Hymenoxys richardsonii var. richardsonii (1997)
ASTERACEAE
Hymenoxys richardsonii (Hook.) Cockerell var. richardsonii
U.S.A., Wyoming, Carbon County: [location and coordinates withheld]
Rough breaks with various sagebrushes and old reclaimed coal areas. Phenology: flowering.
with Amy J. Roderick
Accession: RM 665622, Barcode: RM0304479

Hymenoxys richardsonii var. richardsonii (1997)
ASTERACEAE
Hymenoxys richardsonii (Hook.) Cockerell var. richardsonii
U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: along Third Sand Creek and ridge to the S, ca 2-2.5 air mi E of Saddleback Hills; ca 11.5-12 air mi SE of Hanna; ca 4.5 air mi NNE of Elk Mountain (town).
Sandstone-mudstone ridge top and sandy clay slopes with coal beds. Phenology: flowering.
Accession: RM 665621, Barcode: RM0304478

Hymenoxys richardsonii var. richardsonii (1995)
ASTERACEAE
Hymenoxys richardsonii (Hook.) Cockerell var. richardsonii
U.S.A., Wyoming, Hot Springs County: Bighorn Basin: ca 0.5 mi NE of Grass Creek, just N of Cottonwood Creek Road, ca 22 mi NW of Thermopolis.
Elev. 5000 ft.
Shrub steppe with Atriplex confertifolia, Atriplex gardneri, Lappula redowskii, and Xylorhiza glabriuscula. Phenology: flowering.
Accession: RM 784106, Barcode: RM0304417

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: ridge ca 4 mi W of Gebo; 14 mi NW of Thermopolis.
Sagebrush-grassland with scattered Juniperus scopulorum, Oryzopsis hymenoides, Koeleria macrantha, Bouteloua gracilis, and Platyschkuhria integrifolia. Phenology: flowering.
Accession: RM 820074, Barcode: rm0023821

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: major tributary of Third Sand Creek S of Second Sand Creek, ca 6.6 air mi NNE of Elk Mountain townsite; ca 12 mi SE of Hanna.
Rolling sagebrush steppe with rough breaks. Phenology: flowering.
with B. E. Nelson

U.S.A., Colorado, Rio Grande County: Eastern San Juan Mountains: Rio Grande National Forest: Colo Hwy 149 N, ca 2.5 air mi N of South Fork.
Elev. 8360 ft.
Along highway. Phenology: flowering.
Accession: RM 795403

U.S.A., Colorado, Conejos County: Eastern San Juan Mountains: Los Mogotes "peak 9816" to N then around towards way point
Rocky slopes in and adjacent to conifers and grassland below. Phenology: flowering.
Annotations:
1. Hymenoxys richardsonii (Hook.) Cockerell var. richardsonii
Annotated by Jeanette Flaig.
with Jeanette Flaig
Accession: RM 795402

U.S.A., Colorado, Conejos County: Eastern San Juan Mountains: along Apache Creek just N of New Mexico, ca 1 air mi S of Rio de los Pinos, ca 24 air mi SSW of Antonito.
Rocky ridge top. Phenology: flowering.
Annotations:
1. Hymenoxys richardsonii (Hook.) Cockerell var. richardsonii
Annotated by Jeanette Flaig.
Accession: RM (unaccessioned)

U.S.A., Colorado, Saguache County: Eastern San Juan Mountains: Rio Grande National Forest: Forest Road 787, Salt House, Forest Boundary, W of Saguache Park, ca 23 air mi NE of Creede.
Aspen forest. Phenology: flowering.
Accession: RM (unaccessioned)

U.S.A., Colorado, Grand County: Middle Park: ca 7 air mi ENE of Kremmling between Troublesome Creek and Sulphur Gulch, off County Road 2.
Elev. 7500 ft.
Loose sedimentary hills with surfacial mineral deposits. Phenology: flowering & fruiting.
Accession: RM (unaccessioned)

U.S.A., Colorado, Grand County: Middle Park: just N of Deer Creek, ca 9 air mi NW of Kremmling and ca 28.5 air mi SE of Steamboat Springs.
Dry south-facing sagebrush slope. Phenology: flowering & fruiting.

U.S.A., Colorado, Grand County: Middle Park: ca 8 air mi N of Wolford Mountain and ca 12 air mi N of Kremmling.
Gentle sagebrush slope. Phenology: flowering & fruiting.

U.S.A., Colorado, Grand County: Middle Park: Sulphur Springs, ca 7.5 air mi NE of Kremmling and ca 9 air mi WNW of Hot Sulphur Springs.
Along two track road and on adjacent sediment exposed on badland hilltop. Phenology: flowering & fruiting.

U.S.A., Colorado, Grand County: Middle Park: Rock Creek, ca 3 air mi NW of Parshall and ca 10 air mi ENE of Kremmling.
Sagebrush southwest-facing hill. Phenology: flowering & fruiting.

U.S.A., Colorado, Grand County: Rabbit Ears Range: Muddy Creek, ca 4 air mi SE of Whiteley Peak and ca 12.5 air mi NW of Wolford Mountain.
Sagebrush hills on fine sediment. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: N of Smiley Draw, ca 25.5 air mi WNW of Wamsutter, ca 41.5 air mi ENE of Rock Springs.
Sandy areas between knolls and sagebrush. Phenology: flowering.
with Laura Welp

U.S.A., Wyoming, Carbon County: Great Divide Basin Area: Great Divide Basin: top and sides of Continental Divide in rolling plains, ca 12 air mi S of Creston Junction; ca 17 air mi SE of Wamsutter.
Moist, sparsely vegetated draw with very hard clay soil; forbs dominant. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Popo Agie River Drainage: foothills ca 18 air mi SE of Lander; ca 24 air mi W of Sweetwater Station.
Open ridgetop with grasses, sagebrush, and scattered pines; rocky soil with scattered outcrops. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: BLM Road 5410, ca 1.3 road mi SE of WY 351; ca 4 air mi WSW of junction WY 351 and U.S. 191.
T30N R108 S10
Badlands, clays and sand with sagebrush along wash. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: ca 9 air mi SW of Ross Butte.
Mesa rim and slopes. Phenology: flowering.

U.S.A., New Mexico, Colfax County: I-25 at interchange 455, ca 1 air mi NNW of Raton.
Juniper-oak road cuts. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Washakie Basin: steeply tilted sandstone ridge E of Richards Gap.
Extensive sandstone outcrops with Juniperus osteosperma, Pinus edulis and P. ponderosa, and sagebrush-grassland on slope. Phenology: flowering.
with Keith H. Dueholm

U.S.A., New Mexico, Bernalillo County: Sandia rim.
T11N R5E
Phenology: flowering.
Annotations:
Annotated by C. L. Porter in 1968.
1.
Annotated by Aven Nelson in 1968.
Earl F. Castetter, s.n.. 7/12/1930.
Accession: RM 123390

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: Elk Mountain: ca 3/4 mi E of Thode Creek, east side of Pass Creek Road.
Sagebrush grasslands. Phenology: flowering.
Accession: (unaccessioned)

U.S.A., New Mexico, Catron County: 8 mi W of Pie Town.
T1N R14W S14
Phenology: flowering.
Annotated by C. L. Porter in 1968.

U.S.A., Wyoming, Park County: Bighorn Basin: at the head of Sand Spring Draw above Rimrock Basin, ca 9 air mi NE of Meeteetse; ca 25 air mi SE of Cody.
Sandy clay sagebrush slopes in the breaks. Phenology: flowering.
with Luanne Lum

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: butte S of County Road 324, ca 5 air mi ENE of Sinclair; ca 9.5 air mi E of Rawlins.
Dry shale slope dominated by rabbitbrush, sagebrush, snakeweed, and selenium indicators. Phenology: flowering.

U.S.A., Colorado, Montrose County: San Miguel and lower Dolores River Drainages: San Miguel River Drainage: ca 2 air mi SSE of Uravan.
On Morrison and Dakota formation, slopes and mesa top, with pinyon, juniper, Astragalus rafaelensis and A. lonchocarpos. Phenology: flowering & fruiting.
Accession: (unaccessioned)

U.S.A., Colorado, Montrose County: San Miguel and Lower Dolores River Drainages: San Miguel Drainage: canyon and hills S of San Miguel River, ca 8 mi NW of Naturita.
With pinyon and juniper. Phenology: flowering & fruiting.
Accession: (unaccessioned)

U.S.A., New Mexico, Bernalillo County: Sandia Mountains: summit of Sandia Crest.
T11N R5E
Shallow soil among rocks, above timberline. Phenology: flowering.
with E. McClintock and Linda Parker

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: Burnt Gulch to Freak Mountains, ca 10 air mi SSW of Lander.
Graminoid meadow on rocky limestone slope. Phenology: flowering.
Accession: USFS 843413, Barcode: USFS0027128

U.S.A., Colorado, Saguache County: Southern Gunnison Basin: Cochetopa Hills: ca 2.2 air mi NNW of Cochetopa Pass; ca 5.5 air mi SE of Cochetopa Dome; ca 19 air mi SW of Sargents along Forest Road 805-1A.
Open mixed conifer, south-draining ravine. Phenology: flowering & fruiting.

U.S.A., Colorado, Saguache County: Southern Gunnison Basin: Cochetopa Park: ash beds along Los Creek between County roads 17-FF and 17-GG, ca 3.4 air mi SSE of Cochetopa Dome.
Ash beds in mountain parkland. Phenology: flowering & fruiting.

U.S.A., Colorado, Saguache County: Southern Gunnison Basin: San Juan Mountains: Gunnison National Forest: La Garita Wilderness: W along Stewart Creek Trail from Forest Road 794 for ca 1 mi, ca 3.3-4.4 air mi ESE-E of Stewart Peak.
Open canyon. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Wetlands and Adjacent Areas: Gelatt Lake, ca 15 air mi SW of Laramie.
Dry, sandy uplands. Phenology: flowering.

U.S.A., Wyoming, Johnson County: Wetlands and Adjacent Areas: North Fork Crazy Woman Creek, ca 14 mi S of Buffalo.
Dry Sarcobatus/Artemisia scrub uplands. Phenology: flowering.

U.S.A., Wyoming, Johnson County: Wetlands and Adjacent Areas: Muddy Guard Reservoir #2, ca 9 air mi SSW of Buffalo.
Rocky sandy hillside with scattered Artemisia and Yucca. Phenology: flowering.

U.S.A., Wyoming, Johnson County: [location and coordinates withheld]
Dry Artemisia scrub uplands. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Near Fort Steele.
41.7767° N, 106.946° W; NAD 83, uncertainty 0.75 mi., Digital Map
Roadside ditches, dry areas. Phenology: flowering & fruiting.

U.S.A., New Mexico, Sandoval County: Santa Fe National Forest and Vicinity: Jemez Mountains: Ojito public lands off U.S. Hwy 550 (old NM Hwy 44) at Rio Salado, 5 air mi W of San Ysidro.
Shrublands with occasional juniper adjacent to broad, saline wash of river. Phenology: flowering.

U.S.A., Wyoming, Washakie County: 9 mi WSW of Neiber.
Rocky sandstone slope with Penstemon and Arenaria. Phenology: flowering.

U.S.A., Wyoming, Natrona County: 1 mi SSE of Badwater.
Barren clay slope with Atriplex and Haplopappus multicaulis. Phenology: fruiting.

U.S.A., Wyoming, Sweetwater County: Rock Springs Uplift: E-W trending ridge system ca 1 mi S of Bitter Creek and ca 1 3/4 mi E of the Green River, on N slope of Mount 7057.
West-facing slopes of loose gray clay-shale with surface of brownish-reddish sandstone with bluish slate fragments; community of Haplopappus armerioides, Phlox, Minuartia nuttallii, and Cymopterus terebinthinus in openings amid Artemisia tridentata- Phenology: flowering.

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.
Clay, semibarren sagebrush slopes. Phenology: flowering.
1. Hymenoxys richardsonii (Hook.) Cockerell var. richardsonii
Annotated by Ronald L. Hartman.

U.S.A., Colorado, Jackson County: North-central Colorado: North Park: Mansfield Draw, junction of County Road 6 and BLM Road 2504, ca 5 air mi W of Cowdrey.
Sagebrush slopes, semibarren areas, roadside. Phenology: flowering.

U.S.A., Colorado, Grand County: North-central Colorado: Middle Park: BLM Road 2757 and County Road 2, ca 7 air mi NE of Kremmling.
Light gravels and eroded slopes. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: low buttes and flats, ca 1 air mi N of Canyon Creek; ca 0.5 air mi W of Wyo Hwy 430; ca 42 air mi SSE of Rock Springs.
Rocky outcrop. Phenology: flowering & fruiting.

U.S.A., Colorado, Moffat County: East side of Green River, ca 0.25 mi SE of Gates of Lodore, 1.25 mi S of Lodore Ranger Station.
Red sandy soil of north exposure with Pinus and Juniperus. Phenology: flowering.
Annotated by B. E. Nelson in 2004.

U.S.A., Colorado, Rio Grande County: Rio Grande National Forest: Del Norte Ranger District; ca 1 km above the mouth of Pole Canyon.
Elev. 2743 m.
T38N R5E S9 SE1/4 of NE1/4
Sandy loam, 30% slope, north-northwest aspect; open, young stand of Pseudotsuga menziesii with an understory of Cercocarpus montanus. Phenology: flowering.
Annotated by B. E. Nelson in 2004.

U.S.A., Colorado, Park County: 2 mi N of Fairplay.
Rocky meadows surrounded by pine-spruce forest. Phenology: flowering.
with Marjorie W. Porter

U.S.A., Colorado, Moffat County: Cold Spring Mountain: near Wyoming and Utah borders.
Sagebrush, open hillsides. Phenology: flowering.
Annotated by C. L. Porter in 1968.

U.S.A., Colorado, Grand County: Troublesome.
Phenology: flowering.
Annotated by Kittie F. Parker in 1940.

U.S.A., Colorado, Grand County: Troublesome.

U.S.A., Colorado, Park County: Antero Reservoir: on east side back from shore.
4° N, W; uncertainty 1 mi.
Rocky outcrop. Phenology: flowering.
Annotated by B. E. Nelson in 2004.
with Doug Corkran

U.S.A., Colorado, No county County: Along U.S. Hwy 285.
Elev. 2870 m.
Annotated by Ronald L. Hartman in 2001.
Robert Merril King, 10937. 7/1/1999.

U.S.A., Colorado, Park County: Along U.S. Hwy 285.
Elev. 2870 m.
Annotated by Ronald L. Hartman in 2001.
Robert Merril King, 10938. 7/1/1999.
with Robert M. Garvey

U.S.A., Colorado, Park County: Along U.S. Hwy 285, ca 5 mi S of Fairplay.
Annotated by Ronald L. Hartman in 2001.
Robert Merril King, 10940. 7/1/1999.
with Robert M. Garvey

U.S.A., Colorado, Park County: Western slope of the Front Range: on the road to Horseshoe Mountain and Mount Sheridan at Fourmile Creek Campground, 5.5 mi due WSW of Fairplay and 10.5 mi due ESE of of Leadville.
Disturbed scrubby Populus tremuloides-Picea Engelmanii woods with Pinus aristata; soil a mixture of morainal dirt and gravel; open, very stony road-fill spillover terrace, with Koelaria gracilis, Potentilla hippiana, P. fruticosa, Delphinium occidentale Phenology: flowering.
with Barbara A. Cochrane

U.S.A., Colorado, Jackson County: South slope of Independence Mountain, ca 8 mi NW of Cowdrey.
Lower slopes. Phenology: flowering.
with Tim Hogan

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: foothill ridges S of Freezeout Mountains, ca 14 air mi NE of Hanna townsite.
Creek bottom through sandstone canyon. Phenology: flowering.

U.S.A., Wyoming, Carbon County: [location and coordinates withheld]
Slopes and bottoms of gullies in badlands. Phenology: flowering.
with Beth Ward

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Washakie Basin: West Flat Top Mountain, ca 30 air mi S of Wamsutter; ca 18 air mi NW of Baggs.
Semi-barren areas at the edge of the top of the butte. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Washakie Basin: along Delaney Rim, ca 6 air mi SE of Table Rock (butte), ca 42 air mi E of Rock Springs; ca 23.5 air mi WSW of Wamsutter.
Rocky, clay flats above the rim. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: confluence of Vermillion Creek with Alkali Creek, ca 47.5 air mi SE of Rock Springs.
Dry clay slopes above creek terraces. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Washakie Basin: Skull Creek Rim along the north-south oriented section, ca 1.5 air mi E of Shell Creek; ca 35 air mi WNW of Baggs.
Badlands draw. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Washakie Basin: Grindstone Wash drainage and base of Prehistoric Rim along its northeastern face, ca 25 air mi WNW of Baggs.
Clay/sandy soil. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Washakie Basin: along Shell Creek, ca 0.5 mi NNE of Cow Creek Reservoir; ca 39 air mi WNW of Baggs.
Clay/sandy soil in badlands and drainages. Phenology: flowering.

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

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Rock Springs Uplift: slope off southern end of Little Mountain, drainage to Red Creek, ca 4 air mi NW of Richards Gap; ca 34 air mi SSW of Rock Springs.
Drier slope, rocky areas. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: [location and coordinates withheld]
Draw from rim to flat. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Washakie Basin: Willow Creek Rim, ca 2 air mi SW of Church Butte; ca 31.5 air mi SSW of Wamsutter.
Rocky flat above rim. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Washakie Basin: draw ca 2 air mi S of Man and Boy Buttes; ca 17 air mi SSW of Wamsutter.
Rocky slopes adjacent to draw. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: head of draw descending from Pine Mountain to the NE, ca 8 air mi SSW of Potter Mountain; ca 38 air mi SSE of Rock Springs.
Sagebrush flat on mountain top. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: [location and coordinates withheld]
Rocky soil. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: [location and coordinates withheld]
Sandy soil, some rocks. Phenology: flowering.

U.S.A., Wyoming, Carbon County: South-central Wyoming: Washakie Basin: NW of Robbers Gulch Reservoir, ca 4 mi E of North Flat Top; ca 31 air mi SSE of Wamsutter.
Sagebrush islands, sparse grass between; sandy, red soil. Phenology: flowering.

U.S.A., Wyoming, Carbon County: South-central Wyoming: Washakie Basin: Tree Draw leading from Hangout Ridge W to Hangout Wash, ca 2-2.5 air mi from the confluence of Hangout Wash and Sand Creek; ca 12 air mi WNW of Baggs.
Rocky outcrop on ridge next to draw. Phenology: flowering.

U.S.A., Wyoming, Carbon County: South-central Wyoming: east end of Little Robber Gulch, ca 12 air mi NNW of Baggs.
Sandy slope with sagebrush. Phenology: flowering.
with Beth Ward

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: Green River Basin: flat to the N of The Glades, north-facing slopes of The Glades, and top of The Glades, ca 1 air mi W of Minnies Gap; ca 40.5 air mi SSW of Rock Springs.
Sagebrush flat N of The Glades. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: Rock Springs Uplift: rocky outcrops and draws draining to Black Butte Creek, ca 6 air mi E of Cooper Ridge; ca 18 air mi S of Point of Rocks.
Clay area. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: Rock Springs Uplift: north-facing slope of Rifes Rim, ca 1 air mi W of Wyo Hwy 430; ca 35.5 air mi SSE of Rock Springs.
Rocky, exposed flat on top of rim. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: gently sloping area from Rifes Rim to Vermillion Creek, ca 2 air mi S of Rifes Rim; ca 1.5 air mi E of Wyo Hwy 430; ca 42 air mi SSE of Rock Springs.
Clay outcrop. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: Rock Springs Uplift: lower elevation draws and slopes from Miller Mountain to the S, ca 2 air mi E of U.S. Hwy 191; ca 29.5 air mi SSE of Rock Springs.
Sandy slope. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: Rock Springs Uplift: draws and slopes draining to Gap Creek, ca 5 air mi E of Miller Mountain; ca 1 air mi W of Salt Wells Creek; ca 30 air mi SSE of Rock Springs.
Rocky area at top of draw. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: Rock Springs Uplift: drainage to Gap Creek and along Gap Creek, ca 2.5 air mi N of Red Creek badlands; ca 5 air mi S of Titsworth Gap; ca 31 air mi SSE of Rock Springs.
Sandy/rocky area. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: draws and slopes draining S to Red Creek, ca 0.5 air mi N of Red Creek; ca 5 air mi NW of Pine Mountain; ca 34.5 air mi SSE of Rock Springs.
Rocky slope near butte top. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: slopes draining to Red Creek, ca 1/4 air mi N of Utah, ca 2.5 air mi WNW of Three Corners; ca 3.5 air mi SW of Pine Mountain; ca 39.5 air mi SSE of Rock Springs.
Rocky slope with sagebrush. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: Upper Green River Basin: Cretaceous Mountain/Hogsback Ridge area: lower end of Wildcat Canyon, ca 3 air mi WSW of Clara Birds Nipple (Bird Nipple); ca 15.5 air mi SSW of Big Piney.
Red, gray, and brown badlands. Phenology: flowering.
with Russ Nelson

U.S.A., Wyoming, Big Horn County: Bighorn Basin: Fenton Pass and vicinity and Tatman Mountain, ca 12.5 air mi SW of Burlington, ca 26.5 air mi WSW of Basin.
Clay to sandy clay flats and slopes. Phenology: flowering.
with Erik Nelson

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.
Clay slopes below rough breaks. Phenology: flowering.

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

U.S.A., Wyoming, Sweetwater County: Washakie Basin: ca 11 air mi SSE of Tipton.
Clay, hardpan plain, sand dunes; hardpan.

U.S.A., Wyoming, Sweetwater County: Green River Basin: north side of Pine Mountain.
North side with Abies lasiocarpa/Pinus contorta forest, sagebrush on cobble surface on top of mountain, moist areas along upper edge of forest, rocky slope on south side; with sage. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Green River Basin: ridges and flats between Richards Gap and Tepee Mountain, and along Red Creek.
Sandy and shaley slopes above deep drainages, rocky bench above, greasewood flats along lower drainage and creek; rocky bench. Phenology: flowering.
with Ronald L. Hartman

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: along Squaw Teats Road, ca 11 air mi SE of Meeteetse.
Sandstone outcrops along ridge with limber pine, sagebrush grassland on top of ridge, draw; ridge crest. Phenology: flowering.
with Ronald L. Hartman

U.S.A., Wyoming, Uinta County: Green River Basin: Sage Creek Mountain; ca 12 air mi SE of Mountain View.
Sandy slopes with Utah juniper, clay slide slopes; sandy ridgetops with sagebrush; sandy slopes. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Rock Springs Uplift: Red Creek Badlands.
Open stands of Utah juniper on red sand ridges, sagebrush on sandy flats between ridges; ridges. Phenology: fruiting.

U.S.A., Wyoming, Johnson County: [location and coordinates withheld]
Sagebrush plains, draws, sandstone butte dominated by cercocarpus, and rocky, gravelly slopes; slopes and plains. Phenology: flowering.

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

U.S.A., Wyoming, Johnson County: Powder River Basin: ca 17 air mi SE of Buffalo.
Sandy plain, shallow draw, flats around holding pond; plains. Phenology: fruiting.

U.S.A., Wyoming, Johnson County: Powder River Basin: Powder River Breaks.
Clay slopes, bottoms of draws, sagebrush plains on level areas; plains.

Hilly, stony plains. Phenology: fruiting.

Stoney hills with Cercocarpus ledifolius, rolling plains below, occasional intermittent streams; hills. Phenology: fruiting.

Gravelly sandstone bench, sagebrush plains and flats, deeply cut gullies; bench. Phenology: flowering.

U.S.A., Wyoming, Hot Springs County: East end of Black Mountain, ca 25 air mi E of Thermopolis.
43.6365° N, 107.6962° W; NAD 83, uncertainty 2 mi., Nat. Geog. TOPO!
Sandstone outcrops and sandy slopes.
with Keith H. Dueholm

U.S.A., Wyoming, Park County: Bighorn Basin: north side of Squaw Teats Road, ca 2 air mi E of Wyo Hwy 120, ca 10 air mi SE of Meeteetse.
Sandstone outcrops on hills with limber pine. Phenology: flowering.
with Keith H. Dueholm

U.S.A., Wyoming, Park County: 2 road mi E on Squaw Teats Road from Wyo Hwy 120; ridge extending NW of this point.
Sandstone slopes and ridge with Pinus flexilis. Phenology: flowering.

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

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

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: Pine Ridge between the head of Cottonwood Creek and Gillam Draw, ca 61 air mi NW of Douglas, ca 10.5 air mi SW of Ross.
Slopes and draws in sagebrush-grassland or badland slopes with scattered ponderosa pine. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: 1 mi SSE of Badwater.
Barren clay slope with Atriplex and Haplopappus multicaulis.

U.S.A., Wyoming, Sublette County: Green River Basin: BLM Road 5410, ca 1.3 road mi SE of Wyo Hwy 351; ca 4 air mi WSW of junction of Wyo Hwy 351 and U.S. Hwy 191.
Badlands, clays and sand with sagebrush along wash. Phenology: flowering.
Annotated by Thomas Cramer.

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

U.S.A., Wyoming, Sublette County: Green River Basin: Red Hill, ca 7 air mi SSE of Big Piney.
Sand hills with scattered sagebrush and Atriplex. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: east end of Ross Ridge, ca 14.5 air mi SSW of Boulder.
Clay draw sides with Atriplex and scattered sagebrush. Phenology: flowering.
with Jane T. Kellett

U.S.A., Wyoming, Sublette County: Green River Basin: North Alkali Draw, ca 15 air mi E of Big Piney.
Eroded clay hillsides with Atriplex. Phenology: flowering.
with Ronald L. Hartman

U.S.A., Wyoming, Sublette County: Green River Basin: ca 14.5 air mi SW of Boulder.
Clay outwash from badlands outcrop with sparse shrubs. Phenology: flowering.
with Jane T. Kellett

U.S.A., Wyoming, Carbon County: Ca 11.5 air mi NNW of Baggs.
Sagebrush-grass habitat in sandy loam of moderately deep soil along edge of intermittent stream; with Artemisia tridentata, Agropyron dasystachum, Oryzopsis hymenoides, and Gilia aggregata. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Washakie Basin: Adobe Town Rim and vicinity, ca 36 air mi SW of Wamsutter.
Sandstone/shale breaks with Astragalus, Cryptantha, Artemisia, and Agropyron. Scattered. Phenology: flowering.
with Frank Blomquist

U.S.A., Wyoming, Sweetwater County: Washakie Basin: ca 6 mi NE of Cow Creek Ranch on north edge of Skull Creek Rim, ca 39 air mi SSW of Wamsutter; ca 34.5 air mi WNW of Baggs.
T14N R97W S23 South1/2 SW1/4
Scattered on saline/shale flats and slopes with Atriplex gardneri and Artemisia petadifida. Phenology: buds.
with Frank Blomquist

U.S.A., Wyoming, Carbon County: Ca 10 air mi NNW of Baggs; Little Robbers Reservoir.
In sandy soil of rolling sagebrush grassland with Leptodactylon pungens, Oryzopsis hymenoides, Stipa comata, Chrysothamnus viscidiflorus, and Cryptantha flava. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: East border Centennial Valley.
Saline clay-shales. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Allen Junction.

U.S.A., Wyoming, Sweetwater County: North Vermillion Creek.

U.S.A., Wyoming, Carbon County: Fort Steele.
Stony, clay slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Fort Steele.
Stony, clay slopes. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Near Platte River; Parco (Sinclair).
Sandy ridges. Phenology: flowering & fruiting.
with Ruth A. Nelson

U.S.A., Wyoming, Carbon County: Fort Steele.
Clay ravines. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Steamboat Lake.
Phenology: flowering & fruiting.
George E. Osterhout, 971. 7/28/1898.

U.S.A., Wyoming, Carbon County: Como Ridge.
Phenology: flowering & fruiting.
George E. Osterhout, s.n.. 6/29/1921.

U.S.A., Wyoming, Carbon County: Como Ridge.
George E. Osterhout, s.n.. 6/29/1921.

U.S.A., Wyoming, Carbon County: Between Parco and Fort Steele.
T21N R85W S19
Harold F. Eppson, s.n.. 5/10/1938.

T21N R85W S23
Along highway. Phenology: flowering.
Harold F. Eppson, s.n.. 6/17/1948.

Along highway. Phenology: flowering.
Harold F. Eppson, s.n.. 6/17/1948.

U.S.A., Wyoming, Albany County: Selenium Hill; 4 mi S of Centennial.

U.S.A., Wyoming, Albany County: Big Hollow: W of Laramie.
41.3259° N, 105.7121° W; NAD 83, uncertainty 3 mi., Digital Map
Dry slope. Phenology: flowering & fruiting.
with Mildred S. Reed

U.S.A., Wyoming, Sweetwater County: SE of Rock Springs.
White sandstone outcrop. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Cooper Lake.
Clayey draws. Phenology: flowering.
Leslie N. Goodding, 15. 6/17/1901.

U.S.A., Wyoming, Carbon County: U. S. Interstate Hwy 80: just W of Platte River crossing.
Beside highway; scattered in disturbed roadside soil. Phenology: flowering.

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

U.S.A., Wyoming, Albany County: Centennial.
Dry alkaline hillside. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Sheep Mountain.
On Morrison formation. Phenology: flowering.

U.S.A., New Mexico, Taos County: Between Amalia and Lake Castilla, along NM Hwy 196 and Forest Road 1950.
36.89359° N, 105.4265° W; NAD 83, uncertainty 9 mi., Nat. Geog. TOPO!
Mostly in dry meadows on rocky slopes; in dry meadows. Perennial herb, 30 cm; ray flowers yellow. Phenology: flowering & fruiting.
Annotated by Ronald L. Hartman.

U.S.A., Wyoming, Sublette County: 5 mi E of Big Piney, near the Green River.
42.5248° N, 110.0333° W; NAD 83, uncertainty 1 mi., Digital Map
Dry, chalky hills with low sagebrush. Locally common. Phenology: flowering.
with Marjorie W. Porter

U.S.A., Wyoming, Fremont County: On Atlantic City-Hudson Road just east of Beaver Creek.
West facing slopes. Phenology: flowering.

U.S.A., Wyoming, Uinta County: East side of Hickey Mountain, ca 5 mi N, 25 deg W of Lonetree.
Raw soil of eroding nearly barren, scatt juniper and desert shrubs. Phenology: flowering.
with N. Duane Atwood

U.S.A., Wyoming, Sublette County: Plains between Eden and Big Piney.
42.4513° N, 109.7731° W; NAD 83, uncertainty 13.5 mi., Digital Map
Dry roadside. Phenology: flowering.
with Lois B. Payson

U.S.A., Wyoming, Fremont County: Limestone Mountain.
42.5852° N, 108.708° W; NAD 83, uncertainty 0.5 mi., Nat. Geog. TOPO!
Rocky calcareous ridge along pines with Arabis and Phlox. Phenology: flowering.

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

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

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

U.S.A., Wyoming, Fremont County: Badlands W of Oil Mountain on the Oil Springs Road.
Badlands; clay soils. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Near the base of Beaver Rim.
Open sagebrush slopes along a dry wash. Phenology: flowering.

U.S.A., Wyoming, Hot Springs County: Big Horn Basin: ca 9 mi SE of Meeteetse and ca 2 mi E of Wyo Hwy 120 on BLM's Squaw Teats Road.
Sagebrush, juniper, pine zone. Phenology: flowering.

U.S.A., Wyoming, Uinta County: North Foothills Uinta Range: north slope of Hickey Mountain, 3/4 -1 mi N of radio tower on north summit.
Northwest-facing slopes of sandstone gravel on rim above shale-clay badlands; cushion plant community. Phenology: flowering.
with Charmaine Refsdal

U.S.A., Wyoming, Campbell County: 4 mi NE of Rozet.
Very hard, gritty soil in buffalo wallow. Phenology: flowering.

U.S.A., Wyoming, Uinta County: 8 air mi SE of Mountain View, Leavitt Creek.
Mat Atriplex and Arenaria hookeri. Phenology: flowering.
with N Duane Atwood

U.S.A., Wyoming, Uinta County: Northeast end of Hickey Mountain; ca 41.5 air mi ESE of Evanston; 4.5 air mi NW of Lonetree.
Coarse upland soil in a grassy area with Astragalus, Arenaria hookeri, Astragalus spathulatus and Agropyron.

U.S.A., Wyoming, Carbon County: Fort Steele exit of Interstate 80.
Roadside with Machaeranthera glabriuscula. Common. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Green River Basin: badlands along two-track to Buckhorn Well #5, ca 1.5 air mi S of Wyo Hwy 351; ca 4.3 air mi W of U.S. Hwy 187; ca 9.5 mi E of Ross Butte.
Gray clay-shale badlands and adjacent basins and washes in community of Atriplex gardneri-Chrysothamnus nauseosus-Poa secunda; vegetative cover 0-20% with little to no surface rock. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Southeast Wind River Range: north slope of Limestone Mountain; ca 0.6 mi E of Cherry Creek; ca 1.8 mi NE of radio tower complex.
T30N R99W S6 E1/2 of E1/2; also NW1/4 of NE1/4 of NE1/4 and SW1/4 of NE1/4 S7
Mountain meadow on north and west facing slopes on gravelly, limestone-sandstone soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Green River Basin: badlands ca 0.2 mi E of County Road 1 at mile post 9 and E of tributary wash of Buckboard Wash, ca 8 air mi W of Flaming Gorge Reservoir and 3 mi W of Black Mountain.
Rocky terrace within wash bottom and on lowermost bank; vegetation cover 20%; community of scattered Artemisia tridentata var. wyomingensis, Chrysothamnus viscidiflorus, and Poa secunda. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: just off Pass Creek or County Road 404, ca 4 air mi SE of Elk Mountain summit.
Sagebrush steppe. Phenology: flowering.

U.S.A., Montana, Fergus County: [location and coordinates withheld]
Meadow and hill slope in Pinus ponderosa; high dry soils; southeast aspect; 0-25% slope. Phenology: flowering.
1. Hymenoxys richardsonii (Hook.) Cockerell var. richardsonii .
with Matt Voigt

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

U.S.A., Montana, Valley County: On Little Beaver Road on ridge SW of Miller Coulee, ca 14.5 air mi SW of Glasgow.
Grassland with scattered sagebrush on clay slopes and ridge with gullies. Phenology: flowering.
with Joseph L. M. Charboneau

U.S.A., Montana, Valley County: On Bentonite Road near the junction with Ridge and Burnett Spur roads, ca 27.5 air mi WSW of Glasgow.
Ridge and slopes with large areas of crested wheatgrass and bentonite soil. Phenology: flowering.
with Joseph L. M. Charboneau

U.S.A., Montana, Valley County: BLM Recreation Area between Bentonite Road and Brazil Creek, ca 11 air mi WSW of Glasgow.
Sagebrush-grassland. Phenology: flowering.

U.S.A., Montana, Valley County: Ridge S of Theony Road just W of Opheim Hills, ca 10 air mi W of Opheim.
Stony slopes in grassland. Phenology: flowering.

U.S.A., Montana, Valley County: Off of Theony Road at Lighthouse Hill BM and vicinity above Chambers and First coulees, ca 19 air mi W of Opheim.
Grassland with silver sagebrush. Phenology: flowering.

U.S.A., Montana, Valley County: In the vicinity of Saskview Reservoir N to Saskatchewan, ca 18 air mi NW of Opheim.
Flats with areas of alkali. Phenology: flowering.

U.S.A., Montana, Phillips County: Edge of the breaks above Rotator Cup and Lark reservoirs, ca 54 air mi SW of Malta.
Rough breaks and adjacent sagebrush-grassland above. Phenology: flowering.

U.S.A., Montana, Valley County: On ridge between Lena Coulee and Cut Throat Coulee on the Timber Creek Trail, ca 41 air mi SW of Glasgow.
Clay and bentonite badlands with ponderosa pine. Phenology: flowering & fruiting.

U.S.A., Montana, Valley County: Ridge W of Snake Creek and N of Hinsdale North Road, ca 27 air mi N of Hinsdale; ca 46.5 air mi NNW of Glasgow.
Stony grassland with scattered silver sagebrush and a high ground cover of Selaginella. Phenology: flowering & fruiting.

U.S.A., Montana, Valley County: Above Hardpan Coulee on Bluff Creek Road, ca 3 air mi S of Saskatchewan, ca 40 air mi N of Hinsdale; ca 57 air mi NNW of Glasgow.
Stony grassland with scattered silver sagebrush and a high ground cover of Selaginella. Phenology: flowering.

U.S.A., Montana, Valley County: Along Bluff Creek Road between Hardpan Coulee and East Fork Crow Creek, ca 35 air mi N of Hinsdale; ca 52 air mi NNW of Glasgow.
Stony grassland with scattered silver sagebrush and a heavy ground cover of Selaginella. Phenology: flowering & fruiting.

U.S.A., Montana, Valley County: On ridge between Duck Creek and Upper Eighth Coulee along Road 329, ca 1.5 air mi NW of Graveyard Hill, ca 26.5 mi SW of Fort Peck.
Sandy flats and sandy roadside. Phenology: flowering.
Joseph L. M. Charboneau, 61. 6/15/2010.

U.S.A., Montana, Valley County: On Triple Crossing Road, ca 1 air mi N of Gutshot Reservoir, ca 20.5 air mi SW of Glasgow.
Clay flats, hillsides, and grasslands with sagebrush and greasewood. Phenology: flowering & fruiting.
Joseph L. M. Charboneau, 111. 6/15/2010.

U.S.A., Montana, Valley County: On Britsch Road, ca 3 air mi SSW of Ada Reservoir, ca 12 air mi NE of Hinsdale.
Gravelly roadside ditch in otherwise clay soil. Phenology: flowering.
Joseph L. M. Charboneau, 137. 6/21/2010.

U.S.A., Montana, Valley County: On Larb Creek Road, ca 3 air mi N of Dead Mans Hill, ca 18.5 air mi SSW of Hinsdale.
Grasslands with mostly loamy to sandy soil, occasional clay soil. Phenology: flowering & fruiting.

U.S.A., Montana, Valley County: Just off Larb Creek Road along Harb Road in Hadly Coulee, ca 3 air mi NNW of Spencer Point, ca 12 air mi SW of Hinsdale.
Hills with sagebrush-grasslands on loamy soil. Phenology: flowering & fruiting.

U.S.A., Montana, Valley County: On Kerr Road, ca 2 mi E of West Fork Porcupine Creek, ca 3.5 mi W of Baylor; ca 15 air mi SSW of Ophiem.
Grasslands with clay soil with much organic content. Phenology: flowering.

U.S.A., Montana, Valley County: Bitter Creek Wilderness Study Area: on Britsch Road at turnoff for unnamed trail, ca 3 air mi NW of Forsman Reservoir, ca 21.5 air mi NE of Hinsdale.
Grasslands with occasional sagebrush on clay soil. Phenology: flowering & fruiting.

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 & fruiting.

U.S.A., Montana, Phillips County: Off of Sunnyslope Road, ca 2 air mi N of Woody Island Coulee, ca 13 air mi ENE of Turner; ca 40 air mi NNW of Malta.
Rolling grasslands with occasional sagebrush on loamy to sandy soil. Phenology: flowering & fruiting.

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.
Sagebrush-grasslands on clay soil on hillsides with gullies. 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.
Dry hilltops. Phenology: flowering & fruiting.

U.S.A., Montana, Phillips County: On Border Road, in the vicinity of a natural gas pipeline compression station, ca 1/4 air mi W of Whitewater Reservoir, ca 6 air mi NNW of Whitewater; ca 28 air mi NNE of Malta.
Grasslands on loamy soil. Phenology: flowering & fruiting.

U.S.A., Montana, Phillips County: W of U.S. Hwy 191 on Fanny Hill, ca 2 air mi NNW of the confluence of Cottonwood Creek and the Milk River, ca 16 air mi NNE of Malta.
Steep hillsides on sandstone substrate. Phenology: flowering & fruiting.

U.S.A., Montana, Valley County: Larb Hills (North): W of South Bench Road, Tank Coulee and ridge above it, ca 4 air mi ENE of Ashford Spring, ca 2 air mi SSW of Hinsdale; 25 air mi NW of Glasgow.
Sagebrush-grasslands on loamy to sandy soil. Phenology: flowering & fruiting.

U.S.A., Montana, Sheridan County: Westby.

U.S.A., Montana: Midvale: Dry Hills.

U.S.A., Wyoming, Fremont County: Ca 21 mi SSE of Riverton.
Clay flat with Oonopsis and Platyschkuhria. Flowers yellow. Phenology: flowering & 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.
Cobblestone outwash slopes below selenite-bearing clay buttes. Phenology: flowering.

U.S.A., Montana, Phillips County: Upper Missouri River Breaks National Monument: along Bull Creek Road just W of the boundary, ca 3.5 air mi WNW of DY Junction, ca 54 air mi SW of Malta.
Sagebrush-grassland on dark clay soil. Phenology: flowering.

U.S.A., Montana, Valley County: Along Roosevelt Trail ca 0.5 mi E of Porcupine Creek and Fort Peck Indian Reservation, ca 5 air mi N of Nashua.
Rolling terrain below and slope of rim with meadows, bare areas, drainage channels, with clay soil, and cobblestone covered areas. Phenology: flowering.

U.S.A., Montana, Valley County: Along Shipp Road above Cherry Creek (S and E), ca 2.5 air mi W of Mont Hwy 24, ca 13 air mi N of Glasgow.
Rolling terrain below and slope of rim with meadows, bare areas, drainage channels, with clay soil, and cobblestone covered areas. Phenology: flowering.

U.S.A., Montana, Valley County: Larb Hills (North): along South Bench Road, E of Tank Coulee, ca 1-1.5 air mi S of Hinsdale.
Rough breaks. Phenology: flowering.

U.S.A., Montana, Valley County: Along Bentonite Road, ca 1.5 air mi W of Mahan and Hoyt Reservoir, ca 7 air mi W of Glasgow.
Plains grassland with draws. Phenology: flowering.

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

U.S.A., Montana, Valley County: Along Harper Ridge Road above and N of Carpenter Creek at the north boundary of Charles M. Russell National Wildlife Refuge, ca 40 air mi SW of Glasgow.
Clay or sandy clay slopes in rough breaks capped with sandstone. Phenology: flowering.

U.S.A., Montana, Phillips County: Along Stage Road (Mont Hwy 204) ca 1/2-3/4 mi N of Wild Horse Creek, ca 16 air mi S of Dodson; ca 23 air mi SW of Malta.
Badlands with gravel to cobblestone size rocks, with drainage channels, bentonite boils, grassy patches, and grassland on the flats above. Phenology: flowering.

U.S.A., Montana, Phillips County: Along 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.

U.S.A., Montana, Valley County: Ridge between Burnett Creek and Collins Creek E of Rock Creek Road, ca 19 air mi NNE of Hinsdale.
Rolling plains grassland with stony soil and swales. Phenology: flowering & 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.
Open, stony clay slopes. Phenology: flowering.

U.S.A., Montana, Valley County: At the end of the Montfort Road 2.5-3 air mi S of Vandalia; ca 10 air mi SE of Hinsdale.
Swale and adjacent slopes. Phenology: flowering.

U.S.A., Montana, Phillips County: 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.

U.S.A., Montana, Phillips County: At the corner of Grabofsky and North Sunnyslope roads, 1 mi S of Saskatchewan, ca 45 air mi NNW of Malta.
Rolling plains grassland with swales. Phenology: flowering.

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

U.S.A., Montana, Phillips County: E of Content Road, E of Sun Prairie Flats, ca 5 air mi WSW of Buckley Lake, ca 42 air mi E of Zortman; ca 33 air mi SSE of Malta.
Sagebrush-grasslands on stony clay soil. Phenology: flowering.

U.S.A., Montana, Phillips County: Miller Coulee and ridge to the N, ca 1 air mi N of Black Cow Reservoir, ca 44 air mi ENE of Zortman; ca 22 air mi SSE of Malta.
Big sagebrush-grasslands on stony clay soil. Phenology: flowering.

U.S.A., Montana, Phillips County: N of Mont Hwy 208, hills between Lush Coulee and Martins Coulee, ca 3 air mi SW of Austin Lake, ca 6.5 air mi SSW of Whitewater; ca 24.5 air mi NNE of Malta.
Stony clay hilltops. 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.
Hilltops on clay soil. Phenology: flowering.

U.S.A., Montana, Phillips County: E of Mont Hwy 208, ca 0.5 air mi N of Austin Lake, ca 2.5 air mi SSW of Whitewater; ca 28 air mi NNE of Malta.
Grasslands with spikemoss. Phenology: flowering.

U.S.A., Montana, Phillips County: Hills W of Camp Creek, N of Dry Fork Road, ca 2.5 air mi NNE of Big Sage Reservoir, ca 9 air mi SE of Zortman; ca 48 air mi SSW of Malta.
Big sagebrush-grasslands on clay soil. Phenology: flowering.

U.S.A., Montana, Phillips County: Button Butte Coulee, W of Rudolph Valley Road, ca 5 air mi WNW of Button Butte, ca 29 air mi NW of Zortman; ca 26 air mi SSW of Malta.
Grasslands with fringed sage and spikemoss. Phenology: flowering.

U.S.A., Montana, 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., Montana, Phillips County: Ridge W of Frenchman Creek, N of Frenchman Road, ca 1/4 air mi SW of Frenchman Reservoir, ca 22.5 air mi NNW of Hinsdale; ca 45 air mi NW of Glasgow.
Grasslands on loamy soil with cobbles on hilltops. Phenology: flowering.

U.S.A., Montana, Valley County: Charles M. Russell National Wildlife Refuge: Sixth Ridge, ca 9 air mi SSE of Pines Reservoir, ca 25 air mi SW of Fort Peck; ca 26.5 air mi S of Glasgow.
Ponderosa pine-juniper woodland with openings on clay soil. Phenology: flowering.
with Alice Sawyer

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

U.S.A., Montana, Phillips County: American Prairie Reserve: W of Reynolds Hill Road, ca 4.5 air mi W of Square Butte, ca 40.5 air mi ESE of Zortman; ca 42 air mi SSE of Malta.
Big sagebrush-grasslands on rolling hills of loamy soil. Phenology: flowering.
with Mark Majerus, Michael Dolan, Noorjahan Parwana, and Katie Butts

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

U.S.A., Montana, Phillips County: Charles M. Russell National Wildlife Refuge: unnamed butte S of Refuge Road 844, ca 1.5 air mi NW of Schuyler Butte, ca 45.5 air mi ESE of Zortman; ca 48.5 air mi SSE of Malta.
Silty sand hilltop. Phenology: flowering.

U.S.A., Montana, Valley County: Middle Fork Porcupine Creek, S of Baylor Road, ca 2 road mi E of Baylor, ca 14 air mi S of Opheim; ca 34 air mi NNE of Glasgow.
Grasslands on loamy soil. Phenology: flowering.

U.S.A., Montana, Phillips County: Ridge E of Spring Creek, W of CK Ridge Road, ca 2.5 air mi E of Blizzard Reservoir, ca 18 air mi SE of Zortman; ca 48 air mi SSW of Malta.
Sagebrush-grasslands on rolling hills of clay to loamy soil with swales and areas of stony silty hardpans. Phenology: flowering.

U.S.A., Montana, Valley County: Larb Hills (North): S of Beaver Creek, ca 4.5 air mi NNW of Ashford Spring, ca 6.5 air mi WNW of Hinsdale; ca 31.5 air mi NW of Glasgow.
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.

U.S.A., Montana, Phillips County: Larb Hills (North): E of Lower Harb Road, ca 1.5 air mi E of Beaver Creek, ca 15 air mi SW of Saco; ca 15.5 air mi ESE of Malta.
Rolling sagebrush-grasslands on loamy soil with slopes and swales. Phenology: flowering.

U.S.A., Montana, Valley County: Kaminsky Hill and area to the N, ca 3.5 air mi N of the West Fork Poplar River, ca 12.5 air mi NE of Opheim; ca 57 air mi NNE of Glasgow.
Grasslands with shrubby cinquefoil and moist depressions on loamy soil. Phenology: flowering.
with Josh Lamp

U.S.A., Montana, Valley County: Uhlan Coulee, ca 2.5 air mi W of Porcupine Creek, ca 23 air mi N of Fort Peck; ca 12 air mi NE of Glasgow.
Grasslands on hills with slopes and swales on loamy soil. Phenology: flowering & 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.
Sandy to loamy hillsides and hilltops. Phenology: flowering.

U.S.A., Montana, Valley County: Little Beaver Creek, S of Grub Detention Reservoir, ca 7.5 air mi W of Last Reservoir, ca 23 air mi WNW of Fort Peck; ca 17.5 air mi SW of Glasgow.
Big sagebrush steppe with greasewood and saltbush on silty and clay flats. Phenology: flowering & fruiting.

U.S.A., Montana, Valley County: Charles M. Russell National Wildlife Refuge: N of Refuge Road 108, ca 6.5 air mi ENE of Willow Flat Reservoir, ca 6 air mi WSW of Fort Peck; ca 15 air mi SSE of Glasgow.
Big sagebrush steppe on badlands clay hills with large patches of yellow sweetclover. Phenology: flowering & fruiting.

U.S.A., Montana, Valley County: Opheim Hills: Slaughter Coulee, ca 6.5 air mi NNE of Pikes Peak, ca 6.5 air mi WNW of Opheim; ca 48 air mi NNE of Glasgow.
Grasslands on loamy to sandy hills with occasional silver sagebrush and creeping juniper. Phenology: flowering.

U.S.A., Montana, Valley County: Bitter Creek Wilderness Study Area: ridge S of Cow Coulee, ca 7.5 air mi SSW of Last Chance Reservoir, ca 21 air mi WSW of Opheim; ca 41 air mi NNW of Glasgow.
Grassland with occasional silver sagebrush on loamy soil. Phenology: flowering & fruiting.

U.S.A., Montana, Phillips County: American Prairie Reserve: North Fork White Rock Coulee, ca 4.5 air mi ESE of Little Warm Reservoir, ca 24.5 air mi ENE of Zortman; ca 24 air mi SSW of Malta.
Grassland hills with big sagebrush on clay to loamy soil. Phenology: flowering.

U.S.A., Montana, Valley County: Charles M. Russell National Wildlife Refuge: Middle Eighth Ridge, ca 2.5 air mi ENE of Graveyard Hill, ca 24 air mi SW of Fort Peck; ca 30 air mi SSW of Glasgow.
Loamy hilltops. Phenology: flowering & 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: flowering & fruiting.

U.S.A., Montana, Phillips County: Charles M. Russell National Wildlife Refuge: Bell Ridge, E of CMR Auto Tour Route (Refuge Road 101), ca 2.5 air mi N of the Missouri River, ca 19 air mi S of Zortman; ca 60 air mi SW of Malta.
Open, dry, south-facing slope with big sagebrush and greasewood on clay to shale. Phenology: flowering & fruiting.

U.S.A., Wyoming, Uinta County: Basins and Mountains of Southwest Wyoming: ca 6.5 air mi NNW of Lonetree; ca 1.2 road mi SW of Wyo Hwy 414.
Scattered pinyon-juniper woodlands. Phenology: flowering & fruiting.
with Walter Fertig

U.S.A., Wyoming, Uinta County: North Slope Uinta Mountains: Hickey Mountain, ca 5.5 air mi NW of Lonetree.
Gravelly semi-barren sagebrush slopes with sporadic Douglas fir; north-facing steep slope. Phenology: flowering & fruiting.
with Walter Fertig

U.S.A., New Mexico, Colfax County: Eagle Nest Lake at rest stop at north-northeast corner of lake after switchback on U.S. Hwy 64, W of the dam, ca 1 air mi SE of Eagle Nest.
Receding shoreline (down 30-40 ft). Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Near Snow Creek.
Silty loam; on grassy flat plain in valley; slope 1-3 deg; aspect west; with Linum lewisii, Achnatherum hymenoides, Juniperus osteosperma, Astragulus drummondii, Agropyron eristatum; antelope habitat.
with Deanna Fouts, Ron Giles II, Austin Lever, Todd Gray

U.S.A., Utah, Uintah County: Southwestern Wyoming and Adjacent Utah: ca 17 air mi SE of Dutch John; 4.9 mi W of Colorado on both sides of Crouse Creek Road.
T1N R25E S21
Steep creek side, Acer. Phenology: flowering & fruiting.
with Duane Atwood and Lucy Jordan

U.S.A., Colorado, Gunnison County: [location and coordinates withheld]
Artemisia nova community with Festuca, Ericameria, Tetradymia, Oryzopsis. Common. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: ca 15 air mi NE of McKinnon; ca 3 road mi N of the junction of County Road 1 with BLM Road 4315 on west side of County Road 1.
41.2632° N, 109.7238° W; uncertainty .75 mi., Digital Map
Semi-barren dry desert slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Uinta County: Basins and Mountains of Southwest Wyoming: Cedar Mountain, ca 3 air mi NE of Lonetree; ca 3.3 road mi E of Cedar Mountain Road from Wyo Hwy 414, west flank of the mountain.
Badlands with gentle, white, sandy slopes. Phenology: flowering & fruiting.
with R. H. Lathrop

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

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: Flaming Gorge National Recreation Area: ca 6.1 air mi ENE of Manila.
Scattered junipers, sagebrush, rolling hills. Phenology: flowering & fruiting.
with S. Goodrich

U.S.A., Utah, Daggett County: Southwestern Wyoming and Adjacent Utah: Clay Basin: Pigeon Basin, ca 4.7 air mi NNE of Dutch John; 4 mi E on Browns Park Road from Wyo Hwy 191S on north side of road.
T3N R23E S17; Center of S17
White chalky bluffs, sandy soils. Phenology: flowering & fruiting.
with S. Goodrich

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: ca 19 air mi SW of Green River; 1.1 mi W on BLM Road 4315 (Burnt Fork Road).
41.2451° N, 109.781° W; uncertainty .75 mi., Digital Map
Rolling semi-barren badlands, sandy soils with chert. Phenology: flowering & fruiting.

U.S.A., Wyoming, Uinta County: Basins and Mountains of Southwest Wyoming: ca 8 air mi N of Lonetree; 2.5 mi S of Cedar Mountain Road on jeep trail.
Juniper woodland, steep slopes, sandy clays. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: lower southeast slopes of Cedar Mountain, ca 40 air mi S of Green River; ca 11 air mi NW of Manila, Utah; ca 1 mi N of Henrys Fork on west side of County Road 1.
Open steep slopes, southern aspect. Phenology: flowering & fruiting.
with B. E. Nelson

U.S.A., Wyoming, Uinta County: Basins and Mountains of Southwest Wyoming: Leavitt Creek, along the south end of Cottonwood Bench, ca 7 air mi ESE of Mountain View; ca 39.5 air mi E of Evanston.
Sand piles/mounds, highly erosive, sandy clay soils. Phenology: flowering & fruiting.
with B. E. Nelson

U.S.A., Utah, Daggett County: Southwestern Wyoming and Adjacent Utah: Clay Basin: Teepee Mountains, ca 11.5 air mi ENE of Dutch John.
Sandstone boulders and cliff face, sandy soils, south aspect, steep slopes. Phenology: flowering & fruiting.

U.S.A., Utah, Daggett County: [location and coordinates withheld]
Pinyon/juniper woodland, red clay soils, steep slopes. Phenology: flowering & fruiting.

U.S.A., Utah, Daggett County: [location and coordinates withheld]
Steep sagebrush mountain, red clay soils with lots of gravel. Phenology: flowering & fruiting.

U.S.A., Utah, Daggett County: Southwestern Wyoming and Adjacent Utah: Clay Basin: ca 7.5 air mi NE of Dutch John.
South aspect, spring, dark humus soils, gravelly sagebrush. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: ca 6.2 air mi N of McKinnon; ca 6.1 mi N on County Road 1 from Wyo Hwy 414.
Vegetated sand dunes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Uinta County: Basins and Mountains of Southwest Wyoming: lower east flank of Hickey Mountain, ca 3 air mi NNW of Lonetree.
Sagebrush flats with sandy soils. Phenology: flowering & fruiting.

U.S.A., Utah, Daggett County: North Slope Uinta Mountains: ca 5.5 air mi W of Manila; ca 0.2 mi west of Utah Hwy 44.
Sagebrush slopes with scattered junipers. Phenology: flowering & fruiting.

U.S.A., Wyoming, Uinta County: Basins and Mountains of Southwest Wyoming: lower southwestern flanks of Cedar Mountain, ca 3.8 air mi NE of Lonetree; 0.9 mi SE on two track from junction of Sage Creek Mountain/Cedar Mountain roads.
Dry washes, gray loose sands with Bentonite. Phenology: flowering & fruiting.

U.S.A., Colorado, Park County: East-central Colorado: Mosquito Range to Plains: South Park: Tomahawk State Wildlife Area: along the Middle Fork of the South Platte River and ridge to S, ca 2 air mi SE of Garo.
Dry, rocky slopes and ridgetop with sandy soil in open ponderosa pine and Douglas fir forest, with occasional spruce and bristlecone pine. Phenology: flowering.