Astragalus drummondii (1997)
FABACEAE
Astragalus drummondii Douglas ex Hook.
U.S.A., Colorado, Las Animas County: Southeastern Colorado: Trinidad Lake State Recreation Area: in the hills above the northwestern shore of Trinidad Lake in the developed campground, ca 5 air mi ESE of Trinidad.
Elev. 6500 ft.
On rocky slopes in pinyon-juniper. Phenology: flowering.
Accession: RM (unaccessioned)

Astragalus drummondii (1996)
FABACEAE
Astragalus drummondii Douglas ex Hook.
U.S.A., Wyoming, Park County: Northern Absaroka Area: hogbacks E of Bald Ridge between Sheep and Newmeyer creeks, ca 10 air mi SW of Clark; ca 21.5 air mi NW of Cody.
Grassland or sagebrush grassland basin on redbeds. Phenology: flowering.
Accession: RM 679786, Barcode: RM0053642

Astragalus drummondii (1997)
FABACEAE
Astragalus drummondii Douglas ex Hook.
U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: abandoned townsite of Carbon on Carbon Creek ca 2 air mi NE of Simpson Ridge, ca 9.5 air mi SW of Medicine Bow; ca 10 air mi SE of Hanna.
Flats along the stream among old building foundations. Phenology: flowering & fruiting.
Accession: RM 667469, Barcode: RM0160116

U.S.A., Wyoming, Park County: Northern Absaroka Area: Sheep Mountain, north-central access from 0.8-1.1 air mi S of County Road 6FU on west branch of central drainage.
Along stream though limestone canyon with some open, grassy areas. Phenology: flowering & fruiting.
with David Rosenthal
Accession: RM 679787, Barcode: RM0053645

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: fruiting.
with David Rosenthal

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: west end of Fort Steele Breaks, W of the North Platte River, ca 6.5 air mi N of Sinclair; ca 10.5 air mi NE of Rawlins.
Rough breaks of sandstone and mudstone with intervening draws of sand to clay dominated by sagebrush with hopsage, shadscale, Gardners saltbush, and spiny horsebrush. Phenology: flowering.
with Amy J. Roderick

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.
Sagebrush slopes leading to meadows on north facing slopes. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Wind River Range: Shoshone National Forest: Warm Springs Canyon access from east side of Warm Springs Mountain, ca 6.5 air mi ENE of Dubois; ca 1 air mi S of Stoney Point.
Spruce/fir forest. Phenology: flowering.

U.S.A., Wyoming, Park County: Northern Absaroka Area: Shoshone National Forest: Northern Absaroka Wilderness: Dead Indian Creek Trail, ca 21 air mi NW of Cody.
Sagebrush slopes with scattered limber pine, juniper, and spruce/fir forest in moist areas. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Seminoe Mountains: along Seminoe or County Road 351 at the pass, ca 2 air mi NNW of Seminoe Dam; ca 31 air mi NE of Rawlins.
Rocky-gravelly slopes with rock outcrops and limber pine woodland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Seminoe Mountains: along Hanna-Leo or County Road 291, ca 20.5 air mi NNW of Hanna; ca 35 air mi NE of Rawlins.
Moist draw and swale with limber pine. Phenology: flowering & fruiting.

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: Southwestern Absarokas: junction of Cabin Creek, South Fork Shoshone River and vicinity, ca 45 air mi SW of Cody.
Mixed Picea-Pinus flexilis-Juniperus forest on rocky volcanics. Phenology: flowering.

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: fruiting.
with Jim Fowler

U.S.A., Wyoming, Niobrara County: Thunder Basin National Grassland and Vicinity: ridge W of East and West Rabbit mountains on Wyo Hwy 270, ca 21.5 air mi NNW of Lusk; ca 46 air mi ENE of Douglas.
Ponderosa pine woodland with limestone outcrops. Phenology: fruiting.
Peter J. Ebertowski, 1040. 7/3/2002.
Accession: RM (unaccessioned)

U.S.A., Wyoming, Albany County: Upper North Platte and Laramie River Drainages: Boot Heel, ca 7 air mi SW of Marshall.
Sandstone outcrops and sandy slopes. Phenology: flowering.
with Amy J. Roderick and B. A. Packer

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: western edge of Duck Creek Breaks, immediately E of Duck Creek on two track road, ca 35 air mi NE of Gillette; ca 15 air mi NW of Oshoto.
Hilly grassland with rocky and clayey bare patches and ravines with ponderosa pine and Rocky Mountain juniper. Phenology: flowering.
Accession: RM (unaccessioned)

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: ridges by radio tower W of West Fork Buffalo Creek on dirt road (continuation of County Road 18), ca 14 air mi SW of Upton; ca 30 air mi WNW of Newcastle.
Sagebrush grassland with slopes of little bluestem and rock outcrops. Phenology: flowering & fruiting.
Peter J. Ebertowski, 4298. 6/4/2003.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: hills W of Skull Creek, on County Road 14, ca 5.5 air mi N of Osage; ca 12 air mi ESE of Upton.
Hilly sagebrush grassland. Phenology: flowering & fruiting.
Peter J. Ebertowski, 4425. 6/8/2003.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: hills SE of and draining to Dry Forks Spring Creek on two-track off York or Forest Road 900, ca 30 air mi NNE of Gillette; ca 32 air mi NW of Moorcroft.
Stipa comata - Koeleria grassland with patches of Schizachyrium. Phenology: fruiting.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: hills W of Dry Creek, on Forest Road 913, ca 8 air mi NE of Upton; ca 25 air mi NW of Newcastle.
Sagebrush grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: hills N of confluence of North Fork Duck Creek and Duck Creek, off dirt road to Dickinson Ranch, ca 39 air mi NNE of Gillette; ca 39 air mi NNW of Moorcroft.
Slopes forming ravine in silver sagebrush grassland. Phenology: fruiting.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: hills E of and draining to East Iron Creek, on four wheel drive road, ca 8 air mi ENE of Upton; ca 23 air mi NW of Newcastle.
Sagebrush grassland, clayey soils. Phenology: fruiting.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: ca 15 air mi SE of junction of Wyo Hwy 487 and Wyo Hwy 220; ca 2 air mi SE of Twin Buttes.
Calcareous cap and upper slopes, sandy below. Phenology: flowering.
with Amy J. Roderick

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Ferris Mountains: Miners Canyon on northeastern side of range, ca 16 air mi N of Independence Rock.
Elev. 6600 ft.
Along creek; limber pine, Rocky Mountain maple, and Ribes common. Phenology: fruiting.
with Kevin J. Taylor

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: north side of Sheep Mountain, ca 1/4-1/2 mi S of County Road FU6.
Elev. 5700 ft.
Sagebrush-grassland community. Phenology: flowering & fruiting.

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

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

U.S.A., Wyoming, Park County: [location and coordinates withheld]
Cliffs and ledges of Willwood formation, mostly sandy soil. Phenology: flowering.

U.S.A., Montana, Carbon County: Beartooth Mountains: east flank of Beartooth Range: along east side of Meeteetse Trail Road, ca 5 mi S of Red Lodge.
Pinus flexilis woodland with some Douglas fir on limestone derived substrates with Poa cusickii, Eritrichium howardii and Hymenoxys acaulis.

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

U.S.A., Montana, Carbon County: [location and coordinates withheld]
Grassland with Festuca idahoensis, Koelaria macrantha, and Delphinium nuttallianum
Accession: (unaccessioned)

U.S.A., Montana, Sweet Grass County: Along Sliderock Mountain-Grouse Ridge Road ca 8 mi S of Big Timber.
Sagebrush-grassland with scattered small ponderosa pine.
Accession: (unaccessioned)

U.S.A., Montana, Stillwater County: Ca 1/4-1/2 mi S of Cliff Swallow fishing access site, ca 10 mi W of Absarokee.
Sagebrush-grassland with Festuca idahoensis, Koeleria macrantha, Zigadenus venenosus, and Artemisia tridentata var. vaseyana. Phenology: flowering.
Accession: RM 754663

U.S.A., Montana, Stillwater County: [location and coordinates withheld]
Meadow openings in forest with Geum triflorum, Zigadenus elegans, Balsamorhiza sagittata, and Lupinus wyethii. Phenology: flowering & fruiting.
Accession: RM 753971

U.S.A., Montana, Gallatin County: Madison Range: Gallatin National Forest: along trail ca 1 mi SW of Albino Lake, ca 12 mi S of Big Sky.
Mesic sagebrush-grassland with Festuca idahoensis, Stipa richardsonii, Pentaphylloides floribunda, and Artemisia cana.
Accession: 780173

U.S.A., Montana, Stillwater County: [location and coordinates withheld]
Grassland on south side of creek with Cerastium arvense, Festuca idahoensis, and Castilleja sessiliflora.

U.S.A., Montana, Sweet Grass County: [location and coordinates withheld]
Ridge and draw with open ponderosa pine forest and grassland with Pseudotsuga menziesii var. glauca, Leucopoa kingii, Festuca idahoensis, and Arenaria congesta var. lithophila.

U.S.A., Montana, Sweet Grass County: [location and coordinates withheld]
Grassland with Carex filifolia, Agropyron spicatum, and Arenaria hookeri.

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

U.S.A., Wyoming, Hot Springs County: Southeastern Absarokas: Sanford Draw ca 0.5 mi N of Grass Creek Road, in foothills ca 28 mi SSW of Meeteetse.
Open south-facing slope with Astragalus vexilliflexus, Hymenoxys acaulis, and Potentilla hippiana. Phenology: flowering.

U.S.A., Montana, Sweet Grass County: Beartooth Mountains: Custer National Forest: along Meyers Creek, in foothills ca 10 mi NW of Nye just W of the county line.
Meadow opening in Douglas fir-spruce forest with Festuca idahoensis, Antennaria anaphaloides, Geum triflorum, and Cerastium arvense.

U.S.A., Montana, Madison County: Madison Range: Beaverhead National Forest: ca 1/2 mi W of Hammond Creek Ranger Station, 12 mi E of Ennis.
Meadow openings and edge of Douglas fir forest with Medicago lupulina, Phleum pratense, Collomia linearis, and Geranium viscosissimum.

U.S.A., Montana, Carbon County: Ridge just W of Grove Creek: ca 4 mi NE of Cooney Reservoir, 22 mi N of Red Lodge.
Sagebrush-grassland with scattered groves of Ponderosa pine.
Accession: RM 780189

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

U.S.A., Montana, Park County: [location and coordinates withheld]
Sagebrush-grassland with Festuca idahoensis, Agropyron spicatum, Antennaria umbrinella, and Arenaria congesta. Phenology: flowering.

U.S.A., Wyoming, Fremont County: [location and coordinates withheld]
Saltbush-forbland with Atriplex gardneri, Allium textile, Lomatium foeniculaceum, Penstemon eriantherus, and Artemisia pedatifida. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Southeastern Absarokas: Shoshone National Forest: along Forest Road 285 (Double Cabin), ca 1.2 mi NE of Horse Creek Campground.
Vernally moist meadow opening in Douglas fir forest with Festuca idahoensis, Polygonum bistortoides, and Nothocalais nigrescens. Phenology: flowering & fruiting.

U.S.A., Montana, Sweet Grass County: Beartooth Mountains: Gallatin National Forest: confluence of Derby Gulch and North Derby Gulch, ca 16 mi SSE of Big Timber.
Open Douglas fir forest with Antennaria racemosa, Arnica cordifolia, Juniperus communis, and Astragalus miser var. hylophilus. Phenology: flowering & fruiting.

U.S.A., Montana, Sweet Grass County: Beartooth Mountains: Gallatin National Forest: Fuller Gulch ca 0.5 mi SE of East Boulder Campground, 20 mi S of Big Timber.
Meadow with Phleum pratense, Trifolium repens, Pedicularis bracteosa, and Lithophragma parviflorum. Phenology: flowering.

U.S.A., Montana, Stillwater County: Ridge ca 1/4 mi E of Montana Highway 78, 1 mi NE of Absarokee.
Disturbed sagebrush grassland with Allium textile, Agropyron spicatum, and Artemisia frigida. Phenology: flowering.

U.S.A., Montana, Park County: Gallatin Range foothills: ridge 1/8-1/4 mi N of Cokedale Road, 6 mi W of Livingston.
Grassland/forbland on south facing slope and rocky breaks with scattered juniper and limber pine. Phenology: flowering & fruiting.

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

U.S.A., Montana, Park County: Absaroka Mountains: Gallatin National Forest: along Gold Prize Creek, 0-1/3 mi E of confluence with Sixmile Creek, 8 mi S of Emigrant.
Grassland/forbland with Festuca idahoensis, Bromus tectorum, and Phacelia linearis on south facing slope north of creek. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Hot Springs County: Absaroka Mountains: ridge ca 1/3 mi N of the Middle Fork Owl Creek, ca 6 mi WNW of Anchor Reservoir; 40 mi WNW of Thermopolis.
Grassland with some Artemisia tridentata var. vaseyana, and with Koeleria macrantha and Carex filifolia as dominants. Phenology: flowering.

U.S.A., Montana, Park County: Ridge and draw immediately E of the Yellowstone River, ca 2.5 mi S of Livingston.
T2S R9E S36
Grassland with some scattered limber pine and Douglas fir. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: along Red Spring Draw Road, ca 5 mi S of Wyo Hwy 172, 10 mi ENE of Thermopolis.
Sagebrush-grassland with Elymus spicatus, Cryptantha celosoides, and Bromus tectorum. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Bridger Mountains: south side of Birdseye Mountain, 1.5 mi SW of Birdseye Pass; 14 mi N of Shoshoni.
Sagebrush-grassland with scattered juniper, Carex filifolia, Koeleria macrantha, and Lomatium orientale. Phenology: flowering.
Accession: RM 820373, Barcode: rm0023858

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

U.S.A., Montana, Stillwater County: Ridge just N of the Huntley Creek Road, 4 mi SW of Columbus.
Grassland and open ponderosa pine forest on south-facing slope with Koeleria macrantha, Cerastium arvense, Pediomelum esculentum, and Zigadenus venenosus var. gramineus. Phenology: flowering & fruiting.

U.S.A., Montana, Sweet Grass County: Ridge ca 1 mi S of the Yellowstone River and 2 mi WSW of Reed Point.
Grassland and open ponderosa pine forest with Purshia tridentata, Geum triflorum, Arnica sororia, and Astragalus miser var. decumbens. Phenology: flowering.

U.S.A., Colorado, Rio Grande County: Eastern San Juan Mountains: along Forest Road 345, E of Hogback Mesa, above Aspen Creek, ca 15 air mi SW of Del Norte.
Stony slope with patches of bristlecone pine. Phenology: flowering.
Annotations:
1. Astragalus drummondii Douglas ex Hook.
Annotated by Jeanette Flaig.
with Jeanette Flaig

U.S.A., Colorado, Conejos County: Eastern San Juan Mountains: in The Canyon and adjacent areas on Forest Road 255 at the forest boundary, ca 12 air mi NW of Capulin; ca 15 air mi SSE of Monte Vista.
Drier areas in the bottom. Phenology: flowering & fruiting.
Annotations:
1. Astragalus drummondii Douglas ex Hook.
Annotated by Jeanette Flaig.

U.S.A., Colorado, Rio Grande County: Eastern San Juan Mountains: Rio Grande National Forest: U.S. Hwy 160 W from Del Norte to County Road 19.
Along highway. Phenology: fruiting.

U.S.A., Colorado, Rio Grande County: Eastern San Juan Mountains: U.S. Hwy 160 E to Monte Vista, S on Colo Hwy 15 to County Road 2S (west); changes to Forest Road 28 then 10.2 road mi.
Pinyon/juniper woodland on north facing slope. Phenology: fruiting.

U.S.A., Colorado, Conejos County: Eastern San Juan Mountains: 2.5 road mi at Colo Hwy 17.
Roadside. Phenology: flowering & fruiting.
Annotations:
1. Astragalus drummondii Douglas ex Hook.
Annotated by Jeanette Flaig.
with Jeanette Flaig

U.S.A., Colorado, Mineral County: Eastern San Juan Mountains: Rio Grande National Forest: Colo Hwy 149 W of Creede to Forest Road 507, 1.5 air mi on Forest Road 507 to Forest Road 508 then 0.6 road mi.
Grassy slopes of hill with scattered shrubs, Douglas fir-aspen slope, and disturbed areas due to mining activity; grassy slopes. Phenology: flowering.
with Jeanette Flaig

U.S.A., Colorado, Rio Grande County: Eastern San Juan Mountains: vicinity of Fulcher Gulch, ca 13 air mi SW of Monte Vista off Forest Road 270.
Xeric open foothills, 7% east-facing slope with scattered pinyon pine. Phenology: flowering.

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

U.S.A., Colorado, Rio Grande County: Eastern San Juan Mountains: Rio Grande National Forest: Forest Road 660, just E of Old Woman Creek, ca 12 air mi NNE of Del Norte.
Rocky summit with Pinus flexilis. Phenology: flowering.

U.S.A., Colorado, Saguache County: Eastern San Juan Mountains: N of Lime Creek, vicinity of Biedell Creek, off County Road 42K, ca 21 air mi N of Del Norte.
Xeric foothills. Phenology: flowering.
with Sue Komarek

U.S.A., Colorado, Saguache County: Eastern San Juan Mountains: North Tracy Canyon, vicinity of Devils Knob, 3 air mi SW of Saguache.
Rocky summit just south of Devils Knob down south slope and along roadside. Phenology: flowering.
with Kurt Flaig

U.S.A., Colorado, Saguache County: Eastern San Juan Mountains: Rio Grande National Forest: Laughlin Gulch, Burro Canyon, 9 air mi W of Saguache.
South-facing slope with rock outcrops. Phenology: flowering.
with Kurt Flaig

U.S.A., Colorado, Saguache County: Eastern San Juan Mountains: Rio Grande National Forest: Seitz Creek, Forest Road 650, 14 air mi NW of Del Norte; S of Cyclone Mountain.
Very open pinyon woodland with scattered ponderosa pine. Phenology: flowering & fruiting.

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: fruiting.

U.S.A., Colorado, Mineral County: Eastern San Juan Mountains: Rio Grande National Forest: Bachelor Loop, S of Bulldog Mountain, 4.5 mi NW of Creede.
Mixed grass prairie foothills. Phenology: flowering.
with Kurt Flaig

U.S.A., Colorado, Conejos County: Eastern San Juan Mountains: Rio Grande National Forest: Fox Creek Road, just S of Hicks Canyon, 17 air mi SW of Centro.
Ponderosa pine and juniper woodland on north northeast-facing slope. Phenology: fruiting.

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

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

U.S.A., Colorado, Conejos County: Eastern San Juan Mountains: Rio Grande National Forest: 3-3.5 air mi S of Fox Creek, mountain immediately to E of Bighorn Creek and Forest Road 28.
Mixed conifer forest. Phenology: fruiting.

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

U.S.A., Colorado, Grand County: Arapaho National Forest: Middle Park: just E of Willow Creek Reservoir between Willow Creek and County Road 40, ca 4.5 air mi N of Granby.
Gravelly sagebrush slope. Phenology: flowering.
Annotated by Erin Foley.
with Erin and Michael Foley

U.S.A., Colorado, Grand County: Windy Gap, ca 2.5 air mi NW Granby and ca 7.5 air mi NE of Hot Sulphur Springs.
Sagebrush slope adjacent to riparian seep. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Great Divide Basin Area: Great Divide Basin: Table Mountain and vicinity, ca 17 air mi SE of Lamont; ca 9 air mi SW of Bradley Peak.
Dry, rocky, steep northeast-facing slope with stratified outcrops; partially vegetated; dry, rocky soil. Phenology: fruiting.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Popo Agie River Drainage: along Twin Creek, ca 6 air mi NW of Schoettlin Mountain; ca 21 air mi SE of Lander.
Sparsely vegetated shaded creek bottom with red clay soil; tall Salix dominant. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Green Mountain, ca 7 air mi W of Muddy Gap.
Streamside, rocky slopes, and lodgepole pine covered slopes. Phenology: fruiting.

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

U.S.A., Wyoming, Carbon County: [location and coordinates withheld]
Base of sandstone outcrop on top of ridge; sandy, rocky soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: [location and coordinates withheld]
Partially vegetated west facing slope with grasses and scattered low sagebrush; sandy soil with sandstone outcrops. Phenology: flowering.

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

U.S.A., Wyoming, Carbon County: Great Divide Basin Area: Great Divide Basin: Haystack Mountains, ca 9.5 air mi NE of Rawlins; ca 5 air mi SE of Dry Lake.
Partially vegetated west facing slope with sandy rocky soil. Phenology: fruiting.

U.S.A., Wyoming, Fremont County: [location and coordinates withheld]
Along creek with dense grasses. Phenology: fruiting.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Popo Agie River Drainage: above Red Bluff Canyon, ca 6 air mi N of Schoettlin Mountain; ca 5.5 air mi SE of Weiser Pass.
Dry east facing slope with sagebrush and grasses; rocky sandy soil. Phenology: fruiting.
Accession: 674993, Barcode: RM0160107

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.
Moist draw between steep hills with dense graminoids and scattered Ribes shrubs; rocky sandy soil. Phenology: 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.
Dry west facing slope with granitic outcrops and Bromus, scattered sagebrush, and juniper; fine silty soil. Phenology: 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: fruiting.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Freezeout Mountains: ca 1 air mi from junction of Wyo Hwy 77 and Wyo Hwy 487, ca 22 air mi NW of Medicine Bow.
Sagebrush grassland. Phenology: flowering & fruiting.

U.S.A., New Mexico, Colfax County: On the Johnson Mesa, near Folsom.
Phenology: flowering & fruiting.
with Ruth A. Nelson

U.S.A., Wyoming, Washakie County: Tensleep Preserve, The Nature Conservancy: southwest flank, foothills of the Big Horn Mountains, about 10 miles east of Ten Sleep in north central Wyoming.
On dry grassland with Artemisia tridentata, Orobanche fasciculata, Linum lewisii, Sedum lanceolatum, Gaillardia aristata, Ipomopsis spicata, Polemonium viscosum, Erigeron spp., Castilleja sp., Eriogonum flavum, E. ovalifolium, Symphoricarpos oreophilus, Microseris nutans, Erodium cicutarium, Rosa sayi, Crepis atribarba, Antennaria dimorpha, Phlox hoodii, Lomatium triternatum, Astragalus drummondii, and Astragalus eucosmus. Flowers cream colored. also Paul B. Marcum, Loy Richard Phillippe Phenology: flowering & fruiting.
with Leland Crane, David M. Ketzner, Mary Ann Feist, Richard L. Larimore,

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

U.S.A., Colorado, Chaffee County: Central Colorado: Sawatch Range, East Slope Continental Divide: off Forest Road 340A just beyond the sand pit, hill on south side of road, ca 4.5 air mi W of Buena Vista.
Ponderosa and pinyon forest. Phenology: flowering.

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: ca 7.5 air mi ENE of Gunnison.
Sagebrush meadow. Phenology: flowering.

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: along a tributary of Cabin Creek, ca 8.5 air mi ENE of Gunnison.
Along creek. Phenology: flowering.

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: ca 6 air mi NE of Gunnison.
Sagebrush meadow. Phenology: flowering.

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: ca 4.5 air mi ESE of Parlin.
Wet drainage (no surface water); Salix and Pentaphylloides. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Upper Wind River Watershed: Little Warm Springs: ca 2 air m W of Dubois; road toward Little Warm Springs subdivision, and walk down toward reservoir from crest of hill.
Artemisia tridentata var. wyomingensis stand. Plot 96008 NW, SW, NW Phenology: flowering.

U.S.A., Wyoming, Fremont County: Upper Wind River Watershed: Lower Horse Draw: ca 11.5 air mi NE of Dubois; middle of large flat area E of road, mid-way up the climb NE of the campground and Dennison Place.
Artemisia tridentata var. wyomingensis, Elymus spicatus stand. Plot 93061 CS1/2 Phenology: flowering.
with John Tamsen

U.S.A., Wyoming, Fremont County: Upper Wind River Watershed: bench above Tappan Creek: ca 2.3 mi N of Dubois; E of 2-track that runs up through draw.
Sagebrush. Plot 94012 SW, NW, NE

U.S.A., Wyoming, Fremont County: Upper Wind River Watershed: bench above Tappan Creek, ca 2.3 mi N of Dubois; E of 2-track that runs up through draw.
Sagebrush. Plot 94012 SW, NW, NE Phenology: flowering & fruiting.
with Chris Queen

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

U.S.A., Nebraska, Dawes County: Oglala National Grassland and Vicinity: west end of Wolf Butte, ca 19.5 air mi N of Crawford.
Stony grassy slopes. Phenology: flowering.
Annotated by Grace M. Kostel.
with Grace Kostel

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: ca 15 air mi SSW of Edgemont off Forest Road 7012.
On grassy upland and plant diverse areas of moisture collection, ridge "edge" slumps. Phenology: vegetative only.

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: ca 16.5-17 air mi SW of Edgemontand 0.5 mi N of Forest Road 7078.
On rock outcrop of grass upland. Phenology: vegetative only.

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

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: ca 23 air mi SW of Edgemont.
Up butte and across ridge, gravelly soil. Phenology: flowering.
with B. E. Nelson

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: ca 19 air mi SW of Edgemont at junction of Forest roads 7009 and 7011.
On shale sideslope grading into silt. Phenology: flowering.
with B. E. Nelson

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 9 air mi SE of Ardmore, South Dakota and 3.5 air mi due S of South Dakota.
In Nassellus viridula plant community on gentle rolling uplands of silt soils. Phenology: flowering.

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 6-6.5 air mi SE of Ardmore, South Dakota and 3 air mi due S of South Dakota.
In Nassellus viridula plant community on gently rolling uplands of silty soils. Phenology: flowering & fruiting.

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 12 air mi ESE of Ardmore, South Dakota and 1/2 mi due S of South Dakota.
In Nassellus viridula plant community on gentle rolling uplands of silt soil. Phenology: flowering.

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 9 air mi SE of Ardmore, South Dakota and ca 1-1.5 air mi due S of South Dakota.
In Nassellus viridula plant community on gentle rolling uplands of silt soil. Phenology: flowering.

U.S.A., Nebraska, Dawes County: Oglala National Grassland and Vicinity: ca 17-17.5 air mi ESE of Ardmore, South Dakota and ca 2.5 air mi due S of South Dakota.
In Nassellus vividula plant community on gentle rolling uplands of silt soil. Phenology: flowering.

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 18 air mi SE of Ardmore, South Dakota and at southeast corner of junction of Neb Hwy 71 and Forest Road 909.
In rolling prairie uplands of silt soil. Phenology: flowering.

U.S.A., Nebraska, Dawes County: Oglala National Grassland and Vicinity: ca 12-12.5 air mi SE of Ardmore, South Dakota.
In rock bed with silt and clay soils. Phenology: flowering.

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: ca 14.5-15 air mi SSE of Edgemont and ca 1.5 air mi due S of County Road 713.
On bluff overlooking abandoned homestead, Nassellus viridula plant community on rolling uplands of stabilized vegetation, soils are gravel and silt/clay. Phenology: flowering.

U.S.A., Nebraska, Dawes County: Oglala National Grassland and Vicinity: ca 32-33 air mi NNW of Crawford on Board Gate Dam Reservoir on Forest Road 910.
Gently rolling prairie uplands in Nassellus viridula plant community, soils are loam and loamy clay near shores of reservoir. Phenology: flowering.

U.S.A., Nebraska, Dawes County: Oglala National Grassland and Vicinity: ca 30-30.5 air mi NNW of Crawford, North Draw.
In Nassellus viridula plant community on gentle rolling slopes grading into a drainage. Phenology: flowering & fruiting.

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: ca 13 air mi SE of Oelrichs immediately adjacent to Forest Road 7023.
Rolling prairie uplands and hilltops; soils are gravel and silt loam. Phenology: fruiting.

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: ca 13 air mi SSE of Oelrichs and ca 5 air mi due E of SD Hwy 385.
Rolling prairie uplands and hilltops; soils are gravel and silt loam. Phenology: fruiting.

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: ca 11 air mi SSW of Oelrichs and ca 2 air mi due W of SD Hwy 385.
Rolling prairie uplands; silt loam soils. Phenology: fruiting.

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: ca 16.5 air mi ESE of Ardmore and 0.5 mi due E of County Road 20.
Rolling prairie uplands; silt loam soils. Phenology: fruiting.

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 7 air mi NE of Toadstool Geologic Park and ca 2.5 air mi due E of Toadstool Road.
Typic badlands habitat; soils are deep heavy white clay. Phenology: fruiting.

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: Garrapata Canyon on Forest Road 493, ca 3 air mi N of San Cristobal.
Pinus ponderosa forest and burn area; roadside. Phenology: flowering & fruiting.

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: ca 1 air mi SE of El Rito, NM Hwy 554.
Pinyon/juniper woodland mesa top and arroyo; disturbed area with Artemisia tridentata. Phenology: flowering & fruiting.

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: Mesa del Medio and Martinez Canyon off Forest roads 137 and 1858, ca 4.5 air mi SE of Canjilon.
Logged ponderosa pine forest, pinyon/juniper canyon slopes and canyon bottom with Artemisia tridentata. Phenology: fruiting.

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: Stewart Meadows on Forest Road 87, ca 18 air mi NW of Tres Piedras.
Upland meadow. Phenology: fruiting.

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: Vallecitos area on Forest Road 222C, ca 2 air mi S of Petaca.
Grazing unit with Artemisia tridentata, pinyon, and juniper. Phenology: flowering.

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: Forest Road 703, Amole Canyon and old sheep driveway, ca 4 air mi NE of Penasco.
Mixed conifer forest and springs/drainages; old roadbed/sheep driveway. Phenology: flowering & fruiting.

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: junction of Forest roads 559 and 124 at Canjilon Creek, ca 3 air mi NE of Canjilon.
Slopes with Quercus gambelii and riparian area. Phenology: flowering & fruiting.

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: Forest Road 156, ca 2.5 air mi N of Truchas.
Ponderosa pine/pinyon/juniper woodland on mesa top. Phenology: flowering.
with Robert Peters

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: Sangre de Cristo Range: Forest Road 438 on Rito de la Olla, ca 7 air mi SE of Talpa.
Riparian area and rocky south aspect slope with pinyon/juniper and ponderosa pine. Phenology: flowering & fruiting.

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: Cebolla Mesa Campground and overlook at the end of Forest Road 9 and 0.6 air mi N.
Pinyon/juniper woodland. Phenology: flowering.
with Jill E. Larson

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: bottom of La Junta Trail to Big Arsenic Trail and back to Little Arsenic Trail to top of rimrock.
Riparian to rocky slopes near river. Phenology: flowering.
with Jill E. Larson

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: Miner's trail, ca 4 air mi N of Dunn Bridge on the Rio Grande, across from small canyon between Ojitos and Garrapata canyons.
Sandy rim and trail to river. Phenology: flowering.
with Jill E. Larson

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: ca 2 air mi NE of San Cristobal at gas pipeline crossing.
Pinyon/juniper. Phenology: flowering.

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: Sangre de Cristo Range: Questa at cemetary overlooking Eagle Rock Lake.
Pinyon/juniper woodland. Phenology: flowering.

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: Mesa de los Viejas, Rim Vista, ca 4 air mi NW of Ghost Ranch.
Pinyon/juniper woodland and sandstone rim rock. Phenology: flowering.

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: 1/4 air mi S of Colorado, Forest Road 75 next to railroad tracks, ca 9.5 air mi W of Los Pinos.
Disturbed area. Phenology: fruiting.

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: Huckaby Ecosystem Improvement Project: along Forest Road 145 and west tributary of Daggett Canyon, ca 12 air mi WSW of Canjilon.
Gentle slopes and flats, weedy and grassy with all woody vegetation removed ca 2 years previous. Phenology: flowering.

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: Lopez Canyon off Forest Road 337, ca 3.5 air mi SE of Canjilon.
Cobblestone slopes with pinyon/juniper. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Pedro Mountains: south side of range W of County Road 291, ca 12 air mi NE of Seminoe Dam.
Sagebrush flats. Phenology: flowering & fruiting.

U.S.A., Wyoming, Washakie County: Bighorn Basin: between Sand Point and Blue Bank Draw, ca 1 3/4 air mi S of Nowater or BLM Road 1404, ca 15 air mi WSW of Big Trails; ca 30 air mi SE of Worland.
Swales and more moist areas on slopes. Phenology: flowering & fruiting.
with Luanne Lum

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 Black Mountain Road on Lake Creek Divide, ca 22 mi ENE of Thermopolis.
Sagebrush and yucca on shale and sandy soil. Phenology: flowering.

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

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

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

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: Red Canyon ca 1 mi W of Weiser Knoll, ca 14 air mi SE of Lander.
Juniper/sagebrush draws and slopes. Phenology: flowering.
Accession: USFS (unaccessioned), Barcode: USFS0028743

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: southeast side of Fairfield Hill, ca 6 air mi SW of Lander.
Recently burned sagebrush grassland toeslope on mixed granite and limestone substrate. Phenology: flowering.
Accession: USFS 846042, Barcode: USFS0028834

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: ca 1.5 mi WNW of Torrey Lake, ca 5 air mi SSE of Dubois.
Sagebrush grassland. Phenology: flowering & fruiting.
Accession: USFS 846041, Barcode: USFS0028833

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: Fairfield Hill and Timber Top, ca 6 air mi SW of Lander.
Accession: USFS 846040, Barcode: USFS0028832

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: south ridge of Sheep Canyon, ca 4.5 air mi SW of Lander.
Rocky mixed shrubland and grassland on limestone. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: 1 mi NW of Weiser Knoll, ca 12 air mi SSE of Lander.
Sagebrush steppe. Phenology: flowering.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: 1 mi W of Ed Young Mountain; ca 14 air mi S of Lander.
Streambank side cut, dry rock and dirt. Phenology: flowering.

U.S.A., Colorado, Gunnison County: Southern Gunnison Basin: E of Tenmile Spring on west-facing slope of Carpenter Ridge, ca 17.8 air mi SW of Gunnison; ca 7.8 air mi SW of Tenderfoot Hill.
West-southwest-facing slope of sagebrush. Phenology: flowering.
with B. E. Nelson

U.S.A., Colorado, Gunnison County: Southern Gunnison Basin: ca 1.2 air mi E of Cochetopa Creek; ca 1.2 air mi NE of Maple Leaf Mine; ca 3.2 air mi SSW of Parlin.
Sagebrush shrubland. Phenology: flowering.

U.S.A., Colorado, Gunnison County: Southern Gunnison Basin: Curecanti National Recreation Area: ca 1.2 air mi W of County Road 26; ca 3 air mi S of Blue Mesa Reservoir; ca 3.9 air mi SE of Sapinero.
Sagebrush shrubland and steep, rocky, west-facing canyon slope with sagebrush/Douglas fir. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Ferris Mountains: north side access from Cherry Creek or BLM Road 3147, ca 8.7 air mi W of Three Forks Junction; ca 34 air mi N of Rawlins.
Base of limestone fin and its crevices; rising out of open pine-fir forest. Phenology: fruiting.

U.S.A., Colorado, Gunnison County: Southern Gunnison Basin: intersection of County roads 27B and 27C at North Beaver Creek, ca 1.8 air mi NNE of Rudolph Hill; ca 10.5 air mi ESE of Gateview.
Riparian and adjacent sagebrush shrubland. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Fremont County: Wetlands and Adjacent Areas: along Twin Creek and Twin Creek or County Road 19 at the west base of Sheep Mountain, ca 19-19.5 air mi SE of Lander.
Sagebrush flats above the creek. Phenology: flowering & fruiting.
Annotated by Rachel Newton.

U.S.A., Wyoming, Albany County: Wetlands and Adjacent Areas: Plumbago Creek, ca 25 air mi N of Laramie.
Steep rocky uplands. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Wetlands and Adjacent Areas: Spotted Horse Creek, ca 16 air mi NNE of Arvada; ca 56 air mi E of Sheridan.
Dry Artemisia scrub uplands. Phenology: fruiting.

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

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Seminoe Mountains: Cottonwood Creek, ca 2 air mi W of Seminoe Dam; ca 27 air mi NE of Sinclair.
Aspen and cottonwood lined creek in mountain meadow. Phenology: fruiting.

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Medicine Bow Mountains: south and west facing slopes of North Middle Mountain, ca 39 air mi NW of Fort Collins.
South and west facing dry slopes with Artemisia, Chrysothamnus, and aspen groves. Phenology: flowering.

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

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

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

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Front Range: three small unnamed ponds on Forest Road 235 just N of Lost Lake, S of County Road 180, ca 26 air mi NW of Fort Collins.
Open, unsheltered, salt edged ponds in dry meadows. Phenology: flowering.

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Front Range: by Sevenmile Creek at the junction of County Road 69 and Forest Road 225, N of Rustic, ca 26 air mi W of Fort Collins.
Granite hillside with some quartz, south and east facing slopes with occasional ponderosa pine, Rocky Mountain juniper, Ribes, and Purshia, scrubby and dry. Phenology: flowering.
with Ronald L. Hartman

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Front Range: Cache la Poudre Wilderness: from County Road 63E, ca 20 air mi W of Fort Collins. C
Dry, east facing grassy slopes with ponderosa pine, Opuntia, and Cercocarpus. Phenology: fruiting.

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Front Range: across Colo Hwy 14 from Dutch George Campground, ca 17 air mi NW of Fort Collins.
On top of a small foothill mesa with sandstone, Opuntia, and Purshia. Phenology: flowering.

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Front Range: above jeep trail (Forest Road 225), 2 mi N of Rustic; ca 27 air mi NW of Fort Collins.
Rocky hillside along a ridge with south and east facing slopes, with Purshia, Artemisia, and Juniperus. Phenology: flowering.

U.S.A., Wyoming, Albany County: Between Laramie and Wheatland.
41.6582° N, 105.5341° W; NAD 83, uncertainty 1.5 mi., Digital Map
Dry plains. Phenology: fruiting.

U.S.A., Wyoming, Niobrara County: Near Lusk.
42.7625° N, 104.4522° W; NAD 83, uncertainty 2 mi., Digital Map
Prairie. Phenology: fruiting.

U.S.A., Wyoming, Natrona County: Near Alcova.
42.5467° N, 106.7067° W; NAD 83, uncertainty 0.75 mi., Digital Map
Dry red shale soil of Satanka formation. Phenology: flowering.

U.S.A., Wyoming, Crook County: Colony.
44.8638° N, 104.1423° W; NAD 83, uncertainty 1 mi., Digital Map
Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Bates Hole: SE of Alcova on Casper-Medicine Bow Road.
42.4244° N, 106.4012° W; NAD 83, uncertainty 2 mi., Digital Map
Rolling hills, sagebrush grassland, clayey soil. Phenology: flowering.
with Marjorie W. Porter

U.S.A., Wyoming, Hot Springs County: Owl Creek/Bridger Mountains: ridge between North Fork and Middle Fork Owl Creek, ca 19 air mi WSW of Hamilton Dome; ca 37 air mi WNW of Thermopolis.
Volcanic and other cobble and boulders, hills, and draws.

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: slopes and terraces N of North Fork Owl Creek, ca 7 air mi N of Anchor Reservoir; ca 37 air mi WNW of Thermopolis.
South-facing terraces and slopes along creek.

U.S.A., Wyoming, Hot Springs County: Owl Creek/Bridger Mountains: Hogback Ridge, ca 15 air mi NW of Hamilton Dome; ca 35 air mi NW of Thermopolis.
Northeast-facing slope of ridge composed of sandstone 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, Fremont County: Government Meadows at the southerly end of Cedar Rim.
T31N R95W S34
Sagebrush prairie along a drainage. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Phosphoria NW of Rock Creek Mtn.
Northeast-facing limestone slopes of the Phosphoria. Phenology: flowering.

U.S.A., Wyoming, Park County: Shoshone National Forest: Piney Creek.
Andesitic basalts and landslides; Engelman spruce/subalpine fir. Phenology: flowering & fruiting.
with B. Chesler

U.S.A.: Bear Lodge Mountains: Cole Canyon, ca 5.5 mi N of Sundance.
Aspen, paper birch community Phenology: flowering & fruiting.

U.S.A., Colorado, Jackson County: North-central Colorado: Park Range: between forest boundary and abandoned mine ca 2 air mi W of Pitchpine Mountain, ca 16-16.5 air mi W of Walden.
Clay ridge in sagebrush-grassland. Phenology: flowering.
with melissa

U.S.A., Colorado, Grand County: North-central Colorado: Middle Park: along and above Eastern Gulch on County Road 27 (Forest Road 103), ca 1/4 mi NE of U.S. Hwy 40, ca 1.5 air mi SSE of Grannys Nipple; ca 14 air mi NNW of Kremmling.
Brushy snow accumulation areas on the lee slopes of the ridge. Phenology: flowering.
with melissa

U.S.A., Colorado, Moffat County: North-central Colorado: Wymore Gulch, ca 7 air mi NE of Craig.
Sagebrush slopes. Phenology: flowering.

U.S.A., Colorado, Moffat County: North-central Colorado: ca 18 air mi N of Craig.
Sagebrush slopes and streams. Phenology: flowering.

U.S.A., Wyoming, Park County: Southwestern Absarokas: junction of Cabin Creek, South Fork Shoshone River and vicinity, ca 45 air mi SW of Cody.
Mixed Picea-Pinus flexilis-Juniperus forest on rocky volcanics.

U.S.A., South Dakota, Custer County: Harney National Forest: Chas Adair ranch.
Rocky sandy loam soil. Phenology: vegetative only.

U.S.A., Wyoming, Albany County: Laramie Range: south end of George Creek and vicinity, ca 4 air mi SE of Garrett.
Sandy and gravelly areas in sagebrush grasslands with granite outcrops. Phenology: flowering.

U.S.A., South Dakota, Shannon County: Pine Ridge.
Grassy valleys. Phenology: fruiting.

U.S.A., Wyoming, Albany County: Laramie Range: Plumbago Canyon, ca 10.2 road mi NE of U.S. Hwys 30/287 on Wyo Hwy 34; ca 22.4 road mi NE of Laramie.
Creekside. Phenology: flowering.
with J. Brondum and T. McGowan

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Emigrant Gap Ridge E of County Road 202, ca 1 air mi N of Poison Spider bentonite pit; ca 12 air mi W of Casper.
Sagebrush-grassland with sandstone outcrops; Artemisia tridentata and Artemisia pedatifida common. Phenology: flowering.

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

U.S.A., Wyoming, Albany County: Laramie Range: Elmers Rock, along unnamed spur of Laramie River, ca 13 air mi N of Wyo Hwy 34; ca 40.5 air mi NE of Laramie.
North facing hillside. Phenology: flowering.
with J. Brondum and T. McGowan

U.S.A., Wyoming, Laramie County: Laramie Range: ca 1 air mi N of Wyo Hwy 210 on Brush Creek; ca 3.5 mi N of Crystal Lake Reservoir; ca 18 air mi NE of Laramie.
Granite outcrops and draw along creek. Phenology: flowering.
with J. Brondum and T. McGowan
Accession: 678360

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: along County Road 210, ca 1 air mi W of Poison Spider Oil Field; ca 24 air mi W of Casper.
Rocky ridges of sagebrush-grassland. Phenology: flowering.

U.S.A., Wyoming, Platte County: Laramie Range: ca 42 road mi NE of Laramie; ca 1.5 mi NNW of Wyo Hwy 34.
Creekside with granite outcrops. Phenology: flowering.

U.S.A., Colorado, Mineral County: Rio Grande National Forest: near Wagon Wheel Gap.
East facing hillside; dry, sandy soil; with lupines, flax, grasses, sage, painted cup and Penstemon barbatus; in rather scattered, thick bunches. Phenology: flowering.
Accession: USFS 502278

U.S.A., New Mexico, Taos County: Penasco vicinity.
Fairly common in conifer forests and open meadows. Phenology: flowering.

U.S.A., New Mexico, Colfax County: Eagle Nest vicinity.
Common on low rocky ridges. Phenology: flowering & fruiting.

U.S.A., Colorado, Douglas County: 2 mi W of Franktown.
Grassland. Phenology: flowering.

U.S.A., Colorado, Douglas County: 3 mi E of Castle Rock.
Grassland. Phenology: flowering & fruiting.
with Snyder

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

U.S.A., Wyoming, Natrona County: Laramie Range: E of Corral Creek and Old Casper/Medicine Bow Hwy or County Road 402, ca 15 air mi S of Casper.
Steep, rocky, juniper covered slope. Phenology: fruiting.

U.S.A., Colorado, Larimer County: 0.25 mi W of U.S. Hwy 287; 21.9 mi S of Virginia Dale.
With rabbitbrush, fringed sage, bromegrass and mountain mahogany; red sandstone; west facing slope. Phenology: flowering.

U.S.A., Colorado, Larimer County: Southwest rim of North Fork Cache la Poudre River, Phantom Canyon.
Open parklands, granite derived soils; grasslands dominated by Stipa comata, Chondrosum gracile, Pascopyrum smithii, Koeleria macrantha. Phenology: fruiting.

U.S.A., Wyoming, Converse County: Laramie Range: along Horseshoe Creek just above Trail Creek, ca 6 air mi N of Laramie Peak, ca 6 air mi SW of Esterbrook; ca 28 air mi S of Douglas.
Fine gravelly slopes dominated by annual bromes. Phenology: fruiting.

U.S.A., Colorado, Park County: Pike National Forest: Gilleys Ranch.
South slope; occasional on gravelly loam. Phenology: flowering.
Accession: USFS 502279

Shaly benches and sandy hills with sparsely scattered ponderosa pine and greasewood bottom. Phenology: flowering.

U.S.A., Colorado, Moffat County: North Branch Red Wash: ca 10 km E of Little Snake River, ca 35 km N of Maybell.
Elev. 1900 m.
Infrequent on sandy soil with Artemisia, Crysothamnus, Agropyron, Stipa and Oryzopsis. Phenology: flowering.

U.S.A., Colorado, Weld County: Road from Eleven M Ranch to Keota.
Phenology: fruiting.

U.S.A., Colorado, Weld County: NW of Glover.
Phenology: flowering & fruiting.

U.S.A., Colorado, no county County: Central Colorado.
Earl L. Johnston, 483. //1907.

U.S.A., Wyoming, Natrona County: Laramie Range: east end of Casper Mountain, ca 2 air mi W of the Hat Six Hogback, ca 10 air mi SE of Casper.
Sandy area dominated by annual Bromus. Phenology: fruiting.

U.S.A., Colorado, Gunnison County: 1.5 mi S of Hwy 50, 1.2 mi NE of Powderhorn Junction on Hwy 149; 30 mi due SW of Gunnison.
Big sage-Purshia-grass community. Phenology: fruiting.

U.S.A., Colorado, Grand County: 3 mi NNW of Kremmling: west side of Muddy Creek.
Dissected low terraces; rocky clay soil; uncommon in sagebrush/wheat grass community; Pierre Shale/Niobrara Formation. Phenology: fruiting.
with Oliver Grah

U.S.A., Colorado, Las Animas County: 5 mi SW of Trinidad: between U.S. Hwy 85 and railroad.
Dry gravelly site. Phenology: flowering.
Annotated by C. L. Porter.
with M. D. Atkins

U.S.A., Colorado, El Paso County: 4 mi S of Colorado Springs on CO Hwy 115.
Phenology: fruiting.
Annotated by C. L. Porter.
with M. D. Atkins

U.S.A., Colorado, Larimer County: Laporte: Trail to Grey Rock; 10.5 mi WNW.
Grassy edge of trail. Phenology: flowering.
Accession: USFS 502280

U.S.A., Colorado, Boulder County: Boulder.

U.S.A., Colorado, Boulder County: Near Boulder.
Phenology: flowering.
Francis Ramaley, A. 22. 6//1898.

U.S.A., Colorado, Boulder County: Near Boulder.
Francis Ramaley, A. 57.. 6//1899.

U.S.A., Colorado, Boulder County: Near Boulder.
Plains and foothills. Phenology: flowering & fruiting.
Annotated by C. L. Porter in 1951.

U.S.A., Colorado, Gunnison County: Gunnison National Forest: Ranger Station pasture.
South slope; shallow, coarse gravel; with sagebrush. Phenology: flowering & fruiting.

U.S.A., Colorado, Gunnison County: Gunnison National Forest: Sapinero District.

U.S.A., Colorado, Weld County: New Windsor.
Phenology: flowering.
George E. Osterhout, 118. 6/6/1892.

U.S.A., Colorado, Jefferson County: Morrison.
Phenology: flowering.
Annotated by C. L. Porter in 1951.

U.S.A., Colorado, Larimer County: Horsetooth Mountain.
George E. Osterhout, 4893. 6/3/1913.

Astragalus drummondii ()
U.S.A., Colorado, El Paso County: Perry Park.
George E. Osterhout, 717. 7/21/.

U.S.A., Colorado, Gunnison County: Sapinero.
Dry hills. Phenology: flowering.

U.S.A., Colorado, Larimer County: Virginia Dale.
Harold F. Eppson, s.n.. 6/6/1948.

U.S.A., Colorado, El Paso County: Ramah vicinity.
On hilltop of open pasture, growing in bushy clumps. Phenology: flowering & fruiting.
Annotated by C. L. Porter.

U.S.A., Colorado, Larimer County: Roosevelt National Forest: The Bracket.
30% east slope; shallow, schist loam; in grassland with Muhlenbergia montana, Bromus tectorum, Geranium sp. and Antenarria sp. Phenology: fruiting.
Annotated by Rupert C. Barneby in 1954.
John W. Bohning, JB-32. 5//1950.

U.S.A., Colorado, Chaffee County: 8 miles north of Poncha Springs.
Sandy soil under pinyon. Phenology: fruiting.
with F. H. Erbisch

U.S.A., Colorado, Grand County: 15 mi NE Kremmling; Flight line study area.
Annotated by Charles Feddema.

U.S.A., Colorado, Weld County:
Flat loam. Phenology: fruiting.
Annotated by Frederick J. Hermann.

U.S.A., Colorado, El Paso County: Colorado Springs.
Marcus E. Jones, s.n.. 6//1879.

U.S.A., Colorado, Elbert County: 5 mi SW of Elbert.
Sandy plains. Phenology: flowering.

U.S.A., Colorado, Huerfano County: San Isabel national Forest: Forest Road 635 just off Gardner Road (Forest Rd 634); ca 7 mi N of Hwy 69.
Pinyon-juniper woodland with Picradenia richardsonii, Gutierrezia sarothrae. Phenology: fruiting.

U.S.A., Colorado, Larimer County: 1 mi E of Soldier Canyon.
Meadow. Phenology: flowering & fruiting.

U.S.A., Colorado, Larimer County: [Fort Collins:] NW of College Barn.
Phenology: fruiting.

U.S.A., Colorado, Huerfano County: SE of La Veta.
Hills. Phenology: flowering.
with F. K. Vreeland

U.S.A., Colorado, Conejos County: 2 mi NW of Fox Creek; 1.5 mi NE of River Spring Guard Station.
Abundant in patches in moist sandy soil on west slope with Chrysothamnus, Artemisia, Bromus, Festuca and Pinus ponderosa. Phenology: flowering.
Patricia P. Douglas, 732b. 6/28/1985.

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.
with Amy J. Roderick and Cherie Winner

U.S.A., Wyoming, Natrona County: Laramie Range: ca 0.2 air mi W to Twin Buttes and adjacent area.
Chalk or limestone substrate. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Laramie Range: Twin Buttes E and N along limestone cap and SW on two track to Sand Draw.
Calcareous substrate above, shale below. Phenology: flowering & fruiting.
with B. A. Packer

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

U.S.A., Colorado, Weld County: 20 mi N of Stoneham on Hwy 71, ca 7 mi S of Nebraska.
Rolling shortgrass prairie. Phenology: flowering.

U.S.A., Colorado, Conejos County: S across the Conejos River at Broyles Bridge, ca 11.5 mi W of Antonito.
T32N R7E S15 SW1/4 of NW1/4
Common on bare ground with Agropyron and Chrysothamnus. Phenology: flowering & fruiting.
with J. Anderson

U.S.A., Colorado, Conejos County: Along road, ca 3.25 mi NE of Terrace Reservoir, NW of Chiquito Peak.
T36N R7E S7 NW1/4 of NW1/4
North exposure with Bromus, Hymenoxys and Chrysothamnus. Phenology: flowering & fruiting.
with J. Anderson

U.S.A., Colorado, Alamosa County: Sangre de Cristo Range: vicinity of Zapata Falls.
T28S R73W S16
Dry pinyon-juniper-Pseudotsuga woodland. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: north side of Bessemer Mountain, ca 13.7 air mi SW of Casper.
North-facing slope dominated by sagebrush and balsamroot; large boulders present. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie Range: Morton Pass and N and NE to 0.7 air mi.
Calcareous substrate with short strip of granite. Phenology: flowering.
with Timothy W. Chumley

U.S.A., Colorado, Elbert County: Cedar Point Exit just off U.S. Hwy 287, NW of Limon.
Rolling short-grass hills. Phenology: flowering.
with R. C. Witmann

U.S.A., Wyoming, Albany County: Laramie Range: Red Hill, ca 4 air mi N of Wheatland Reservoir No. 3.
Sagebrush-grassland and calcareous rocky bench with juniper and limber pine. Phenology: flowering.

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

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

U.S.A., Idaho, Clark County: Targhee National Forest: Beaverhead Range: Webber Creek just above McNeary Creek, ca 4.5 air mi ESE of Fritz Peak, ca 25 air mi NW of Dubois.
T12N R32E S14
Dry slope with limestone outcrops.
with Michelle Nelson

U.S.A., Wyoming, Albany County: Laramie Range: Wallace Draw area, ca 7.5 air mi SE of Garrett.
Grassland. Phenology: flowering.

U.S.A., Wyoming, Converse County: Laramie Range: Freds Draw, ca 4.5 air mi NW of Esterbrook.
North facing sagebrush/grassland slope. Phenology: flowering.
with T. McGowan

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Rattlesnake Hills: Dry Creek N of Dry Creek or County Road 321, ca 14.5 air mi NW of junction with Wyo Hwy 220.
Sagebrush-grassland on chalky substrate; Artemisia nova common. Phenology: flowering.

U.S.A., Idaho, Clark County: Targhee National Forest: Centennial Mountains: west side of Beaver Creek near confluence with Stoddard Creek, ca 16 air mi N of Dubois.
T13N R36E S27; also S35
Moist meadow dominated by forbs and grasses.

U.S.A., Wyoming, Albany County: Laramie Range: off of U.S. Hwy 287, ca 15 air mi SE of Laramie.
Roadside. Phenology: flowering.
with T. McGowan

U.S.A., Wyoming, Carbon County: South-central Wyoming: draws leading from the southwest into Loco Creek drainage at the confluence of West Fork Loco and Loco creeks, ca 13 air mi ENE of Baggs.
Moist draw. Phenology: fruiting.

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: fruiting.

Open hillside. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: South-central Wyoming: Washakie Basin: southeast slope of headland between Middle Prong Red and North Prong Red creeks, ca 3 air mi S of Flat Top Mountain; ca 10 mi NW of Baggs.
Sandy soil in draw. Phenology: flowering.

U.S.A., Wyoming, Carbon County: South-central Wyoming: Washakie Basin: draw into Cottonwood Creek from the S between Streckfus Draw and Wyo Hwy 789, ca 4 air mi NNW of Baggs.
Rocky outcrops with sandy soil. Phenology: flowering.

U.S.A., Wyoming, Carbon County: South-central Wyoming: Deep Creek Rim and draws on west-facing slope, ca 3 air mi E of Wyo Hwy 789; ca 8.5 air mi NNE of Baggs.
Rocky draw with sandy soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Encampment.
Sagebrush meadow with Lupinus argenteus. Occasional; flowers white. Phenology: flowering.

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

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Rattlesnake Hills: ca 4.9 air mi N of Oregon Trail or County Road 319, ca 13.7 air mi NW of Alcova townsite.
North-facing gravelly slope of sagebrush, snowberry, and grasses. Phenology: flowering.

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

U.S.A., Wyoming, Fremont County: Southeastern Absarokas: along Bench Creek, ca 9 air mi NW of Dubois.
Sagebrush slope. Phenology: flowering.

U.S.A., Wyoming, Hot Springs County: Southeastern Absarokas: the Holy City and vicinity, ca 1 mi S of Squaw Teat Butte; ca 40 air mi WNW of Thermopolis.
Sagebrush slopes. Phenology: flowering.

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

U.S.A., Wyoming, Hot Springs County: Southeastern Absarokas: along Negro Creek near the junction with Cottonwood Creek, ca 3.5 air mi NE of Squaw Teat Butte; ca 36.5 air mi WNW of Thermopolis.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 31 mi NNW of Gillette on U.S. Hwy 14-16, then 11.4 mi NNE on Recluse-Olmstead Creek Road, 2.5 mi E of road, ca 8 1/4 mi NE of Recluse.
Occasional in clay of sagebrush-grassland with Arnica and Koeleria. Phenology: flowering.
with Linda Nelson

U.S.A., Wyoming, Park County: Northern Absarokas: above Dead Indian Creek below Dead Indian Hill, ca 24 air mi NW of Cody.
Among sagebrush. Phenology: flowering.
with Erik Nelson

U.S.A., Wyoming, Laramie County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: ca 9.5 air mi SE of Cheyenne on Chalk Bluffs Road.
In gravelly loam in upland grassland with Koeleria cristata. Frequent. Phenology: flowering & fruiting.
with Paul Ehrmann

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: between Kester Coulee and Prospect Creek, SW of Ilo Ridge, ca 5 air mi SSE of town site of Grass Creek, ca 25-26 air mi NW of Thermopolis.
Rolling sagebrush-grassland.
with Robin Jones

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: above Red Canyon across from Minnesela Slope, ca 4.5 air mi SW of Thermopolis.
Old burn area in sagebrush-grassland with no current sagebrush regeneration.
with Robin Jones

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: Red Mountain and vicinity: ridge ca 1 air mi E of Red Mountain summit, ca 27 air mi SW of Laramie.
Stony grassland slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sheridan County: Big Horn Mountains: in Wolf Creek Canyon above Wolf Post Office (Eaton Ranch), ca 8 air mi S of Dayton, ca 15.5 air mi W of Sheridan.
Open Douglas fir-ponderosa pine forest in the canyon.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Seminoe Mountains: School Creek, ca 1.7 air mi NW of Bradley Peak; ca 5.2 air mi E of Ferris townsite.
Sagebrush-grasslands; flats and hillside bordering seep. Phenology: flowering.
with Frank Blomquist

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: on the divide between Enos and Grass Creek drainages, ca 5 air mi WNW of Grass Creek; ca 34.5 air mi NW of Thermopolis.
Sandy, rocky sagebrush slope with scattered limber pine and junipers.

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: ca 5.5 air mi W of Hamilton Dome, ca 25 air mi WNW of Thermopolis.
Sagebrush-grass slopes and draws.
with Robert S. Kirkpatrick

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

U.S.A., Wyoming, Park County: Bighorn Basin: on the divide between Gooseberry Creek and Renner Draw, ca 1.5 air mi S of Gooseberry Creek; ca 11 air mi S of Meeteetse.
Open clay slopes with sandstone rubble. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Wind River Basin: Rattlesnake Mountains: Garfield Peak and northeast slope.
Sandstones, shales, and limestone on lower slopes with granite above, streambanks, open slopes, and limber pine woodlands. Phenology: flowering.
with Ronald L. Hartman

U.S.A., Wyoming, Crook County: [location and coordinates withheld]
Grassland.

U.S.A., Wyoming, Crook County: Black Hills: Bear Lodge Mountains: Lytle Creek and Newton Hill, ca 8.5 air mi ESE of Devils Tower.
Pine-oak forest with many openings (logged).

U.S.A., Wyoming, Crook County: Black Hills: tributary to Road Creek off The Bank Land, Graham Ranch, ca 13 air mi W of Sundance.
Pine-oak forest, north-facing slopes and draws.

U.S.A., Wyoming, Crook County: [location and coordinates withheld]
Grassland; south, east, and northeast-facing slopes.

U.S.A., Wyoming, Crook County: Black Hills: between Goldie Road and Elkhorn Creek, ca 6 air mi WNW of Seely.
Roadside in sagebrush grassland.

U.S.A., Wyoming, Crook County: Black Hills: Miller Creek, Garman Ranch; ca 9.3 air mi SSE of Devils Tower.
Pine ridge with grassland understory.

U.S.A., Wyoming, Crook County: Black Hills: Cabin Creek SSW of Cedar Hill; ca 8.5 air mi WSW of Devils Tower.
Big sagebrush-grassland with occasional junipers, on Skull Creek shale.

U.S.A., Wyoming, Crook County: [location and coordinates withheld]
Sagebrush-grassland on top of divide. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Gas Hills Mining District; ca 7.0 air mi ENE of Junction of Wyo Hwy 136 and Ore Road (main road through the Gas Hills Mining District).
Sagebrush slopes E of creek. Phenology: flowering.

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.
Roadside. 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.

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

U.S.A., Wyoming, Hot Springs County: Owl Creek/Bridger Mountains: Bridger Mountains: ca 10 air mi E of Thermopolis.
Rich sagebrush slopes above intermittent creek, sandy slopes below Chugwater outcrops; sandy slope.
with Ronald L. Hartman

U.S.A., Wyoming, Hot Springs County: Owl Creek/Bridger Mountains: Bridger Mountains: Blue Hill; ca 16 air mi SE of Thermopolis.
Loose, shaley slopes of hill, rocky plains on summit, mud around holding pond in drainage below, sagebrush on lower slopes of hill; shale slope.

U.S.A., Wyoming, Hot Springs County: Owl Creek/Bridger Mountains: Bridger Mountains: along West Kirby Creek, ca 19 air mi SE of Thermopolis.
Meadows and moist slopes along creek; slope.

U.S.A., Wyoming, Converse County: Powder River Basin: Flat Top Hill; ca 17 air mi ENE of Douglas.
Sandy slopes below caprock of butte, outcrops along edge of butte, sage-grassland on top, sandy plains below; sandy plains. Phenology: flowering.

U.S.A., Wyoming, Campbell County: [location and coordinates withheld]
Sagebrush plains. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Powder River Basin: Pumpkin Buttes: North Butte.
Eroded rocky slopes on W face, rolling plains below, and plains at summit. Juniper and limber pine on slopes; open slopes. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 6.5 air mi SW of Rockypoint.
Deep ravine in ponderosa pine covered uplift, slopes; slope. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 2.5 air mi SW of Rockypoint.
T57N R69W S15; also S22
Rocky slope, ponderosa pine hills, deep ravine; rocky slope. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Campbell County: Ca 8.1 road mi SW of Pine Tree Junction, intersection of Wyoming Hwys. 387 and 50.
Plains and head of draw, highway right-of-way; plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County:
Plains, eroded slopes, draw; draw. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Cherry Creek, ca 5.2 air mi S of Wyo Hwy 220; ca 13.6 air mi SW of Independence Rock.
Sagebrush and creek banks of willow and birch. Phenology: flowering.

U.S.A., Wyoming, Converse County: Powder River Basin: Ross Road, ca 10.5 road mi N of junction with Wyo Hwy 93.
Plains, small draw, sandy ditch; draw, plains. Phenology: fruiting.

U.S.A., Wyoming, Johnson County: [location and coordinates withheld]
Shale ridge-outcrops, covered with ponderosa pine, sagebrush grasslands, eroded slopes, wet depressions and small holding pond, draws; plains. Phenology: fruiting.

U.S.A., Wyoming, Sheridan County: [location and coordinates withheld]
Weedy sagebrush plain, small stream; plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Johnson County: [location and coordinates withheld]
Outwash, greasewood flats of open, clay soil. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Sheridan County: Powder River Basin: hills above S R Creek, ca 8 air mi E of Wyarno.
Rocky slopes, scoria, sagebrush plains, mesic ravine; plain. Phenology: flowering.

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

U.S.A., Wyoming, Natrona County: [location and coordinates withheld]
Sandstone outcrops with Cercocarpus ledifolius, ravines, sagebrush plain; plain. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Powder River Basin: ca 19 air mi S of Kaycee.
Sagebrush plains, sandstone outcrops, dominated by Cercocarpus ledifolius; plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Johnson County: [location and coordinates withheld]
Stoney hills with Cercocarpus ledifolius, rolling plains below, occasional intermittent streams; hills. Phenology: flowering & fruiting.

U.S.A., Wyoming, Johnson County: Powder River Basin: east side of Lake De Smet.
Sagebrush plain on clinker (scorial) base, occasional outcrops; plains. Phenology: fruiting.

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

U.S.A., Wyoming, Hot Springs County: Absaroka Mountains: ca 39 mi WNW of Thermopolis on North Fork of Owl Creek.
Sagebrush grasslands. Phenology: flowering.
Robert S. Kirkpatrick, 175. 6/23/1983.

U.S.A., Wyoming, Fremont County: Absaroka Mountains: ca 11 air mi NE of Dubois, 1.5 mi E of Game and Fish Elk Winter Hdqrs.
Stream gullies with Pinus flexilis and Pseudotsuga menziesii; moist sites. Phenology: flowering.
Robert S. Kirkpatrick, 2764. 6/21/1984.

U.S.A., Wyoming, Hot Springs County: Absaroka Mountains: ca 20 air mi S of Meeteetse, between Twin Buttes and Little Grass Creek.
Slopes with Juniperus scopulorum and Pinus flexilis; dry, open areas. Phenology: flowering.
Robert S. Kirkpatrick, 3094. 6/27/1984.

U.S.A., Wyoming, Park County: Absaroka Mountains: ca 16 air mi SW of Meeteetse, upper end of the North Fork of Dick Creek, ca 5 mi from the Wood River.
Sagebrush grasslands with scattered Potentilla fruticosa; dry areas. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Absaroka Mountains: ca 7 air mi NNE of Dubois, south side of Spring Mountain.
Sagebrush grasslands; dry areas. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Absaroka Mountains: ca 11 air mi NNW of Dubois, 0.5 mi W of the junction of Bear Creek and Bain Creek.
Wet areas. Phenology: flowering & fruiting.
with Ruth E. B. Kirkpatrick

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Sentinel Rocks: West Beef Acre Spring, ca 4.4 air mi E of Wyo Hwy 220; ca 4.2 air mi SW of Independence Rock.
Sagebrush-grassland; sandy. Phenology: flowering & fruiting.

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

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

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

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.
with Robert S. Kirkpatrick

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

U.S.A., Wyoming, Fremont County: Southwestern Absarokas: Long Elk Ridge, 11 air mi SE of Togwotee Pass.
Sagebrush slopes and adjacent lodgepole and douglas fir forests.
with Neil Snow

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

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

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 1 air mi S of Montana and 6.5 air mi W of Wyo Hwy 59.
Dissected slopes near road. Phenology: flowering & fruiting.
with Keith Dueholm

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 12 air mi NE of Weston.
Ponderosa topped hills and flats below. Phenology: flowering & fruiting.
with Keith Dueholm and Mary Alice Sanguinetti

U.S.A., Wyoming, Campbell County: Powder River Basin: Eighty-five Divide, ca 10 air mi W of Rockypoint.
Hills with eroded drainage and sandstone outcrops. Phenology: flowering.
with Keith Dueholm and Mary Alice Sanguinetti

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

U.S.A., Wyoming, Campbell County: Powder River Basin: Wyo Hwy 387, ca 3.5 road mi E of Johnson County.
Sandstone outcrop along highway. Phenology: flowering & fruiting.
with Mary Alice Sanguinetti

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

U.S.A., Wyoming, Sheridan County: Big Horn Mountains: Little Bighorn River Canyon, ca 17 air mi W of Parkman.
Grassy slopes and limestone outcrops.
with Ann Odasz

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

U.S.A., Wyoming, Niobrara County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Wyo Hwy 270 just W of intersection with Wyo Hwy 272, ca 2 air mi NE of Lance Creek; ca 22.5 air mi NNW of Lusk.
Ridge top with conglomerate boulders and outcrops. Phenology: flowering.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Hartville Uplift: Wildcat Hills: between the heads of Willow and Muskrat creeks, ca 43 air mi NNW of Torrington.
42.59° N, 104.6065° W; NAD 83, uncertainty 0.5 mi., Nat. Geog. TOPO!
Draws and adjacent meadows. Phenology: flowering.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Hartville Uplift: at the head of Webb Canyon on Wyo Hwy 270, ca 4.5 air mi N of Hartville; ca 8.5 air mi N of Guernsey.
Slopes below limestone cliffs. Phenology: flowering.

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

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

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

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Hartville Uplift: along Patten Creek ca 0.5 mi W of Wyo Hwy 270 on Patten Creek or County Road 208, ca 16 air mi ESE of Glendo; ca 12.3 air mi N of Guernsey.
Stony soil in grassland. Phenology: fruiting.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: Okie Draw W of Lester-Arminto or County Road 108, ca 10 air mi ENE of Arminto; ca 47 air mi NW of Casper.
Rolling sagebrush-grassland/mixed grass plains. Phenology: fruiting.

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

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

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Okie Draw and a tributary NW of Notches Dome, ca 12 air mi NE of Waltman; ca 44.5 air mi NW of Casper.
Sandy sagebrush-grassland. Phenology: flowering.

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

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along Diamond or County Road 104 ca 0.5 air mi E of Richeau Creek, ca 8.3 air mi W of Chugwater; ca 20 air mi S of Wheatland.
Cobblestone slopes with grasslands in shallow swales and draws. Phenology: flowering.

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

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

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: ca 0.5 air mi NW of Ayres Natural Bridge campground.
Road cut and plains along fence. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: [location and coordinates withheld]
Sandy grasslands and road cuts. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: Cottonwoood Creek, ca 9 air mi SE of Esterbrook.
Shaded ravine with narrow-leaved cottonwood and ponderosa pine. Phenology: fruiting.

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: fruiting.
with T. W. Nelson

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

U.S.A., Wyoming, Laramie County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: north end of Cheyenne at Wyo Hwy 211 and I-25 interchange.
Plains and roadside. Phenology: fruiting.

U.S.A., Wyoming, Laramie County: [location and coordinates withheld]
Sandy slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Laramie County: [location and coordinates withheld]
Sandy road cut. Phenology: fruiting.

U.S.A., Wyoming, Natrona County: [location and coordinates withheld]
Draws and granite slopes of ponderosa pine, sagebrush, and snowberry. Phenology: flowering.

U.S.A., Wyoming, Laramie County: [location and coordinates withheld]
Sandy areas. Phenology: fruiting.

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

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

U.S.A., Colorado, Las Animas County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Park Plateau: in Road Canyon at the Vallorso site and Bear Canyon Mine site, ca 5.5 air mi SW of Ludlow; ca 10.8 air mi NW of Trinidad.
Pinyon-juniper-oak woodland. Phenology: flowering & fruiting.
Annotated by Brian Elliott.

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: County Road 650, ca 4.5 road mi W of Exit 64 of I-25.
Oak meadows. Phenology: flowering & fruiting.

U.S.A., Colorado, Custer County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountains: North Creek Picnic Ground on the North Creek Road, ca 3 road mi from junction of County Road 387.
Riparian with Abies concolor and Pinus edulis. Phenology: flowering & fruiting.

U.S.A., Colorado, Las Animas County: [location and coordinates withheld]
Prairie, pinyon-juniper, and riparian. Phenology: fruiting.

U.S.A., Colorado, Saguache County: [location and coordinates withheld]
Prairie, pinyon, and riparian. Phenology: flowering.

U.S.A., Colorado, Fremont County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountain Valley: S on Colo Hwy 69 from junction with County Road 32 just N of Hillside.
Open pinyon-juniper. Phenology: flowering & fruiting.

Grassland. Phenology: flowering.

Grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Bear Lodge Mountains, Lytle Creek and Newton Hill; ca 8.5 air mi ESE of Devils Tower.
Ponderosa pine forest with many openings (logged). Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Black Hills: tributary to Road Creek off The Bank Land, Graham Ranch, ca 13 air mi W of Sundance.
Ponderosa pine-Bur oak forest, north-facing slopes and draws. Phenology: flowering & fruiting.

Grassland; south, east, and northeast-facing slopes. Phenology: fruiting.

U.S.A., Wyoming, Crook County: Black Hills: between Goldie Road and Elkhorn Creek, ca 6 air mi WNW of Seely.
Roadside in sagebrush grassland. Phenology: flowering & fruiting.

U.S.A., Colorado, Las Animas County: [location and coordinates withheld]
Pinyon-juniper. Phenology: fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Miller Creek, Garman Ranch; ca 9.3 air mi SSE of Devils Tower.
Pine ridge with grassland understory. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Bear Lodge Mountains: Taylor Divide, ca 8.5 air mi S of Alva.
Grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Black Hills, Coal Divide just N of I-90 (near parking area), ca 9 air mi SW of Sundance.

U.S.A., Colorado, Las Animas County: [location and coordinates withheld]
Prairie-grassland with Sarcobatus. Phenology: fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Cabin Creek SSW of Cedar Hill; ca 8.5 air mi WSW of Devils Tower.
Big sagebrush-grassland with occasional junipers, on Skull Creek shale. Phenology: flowering & fruiting.

Sagebrush-grassland on top of divide. Phenology: flowering.

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

U.S.A., Colorado, Saguache County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Cochetopa Hills: junction of Ute Pass Road with Forest Road 857 at Columbia Gulch; off U.S. Hwy 285, W of Villa Grove.
Ponderosa pine. Phenology: flowering.

U.S.A., Wyoming, Weston County: [location and coordinates withheld]
Silver sagebrush-grassland (Artemisia cana). Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Black Hills: Cold Springs Creek near state line; ca 7 air mi NE of Four Corners.
Grassland on S- facing slope. Phenology: fruiting.

Grassland with big and silver sagebrush (Artemisia cana and A. tridentata). Phenology: fruiting.

Ponderosa pine forest on south-east facing slope below limestone cliffs. Phenology: fruiting.

U.S.A., Colorado, Las Animas County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: at base of TV Hill, ca 1.5 mi N on County Road 63.1 from Exit 30 on I-25.
Pinyon-juniper/prairie transition. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Crook County: 4 mi NW of Hulett.
Dry hillsides. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Beulah.
Northern foothills and red beds; grass association; xerophytic. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Inyan Kara Creek, 17 mi S of Sundance.
44.1979° N, 104.2644° W; NAD 83, uncertainty 1 mi., Nat. Geog. TOPO!
Foothills; grass association; xerophytic. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Sundance National Forest.
Loam soil. Phenology: flowering & fruiting.
Annotated in 1912.

U.S.A., Wyoming, Crook County: 15 mi NW of Hulett. Gumbo hills, near Little Missouri.

U.S.A., Wyoming, Crook County: Bear Lodge Mountains: Cole Canyon, ca 5.5 mi N of Sundance.
Aspen/paper birch common. Phenology: flowering & fruiting.

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

U.S.A., Colorado, Las Animas County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Trinidad Lake State Park: on Colo Hwy 12, W of Trinidad.
Pinyon and riparian. Phenology: flowering.

U.S.A., Colorado, Saguache County: [location and coordinates withheld]
Pinyon-juniper and riparian. Phenology: fruiting.

U.S.A., Colorado, Pueblo County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Greenhorn Road just S of Colo Hwy 165 over Greenhorn Creek.
By bridge; oak-pinyon and riparian. Phenology: flowering & fruiting.

U.S.A., Montana, Carbon County: Pryor Mountains: on Red Pryor or BLM Road 1022 ca 3 air mi S of Red Pryor Mountain summit, ca 29 air mi SE of Bridger.
45.0752° N, 108.4368° W; uncertainty 0.5 mi., GPS reading
Burn in open Douglas fir/limber pine woods or juniper woodland dominated by Bromus tectorum. Phenology: flowering.
Annotated by B. E. Nelson.

U.S.A., Montana, Carbon County: Pryor Mountains: Custer National Forest: red hill just N of Sage Creek near the junction of Forest Road 2144 and O/C (Circle Slash C) Ranch drive, ca 22.5 air mi ESE of Bridger.
Steep red clay slopes with scattered limber pine and Douglas fir. Phenology: flowering.
Annotated by B. E. Nelson.

U.S.A., Montana, Carbon County: Bighorn Basin: along Sage Creek Road, ca 9.5 air mi SE of Bridger.
45.2084° N, 108.796° W; uncertainty 0.5 mi., GPS reading
Rocky limestone slopes and pavement on top of hill above red beds, dominated by black sagebrush and western wheatgrass with limber and ponderosa pines on top. Phenology: flowering.
Annotated by B. E. Nelson.

U.S.A., Montana, Carbon County: Pryor Mountains: Custer National Forest: Sage Creek Campground and vicinity on Sage Creek, ca 19 air mi ESE of Bridger.
45.2117° N, 108.5521° W; uncertainty 0.5 mi., GPS reading
In campground, most of which are pure stands of smooth brome. Phenology: fruiting.

U.S.A., Montana, Carbon County: Pryor Mountains: along Red Pryor Mountain Road on 2 air mi SSE of Red Pryor Mountain summit, ca 28 air mi SE of Bridger.
Burn in Douglas fir forest. Phenology: fruiting.

U.S.A., Montana, Carbon County: Pryor Mountains: Custer National Forest: Gooseberry Hollow above Crooked Creek Canyon, ca 26 air mi SE of Bridger.
45.127° N, 108.4307° W; NAD 83, uncertainty 0.5 mi., Nat. Geog. TOPO!
Open, stony hillside. Phenology: fruiting.

U.S.A., Montana, Carbon County: Pryor Mountains: Custer National Forest: E of Sage Creek at the forest-Crow Indian Reservation boundary, ca 19 air mi ESE of Bridger.
Meadow and sagebrush patch. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Dugway Rim S of old Casper-Medicine Bow Road, ca 10.5 air mi NE of Shirley Basin townsite.
Gravelly south-facing draw; sagebrush, snowberry, fescue, and wild buckwheat common. Phenology: flowering & fruiting.

U.S.A., Colorado, Las Animas County: Comanche National Grassland: ca 3 air mi S of Tobe.
Grassland with cholla and Yucca. Phenology: flowering & fruiting.
Annotated by Ronald L. Hartman.
with Bernadette Kuhn, Laura E. Lukas

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: knoll on north side of Bernal Creek where it joins the Vermejo River at its passage through The Little Wall; 8 air mi NW of Vermejo Park.
Small, rounded, rocky knoll with scattered Pinus ponderosa saplings, heavily browsed Cercocarpus montanus, Eriogonum jamesii, bunchgrasses. Flowers cream-colored; stems in large clumps, spreading-erect; plants uncommon. Photographed. Phenology: flowering & fruiting.
Annotated by Ben Legler on 3/20/2008.

U.S.A., Colorado, Fremont County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: ca 2.6 mi on County Road 15, S of Florence.
By creek on roadside; prairie-pinyon-juniper transition; riparian. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Rim Lake or BLM Road 3420, ca 7.5 air mi SW of Rawlins.
East facing shale slope with sagebrush. Phenology: flowering.

U.S.A., Montana, Carbon County: Beartooth Mountains: Custer National Forest: along West Red Lodge Creek and ridge between West Red Lodge and East Fork West Red Lodge creeks, ca 3 air mi SSW of Luther; ca 11.5 air mi WNW of Red Lodge.
Forb meadow slope with patches of Symphoricarpos. Phenology: flowering.

U.S.A., Colorado, Custer County: [location and coordinates withheld]
At base of ridge with open pinyon-juniper and meadow. Phenology: flowering.
with Kenneth Elliott

U.S.A., Montana, Carbon County: Cooney Reservoir along Red Lodge Creeek Road, on south side of reservoir W of dam, ca 18 air mi N of Red Lodge.
Slopes around reservoir with sandy soils in mixed Artemisia cana and annual weedy forbs/grasses. Phenology: flowering & fruiting.
with Brian Elliott

U.S.A., Montana, Stillwater County: Beartooth Mountains: along Mont Hwy 420, ca 3/4 mi N of Beehive, ca 31 air mi NW of Red Lodge.
Volcanic tuft (ash substrate) cliffs and surrounding slopes dominated by annual weedy forbs with very few trees, area recently burned. Phenology: flowering.
with Brian Elliott

U.S.A., Montana, Park County: Gallatin Mountains: Gallatin National Forest: along Forest Road 978, ca 14 air mi SW of Livingston.
Steep south-facing open slope dominated by mixed grasses and forbs into outcrop of conglomerates and mixed conifer forest. Phenology: flowering.
with Brian Elliott

U.S.A., Montana, Park County: Gallatin Range: Gallatin National Forest: along Big Creek or Forest Road 2500, ca 31 air mi SW of Livingston.
Mixed conifer forest and open meadow. Phenology: flowering.

U.S.A., Colorado, Saguache County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Cochetopa Hills: Rio Grande National Forest boundary on County Road 46AA NW of Saguache.
Riparian; pinyon-ponderosa. Phenology: flowering.
with Kenneth Elliott

U.S.A., Montana, Park County: Absaroka Range: Gallatin National Forest: along Forest Road 348, along Sixmile Creek, ca 31 air mi SSW of Livingston.
Open meadow on southwest-facing slope. Phenology: fruiting.
with Ken Elliott

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: at Exit 42 on I-25.
Grassland. Phenology: fruiting.
with Kenneth Elliott

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

U.S.A., Montana, Carbon County: Beartooth Mountains: Custer National Forest: Robertson Draw area, ca 11 air mi S of Red Lodge.
Glacial till on lower southeast slopes below Madison limestone; black and big sagebrush grasslands with Pinus flexilis on ridges and upper reaches. Phenology: fruiting.

U.S.A., Montana, Stillwater County: Beartooth Mountains: ca 2 air mi W of Nye.
Base of limestone escarpment. Phenology: flowering & fruiting.

U.S.A., Montana, Stillwater County: Beartooth Mountains: Beehive Rock and vicinity, 0.5-1 air mi N of Beehive.
Limestone outcrops with slopes; area burned in forest fire in 2006; very motley mix of natives and exotics. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Beartooth Mountains: between Line Creek and Montana at the foot of Beartooth Plateau, ca 9.5-10.5 air mi NW of Clark; ca 35.5-36 air mi NNW of Cody
45.0031° N, 109.2795° W; NAD 83, uncertainty 1 mi., Nat. Geog. TOPO!
Sagebrush grassland slopes and draws. Phenology: flowering.

U.S.A., Wyoming, Park County: [location and coordinates withheld]
Stony, grassy slopes with scattered sagebrush. Phenology: flowering.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: ridge between Eagle and Beaver creeks above the Laramie River, ca 6 air mi SSW of Woods Landing; ca 31 air mi SW of Laramie.
Gentle sagebrush slope. Phenology: fruiting.

U.S.A., Wyoming, Albany County: Laramie Plains: along Wyo Hwy 130, 1 mi W of the intersection of County Road 57 and Wyo Hwy 130, ca 16 mi W of Laramie; ca 13 mi E Centennial.
Dry hillsides and grazed plains. Phenology: flowering.

U.S.A., Colorado, Custer County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountains: San Isabel National Forest: off of County Road 274 just beyond national forest entrance.
Along stream and mountainsides; dominant species: aspen, oak, and Mertensia. Phenology: flowering & fruiting.
Annotated by Brian Elliott.
with B. E. Nelson, Brian Jacobs and Alex Morgan

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: North Fork area, just NW of North Fork Campground, running NW along Forest Road 101 (Sand Lake Road), ca 1 air mi SE of Clark Park, ca 6 air mi NW of Centennial.
Mixed conifer forest, southwest-facing slope, Vaccinium understory. 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: fruiting.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: Wick Brothers Wildlife Management Area: above and E of Wagonhound Creek and ca 1/2 to 3/4 air mi S of I-80, ca 7 air mi SE of town of Elk Mountain.
Rocky clay slopes. Phenology: fruiting.

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. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: Sierra Madre: Miner Creek and canyons and ridge to the NW, ca 1/4 below confluence of North and South forks, ca 4 air mi SSW of Encampment.
Easterly-facing sagebrush slope. Phenology: fruiting.

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountains: San Isabel National Forest: Forest Road 637 at Custer Creek and adjacent slopes.
Granite outcrops, peat-like soil with detritus covering; dominant species: spruce, white fir, aspen, and rose. Phenology: flowering.
with Brian Jacobs and Alex Morgan

U.S.A., Wyoming, Carbon County: Saratoga Valley: Rattlesnake Creek area, N of County Road 400 (Rattlesnake Road), ca 3 air mi SE of I-80 exit 238 (Peterson Ranch) and ca 18 air mi NNE of Saratoga.
Sagebrush hills with several gullies, sandy, abundant bare ground. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: Bennet Peak and near North Platte River and campground, ca 28 air mi NE of Encampment and ca 14 air mi SW of Ryan Park.
Ponderosa pine/juniper savannah with rock outcrops and much bare ground. Phenology: flowering & fruiting.

U.S.A., Colorado, Custer County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountains: ca 1.6 road mi on County Road 323 from Rosita Road.
Fine-grained to sandy soil; dominant species: pinyon, ponderosa, and Chrysothamnus. Phenology: flowering.
with Brian Jacobs and Alex Morgan

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

U.S.A., Montana, Judith Basin County: Lewis and Clark National Forest: Little Belt Mountains: junction of Forest roads 6531 and 825.
Elev. 1552 m.
46.8506° N, 110.2822° W; NAD 83, uncertainty 0.25 mi., GPS reading
Dry open meadow; grazed, west aspect, 10-20% slope, limestone bedrock. Phenology: flowering.
1. Astragalus drummondii Douglas ex Hook..

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

U.S.A., Montana, Fergus County: Lewis and Clark National Forest: Little Snowy Mountains: junction of Forest roads 272 and 273.
Elev. 1559 m.
46.7564° N, 109.0602° W; NAD 83, uncertainty 0.25 mi., GPS reading
Old clear cut; west aspect, 5% slope; limestone bedrock. Phenology: flowering.
1. Astragalus drummondii Douglas ex Hook..

U.S.A., Montana, Fergus County: Lewis and Clark National Forest: Little Snowy Mountains: junction of Forest roads 272 and 271.
46.7777° N, 109.0844° W; NAD 83, uncertainty 0.25 mi., GPS reading
Open ridge line; north and south aspect, 0-20% slope; limestone bedrock. Phenology: flowering.
1. Astragalus drummondii Douglas ex Hook..

U.S.A., Colorado, Pueblo County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: north edge of Colorado City on Crow Cut-off at Scroggs Arroyo.
Roadcut and undisturbed areas along highway; grasslands with scattered Pinus edulis, Juniperus monosperma, Prunus, Rhus, and Symphoricarpos. Phenology: flowering.

U.S.A., Colorado, Pueblo County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Three R Road (County Road 230) at the North Saint Charles River crossing.
Roadside with road cut; grasslands with scattered pinyon pine and juniper. Phenology: flowering.

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

U.S.A., Montana, Carbon County: Along Mont Hwy 78, ca 1.5 mi E of intersection between Mont Hwy 78 and Lower Luther Road, ca 10 air mi NW of Red Lodge.
Along road cut, dominated by introduced grasses and bare, steep slopes. Phenology: flowering.

U.S.A., Montana, Gallatin County: Gallatin Range: Gallatin National Forest: from Storm Castle/ Garnet Mountain trailhead to Garnet Mountain, ca 19.5 air mi SSW of Bozeman.
Open mixed conifer forest dominated by Pinus contorta and Pseudotsuga menziesii. Phenology: flowering.

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

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

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountains: ca 8.5 air mi N of Gardner Butte in vicinity of intersection of Forest Roads 630 and 637.
Ponderosa pine slopes and sandy hill top. Phenology: flowering.
with Melanie Arnett, Charity Hall, Brian Jacobs, and Alex Morgan

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

U.S.A., Montana, Meagher County: Lewis and Clark National Forest: Castle Mountains: Forest Road 694, ca 1.5 air mi S of junction with U.S. Hwy 12.
Forested slope; west aspect; 5-25% slope; Pinus ponderosa and Pseudotsuga menziesii. Phenology: flowering.

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: U.S. Hwy 160, ca 5.5 air mi NW of La Veta.
Roadside. Phenology: fruiting.

U.S.A., Colorado, Saguache County: La Garita Mountains: Hodding Creek, ca 2-2.5 road mi SW of Colo Hwy 114, ca 12 air mi W of Saguache.
Conifer forests, slopes to rock outcrop and stream bottom. Phenology: flowering.

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

U.S.A., Colorado, Saguache County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Cochetopa Hills: road to Spanish Creek, ca 2 road mi NNW of Colo Hwy 114; ca 4 air mi E of North Pass.
Grassland and coniferous woodland. Phenology: flowering & fruiting.

U.S.A., Montana, Sweet Grass County: Absaroka Range: along Mont Hwy 298 below Coal Mine Rim, ca 18 air mi SW of Big Timber.
Roadside. Phenology: flowering.

U.S.A., Wyoming, Park County: Beartooth Mountains: Shoshone National Forest: between Clarks Fork Trailhead and Table Mountain, ca 17.5 air mi SE of Cooke City, Montana.
Open sagebrush dominated meadow amongst scattered Douglas fir and lodgepole pine. Phenology: flowering.
Accession: RM 861827, Barcode: USFS0042201

U.S.A., Montana, Powder River County: Custer National Forest: Ashland Ranger District: ca 0.5 air mi E of Fletcher Reservoir between Forest roads 4792 and 47921, ca 27.5 air mi SSE of Ashland.
Ponderosa pine and grass-dominated open woodland. Phenology: flowering.

U.S.A., Montana, Powder River County: Custer National Forest: Ashland Ranger District: E of Forest Road 4775, ca 1.5 air mi SE of East Fork Otter Creek Road, ca 2.5 air mi SSW of Holiday Campground, ca 13.5 air mi E of Ashland.
Ponderosa pine-dominated forest with scattered rock outcrops and grass-dominated openings. Phenology: fruiting.

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

U.S.A., Montana, Powder River County: Custer National Forest: Ashland Ranger District: N of Forest Road 4409, generally between Cabin Creek Spring and Deer Creek Spring, ca 11 air mi ENE of Ashland.
Burnt knoll with clayey and rocky substrates dominated by grasses, yucca, and Glycyrrhiza. Phenology: fruiting.

U.S.A., Montana, Powder River County: Custer National Forest: Ashland Ranger District: just N of Forest Road 4410, ca 2 air mi E of Yager Butte, ca 17 air mi ESE of Ashland.
Grass and sagebrush-dominated meadow. Phenology: fruiting.

U.S.A., Montana, Powder River County: Custer National Forest: Ashland Ranger District: in the vicinity of Forest Road 47842, ca 1/4 road mi from its junction with Forest Road 4784, ca 1.5 air mi S of Fifteen Mile Creek Road, ca 22 air mi SE of Ashland.
Grass and sagebrush-dominated steppe with scattered islands of open ponderosa pine woodland. Phenology: fruiting.

U.S.A., Montana, Phillips County: Little Rocky Mountains: above the old Landusky Mining Camp and just below the Zortman-Landusky Gold Mine on the south side of Gold Bug Butte, ca 47 air mi SW of Malta.
Open slopes. Phenology: flowering.
with Joseph L. M. Charboneau

U.S.A., Montana, Valley County: On ridge between Lena Coulee and Cut Throat Coulee on the Timber Creek Trail, ca 40 air mi SW of Glasgow.
Sandy flats and butte with sandstone outcrops and boulders. Phenology: flowering & fruiting.
with Joseph L. M. Charboneau

U.S.A., Montana, Valley County: W of Hinsdale North Road and head of Sheepherders Coulee, ca 10 air mi N of Hinsdale; ca 32 air mi NW of Glasgow.
Rocky slopes and flats in grassland with high ground cover of Selaginella. Phenology: flowering.

U.S.A., Montana, Phillips County: Upper Missouri River Breaks National Monument: at the end of Winter Ridge Road above and W of Winter Creek, ca 15 air mi SW of Hays; ca 61 air mi SW of Malta.
Sagebrush-grassland. Phenology: fruiting.
with Joseph L. M. Charboneau

U.S.A., Montana, Phillips County: Upper end of Peck Coulee ca 4 air mi S of Saskatchewan and ca 3 air mi E of Frenchman Creek, ca 51 air mi NNE of Malta.
Grassland with scattered silver sagebrush. Phenology: fruiting.

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: N of Walsenburg on I-25 at Exit 64 on interstate right-of-way.

U.S.A., Montana, Valley County: On ridge between Duck Creek and Upper Eighth Coulee along Road 329, ca 1.5 air mi NW of Graveyard Hill, ca 26.5 mi SW of Fort Peck.
Sandy hillside with sandstone outcrops. Phenology: flowering.
Joseph L. M. Charboneau, 52. 6/15/2010.

U.S.A., Montana, Valley County: On Britsch Road, ca 3 air mi SSW of Ada Reservoir, ca 12 air mi NE of Hinsdale.
Grassland with occasional sagebrush on clay soil with slopes and drainages. Phenology: flowering & fruiting.
Joseph L. M. Charboneau, 164. 6/21/2010.

U.S.A., Montana, Valley County: On Ridge Road, on ridge above Tony Coulee, ca 2.5 air mi SW of Finn Reservoir, ca 36 air mi SW of Glasgow.
Sandy sagebrush-grasslands. Phenology: flowering.
Joseph L. M. Charboneau, 439. 6/24/2010.

U.S.A., Montana, Phillips County: On Black Coulee Road, in Coburg Coulee and ridge to the W, ca 4 air mi WSW of Haystack Butte, ca 12 air mi SE of Turner; ca 31 air mi NW of Malta.
Clay hillsides at top of ridge. Phenology: flowering & fruiting.

U.S.A., Montana, Phillips County: Matador Ranch: on Dry Fork Road, on top of Dry Fork Ridge, ca 2.5 air mi N of Wrangler Reservoir, ca 16.5 air mi ESE of Zortman.
Sagebrush-grasslands on rolling hills with clay soil. Phenology: flowering & fruiting.

U.S.A., Montana, Phillips County: On North Frenchman Road, on ridge above Steelman Coulee, ca 8.5 air mi NE of Gray Reservoir, ca 37.5 air mi N of Saco; ca 51 air mi NNE of Malta.
Grasslands on loamy soil. Phenology: flowering & fruiting.

West of interstate to the top of low ridges in pinyon-juniper woodlands. Phenology: flowering.

U.S.A., Montana, Valley County: W of U.S. Hwy 2 in Mooney Coulee, ca 5 air mi SSE of Cornwell Reservoir, ca 8 air mi NNW of Glasgow.
Grasslands on sandy soil with hillsides. Phenology: flowering & fruiting.

U.S.A., Montana, Valley County: N of Willow Creek Road, in unnamed tributary of Barber Coulee and ridge to the W, ca 1.5 air mi SE of Wagner Spring, ca 36 air mi SW of Glasgow.
Sagebrush-grasslands on clayey soil. Phenology: fruiting.

U.S.A., Montana, Valley County: E of Rock Creek Trail in hills W of Deep Creek, ca 1 air mi SE of Antelope Pass, ca 26 air mi NNE of Hinsdale; ca 42 air mi NNW of Glasgow.
Grassland hills on clay soil. Phenology: fruiting.

U.S.A., Montana, Valley County: Just N of Rock Creek Dam Road, ca 0.5 air mi W of Rock Creek, ca 5.5 air mi NNE of Hinsdale.
Grasslands with hillslopes on loamy soil. Phenology: fruiting.

U.S.A., Montana, Phillips County: Assiniboine Creek, W of Assiniboine Road, ca 8 air mi WNW of the confluence of Assiniboine Creek with the Milk River, ca 10 air mi NNW of Malta.
Grassland valley. Phenology: fruiting.

U.S.A., Colorado, Huerfano County: [location and coordinates withheld]
Foothills with pinyon-juniper woodlands. Phenology: flowering & fruiting.

Pinyon-juniper. Phenology: flowering & fruiting.
with Elizabeth Mark

West side of canyon in pinyon-juniper. Phenology: flowering.
with Elizabeth Mark

U.S.A., Colorado, Chaffee County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: from U.S. Hwy 50 N on County Road 250 to ca 0.5 mi beyond BLM border, ca 7 air mi NW of Salida.
Pinyon-juniper. Phenology: flowering.
with Elizabeth Mark

U.S.A., Colorado, Costilla County: [location and coordinates withheld]
Artemisia tridentada/pinyon-juniper. Phenology: flowering & fruiting.

U.S.A., North Dakota: W of Marmarth.
Railway embankment. Phenology: flowering & fruiting.

U.S.A., Nebraska, Morrill County: 3 mi N of Bonner.
Sand hills. Phenology: flowering & fruiting.

U.S.A., Nebraska, Dawes County: Highway 385: ca 13 mi from Chadron, 9 mi N of junction.
Weedy midgrass prairie. Phenology: fruiting.
with M. Ralphs

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: ca 2 air mi SW of Gardner on County Road 560.
Pinyon-juniper. Phenology: flowering & fruiting.
with Elizabeth Mark and Kenneth Elliott

U.S.A., Colorado, Custer County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountains: ca 2 mi N of Colo Hwy 96 on County Road 271, ca 5.5 air mi W of McKenzie Junction (junction of Colo hwys 165 & 96); ca 8 air mi NE of Silver Cliff.
Pinus ponderosa and riparian areas. Phenology: flowering.
with Elizabeth Mark and Kenneth Elliott

U.S.A., Colorado, Las Animas County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Park Plateau: Bosque de Oso Wildlife Area, Torres Canyon, SW of Weston.
Riparian with Quercus. Phenology: fruiting.

Pinyon-juniper on a volcanic outcropping. Phenology: flowering & fruiting.

U.S.A., Colorado, Saguache County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Sangre de Cristo Range: on Forest Road 990, ca 2 air mi E of Poncha Pass on U.S. Hwy 285, ca 1/2 mi W of Rio Grande National Forest.
Pinus ponderosa, P. edulis, Pseudotsuga menziesii, Populus tremuloides, and Artemisia tridentata. Phenology: flowering.

U.S.A., Colorado, Saguache County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: from ca 1 mi E of Alder E to Decker Creek at the forest border.
Riparian with Artemisia tridentata and stands of Quercus gambellii. Phenology: flowering.

U.S.A., Colorado, Fremont County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Sangre de Cristo Range: from Hayden Campground up toward Hayden Pass, ca 9 air mi S of Howard.
Pinus ponderosa, Quercus gambellii, Pseudotsuga, and Abies concolor.

U.S.A., Colorado, Huerfano County: [location and coordinates withheld]
Grassland with numerous forbs. Phenology: fruiting.

U.S.A., Montana, Phillips County: Along Black Coulee Road, ca 13 air mi N of Dodson; ca 23 air mi NW of Malta.
Rolling grassland. Phenology: flowering.

U.S.A., Montana, Phillips County: Along Black Coulee Road near the head of Coburg Coulee, ca 20 air mi N of Dodson; ca 29 air mi NW of Malta.
Bench land above selenite bearing clay slopes. Phenology: flowering.

U.S.A., Montana, Valley County: Along Willow Creek Road above and E of Barber Coulee, ca 36 air mi SW of Glasgow.
Grasslands with scattered sagebrush below the butte. Phenology: flowering & fruiting.

U.S.A., Montana, Valley County: Along Harper Ridge Road above and N of Carpenter Creek at the north boundary of Charles M. Russell National Wildlife Refuge, ca 40 air mi SW of Glasgow.
Grassland on sandy soil above the rough breaks. Phenology: flowering & fruiting.

U.S.A., Montana, Phillips County: Along and above "Middle Fork" Exeter Creek, ca 9 air mi ENE of Dodson; ca 10 air mi WNW of Malta.
Plains grassland and slopes and swales leading to the creek. Phenology: flowering.

U.S.A., Montana, Phillips County: Larb Hills (North): above and S of Old U.S. Hwy 2 and BNSF tracks, ca 5.5 air mi W of Saco; ca air mi ENE of Malta.
Rough breaks with clay slopes, swales, and drainage channels. Phenology: flowering & fruiting.

U.S.A., Montana, Valley County: Along Rock Creek Road at the south edge of Rock Creek Flats, ca 5 air mi S of Thoeny; ca 24 air mi W of Opheim.
Plains grassland with scattered silver sagebrush on stony soil. Phenology: flowering & fruiting.

U.S.A., Montana, Phillips County: At the intersection of U.S. Hwy 191 and Sunnyslope Road, ca 2 air mi N of Loring; ca 32 air mi N of Malta.
Rolling plains grassland with stony knolls and swales. Phenology: flowering & fruiting.

U.S.A., Montana, Phillips County: Hills E of Chapman above Woody Island Coulee, ca 38 air mi NNW of Malta.
Stony bluffs, flats above, and swales. Phenology: flowering.

U.S.A., Montana, Phillips County: Assiniboine Creek and ridge to the NE, ca 2.5 air mi W of the Milk River, ca 8 air mi NNE of Malta.
Sagebrush-grasslands on clay soil. Phenology: flowering.

U.S.A., Colorado, Costilla County: [location and coordinates withheld]
Artemisia tridentata with stands of Populus tremuloides and Pinus ponderosa. Phenology: flowering & fruiting.
with Elizabeth Mark and Pete Schneider

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: N of Mont Hwy 208, hills between Lush Coulee and Martins Coulee, ca 3 air mi SW of Austin Lake, ca 6.5 air mi SSW of Whitewater; ca 24.5 air mi NNE of Malta.
Hillsides with stony clay soil. Phenology: flowering.

U.S.A., Montana, Phillips County: Dunbar Coulee, S of North Whitewater Road, ca 5 air mi WNW of Salsbery Reservoir, ca 7.5 air mi NNE of Whitewater; ca 46 air mi NNE of Malta.
Grasslands with fringed sage and spikemoss on clay soil. Phenology: flowering.

U.S.A., Montana, Valley County: Windy Ridge and Papoose Creek, ca 1 air mi SSW of Erie Reservoir, ca 15 air mi N of Hinsdale; ca 36 air mi NW of Glasgow.
Moist coulee bottoms and swales. Phenology: flowering.

U.S.A., Colorado, Costilla County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Sangre de Cristo Range: at Mountain Home Reservoir, ca 3 mi SE of Ft. Garland.
Lakeside and Pinyon-Juniper. Phenology: 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-grasslands on loamy rolling hills. Phenology: flowering & fruiting.

U.S.A., Montana, Phillips County: Larb Hills (North): N of Cottonwood Creek, ca 4 air mi S of Bauer Reservoir, ca 13 air mi SW of Saco; ca 17.5 air mi ESE of Malta.
Silver sagebrush-grasslands on loamy soil on rolling hills with swales. Phenology: flowering & fruiting.

U.S.A., Montana, Phillips County: N of Cottonwood Creek, ca 9.5 air mi WNW of Fanny Hill, ca 27 air mi WSW of Whitewater; ca 27 air mi NNW of Malta.
Grasslands with occasional silver sagebrush on loamy soil. Phenology: fruiting.

U.S.A., Montana, Phillips County: SW of Martin Lake, N of Turner Cutacross Road, ca 4 air mi W of Loring; ca 15 air mi WNW of Whitewater; ca 30 air mi NNW of Malta.
Grasslands with occasional silver sagebrush on loamy soil. Phenology: fruiting.

U.S.A., Montana, Phillips County: Matador Ranch: Coburn Butte and prairie to the E, ca 8.5 air mi WSW of Veseth Reservoir, ca 8.5 air mi ESE of Zortman; ca 40 air mi SSW of Malta.
Grasslands at base of butte with sandy soil. Phenology: fruiting.

U.S.A., Montana, Valley County: Seventh Ridge, ca 4.5 air mi NE of Graveyard Hill, ca 22 air mi SW of Fort Peck; ca 27 air mi SSW of Glasgow.
Sandstone-based ridge. Phenology: fruiting.

U.S.A., Montana, Phillips County: Sand Hills: ca 3.5 air mi SSE of Silver Peak, ca 5.5 air mi SSW of Zortman; ca 49 air mi SW of Malta.
Sandstone ridge with occasional ponderosa pine, juniper, and big sagebrush. Phenology: fruiting.

U.S.A., Montana, Phillips County: Little Rocky Mountains: E of Lodgepole Creek, ca 1 1/4 air mi N of Green Mountain, ca 4.5 air mi NNW of Zortman; ca 42 air mi SW of Malta.
South-facing slopes with ponderosa pine forest and open meadows. Phenology: flowering & fruiting.

U.S.A., Montana, Phillips County: Little Rocky Mountains: Grouse Gulch, ca 2.5 air mi SSE of Antoine Butte, ca 3 air mi E of Landusky; ca 46.5 air mi SW of Malta.
Loose, granitic, south-facing scree slope. Phenology: fruiting.

U.S.A., Montana, Carbon County: Beartooth Mountains: Custer National Forest: along West Red Lodge Creek and ridge between West Red Lodge and East Fork West Red Lodge creeks, ca 3 air mi SSW of Luther; ca 11.5 air mi WNW of Red Lodge.
Forb meadow slope with patches of Symphoricarpos. Phenology: flowering.
Accession: USFS (unaccessioned), Barcode: USFS0048205

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountains: County Road 360, ca 12 air mi NNW of Gardner.
Southwest exposure with volcanic outcrops and scattered pinyon and ponderosa pine. Phenology: flowering.

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountains: County Road 634 along Ute Log Gulch, ca 10 air mi NNW of Gardner.
Ponderosa pine forest and streamside. Phenology: flowering & fruiting.

U.S.A., Montana, Carbon County: Pryor Mountains: Custer National Forest: Gooseberry Hollow above Crooked Creek Canyon, ca 26 air mi SE of Bridger.
45.127° N, 108.4307° W; NAD 83, uncertainty 0.5 mi., Nat. Geog. TOPO!
Open, stony hillside. Phenology: fruiting.
Accession: (unaccessioned), Barcode: USFS0047658

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Rattlesnake Hills: northwest end of range S of Dry Creek Road, ca 17.8 air mi SW of Waltman.
Wet meadow of graminoids and forbs. Phenology: fruiting.

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountains: southeast end of Black Mountain, 7 air mi NW of Gardner.
Grassland with pinyon and ponderosa pine on slopes. Phenology: flowering.

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Sangre de Cristo Range: along Oso and May creeks, 0.7 air mi W of Sharpsdale.
Pinyon pine slopes and roadside. Phenology: flowering & fruiting.

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: along fence line S toward Little Sheep Mountain.
Pinyon pine and meadows. Phenology: fruiting.

U.S.A., Montana, Madison County: Tobacco Root Mountains: Granite Creek, ca 10 air mi WSW of Ennis Lake, ca 5.5 air mi N of Virginia City.
Juniperus scopulorum woodland with occasional Pseudotsuga mensiezii and Pinus flexilis. Phenology: flowering.

U.S.A., Montana, Powder River County: Custer National Forest: Ashland Ranger District: ca 0.5 air mi E of Fletcher Reservoir between Forest roads 4792 and 47921, ca 27.5 air mi SSE of Ashland.
Ponderosa pine and grass-dominated open woodland. Phenology: flowering.
Accession: (unaccessioned), Barcode: USFS0050286

U.S.A., Colorado, Saguache County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Cochetopa Hills: ca 2.5 air mi NNW of Colo Hwy 114 on road to Cabin Draw.
Ridge and sides of basaltic rock. Phenology: flowering & fruiting.
with Fengjie Sun

U.S.A., Colorado, Saguache County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Cochetopa Hills: Rio Grande National Forest: Soda Spring Gulch, County Road LL56, ca 7 air mi WSW of Villa Grove.
Igneous outcrops and adjacent grassland. Phenology: flowering & fruiting.

U.S.A., Colorado, Saguache County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Cochetopa Hills: Rio Grande National Forest: County Road NN56, 5.5 air mi NW of Villa Grove.
Rocky open and eroded slopes. Phenology: fruiting.

U.S.A., Wyoming, Fremont County: Wind River Basin: BLM office at southeast edge of Lander.
With Castilleja, Penstemon, Agropyron spicatum. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Owl Creek Range: E of the Wind River Canyon, at Birds Eye Pass.
Common on slopes with sagebrush and lupine. Phenology: flowering.
with Marjorie W. Porter

U.S.A., Wyoming, Fremont County: Upper Wind River.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: along Whit Creek, ca 0.5 mi S of Wapita.
With Salix, Populus, and Poa. Phenology: flowering.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: ca 1/4 mi N of Mooncrest Ranch and end of Rattlesnake Creek Road, Forest Road 402.

U.S.A., Wyoming, Fremont County: Near Shoshone Forest boundary, ca 19 mi NW of Dubois along U.S. Hwy 287.

U.S.A., Wyoming, Fremont County: Wind River Mountains.
T1S R2W S26
Sandy soil, Chugwater formation, sage-grassland. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Wind River Mountains.
T1S R2W S26
Sage-grassland. Phenology: flowering.

U.S.A., Wyoming, Park County: Beartooth Plateau: Line Creek just S of Montana.
Stream margin, rocky slopes and ridges, redbeds. Phenology: flowering.
Annotated by Emily Elliott.
Accession: 861825, Barcode: USFS0042199

U.S.A., Idaho, Clark County: Targhee National Forest: Lemhi Range: slopes on the north side of lower Eightmile Canyon, 20 air mi N of Howe.
Well developed soil in mesic shrub-steppe vegetation; 26° slope, S aspect; alluvial geology. 1-25 individuals apparent. Phenology: flowering.

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

U.S.A., Montana, Beaverhead County: Beaverhead Valley: Henneberry Gulch, ca 13 air mi SW of Dillon, ca 4 air mi NW of Gallagher Mountain.
Rocky sagebrush steppe on steep, south-facing slopes. Phenology: flowering.

U.S.A., Montana, Madison County: Madison Range: Taylor Hilgard Unit of Lee Metcalf Wilderness: North Fork Bear Creek and Cameron Creek, ca 3-5 air mi NW of Sphinx Mountain, ca 14-15 air mi SE of Ennis.
Sagebrush grasslands. Phenology: flowering.

U.S.A., Montana, Madison County: Snowcrest Range: Ledford Creek, ca 16-18 air mi S of Ruby River Reservoir, ca 30 air mi SE of Dillon.
Dry, south-facing grasslands on a limestone outcrop. Phenology: flowering.

U.S.A., Colorado, Montrose County: Slopes above substation SE of Cimarron, NE of U.S. Hwy 50, ca 19.5 air mi E of Montrose.
Sagebrush with scattered juniper near two-track road. Phenology: flowering.

U.S.A., Wyoming, Platte County: Ca 8 mi N of Guernsey.
Grassland, with Packera cana and Pediomelum. Flowers cream. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Along Hugus Draw, ca 10 air mi SE of Rawlins.
Mesa Verde sandstone, very fine to medium grained calcareous, coal; clay sand slightly alkaline soil; slope 5-45 deg, aspect north; saline lowland in drainage draw, with Chrysothamnus, Artemisia tridentata ssp. wyomingensis, Trifolium gymnocarpon, Elymus lanceolatus, Delphinium, Sarcobatus vermiculatus. Phenology: flowering.
Annotated by Bonnie Heidel.
with Frank Blomquist

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Ferris Mountains: Miners Canyon on northeastern side of range, ca 16 air mi N of Independence Rock.
Along creek; limber pine, Rocky Mountain maple, and Ribes common. Phenology: fruiting.

U.S.A., Wyoming, Goshen County: 8 mi SSW of Torrington.
Grassy roadside; with Melilotus, Agropyron. Flower ochroleucous. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: At Farson turnoff, 9 mi SE of Lander.
Hillside. Phenology: flowering & fruiting.
Harold F. Eppson, s.n.. 6/3/1949.

U.S.A., Wyoming, Platte County: Near Medicine Bow National Forest, 5 mi W of Glendo.
Slope 40%; deep clay loam; plains. Scarce; flowers dirty white; in large clumps with large long tap root; 24 in tall. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Wheatland Cutoff road.

U.S.A., Wyoming, Converse County: Great Divide Basin and Adjacent Regions: Little Box Elder Cave.
Growing in the draws, slopes, and meadow areas near the cave; in dry wash. Common. Phenology: flowering.

U.S.A., Wyoming, Albany County: Great Divide Basin and Adjacent Regions: Big Hollow, near County Road 44 between Wyo Hwy 130 and Wyo Hwy 230, W of Laramie.
T15N R75W S18; also S19

U.S.A., Wyoming, Albany County: Great Divide Basin and Adjacent Regions: Sand Creek along the Colorado border near Camel Rock, Castle Rock, and the Weird Wind Erosions, along County Road 316.
Dry soil, slopes. Phenology: flowering.

U.S.A., Wyoming, Albany County: East slope of Centennial Mountain.
Among sage. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Black Buttes Mill Site, 20 mi NNE of Shoshone.
Dry hillside. Phenology: flowering.
George F. Freytag, 60. 6/8/1948.

U.S.A., Wyoming, Converse County: Laramie Mountains: La Bonte Creek along County Road C-5, ca 15 air mi S of Douglas
In dry soil with sagebrush. Common. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Shirley Basin: at junction of Wyo hwys 487 and 77, 24 mi S of Natrona County.
with Jane P. Nelson

U.S.A., Wyoming, Albany County: Sheep Mountain: on the Johns Creek alluvial fan.

U.S.A., Wyoming, Niobrara County: N of Lusk.

U.S.A., Wyoming, Natrona County: Along west side of Garden Creek Road, 1.8 mi from junction with Casper Mountain Road.
Grassland; rocky hillside. Phenology: fruiting.
with Jane P. Nelson

U.S.A., Wyoming, Converse County: [location and coordinates withheld]
Old roadcut with original grasslands along fences; sandy soil. Phenology: fruiting.

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: ca 5 air mi S of Glenrock.
Sandstone tableland with sandy slopes. Phenology: flowering.

U.S.A., Wyoming, Laramie County: Laramie Range: northwest bank of Crystal Lake Reservoir and adjacent banks of Crow Creek N of reservoir; ca 2 air mi S of Wyo Hwy 210 (Happy Jack Road); ca 1 3/4 air mi W of Hecla.
Rolling mixed grass prairie knolls on summit of ridge W of reservoir; soil dry, gravelly Sherman Granite; Stipa-Carex oreocharis-Artemisia frigida community. Phenology: fruiting.
with Jane Struttmann

U.S.A., Wyoming, Albany County: Laramie Mountains: near Roger Canyon.
Disturbed ground along dirt road. Common; flowers cleam colored. Phenology: flowering.

U.S.A., Wyoming, Albany County: East slope of Centennial Mountain.
Among sage. Phenology: fruiting.

U.S.A., Wyoming, Sheridan County: Hidden Water Coal Site.
Sagebrush-grassland. Monarch Quadrangle. Phenology: flowering.
with L. M. Mayer

U.S.A., Wyoming, Laramie County: High Plains Grassland Research Station: 5 air mi NW of Cheyenne.
Short-grass prairie. Phenology: flowering.

U.S.A., Wyoming, Sheridan County: Big Horn Coal Site: Jensik Hill.
Grassland. Acme Quadrangle. Phenology: flowering.
with D. G. Bendix & M. A. Raphelson

U.S.A., Wyoming, Johnson County: Bighorn National Forest.
Gentle southeast slope; gravelly soil; open grass. Scarce. Phenology: flowering.

U.S.A., Wyoming, Laramie County: Campus of Laramie County Community College, SE of Cheyenne.
Short grass prairie. Phenology: flowering.
William C. Edwards, 49. 6/6/1983.

U.S.A., Wyoming, Sublette County: Wyo Hwy 235, 8 mi W of U.S. Hwy 189, Big Piney vicinity.
Semibarren knoll. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Haystack Mountains.

U.S.A., Wyoming, Washakie County: West slope Big Horn Mountains: Miller Range, ca 2 air mi NE of Choate Corral, 1/4 mi N of Brush Cabin Draw.
South-facing sagebrush-grassland slopes. Phenology: flowering.
with Ann Humphrey

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

U.S.A., Wyoming, Campbell County: 6 mi NNE of Gillette.
T51N R71W; also R72W.
Sagebrush-grassland association. Phenology: flowering.

U.S.A., Wyoming, Sheridan County: Hills E of Sheridan.
Grassy slope. Phenology: flowering.
Annotated by Ronald L. Hartman in 1971.

U.S.A., Wyoming, Natrona County: Casper Mountain area: vicinity of Garden Creek Falls.
Grassy slopes above the creek, soil rocky. Clumps of 5-6 stems. Phenology: flowering.

U.S.A., Wyoming, Albany County: Along North Platte River, 12 mi N of Sinclair.
Dry, sandy soil. Occasional. Phenology: flowering.
with Marjorie W. Porter

U.S.A., Wyoming, Carbon County: 1.5 mi S of Muddy Gap along U.S. Hwy 287.
Dry slopes with Purshia, Artemisia, Pinus flexilis, and Haplopappus. Phenology: flowering.

U.S.A., Wyoming, Campbell County:
Very dry grassy plains. Phenology: fruiting.
Mary Alice Sanguinetti, 261. 7/10/1978.
with Keith H. Dueholm

U.S.A., Wyoming, Albany County: 4 miles east of Laramie.
Roadside, in sandy soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Johnson County: Between Sheridan and Buffalo.
Rolling plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sheridan County: Hanna Creek.
Grassy pastures. Phenology: flowering & fruiting.

U.S.A., Wyoming, Niobrara County: Western part of the Great Plains Prairie at Jireh.
In sandy-silt loam. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie.
Foothills. Phenology: flowering.

U.S.A., Wyoming, Laramie County: Pine Bluffs.
41.1833° N, 104.0779° W; NAD 83, uncertainty 1 mi., Nat. Geog. TOPO!

U.S.A., Wyoming, Park County: Yellowstone National Park: Yellowstone River.
On dry hillsides. Phenology: flowering.
with Elias Nelson

U.S.A., Wyoming, Crook County: Little Missouri Buttes.
Phenology: vegetative only.

U.S.A., Wyoming, Albany County: Rock River.
Gravelly slopes and bench lands. Ecological Survey of Vegetativ Succession Under Irrigation Phenology: fruiting.
J. Francis Macbride, 2785. 7/5/1914.

U.S.A., Wyoming, Fremont County: Birds Eye.
Moist slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Yellowstone National Park: Yellowstone River.
On dry hillsides. Phenology: flowering & fruiting.
with Elias Nelson

U.S.A., Wyoming, Laramie County: Pole Creek near Table Mountain.

U.S.A., Wyoming, Natrona County: Hells Half Acre.
In a large clump. Phenology: flowering.
George F. Freytag, 11. 5/2/1948.

U.S.A., Wyoming, Campbell County: 20 mi N of Gillette.
Open cedar type; sandy clay loam hills. Phenology: flowering & fruiting.
Charles L. Turner, 40. 6/6/1946.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: Wyo Hwy 253, ca 9 air mi SE of Casper.
Wide right-of-way with road cut and relatively undisturbed grasslands along fence and drainage with cottonwood and willow. Phenology: flowering & fruiting.

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

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

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

U.S.A., Wyoming, Platte County: Camp Guernsey: rim of Sawmill Canyon on Osburn Ranch parcel; south end of transect ca 6.0 km NE of North Platte River, ca 7.9 km NW of Range Control.
Sloping hillside; burned pine open forest; silty loam with rock outcrops; with Pinus ponderosa, Pascopyrum smithii, Packera plattensis, Bouteloua curtipendula, Descurainia pinnata, Elymus spicatus, Tetraneuris acaulis, Carex filifolia, Bromus tectorum, Koeleria macrantha. Scattered; ascending to erect, perennial herb; 3.5 dm tall. Phenology: flowering & fruiting.
with P. Block

U.S.A., Wyoming, Platte County: Camp Guernsey: 3.2 km NE of Sam Draw, 3.9 km S of Broom Creek.
zone DMC, 522700E, 4698300N; unknown, GPS reading
Northwest-facing slope; pine/juniper woodland; silty loam; with Pinus ponderosa, Juniperus scopulorum, Koeleria cristata, and Arenaria sp. Common; ascending, taporooted perennial herb; 40 cm tall; corolla white. Phenology: fruiting.
Patricia P. Douglas, 303. 6/27/1995.
with Rosalie M. Smith, Nancy E. Hastings

U.S.A., Wyoming, Platte County: Camp Guernsey: ca 0.4 km SW of Deercorn Springs Creek and ca 0.8 km S of northern boundary of base.
zone DMC, 515150E, 4697300N; unknown, GPS reading
Gentle to moderate slopes; disturbed mixed grass prairie; sandy loam; with Koeleria macrantha, Erigeron bellidiastrum, Bromus spp. Scattered; ascending to erect, perennial herb; 40-60 cm tall; multiple stems from base; corolla cream. Phenology: flowering.
Carlos A. Popolizio, 718. 6/12/1996.
with Nancy E. Hasting, Rosalie M. Smith, Donald L. Hazlett

U.S.A., South Dakota, Custer County: Ca 15 mi SW of Custer.
Grassland with Koeleria, Elymus, Artemisia frigida. Flowers cream. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Camp Guernsey: ca 0.5 km S of Patten Creek, ca 0.5 km E of Patten Creek.
zone DMC, 519500E, 4695600N to ; unknown, GPS reading
Gentle slopes; grassland; shallow degraded limestone; with Artemisia nova, Camissonia subacaulis, Hymenoxys acaulis, Koeleria micrantha. Infrequent; ascending, perennial herb from a woody caudex; 0.5 m tall; corolla pale yellow. Phenology: flowering.
Patricia P. Douglas, 187. 6/13/1995.
with B. E. Nelson, Carlos A. Popolizio, Rosalie M. Smith

U.S.A., Wyoming, Platte County: Camp Guernsey: 3.2 km NE of Sam Draw, 3.9 km S of Broom Creek.
zone DMC, 522700E, 4698300N; unknown, GPS reading
Northwest-facing slope; pine/juniper woodland; silty loam; with Pinus ponderosa, Juniperus scopulorum, Koeleria cristata, and Arenaria sp. Common; asending, taprooted perennial herb; 40 cm tall. Corolla white. Phenology: fruiting.
Patricia P. Douglas, 303. 6/27/1995.
with Rosalie M. Smith, Nancy E. Hastings

U.S.A., Wyoming, Platte County: Camp Guernsey: ca 0.5 km S of Patten Creek, ca 0.5 km E of Patten Creek.
zone DMC, 519500E, 4695600N to ; unknown, GPS reading
Gentle slopes; grassland; shallow degraded limestone; with Artemisia nova, Camissonia subacaulis, Hymenoxys acaulis, Koeleria macrantha. Infrequent; ascending, perennial herb from a woody caudex; 0.5 m tall; corolla pale yellow. Phenology: flowering.
with B. E. Nelson, Carlos A. Popolizio, Rosalie M. Smith

U.S.A., Wyoming, Fremont County: Foothills of Wind River Range: Commissary Hill, located 2 air mi SE of Weiser Knoll and 16 air mi SE of Lander.
Sagebrush grassland; soil loamy clay; slope 20 deg, aspect S, SW; with Linum lewisii var. lewisii, Balsamorhiza sagitata, Hedysarum boreale ssp. boreale var. boreale. Seeds of Success WY050-217 Phenology: fruiting.
Shannen M. Cashman, 19. 8/8/2019.
with Margaret R. Hackl

U.S.A., Colorado, Park County: East-central Colorado: Mosquito Range to Plains: off Blue Mountain or Wagon Tongue or County Road 98 or Forest Road 239 at intersection with Forest Road 240 at Blue Mountain and Fish Creek.
East-facing slopes of mountain, in ponderosa pine. Phenology: flowering.

U.S.A., Colorado, Fremont County: East-central Colorado: Mosquito Range to Plains: Arkansas River Drainage: Sand Gulch off Sand Gulch or County Road 13, ca 2.8 road mi NE of intersection with County Road 12, ca 3 air mi NNE of Cotopaxi.
Sparsely wooded slopes and drainages in pinyon-juniper on sandy-gravelly granitic soils with large granite outcrops. Phenology: flowering.

U.S.A., Colorado, Fremont County: East-central Colorado: Mosquito Range to Plains: Arkansas River Drainage: Sand Gulch S along a drainage intersecting Sand Gulch Road ca 1.2 road mi from intersection with Colo Hwy 9, ca 15 air mi NW of Canon City.
Open grassy area. Phenology: flowering.

U.S.A., Colorado, Fremont County: East-central Colorado: Mosquito Range to Plains: Arkansas River Drainage: Gardner Peak/Crampton Mountain: on slopes, ridges and peaks and along Tallahassee Creek, off County Road 21A ca 15.2 air mi ENE of Canon City.
On steep south-facing slopes with occasional rock outcrops and dense patches of Gambel's oak. Phenology: flowering & fruiting.