Streptanthus cordatus (2004)
BRASSICACEAE
Streptanthus cordatus Nutt.
U.S.A., Colorado, Grand County: Gore Range: ca 1 mi W of the Denver and Rio Grande Western Railroad and Radium.
Pinyon/juniper woodland, silty loam and sandy soils along drainage gully. Phenology: flowering.
Accession: RM (unaccessioned)

Streptanthus cordatus (2004)
BRASSICACEAE
Streptanthus cordatus Nutt.
U.S.A., Colorado, Grand County: Gore Range: ca 0.5 air mi N of Radium and 9.5 air mi NE of State Bridge, just W of railroad.
Pinyon-juniper slope/road cut. Phenology: flowering & fruiting.
Accession: RM (unaccessioned)

Streptanthus cordatus (2004)
BRASSICACEAE
Streptanthus cordatus Nutt.
U.S.A., Colorado, Grand County: Williams Fork Mountains: ca 10 air mi SE of Kremmling and ca 24 air mi NW of Silverthorne, ca 2 mi E of Colo Hwy 9 off County Road 381.
Sagebrush on fine sedimentary soil slopes. Phenology: flowering.
Accession: RM (unaccessioned)

U.S.A., Colorado, Grand County: Middle Park: Red Mountain, ca 2 mi E of Kremmling and 6.5 mi W of Parshall.
Well drained slope of metamorphic substrate. Phenology: flowering & fruiting.

U.S.A., Colorado, Grand County: Williams Fork Mountains: ca 2 mi NW of Green Mountain Reservoir along Colo Hwy 9.
Elev. 7650 ft.
Well drained fine sedimentary slope. Phenology: flowering.

U.S.A., Colorado, Grand County: Gore Range: ca 2 air mi NE of Radium and ca 9.5 air mi SW of Kremmling, ca 1 mi W of the Colorado River.
Loose sedimentary hills with alternating red oxidized layers. Phenology: flowering & fruiting.

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.
with Tim Lowrey and Bob Sivinski
Accession: RM 756251

U.S.A., Colorado, Eagle County: Central Colorado: Castle Peak Area, West Slope Continental Divide: Colo Hwy 131, ca 1 air mi N of Wolcott, just up County Road 49 towards landfill.
Pinyon pine slopes. Phenology: flowering.
Annotations:
1. Streptanthus cordatus Nutt.
Annotated by Emily A. Holt.
with Emily Holt
Accession: (unaccessioned)

U.S.A., Colorado, Eagle County: Central Colorado: Castle Peak Area, West Slope Continetal Divide: off County Road 4 on the north side of road, ca 4 air mi NNW of Wolcott.
Juniper forest with scattered sagebrush on shale. Phenology: flowering.

U.S.A., Colorado, Eagle County: Central Colorado: Sawatch Range, West Slope Continental Divide: off West Squaw Creek Road, 0.2 road mi W of County Road 23, ca 4 air mi S of Wolcott.
Mountain shrub with Cercocarpus, Quercus, and Amelanchier on south aspect. Phenology: flowering.

U.S.A., Colorado, Grand County: Sierra Madre/Park Ranges: Park Range: ca 12 air mi SW of Kremmling in the vicinity of Radium.
T1S R82W S27; also S28
Rolling hills of pinyon-juniper and sagebrush.
Accession: (unaccessioned)

U.S.A., Colorado, Grand County: Sierra Madre\Park Range: Park Range: ca 12 air mi SW of Kremmling in the vicinity of Radium.
Rolling hills of pinyon-juniper and sagebrush.
Accession: (unaccessioned)

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: badlands area ca 1 air mi N of Round Mountain; ca 11 air mi NE of Kemmerer.
Partially barren slopes with shrubs in ravines, cushion plant communities, and redbeds. Phenology: flowering.
with Tom Cramer

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Salt River Range: along Smiths Fork at and above the mouth of Hobble Creek, ca 20 air mi N of Cokeville; ca 44 air mi NNW of Kemmerer.
Sagebrush slope with outcrops and semibarren areas. Phenology: flowering.
Annotations:
1. Streptanthus cordatus Nutt.
Annotated by Thomas Cramer.

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Snow Hollow, ca 1.5 air mi E of Idaho, ca 5.5 air mi SW of Cokeville; ca 29 air mi NW of Kemmerer.
Steep, nearly barren banks. Phenology: flowering & fruiting.
Annotations:
1. Streptanthus cordatus Nutt.
Annotated by Thomas Cramer.
with C. H. Refsdal

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Tunp Range: southern end of Rock Creek Ridge, ca 3/4 mi NNE of Gooseberry Spring, ca 16 air mi SSE of Cokeville; ca 19 air mi WNW of Kemmerer.
Limestone-clay slopes with Cercocarpus and little else. Phenology: flowering & fruiting.
Annotated by Thomas Cramer.
with C. H. Refsdal

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: ca 13.5 air mi N of Cokeville; Sublette Range at Raymond Creek.
Elev. 7000 ft.
Ridgetop with gravel soil and granite outcrops covered with grasses and spotty shrubs. Phenology: flowering.
with Jane T. Kellett

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Trail Creek, ca 14.5 air mi N of Kemmerer.
Steep sagebrush hillside with Amelanchier, Prunus, and aspen stands. Phenology: fruiting.
with Jane T. Kellett

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: ca 7.5 air mi ENE of Gunnison.
Sagebrush meadow. Phenology: flowering & fruiting.
Accession: 720998

U.S.A., Colorado, Delta County: Northern Gunnison Basin: ca 4 air mi NNE of Crawford.
Pinyon and juniper. Phenology: flowering & fruiting.
Accession: 721000

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: ca 7.5 air mi WNW of Gunnison.
Douglas fir forest. Phenology: flowering & fruiting.
Accession: 720999

U.S.A., Colorado, Delta County: Northern Gunnison Basin: Youngs Peak and lower intrusive mountain immediately SE; adjacent to Crawford.
Pinyon-juniper woodland. Phenology: flowering & fruiting.
Annotated by Kevin J. Taylor.
with Kevin J. Taylor

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: ca 9.5 air mi ESE of Gunnison.
South-facing sagebrush slope; Juniperus and Amelanchier. Phenology: flowering & fruiting.

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: ca 6 air mi NNW of Gunnison.
Up south-facing slope and along base of rock outcrops; sagebrush, Amelanchier, Rhus trilobata, and Ribes. Phenology: flowering.

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: ca 14 air mi WSW of Gunnison.
Sagebrush hills; Quercus, Amelanchier, juniper, and Purshia. Phenology: flowering.

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: ca 6 air mi NNE of Almont.
Southeast-facing sagebrush-covered slope; Purshia, Amelanchier, and Douglas-fir. Phenology: flowering & fruiting.

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: Rio Grande Canyon rim, Forest Road 556 along powerline, ca 3 air mi NE of Embudo.
Elev. 7000 ft.
Rocky canyon rim; grassy bench with pinyon and juniper. Phenology: flowering & fruiting.
Accession: RM 942126, Barcode: RM0119490

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: Jicarilla Ranger District: Bancos Canyon, Forest Road 310.
Artemisia tridentata, sandstone slopes with pinyon/juniper. Phenology: flowering & fruiting.
Accession: RM 942125, Barcode: RM0118203

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: Sangre de Cristo Range: Hondo Canyon along Forest Road 606, SE of NM Hwy 68, up Hondo Canyon Creek 0.6 air mi.
Southwest exposure, rocky slope with ponderosa pine and Douglas fir. Phenology: flowering.
with Jill E. Larson

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: Mesa de los Viejas, Rim Vista, ca 4 air mi NW of Ghost Ranch.
Pinyon/juniper woodland and sandstone rim rock. Phenology: flowering & fruiting.
Accession: RM 942124, Barcode: RM0118202

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: Picuris Pueblo Indian Reservation: canyon east of Picuris Canyon, ca 2 air mi NE of Picuris Pueblo, ca 4 air N of Penasco.
South aspect slope above canyon, pinyon/juniper woodland with Cercocarpus montanus, Yucca baccata and disturbed open slope. Phenology: flowering & fruiting.
with Cheryl Archuleta

U.S.A., Colorado, San Miguel County: San Miguel and lower Dolores River Drainages: Naturita Creek.
Creek bed and sandstone ledges, grazed and weedy along creek and irrigation ditch, with pinyon and juniper on the ledges. Phenology: fruiting.

U.S.A., Colorado, San Miguel County: San Miguel and lower Dolores River Drainages: San Miguel River Drainage: Dry Creek Basin, ca 5.5 air mi SW of Basin.
Rocky slopes of tilted Burro Canyon formation, northeast slope of Big Gypsum Anticline. Barren rock surfaces with scattered pockets of soil, with pinyon, juniper, Stenotus and Tetraneuris. Phenology: flowering & fruiting.

U.S.A., Colorado, Montrose County: San Miguel and lower Dolores River Drainages: San Miguel River Drainage: Spring Creek Mesa.
Exposed Dakota sandstone slickrock with pinyon and juniper. Phenology: flowering & fruiting.

U.S.A., Colorado, Montrose County: San Miguel and lower Dolores River Drainages: San Miguel River Drainage: Spring Creek, east side of County Road Z26 to top of hill.
Shaly slope with pinyon, juniper and Gambel oak. Phenology: flowering & fruiting.

U.S.A., Colorado, Montrose County: San Miguel and lower Dolores River Drainages: San Miguel Canyon: confluence of San Miquel and Dolores rivers, ca 6.5 air mi WNW of Uravan on south side of Colo Hwy 141.
On ledges of Kayenta sandstone with pinyon-juniper on cryptogamic soil. Phenology: flowering & fruiting.
Margarette J. Lyon, 702. 5/9/1993.

U.S.A., Colorado, Montrose County: San Miguel and lower Dolores River Drainages: Uncompahgre Plateau: Atkinson Creek.
Riparian area along creek with Populus angustifolia and sandy benches with Artemisia tridentata. Phenology: flowering & fruiting.

U.S.A., Colorado, Montrose County: San Miguel and lower Dolores River Drainages: Uncompahgre Plateau: Dry Park, ca 2.8 air ESE of Pinon, by USFS enclosure on Forest Road 606.
Sandy soil, and sandstone with pinyon, juniper, serviceberry, mountain mahogany and Gambel oak. Phenology: flowering.

U.S.A., Colorado, Montrose County: San Miguel and lower Dolores River Drainages: San Miguel River Drainage: Spring Creek Mesa, ca 2 air mi ESE of Uravan.
Sandstone outcrops and rocky slopes with pinyon-juniper, grassy benches, and a small area of seleniferous shales. Phenology: flowering & fruiting.
with Margarette J. Lyon

U.S.A., Colorado, Montrose County: San Miguel and lower Dolores River Drainages: San Miguel River Drainage: Sawtooth Ridge, ca 7 air mi NW of Naturita.
Sandstone outcrop, rimrock, and slopes with Juniperus osteosperma on south exposure, ponderosa pine on north. Phenology: flowering.
with Margarette J. Lyon

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

U.S.A., Colorado, Mesa County: [location and coordinates withheld]
With Juniperus and Bouteloua. Phenology: flowering & fruiting.

U.S.A., Colorado, Mesa County: San Miguel and Lower Dolores River Drainages: John Brown Canyon near John Brown Creek.
With Populus and serviceberry. Phenology: fruiting.

U.S.A., Colorado, Montrose County: [location and coordinates withheld]
With pinyon, juniper, and snakeweed. Phenology: fruiting.

U.S.A., Colorado, Montrose County: San Miguel and Lower Dolores River Drainages: Dolores River Drainage: above Mesa Creek.
With pinyon and juniper. Phenology: flowering & fruiting.

U.S.A., Colorado, Montrose County: San Miguel and Lower Dolores River Drainages: Sawtooth Ridge, ca 3.5 air mi W of Naturita.
Ridgetop with pinyon, juniper, Artemisia nova, Hymenoxys, and Stenotus. Phenology: fruiting.

U.S.A., Utah, Grand County: San Miguel and Lower Dolores River Drainages: Buckhorn Draw.
Stream bed in dry, sandy wash with pinyon and juniper. Phenology: fruiting.

U.S.A., Colorado, Montrose County: San Miguel and Lower Dolores River Drainages: Calamity Draw, ca 0.3 mi from Colo Hwy 141 near Nucla.
Dry area with sandstone ledges. Phenology: fruiting.

U.S.A., Colorado, Montrose County: San Miguel and Lower Dolores River Drainages: ca 0.1 mi SE of Delta-Nucla Road; ca 3 air mi NE of Nucla.
Pinyon and juniper in thin soils on Dakota sandstone; low diversity. Phenology: fruiting.

U.S.A., Colorado, Mesa County: San Miguel and Lower Dolores River Drainages: Casto Draw: ca 3.5 mi from Colo Hwy 141 on Road 6.3.
Pinyon-juniper. Phenology: fruiting.

U.S.A., Colorado, Mesa County: San Miguel and Lower Dolores River Drainages: Tenderfoot Mesa at Liberty Bell #2 Mine.
Sandstone ledges with pinyon and juniper. Phenology: fruiting.

U.S.A., Utah, Grand County: [location and coordinates withheld]
Dry creek bed with pinyon and juniper. Phenology: fruiting.

U.S.A., Colorado, Gunnison County: Southern Gunnison Basin: Curecanti National Recreation Area: between U.S. Hwy 50 and Blue Mesa Reservoir, W of Willow Creek, ca 3.2-3.7 air mi W of intersection of U.S. Hwy 50 and Colo Hwy 149.
Sagebrush shrubland. Phenology: flowering.
Accession: RM 748483

U.S.A., Colorado, Gunnison County: Southern Gunnison Basin: County Road 32 at Saguache County, ca 5.2 air mi ESE of Blaine Rock; ca 9 air mi SSW of Gunnison.
Sagebrush shrubland. Phenology: flowering.
Accession: RM 748482

U.S.A., Colorado, Gunnison County: Southern Gunnison Basin: northeast flank of Flat Top, ca 1 air mi SSW of intersection of U.S. Hwy 50 and Colo Hwy 114; ca 8 air mi ESE of Gunnison.
Sagebrush shrubland. Phenology: flowering.

U.S.A., Colorado, Gunnison County: Southern Gunnison Basin: E of South Beaver Creek, ca 4.6 air mi S of intersection of U.S. Hwy 50 and County Road 32; ca 5.8 air mi E of Blaine Rock; ca 6.8 air mi SSW of Gunnison.
Douglas fir/sagebrush rockland. Phenology: flowering.

U.S.A., Colorado, Gunnison County: Southern Gunnison Basin: ca 1.3 air mi NE of Tolvar Peak; ca 6 air mi NW of Soderquist Reservoir; ca 13.8 air mi NNE of Powderhorn Lakes.
Sagebrush/juniper/Douglas fir in steep, rocky, upper canyon slopes and rim. Phenology: flowering & fruiting.

U.S.A., Colorado, Montrose County: Upper Dolores River Drainage and Adjacent Areas: 2.25 air mi N of Paradox; ca 25 air mi NNW of Nucla, small draw across County Road 6.00, W of old Paradox dump.
Elev. 1700 m.
Small draw with rabbitbrush, sagebrush, pinyon, and juniper. Phenology: flowering.

U.S.A., Colorado, Montrose County: Upper Dolores River Drainage and Adjacent Areas: Bull Canyon Area, ca 13 air mi SE of Paradox; County Road DD19 to County Road FF16 to Bull Canyon.
Elev. 1900 m.
South-southeast facing pinyon-juniper zone in cryptogamic soil; Cercocarpus and Artemisia present. Phenology: flowering & fruiting.

U.S.A., Colorado, Montezuma County: Upper Dolores River Drainage and Adjacent Areas: Four Corners Archery Range, County Fairground turnoff; 3.5 air mi E of Cortez.
Elev. 1950 m.
Sagebrush, pinyon, juniper and rabbitbrush; cryptogamic soil. Phenology: flowering.
with Marie Rambo and Carlann Defontes

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.
Pinyon, juniper, saltbrush, Artemisia, Cercocarpus, Amelanchier, antelope brush, and rabbitbrush on cryptogamic soil. Phenology: flowering & fruiting.
with Marie Rambo

U.S.A., Colorado, San Miguel County: Upper Dolores River Drainage and Adjacent Areas: Slick Rock area off Colo Hwy 141, ridge top before highway drops down into Slick Rock, ca 40.5 air mi SW of Nucla.
North-facing pinion-juniper zone with Cercocarpus and oak. Phenology: flowering.
with Marie Rambo

U.S.A., Colorado, San Miguel County: Upper Dolores River Drainage and Adjacent Areas: Slick Rock area off Colo Hwy 141, ca 39.5 air mi SW of Nucla.
Pinyon-juniper zone with Fendler brush, Cercocarpus, and Amelanchier in cryptogamic soil. Phenology: flowering & fruiting.
with Marie Rambo

U.S.A., Colorado, Montezuma County: Upper Dolores River Drainage and Adjacent Areas: Negro Canyon area, off County Road Y, ca 19 air mi S of Dove Creek.
Pinyon-juniper zone with Quercus, antelope brush, and Cercocarpus in cryptogamic soil. Phenology: flowering & fruiting.

U.S.A., Colorado, Montezuma County: Upper Dolores River Drainage and Adjacent Areas: ca 17.5 air mi S of Dove Creek, side road ca 0.25 road mi W of County Road Y, on ridge between Hovenweep Canyon and Negro Canyon.
Pinyon-juniper zone with Artemisia, antelope brush, and Cercocarpus. Phenology: fruiting.

U.S.A., Colorado, Montrose County: Upper Dolores River Drainage and Adjacent Areas: ca 20 air mi WNW of Nucla; adjacent to Colo Hwy 90, ca 2 road mi SW of Paradox.
Pinyon-juniper and Yucca. Phenology: flowering & fruiting.

U.S.A., Colorado, Montrose County: Upper Dolores River Drainage and Adjacent Areas: Wedding Bell Mountain, 14 air mi SW of Nucla on County Road U29.
Pinyon-juniper, Artemesia, greasewood, Atriplex on sloped area facing west and disturbed from past mining. Phenology: flowering & fruiting.

U.S.A., Colorado, Montrose County: Upper Dolores River Drainage and Adjacent Areas: Paradox Valley Area, ca 16 air mi W of Nucla on Davis Mesa along County Road DD16.
Pinyon-juniper, Cercocorpus, Amelanchier, sagebrush, cryptogrammic soil on a north-facing slope. Phenology: flowering & fruiting.

U.S.A., Colorado, Montrose County: Upper Dolores River Drainage and Adjacent Areas: Wild Steer Mesa, County Road FF13, ca 17 air mi WSW of Nucla.
Pinyon-juniper, Purshia, Amelanchier, and Ephedra on cryptogrammic soil, southwest facing ridge. Phenology: flowering & fruiting.

U.S.A., Colorado, Montrose County: Upper Dolores River Drainage and Adjacent Areas: Lake Creek Spring, ca 2.5 road mi E of Utah border, N of Colo Hwy 90, ca 28 air mi W of Nucla.
Quercus, Amelanchier, pinyon-juniper, hanging garden under limestone cliff. Phenology: fruiting.

U.S.A., Colorado, Montrose County: Upper Dolores River Drainage and Adjacent Areas: Skein Mesa, Muleshoe Reservoir Area, Head of Spring Canyon, County Road DD15 and County Road DD9, ca 18 air mi W of Nucla.
Pinyon-juniper, Purshia, Ephedra, cryptogrammic soil and disturbed from past mining, south-facing. Phenology: flowering & fruiting.

U.S.A., Colorado, San Miguel County: Upper Dolores River Drainage and Adjacent Areas: East Island Mesa Spring, County Road Z1, ca 24 air mi SW of Nucla.
Pinyon-juniper, Ephedra, Purshia, and Salix surrounding seepage and spring with cryptogrammic soil and rimrock pavement. Southeast-facing slope. Phenology: flowering.

U.S.A., Colorado, Montrose County: Upper Dolores River Drainage and Adjacent Areas: Island Mesa, unmarked road just N of the county line, ca 24 air mi SW of Nucla.
Pinyon-juniper, Ephedra, Yucca, and Purshia on a northeast facing slope and ridge top. Phenology: flowering & fruiting.

U.S.A., Colorado, Montezuma County: Upper Dolores River Drainage and Adjacent Areas: ca 3 air mi W of Cortez, northwest side of ridge overlooking Alkali Canyon, Indian Camp Ranch, jeep trail W of County Road 23.
Pinyon-juniper, Ephedra, Purshia, Amelanchier, and Cercocarpus on south facing slope. Phenology: fruiting.

U.S.A., Colorado, Montezuma County: Upper Dolores River Drainage and Adjacent Areas: County Road 14.0 and County Road W, ca 13 air mi W of Cortez at the overlook of Rock Creek Canyon N of Woods Canyon.
Pinyon-juniper, and Ephedra on cryptogrammic soil and rimrock pavement, southwest facing ridge. Phenology: flowering & fruiting.

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: fruiting.

U.S.A., Colorado, Montezuma County: Upper Dolores River Drainage and Adjacent Areas: ca 12 air mi NW of Cortez at Burro Canyon, unmarked road W of County Road N.
Scattered pinyon-juniper woodland, Artemesia, Amelanchier, and Purshia on north-facing slope. Phenology: fruiting.

U.S.A., Colorado, Montezuma County: Upper Dolores River Drainage and Adjacent Areas: ca 9 air mi W of Cortez, ca 1 mile W of County Road 16, south side of County Road N, at Sand Canyon Peublo.
Dense pinyon-juniper and Quercus woodland, Artemesia, Purshia, Paraphyllum, Anasazi ruins present. South-facing slope. 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: fruiting.

U.S.A., Colorado, Montezuma County: Upper Dolores River Drainage and Adjacent Areas: ca 12 air mi NW of Cortez in Woods Canyon, County Road 15 and County Road U.
Thick pinyon juniper, Quercus, and artemesia. Phenology: flowering & fruiting.

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: fruiting.

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: fruiting.

U.S.A., Colorado, San Miguel County: Upper Dolores River Drainage and Adjacent Areas: Disappointment Valley, ca 13 air mi NE of Dove Creek on Mineral Mountain Road, County Road K20.
Pinyon-juniper with scattered Artemisia and Purshia on north facing slopes. Phenology: flowering & fruiting.
Annotated by Ihsan A. Al-Shehbaz on 9//2009.

U.S.A., Colorado, Montezuma County: [location and coordinates withheld]
Pinyon-juniper woodland, Amelanchier, Cercocarpus, and Artemisia; north-northwest-facing slopes, and seepage area. Phenology: fruiting.

U.S.A., Colorado, Montezuma County: Upper Dolores River Drainage and Adjacent Areas: ca 2 air mi E of Cortez, NW of Montezuma County Fairgrounds, along McElmo Creek.
Pinyon-juniper, Artemisia, and rabbitbrush along creek with selenium odor; south-facing slopes. Phenology: fruiting.

U.S.A., Colorado, Montezuma County: [location and coordinates withheld]
Pinyon-juniper woodland, Purshia, Amelanchier, and scattered Artemesia on southeast-facing slopes. Phenology: fruiting.
with Fallon Judkins and Carlann Defontes

U.S.A., Colorado, Montrose County: Upper Dolores River Drainage and Adjacent Areas: ca 24 air mi WNW of Naturita N of Hwy 90, ca 0.75 road mi E of Utah State Line.
Drainage area with dense pinyon-juniper, boxelder, and ponderosa on a south facing slope; old mining area at upper end of canyon. Phenology: flowering.
Annotated by Ihsan A. Al-Shehbaz on 9//2009.

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: fruiting.

U.S.A., Colorado, Montezuma County: Upper Dolores River Drainage and Adjacent Areas: ca 5 air mi WSW of center of Cortez.
Pinyon-juniper woodland with sandstone caprock, some shale on slopes, and roadside. Phenology: flowering & fruiting.

U.S.A., Colorado, Montezuma County: Upper Dolores River Drainage and Adjacent Areas: ca 25 air mi WSW of center of Cortez.
Sandstone caprock, canyons, some shale below, and an active sand dune; pinyon-juniper and grasslands. Phenology: fruiting.

U.S.A., New Mexico, Rio Arriba County: Santa Fe National Forest and Vicinity: Jemez Mountains: Cuba Mesa: County Road 88 at radiotower, 3 air mi W of Cuba. Within 0.3 air mi of N36.033 W107.009
Ponderosa pine forest with pinyon, mountain mahogony, and Gambels oak below; exposed sandstone bedrock and some bluffs in drainages. Phenology: flowering & fruiting.

U.S.A., Wyoming, Lincoln County: Ca 1 mi N or Nugget.
Sagebrush community, Wasatch formation. Phenology: flowering.
with J. Kass

U.S.A., Arizona, Coconino County: North Kaibab National Forest; Fishtail Mesa.
T35N R3W S12
Phenology: flowering & fruiting.
Annotated by JWR.
Accession: RMRS (unaccessioned)

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., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Tunp Range: Gooseberry Spring and vicinity between Boulder and Rock Creek ridges, ca 25 air mi WNW of Kemmerer; ca 6 air mi NE of Sage Junction.
Clay sagebrush slopes below rimrock. Phenology: flowering & fruiting.
with Russ Nelson

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Tunp Range: North Fork Leeds Creek coming off Rock Creek Ridge, ca 11 air mi SSE of Cokeville; ca 26 air mi NW of Kemmerer.
Sagebrush slopes back of rimrock with scattered Amelanchier and Cercocarpus. Phenology: flowering.
with Russ Nelson

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Gannett Hills : 0.5-1 air mi E of Idaho; 13 air mi N of Border Junction.
South exposure, steep rocky slopes and grassy or sagebrush ridge and wet roadside below. Phenology: flowering.
with Bruce Embury

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Tunp Range: Big Hill, 0.5 air mi E of Cokeville.
Grassy hill with sagebrush slopes, limestone outcrops and eroded areas. Phenology: flowering.
with Bruce Embury

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

U.S.A., Colorado, Routt County: Flat Tops/White River Plateau: Williams Fork Mountains: above East Fork Williams Fork, ca 13 air mi SSW of Hayden; ca 28 air mi WSW of Steamboat Springs.
Base of cliffs.

U.S.A., Colorado, Garfield County: [location and coordinates withheld]
Dry southwest-facing slopes, shale and clay, with juniper, pinyon pine, and prickly pear.
James P. Vanderhorst, 2159. 5/25/1991.

U.S.A., Colorado, Garfield County: [location and coordinates withheld]
Dry south-facing slopes and ridgetop, with juniper, pinyon pine, and Ephedra.
James P. Vanderhorst, 2234. 5/27/1991.

U.S.A., Colorado, Eagle County: Flat Tops/White River Plateau: slopes above Colorado River-Sweetwater Creek confluence, ca 19 air mi NE of Glenwood Springs.
Steep, dry south-facing sandstone and shale slopes and cliffs, with juniper, pinyon pine, and saltbush.
James P. Vanderhorst, 2318. 6/5/1991.

U.S.A., Colorado, Eagle County: [location and coordinates withheld]
Dry slopes above and around limestone cliffs, with sagebrush, pinyon pine, and juniper.

U.S.A., Colorado, Rio Blanco County: [location and coordinates withheld]
South slope, red shale, with juniper and sagebrush.

U.S.A., Colorado, Eagle County: Flat Tops/White River Plateau: ravine off east side of Colorado River; ca 16 air mi NE of Glenwood Springs, 3.8 road mi N of Dotsero.
Dry sandy ravine bottom with Pinus edulis, Juniperus, Rhus trilobata.
with Walter Fertig

U.S.A., Colorado, Garfield County: Flat Tops/White River Plateau: Main Elk Creek, ca 4 air mi NW of New Castle.
East exposure and ridge top, red shale and white sandstone, old burn with Juniperus osteosperma and Quercus gambelii grading above on sandstone Juniperus osteosperma-Amelanchier-Ephedra; juniper-serviceberry.
with James P. Vanderhorst

U.S.A., Colorado, Garfield County: [location and coordinates withheld]
Oak-juniper woodland in limestone and disturbed sites along road and at quarry; oak-pinyon.

U.S.A., Colorado, Rio Blanco County: Flat Tops/White River Plateau: Grand Hogback: ca 10 air mi SSW of Meeker.
Serviceberry with scattered patches of oak, pinyon-juniper, and sagebrush.

U.S.A., Colorado, Routt County: Flat Tops/White River Plateau: above Williams Fork, ca 13 air mi SSW of Hayden.
Sandstone and shale outcrop with oak, serviceberry, and chokecherry and roadside; rocky outcrops and adjacent ravine.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Washakie Basin: between Cherokee Basin and Cherokee Rim, ca 14.5 air mi W of Baggs.
T12N R94W S11
Draw, sandy soil. Phenology: fruiting.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Washakie Basin: southeast side of butte overlooking Sand Creek, ca 2 air mi W of McPherson Springs; ca 17.5 air mi WNW of Baggs.
Draw, sandy/gumbo soil. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: South-central Wyoming: southern extension of the bluffs NW of Baggs between the Little Snake River plain and Devils Canyon, ca 3 air mi W of Baggs.
T12N R92W S2
Sandy draws. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: South-central Wyoming: Washakie Basin: rim N and W of Red Creek, ca 2.5-3 air mi above the confluence of Red and Sand creeks; ca 9.5 air mi WNW of Baggs.
Sandy soil in draw. Phenology: fruiting.

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.
Sandy soil on top of The Glades. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Gannett Hills : 0.5-1 air mi E of Idaho; 13 air mi N of Border Junction.
South exposure, steep rocky slopes and grassy or sagebrush ridge and wet roadside below. Phenology: flowering.
with Bruce Embury

U.S.A., Wyoming, Lincoln County: [location and coordinates withheld]
Grassy hill with sagebrush slopes, limestone outcrops and eroded areas. Phenology: flowering.

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

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Tunp Range: Gooseberry Spring and vicinity between Boulder and Rock Creek ridges, ca 25 air mi WNW of Kemmerer; ca 6 air mi NE of Sage Junction.
Clay sagebrush slopes below rimrock. Phenology: flowering & fruiting.
with Russ Nelson

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Tunp Range: North Fork Leeds Creek coming off Rock Creek Ridge, ca 11 air mi SSE of Cokeville; ca 26 air mi NW of Kemmerer.
Sagebrush slopes back of rimrock with scattered Amelanchier and Cercocarpus. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Green River Basin: ca 13.5 air mi NE of Kemmerer.
Sandstone outcrops on mesa side. Phenology: flowering & fruiting.

U.S.A., Wyoming, Lincoln County: Green River Basin: south end of Slate Creek Ridge, ca 11.5 air mi NNE of Kemmerer.
Steep shale gap side. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Washakie Basin: Cherokee Rim above Little Snake River, ca 16 air mi W of Baggs and ca 1/2 air mi N of the state line.
On limestone bluff, west-facing slope, in open Juniperus osteospermia. Occasional. Phenology: fruiting.

U.S.A., New Mexico, Taos County: Sangre de Cristo Mountains: hills E of Pilar.
36.2682° N, 105.7837° W; NAD 83, uncertainty 1 mi., Nat. Geog. TOPO!
Phenology: flowering.

Streptanthus cordatus ()
U.S.A., Colorado, Grand County: Blue Valley Ranch.
40.0028° N, 106.37249° W; NAD 83, uncertainty 1 mi., Nat. Geog. TOPO!
Phenology: flowering & fruiting.
Cynthia Villa, 27CV. //.

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: Cedar Mountain, ca 5 air mi NW of McKinnon; ca 0.5 road mi N of Turtle Bluff Rim Road.
Loose clay and gravelly soils on steep, south-facing slope. Phenology: flowering & fruiting.
with Walter Fertig

U.S.A., Wyoming, Uinta County: Basins and Mountains of Southwest Wyoming: ca 6 air mi SE of Cumberland Gap; ca 14.2 road mi N of I-80 on east side of Wyo Hwy 412.
Alternating white shale and red sandy soils; juniper woodland. Phenology: buds.
with N. Duane Atwood

U.S.A., Wyoming, Uinta County: [location and coordinates withheld]
Ridgetop and slopes; alternating sandy and clay soils. Phenology: buds.

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: ca 0.5 to 1 air mi N of Henrys Fork W of County Road 1 on lower southeast slopes of Cedar Mountain, ca 40 air mi SW of Green River; ca 11 air mi NW of Manila, Utah.
Areas of scattered sagebrush and juniper. Phenology: flowering.
Annotated by C. H. Refsdal.
with C. H. Refsdal

U.S.A., Wyoming, Uinta County: Basins and Mountains of Southwest Wyoming: along Leavitt Creek below the south end of Cottonwood Bench, ca 7 air mi ESE of Mountain View; ca 39.5 air mi E of Evanston.
Stony, gravelly flats above the badlands. Phenology: flowering.
Annotated by C. H. Refsdal.

U.S.A., Wyoming, Uinta County: Basins and Mountains of Southwest Wyoming: Wildcat Butte between Church Butte Road and I-80 at Sweetwater County, ca 14.8 air mi NE of Lyman; ca 49 air mi ENE of Evanston.
Steep, stony, soft clay slopes with sparse vegetation. Phenology: flowering.
Annotated by C. H. Refsdal.

U.S.A., Wyoming, Uinta County: Basins and Mountains of Southwest Wyoming: Bridger Butte, ca 5.5 air mi WSW of Fort Bridger; ca 25.5 air mi E of Evanston.
Snow accumulation area on the lee side of the rim with juniper and mountain shrubs. Phenology: flowering & fruiting.

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., Utah, Daggett County: Southwestern Wyoming and Adjacent Utah: Flaming Gorge National Recreation Area: ca 4 air mi E of Manila.
Salt desert shrubs, scattered junipers, steep slopes, Morrison clays and Dakota sandstone. Phenology: flowering & fruiting.
with S. Goodrich

U.S.A., Wyoming, Uinta County: [location and coordinates withheld]
Gravelly dark loose clay soils with sandstone outcropping; scattered junipers, steep sagebrush slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Uinta County: Basins and Mountains of Southwest Wyoming: west side of Woodruff Narrows Resevoir, ca 13.5 mi N of Evanston on both sides of County Road 101.
Gentle semi-barren sagebrush slopes with red clay soils. Phenology: flowering & fruiting.

U.S.A., Wyoming, Uinta County: Basins and Mountains of Southwest Wyoming: ca 13 air mi E of Evanston on north side of dirt road.
Scattered junipers, steep slopes with red clay soils and sandstone outcropping; some scattered limestone with sandy soils. Phenology: flowering.
with Larry Refsdal

U.S.A., Wyoming, Uinta County: [location and coordinates withheld]
Rolling sagebrush slopes with alternating red clay soils and gray sands. Phenology: flowering & fruiting.

U.S.A., Wyoming, Lincoln County: Basins and Mountains of Southwest Wyoming: Oyster Ridge, ca 2 air mi S of Kemmerer on north side of U.S. Hwy 30 along the Hams Fork.
Steep sandstone bed with lichens, west aspect. Phenology: flowering & fruiting.
with Larry Refsdal

U.S.A., Wyoming, Uinta County: Basins and Mountains of Southwest Wyoming: east end of Sage Creek Mountain, ca 5.3 air mi N of Lonetree.
Ridgetop and east aspect, cushion plants, sandy soils with conglomerate. 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., Nevada, Elko County: Ruby Mountains: ca 18 air mi SSE of Jiggs.
T27N R57E S32; also S33
Rocky alpine slopes and summit; calcareous substrate. Phenology: flowering.
1. Streptanthus cordatus Nutt..

U.S.A., Wyoming, Lincoln County: Basins and Mountains of Southwest Wyoming: ca 7.3 air mi SW of Kemmerer, 4.6 mi S on County Road 328, then 1.5 mi SW on two track.
Bright alkaline semi-barren gentle slopes, Gutierrezia. Phenology: fruiting.

U.S.A., Wyoming, Lincoln County: Basins and Mountains of Southwest Wyoming: ca 8.2 air mi SW of Kemmerer, 4.6 mi S on County Road 328, then ca 3.5 mi SW on two track.
Gentle semi-barren slopes with yellowish clay soils. Phenology: fruiting.

Streptanthus cordatus var. cordatus (2005)
Streptanthus cordatus Nutt. var. cordatus
U.S.A., Arizona, Coconino County: Kaibab National Forest: Kaibab Plateau: between U.S. Hwy 89A and House Rock Canyon in the vicinity of the scenic overlook, ca 8-8.5 air mi E of Jacob Lake; ca 29.5-30 air mi SE of Fredonia.
Steep slopes above the canyon with limy ledges. Phenology: flowering.
with James F. Fowler

Streptanthus cordatus var. cordatus (2010)
Streptanthus cordatus Nutt. var. cordatus
U.S.A., Colorado, Mesa County: Colorado River Valley: just SW of Samson Mesa in Smith Gulch, ca 3.5 air mi ENE of De Beque.
Slopes of a draw, clay and sandy slope with junipers below sandstone outcrops and ridgetop. Phenology: flowering & fruiting.
with Lori E. Brummer, Michael K. Kirkpatrick, Josh Irwin, Ronald L. Hartman
Accession: USFS (unaccessioned)

Streptanthus cordatus var. cordatus (2010)
Streptanthus cordatus Nutt. var. cordatus
U.S.A., Colorado, Mesa County: Battlement Mesa: west end of the mesa along Horsethief Creek on V or Sunnyside Road, ca 2.5 air mi SE of De Beque.
Clay and sandy clay slopes below sandstone cliffs, with juniper and sagebrush. Phenology: flowering.
with Ronald. L. Hartman, Johnny Proctor, Lori E. Brummer, Michael K. Kirkpatrick, Josh Irwin
Accession: USFS (unaccessioned)

U.S.A., Colorado, Garfield County: Northwest corner of Grass Mesa, E of Helmer Gulch, ca 1 air mi SSW of Rifle.
Clay slopes. Phenology: flowering.
with Michael K. Kirkpatrick
Accession: USFS (unaccessioned)

U.S.A., Colorado, Garfield County: Northwest corner of Grass Mesa, 0.5 mi E of Helmer Gulch and 1 mi SSW of Rifle.
Sagebrush slopes with scattered juniper and sparsely vegetated, erosive clay slopes. Phenology: flowering.
Michael K. Kirkpatrick, 46. 5/7/2010.
with B. E. Nelson

U.S.A., Colorado, Garfield County: Colorado River Valley: S of the Colorado River on the north flanks of High Mesa, ca 1.5-2 air mi SSW of Parachute.
Moderate-to-steep, west- to north- facing slopes of juniper woodland with forb understory; clay soils derived from basalt. Phenology: flowering.
Michael K. Kirkpatrick, 83. 5/9/2010.

U.S.A., Colorado, Garfield County: Ca 1 air mi NE of confluence of Cattle Creek and Roaring Fork River, ca 5 air mi NNW of Carbondale.
Mesa rim with scattered pinyon. Phenology: flowering.
Michael K. Kirkpatrick, 166. 5/12/2010.

U.S.A., Colorado, Mesa County: White River National Forest: southwestern corner of the Forest between Little Horsethief Creek and Sunnyside Reservoir, bordering BLM lands to the W, ca 4-5 air mi SSE of De Beque at the intersection of I-70 and De Beque Cutoff Road.
Ridgetops of juniper woodland with shrub understory and scattered pinyon pine; brown sandy-clay soil. Phenology: flowering.

U.S.A., Colorado, Mesa County: Between Smith Creek and Alkali Creek, S of Samson Mesa, ca 6 air mi ESE of De Beque.
Adobe hills and slopes with sagebrush, greasewood and scattered juniper. Phenology: flowering & fruiting.

U.S.A., Colorado, Mesa County: Black Mountain, W of the De Beque Cutoff Road, ca 8-9 air mi SSE of De Beque.
Juniper woodland with scattered sagebrush on eastern flanks of mountain below sandstone and shale outcrops. Phenology: flowering & fruiting.

U.S.A., Colorado, Garfield County: Battlement Mesa: between Cottonwood and Battlement creeks, SW of Holms Mesa, ca 11 air mi WSW of Rifle.
Rocky north-facing slopes with sagebrush and scattered juniper. Phenology: flowering.

U.S.A., Colorado, Mesa County: Colorado River Valley: Monument Canyon off of De Beque Canyon, ca 4 air mi NNE of junction of Colo Hwy 65 and I-70.
Ridge through outcrop to upper ridge in juniper woodland. Phenology: flowering.
with Michael K. Kirkpatrick, Josh Irwin

U.S.A., Colorado, Mesa County: Colorado River Valley: unnamed side canyon E of De Beque Canyon, N of Kimbell Mesa, ca 21 air mi ENE of Grand Junction.
Sandy, cobbly slopes with juniper. Phenology: flowering.

U.S.A., Colorado, Mesa County: N of Shire Gulch between De Beque Cutoff Road and Sunnyside Road, ca 7 air mi SSE of De Beque at the intersection of I-70 and De Beque Cutoff Road.
Sandy slopes and boulder fields with juniper, pinyon and ephedra below sandstone cliffs. Phenology: flowering.

U.S.A., Colorado, Mesa County: Colorado River Valley: mesas on either side of Little Horsethief Creek, S of Sunnyside Road, ca 3 air mi NW of Horsethief Mountain and ca 2 air mi SE of De Beque.
Sagebrush meadow and slopes with scattered juniper and mixed grass-forb understory. Phenology: flowering & fruiting.

U.S.A., Colorado, Mesa County: Unnamed mesa N of Plateau Creek, ca 6 air mi E of Colo Hwy 65 at I-70 and ca 5 air mi W of Molina.
Sandy slopes and cracks in sandstone cliffs with scattered sagebrush. Phenology: flowering & fruiting.
Accession: USFS 898638, Barcode: USFS0060160

U.S.A., Colorado, Mesa County: Battlement Mesa: creek below Bull Basin from waterfall to confluence with Little Alkali Creek, ca 2 air mi NW of Housetop Mountain and ca 7 air mi SSW of Parachute.
Juniper woodland at edge of ruderal meadow. Phenology: flowering.

U.S.A., Colorado, Mesa County: Battlement Mesa: hills and slopes N of Pete and Bill Creek and S of High Mesa, ca 5 air mi N of Horse Mountain and ca 4 air mi S of Parachute.
Juniper woodland with sagebrush in openings. Phenology: flowering & fruiting.

U.S.A., Colorado, Mesa County: Colorado River Valley: canyon SE of De Beque Reservoir, ca 1 air mi NNE of De Beque off of the W.50 Road.
Sandy slopes with juniper, mountain shrubs, and sagebrush. Phenology: flowering & fruiting.

U.S.A., Colorado, Garfield County: Colorado River Valley: W of the mouth of Smith Gulch, N of I-70 along a frontage road, ca 5 air mi SW of Parachute.
Ruderal meadow (including pipeline corridor) with greasewood, cheatgrass, and other weedy species. Phenology: flowering & fruiting.

U.S.A., Colorado, Mesa County: Battlement Mesa: White River National Forest: Little Alkali Creek Canyon upstream of confluence with creek leading to Bull Basin, ca 7 air mi E of De Beque.
Juniper woodland above creek bed with scattered oak stringers. Phenology: flowering & fruiting.

U.S.A., Colorado, Pitkin County: White River National Forest: Perham Creek, between Assignation Ridge and the Crystal River, ca 9 air mi S of Carbondale.
Dry, rocky, south-facing slope with oak, pinyon pine, juniper, and mountain shrubs. Phenology: flowering & fruiting.

U.S.A., Colorado, Delta County: Grand Mesa: south slopes off of Alkaili Basin Road, ca 8 air mi NNW of Delta.
Pinyon/juniper. Phenology: flowering & fruiting.
1. Streptanthus cordatus Nutt. var. cordatus .

U.S.A., Colorado, Mesa County: Uncompaghre Plateau: above Milbern Bench, E of Ninemile Road, ca 3 air mi SW of Whitewater.
Pinyon/juniper on sandstone mesa top. Phenology: flowering & fruiting.
1. Streptanthus cordatus Nutt. var. cordatus .

U.S.A., Colorado, Delta County: Fruitland Mesa: Black Ridge, end of Black Ridge Road, W of landing strip on edge of mesa, ca 8 3/4 air mi SW of Hotchkiss.
Dry pinyon/juniper. Phenology: flowering & fruiting.
1. Streptanthus cordatus Nutt. var. cordatus .

U.S.A., Colorado, Mesa County: Uncompahgre Plateau: Dominguez Canyon: Dominguez Canyon Trailhead at Dominguez Campground to ca 2 trail mi downstream, ca 25 air mi WSW of Delta.
Canyon in pinyon/juniper. Phenology: flowering & fruiting.

U.S.A., Colorado, Mesa County: N of Shire Gulch between De Beque Cutoff Road and Sunnyside Road, ca 7 air mi SSE of De Beque at the intersection of I-70 and De Beque Cutoff Road.
Sandy slopes and boulder fields with juniper, pinyon and ephedra below sandstone cliffs. Phenology: flowering.
Accession: USFS (unaccessioned), Barcode: USFS0060730

U.S.A., Colorado, Mesa County: Grand Valley: south end of Horse Mountain and slopes to the E, ca 3.5 air mi ESE of Palisade.
Stony slopes with volcanic rocks and scattered junipers. Phenology: flowering.
with Lori E. Brummer

U.S.A., Colorado, Montrose County: Gunnison Gorge National Conservation Area: Gunnison Gorge Wilderness: W of the Chukar Road, ca 8 air mi E of Olathe.
Pinyon/juniper in broad canyon. Phenology: flowering & fruiting.
1. Streptanthus cordatus Nutt. var. cordatus
Annotated by Lori E. Brummer.
with Lori E. Brummer

U.S.A., Colorado, Montrose County: Slopes above substation SE of Cimarron, NE of U.S. Hwy 50, ca 19.5 air mi E of Montrose.
Pinyon/juniper/mountain shrub community on steep rocky slope. Phenology: flowering.

U.S.A., Colorado, Mesa County: Dominguez Canyon Wilderness Study Area: Cactus Park Trail, 4.4 road mi SE of Colo Hwy 141, ca 22.5 air mi WNW of Delta.
Pinyon/juniper in sandstone canyon. Phenology: flowering & fruiting.

U.S.A., Colorado, Delta County: Dry Gulch, NNE of Petrie Mesa, ca 6 road mi from Devils Thumb Golf Club, ca 9 1/4 air mi NNW of Delta.
Pinyon/juniper forest on south-facing slope of clay soils with basalt boulders. Phenology: fruiting.

U.S.A., Colorado, Ouray County: BLM land adjacent to Billy Creek State Wildlife Area, ca 2.5 road mi E of U.S. Hwy 550 on County Road 2 and 2A, then on jeep road just outside Division of Wildlife boundary, ca 15 air mi SSE of Montrose.
Pinyon/juniper woodland on steep, rocky, south-facing slopes. Phenology: fruiting.

U.S.A., Colorado, Mesa County: Grand Mesa: Lands End Road, ca 17 air mi SE of Grand Junction.
Pinyon/juniper forest. Phenology: flowering.

U.S.A., Colorado, Montrose County: Gunnison Gorge National Conservation Area: Duncan Road Trailhead area, ca 12 air mi N of Montrose.
Sandstone pavement over clay soils in pinyon/juniper. Phenology: flowering & fruiting.

U.S.A., Colorado, Delta County: Uncompahgre Plateau: Escalante Canyon, McCarthy Trail, ca 11.5 air mi W of Delta.
Juniper grasslands on clay hillsides with sandstone mesa tops. Phenology: flowering & fruiting.

U.S.A., Colorado, Mesa County: Grand Mesa: Kannah Creek, Spring Camp Trail, ca 18.5 air mi SE of Grand Junction.
Pinyon/juniper woodland on the slopes of mesa. Phenology: flowering.

U.S.A., Colorado, Mesa County: Atwell Gulch area off of V Road, ca 6 road mi WNW of Colo Hwy 330, ca 27 air mi NE of Grand Junction.
Gulch and surrounding hills with scattered pinyon/juniper. Phenology: flowering.

U.S.A., Colorado, Mesa County: Grand Mesa: Crystal Mountain Road E of Mesa, ca 20.5 air mi ENE of Grand Junction.
Pinyon/juniper forest on basalt boulder topped mesa. Phenology: flowering.

U.S.A., Colorado, Mesa County: Plateau Valley: lower north slopes of Indian Peak, ca 25 air mi NE of Grand Junction.
Scattered juniper and desert grassland on clay hills with sandstone outcrops. Phenology: flowering & fruiting.

U.S.A., Colorado, Montrose County: Uncompahgre Plateau: mesa top and canyon rim above Spring Creek Canyon, off Dave Wood Road near lower Spring Creek Canyon Trailhead, ca 6.5 air mi SW of Montrose.
Pinyon/juniper woodland on sandstone mesa top. Phenology: flowering.

U.S.A., Colorado, Montrose County: Uncompahgre Plateau: Freshet Draw, W of Happy Canyon, ca 6 air mi SSW of Montrose.
Pinyon/juniper forest on sandstone mesa. Phenology: flowering & fruiting.

U.S.A., Colorado, Ouray County: Uncompahgre Plateau: Log Hill Mesa; east slope of McKenzie Butte, ca 16 air mi SSE of Montrose.
Pinyon/juniper on shale slopes with sandstone outcrops. Phenology: flowering & fruiting.

U.S.A., Colorado, Montrose County: Uncompahgre Basin: Gunnison Gorge National Conservation Area: ridge along Bobcat Road, ca 6 air mi ENE of Olathe.
Desert grassland with scattered pinyon/juniper on shale hillsides with sandstone outcrops. Phenology: fruiting.

U.S.A., Colorado, Montrose County: Uncompahgre Basin: BLM lands N of Buckhorn Road, ca 10-11.5 air mi SE of Montrose.
Pinyon/juniper on clay hills with basalt boulders. Phenology: flowering & fruiting.

U.S.A., Colorado, Montrose County: Uncompahgre Plateau: Spring Creek Canyon from BLM boundary to West Fork Spring Creek, ca 14 air mi SW of Montrose.
Pinyon/juniper woodland. Phenology: flowering & fruiting.

U.S.A., Colorado, Montrose County: Uncompahgre Basin: hills SE of Cedar Creek, ca 10 air mi SE of Montrose.
Pinyon/juniper woodland. Phenology: fruiting.