Oxytropis besseyi var. fallax (1993)
FABACEAE
Oxytropis besseyi (Rydb.) Blank. var. fallax Barneby
U.S.A., Wyoming, Hot Springs County: Southeastern Absarokas: south side of Sanford Draw, in foothills ca 0.5 mi N of Grass Creek, ca 28 mi SSW of Meeteetse.
Elev. 7200 ft.
Meadow openings and Pinus flexilis woodland with Lupinus polyphyllus var. humicola, Iris missouriensis, Geum triflorum, and Carex vallicola. Phenology: flowering.
Accession: RM (unaccessioned)

Oxytropis besseyi var. fallax (1993)
FABACEAE
Oxytropis besseyi (Rydb.) Blank. var. fallax Barneby
U.S.A., Wyoming, Hot Springs County: Southeastern Absarokas: Shoshone National Forest: ridge just SE of Twin Lakes, ca 33 mi SSW of Meeteetse.
Elev. 8600 ft.
Limber pine woodland and rocky openings with Lomatium cous, Phlox hoodii, Leucopoa kingii, and Antennaria rosea. Phenology: flowering.
Accession: RM (unaccessioned)

Oxytropis besseyi var. fallax (1997)
FABACEAE
Oxytropis besseyi (Rydb.) Blank. var. fallax Barneby
U.S.A., Wyoming, Hot Springs County: Owl Creek Mountains: ridge just S of county road and North Fork Owl Creek, ca 4 mi NNE of Anchor Reservoir; ca 30 mi W of Thermopolis.
Elev. 6200 ft.
Rocky grassland on limestone with Koeleria macrantha, Stipa comata, Carex filifolia, and a few Pinus flexilis. Phenology: flowering.
Accession: RM 818570, Barcode: RM0020424

U.S.A., Montana, Park County: Ridge and draw immediately E of the Yellowstone River, ca 2.5 mi S of Livingston.
T2S R9E S36
Grassland with some scattered limber pine and Douglas fir. Phenology: flowering.
Accession: RM 818751, Barcode: RM0019910

U.S.A., Wyoming, Washakie County: Bighorn Basin: along Platte Pipeline or BLM Road 1430, ca 3/4-1 air mi S of Red Hill, ca 13.5 air mi W of Worland.
Sandy to sandy clay with scattered sagebrush. Phenology: flowering.
with Luanne Lum
Accession: RM 802857, Barcode: RM0097245

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

U.S.A., Wyoming, Big Horn County: Bighorn Basin: ca 0.4-0.6 mi S of Elk Creek on Dorsey Creek or BLM Road 1103, ca 9.5 air mi SSW of Otto; ca 16 air mi SW of Basin.
Flats on the top of the badlands. Phenology: flowering.
with Luanne Lum

U.S.A., Wyoming, Washakie County: Bighorn Basin: reservoir on North Fork Buffalo Creek just S of Big Cedar Ridge along Blue Bank or BLM Road 1411, ca 11.5 air mi WNW of Big Trails; ca 25 air mi SE of Worland.
Sagebrush or stony slope along the reservoir. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Big Horn Mountains: along Cherry Creek or County Road 80, ca 4.5 air mi ENE of Mahogany Butte, ca 27.5 air mi SSE of Ten Sleep.
Juniper woodland - sagebrush; sandy soil and rock outcrops. Phenology: flowering.
Accession: RM (unaccessioned)

U.S.A., Wyoming, Big Horn County: Bighorn Basin: along Alkali Road or BLM Road 1111, ca 7.3 air mi N of Hyattville or ca 18.5 air mi ENE of Manderson.
Juniper woodland with sagebrush. Phenology: flowering & fruiting.

U.S.A., Wyoming, Washakie County: Big Horn Mountains: along Cherry Creek or County Road 80, ca 5 air mi SW of Mahogany Butte, ca 32 air mi S of Ten Sleep.
Sagebrush, also grasses dominant; sandy soil with fines. Phenology: flowering.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: SE of Wardel Reservoir dam, ca 13 air mi WSW of Basin and ca 16 air mi WSW of Greybull.
Sagebrush. Phenology: fruiting.
with Michelle Wilson

U.S.A., Wyoming, Big Horn County: Bighorn Basin: along County Lane 16.5, ca 10 air mi SE of Lovell and ca 20 air mi NNW of Greybull.
Sagebrush with sandy soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Washakie County: Bighorn Basin: along County Road 65, ca 1.1 air mi ESE of Ten Sleep.
Juniper and sagebrush with yucca adjacent to landfill. Phenology: flowering.

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

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

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

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

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

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

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

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

U.S.A., Wyoming, Big Horn County: Bighorn Basin: along Dorsey Creek or BLM Road 1103, ca 7 air mi ESE of Otto and ca 11.5 air mi ESE of Greybull.
Sagebrush on sandy soil. Phenology: flowering.

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

U.S.A., Wyoming, Washakie County: Bighorn Basin: along Rome Hill or County Road 56 and S of Cooks Canyon, ca 8 air mi ESE of Ten Sleep.
Sagebrush on mudstone and siltstone. Phenology: flowering.

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

U.S.A., Wyoming, Park County: Bighorn Basin: along County Road 7UH and S of Goff Lake, ca 10.1 air mi NW of Cody.
Sagebrush on sandy soil. Phenology: flowering & fruiting.
with Al Flinck

U.S.A., Wyoming, Fremont County: Wetlands and Adjacent Areas: along Twin Creek and Twin Creek or County Road 19 at the west base of Sheep Mountain, ca 19-19.5 air mi SE of Lander.
Redbed slopes and hills. Phenology: flowering.
Annotations:
1. Oxytropis besseyi (Rydb.) Blank. var. fallax Barneby
Annotated by Rachel Newton.

U.S.A., Wyoming, Laramie County: Wetlands and Adjacent Areas: Bear Creek, ca 9 air mi SSE of Chugwater.
Dry, rocky uplands. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Near Lysite.
43.2678° N, 107.6904° W; NAD 83, uncertainty 2 mi., Digital Map
On badland eroded hills. Flowers pinkish-purple. *NE Fremont county* Phenology: flowering & fruiting.

U.S.A., Wyoming, Washakie County: Near Big Trails.
43.7346° N, 107.2811° W; NAD 83, uncertainty 3 mi., Digital Map
Red sandy soil. Flowers pinkish-purple, pods somewhat inflated. Phenology: flowering & fruiting.

U.S.A., Wyoming, Big Horn County: Trapper Creek, E of Wyman Ranch.
On gypsum soil. *sheet. Phenology: flowering.
Annotations:
4. Oxytropis besseyi (Rydb.) Blank. var. fallax Barneby
Annotated by Stanley L. Welsh in 1989.
Crystal Finley, 28a. 6/1/1926.

U.S.A., Wyoming, Big Horn County: Top of Devils Leap in Red Gulch.
*sheet. Phenology: flowering.
Annotations:
4. Oxytropis besseyi (Rydb.) Blank. var. fallax Barneby
Annotated by Stanley L. Welsh in 1989.
Crystal Finley, 28b. 6/1/1926.

U.S.A., Wyoming, Big Horn County: Foothills of the Pryor Mountains: on Crooked Creek; N of Lovell.
Dry, sandy soil. Phenology: flowering & fruiting.
Annotated by Stanley L. Welsh in 1989.

U.S.A., Wyoming, Big Horn County: Horseshoe Bend.
Sandy littoral edge of reservoir. Phenology: flowering.

U.S.A., Wyoming, Big Horn County: Big Horn Mountains: along U.S. Hwy 14A, ca 1 mi W of Five Springs Campground.
Phenology: flowering & fruiting.

U.S.A., Wyoming, Big Horn County: Big Horn Canyon National Recreation Area: SE of southeast end of Sykes Mountain; ca 1 km from Yellowtail Reservoir.
On alluvial fans. Phenology: flowering.
with D. Ditolla and R. Myers

U.S.A., Wyoming, Washakie County: 10 mi SW of Ten Sleep in North Butte area.
Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Lysite Badlands: Pony Creek #1 gas line site just W of Moneta-Lysite Road, 3.3 road mi N of Moneta.
Artemisia tridentata-Stipa comata grassland. Phenology: flowering.

U.S.A., Wyoming, Washakie County: W of Worland, on the lower part of the Fifteenmile drainage area. Willwood formation.
T47N R93W S3
Hillside; on shallow clay soil. 5-9 inch precipitation zone. Phenology: flowering & fruiting.

U.S.A., Wyoming, Washakie County: W of Worland, on the lower part of the Fifteenmile drainage area.
Hillside; on shallow clay soil. 5-9 inch precipitation zone. Phenology: flowering & fruiting.

U.S.A., Wyoming, Big Horn County: West Foothills of the Big Horn Range: ridge ca 0.2 mi E of the Bighorn River and 1.5 mi S of the Montana.
Top of sandstone peak along ridge in cracks of white, fine-grained sandstone boulders in cushion plant/bunchgrass community with less than 50% cover. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Schuster Flats NE Quad: Tenmile Creek Road; ZE Allotment.
T48N R93W S8 NW1/4 of NE1/4
Sandy area. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Ca 2.5 mi N of Moneta on road to Lysite.
Clay bluffs W of road; common on east facing slope on eroded soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Base of Beaver Rim near Bain Spring.
Phenology: buds.

U.S.A., Wyoming, Big Horn County: Ca 5 mi SE of Hyattville.
Rocky clay slopes with Cryptantha and Eriogonum. Phenology: flowering & fruiting.

U.S.A., Wyoming, Hot Springs County: Ca 6 mi N of Thermopolis.
Shaley hillside. Phenology: flowering & fruiting.

U.S.A., Wyoming, Big Horn County: Ca 1.5 mi W of Horseshoe Bend Campground.
Barren slope on Chugwater Formation. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Foothills of West Slope Big Horn Mountains: Ten Sleep Preserve: reddish hills E of dirt access road to Pow Wow site on south rim of Canyon Creek Canyon.
Juniper woodland with small patches of open, bare soil. Phenology: flowering & fruiting.
with Ann Humphrey and Phil Shephard

U.S.A., Wyoming, Fremont County: Wind River Basin: Beaver Divide, adjacent to Wyo Hwy 135; ca 28 air mi S of Riverton.
Sandy ridgetop at edge of Wyoming sagebrush/black sagebrush grassland and steep siltstone-shaley cliff. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Southeast Big Horn Mountains: north slope of Cedar Ridge, S of Badwater Creek, ca 1.5-2 air mi NW of Badwater.
Gravelly sandstone deposits with scattered Utah juniper woods and Wyoming big sagebrush. Phenology: flowering.

U.S.A., Wyoming, Fremont County: NW Wind River Basin: Dubois badlands; W side of Table Mountain Road.
South facing steep slope of pinkish-white sandy clay with abundant surface gravel. Cushion plant bunchgrass community with occasional Artemisia tridentata. Phenology: flowering & fruiting.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: north slope of Sykes Mountain, ca 0.8 mi W of Horseshoe Bend of the Bighorn Canyon of Yellowtail Reservoir; ca 3.2 air mi S of Montana.
Dry wash draining north side of mountain in red-brown clay and pulverized sandstone below whitish shale band; community of Chrysothamnus nauseosus and Stipa Comata, with scattered Wyethia scabra, Eriogonum brevicaule var. canum, Astragalus hyalinus, and Phenology: flowering.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: east shore of Yellowtail Reservoir, ca 4.5 air mi N of causeway of U.S. Alt 14; ca 3 mi SE of Horseshoe Bend.
West-dipping redbed clay slope covered by white dolomite boulders and large rock fragments in community of Gutierrezia sarothrae, Phlox hoodii, and Elymus spicatus. Phenology: flowering.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: terrace on east shore of Yellowtail Reservoir, on west side of the John Blue Canyon Road, ca 2.1 air mi N of the U.S. Hwy Alt 14, ca 11.5 air mi E of Lovell.
Terrece of red clay coverd by dolomite pebbles and large dolomite rocks. Cushion plant community with Stipa comata & Elymys spicatus and occasional Artemisia tridentata var. wyomingensis. Dominant cushion species include Eriogomum brevicaule var. canum, Phenology: flowering.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: terrace on east shore of Yellowtail Reservoir, on west side of the John Blue Canyon Road; ca 2.1 air mi N of U.S. Hwy Alt 14; ca 11.5 air mi E of Lovell.
Terrace of red clay covered by dolomite pebbles and large dolomite rocks; cushion plant community with Stipa comata and Elymus spicatus with occasional Artemisia tridentata var. wyomingensis; dominant cushion species include Eriogonum brevicaule var. can Phenology: flowering.
Accession: RM 683964

U.S.A., Wyoming, Big Horn County: Ca 5 mi SE of Hyattville.
Rocky clay slopes with Cryptantha and Eriogonum. Phenology: flowering & fruiting.
Accession: RM 398994

U.S.A., Wyoming, Fremont County: Base of Beaver Rim near Bain Spring.
Phenology: buds.
Accession: RM 610309

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Rattlesnake Hills: McDougal Gulch N of Dry Creek or County Road 321, ca 14.8 air mi NW of junction with Wyo Hwy 220.
Sagebrush slopes with granitic outcrops. Phenology: flowering.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: along Elk Creek on Dorsey Creek Road, ca 16 air mi WSW of Basin, ca 9 air mi SSW of Otto.
Elev. 4400
Sandy flats with sandstone outcrops above badlands. Phenology: flowering.
with Erik Nelson

U.S.A., Wyoming, Washakie County: Bighorn Basin: Dry Cottonwood Creek just above Fifteenmile Creek, ca 20 air mi NW of Worland.
Cobblestone rim of bluffs. Phenology: flowering.
with Erik Nelson

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: Red Canyon across from Minnesela Slope, ca 5.5 air mi SW of Thermopolis.
Red sandy soil on ledges of canyon wall.
with Robin Jones

U.S.A., Wyoming, Big Horn County: Big Horn Mountains: along U.S. Hwy 14A above Five Springs Creek; ca 20 air mi E of Lovell.
Rocky juniper-sagebrush slopes. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Bighorn Basin: Six Mile Reservoir and vicinity, ca 12 air mi NNW of Worland; ca 9 air mi SW of Manderson.
Sandy to sandy clay sagebrush-saltbush-hopsage plains. Phenology: flowering.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: Fox Mountain, ca 9 air mi E of Greybull.
Rocky slopes of the butte. Phenology: flowering.

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

U.S.A., Wyoming, Washakie County: Bighorn Basin: ca 5.5 air mi S of Worland on the Nowater Trail.
Clay soil on sagebrush grass slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Washakie County: Bighorn Basin: ca 15 air mi SSE of Worland on the Nowater Trail.
Rocky, sandy areas. Phenology: flowering & fruiting.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: ca 18 air mi E of Thermopolis.
Sandstone uplift with outcrops, rocky and sandy slopes, sagebrush grassland on bench above, loose shale slopes; rocky slopes. Phenology: flowering.
with Ronald L. Hartman

U.S.A., Wyoming, Big Horn County: Bighorn Basin: along U.S. Hwy 14, ca 0.5 mi E of Greybull.
Sandstone outcrops, sandy plain along highway; plain. Phenology: flowering.
with Ronald L. Hartman

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

U.S.A., Wyoming, Washakie County: Bighorn Basin: Castle Gardens, ca 6.5 air mi SW of Ten Sleep.
Eroded shale slopes and ridges. Phenology: flowering & fruiting.
with Keith H. Dueholm

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

U.S.A., Wyoming, Big Horn County: Big Horn Mountains: Medicine Lodge Canyon.
Lower canyon slopes and floor. Phenology: flowering.
with Keith H. Dueholm

U.S.A., Wyoming, Big Horn County: Big Horn Mountains: John Blue Canyon Road: ca 4.5 mi NNE of U.S. Hwy 14A.
Stream sides. Phenology: flowering.

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

U.S.A., Wyoming, Washakie County: Bighorn Basin: ca 6 mi W of Ten Sleep.
44.0286° N, 107.5629° W; NAD 83, uncertainty 2 mi., Nat. Geog. TOPO!
Sandy slopes. Phenology: flowering.

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

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

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

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

U.S.A., Montana, Carbon County: Bighorn Basin: Gypsum Creek and vicinity S of Helt or BLM Road 1016, ca 28.5 air mi SE of Bridger.
45.054° N, 108.464° W; uncertainty 1 mi., GPS reading
Red slopes and ridgetop with scattered juniper. Phenology: flowering.
Annotated by B. E. Nelson.

U.S.A., Montana, Carbon County: Bighorn Canyon National Recreation Area: Pryor Mountain Desert: along Layout Creek Trail, ca 0.75 mi NW of Layout Creek Ranger Station and historic cabin site.
T8S R28E S34 SE4SE4
Dry stony meadow bordering small stream within opening in Juniperus osteosperma- Artemisia tridentata woodland; soil reddish clay with surface of small rock. Phenology: flowering.

U.S.A., Montana, Carbon County: Big Horn Basin: Bighorn Canyon National Recreation Area, ca 1.5 mi NW of Barrys Landing in roadside campground.
West-facing, open grassy sagebrush clopes above canyon. Phenology: flowering.
with Jane Struttmann

Oxytropis besseyi var. fallax Oxytropis sericea var. sericea (1993)
Oxytropis besseyi (Rydb.) Blank. var. fallax Barneby Oxytropis sericea Nutt. var. sericea
U.S.A., Wyoming, Hot Springs County: Southeastern Absarokas: ridge 1/4-1/2 mi N and W of Little Grass Creek, in foothills ca 20 mi S of Meeteetse.
Rocky sagebrush-grassland and limber pine woodland with Ipomopsis spicata ssp. spicata, Hymenoxys acaulis, Penstemon laricifolius, and Festuca idahoensis. Phenology: flowering & fruiting.
Accession: RM (unaccessioned), Barcode: 611469

U.S.A., Wyoming, Big Horn County: Steamship Rock, ca 0.5 to 1.5 mi E of Crystal Creek County Road.
Elev. 4300
Mowry Formation; rocky, sandy clay loams and clay loam; on plains and badlands; slope 5-45 deg; aspect northwest; with Cryptantha celosioides, Erigeron caespitosus, Pseudoroegneria spicata, Lesquerella alpina, Machaeranthera grindelioides, Platyschkuhria integrifolia, Poa secunda. Phenology: flowering.
with Dylan Bergman

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.

U.S.A., Wyoming, Big Horn County: Lovell Training Area: ca 2.9 km E of U.S. Hwy 310, ca 5.0 km S of Levell Peak (1573 m).
Elev. 1372 m.
zone DMC, 715897E, 4958696N; unknown, GPS reading
Ridges and slopes; cushion/Wyoming big sagebrush; clay loam with gypsum and pebbles to cobbles with rock outcrops; with Leptodactylon caespitosum, Arenaria hookeri, Cryptantha caespitosa, Haplopappus nuttallii, Comandra umbellata, Stipa comata, S. viridula, Oryzopsis hymenoides. Scattered; ascending to erect, woody taprooted, perennial herb; 10 cm tall; corolla magenta. Phenology: flowering.
Patricia P. Douglas, 362. 7/24/2001.
with Nancy E. Hastings

U.S.A., Wyoming, Fremont County: Wind River Basin; Johnny Behind the Rock; 13.5 air miles SSE of Lander.
Sparsely vegetated, rocky slopes; loam soil; 30 degree slope. Associated species: Juniperus sp., Stenotus armeriodes, Astragalus convallarius, Carex filifolia, Allium textile. Phenology: flowering & fruiting.
Christopher Coggins, 21. 6/5/2017.
with Leah Prescott

U.S.A., Wyoming, Big Horn County: Big Horn Mts.: mouth of Shell Canyon.
Along slope, among boulders. Phenology: flowering & fruiting.
Type Specimen: Isotype for Oxytropis besseyi (Rydb.) Blank. var. fallax Barneby. Proc. Calif. Acad. Sci. ser. 4, 27: 235. 1952 Also a paratype of Oxytropis obnapiformis Ch. Porter.Paratype for Oxytropis obnapiformis Ch. Porter. Madroño 9: 133, fig. 1947.
Annotated by C. L. Porter in 1955.
2. Oxytropis obnapiformis Ch. Porter
Annotated by C. L. Porter in 1946. Co-type.
1. Oxytropis sp..
with R. C. Barneby

U.S.A., Wyoming, Big Horn County: Big Horn Mts.: near Five Springs Falls.
Dry rocky hillside. Phenology: flowering & fruiting.
Type Specimen: Paratype for Oxytropis besseyi (Rydb.) Blank. var. fallax Barneby. Proc. Calif. Acad. Sci. ser. 4, 27: 235. 1952 Also a paratype of O. obnapiformis Ch. Porter.
Annotated by C. L. Porter in 1955. '55 verbatim date.
2. Oxytropis obnapiformis Ch. Porter
Annotated by C. L. Porter in 1946. Co-type.
1. Oxytropis sp..
with Rua Williams