Cryptantha flava (1997)
BORAGINACEAE
Cryptantha flava (A. Nelson) Payson
U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: along Twentymile or County Road 605 on Hogback Ridge, ca 10.5 air mi SW of Rawlins; ca 4 air mi N of Separation Peak.
Sandy areas back of rimrock. Phenology: flowering.
Annotations:
1. Cryptantha flava (A. Nelson) Payson
Annotated by Amy J. Roderick.
with Amy J. Roderick
Accession: RM (unaccessioned)

Cryptantha flava (1997)
BORAGINACEAE
Cryptantha flava (A. Nelson) Payson
U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: two track to Black Rock Draw, 1 mi from County Road 321; ca 6 air mi NW of northwest end of Pathfinder Reservoir.
Sandy areas and granite ridge. Phenology: flowering.
Annotations:
1. Cryptantha flava (A. Nelson) Payson
Annotated by Amy J. Roderick.
with Amy J. Roderick
Accession: RM (unaccessioned)

Cryptantha flava (1997)
BORAGINACEAE
Cryptantha flava (A. Nelson) Payson
U.S.A., Wyoming, Natrona County: [location and coordinates withheld]
Shale hills and sandy areas and badlands. Phenology: flowering & fruiting.
with Amy J. Roderick and Cherie Winner
Accession: RM (unaccessioned)

U.S.A., Wyoming, Washakie County: Big Horn Mountains: along east side of Wyo Hwy 436, ca 1.5 mi S of U.S. Hwy 16.
Elev. 5000 ft.
Juniper woodland with Senecio canus, Alyssum desertorum, Agropyron spicatum, and Koeleria macrantha. Phenology: flowering.
Accession: RM 618900, Barcode: RM0321503

U.S.A., Colorado, Archuleta County: Eastern San Juan Mountains: San Juan National Forest: Colo Hwy 151, 6 air mi NW of Forest Road 613.
Sandy at bottom then shale and sandstone outcrops with ponderosa pine forest and scattered Gambel oak and Fendlera understory above; ponderosa pine forest. Phenology: fruiting.
Annotations:
1. Cryptantha flava (A. Nelson) Payson
Annotated by Jeanette Flaig.
with Jeanette Flaig
Accession: RM 795396

U.S.A., Wyoming, Carbon County: Great Divide Basin Area: Great Divide Basin: ca 3.5 air mi W of Table Mountain, ca 9 air mi S of the Ferris Mountains; ca 23 air mi N of Rawlins.
Sandy rolling sagebrush-grassland. Phenology: flowering.
Annotated by Laura Welp.
with Laura Welp
Accession: (unaccessioned)

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Crooks Mountain: Cottonwood Creek and vicinity on the north side of the mountain, ca 10 air mi SW of Jeffrey City; ca 48 air mi SE of Lander.
Stream bank, old beaver ponds, and aspen woods along the stream. Phenology: flowering.
Annotated by Laura Welp.
with Laura Welp
Accession: (unaccessioned)

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Sweetwater River Drainage: ca 3 air mi N of the base of Crooks Mountain on Happy Springs or County Road 395, ca 7.5 air mi WSW of Jeffrey City; ca 47 air mi SE of Lander.
Sparsely vegetated sandy rolling plains with scattered grasses and cushion plants. Phenology: flowering & fruiting.
Annotated by Laura Welp.
with Laura Welp
Accession: (unaccessioned)

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: Chain Lakes Rim along Riner Cutoff or BLM Road 3203, ca 2 air mi S of Chain Lakes, ca 19.5 air mi NNE of Wamsutter.
Rolling sandy to sandy-clay slopes with Artemisia, Opuntia, and Grayia. 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.
Elev. 6720 ft.
Sandy areas between knolls and sagebrush. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Great Divide Basin Area: Great Divide Basin: base and slopes of sandstone rim by Separation Creek, ca 16.5 air mi SW of Rawlins; ca 14 air mi SE of Creston Junction.
West-facing slope on west side of rim; fairly dense 2-3' sagebrush dominant; dry, rocky soil. Phenology: flowering & fruiting.

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, north-facing slopes with sandstone outcrops; sagebrush and grasses dominant; dry, silty soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: slope and base of South Table Mountain, ca 3 air mi SSW of Steamboat Mountain; ca 8 air mi NW of Spring Butte.
Base and lower slope of volcanic neck; sagebrush dominant; dry, sandy soil. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: wide valley E of Horseshoe Bend, ca 6 air mi SW of Lost Creek Butte; ca 16 air mi N of Red Desert.
Top and north-facing slope of wide valley; graminoids and <1' sagebrush dominant; dry, red, sandy soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: sand dune, ca 6 air mi NW of Chalk Butte; ca 15.5 air mi ENE of Black Rock.
Partially vegetated sand dune with Oryzopsis and Stipa comata dominant, scattered rabbitbrush. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: [location and coordinates withheld]
Eroded slopes and flats below with drainage. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: [location and coordinates withheld]
Elev. 6700 ft.
Stabilized sand dunes and adjacent pond. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: Delany Rim, ca 5 air mi S of Tipton.
Sandy sagebrush areas below, eroded rim, and cushion community above; also areas of slumping with standing water. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Great Divide Basin Area: Great Divide Basin: top of Red Rim, ca 8 air mi SW of Hadsell; ca 13.5 air mi E of Creston Junction.
Sandstone outcrops on ridgetop; sandy 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, Sweetwater County: Great Divide Basin Area: Great Divide Basin: ridge near Windy Hill, ca 8.5 air mi NE of Creston Junction; ca 19 air mi W of Rawlins.
Sparsely vegetated west facing slope with grasses and Arenaria; fine soil with scattered boulders. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: ridge in Red Desert Basin, ca 16 air mi NW of Red Desert; ca 9.5 air mi SE of Chalk Butte.
Sparsely vegetated south facing slope with Oryzopsis, Stipa, and scattered sagebrush and rabbitbrush; fine sandy soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Great Divide Basin: rimtop ca 3 air mi NNE of Continental Peak; ca 11 air mi WSW of St. Marys Peak.
Partially vegetated west facing slope of wide draw on rim with rocky sandstone soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Great Divide Basin: ca 8 air mi ENE of Continental Peak; ca 7 air mi SW of St. Marys Peak.
Bottom of draw on rim with dense sagebrush; fine sandy soil. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Carbon County: [location and coordinates withheld]
Partially vegetated west facing slope of sand dune with grasses and scattered saltbush and rabbitbrush; sandy soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Great Divide Basin Area: Great Divide Basin: sand dunes near Table Mountain ca 6 air mi SE of Ferris; ca 3 air mi N of Windy Ridge.
Partially vegetated sand dunes with sagebrush and grasses. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: Great Divide Basin Area: Great Divide Basin: Boggy Meadows, ca 4 air mi E of Separation Point; ca 6 air mi W of Rendle Spring.
Partially vegetated sand dune. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: Larson Knoll, ca 23 air mi NW of Rawlins; ca 15 air mi N of Creston Junction.
Top and north facing slope of knoll; sparsely vegetated, with sandy soil and sandstone outcrops. Phenology: flowering.

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

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

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

U.S.A., Arizona, Apache County: N of the Petrified Forest: Near the Rio Puerco.
T18N R24E S9
Phenology: flowering & fruiting.
Annotated by Robert C. Sivinski in 1986.
with Ruth A. Nelson
Accession: RM 172398

U.S.A., Wyoming, Sweetwater County: Rock Springs Uplift: Zerkel Mesa, ca 2 air mi NE of Superior.
Plains above and steep escarpment below Zerkel Mesa with sandstone outcrops, sagebrush - limber pine. Phenology: flowering.
with Keith H. Dueholm
Accession: 595212, Barcode: RM0322483

U.S.A., Wyoming, Fremont County: Upper North Platte and Laramie River Drainages: Cranner Rock N of U.S. Hwy 287, ca 9.3 air mi NW of Three Forks Junction; ca 16.8 air mi ESE of Jeffrey City.
Sandy area dominated by sagebrush at the base of granite rocks. Phenology: flowering & fruiting.

U.S.A., Arizona, Coconino County: Kaibab National Forest: Fishtail Mesa.
T35N R3W S12
Sandy loam; in pinyon-juniper with Pinus edulis, Juniperus osteosperma and Artemisia tridentata. Phenology: flowering.
Annotated by Jane W. Roller.
Accession: RM 435837

U.S.A., Arizona, Navajo County: Hopi Indian Reservation: Red Lake region: Oraibi.
T29N R16E S33
Sandy ridges. Phenology: flowering.
Annotated by Robert C. Sivinski in 1984.

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: ca 13.5 air mi WSW of Gunnison.
Sagebrush slope and along top of mesa; Juniperus and Quercus. Phenology: flowering.

U.S.A., Arizona, Apache County: National Petrified Forest.
T19N R24E S10
Apache/Navajo counties. Phenology: flowering & fruiting.
Annotated by C. L. Porter in 1951.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Pathfinder Reservoir: Tye Draw leading into reservoir, ca 8 air mi N of Seminoe Dam; ca 38 air mi NE of Sinclair.
Sandy embankment of draw leading into reservoir. Phenology: flowering & fruiting.

U.S.A., Utah, Grand County: San Miguel and Lower Dolores River Drainages: Dolores River Drainage: Dewey: confluence of Dolores and Colorado Rivers.
Roadside on red sandy soils and slickrock. Phenology: flowering & fruiting.

U.S.A., Utah, Grand County: San Miguel and Lower Dolores River Drainages: Dolores River Drainage: Dewey: confluence of Dolores and Colorado Rivers.
Slickrock. Phenology: flowering.

U.S.A., Colorado, Mesa County: San Miguel and Lower Dolores River Drainages: John Brown Creek at mouth of John Brown Canyon.
With Juniperus. Phenology: flowering & fruiting.

U.S.A., Colorado, Mesa County: San Miguel and Lower Dolores River Drainages: benches above Dolores River.
Benches above river with Sarcobatus, Atriplex, and Coleogyne. Phenology: flowering & fruiting.

U.S.A., Colorado, Mesa County: San Miguel and Lower Dolores River Drainages: Dolores River Drainage: bench NE of the Dolores River.
With Coleogyne and Lepidium. Phenology: flowering.

U.S.A., Colorado, Mesa County: San Miguel and Lower Dolores River Drainages: ca 5 air mi NE of Gateway.
Dry wash and adjacent hillsides: on barren, granitic gravel on east side and red, sandy soils on west side; with pinyon and juniper. Phenology: flowering & fruiting.

U.S.A., Colorado, Mesa County: San Miguel and Lower Dolores River Drainages: ca 0.2 mi NW of Gateway Community Center.
Sandy soils with Atriplex, Sarcobatus, Abronia and Opuntia. Phenology: flowering & fruiting.

U.S.A., Colorado, Montezuma County: Upper Dolores River Drainage and Adjacent Areas: McElmo Canyon area, 13.5 air mi W Cortez; ca 13 road mi W of U.S. Hwy 160 to trail head of East Fork and Sand Canyon.
Elev. 1700 m.
Pinyon, juniper, saltbrush, Artemisia, Cercocarpus, Amelanchier, antelope brush, and rabbitbrush on cryptogamic soil. Phenology: flowering.
with Marie Rambo
Accession: 706974

U.S.A., Colorado, Montezuma County: Upper Dolores River Drainage and Adjacent Areas: ca 13 air mi W of Cortez, County Road N, north end of Sand Canyon.
Pinyon-juniper, Amelanchier, Purshia, and Cercocarpus on cryptogrammic soil and rimrock pavement; anasazi ruins present; east facing slopes. Phenology: flowering & fruiting.

U.S.A., Colorado, Montezuma County: Upper Dolores River Drainage and Adjacent Areas: ca 14 air mi NW of Cortez in Sandstone Canyon, County Road W.
Pinyon-juniper woodland, Purshia, Artemesia, and rabbitbrush on west-face of canyon and riparian area along creek. Phenology: flowering & fruiting.
Accession: 712924

U.S.A., Colorado, Montezuma County: Upper Dolores River Drainage and Adjacent Areas: McElmo Canyon Area, ca 18.5 air mi W of Cortez, ca 4.5 air mi E of Ismay Trading Post, unmarked road N of County Road G, in Risley Canyon.
Pinyon-juniper, Purshia, rabbitbrush, and Atriplex, strong selenium odor; west facing slopes. Phenology: flowering & fruiting.
Accession: 712925

U.S.A., Colorado, Montezuma County: Upper Dolores River Drainage and Adjacent Areas: McElmo Canyon Area, ca 20 air mi W of Cortez, ca 4.5 air mi E of Ismay Trading Post, unmarked road N of County Road G, in Risley Canyon.
Pinyon-juniper, Atriplex, Amelanchier, and Purshia on shale soil with selenium odor; southwest facing. Phenology: flowering & fruiting.

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

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

U.S.A., Colorado, Montrose County: Upper Dolores River Drainage and Adjacent Areas: Upper Little Gypsum Valley, County Road 115 and County Road GG6, ca 22 air mi WSW of Naturita.
Pinyon-juniper, Cercocarpus, Purshia, and Stipa on west-facing slope with cryptogrammic soil. Phenology: flowering & fruiting.

U.S.A., Colorado, Montrose County: Upper Dolores River Drainage and Adjacent Areas: Slick Rock Canyon, Dolores River, ca 18 air mi W of Naturita at mouth and surrounding area of Leach Creek.
Pinyon-juniper, Salix, and Fraxinus on a southwest facing wash. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Wetlands and Adjacent Areas: Jackson Lake, ca 57 air mi SE of Casper, 8 air mi NE of Muddy Gap.
Dry sandy, rocky uplands and slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Granite Mountains: Martins Cove, N of Wyo Hwy 220, ca 13 air mi NE of Muddy Gap Junction.
East facing slope of sand dune with patches of yucca, rabbitbrush, and sagebrush. Phenology: flowering.

U.S.A., Wyoming, Carbon County: South flank of the Seminoe Mountains.
42.15° N, 106.9055° W; NAD 83, uncertainty 4 mi., Digital Map
In sand dunes. Phenology: flowering & fruiting.
Accession: RM 199083, Barcode: RM0322473

U.S.A., Wyoming, Carbon County: 14 mi N of Rawlins.
41.9622° N, 107.3499° W; NAD 83, uncertainty 1 mi., Digital Map
Sandy shale soil. Phenology: flowering & fruiting.
Accession: RM 210843, Barcode: RM0322476

U.S.A., Wyoming, Sweetwater County: 40 mi S of Rock Springs on road to Hiawatha.
41.1763° N, 108.8318° W; NAD 83, uncertainty 1 mi., Digital Map
Sandy soil, in the desert. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Near Devils Gate, on the Oregon Trail.
42.4418° N, 107.2187° W; NAD 83, uncertainty 1.5 mi., Digital Map
Sandy soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: 20 mi N of Baggs.
Occasional in sandy areas, sagebrush slopes. *( ) field book *SW Carbon County* Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Ca 30 mi N of Point of Rocks, near Steamboat Mountain.
Common in sand dune area. Phenology: flowering & fruiting.
with Marjorie W. Porter

U.S.A., New Mexico, Rio Arriba County: Santa Fe National Forest and Vicinity: Jemez Mountains: 1.5 air mi SSW of Chili towards Henry Spring; from road junction to S 0.3 air mi in a loop parallel to road.
15 deg, southeast-facing slope in pinyon/juniper woodland. Sedimentary. Phenology: flowering & fruiting.

U.S.A., New Mexico, Sandoval County: Santa Fe National Forest and Vicinity: Jemez Mountains: southern edge of Peggy Mesa above Osha Canyon, 2 air mi W of Gilman. S 0.2 air mi to canyon rim.
Mesa with scattered ponderosa pine and thick Gambels oak. Canyon rim with exposed sandstone bedrock. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Along U.S. Hwy 287-Wyo Hwy 289, ca 10 mi NE of Muddy Gap.
T29N R90W S26
Growing with Leptodactylon, Astragalus, and Oenothera. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Alcova Reservoir.
42.5294° N, 106.7555° W; NAD 83, uncertainty 2 mi., Nat. Geog. TOPO!
Sandy bank with Townsendia, Yucca. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Ashley National Forest: Flaming Gorge National Recreation Area: ca 1 mi N of Utah.
Eroding hills. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Platte River Valley: Alcova Reservoir, Cottonwood Creek Campground, ca 2 air mi SW of Alcova.
Open, sandy-gravelly soil at base of sandstone outcrop on slopes E of reservoir. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Southern Foothills Rattlesnake Range: east slope of Rocky Peak, adjacent to County Road ca 6.5 air mi NW of Wyo Hwy 220.
Bare outcrops of sandy siltstone with scattered Wyoming big sagebrush, Arenaria, and Cryptantha. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin: slopes on southeast side of Twelvemile Gulch, W of County Road, ca 12 1/4 air mi N of I-80.
Stabilized sand dune encroaching on red sandstone outcrops; with Oryzopsis hymenoides, Cryptantha caespitosa, Artemisia peditifida. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Washakie Basin: east-west trending ridge at northeast end of Cherokee Basin, ca 2.2 air mi N of Colorado, ca 3 air mi NW of Little Snake River.
T12N R94W S10 NW1/4 of NW1/4 of NE1/4; N1/4 of NW1/4 and
Sparsely-vegetated south-facing slope of highly erosive whitish sandstone with some clay; Purshia tridentata-Elymus spicatus community in openings of Juniperus osteosperma. Phenology: fruiting.
with Jane Struttmann

U.S.A., Wyoming, Carbon County: North Platte River Valley: west rim of Sheep Rock, 0.5-1.5 mi S of the Pick Bridge Road, 3/4-1 1/4 mi N of the North Platte River; ca 4 air mi N of Saratoga.
Ashy clay barrens on steep midslopes in openings among Cercocarpus montanus thickets; soil with white limey sandstone gravel; vegetative cover 5-15% with scattered Elymus spicatus, Arenaria hookeri, Cryptantha sericea, Penstemon laricifolius, and P. eriantherus. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Great Divide Basin: north end of "The Sand Hills", ca 2.5 mi SW of Muddy Creek; ca 1 mi SE of "The Willows"; 12 air mi NE of Wyo Hwy 789 at Dad.
Series of mostly southwest-facing sand dunes and blowouts of clay-rich sand amid matrix of stabilized sandy slopes dominated by Artemisia tridentata, with pockets of Prunus virginiana, Amelanchier alnifolia, and Purshia tridentata; dunes dominated by sparse cover of Elymus lanceolatus, Oryzopsis hymenoides, Lupinus argenteus, and occasional Chrysothamnsu nauseosus. Phenology: flowering & fruiting.

U.S.A., Colorado, Moffat County: North-central Colorado: Cedar Mountain, ca 6 air mi NW of Craig.
Volcanic rocks exposed sporadically on southwest slope to summit; Utah juniper, serviceberry, antelope bitterbrush, etc. with scattered sagebrush. Phenology: flowering.

U.S.A., Colorado, Montrose County: San Miguel and lower Dolores River Drainages: Sinbad Valley, south end.
T49N R19W S22; also S27
Pinyon-juniper with sandy-clay slopes and also gypsum slopes. Phenology: flowering & fruiting.
with Timothy K. Lowrey and Robert Sivinski

U.S.A., Colorado, Mesa County: NE of Dolores Point; W of Dolores River; 1 mi E of Utah State Line.
13° N, W; uncertainty 1 mi.
Scattered with Sabina osteosperma, Atriplex canescens and Seriphidium tridentatum. Phenology: flowering.

U.S.A., Colorado, Montezuma County: Ca 3.5 mi Sse of Chimney Rock; W end of Tanner Mesa.
Scattered on sandy soil of dunes with Pinus, Juniperus and Gilia congesta in Point Lookout sandstone. Phenology: flowering.

U.S.A., Colorado, Moffat County: Dinosaur National Monument: ca 1/4 mi E of Lodore Ranger Station; E of Gates of Lodore.
Uncommon on sandy soil of moderately steep west slope with Juniperus, Stipa, Ariztida and Sitanion on Browns Park formation. Phenology: flowering & fruiting.

U.S.A., Colorado, Moffat County: Yampa Canyon through Little Juniper Mountain; ca 30 mi W of Craig.
Common in sand hills. Phenology: flowering & fruiting.
Annotated by Robert C. Sivinski.

U.S.A., Colorado, Moffat County: Dinosaur National Monument: Castle Park: Yampa River.
Sandy soil along river. Phenology: flowering.
Annotated by Robert C. Sivinski.

U.S.A., Colorado, Moffat County: Ca 10 mi W of Maybell.
Sand hills. Phenology: flowering & fruiting.
Annotated by Robert C. Sivinski.
with R. C. Rollins

U.S.A., New Mexico, San Juan County: Aztec.
Phenology: flowering.

U.S.A., New Mexico, Sandoval County: 10 mi W of San Ysidro on Long Ridge Allotment.
Phenology: flowering & fruiting.
Annotated by Charles Feddema.

U.S.A., New Mexico, Rio Arriba County: 1.2 mi S of Colo/NM state line.
Sandy soil in pinyon/juniper sagebrush community. Phenology: flowering.

U.S.A., Colorado, Mesa County: 0.3 mi E of Utah border; ca 1.7 mi N of Colorado River.
Juniper/Hedysarum community in red to grey silt-like sand on Summerville formation. Phenology: flowering & fruiting.
with R. Abbott

U.S.A., Colorado, Dolores County: Dolores River: near Mesa Creek.
Dry hillsides. Phenology: flowering.

U.S.A., Colorado, Mesa County: Grand Junction.
Phenology: flowering & fruiting.

U.S.A., Colorado, Mesa County: Hills S of Grand Junction.
Hills. Phenology: flowering.

U.S.A., Colorado, Mesa County: Grand Junction, Monument Park.
George E. Osterhout, 6143. 6/3/1921.

U.S.A., Colorado, Moffat County: West of Craig.

U.S.A., Colorado, Montezuma County: 8-10 mi W of Craig.
Phenology: flowering.

U.S.A., Colorado, Moffat County: W of Craig.

U.S.A., Colorado, Mesa County: Grand Junction: S.
Hills. Phenology: flowering & fruiting.

U.S.A., Colorado, Mesa County: 1.5 mi W of Grand Junction.
Dry hills among juniper trees. Phenology: flowering.
J. Francis Macbride, 705. 6/19/1915.
with Edwin B. Payson

U.S.A., Colorado, Moffat County: Jct. Hwy 318 and Sand Wash Road (Co. 67).
Sandy, silt-like, somewhat barren slope with Cryptantha sericea, and Wyethia. Phenology: flowering.

U.S.A., Colorado, Montezuma County: Main Tanner Canyon: below top of Tanner Mesa.
Elev. 1658 m.
Common on east-facing ledges. Phenology: flowering.
with J. Anderson

U.S.A., Colorado, Moffat County: Dinosaur National Mounument: W of Deerlodge Park.
T6N R99W S28 SW1/4 of NE1/4 of NW1/4
Hills on an outcrop of light gray sandstone with interstices filled by sand with Juniperus, Cercocarpus intricatus and Orzyopsis in Morrison formation. SW1/4 NE1/4 NW1/4 S28. Phenology: flowering.

U.S.A., Colorado, Moffat County: Dinosaur National Monument: between Bull and Blind Canyons.
T6N R102W S14 NE1/4 of SE1/4 of SW1/4
Sandy loam with Pinus, Juniperus and Oryzopsis on Weber formation. Phenology: flowering.

U.S.A., Colorado, Mesa County: Colorado National Monument: mouth of Ute Canyon.
Clay knolls on sandstone ledges. Phenology: flowering & fruiting.
with R. C. Witmann & Rector.

U.S.A., Colorado, Mesa County: Colorado National Monument: just N of Coke Ovens.
Rim of canyon. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: S of Dry Creek or County Road 321, ca 7.4 air mi NW of junction with Wyo Hwy 220.
Granite outcrops with scattered Juniperus scopulorum and Pinus flexilis. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: N of Dry Creek or County Road 321, ca 7.4 air mi NW of junction with Wyo Hwy 220.
Calcareous bluff dominated by cushion plants. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: [location and coordinates withheld]
Among sagebrush on low "sand dunes" below badlands. Phenology: flowering.
with Beth Ward

U.S.A., Wyoming, Carbon County: South-central Wyoming: The Sand Hills, ca 29.5 air mi SW of Rawlins; ca 25.5 air mi N of Baggs.
T17N R90W S29
Stabilized sand dunes with silver sagebrush, bitterbrush, and rabbitbrush. Phenology: flowering.
with Beth Ward

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Washakie Basin: south end of Delaney Rim just N of North Barrel Springs Draw, ca 6 air mi E of Man and Boy Buttes; ca 13 air mi SSW of Wamsutter.
Sandy soil on a slight rise with sagebrush and hopsage at the center. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: [location and coordinates withheld]
Sagebrush flats back of a low rim. Phenology: flowering.

U.S.A., Wyoming, Carbon County: South-central Wyoming: Sierra Madre: along the Continental Divide above McCarty Canyon off McCarty Canyon or County Road 503, ca 27 air mi S of Rawlins; ca 29 air mi NE of Baggs.
Mountain shrub community on steep, stony slopes. Phenology: flowering & fruiting.
with Beth Ward

U.S.A., Wyoming, Carbon County: South-central Wyoming: west end of Mexican Flats N of South Barrel Springs Draw, ca 44 air mi SW of Rawlins; ca 21 air mi NNW of Baggs.
Low sand dunes interspersed with red and gray badlands and clay flats. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Washakie Basin: along the Continental Divide on Delaney Rim, ca 4.5 air mi S of Tipton, ca 47.5 air mi E of Rock Springs; ca 16.5 air mi WSW of Wamsutter.
Low sand dunes on the flats. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Wamsutter Arch: Continental Divide and S including draws to Deadman Wash, ca 2.5 air mi SE of Spring Hill and ca 3 air mi SW of Black Rock; ca 10 air mi NNW of Point of Rocks.
Sandy blowout. Phenology: flowering.

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

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Rock Springs Uplift: spring and creek S of and adjacent to sand dunes located ca 1-2 air mi SW of Steamboat Rim, ca 25.5 air mi NNE of Rock Springs.
T23N R103W S22 N1/2; also South1/4 S15
Sandy soil. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Rock Springs Uplift: southerly drainages on highlands between Crooked Canyon and North Baxter Basin, ca 2 air mi ESE from Twin Rocks; ca 15.5 air mi NNE of Rock Springs.
Sandy soil. Phenology: flowering & fruiting.

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

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

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Washakie Basin: north end of butte, ca 2 air mi W of North Fork Powder Wash and adjacent flat to the E of the butte, ca 33 air mi W of Baggs.
T12N R97W S10 South1/2; also NW1/4 S15 and SW1/4 S11
Sandy soil. Phenology: flowering & fruiting.

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.
Sand dune. 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.
Sand dune. Phenology: flowering & fruiting.

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.
Sandy soil in badlands and drainages. Phenology: flowering.

U.S.A., Wyoming, Carbon County: South-central Wyoming: Washakie Basin: rim edge on south edge of Mexican Flats, ca 1-1.5 air mi W of Wyo Hwy 789, ca 42 air mi SSE of Rawlins.
T15N R92W S9 N1/2; also South1/4 S4
Top of rim, scattered bare ground. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Washakie Basin: butte N of Red Wash, ca 1 mi N of confluence with Bitter Creek, ca 1.5 mi E of County Road 19; ca 37 air mi ESE of Rock Springs; ca 28.5 air mi WSW of Wamsutter.
South-facing rocky, sandy slope. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Rock Springs Uplift: northern slopes and top at north end of Essex Mountain, ca 32 air mi NNE of Rock Springs.
T24N R103W S8 SW1/4; also SE1/4 S7 and NE1/4 S18

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Rock Springs Uplift: northern slopes and top at north end of Essex Mountain, ca 32 air mi NNE of Rock Springs.
T24N R103W S8 SW1/4; also SE1/4 S7 and NE1/4 S18
Sandy draw. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Rock Springs Uplift: top of Steamboat Rim and west towards Essex Mountain, ca 2.5 air mi E of Essex Mountain; ca 31.5 air mi NNE of Rock Springs.
T24N R103W S15 South1/2; also NE1/4 S22
Sand dunes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: South-central Wyoming: sand hills on Dry Cow Creek drainage, ca 5 air mi SW of Doty Mountain; ca 29 air mi SSW of Rawlins.
T17N R90W S20 South1/4; also N1/2 S29
Sand dunes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: South-central Wyoming: sand hills directly W of Bear Gulch, ca 5 air mi SW of Doty Mountain; ca 29.5 air mi SSW of Rawlins.
Sand dunes. Phenology: flowering & fruiting.

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

Sandy soil. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Washakie Basin: in The Horseshoe Bend, ca 2 air mi S of The Haystacks; ca 21.5 air mi SSW of Wamsutter.
T16N R96W S2 SW1/4; also SE1/4 S3
Sand dune. Phenology: fruiting.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Rock Springs Uplift: north facing drainages into Scheggs Draw, ca 1 air mi W of Rifes Rim; ca 33 air mi SE of Rock Springs.
T15N R101W S35 SW1/4; also SE1/4 S34 and T14N R101W NE1/4 S3 and NW1/4 S2

Sand dune. Phenology: flowering.

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

Sandy soil, some rocks. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Washakie Basin: Adobe Town Rim, ca 2-3 air mi E of Shell Creek, ca 35.5 air mi SSW of Wamsutter; ca 47.5 air mi ESE of Rock Springs.
T15N R98W S24 SE1/4; also NE1/4 S25 and T15N R97W SW1/4 S19 and NW1/4 S30
Badlands shelf-soil. Phenology: flowering & fruiting.

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.
Sand dune. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: South-central Wyoming: ca 2-2.5 air mi E of Savery.
T12N R89W S9 South1/2
Sagebrush-juniper slopes, south exposure with sandy/rocky soil. 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 & fruiting.

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.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: Rock Springs Uplift: hills and draws sloping down to the W toward Killpecker Creek, ca 1 air mi E of Killpecker Creek; ca 3 air mi N of Rock Springs.
Sandy exposure. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: Rock Springs Uplift: draws and flats ca 2 air mi E of White Mountain; ca 2.6 air mi W of Rock Springs.
Sandy soil. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: Rock Springs Uplift: west-facing draws and slopes to a tributary of Bitter Creek, ca 8.5 air mi NW of Table Rock; ca 10.5 air mi ESE of Point of Rocks.
Rocky, sandy outcrops with sagebrush or open. Phenology: flowering.

Badlands draw. Phenology: flowering.

Sandy area with juniper. Phenology: flowering.

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

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: Green River Basin: draws and slopes from White Mountain draining to Killpecker Creek, ca 1 air mi S of Chicken Springs; ca 3 air mi W of the Boars Tusk; ca 25 air mi NNW of Rock Springs.
Sandy ridge. Phenology: flowering.

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

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

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

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

U.S.A., Wyoming, Natrona County: Sweetwater Rocks: E of Savage Pocket; ca 14 air mi NE of Muddy Gap Junction.
Sandy, yucca-sagebrush grassland plain. Phenology: flowering & fruiting.
with Georgia Haines

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: County Road 499, ca 1.5 road mi SE from Wyo Hwy 220; ca 8.5 air mi NE from Three Forks Junction.
Chalky, sandy hills dominated by grasses and cushion plants. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: ca 2 air mi NE of Superior.
Plains above and steep escarpment below Zerkel Mesa with sandstone outcrops, sagebrush - limber pine. Phenology: flowering.
with Keith H. Dueholm

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

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

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

U.S.A., Wyoming, Sweetwater County: Washakie Basin: S of Powder Rim, ca 7.3 road mi N of Baggs on Wyo Hwy 789, then ca 39 road mi W on BLM roads; ca 8.1 road mi E of Bitter Creek Road.
Sandy slopes with scattered juniper. Phenology: flowering & fruiting.
with B. E. Nelson

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: fruiting.

U.S.A., Wyoming, Sweetwater County: Washakie Basin: Adobe Town Rim and vicinity, ca 36 air mi SW of Wamsutter.
On sandy flats and dunes with Stipa comata, Oryzopsis hymenoides, Muhlenbergia pungens, and Artemisia cana. Common. Phenology: flowering.
with Frank Blomquist

U.S.A., Wyoming, Sweetwater County: E of Wilkins Peak, ca 9.5 air mi ESE of Green River and 7.5 air mi SW of Rock Springs.
Sandy soil in a juniper woodland with Artemisia tridentata, Atriplex confertifolia, Chrysothamnus viscidiflorus, Grayia spinosa, Cleome lutea, Salsola kali. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Northern part of Red Desert,
Sandy shale hills and plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Bitter Creek.

U.S.A., Wyoming, Sweetwater County: Steamboat Mountain.
Dry shale and sandy ridges. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Fort Steele.

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

U.S.A., Wyoming, Sweetwater County: Black Butte Coal Site.
Sandy soil; edge of sagebrush scrub and juniper woodland. Point of Rocks SE Quadrangle. Phenology: flowering.
with L. M. Mayer and J. A. Moore

U.S.A., Wyoming, Carbon County: 3 mi N of Saratoga.
Sandy roadside. Flowers yellow. Phenology: flowering & fruiting.
with Lois B. Payson

U.S.A., Wyoming, Sweetwater County: 20 mi E of Point of Rocks.
Very dry, sandy soil. Phenology: flowering & fruiting.
with Lois B. Payson

U.S.A., Wyoming, Sweetwater County: Ca 3-4 mi SE of Rock Springs.
On hillsides. Common; flowers bright yellow. Phenology: flowering & fruiting.
with Lois B. Payson

U.S.A., Wyoming, Albany County: Medicine Bow.

U.S.A., Wyoming, Sweetwater County: Washingtons Ranch.
Companion drawing by Edwin Payson. Phenology: flowering & fruiting.
with E. N. Wilcox

U.S.A., Wyoming, Sweetwater County: Near Washington's Ranch.
Dry soil. Phenology: flowering & fruiting.
with E. N. Wilcox

U.S.A., Wyoming, Carbon County: Cooper Cove Exit Snow Fence 278.3; 100 yards W of I-80.
Grassland vegetation type. Phenology: flowering.
Accession: USFS 403759, Barcode: USFS0072317

U.S.A., Wyoming, Carbon County: Cooper Cove Exit Snow Fence 278.3; 100 yards W of I-80.
Grassland vegetation type. Phenology: flowering.
Accession: USFS 636122, Barcode: USFS0072318

U.S.A., Wyoming, Sweetwater County: SE of Rock Springs.
Sandy sagebrush hills. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin: Killpecker Dunes area: ca 2 mi S of Steamboat Mountain; ca 28 air mi NE of Rock Springs; ca 28 air mi ESE of Farson.
Open sagebrush-grassland on stabilized dune. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Alcova.
42.5557° N, 106.7186° W; NAD 83, uncertainty 0.75 mi., Digital Map
Hot sandy slopes. Phenology: flowering & fruiting.
Leslie N. Goodding, 164. 7/1/1901.

U.S.A., Wyoming, Carbon County: TB Ranch.
42.0774° N, 106.2005° W; NAD 83, uncertainty 0.5 mi., Digital Map
Desert flats. Phenology: flowering & fruiting.
Leslie N. Goodding, 53. 6/20/1901.

U.S.A., Wyoming, Sweetwater County: N of Linwood, Utah.
Dry hills. Flowers yellow. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Rock Springs.
Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Rock Springs.
Dry prairie. Phenology: flowering & fruiting.
with Leroy Peiler

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

U.S.A., Wyoming, Sweetwater County: Great Divide Basin and Adjacent Regions: Red Desert: Great Divide Basin: Killpecker Dunes.
Sparsely vegetated shifting sand dunes; common. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin and adjacent regions: Washakie Basin, ca 16 air mi W of Wyo Hwy 789.

U.S.A., Wyoming, Sweetwater County: Powder Rim.
With Lupinus, Crepis, and Artemisia tridentata. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Ca 0.5 mi S of Fire Hole Campground on east side of Flaming Gorge Reservoir, 13.5 mi 175 deg from Green River.
Desert shrub community. Phenology: flowering & fruiting.
with N. Duane Atwood

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

U.S.A., Wyoming, Natrona County: [location and coordinates withheld]
Sagebrush-grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Encampment River, ca 1.5 air mi S of Encampment.
Dry rocky slope, with Physaria acutifolia. Rare; flowers yellow. Phenology: flowering.

U.S.A., Wyoming, Carbon County: 1 mi in (S) from Wyo Hwy 220, ca 42.5 air mi N of Rawlins.
Loamy sand with gravel; on rolling hills/prairie; slope 0-25 deg; aspect north, east, and south; with Hesperostipa comata, Achnatherum hymenoides, Artemisia spp., Astragalus spp., Chrysothamnus viscidiflora. Phenology: flowering.
with Rebecca Upjohn

U.S.A., Wyoming, Carbon County: BLM Cow Butte Road off County Road 503.
Sandy loam; on sandy flat; slope 2 deg; aspect southwest; with Eriogonum sp., Oenothera cespitosa, Opuntia poliacantha, Artemisia sp., Brassicaceae.
with E. O'Leary

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: Flaming Gorge National Recreation Area: Middle Firehole Canyon, ca 12 air mi SW of Rock Springs; end of Middle Firehole Road.
41.4055° N, 109.4111° W; uncertainty .5 mi., Digital Map
Sandy soils with some shale on slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: N of the Ferris Mountains: at the junction of Pete Creek and Cherry Creek roads, ca 8.5 air mi ENE of Three Forks or Muddy Gap Junction; ca 42.5 air mi N of Rawlins.
Elev. 1878 m.
Precambrian igneous and metamorphic rocks; brown shallow sandy soil; slope 0-10 deg; aspect west; with Astragalus spatulatus, Hesperostipa comata, Sphaeralcea coccinea, Koeleria macrantha, Eriogonum ovalifolium, Erysimum asperum, Lygodesmia texana. Phenology: flowering.
with N. Leach, Danielle Smith

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: Flaming Gorge National Recreation Area: Massacre Hill, ca 12 air mi SW of Green River.
41.3963° N, 109.6328° W; uncertainty .5 mi., Digital Map
Ridgetop, sandstone outcrops, and steep sand dune slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Sheep Rock S of County Road 508, ca 5.5 air mi NW of Saratoga.
Rocky flat top; cushion community. Phenology: flowering & fruiting.
with Nathan Foster

U.S.A., Utah, Daggett County: Southwestern Wyoming and Adjacent Utah: Browns Park: ca 14.7 air mi ESE of Dutch John.
T2N R25E S32 N1/2; also South1/2 S29
White chalky outcrops, limestone, loose sandy soils. Phenology: flowering & fruiting.

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: Flaming Gorge National Recreation Area: ca 4 air mi SE of Manila.
T2N R20E S4; Center of S4
Red sandstone soils, Navajo Formation, hill top, juniper woodlands. Phenology: flowering & fruiting.
with S. Goodrich

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: Flaming Gorge National Recreation Area: ca 8 air mi NW of Dutch John; 2.1 mi W of the Forest boundary.
Mountain top, shaly, Cercocarpus. Phenology: flowering & fruiting.
with S. Goodrich

Flat chert fields, alkaline soils, semi-barren desert. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: ca 19 air mi SW of Green River; 12.6 mi W from Wyo Hwy 530 on gravel access road.
41.3284° N, 109.8483° W; uncertainty 1 mi., Digital Map
Badlands, chert, dry clays with sand. Phenology: flowering & fruiting.

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, Sweetwater County: Flaming Gorge National Recreation Area.
41° 0' 8" N, 109° 37' 42" W; unknown, , Specimen Label
Desert shrub community. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: ca 3.5 road mi W on County Road 508, ca 6 air mi NW of Saratoga.
Sagebrush grasslands with sandstone outcrops. Phenology: flowering & fruiting.

U.S.A.: Lysite Badlands: E of Moneta-Lysite Road ca 5 air mi ENE of Moneta, badlands and ridge to S.
Near and among brown sandstone outcrops at top of ridge. Phenology: flowering & fruiting.
Hollis Marriott, s.n.. 6/18/1986.

U.S.A., Wyoming, Fremont County: Sweetwater Exclosure.
Big sagebrush-grass. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Near Leucite Hills.
Dry sandy soil.
Elmer D. Merrill, 497. //1901.
with E. N. Wilcox

U.S.A., Wyoming, Fremont County: Red Desert: Cathedral Buttes Formation.
Badlands. Phenology: flowering & fruiting.

U.S.A., Wyoming, Uinta County: Fort Bridger.
Thomas C. Porter, s.n.. 7//1873.

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

U.S.A., 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/mudstone ridges with intervening draws dominated by sagebrush, hopsage, shadscale, Gardner saltbush, and spiny horsebrush. Phenology: flowering & fruiting.
with B. E. Nelson

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: I D Ridge between Wyo Hwy 351 and Seminoe Reservoir, ca 4 air mi S of Seminoe Dam; ca 27 air mi NE of Rawlins.
Sand hills dominated by Artemisia cana and sandy ridges populated with limber pine, ponderosa pine, and juniper. Phenology: flowering & fruiting.
with B. E. Nelson