Pediocactus simpsonii (1997)
CACTACEAE
Pediocactus simpsonii (Engelm.) Britton & Rose
U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: along Second Cottonwood Draw and vicinity, ca 26 air mi SE of Rawlins; ca 7 air mi NW of Saratoga.
Sandy areas dominated by Carex filifolia or areas of sagebrush. Phenology: fruiting.
Annotations:
1. Pediocactus simpsonii (Engelm.) Britton & Rose
Annotated by Amy J. Roderick.
with Amy J. Roderick
Accession: RM (unaccessioned)

Pediocactus simpsonii (2002)
CACTACEAE
Pediocactus simpsonii (Engelm.) Britton & Rose
U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: Red Hills ca 0.5-1 air mi WSW of Dugout Bench Mark, ca 46.5 air mi N of Douglas; ca 13 air mi N of Bill.
Steep sagebrush scoria slopes. Phenology: buds.
Annotations:
1. Pediocactus simpsonii (Engelm.) Britton & Rose
Annotated by Peter J. Ebertowski.
with Peter Ebertowski
Accession: RM (unaccessioned)

Pediocactus simpsonii (1997)
CACTACEAE
Pediocactus simpsonii (Engelm.) Britton & Rose
U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Lone Tree Road (BLM 3141) N of Wyo Hwy 487 adjacent to Shirley Ridge, ca 8 air mi NW of Shirley Basin Townsite.
Break in Shirley Ridge with limber pine and some Douglas fir below rim, calcareous outcrops, some sandy areas, and a shrub zone below. Phenology: flowering.
with Amy J. Roderick
Accession: RM (unaccessioned)

U.S.A., Wyoming, Carbon County: [location and coordinates withheld]
Barren calcareous areas with cushion plants below, robust sagebrush on east slope, and sparse vegetation on west slope. Phenology: flowering.
with Amy J. Roderick

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Whiskey Gap and E up hogback.
Sandstone and limestone south exposure, also area below around spring. Phenology: fruiting.
Annotations:
1. Pediocactus simpsonii (Engelm.) Britton & Rose
Annotated by Amy J. Roderick.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: Elk Mountain: saddle S of Elk Mountain, Pass Creek Canyon, ca 100-200 yds N of Pass Creek, ca 20 air mi S of Hanna.
Elev. 7500 ft.
Sagebrush grass on low angled south facing slope; Artemisia tridentata, Poa secunda, and scattered forbs and shrubs. Phenology: flowering.
with Stuart Markow
Accession: (unaccessioned)

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

U.S.A., Colorado, Grand County: Arapaho National Forest: Williams Fork Mountains: at the forest boundary on Forest Road 200, ca 0.5 mi N of Haystack Mountain, ca 2 air mi N of Green Mountain Reservoir, ca 11 air mi SSE of Kremmling.
Rocky sagebrush slope. Phenology: flowering & fruiting.
Annotated by Erin Foley.
with Erin and Michael Foley

U.S.A., Colorado, Grand County: Gore Range: along Trough or County Road 1 on the east side of Hartman Mountain, ca 2 air mi ENE of Radium; ca 10 air mi SW of Kremmling.
Stony sagebrush slopes. Phenology: flowering & fruiting.
Annotated by Erin Foley.
with Erin Foley

U.S.A., Colorado, Grand County: Gore Range: ca 8 air mi SW of Kremmling off County Road 1or Trough Road, ca 8.5 mi S of the junction of County Road 1 and Colo Hwy 9, along the Colorado River.
Pinyon/juniper/sagebrush steppe. Phenology: flowering.

U.S.A., Colorado, Grand County: Gore Range: ca 8 air mi SW of Kremmling off County Road 1or Trough Road, ca 8.5 mi S of the junction of County Road 1 and Colo Hwy 9, along the Colorado River.
Pinyon/juniper/sagebrush steppe. Phenology: fruiting.

U.S.A., Colorado, Grand County: Gore Range: Dry Gulch Spring, ca 1.5 air mi S of Radium and ca 1.5 air mi E of the Colorado River.
Rocky slope in pinyon/juniper forest. Phenology: fruiting.

U.S.A., Colorado, Grand County: Middle Park: ca 3.5 air mi SW of Kremmling along Elliott Creek.
In bed of dry creek. Phenology: flowering.

U.S.A., Colorado, Grand County: Gore Range: ca 0.5 mi N of Radium along the Colorado River.
Elev. 6800 ft.
Along river and sandy flats. Phenology: flowering.

U.S.A., Colorado, Grand County: Middle Park: Junction Butte area, ca 4 air mi SE of Kremmling and ca 8 air mi WSW of Parshall, 1 air mi N of Moore Reservoir.
Sagebrush steppe. Phenology: flowering.

U.S.A., Colorado, Grand County: Middle Park: ca 3.5 air mi ESE of Hot Sulphur Springs and 6 air mi WSW of Granby.
Steep rocky southwest-facing sagebrush slope. Phenology: fruiting.

U.S.A., Colorado, Grand County: Middle Park: just S of Horse Gulch off County Road 22, ca 2.5 air mi NE of Kremmling and ca 3.5 air mi SE of Wolford Mountain.
Southeast-facing sagebrush slope. Phenology: fruiting.

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Popo Agie River Drainage: banks of Beaver Creek, ca 2.5 air mi N of Schoettlin Mountain; ca 4 air mi SE of Weiser Pass.
Moist creekside with dense grasses and scattered sagebrush; rocky sandy soil. Phenology: vegetative only.
Accession: (unaccessioned)

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Ferris Mountains: Miners Canyon on northeastern side of range, ca 16 air mi N of Independence Rock.
Elev. 8200 ft.
Subalpine fir and gravelly ridge with limber pine. Phenology: vegetative only.
with Kevin J. Taylor

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

U.S.A., Wyoming, Fremont County: Upper North Platte and Laramie River Drainages: E of Agate Flat or BLM Road 2404, ca 15.7 air mi NW of Three Forks Junction; ca 9 air mi NE of Jeffrey City.
Sagebrush grassland in sandy soil. Phenology: fruiting.
with Pamela Foster

U.S.A., Colorado, Chaffee County: Central Colorado: Sawatch Range, East Slope Continental Divide: N of Clear Creek Resevoir, ca 16 air mi S of Leadville; ca 1.5 air mi S of Granite.
Sagebrush steppe, on south aspect. Phenology: flowering.

U.S.A., Colorado, Eagle County: Central Colorado: Hardscrabble Mountain Area, West Slope Continental Divide: at junction of County roads 76 and 76A, ca 3.5 air mi SE of Dotsero; ca 4.5 air mi WSW of Gypsum.
Open hillside with sagebrush steppe. Phenology: fruiting.

U.S.A., Colorado, Chaffee County: Central Colorado: Sawatch Range, East Slope Continental Divide: O'Haver Lake area, on County Road 200, 3.4 road mi from U.S. Hwy 285, ca 7.5 air mi SW of Poncha Springs.
Pinus ponderosa with Populus tremuloides woodland at lake front. Phenology: flowering.

U.S.A., Colorado, Chaffee County: Central Colorado: Sawatch Range, East Slope Continental Divide: angle of Shavano Trail Head and Colorado Trail, off County Road 240, ca 4 air mi NNW of Maysville.
Pseudotsuga menziesii at the base of rock with open Cercocarpus montanus, north-northwest aspect. Phenology: flowering.

U.S.A., Colorado, Chaffee County: Central Colorado: Sawatch Range, East Slope Continental Divide: near Heckendorf State Wildlife Area, 0.7 road mi on County Road 368 from County Road 361, ca 5.5 air mi NW of Buena Vista.
Shortgrass prairie with Bouteloua gracilis, sagebrush, and Leptodactylon. Phenology: vegetative only.

U.S.A., Colorado, Chaffee County: Central Colorado: Sawatch Range, East Slope Continental Divide: Willard Spring area, 4 road mi on County Road 181, from Forest Service sign on County Road 175, ca 4.5 air mi NE of Salida.
Mixed conifer (Pinus ponderosa and Pseudotsuga menziesii). Phenology: flowering.

U.S.A., Colorado, Lake County: Central Colorado: Mosquito Range, East Slope Continental Divide: off Beaver Lakes Road, ca 4 air mi S of Leadville.
Sagebrush steepe, south aspect and mesa top. Phenology: vegetative only.

U.S.A., Colorado, Chaffee County: Central Colorado: Sawatch Range, East Slope Continental Divide: Willow Creek area, 2.3 road mi on County Road 222 from junction of County roads 221 and 220, ca 1.5 air mi S of Maysville; ca 11 air mi W of Salida.
Mixed conifer (Pinus ponderosa, P. edulis, Juniperus) with aspen/maple riparian area. Phenology: flowering.

U.S.A., Colorado, Chaffee County: Central Colorado: Sawatch Range, East Slope Continental Divide: Pass Creek, 3 air mi W of Poncha Springs.
Pinyon-juniper covered slope with irrigation ditch. Phenology: fruiting.
Annotated by Emily A. Holt.
with Emily Holt

U.S.A., Colorado, Chaffee County: Central Colorado: Sawatch Range, East Slope Continental Divide: ca 7 air mi WNW of Poncha Springs.
Pinyon-juniper wooded slope. Phenology: fruiting.
Annotated by Emily A. Holt.
with Emily Holt

U.S.A., Colorado, Chaffee County: Central Colorado: Mosquito Range, East Slope Continental Divide: Browns Canyon on the Arkansas River, ca 10 air mi NW of Salida.
Granite rock outcrops and area along river. Phenology: flowering & fruiting.
Annotated by Emily A. Holt.
with Emily Holt

U.S.A., Colorado, Eagle County: Central Colorado: Castle Peak Area, West Slope Continental Divide: Trail Gulch on BLM Road 301, ca 7 air mi NNW of Gypsum.
Gypsum barren slopes. Phenology: vegetative only.

U.S.A., Colorado, Eagle County: Central Colorado: Hardscrabble Mountain Area, West Slope Continental Divide: BLM Road 110, ca 4 air mi SE of Eagle.
Slope with scattered pinyon pine and areas of dense mountain mahogany; gypsum deposits abundant. Phenology: flowering.

U.S.A., Colorado, Chaffee County: Central Colorado: Sawatch Range, East Slope Continental Divide: off County Road 321, ca 3.5 air mi W of Nathrop.
Ponderosa pine woodland with open areas. Phenology: flowering & fruiting.

U.S.A., Colorado, Chaffee County: Central Colorado: Mosquito Range, East Slope Continental Divide: County Road 315 along Shields Gulch, ca 6.5 air mi E of Buena Vista.
Pinyon pine hills with willows in drainage. Phenology: fruiting.

U.S.A., Colorado, Chaffee County: Central Colorado: Mosquito Range, East Slope Continental Divide: Limestone Ridge, ca 8.5 air mi E of Buena Vista.
Granite with limestone caprock. Phenology: flowering & fruiting.

U.S.A., Colorado, Chaffee County: Central Colorado: Mosquito Range, East Slope Continental Divide: Ruby Mountain and vicinity, ca 8 air mi SSE of Buena Vista.
Pinyon pine slopes. Phenology: flowering & fruiting.

U.S.A., Colorado, Chaffee County: Central Colorado: Sawatch Range, East Slope Continental Divide: along County Road 272, ca 5 air mi SW of Nathrop.
Grassland and ponderosa pine woodland. Phenology: fruiting.

U.S.A., Colorado, Eagle County: Central Colorado: Sawatch Range, West Slope Continental Divide: Seven Castles, Fryingpan or County Road 104, 4 road mi E of Basalt.
Pinyon pine slopes along power line. Phenology: fruiting.

U.S.A., Colorado, Chaffee County: Central Colorado: Sawatch Range, East Slope Continental Divide: 0.5 road mi E on County Road 324 from County Road 321, ca 5 air mi S of Buena Vista.
Relatively flat shortgrass prairie on sandstone derived soil. Phenology: flowering.

U.S.A., Colorado, Chaffee County: Central Colorado: Sawatch Range, East Slope Continental Divide: on County Road 212, 1 road mi from junction with County Road 210, ca 4 air mi WSW of Poncha Springs.
Pinyon forest on south aspect with sandstone and quartz derived soil. Phenology: flowering.

U.S.A., Colorado, Eagle County: Central Colorado: Castle Peak Area, West Slope Continental Divide: off west side of County Road 11 just above Colorado River, ca 2.5 air mi NE of State Bridge.
Mixed sagebrush steppe and pinyon-juniper woodland on east aspect of clay and volcanic derived soil. Phenology: flowering.

U.S.A., Colorado, Eagle County: Central Colorado: Castle Peak Area, West Slope Continental Divide: along road and S of 4WD road ca 2 road mi N of Trail Gulch Road (County Road 51) off County Road 30, ca 9 air mi NNW of Gypsum.
Heavy cattle use on sagebrush steppe on clay soil. Phenology: flowering.

U.S.A., Colorado, Eagle County: Central Colorado: Hardscrabble Mountain Area, West Slope Continental Divide: 1 road mi E on Cooley Mesa Road (County Road 102) from Forest Road 412, ca 1 air mi SE of Gypsum.
Sparse pinyon-juniper and sagebrush on clay and gypsum soil, along steep slopes. Phenology: flowering.

U.S.A., Colorado, Chaffee County: Central Colorado: Sawatch Range, East Slope Continental Divide: at hilltop off County Road 110, both sides of the road at the radio tower, ca 1 air mi SW of Salida.
Pinyon forest with steep bare slopes to N, soil of sandstone and Dry Union Formation. Phenology: flowering.

U.S.A., Colorado, Chaffee County: Central Colorado: Sawatch Range, East Slope Continental Divide: along County Road 175, shortly after dirt road ends and becomes public land, ca 3 air mi N of Salida.
Pinyon woodland on sandstone derived soil. Phenology: flowering.

U.S.A., Colorado, Chaffee County: Central Colorado: Sawatch Range, East Slope Continental Divide: Graphite Ridge area, on County Road 185 with marble quarry to E (mine), ca 8 air mi NNE of Salida.
Ponderosa and pinyon with bare slopes with Chrysothamnus and Cercocarpus, and marble-sandstone soils. Phenology: vegetative only.

U.S.A., Colorado, Chaffee County: Central Colorado: Mosquito Range, East Slope Continental Divide: along County Road 311, 1 road mi NW of U.S. Hwy 24, ca 1 air mi W of Trout Creek Pass, ca 9 air mi ENE of Buena Vista.
Ponderosa forest on south aspect. Phenology: flowering.

U.S.A., Colorado, Chaffee County: Central Colorado: Sawatch Range, East Slope Continental Divide: near the Crater, not far off Forest Road 181A, ca 5 air mi NE of Salida.
Mixed habitat, including roadside vegetation and pinyon-juniper woodlands. Phenology: flowering.

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: ca 7.5 air mi ENE of Gunnison.
Sagebrush slopes and along creek. Phenology: flowering.
Accession: 721551

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: 2 air mi NE of Parlin.
Sagebrush meadow Phenology: flowering.
Accession: 721548

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: 2 air mi NE of Parlin.
Sagebrush meadow Phenology: flowering.
Accession: 721549

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: 3 air mi NE of Parlin.
Sagebrush meadow Phenology: flowering.

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin:
Dry open sagebrush meadow. Phenology: flowering.

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: ca 12 air mi E of Gunnison.
Sagebrush drainage. Phenology: flowering.

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: ca 3.5 air mi NE of Gunnison.
Sagebrush meadow. Phenology: flowering.

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin:
Sagebrush meadow. Phenology: flowering.

U.S.A., Colorado, Gunnison County: [location and coordinates withheld]
Sagebrush meadow and drainage. Phenology: flowering.

U.S.A., Colorado, Montrose County: Northern Gunnison Basin: mesa north of Gould Reservoir, ca 6.5 air mi SSE of Crawford.
South-facing slope and top of mesa; Juniperus, pinyon pine, Amelanchier, and Symphoricarpos. Phenology: flowering.

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

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.

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: southwest slope of McIntosh Mountain and on summit ridge, ca 5 air mi WNW of Gunnison.
Sagebrush slope. Phenology: flowering.

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

U.S.A., Colorado, Gunnison County: [location and coordinates withheld]
Sagebrush hills. Phenology: flowering.

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: ca 9 air mi E of Parlin.
North-facing sagebrush slope; Juniperus communis, Amelanchier, and Anemone patens (abundant). Phenology: flowering.

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: along Taylor River, ca 3.5 air mi N of Taylor Park Reservoir.
Sagebrush meadow and along river; Salix and Pentaphylloides. Phenology: flowering.

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: ca 2.5 air mi W of Almont.
Sagebrush hills and patches of aspen forest. Phenology: flowering.

U.S.A., Colorado, San Miguel County: San Miguel and lower Dolores River Drainages: ca 7 air mi S of Redvale, off Forest Road 607.
In pinyon and juniper. Phenology: flowering.

U.S.A., Colorado, Mesa County: San Miguel and Lower Dolores River Drainages: mesa between John Brown Canyon and Lumsden Canyon; ca 4 mi SW of Gateway, near viewpoint by power lines.
Pinyon, juniper, sagebrush, and mountain mahogany present. Phenology: flowering.

U.S.A., Colorado, Mesa County: San Miguel and Lower Dolores River Drainages: Wildcat Trail #640, S from Colo Hwy 141; ca 1 air mi W of Unaweep Divide.
With oak, pinyon, juniper, sage, and mountain mahogany. Phenology: flowering.

U.S.A., Colorado, Mesa County: San Miguel and Lower Dolores River Drainages: Uncompahgre Plateau.
Mesa with Artemisia and widely scattered pinyon and ponderosa. Phenology: vegetative only.

U.S.A., Colorado, Saguache County: Southern Gunnison Basin: Cochetopa Hills: along County Road UU13 W of Lost Ocho Mine, ca 3/4 air mi E of Cochetopa Canyon, ca 15.5 air mi SE of Gunnison; ca 9.5 air mi S of Parlin.
Stony sagebrush slopes. Phenology: flowering.
Annotated by Melanie Arnett.

U.S.A., Colorado, Gunnison County: Southern Gunnison Basin: ca 1.3 road mi on County Road 32B from intersection with County Road 38; ca 6.5 air mi S of intersection of County Road 38 and U.S. Hwy 50; ca 0.5 air mi N of Saguache County.
Rolling sagebrush shrubland. Phenology: flowering.

U.S.A., Colorado, Gunnison County: Southern Gunnison Basin: just E of County Road 31, ca 1.8 air mi S of intersection of U.S. Hwy 50 and Colo Hwy 149; ca 9 air mi SW of Gunnison.
Sagebrush dominanted west-facing slope. Phenology: flowering.
Accession: RM 749546

U.S.A., Colorado, Ouray County: Uncompahgre Basin: E of County Road 4B, ca 0.5 air mi S of Chaffee Gulch; ca 6.8 air mi SW of Buckhorn Lakes; ca 8 air mi NNE of Ridgway.
Pinyon-juniper with oak. Phenology: flowering.
Accession: RM 749553

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 749552

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.

U.S.A., Colorado, Gunnison County: Southern Gunnison Basin: E of confluence of Lake Fork Gunnison River and Little Willow Creek, ca 3 air mi SW of Carpenter Ridge; ca 5.4 air mi SE of Sapinero.
Sagebrush shrubland. Phenology: flowering.

U.S.A., Colorado, Gunnison County: Southern Gunnison Basin: just W of Colo Hwy 149 at Blaine Rock, ca 11 air mi SW of Gunnison.

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.

U.S.A., Colorado, Saguache County: Southern Gunnison Basin: Cochetopa Hills: Gunnison National Forest: ca 0.5-1.5 air mi SE of Green Mountain, ca 2-3 air mi E of Deer Hill; between Gismo Creek and Meyers Gulch.
Hilly mixed-conifer/aspen woodland. Phenology: flowering.

U.S.A., Colorado, Montrose County: Upper Dolores River Drainage and Adjacent Areas: ca 4 air mi WSW of Paradox off of County Road XZ; ca 25 air mi from Nucla.
Elev. 2100 m.
Under brush. Phenology: flowering.

U.S.A., Colorado, Montrose County: Upper Dolores River Drainage and Adjacent Areas: Wild Steer Mesa, off County Road FF16 to County Road GG11, ca 16 air mi SW of Nucla.
Elev. 2000 m.
South-facing pinion-juniper zone along canyon rim grading into open sagebrush. Phenology: flowering & 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: vegetative only.

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, San Miguel County: Upper Dolores River Drainage and Adjacent Areas: ca 12.5 air mi N of Dove Creek, ca 4 air mi NE of Egnar, County Road K8 to County Road L9 to County Road 11.L, at Spud Patch Camp.
Scattered pinyon-juniper woodland, with dense patches of Artemesia, Amelanchier, Quercus, and Paraphyllum, northeast-facing. Phenology: flowering.

U.S.A., Colorado, San Miguel County: [location and coordinates withheld]
Artemisia, Atriplex, and Stipa on southeast facing slopes. Phenology: flowering.

U.S.A., Colorado, Dolores County: Upper Dolores River Drainage and Adjacent Areas: San Juan National Forest: Forest Road 493, ca 20 air mi N of Dolores at Benchmark Lookout.
Scrub oak alternating with patchy meadows, aspen along the west side of a hill; south-facing. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Green Top.
Phenology: fruiting.
Annotated by Kenneth D. Heil in 1990.

U.S.A., Wyoming, Sweetwater County: South Butte, "Thirteen Mile"; ca 13 mi from Bitter Creek.
Phenology: vegetative only.

U.S.A., Wyoming, Albany County:
Phenology: flowering.
Annotated by Kenneth D. Heil in 1990.
Aven Nelson, s.n.. //1903.

U.S.A., Wyoming, Albany County: Laramie.
Phenology: vegetative only.
Annotated by Kenneth D. Heil in 1990.

U.S.A., Wyoming, Albany County: W side of Tony Ridge.
Phenology: flowering.
Charles R. Clarke, 4. 5/12/1975.

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

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

U.S.A., Wyoming, Albany County: Telephone Canyon.

U.S.A., Wyoming, Laramie County: 7 mi W of Cheyenne; 1 mi N of U.S. Hwy 30.
Shortgrass prairie. Phenology: flowering.

U.S.A., Wyoming, Albany County: 10 mi W of Laramie; 0.5 mi N of Wyo Hwy 130.
Mixed grass prairie. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Laramie.
Leslie N. Goodding, s.n.. 6//1901.

U.S.A., Wyoming, Albany County: Laramie Range: Pole Mountain District: Medicine Bow National Forest: W of Eagle Rock.
North-facing slope; open dry places, middle of the slope, rare. Phenology: vegetative only.

U.S.A., Wyoming, Carbon County: Muddy Gap.
42.3541° N, 107.4548° W; NAD 83, uncertainty .5 mi., Nat. Geog. TOPO!
Sagebrush. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Beaver Rim.
Sagebrush. Phenology: fruiting.

U.S.A., Wyoming, Platte County: 18 mi NW of Wheatland.
Rocky slope, with Bouteloua gracilis and Purshia. Phenology: flowering.
Accession: RM 594928, Barcode: RM0246447

U.S.A., Wyoming, Sweetwater County: Henrys Fork.
Growing in sandy bottoms with Artemisia and Agropyron. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Muddy Gap.
Sagebrush. Phenology: flowering.

U.S.A., Wyoming, Platte County: 18 mi NW of Wheatland.
Rocky slope, with Bouteloua gracilis and Purshia. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie Plains: 3 mi NE of Laramie on 9th Street Road.
Occasional on sandy soil; grown in greenhouse. Phenology: flowering.

U.S.A., Colorado, Jackson County: North-central Colorado: North Park: Peterson Ridge, ca 7.5 air mi SW of Walden.
Sagebrush slopes, roadside, and ridgetops. Phenology: flowering & fruiting.

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

U.S.A., Colorado, Jackson County: North-central Colorado: Park Range: ca 1.5 air mi SE of Pearl.
Roadcut and sagebrush flat. Phenology: flowering & fruiting.

U.S.A., Colorado, Jackson County: North-central Colorado: Rabbit Ears Range: ca 14 air mi NE of Muddy Pass.
Lodgepole pine with parkland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Laramie Range: ca 33 air mi NE of Rock River.
Granite outcropping. Phenology: fruiting.
with J. Brondum and T. McGowan

U.S.A., Wyoming, Albany County: Laramie Range: ca 30 air mi NE of Rock River.
Granite outcrop. Phenology: vegetative only.
with J. Brondum and T. McGowan

U.S.A., Wyoming, Albany County: Laramie Range: along Horseshoe Creek, ca 24 air mi SW of Douglas.
Sagebrush grassland with granite outcrops. Phenology: flowering.
with J. Brondum and T. McGowan

U.S.A., Wyoming, Natrona County: Laramie Range: E of Corral Creek and Old Casper/Medicine Bow Hwy or County Road 402, ca 15 air mi S of Casper.
Rocky top of ridge and nearly level areas near the top. Phenology: flowering & fruiting.
Annotated by B. A. Packer.

U.S.A., Colorado, Gunnison County: Region of the Gunnison Watershed: Gunnison.
Phenology: vegetative only.

U.S.A., Wyoming, Converse County: Laramie Range: N of North Fork Little Medicine Bow River, ca 5 air mi W of Warbonnet Peak, ca 29-30 air mi S of Glenrock; ca 5-5.5 air mi NE of Little Medicine.
Gravelly, rocky sagebrush slopes with rock outcrops, scattered limber pine, and occasional Douglas fir. Phenology: vegetative only.
Annotated by B. A. Packer.

U.S.A., Colorado, Saguache County: Cochetopa National Forest: S of Clayton Cone.
Gentle east slope; coarse gravel soil; grassland. Phenology: flowering.
Accession: USFS 516250

U.S.A., Colorado, no county County: Pike National Forest.
Sandy loam soil. Phenology: flowering.
Accession: USFS 516325

U.S.A., Colorado, Park County: 9 mi E of Hartsel, along U.S. Hwy 24.
On gravelly, sparsely grassy plain. Phenology: flowering.
Accession: USFS 516249

U.S.A., Colorado, Boulder County: Between Sunshine and Ward.

U.S.A., Wyoming, Albany County: Laramie Range: near the head of Davidson Creek, ca 4.5 air mi NW of Marshall and ca 4.3 air mi SE of Little Medicine; ca 75 air mi NNW of Laramie.
Among rocks and rock outcrops. Phenology: vegetative only.
Annotated by B. A. Packer.

U.S.A., Colorado, Lake County: Matta Station.

U.S.A., Colorado, Garfield County: Glenwood Springs.
George E. Osterhout, 6906. 6/8/1920.

U.S.A., Colorado, Gunnison County: Sapinero.

U.S.A., Colorado, Douglas County: South Platte River: 1.4 mi N of Deckers on Hwy 67.
T9S R70W
Ponderosa pine forest; east-facing slope. Phenology: flowering.
with Alison Wolfinger

U.S.A., New Mexico, Huerfano County: Veta Mountain.
13° N, W; uncertainty 1 mi.
with F. K. Vreeland

U.S.A., Colorado, Huerfano County: Mountain near Veta Pass.
Elev. 3000 m.
Mountain. Huerfano/Costilla Co. Phenology: flowering.
with F. K. Vreeland

U.S.A., Wyoming, Albany County: Laramie Range: ca 0.5-1.5 air mi NE of Marshall.
Granitic outcrop with ponderosa and limber pine and Rocky Mountain juniper. Phenology: flowering & fruiting.
with B. A. Packer and Amy J. Roderick

U.S.A., Colorado, Larimer County: 8 mi SW of Granite Canyon.
On dry, grassy roadside. Phenology: flowering.

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

U.S.A., Wyoming, Albany County: Laramie Range: ca 4 air mi N of north end of Wheatland Reservoir No. 2.
Sedimentary deposits especially calcareous and siliceous. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Laramie Range: SW of Mule Creek crossing and along Mule Creek, ca 6 air mi SSE of Marshall.
Sandstone and limestone caprock and adjacent flats, also along the creek. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie Range: ridge E of south end of Wheatland Reservoir No. 2, ca 7.5 air mi NW of Morton Pass.
Badlands on east side, sagebrush-grassland above. Phenology: flowering.

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

U.S.A., Idaho, Clark County: Targhee National Forest and vicinity: Beaverhead Range: ridge between Willow Creek and South Jump Creek, ca 2 air mi N of Nicholia.
T12N R29E S5
Mostly Artemisia frigida and Elymus spicatus. Phenology: vegetative only.

U.S.A., Wyoming, Albany County: Laramie Range: along unnamed spur of the Laramie River, ca 15 air mi SW of Esterbrook.
In sagebrush/grassland among boulders. Phenology: fruiting.
with T. McGowan

U.S.A., Idaho, Lemhi County: Targhee National Forest: Beaverhead Range: South Fork of Worthing Canyon, ca 10 air mi SE of Nicholia.
T11N R30E S33; also S28
Open canyon bottom dominated by Artemisia and Chrysothamnus. Phenology: fruiting.

U.S.A., Wyoming, Converse County: Laramie Range: along Monday Creek, ca 10 air mi SW of Esterbrook.
Along dry creek beds, rangeland, and boulder outcroppings. Phenology: fruiting.
with T. McGowan

U.S.A., Wyoming, Albany County: Laramie Range: along Soldier Creek, ca 37 air mi S of Douglas.
In granite outcroppings. Phenology: vegetative only.
with T. McGowan & J. Brondum

U.S.A., Wyoming, Albany County: Laramie Range: ca 15 air mi SE of Laramie.
Sagebrush grassland. Phenology: vegetative only.

U.S.A., Wyoming, Albany County: Laramie Range: off of U.S. Hwy 287, ca 15 air mi SE of Laramie.
Sagebrush grassland with some granite outcrops. Phenology: vegetative only.
with T. McGowan

U.S.A., Colorado, Garfield County: Flat Tops/White River Plateau: behind Sweetwater Guard Station, ca 20 air mi NNE of Glenwood Springs.
Leadville limestone outcrop.
James P. Vanderhorst, 2044. 5/12/1991.

U.S.A., Colorado, Eagle County: Flat Tops/White River Plateau: Colorado River, ca 12 mi NW of Glenwood Springs.
Steep south-facing dolomite slopes and juniper-pinyon woodland, with garbage and animal carcasses.
James P. Vanderhorst, 2056. 5/13/1991.

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, 2233. 5/27/1991.

U.S.A., Colorado, Garfield County: Flat Tops/White River Plateau: Grand Hogback, ca 6 air mi NNW of Rifle.
North slope of hogback with Artemisia tridentata slopes grading with Pinus edulis-Juniperus osteosperma and Pinus edulis-Cercocarpus montanus in vicinity of gap; pinyon pine-mountain mahogany.
with James P. Vanderhorst

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, Rio Blanco County: Flat Tops/White River Plateau: LO 7 Hill, ca 5 air mi S of Meeker.
Oak-sagebrush mosaic; northwest exposure in general.
with James P. Vanderhorst and Walter Fertig

U.S.A., Colorado, Garfield County: Flat Tops/White River Plateau: Heart Lake Road, ca 15 air mi W of Eagle.
Sagebrush openings and limestone outcrops; limestone outcrops.

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

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Fremont Canyon along County Road 408, ca 6.8 air mi SW of Alcova.
Sagebrush with rocky outcrops. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: Rock Springs Uplift: north-facing slope at head of Rock Canyon, ca 3 air mi NW of Quaking Asp Mountain; ca 9.3 air mi SSE of Rock Springs.
Rocky, clay outcrops. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming:: Rock Springs Uplift: sagebrush flats amd gentle draws on SW flank of Quaking Aspen Mountain; ca 10.5 air mi Sse of Rock Springs.
Sagebrush draw. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Ca 6 air mi N of Arminto.
Rocky sagebrush grassland. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Ca 6 air mi N of Medicine Bow.
41.9797° N, 106.1214° W; unknown, uncertainty 1 mi.
Sandstone ridge with rock outcrops and surrounding slopes. Dominated include: Artemisia tridentata, Tetrademia canescens, and Cercocarpus montanus.
with Keith H. Dueholm
Accession: RM 952751, Barcode: RM0318274

U.S.A., Wyoming, Carbon County: Ferris Mountains.
North exposure; rocky slope. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Natrona County: Rattlesnake Mountains: Burnt Wagon Draw and surrounding north slope of range.
Limber pine covered north slope with drainages and open slopes and flats. Phenology: fruiting.
with Gael Fonken

U.S.A., Wyoming, Uinta County: Hoop Lake Road (Uinta County Road 295), 4 air mi S of Lonetree.
Barren clay slopes with scattered sagebrush and rabbitsbrush. Phenology: fruiting.

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, 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: fruiting.
with June Haines

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: Sheep Mountain, NW corner.
Granite rocky slopes and ridges with Pinus ponderosa, P. contorta, and Pseudotsuga menziesii and openings with fallen timber. Phenology: flowering.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: Red Mountain Area: 6-6.5 air mi S of summit of Jelm Mountain; along or adjacent to Maggie Creek.
Rolling sagebrush slopes and stream drainage. Phenology: flowering & fruiting.
Accession: RM 963996, Barcode: RM0318492

U.S.A., Wyoming, Campbell County: Powder River Basin: head of Piney Canyon; ca 22 air mi SE of Reno Junction.
Rocky slopes, stream margins, and ponderosa pine woodlands; ridge. Phenology: fruiting.
with Keith Dueholm

U.S.A., Wyoming, Sweetwater County: Ca 2 air mi SE of Pine Mountain at Colorado state line.
Sandy slopes and ridge with scattered pines and service berry. Phenology: flowering.
with B. E. Nelson

U.S.A., Wyoming, Fremont County: West Slope Wind River Range: Acorn Ridge, Sweetwater River, ca 4 air mi NW of Wyo Hwy 28, ca 37 air mi NE of Farson.
Sandy sagebrush grassland at base of ridge. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: above Fetterman Creek along Wyo Hwy 93, in North Platte River drainage, ca 10.5 air mi NW of Douglas.
Sagebrush-sedge-grassland. Phenology: flowering.
Annotated by Ronald L. Hartman in 1998.

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along Ross or County Road 31 on the ridge between Hornbeck and Frank draws, ca 16 air mi NNE of Glenrock.
A mosaic of sagebrush-grasslands and sedge-grasslands. Phenology: flowering.
Annotated by Laura Welp.

U.S.A., Wyoming, Sublette County: Green River Basin: Fremont Butte, ca 6 air mi E of Boulder.
Sagebrush hillsides with granite outcrops. Phenology: vegetative only.
with Jane T. Kellett

U.S.A., Wyoming, Fremont County: Green River Basin: Continental Divide at Sweetwater River and Palmer Draw, ca 10 air mi W of South Pass City.
Streamside, Douglas fir canyonside, sagebrush slopes, and open rocky ridges. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Shirley Basin: drainage ca 1.2 air mi N of BLM Road 3136; ca 2 air mi W of Wyo Hwy 487; ca 4 air mi W of Shirley Basin townsite.
Sagebrush-grassland flats and draw. Phenology: fruiting.

U.S.A., Colorado, Alamosa County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Sangre de Cristo Range: Zapata Falls Recreation Area from Colo Hwy 150.
Pinyon-juniper and riparian; Abies-Pseudotsuga. Phenology: flowering.

U.S.A., Colorado, Chaffee County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: San Isabel National Forest: ca 1.2 road mi on County Road 240 from U.S. Hwy 50.
Along stream and dry ponderosa pine forest slopes; soil fine-grained to gravelly; ponderosa, Rosa, Salix, and aspen. Phenology: flowering.
Annotated by Brian Elliott.
with Brian Jacobs and Alex Morgan

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: Sheep Mountain, west side, north end of mountain on ridge to Johns Canyon,, on Forest Service land off of Wyo Hwy 11.
Ridge. Phenology: flowering.
Annotated by Laura E. Lukas.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Shirley Mountains: Pryor Flats Recreational Area, 0.5 air mi S of County Road 102; ca 20.2 air mi SW of Shirley Basin townsite.
Granite outcrops among aspen, limber pine, and subalpine fir. Phenology: flowering.

U.S.A., Colorado, Fremont County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountains: ca 3.9 road mi S on Oak Creek Grade Road from Canon City; from ca 0.5-2.5 trail mi past Tanner Trailhead, on and around the trail.
Dominant species: pinyon pine, mountain mahogany, and oak; ponderosa and blue spruce at higher elevations; mainly granite outcrops, soil sandy to gravelly in texture. Phenology: fruiting.
Annotated by Brian Elliott.
with Brian Jacobs and Alex Morgan

U.S.A., Colorado, Custer County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountain Valley: ca 2.4 road mi on Airport Road from Colo Hwy 69.
Along small stream and open fields; soil fine-grained to gravelly in texture; dominant species: Chrysothamnus. Phenology: flowering.
Annotated by Brian Elliott.
with Brian Jacobs and Alex Morgan

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

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Shirley Mountains: Shirley Loop Road near radio towers, ca 12.5 air mi SE of Leo.
Limestone shelf; chokecherry common. Phenology: flowering.

U.S.A., Colorado, Fremont County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Sangre de Cristo Range: Howard Creek, ca 1 air mi upstream from confluence with Porters Gulch.
Coniferous forest mixed with oak and grassland. Phenology: fruiting.

U.S.A., Colorado, Jackson County: North Park: Arapaho National Wildlife Refuge: ca 3 air mi S of Walden.
Sagebrush-grassland uplands. 7.5' Walden Quad Phenology: flowering.

U.S.A., Colorado, Garfield County: Mesa S of Gibson Gulch and E of Divide Creek, ca 6-7 air mi ESE of Silt.
Slopes of juniper woodland with scattered pinyon and sagebrush understory. Phenology: flowering.
Michael K. Kirkpatrick, 31. 5/7/2010.
with B. E. Nelson
Accession: USFS 898629, Barcode: USFS0060151

U.S.A., Colorado, Garfield County: Between Spruce Creek and Porcupine Creek, between Holms Mesa and Flatiron Mesa S of County Road 320, ca 7-8 air mi SW of Rifle.
North aspect of juniper woodland with sagebrush understory and scattered pinyon; oakbrush in dry drainages. Phenology: flowering.
Michael K. Kirkpatrick, 199. 5/13/2010.
Accession: USFS (unaccessioned)

U.S.A., Colorado, Eagle County: Between Alkali Creek and Skillman Gulch, S of the Eagle River, ca 4 air mi E of Gypsum.
Sagebrush scrubland with scattered juniper. Phenology: flowering.
Michael K. Kirkpatrick, 398. 5/20/2010.
Accession: USFS (unaccessioned)

U.S.A., Colorado, Garfield County: N of Clear Creek and S of East Divide Creek, ca 12 air mi SSW of New Castle and 3 air mi NW of Uncle Bob Mountain.
Pinyon-juniper woodland with oakbrush thickets and volcanic scree slopes. Phenology: flowering.
Accession: USFS (unaccessioned)

U.S.A., Colorado, Costilla County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Sangre de Cristo Range: ca 1 mi E of east entrance to Forbes Trinchera Ranch, on U.S. Hwy 160 between LaVeta Pass and Fort Garland.
Riparian and dry rocky slopes. Phenology: flowering.

U.S.A., Colorado, Fremont County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: San Isabel National Forest: up Stultz Gulch from Stultz Trailhead on County Road 143, ca 8 air mi S of Canon City.
Mixed Quercus gambellii-Pinus ponderosa. Phenology: flowering & fruiting.
with Elizabeth Mark

U.S.A., Montana, Beaverhead County: Tendoy Mountains: foothills S of Clark Canyon Reservoir, ca 3 air miles NW of Red Rock.
T10W R10W S31
Shallow gravelly soil on limestone; bunchgrass community with fringed sage. Township on label as T10W, should be N or S instead of W. Phenology: fruiting.

U.S.A., Colorado, Saguache County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Cochetopa Hills: ca 4 mi N of Colo Hwy 114 on Dry Gulch Road, ca 6 air mi NW of Sagauche.
Dry, steep hillsides with Bouteloua, Amelanchier, and pinyon-juniper. Phenology: flowering & fruiting.
with Elizabeth Mark

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

U.S.A., Colorado, Saguache County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: San Luis Valley: E of Colo Hwy 150, ca 1.5 air mi S of Great Sand Dunes National Monument.
Grassland and pinyon-juniper. Phenology: flowering.

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

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

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: benchland ca 2 air mi NE of Sharpsdale.
Grassland and pinyon pine woodland with some volcanic rock outcrops. Phenology: flowering.

U.S.A., Colorado, Fremont County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Sangre de Cristo Range: U.S. Hwy 50, 2.5 air mi NW of Howard.
Pinyon-juniper with rock outcrops. Phenology: fruiting.

U.S.A., Colorado, Mesa County: Uncompaghre Plateau: mesa above Farmers Canyon, W of Jacks Canyon Road, ca 14 air mi SW of Whitewater.
Under oak in ponderosa pine stringer along gully. Phenology: flowering.

U.S.A., Montana, Beaverhead County: Northwest end of Antelope Flat, ca 3 air mi N of the Red Rock River, ca 5 air mi NE of Lima; ca 37 air mi S of Dillon.
Grass and forb cobblestone slopes. Phenology: vegetative only.
Annotated by Emma E. Freeland.
with Emma E. Freeland

U.S.A., Idaho, Lemhi County: Salmon River between Challis and Salmon, ca 0.6 mi N of Ringle Creek, 12.1 air mi NNE of Ellis.
28° slope, E aspect; andesite/basalt geology. Phenology: flowering.

U.S.A., Idaho, Lemhi County: Salmon National Forest: Salmon River Mountains: west ridge of lower Trapper Gulch, 14.5 air mi S of Shoup.
Well developed soil in xeric grassland vegetation; 28° slope, SE aspect; metamorphosed sedimentary geology. Greater than 150 individuals apparent. Phenology: flowering.

U.S.A., Idaho, Lemhi County: Salmon National Forest: Salmon River Gorge: ridgetop on the north side of the Bear Basin Creek confluence, 18.7 air mi W of Shoup.
Sandy or gravelly soil in xeric grassland vegetation; 46° slope, SE aspect; phyllite geology. Greater than 150 individuals apparent. Phenology: flowering & fruiting.

U.S.A., Idaho, Lemhi County: Salmon National Forest: Salmon River Gorge: west ridge overlooking the confluence of Donelly Gulch and the Salmon River, 1.3 air mi WNW of North Fork.
17° slope, SSW aspect; metamorphosed sedimentary geology. Phenology: flowering.

U.S.A., Idaho, Lemhi County: Salmon National Forest: Foothills between Salmon and North Fork: slopes dividing Wagonhammer Creek and the head of Burns Gulch, 3.1 air mi ENE of North Fork.
Sandy or gravelly soil in xeric shrub-steppe vegetation; 9° slope, NNW aspect; feldspathic metasandstone geology. 26-75 individuals apparent. Phenology: flowering.

U.S.A, Idaho, Lemhi County: Salmon National Forest: Northern Salmon River Mountains: ridge above Stoddard Creek, E of North Fork Stoddard Creek, 21.8 air mi WSW of Shoup.
T22N R14E S13
<25 plants estimated in xeric soil within grassland vegetation, 20 degree slope, SE aspect, gneiss geology. Phenology: flowering.

U.S.A, Idaho, Lemhi County: Salmon National Forest: Salmon River Mountains: Camas Creek ca 0.2 mi upstream of the Middle Fork Salmon River, 36.0 air mi NW of Challis.
T18N R15E S16
>150 plants estimated in xeric coarse textured soil within shrub-steppe vegetation, 17 degree slope, SW aspect, granodiorite geology. Phenology: flowering.

U.S.A, Idaho, Custer County: Challis National Forest: Eastern Salmon River Mountains: ridge dividing lower Lick and Bear creeks, 15.2 air mi NNW of Challis.
<25 plants estimated in xeric solid rock within shrub-steppe vegetation, 21 degree slope, NE aspect, rhyodacite geology. Phenology: flowering.

U.S.A, Idaho, Custer County: Challis National Forest: Southern Salmon River Mountains: slope above Challis Creek, W of the confluence with Eddy Creek, 7.0 air mi NW of Challis.
<25 plants estimated in xeric coarse textured soil within shrub-steppe vegetation, 6 degree slope, SW aspect, rhyodacite geology. Phenology: flowering.

U.S.A, Idaho, Custer County: Challis National Forest: Lemhi Range: hillside along Big Gulch, 24.0 air mi SSW of Leadore.
<25 plants estimated in xeric soil within shrub-steppe vegetation, 26 degree slope, S aspect, alluvial geology. Phenology: flowering & fruiting.

U.S.A., Idaho, Lemhi County: Bitterroot Range: U.S. Hwy 93, ca 11 air mi N of Salmon, ca 0.5 air mi N of Tower Creek.
Southwest slope, stream bottom, gradual slope to rocky high point. Phenology: flowering.
Annotated by Joshua J. Irwin.
with Joshua J. Irwin

U.S.A., Idaho, Lemhi County: Lemhi Valley and Beaverhead Range: Old Lemhi Road, ca 9-10 air mi SE of Salmon at the junction of Ida Hwy 28 and U.S. Hwy 93, 1/4 air mi NW of Wimpey Creek.
Clayey to sandy slope with sagebrush and some saltbush. Phenology: flowering.
Annotated by Joshua J. Irwin.

U.S.A., Idaho, Lemhi County: Lemhi Range: McDevitt Creek Road, ca 1 air mi W of Ida Hwy 28, 0.1-1.2 air mi N of McDevitt Creek.
Slopes with sagebrush, ravines, and rims of washes. Phenology: fruiting.
Annotated by Joshua J. Irwin.

U.S.A., Idaho, Lemhi County: Road to radio towers NE of Salmon, Discovery Hill.
Grassy slopes with eroded areas and disturbed sites Phenology: flowering.
with Joshua J. Irwin

U.S.A., Idaho, Lemhi County: Salmon River Mountains: 2.5 mi W of Shoup Bridge, 6.5 mi SSW of the intersection of Ida Hwy 28 and U.S. Hwy 93 in Salmon.
Steep slope to rock outcrop then rolling hills with grasses and sagebrush. Phenology: vegetative only.
with Joshua J. Irwin

U.S.A., Idaho, Lemhi County: Salmon River Gorge: Kriley Creek, ca 12.5 air mi N of Salmon.
Valley bottom and adjacent steep northwest exposure. Phenology: fruiting.

U.S.A., Idaho, Butte County: Little Lost River Valley: near Little Lost River, ca 0.5 mi N of Clyde.
Rocky bluff near river.
with Emma E. Stewart

U.S.A., Idaho, Lemhi County: Salmon National Forest: Lemhi Range: lower Cow Creek, 4.5 air mi NE of Ellis.
On lower steep slope, often in shrubs or on rubble.
with Joshua J. Irwin, Emma E. Stewart

U.S.A., Idaho, Custer County: Pahsimeroi Mountains: Lime Creek above Little Antelope Flat, from first major rock outcrop SE up hogback and series of ridges, ca 11-12 air mi SE of Challis.
Limestone outcrops.
with Emma E. Stewart

U.S.A., Montana, Beaverhead County: Sage Creek Basin: ca 9 air mi NE of Dell; ca 30 air mi S of Dillon.
Sagebrush and greasewood flat. Phenology: flowering.
1. Pediocactus simpsonii (Engelm.) Britton & Rose.

U.S.A., Wyoming, Carbon County: [location and coordinates withheld]
Hogback; black sage and mountain mahogany on red beds. Phenology: fruiting.

U.S.A., Colorado, Garfield County: Mesa S of Gibson Gulch and E of Divide Creek, ca 6-7 air mi ESE of Silt.
Slopes of juniper woodland with scattered pinyon and sagebrush understory. Phenology: flowering.
with B. E. Nelson
Accession: USFS (unaccessioned), Barcode: USFS0060654

U.S.A., Wyoming, Uinta County: Basins and Mountains of Southwest Wyoming: Oyster Ridge, ca 3.5 air mi SW of Cumberland Gap; ca 3.6 road mi SW of the junction of U.S. Hwy 189 and Wyo Hwy 412 on south side of U.S. Hwy 189.
Sandstone outcrops and ridgetop. Phenology: flowering.
with Duane Atwood

U.S.A., Colorado, Montrose County: Uncompahgre Plateau: on Sawmill Mesa between Dry Fork Escalante Creek and Peach Orchard Point on Sawmill Mesa Road, ca 16 air mi SW of Delta.
Pinyon/juniper woodland with sagebrush patches on middle level bench in the canyon. Phenology: flowering.
Annotated by Lori E. Brummer.

U.S.A., Colorado, Montrose County: Uncompahgre Plateau: BLM lands near Colona, off BLM Road 3515, ca 8.5 mi S of Montrose.
Pinyon/juniper woodland. Phenology: flowering.
1. Pediocactus simpsonii (Engelm.) Britton & Rose.

U.S.A., Colorado, Mesa County: Uncompahgre Plateau: Brushy Ridge Trail to Brush Mountain, ca 27.5 air mi SW of Delta.
Sandstone pavement in oak zone. Phenology: flowering.
1. Pediocactus simpsonii (Engelm.) Britton & Rose.

U.S.A., Utah, Daggett County: Utah Hwy 44, 11.4 road mi S of Manila
Steep slope with Juniperus osteosperma. Phenology: flowering.

U.S.A., Wyoming, Laramie County: Southeastern Plains: W of I-25 at Colorado.
40.9993° N, 104.9251° W; NAD 83, uncertainty 2 mi., Nat. Geog. TOPO!
Rolling plains. Phenology: flowering.
with Jean Wood

U.S.A., Wyoming, Laramie County: Southeastern Plains: U.S. Hwy 85 at Colorado.
41.0033° N, 104.7806° W; NAD 83, uncertainty 1 mi., Nat. Geog. TOPO!
Grassy plains. Phenology: flowering.
with Jean Wood

U.S.A., Utah, Daggett County: North Slope Uinta Mountains: Ashley National Forest: Dripping Spring, ca 2 air mi SE of Dutch John.
Pinyon-juniper with some ponderosa pine and stream bottoms. Phenology: flowering.
with Tom Cramer and Charmaine Refsdal

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: Flaming Gorge National Recreation Area: south peninsula at the confluence of Blacks Fork and Green River, ca 17 air mi S of Green River.
Sandy clay slopes covered with small cobblestones, dominated by desert shrubs. Phenology: flowering & fruiting.
Annotated by C. H. Refsdal.
with C. H. Refsdal and Laura Welp

U.S.A., Utah, Daggett County: Southwestern Wyoming and Adjacent Utah: Browns Park: ca 11 air mi E of Dutch John on the north side of the Green River.
Pinyon-juniper woodlands, south facing slope of rolling hills, in small rounded gravel mixed with sandy loam. Phenology: flowering & fruiting.
with Larry Refsdal and Susan Bellew

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., Utah, Daggett County: Southwestern Wyoming and Adjacent Utah: Browns Park: ca 13 air mi E of Dutch John; 1.4 mi N of junction of Jarvie Ranch/Browns Park roads on east side of Browns Park Road.
Dark red-brown loose soils. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Ferris Mountains: Miners Canyon on northeastern side of range, ca 16 air mi N of Independence Rock.
T26N R87W S12
Subalpine fir and gravelly ridge with limber pine. Phenology: vegetative only.

U.S.A., Utah, Daggett County: Southwestern Wyoming and Adjacent Utah: Flaming Gorge National Recreation Area: ca 6 air mi E of Manila.
South aspect, gravelly benches, quarternary, salt desert shrubs. Phenology: flowering.
with S. Goodrich

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., 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

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, Natrona County: Upper North Platte and Laramie River Drainages: Pathfinder Reservoir and Mountain: Bishop Point Recreation Area, ca 3.4 air mi W of County Road 409; ca 10.5 air mi SW of Alcova townsite.
West-facing slope with granite outcrops; Rocky Mountain juniper, limber pine, Holodiscus, and sagebrush common. Phenology: vegetative only.

U.S.A., Colorado, Moffat County: Northeast side of Cross Mountain, ca 8.4 mi W of Colo Hwy 318 on County Road 10, ca 15.5 air mi W of Maybell; ca 44 air mi W of Craig.
Sandy clay upland with Artemisia. Phenology: flowering.
with Ronald L. Hartman

U.S.A., Nevada, Elko County: Along Dry Fork Jakes Creek on Oneil Basin Road, ca 10 road mi W of U.S. Hwy 93, ca 34.5 air mi N of Wells.
Sagebrush slopes and flats. Phenology: flowering.
with Ronald L. Hartman

U.S.A., Nevada, Elko County: N of Palomino Ridge, ca 24.5 road mi N of White Pine County on U.S. Hwy 93.
T29N R63W S2
Breaks. Phenology: flowering.
with Ronald L. Hartman

U.S.A., Colorado, Moffat County: Southeast side of Diamond Peak, ca 13.5 air mi W of Hiawatha Camp; ca 50.8 air mi NW of Maybell.
Stony open slopes. Phenology: flowering.

U.S.A., Colorado, Fremont County: East-central Colorado: Mosquito Range to Plains: quarry 0.5 air mi NW of Wellsville.
Pinyon-juniper slopes, sandstone, and limestone outcrops. Phenology: flowering.
Annotated by Timothy W. Chumley.
with Timothy W. Chumley

U.S.A., Colorado, Fremont County: East-central Colorado: Mosquito Range to Plains: Alkali Gulch and gypsum mine, between North Fork South Platte River and the Arkansas, ca 3 air mi E of Howard.
Pinyon-juniper with sandstone, limestone, igneous extrusives, and metamorphics. Phenology: flowering.
Annotated by Timothy W. Chumley.
with Timothy W. Chumley

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

U.S.A., Colorado, Fremont County: East-central Colorado: Mosquito Range to Plains: Arkansas River Drainage: Arkansas Mountain off Spruce Mountain or County Road 157A, ca 1 air mi W of County Road 12; ca 4 air mi N of Cotopaxi.
West-facing slopes at higher elevations dominated by ponderosa pine with Douglas fir and white fir. Phenology: flowering.
Timothy W. Chumley, 571. 6/2/1995.

U.S.A., Colorado, Fremont County: East-central Colorado: Mosquito Range to Plains: Arkansas River Drainage: Rice Gulch off BLM Deer Park Trail Road 5826 or County Road 347, from parking area at locked private gate, ca 11.7 air mi SW of Cripple Creek.
Along a ridge above the stream. Phenology: flowering.
Timothy W. Chumley, 602. 6/5/1995.

U.S.A., Colorado, Douglas County: East-central Colorado: Mosquito Range to Plains: Rampart Range: along West Creek and adjacent slopes to W, off Colo Hwy 67 ca 4.5 air mi SE of Deckers.
Dry upland slopes above the creek in ponderosa pine and Douglas fir forest on granitic-gravelly soil. Phenology: buds.