meadowed edges. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Green River Basin: Fontenelle Reservoir at Fontenelle Creek entrance, ca 6.5 air mi NW of Fontenelle Dam.
Reservoir edge, flats, sagebrush and rabbitbrush, and willow lined dry irrigation ditch. Phenology: flowering & fruiting.

U.S.A., Wyoming, Lincoln County: Green River Basin: Green River at Slate Creek confluence, ca 1/2 air mi NE of Fontenelle.
Riverside beneath shale bluff, surrounding greasewood and rabbitbrush desert. Phenology: fruiting.

U.S.A., Wyoming, Sublette County: Green River Basin: Sheep Creek, ca 8.5 air mi NW of Viola.
Sagebrush canyon bottom and side with aspen and various conifer stands and a hillside spring. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: Green River Basin: Warren Bridge, ca 9 air mi N of Daniel Junction.
Riverside meadows, willows, and sagebrush. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: Green River Basin: South Rim, ca 8 air mi NW of Warren Bridge.
Douglas fir and lodgepole pine forest hillside, ridgetop meadows, and bottom sagebrush wetlands. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: Green River Basin: Ryegrass Reservoir, ca 4 air mi SW of Daniel.
Meadows on reservoir edge surrounded by sagebrush and rabbitbrush. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: Green River Basin: Horse Creek, ca 4.5 air mi SE of Merna.
Sandstone bluff above creek, sagebrush, aspen groves, and scattered limber pine. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: Green River Basin: Webb Draw, ca 5.5 air mi ENE of Merna.
Small reservoir, meadowed draw, hillside spring, aspen grove, and ridgetop sagebrush. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Green River Basin: Sweetwater River, ca 8.5 air mi SW of South Pass City.
Riverside meadows, willows, and sagebrush. Phenology: flowering.
with Ben and Becky Cramer

U.S.A., Wyoming, Sweetwater County: Green River Basin: Big Sandy Reservoir and River, ca 9.5 air mi N of Farson.
Reservoir edge sagebrush, riverside meadows and sagebrush. Phenology: flowering.
with Ben and Becky Cramer

U.S.A., Wyoming, Sublette County: Green River Basin: Chimney Butte Reservoir, ca 13 air mi N of La Barge.
Drying reservoir and surrounding sagebrush flats. Phenology: flowering & fruiting.
with Ben and Becky Cramer

U.S.A., Wyoming, Sublette County: Green River Basin: Green River, ca 9 air mi S of Big Piney.
Riverside meadows, sagebrush, and sagebrush bluff. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Green River Basin: Big Sandy River at Gasson Bridge, ca 20 air mi E of Fontenelle Dam.
Riverside meadows, sagebrush, and open hillsides. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Green River Basin: Big Sandy River, ca 1 air mi SW of Farson.
Riverside meadows, sagebrush, and open hillsides. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: Green River Basin: ca 2 air mi S of Boulder.
Gravel roadsides and irrigation ditchsides. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: Green River Basin: Flat Top, ca 10.5 air mi SE of Big Sandy.
Rolling sandy sagebrush. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: Cora Butte, ca 2.5 air mi ENE of Daniel Junction.
Roadside through sagebrush. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: ca 14.5 air mi N of Daniel Junction.
Roadside meadow.

U.S.A., Wyoming, Sublette County: Green River Basin: Green River, ca 13 air mi N of Daniel Junction.
Wet draw meadow with sagebrush sides. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Green River Basin: ca 11.5 air mi NW from Farson ice cream store.
Open grassland. Sampled for molecular study-Rob Massatti, USGS Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: ca 12 air mi N of Farson.
Reclaimed roadside meadow. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: ca 10 air mi SW of Daniel.
Gravel hillsides with clay spots and sparse sagebrush. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: ca 10.5 air mi SE of Boulder.
Sandy gravel sagebrush hill. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: Water Hole Draw at Big Sandy River, ca 23.5 air mi N of Farson.
Sandy sagebrush draw. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: Green River Basin: Boulder Creek, ca 5 air mi N of Boulder.
Rocky sagebrush hillside. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: ca 14.5 air mi SW of Boulder.
Sandy sagebrush around badlands outcrop. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: N of Elk Mountain, ca 4.5 air mi NW of Elkhorn Junction.
Sagebrush flats, wet draw bottom. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: New Fork River, ca 6 air mi SW of Boulder.
Gravel sagebrush bluffside above river. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: The Mesa, ca 9.5 air mi WSW of Boulder.
Sagebrush gravel hilltop and edge. Sampled for molecular study-Rob Massatti, USGS Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: formation just NW of Squaw Teat, ca 4 air mi S of Elkhorn Junction.
Sandstone/conglomerate cliff with open top and open sides with Cercocarpus patches. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: pipeline W of Bolten Creek or County Road 404, ca 9.3 air mi NE of Alcova townsite; ca 21.5 air mi SW of Casper.
Shale and gypsum hills of sagebrush, greasewood, and rabbitbrush; draws and ridge of ponderosa pine. Phenology: flowering.

U.S.A., Wyoming, Crook County: Black Hills: Devils Tower National Monument: trail E from Joyner Ridge parking lot.
Grassy ridge, sandstone outcrops and ponderosa pine understory. Phenology: flowering & fruiting.
with Hollis Marriot and Gael Fonken

U.S.A., Wyoming, Weston County: Upton.
Railroad right-of-way. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Devils Tower National Monument.
Somewhat common on sandy soil at base of sandstone cliffs with Pinus ponderosa and Juniperus scopulorum. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Elk Range, Douglas Creek Campground.
On 10 percent southwest slope; grass-forb vegetation type. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: S of Lamont; 26 mi N of Rawlins.
Dry sandy soil in sagebrush plains near salt flat. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Near Sage Creek; ca 17 air mi S of Green River.
Loam in sagebrush with Centaurea repens. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Red Buttes.
Sandy plains. Phenology: flowering & fruiting.
with Ruth A. Nelson

U.S.A., Wyoming, Sweetwater County: Green River.

U.S.A., Wyoming, Albany County: Laramie: Welch Ranch.
Frequent in dry and recently disturbed soil; dry ditch banks. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Laramie.
Stony sandy soil. Phenology: flowering & fruiting.

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

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

U.S.A., Wyoming, Albany County: Sand Creek.

U.S.A., Wyoming, Albany County: Woods Creek.

U.S.A., Wyoming, Sweetwater County: Creston.

U.S.A., Wyoming, Albany County: Middle Fork of Little Laramie.
Dry, steep slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Centennial ["Middle Fork Little Laramie River"].
Dry, steep slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Telephone Mines.
Dry slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Head of Woods Creek.
Gravelly or sandy banks. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Granger.
Gravelly slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Rawlins.
Sandy canyon and banks. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Albany County: Centennial.
T15N R78W
Dry mountain slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Bacon's Ranch.
Dry plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Douglas.
Dry ravines. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: West base of Jelm Mountain.
In sandy soil; especially in disturbed ground. Common Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: 10 mi S of Woods Landing, Boswell Creek Road along Johnson Creek.
Sagebrush slopes along creek. Common. Phenology: flowering & fruiting.
with Ron Hartman

U.S.A., Wyoming, Carbon County: Foote Creek.
Charles R. Clarke, 60. 8/8/1975.

U.S.A., Wyoming, Albany County: Ca 6 mi E of Laramie on U.S. Hwy 30.
In roadside gravel, in sun. Occasional. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Elk Mountain.
On northwest exposure; mixed shrub community at lower edge of Tensleep formation. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Shirley Basin, 35 air mi SSE of Casper.
With Artemisia tridentata, Gramineae. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Pathfinder Mine: 34 air mi SSE of Casper.
Riparian. Phenology: flowering & fruiting.
Francis B. Current, 540. 8/7/1978.

U.S.A., Wyoming, Carbon County: Hayden National Forest: Encampment.
On moderate east slope; sandy loam soil; weed-grass type with Russian thistle, pigweed, Agropyron, Poa, and lamb's quarter. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Hayden National Forest: Encampment.
On moderate east slope; sandy loam soil; weed-grass type with Russian thistle, pigweed, Agropyron, Poa, and lamb's quarter. Common. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Near the Laramie River; along the road to North Park, Colorado.

U.S.A., Wyoming, Albany County: Near Tie Siding.
George E. Osterhout, 4446. 4//1911.

U.S.A., Wyoming, Albany County: Laramie Plains W of Tie Siding.
George E. Osterhout, 6663. 8/7/1926.

U.S.A., Wyoming, Albany County: Laramie.
Top of hill. Phenology: flowering & fruiting.

Top of hill. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Near town of Powder River.
George E. Osterhout, 8301. 7/9/1936.

U.S.A., Wyoming, Albany County: Tie Siding.
Harry Hapeman, s.n.. 9/6/1919.

U.S.A., Wyoming, Albany County: 10 mi W of Laramie and 0.5 mi N of Wyo Hwy 130.
Mixed grass prairie. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Near Harmony.
with Mildred S. Reed

U.S.A., Wyoming, Laramie County: Pine Bluffs: on top of bluffs, 5.7 air mi NNW of Pine Bluffs.
Limber pine/grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Laramie County: Pine Bluffs: SE of Rest Area on top of bluffs, .8 air mi SW of Pine Bluffs.
Ponderosa pine/grassland ecotone. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Cedar Canyon: NNE of Rock Springs.
Kathleen Means, 46. 9/9/1976.

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

U.S.A., Wyoming, Laramie County:
Growing the gravel road in dry sand and gravel with Erigeron. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Encampment.
41.2121° N, 106.7998° W; NAD 83, uncertainty 0.5 mi., Digital Map
Dry flats. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Centennial.
41.3045° N, 106.1267° W; NAD 83, uncertainty 0.5 mi., Digital Map
Sandy flats. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Elk Mountain.
41.6334° N, 106.5078° W; NAD 83, uncertainty 0.5 mi., Digital Map
Bare hillsides. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Laramie: University Campus.

U.S.A., Wyoming, Carbon County: Stratton Hydrology Study Area: Sane Creek Upland.
Sagebrush rangeland. Phenology: flowering & fruiting.
Max H. Schroeder, s.n.. 8/11/1975.
with Gary L. Ranck

U.S.A., Wyoming, Sweetwater County:
T20N R96W
Sandy soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Along Wyo Hwy 487 at junction with State Hwy 77: ca 34 air mi S of Casper; 1.2 mi S of Natrona County line.
Atriplex dominated flat. Phenology: flowering.
with G. K. Brown and T. M. Evans

U.S.A., Wyoming, Carbon County: Along Wyo Hwy 487 at junction with State Hwy 77: ca 34 air mi S of Casper; 1.2 mi S of Natrona County line.
Atriplex dominated flat. Phenology: flowering & fruiting.
with G. K. Brown and T. M. Evans

U.S.A., Wyoming, Albany County: Pole Mountain area.

U.S.A., Wyoming, Converse County: Douglas.
From barrow pit of highway in sandy soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Douglas, fair grounds.
Barrow pit sandy soil. Phenology: flowering & fruiting.
Robert E. Pfadt, s.n.. 9/4/1940.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin and Adjacent Regions: Red Desert, Steamboat sand dunes.
T23N R102W S21; also S22

U.S.A., Wyoming, Natrona County: Hell's Half Acre.
Erosional badlands on argisol. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Hells Half Acre.
Erosional badlands on argisol; occasional in dry soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Flaming Gorge Recreation Area: Henry Fork Fault, along fault face and along the base of the fault.
Along fault face and along base of fault in dry soils; occasional in barrow pit. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Sage Creek Basin.
Plains with Tetradymia spinosa, Haplopappus acaulis. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: 4 mi N of Tipton.

U.S.A., Wyoming, Carbon County: Sierra Madre: Holroyd Park, ca 19 air mi SE of Encampment.
Abundant in dry sandy soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Ca 25 mi SW of Wheatland on Kennedy Ranch; along the Wheatland Tunnel Road.
Growing along roadside in sandy soil with rock. Phenology: flowering & fruiting.

Plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Ca 47.5 air mi SSW of Wamsutter and ca 25 air mi W of Baggs. NW/14
Growing in very gravelly, coarse loam with Oryzopsis hymenoides. Phenology: flowering & fruiting.
Thomas J. Mastrella, 75. 7/8/1980.

U.S.A., Wyoming, Carbon County: Shirley Basin: along west side of Wyo Hwy 487, 7.8 mi S of Natrona County.
Grassland. Phenology: flowering.
with Jane P. Nelson

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

U.S.A., Wyoming, Natrona County: Willow Creek.
Flood plain. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Sheep Mountain: near Johns Creek.
Rocky southern exposure. Verified by C. Feddema. Phenology: flowering.

U.S.A., Wyoming, Albany County: West Slope Sheep Mountain.
In gully below ridge of Forelle limestone. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: West Slope Sheep Mountain.
On lower Casper formation. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Medicine Bow National Forest.
On level ground; sandy loam soil; open grassland with weeds. Phenology: flowering & fruiting.

U.S.A., Montana, Park County: Absaroka Range: between I-90 and the Yellowstone River in McAdows Canyon, ca 14.5 air mi ENE of Livingston.
Elev. 4280
Disturbed roadside, railroad tracks and river bank. Phenology: flowering & fruiting.
with Brian Elliott

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: S of Elkhorn Creek and North Platte River area W of Forest Road 534, ca 48 air mi SW of Saratoga.
Rock outcrops along edge of canyon, among sagebrush meadow. Phenology: flowering.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: near Lake Owen Creek, ca 1 air mi E of Lake Owen, ca 11 air mi S of Centennial.
Margin between burnt sagebrush steppe and burnt pine-spruce dominated draw. Phenology: flowering.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: Jelm Mountain, ca 1 mi E of New Jelm, ca 2 air mi SE of Woods Landing.
Dry sagebrush steppe. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Saratoga Valley: north end of Lake Oreek Flats on County Road 215 (Stock Drive Way), ca 8.4 air mi NNW of Saratoga.
Sandy rolling sagebrush steppe with cobblestone ridges and knolls. Phenology: flowering.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: N of Sunrise Creek at the south base of Jelm Mountain, ca 1 air mi NW of Ring Mountain, ca 26.7 air mi SW of Laramie.
Stony, south-facing slope with black sagebrush or mountain sagebrush and occasional limber pine. Phenology: flowering.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: summit and north slope of Jelm Mountain, ca 24.7 air mi SW of Laramie.
Open limber pine woods on north-facing slope. Sampled for molecular study-Rob Massatti, USGS Phenology: flowering.

U.S.A., Wyoming, Carbon County: Hanna Basin: Halleck Ridge from Rattlesnake Pass NE ca 2 air mi, ca 10-12 air mi S of Hanna; ca 8.5-9 air mi W of the town of Elk Mountain.
Slopes of ridge with clay and sandstone. Sampled for molecular study-Rob Massatti, USGS Phenology: flowering.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: south end of Sheep Mountain, near Forest Road 311 (Fox Creek Road), ca 26 air mi SW of Laramie; ca 1 air mi N of Woods Landing.
Rocky sagebrush hill, southwest aspect. Phenology: flowering.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: Game and Fish Trail 386 W, on west slope of Sheep Mountain, ca 27 air mi W of Laramie; ca 4 air mi NW of Woods Landing.
Sagebrush steppe. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie Plains: just E of Sheep Mountain, ca 2 air mi N of Lake Hattie, ca 9 air mi ESE of Centennial.
Dry plains and sagebrush hills. Sampled for molecular study-Rob Massatti, USGS Phenology: flowering.
with Bonnie Heidel, Richard McNeill, Benjamin S. Legler

U.S.A., Wyoming, Carbon County: Saratoga Valley: Sheep Rock area, ca 2 air mi NW of Sixmile Hill and ca 7 air mi NNW of Saratoga, along County Road 508 (Pick Bridge Road).
Sagebrush hills. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Saratoga Valley: Buck Springs Draw area S of County Road 205 (Lake Creek Road), ca 5 air mi NE of Saratoga and ca 6 air mi SE of Sixmile Hill.
Sagebrush hills. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: just S of I-80, Wagonhound Road and Bear Creek, ca 3.5 air mi NW of exit 267 (Wagonhound) and ca 4 air mi SE of Elk Mountain (town).
Sagebrush hills. Phenology: buds.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: S of Ring Mountain, area of Maggie Creek, ca 1 air mi SE of intersection of Wyo Hwy 10 and Gyp Quarry Road, ca 7 air mi SSE of Woods Landing and ca 10 air mi SE of Foxpark.
Sagebrush hills. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: area between Bitter and Cedar creeks, along BLM Road 3417, ca 11 air mi E of Saratoga and ca 10 air mi NW of Ryan Park.
Sagebrush hills. Phenology: flowering.

U.S.A., South Dakota, Harding County: Custer National Forest: Slim Buttes: in the vicinity of Rimrock Spring, ca 1 air mi S of Forest Road 3151, ca 7.5 air mi SE of Summit Pass on SD Hwy 79 and ca 31 air mi SE of Buffalo.
Mixed grass and badlands. Phenology: flowering.

U.S.A., Wyoming, Park County: Yellowstone Plateau: Yellowstone National Park: along Yellowstone Lake just W of Storm Point, ca 2 mi E of Fishing Bridge.
Sandy beach deposits with Bromus tectorum, Cirsium arvense, Phacelia hastata, and Heterotheca villosa.

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Hams Fork, ca 2.5 air mi S of Kemmerer.
Riverside meadows, willows, and sagebrush. Phenology: flowering & fruiting.

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Salt Creek, just S of Bridger-Teton National Forest, ca 25 air mi N of Cokeville.
Pondside willows and sagebrush, adjacent sagebrush, and open hillside. Phenology: flowering & fruiting.

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Nugget Canyon, just S of Nugget.
Pondside willows and sagebrush, adjacent sagebrush, and open hillside. Phenology: flowering & fruiting.

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Sublette Range: ca 18 air mi N of Cokeville.
Hillside sagebrush, rock outcrops, and aspen groves. Phenology: flowering & fruiting.

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Lake Viva Naughton, ca 13 air mi NNW of Kemmerer.
Reservoir edge, meadows, and sagebrush. Phenology: flowering & fruiting.

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: vicinity of Coal Creek, ca 14 air mi N of Border Junction.
Sagebrush hillside and draw. Phenology: flowering & fruiting.

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Southern Sublette Range: Chalk Creek, ca 7 air mi N of Cokeville.
T25N R119W S3 W1/4; also NE1/4 S4; also NW1/4 S10; also T26N R119W S33 SE1/4

T25N R119W S4 S1/4; also NE1/4 S8; also N1/4 S9
West-facing hillside, lower sage slopes, middle open meadow slopes, and upper Cercocarpus slopes. Phenology: flowering.

U.S.A., Wyoming, Park County: Shoshone National Forest: Crandall Creek.
Rocky soil. Phenology: flowering & fruiting.
with Dorothy Pearson

U.S.A., Wyoming, Teton County: Soda Creek.
Growing with Sedum sp. and Cerastium sp. Common in open area. Phenology: flowering.

U.S.A., Wyoming, Teton County: Grand Teton National Park: near Moose.
Big and low sagebrush area. Phenology: flowering & fruiting.
Darold W. Sabinske, 23c. 8/12/1970.

U.S.A., Wyoming, Sublette County: Green River Basin: Water Hole Draw at Big Sandy River, ca 23.5 air mi N of Farson.
Sandy sagebrush draw. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: ca 10.5 air mi SE of Boulder.
Sandy gravel sagebrush hill. Sampled for molecular study-Rob Massatti, USGS Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: Green River, ca 13 air mi N of Daniel Junction.
Wet draw meadow with sagebrush sides. Sampled for molecular study-Rob Massatti, USGS Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: ca 14.5 air mi N of Daniel Junction.
Roadside meadow. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: Cora Butte, ca 2.5 air mi ENE of Daniel Junction.
Roadside through sagebrush. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: Green River Basin: Flat Top, ca 10.5 air mi SE of Big Sandy.
Rolling sandy sagebrush. Sampled for molecular study-Rob Massatti, USGS Phenology: flowering.

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: Jim Creek, 1.5-2.5 air mi E of Wyo Hwy 352.
Lodgepole pine forest, meadows, and wet areas. Phenology: flowering.

U.S.A., Wyoming, Teton County: West Slope Wind River Range: Fish Creek/Moccasin Basin area, along Hackamore Creek 0-1 mi above South Fork Fish Creek, ca 33-34 air mi ENE of Jackson.
Disturbed area. Phenology: flowering.

U.S.A., Wyoming, Teton County: West Slope Wind River Range: lower third of Burnt Ridge immediately SW of confluence of Bell Creek with South Fork Fish Creek.
Lodgepole pine forest with some whitebark pine on ridge. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: West Slope Wind River Range: along Purdy Creek NE of South Fork Fish Creek, ca 31.5-32 air mi ENE of Jackson.
Cobblestone slopes and road cut. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: West Slope Wind River Range: Fish Creek/Moccasin Basin area, Buck Creek Valley, ca 34 air mi ENE of Jackson.
Sandy clay ridge. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: West Slope Wind River Range: Fish Creek/Moccasin Basin area, along South Fork Fish Creek between Buck and Devils Basin Creeks, ca 34 air mi ENE of Jackson.
Slope and bench below sandstone-mudstone cliff. Phenology: flowering.

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: west bank of Willow Lake, ca 9 air mi NNW of Pinedale.
Dry, sagebrush-rabbitbrush community adjacent to lake. Phenology: flowering.

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: north shore of New Fork Lakes, ca 17 air mi N of Pinedale.
Rocky/sandy beach. Phenology: flowering.

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: Lime Creek, ca 30 air mi NNW of Pinedale.
Limestone cliff face above creek. Phenology: flowering.

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: Kendall Warm Springs and bank of Green River adjacent to Warm Springs Falls, ca 30 air mi NNW of Pinedale.
Dry sagebrush clearing adjacent to Green River. Phenology: flowering.

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: west slope of Dome Peak Mountain, ca 2 air mi NE of east shore of Upper New Fork Lake.
Dry sagebrush slope. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: marsh E of Green River, ca 0.5 mi N of north shore of Lower Green River Lake.
Sagebrush bluff above marsh. Phenology: flowering.

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: Union Pass Road (Forest Service Road 900) at junction of Tepee Creek Road, ca 35 air mi NNW of Pinedale.
Sandstone ridge. Phenology: flowering.

U.S.A., Wyoming, Uinta County: Evanston.
By river bottoms. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: Kendall.
43.1359° N, 110.0612° W; NAD 27, uncertainty 1 mi., Digital Map
Dry medow. Phenology: flowering & fruiting.
Edwin B. Payson, s.n.. 8/5/1922.
with Lois B. Payson

U.S.A., Wyoming, Sublette County: Kendall.
Sagebrush slopes. Phenology: flowering.
with Lois B. Payson

U.S.A., Wyoming, Uinta County: Evanston.
Gravelly slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Uinta County: Near Bear River, 15 miles south of Evanston.
Dry clay slope. Phenology: flowering & fruiting.

U.S.A., Wyoming, Lincoln County: Star Valley-Greys River in the Afton area. 300 feet W of Salt River- Smith Fork devide. Salt River drainage.
Growing on the edge of the road on a moderately timbered north slope. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: Gros Ventre Slide.
Growing with Castille ja sp. and Sheperdia sp., Infrequent in rocky open area. Phenology: flowering & fruiting.

U.S.A., Wyoming, Lincoln County: Jackson's Hole.
Gravel flat. Phenology: flowering & fruiting.
with Lois B. Payson

U.S.A., Wyoming, Washakie County: W of Worland, on the lower part of the 15 mi drainage area.
5-9 inch percipitation zone; Willwood Fm. Phenology: flowering.

U.S.A., Wyoming, Teton County: Gros Ventre Range.
Phenology: flowering.

U.S.A., Wyoming, Hot Springs County: 15 miles east of Thermopolis.
Dry roadside. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: Yellowstone National Park: Lower Basin.

U.S.A., Wyoming, Teton County: Near Jenny Lake, Jackson Hole, Wyoming.
Abundant on the roadsides and in the open woods. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: Teton National Park.
Open flat. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: Jackson Hole.
Open flats. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: Teton National Park.
Roadsides. Phenology: flowering & fruiting.

U.S.A., Wyoming, Washakie County: 10 miles southwest of Tensleep in North Butte area.

U.S.A., Wyoming, Uinta County: Near Fort Bridger.

U.S.A., Wyoming, no county County:
Dry sandy soils. Phenology: flowering & fruiting.

U.S.A., Wyoming, Washakie County: Big Horn Range: ca 10 mi E of Ten Sleep.
Mountain mahogany stand. Phenology: flowering & fruiting.
William B. Miller, s. n.. 6/11/1962.

U.S.A., Wyoming, Washakie County: Ca. 30 miles East of Tensleep.
Common along road. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Yellowstone National Park: Gardiner River.
Very common on the bluffs. Phenology: flowering & fruiting.
with Elias Nelson

U.S.A., Wyoming, Teton County: Gros Ventre River.

U.S.A., Wyoming, Hot Springs County:

U.S.A., Wyoming, Park County: Yellowstone Lake.
with Ernest A. Bessey

U.S.A., Wyoming, Teton County: Yellowstone National Park: Nez Perces Creek.
Very abundant on moderately dry ground. Phenology: flowering & fruiting.

U.S.A., Wyoming, Washakie County: Red Bank.

U.S.A., Wyoming, Big Horn County: West Slope Big Horn Mountains: 5.5 mi NE of Hyattville along Cold Springs Road.
West slope of mountain, J. osteosperma habitat, topography flat. Phenology: flowering & fruiting.

U.S.A., Wyoming: Big Horn Basin.
General. Phenology: flowering & fruiting.

U.S.A., Wyoming, Big Horn County: Greybull.
Sandy roadsides. Phenology: flowering & fruiting.
with Ruth A. Nelson

U.S.A., Wyoming, Lincoln County:
Badlands. With Atriplex gardneri and Sarcobatus. Phenology: flowering & fruiting.

U.S.A., Wyoming, Lincoln County:
Badlands. With Sarconatus and Stenogonum Phenology: flowering & fruiting.

U.S.A., Wyoming, Lincoln County:
Dry gravelly soil: sagebrush. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Absaroka Mountains: Along U.S. Hwy 14, ca 3/4 mi W of Buffalo Bill Dam.
On road shoulder. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: Buffalo Bill State Park, along U.S. Hwy 14, 16, and 20.
Shoshone River Drainage Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Across U.S. Hwy 26 from Haines' farm.
In the Flats near the canal. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Wyo Hwy 120, ca 10 mi E of Meeteetse.
Dry sandy soil in sagebrush scrub beside highway. Phenology: flowering & fruiting.
Thomas W. Nelson, s.n.. 8/27/1976.
with James L. Nelson

U.S.A., Wyoming, Sublette County: East foothills of the Wyoming Range: upper Hoback River region: South Fork Fisherman Creek Drainage, 8 air mi SE of Bondurant, Crazy Moose Road.
Common among sagebrush on dry slope at edge of aspen lodgepole pine woods. Phenology: flowering & fruiting.
with Patricia K. Holmgren

U.S.A., Wyoming, Campbell County: Gillette.
Formations- burning coal mines. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: North Prong of Thunder Creek and Little Thunder Creek.
With Upland sagebrush, Big sagebrush, Blue grama, Needleand, Western wheatgrass. Loamy, sandy, clayey. Phenology: flowering & fruiting.
with D. W. Sabinske

U.S.A., Wyoming, Johnson County: Buffalo.

U.S.A., Wyoming, Fremont County: Roberson Mines, 20 mi N of Shoshone.
On dry slope. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Wind River Range: Brown Canyon area, ca 10 mi S of Lander, Indian Ridge.
North slopes; sagebrush-grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: SE of Thermopolis and E of Wind River Canyon: North Flank of the Owl Creek Range: Birdseye Pass area.

U.S.A., Wyoming, Uinta County: Afton.
Sandy slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: Teton National Forest: Horsetail Creek.
T42N R114W
Steep south slope; clay soil; sagebrush grass with sagebrush and yellowbrush. Common. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Sierra Madre, ca 8 air mi SSE of Miller Hill.
Sagebrush-grassland. Phenology: flowering.
with Lee Huston & Sunny Kastning

U.S.A., Wyoming, Carbon County: Sierra Madre, ca 9 air mi NNW of Blackhall Mountain.
with David Culp

U.S.A., Wyoming, Natrona County: Cedar Ridge, ca 13 air mi NNW of Hiland.
Sagebrush-juniper slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: Yellowstone National Park: Fire Hole River.
Dry woods. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Twin Buttes Lakes.
Slopes adjacent to lake. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Ca 2 air mi SW of Pine Butte.
Clay flats along alkali wash, clay and sandstone ridges and outcrops, and shaley slopes with cercocarpus. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Ca 7 air mi ENE of Wamsutter.
Clay flats, sand dunes, and scoria outcrops on rocky ridges. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Ca 12 air mi NE of Minnies Gap.
Seepage areas along small stream, sagebrush slopes, thickets of aspen and serviceberry. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Manual Gap, ca 21 air mi S of Tipton.
Semi-stabilized sand dunes above gap. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Along Salt Wells Creek, ca 24 air mi SE of Rock Springs.
Sandstone uplift above dry canyon, with sandy areas and Juniperus osteosperma, Pinus flexilis, Pseudotsuga, and Cercocarpus sp. On exposures, flats along creek. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: East side of Pine Mountain.
Roadcut through sagebrush slopes at head of Coyote Creek (dry). Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Hwy 187, 15 mi N of Rock Springs on west side of highway.
Roadside. Occasional. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: E of Newton Creek, ca 1.5 mi S of U.S. Hwy 14, 16, and 20.
On ridge. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Beside Fivemile Creek off Burma Road.

U.S.A., Wyoming, Carbon County: Road from Rattlesnake Pass to near summit of Elk Mountain.
Roadside. Common. Phenology: flowering & fruiting.
with Barry Hammel

U.S.A., Wyoming, Park County: Back of Junction Butte.
Dry roadsides. Phenology: flowering & fruiting.

U.S.A., Wyoming, Niobrara County: Southern Powder River Basin/Southeastern Plains: Hat Creek Breaks: ridge between S Bar and East Indian Creeks, ca 1.5 air mi SW of Whitman; ca 18 air mi NE of Lusk.
Sandy slopes and flats in rough breaks. Phenology: flowering.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: ca 5.3 air mi N of Jay Em; ca 27.5 air mi N of Lingle; ca 0.5 mi E of U.S. Hwy 85 near "Five Buttes".
Barrow pits and road cuts. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Along I-90, ca 20 mi W of Gillette.
On road shoulder. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: Gros Ventre Area: trail to Cream Puff Peak, ca 0.5-2 air mi from trailhead between Bear and Bull Creeks.
Coniferous forests, open slopes, and meadows. 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, Johnson County: Eastern Slope Big Horn Mountains: headwaters of Clear Creek and Crazy Woman River.

U.S.A., Wyoming, Washakie County: West slope Big Horn Mountains: Billy Creek drainage, ca 0.75 mi ENE of Chaote Corral.
Grassy, moist west facing slope above creek in Juniper/sagebrush meadow. Phenology: flowering & fruiting.
with Ann Humphrey

U.S.A., Wyoming, Lincoln County: North of Meadow Creek, Greys River.
Gentle east slope, loamy soil. Phenology: flowering & fruiting.
with Woods
Accession: RM 402301, Barcode: USFS0071612

U.S.A., Wyoming:

U.S.A., Wyoming, Teton County: Jackson.
Slope: level; Soil: moist. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: Jackson Hole Wildlife Park.
Among sagebrush on dry hillside. Phenology: flowering & fruiting.
with Mildred S. Reed

U.S.A., Wyoming, Teton County: Gros Ventre River.
Growing with Crataegus sp. And Artemisia tridentata in rocky soil near boggy area. Frequent. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: Grand Teton National Park: String Lake.

U.S.A., Wyoming, Teton County: Grand Teton National Park.
Open, rocky flats. Flowers dark blue. Phenology: flowering.

U.S.A., Wyoming: Teton National Park: Jackson Lake.
Open woods bordering lake. Phenology: flowering & fruiting.

U.S.A., Montana, Powder River County: Custer National Forest: Ashland Ranger District: in Bridge Canyon, ca 1 air mi E of Taylor Butte, ca 2 air mi ESE of Fort Howes.
East-facing slope in hardwood draw with Prunus and grass-dominated understory. 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.
Roadside. 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: In the vicinity of Saskview Reservoir N to Saskatchewan, ca 18 air mi NW of Opheim.
Flats with areas of alkali. Phenology: flowering & fruiting.

U.S.A., Montana, Valley County: At the head of South Fork Duck Creek below Glen Reservoir off The Pines Road, ca 15 air mi WSW of Fort Peck; ca 21 air mi S of Glasgow.
Clay flats with scattered sagebrush and greasewood. Phenology: flowering & fruiting.

U.S.A., Montana, Valley County: Charles M. Russell National Wildlife Refuge: at Bonetrail Boat Ramp on Fort Peck Lake, ca 47 air mi SW of Glasgow.
Flats and low slopes along the reservoir. Phenology: flowering & fruiting.

U.S.A., Montana, Valley County: On Triple Crossing Road, ca 1 air mi N of Gutshot Reservoir, ca 20.5 air mi SW of Glasgow.
Clay flats, hillsides, and grasslands with sagebrush and greasewood. Phenology: flowering & fruiting.
Joseph L. M. Charboneau, 97. 6/15/2010.

U.S.A., Montana, Valley County: On Triple Crossing Road, ca 1/4 air mi N of Whitetail Reservoir, ca 28 air mi SW of Glasgow.
Grasslands with occasional sagebrush on clay soil. Phenology: flowering & fruiting.
Joseph L. M. Charboneau, 395. 6/24/2010.

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 & fruiting.
Joseph L. M. Charboneau, 658. 6/27/2010.

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.
Reservoir edge. Phenology: flowering & fruiting.

U.S.A., Montana, Phillips County: Along Midale Road/Refuge Road 212, ca 3 air mi SSE of Karsten Coulee Reservoir, ca 31.5 air mi SE of Zortman; ca 51.5 air mi SSW of Malta.
Sagebrush-grasslands on clay soil with steep-sided draws. Phenology: flowering & fruiting.

U.S.A., Montana, Phillips County: Wapati Reservoir, S of BLM Road 1143, ca 3.5 air mi W of Indian Lake, ca 43 air mi S of Malta.
Sagebrush-grasslands on stony clay soil. Phenology: fruiting.

U.S.A., Montana, Phillips County: Upper Missouri River Breaks National Monument: along Bull Creek and badlands to the W, ca 0.5 mi below the confluence with Winter Creek, ca 16 air mi SW of Hays; ca 62 air mi SW of Malta.
Semi-barren clay slopes. Phenology: flowering & fruiting.
with B. E. Nelson

U.S.A., Montana, Valley County: Bitter Creek Wilderness Study Area: along Chisholm Creek, ca 8 air mi NNW of Newberry Flat Reservoir, ca 36 air mi NNE of Glasgow.
Sagebrush-grasslands on clay flats with greasewood. Phenology: fruiting.

U.S.A., Montana, Valley County: Unnamed reservoir in Hard Pan Creek, N of Stone House Road, ca 2 air mi NE of Halfpint Reservoir, ca 30 air mi SW of Glasgow.
Clay flats with sagebrush and greasewood. Phenology: flowering & fruiting.

U.S.A., Montana, Valley County: Reservoir on Hay Coulee, S of Willow Creek Road, ca 1.5 air mi SW of Bomber Reservoir, ca 21 air mi SSW of Glasgow.
Roadside and disturbed areas. Phenology: flowering & fruiting.

U.S.A., Montana, Phillips County: Frenchman Creek, E of Turkey Track Road, ca 8 air mi E of Salsberg Reservoir, ca 28 air mi NNE of Saco; ca 45.5 air mi NE of Malta.
Clay soil in draw bottoms. Phenology: flowering & fruiting.

U.S.A., Montana, Phillips County: Lemere Coulee, ca 3 air mi SW of Haystack Butte, ca 28 air mi NNW of Malta.
Sagebrush-grasslands on clay soil with hills and swales. Phenology: fruiting.

U.S.A., Montana, Valley County: Jim Reservoir, N of Triple Crossing Road, ca 3 air mi WSW of Arrambide Reservoir, ca 23.5 air mi SW of Glasgow.
Shrubland with sagebrush and greasewood on badlands clay soil. Phenology: flowering & fruiting.

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

U.S.A., Montana, Big Horn County: West Decker Coal Site: Decker Quadrangle.
with A. B. Hoag.

U.S.A., North Dakota, Billings County: Medora.
Bare clay at foot of butte. Phenology: flowering.

U.S.A., Nebraska, Sioux County:
Sandy prairies. Common. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Upper North Platte and Laramie River Drainages: The Dry Lakes S of Beaver Rim or BLM Road 2401, ca 14.3 air mi NE of Jeffrey City.
Sagebrush-grassland. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Upper North Platte and Laramie River Drainages: Big Diamond Spring N of Diamond Springs Road, ca 20.3 air mi NE of Jeffrey City.
Sagebrush-grassland. Phenology: flowering & fruiting.

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, Valley County: E of the Milk River in Chapman Coulee just above Riverside Drive and Faraasen Park, ca 7 air mi NW of Glasgow.
Grassy clay flats with bare areas. Phenology: flowering.

U.S.A., Montana, Valley County: Along Willow Creek Road S of Archambeault Flats, ca 13 air mi W of Fort Peck; ca 15 air mi S of Glasgow.
Grassy and weedy clay flats. Phenology: flowering.

U.S.A., Montana, Valley County: Along Willow Creek Road above Barber Coulee at a hunting and fishing parking area, ca 36 air mi SW of Glasgow.
Grassland. 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, 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.
Open lower clay slopes and outwash areas. 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.
Grasslands with big sagebrush on stony clay soil. Phenology: flowering.

U.S.A., Montana, Phillips County: Charles M. Russell National Wildlife Refuge: along Refuge Road 306, W of U.S. Hwy 2, upper Antelope Creek Valley and ridge to the E, ca 4.5 air mi NNW of Fred Robinson Bridge, ca 19 air mi SW of Zortman; ca 62.5 air mi SW of Malta.
Greasewood and big sagebrush steppe on clay soil. 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: 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: 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.
Clayey-silt hardpans. 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.
Clay hardpan. 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.
Clay hardpan. Phenology: flowering.

U.S.A., Montana, Valley County: NE of Lone Tree Creek and Triple Crossing Access Road, ca 6 air mi E of Skull Reservoir, ca 21 air mi WSW of Fort Peck; ca 22 air mi SW of Glasgow.
Big-sagebrush steppe on thick clay. Phenology: flowering.

U.S.A., Montana, Valley County: W of Stebly Road, above Browning Coulee, ca 3 air mi NE of Chico Reservoir, ca 22 air mi WSW of Fort Peck; ca 24 air mi SSW of Glasgow.
Big-sagebrush steppe on thick clay. Phenology: flowering & fruiting.

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.
Thick clay and silty hardpans. 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.
Big-sagebrush steppe with greasewood on heavy clay. Phenology: flowering & fruiting.

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 steppe with greasewood on clay. Phenology: flowering & fruiting.
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.
On mostly barren silty hardpans. Phenology: flowering & fruiting.
with Mark Majerus, Michael Dolan, Noorjahan Parwana, and Katie Butts

U.S.A., Montana, Phillips County: Charles M. Russell National Wildlife Refuge: Reynolds Hill, ca 2 air mi N of Fourchette Creek Recreation Area, ca 44 air mi ESE of Zortman; ca 38 air mi SSE of Malta.
Sagebrush-greasewood steppe on silty clay. Phenology: flowering & fruiting.

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.
Badlands clay slopes. Phenology: flowering & fruiting.

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 on stony clay soil with disturbed areas. 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, 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.
Badlands clay slopes. Phenology: flowering & fruiting.

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 steppe with greasewood on silty clay. 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: Middle Eighth Ridge, ca 2.5 air mi ENE of Graveyard Hill, ca 24 air mi SW of Fort Peck; ca 30 air mi SSW of Glasgow.
Grasslands with big sagebrush on clay. Phenology: flowering & fruiting.

U.S.A., Montana, Phillips County: American Prairie Reserve: Parrot Coulee at confluence with Beaver Creek, ca 1.5 air mi SW of Veseth Reservoir, ca 16 air mi E of Zortman; ca 36 air mi SSW of Malta.
Silty flats above creek bed. Phenology: flowering & fruiting.
with Damien Austin

U.S.A., Montana, Valley County: Corral Reservoir and Timber Creek, S of Triple Crossing Access Road, ca 9.5 air mi WNW of Halfpint Reservoir, ca 41 air mi W of Fort Peck; ca 36 air mi WSW of Glasgow.
Grasslands with greasewood and big sagebrush on clay to stony loamy soil. Phenology: flowering & fruiting.

U.S.A., Montana, Valley County: Brazil Creek, S of Bentonite Road, ca 2.5 air mi WSW of Mahan and Hoyt Reservoir, ca 9 air mi S of Tampico; ca 8 air mi W of Glasgow.
Disturbed two-track. Phenology: flowering & fruiting.

U.S.A., Colorado, Grand County: Blue Valley Ranch: W of Paintbrush Pond.
Sagebrush steppe in dry mountain loam with east aspect. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Sierra Madre: SW of Encampment ca 1 air mi.
Dry open slope in sagebrush. Infrequent. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Sierra Madre: old Hog Park Road, ca 1.5 air mi SW of Encampment.
Dry sagebrush slope. Infrequent. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Sierra Madre: above Purgatory Gulch, ca 4.7 air mi SSE of Encampment.
Dry rocky slope. Rare. Phenology: flowering & fruiting.

U.S.A., Colorado, Ouray County: San Juan Mountains: Miller Mesa, along County Road 5, ca 4 3/4 road mi SSW of Colo Hwy 62, ca 5 air mi SW of Ridgway.
Along county road in ponderosa pine. Phenology: flowering.
1. Dieteria canescens (Pursh) Nutt. var. canescens .

U.S.A., Colorado, Montrose County: Uncompahgre Plateau: Uncompahgre National Forest: Sawmill Mesa, off of Sawmill Mesa Road, ca 2.5 road mi SW of the forest boundary, ca 21.5 air mi SW of Delta.
Sagebrush and mixed mountain shrub community. Phenology: flowering & fruiting.
1. Dieteria canescens (Pursh) Nutt. var. canescens .

U.S.A., Colorado, Ouray County: Uncompahgre River Valley: along County Road 23, ca 1.5 air mi S of Ridgway.
Roadside in mountain shrub/sagebrush mix. Phenology: flowering & fruiting.
1. Dieteria canescens (Pursh) Nutt. var. canescens .

U.S.A., Colorado, Delta County: Uncompahgre Plateau: Escalante Canyon: Cottonwood Spring, ca 9 3/4 road mi up the canyon from the Gunnison River, ca 15.5 air mi SW of Delta.
Sandstone canyon in pinyon/juniper. Phenology: flowering.
with Gay Austin

U.S.A., Colorado, Mesa County: Uncompahgre Plateau: Tabeguache Trail or SS Road, between Gibbler Gulch and Dominguez Canyon, ca 26 air mi WNW of Delta.
Pinyon/juniper and sagebrush on very sandy soil. Phenology: flowering & fruiting.
with Gay Austin

U.S.A., Colorado, Mesa County: Uncompahgre Plateau: Tabeguache Trail or SS Road, just NW of Dominguez Canyon and SE of Gibbler Gulch, ca 25 air mi WNW of Delta.
Sandstone pavement in ponderosa pine. Phenology: flowering & fruiting.
with Gay Austin

U.S.A., Colorado, Mesa County: Uncompahgre Plateau: Little Dominguez Canyon from Poison Canyon to the bend on the east side of Star Mesa, ca 16.5 air mi WNW of Delta.
Along dry wash in sparse pinyon/juniper/shrub/rock mix. Delta and Mesa County Phenology: flowering & fruiting.

U.S.A., Idaho, Butte County: Challis National Forest: Lost River Range: lower Ramshorn Canyon, 12.4 air mi N of Arco.
Sandy or gravelly soil in xeric roadside vegetation; 28° slope, SSW aspect; alluvial geology. 1-25 individuals apparent. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Pedro Mountains: Pyramid Mountain, ca 6.3 air mi W of County Road 291; ca 7.3 air mi NW of Leo.
Granite outcrops and slope of lodgepole pine; recent burn. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Southwestern Wyoming and Adjacent Utah: Flaming Gorge East: ca 8 air mi SE of Buckboard Crossing; ca 9.1 road mi S of Buckboard Road on Wyo Hwy 373, then 1.3 road mi E of Wyo Hwy 373.
Tamarix invading shoreline; rabbitbrush-sagebrush community on edge oflakeshore; gentle slopes. Phenology: flowering & fruiting.

U.S.A, Idaho, Custer County: Challis National Forest: Lost River Range: just below the summit of the mountain on the north side of Horseheaven Pass, 23.5 air mi NNW of Mackay.
<25 plants estimated in xeric coarse textured soil within a mountain mahogany vegetation, 27 degree slope, S aspect, limestone geology. Phenology: flowering & fruiting.

U.S.A, Idaho, Lemhi County: Salmon National Forest: Beaverhead Mountains: near the confluence of Reservoir and Big Bear creeks, 9.8 air mi E of Leadore.
<25 plants estimated in xeric soil within roadside vegetation, 9 degree slope, NNW aspect, chert geology. Phenology: flowering.

U.S.A, Idaho, Custer County: Challis National Forest: Eastern Boulder Mountains: valley of the North Fork Big Lost River, between Slide and Corral canyons, 16.5 air mi NNE of Sun Valley.
<25 plants estimated in xeric coarse textured soil within roadside vegetation, 4 degree slope, SSE aspect, shale geology. Phenology: flowering & fruiting.
with Ben Legler

U.S.A, Idaho, Custer County: Challis National Forest: Salmon River Mountains: E of White Cloud Peaks along ridgetop N of Bowery Creek and N of Long Tom Creek, 23.8 air mi N of Sun Valley.
<25 plants estimated in xeric soil within shrub-steppe vegetation, 22 degree slope, E aspect, trachyandesite geology. Phenology: flowering & fruiting.

U.S.A., Utah, Daggett County: North Slope Uinta Mountains: Flaming Gorge National Recreation Area: ca 2 air mi S of Dutch John on the east side of the Green River, south of Flaming Gorge Dam.
Pinyon-juniper woodlands, some riparian areas, and west-facing red sandstone cliffs. Phenology: flowering & fruiting.

U.S.A., Idaho, Lemhi County: Salmon National Forest: Beaverhead Mountains: Ida Hwy 29 (Railroad Creek Road), ca 1 road mi E of Bannock Pass.
Sandstone outcrops and sandy slopes. Phenology: flowering.
Annotated by Joshua J. Irwin.

U.S.A., Idaho, Lemhi County: Beaverhead Mountains: Ida Hwy 29 (Railroad Creek Road), vicinity of Canyon Creek and Whiskey Spring Creek.
White, chalky, calcareous substrate. Phenology: flowering & fruiting.
Annotated by Joshua J. Irwin.

U.S.A., Wyoming, Goshen County: Ca 4 mi NE of Lingle.
Sandy grassland, with Physalis and Ambrosia. Rays lavender. Sampled for molecular study-Rob Massatti, USGS Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: Ca 8 mi NE of Hawk Springs.
Sandy grassland, with Bouteloua and Clamovilfa. Rays lavender. Sampled for molecular study-Rob Massatti, USGS Phenology: flowering & fruiting.

U.S.A., Wyoming, Uinta County: [location and coordinates withheld]
Red clay soils; gentle slopes with semi-barren sagebrush. Phenology: flowering & fruiting.

U.S.A., Wyoming, Uinta County: Basins and Mountains of Southwest Wyoming: ca 5 air mi NE of Evanston; ca 5.5 road mi E on County Road 108 towards radio tower off of Wyo Hwy 89; east flank of Medicine Butte.
Steep slopes, aspen grove, and sagebrush community. Phenology: flowering & fruiting.

U.S.A., Idaho, Custer County: Challis National Forest: Southern Salmon River Mountains: ca 1.5 road mi N of Ida Hwy 75 on Squaw Creek Road, along road for ca 0.3 mi, ca 20 air mi SW of Challis.
Talus slopes and roadside.
Annotated by Joshua J. Irwin.

U.S.A., Montana, Beaverhead County: Foothills of the Snowcrest Range: Blacktail State Wildlife Management Area: East Fork Blacktail Deer Creek, ca 10 air mi NW of Antone Peak, ca 27 air mi SE of Dillon.
Grasslands on sandy soil. Phenology: flowering.

Shoreline and uplands of river; alternating sand and clay sediments. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Freezeout Mountains: Petes Gap, ca 6 air mi W of Wyo Hwy 487; ca 10.8 air mi NW of Medicine Bow.
Silver sage on red sandy flats. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Sierra Madre: Quimbey Park, above North Fork Big Creek, east side of Forest Road 415, ca 1.5 mi SE of Bear Mountain.
364991E, 4546145N; NAD 83, Specimen Label
Southwest-facing valley slopes on gravelly loam; with Purshia tridentata, Artemisia tridentata var. wyomingensis, Phacelia sericea, and Castilleja lineariifolia. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Sierra Madre: Big Creek Park, above Forest Road 407, ca 3.5 mi SSE of Bear Mountain.
362573E, 4542746N; NAD 83, Specimen Label
Bare valley slopes, sandy gravelly limestone outcrop, southwest and west aspect; with Astragalus kentrophyta, Machaeranthera coloradensis, Achnatherum hymenoides, and Physaria parvula. Common. Phenology: flowering & fruiting.

U.S.A., Colorado, Montrose County: Uncompaghre Plateau: 25 Mesa: Monitor Creek, ca 20.5 air mi SW of Delta.
Roadside in pinyon/juniper on sandstone mesa. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Hanna Basin: Medicine Bow River at County Road 291, ca 10.1 air mi N of Hanna.
Sagebrush-greasewood in disturbed area. Phenology: flowering.

U.S.A., Colorado, Montrose County: Uncompahgre Plateau: small canyon between Spring Creek and Dave Wood Road, ca 2/3 road mi SW of Dave Wood Road on BLM road, ca 9.5 air mi SW of Montrose.
Pinyon/juniper woodland. Phenology: flowering & fruiting.

U.S.A., Colorado, Montrose County: North Fork Valley: Fruitland Mesa, County Road C77 W of Poison Spring Gulch, ca 12.5 air mi SSE of Hotchkiss.
Sagebrush community on mesa. Phenology: flowering & fruiting.

U.S.A., Utah, Daggett County: Southwestern Wyoming and Adjacent Utah: Uinta Mts: Big Springs: ca 5.8 air mi SSW of Manila; ca 5.3 road mi south on Forest Road 218 on both sides of the road.
Creekside, willows, scattered Junipers.

U.S.A., Utah, Daggett County: North Slope Uinta Mountains: Ashley National Forest: ca 7.6 road mi E on Forest Road 218 from Utah Hwy 44; south side of road.
Aspens, conifer forest, creek. Phenology: fruiting.

U.S.A., Wyoming, Crook County: Ca 6 mi SSW of Hulett.
Grassy bank, with Liatris and Hesperostipa. Ray flowers lavender. Sampled for molecular study-Rob Massatti, USGS Phenology: flowering & fruiting.

U.S.A., Utah, Daggett County: North Slope Uinta Mountains: Ashley National Forest: south side of Forest Road 539 along west side of Deep Creek; Deep Creek Campground.
Spruce forest, seeps, streambank. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Ferris Mountains: southeast end of range, ca 17.4 air mi N of Independence Rock.
Sagebrush-grassland; red sandy soil; Artemisia nova common. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Lander Training Area: north end of transect ca 0.5 km E of Smith Creek, ca 4.3 W of Little Popo Agie River.
West to southwest-flowing drainages and slopes; Wyoming big sagebrush/basin big sagebrush with mixed grasses; Frontier/Mowry formation, sandy clay to clay loam with pebbles; with Artemisia tridentata, Chrysothamnus nauseosus, Gutierrezia sarothrae, Bromus tectorum, Koeleria macrantha, Poa secunda. Scattered; ascending, taprooted, perennial herb: 1.5 to 2.0 dm tall; sepal appear recurved; disk yellow; ray purple. Phenology: flowering.
1. Machaeranthera canescens (Pursh) A. Gray var. canescens .
Patricia P. Douglas, 244. 5/22/2000.
with Nancy E. Hastings

U.S.A., Wyoming, Albany County: West slope Laramie Range: ca 1.3 mi N of U.S. Hwy 30, ca 3.1 air mi E of downtown Laramie.
Creek bank, silty loam; with Tetradymia canescens, Achnatherum hymenoides. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Oregon Buttes Wilderness Study Area: ca 2.5 air mi SSE of Oregon Butte summit, ca 17 air mi SW of South Pass City.
Rolling basin incised by gullied creeks; with Elymus elymoides, Allium textile. Phenology: flowering.

U.S.A., Wyoming, Goshen County: Fort Laramie National Historic Site.
Grassland, with Yucca, Aristida Rays lavender. Phenology: flowering.

U.S.A., Utah, Daggett County: Southwestern Wyoming and Adjacent Utah: Browns Park: Green River, ca 13 air mi ESE of Dutch John; 1.8 mi S of junction of Jarvie Ranch/Browns Park roads on west side Browns Park Road.
T2N R25E S30 South1/2; also N1/2 S31
Upland, sandy soils, scattered juniper, salt desert shrubs. Phenology: flowering & fruiting.
with Barbara McNight

U.S.A., Utah, Summit County: North Slope Uinta Mountains: Wasatch National Forest: Poison Mountain, ca 23 air mi S of Mountain View, Wyoming on west side of Forest Road 046.
Steep slopes, gravelly clay soils, sagebrush, Amelanchier, aspen, conifers. Phenology: flowering & fruiting.

U.S.A., Utah, Daggett County: North Slope Uinta Mountains: Ashley National Forest: Burnt Creek, ca 10.8 air mi SSE of Manila; south side of Utah Hwy 44.
Dry upland, ponderosa pine, red soils with clay. Phenology: flowering & fruiting.
with S. Goodrich

U.S.A., Wyoming, Uinta County: [location and coordinates withheld]
Upland, salt desert shrub. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: Linwood Canyon, ca 2.8 air mi NE of Manila, Utah on both sides of Wyo Hwy 530.
Semi-barren desert hills, scattered juniper, red sandstone outcrops. Phenology: flowering & fruiting.

U.S.A., Utah, Daggett County: North Slope Uinta Mountains: Ashley National Forest: East Fork Eagle Creek, ca 9.6 air mi SE of Manila; 1.4 mi W of Red Canyon Road on both sides of Forest Road 529.
Upland, lodgepole pine, slopes. Phenology: flowering & fruiting.

U.S.A., Utah, Daggett County: North Slope Uinta Mountains: Flaming Gorge National Recreation Area: Carter Creek, ca 8.1 air mi S of Manila on north side of Utah Hwy 44.
Upland, ponderosa pine, scattered juniper, mostly clay soils. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Como Lake S of U.S. Hwy 30-287, ca 9 air mi W of Medicine Bow townsite.
Sagebrush-grassland with greasewood. Sampled for molecular study-Rob Massatti, USGS Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Hanna Basin: Sand Ridge N of U.S. Hwy 30-287, ca 4.4 air mi NW of Hanna.
Grasslands on coal beds with rabbitbrush and four-winged saltbush. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Edson N of U.S. Hwy 30-287, ca 12 air mi SW of Hanna.
Sagebrush, rabbitbrush, and grasses common. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Castle Basin E of Buzzard or County Road 497, ca 19.4 air mi E of Three Forks Junction.
Sagebrush-grassland; red sandy soil. Phenology: flowering.