Penstemon rydbergii var. rydbergii (1997)
PLANTAGINACEAE
Penstemon rydbergii A. Nelson var. rydbergii
U.S.A., Colorado, Park County: East-central Colorado: Mosquito Range to Plains: Tarryall Mountains: at Clarke Spring drainage and ridge to W, off Forest Road 130 ca 3.3 air mi W of Jefferson.
In a Potentilla fruticosa wetland with Deschampsia cespitosa and Juncus balticus. Phenology: flowering.
with Irene Thien
Accession: RM (unaccessioned)

Penstemon rydbergii var. rydbergii (2003)
PLANTAGINACEAE
Penstemon rydbergii A. Nelson var. rydbergii
U.S.A., Colorado, Mineral County: Eastern San Juan Mountains: Rio Grande National Forest: U.S. Hwy 160 W to Forest Road 410 ca 3/4 mi; ca 8 air mi SW of South Fork. N center
Elev. 9050 ft.
Open meadows with scattered spruce and aspen. Phenology: flowering & fruiting.
Accession: RM (unaccessioned)

Penstemon rydbergii var. rydbergii (2004)
PLANTAGINACEAE
Penstemon rydbergii A. Nelson var. rydbergii
U.S.A., Colorado, Conejos County: Eastern San Juan Mountains: Osier Park at the head of Toltec Creek and Massey Gulch, ca 1 mi E of Osier Mountain, ca 6.5 air mi SW of Fox Creek; ca 16 air mi WSW of Antonito.
Moist to dry meadows with patches of Potentilla fruticosa and Veratrum. Phenology: flowering.
Annotations:
1. Penstemon rydbergii A. Nelson var. rydbergii
Annotated by Jeanette Flaig.
Accession: RM (unaccessioned)

U.S.A., Colorado, Archuleta County: Eastern San Juan Mountains: Rio Grande National Forest: campground on Rio Chama W ca 1 air mi along Archuleta Creek.
Spruce/fir and aspen forest on slopes, alder and willow along streams; along the creek. Phenology: flowering.
Annotations:
1. Penstemon rydbergii A. Nelson var. rydbergii
Annotated by Jeanette Flaig.

U.S.A., Colorado, Grand County: Arapaho National Forest: Williams Fork Mountains: ca 1.5 mi S of the junction of secondary Forest Road 141 and secondary Forest Road 138, ca 0.3 mi W of secondary Forest Road 138 on tributary of Williams Fork.
Elev. 8800 ft.
Along stream and in open wet meadow. Phenology: flowering.

U.S.A., Colorado, Grand County: Arapaho National Forest: Front Range: S of Lake Granby along Doe Creek, ca 6.5 air mi ENE of Granby; ca 15.5 air mi NNW of Fraser.
Along creek and in open meadow. Phenology: flowering.

U.S.A., Colorado, Grand County: Arapaho National Forest: Front Range: Kawuneeche Road, South Supply Creek, ca 3.5 air mi WNW of Grand Lake.
Elev. 9000 ft.
Along creek, wet meadow, and regenerating lodgepole pine forest. Phenology: flowering.

U.S.A., Colorado, Grand County: Rabbit Ears Range: Black Mountain, ca 6 air mi NW of Parshall and ca 10.5 air mi NE of Kremmling.
Moist disturbed area. Phenology: flowering.
with Ronald L. Hartman

U.S.A., Colorado, Grand County: Gore Range: Red Dirt Reservoir, ca 14.5 air mi NW of Kremmling and ca 16 air mi NE of Toponas.
Along creek. Phenology: flowering & fruiting.

U.S.A., Colorado, Grand County: Rabbit Ears Range: Coal Mountain Access, Troublesome Wilderness: ca 15 air mi NW of Hot Sulphur Springs and ca 17 air mi NE of Kremmling.
Meadow adjacent to intermittent stream. Phenology: flowering.

U.S.A., Colorado, Grand County: Rabbit Ears Range: Troublesome Wilderness: Rabbit Ears Creek, ca 12.5 air mi SW of Rand and ca 17.5 air mi NE of Kremmling.
Open park along creek. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Salt River Range: Greys River Drainage: along Murphy Creek 1.4 mi W of Murphy Lake, ca 7 air mi ENE of Etna; ca 23 air mi NNE of Afton.
Abundant on grassy-sagebrush area of lower southerly facing slope with Penstemon subglaber, Galium boreale, Hedysarum occidentale, and Eriogonum umbellatum. Phenology: flowering & fruiting.
Accession: RM 724007, Barcode: RM0240262

U.S.A., Idaho, Adams County: Payette National Forest and Vicinity: Smith Mountain just SW of lookout on Forest Road 073, ca 10 air mi NNE of Bear; ca 19 air mi NW of New Meadows.
Rocky outcrops in open, subalpine meadow; with Festuca idahoensis and Artemisia tridentata. Phenology: flowering.

U.S.A., Idaho, Adams County: Payette National Forest and Vicinity: Hells Canyon-Seven Devils Scenic Area: Kinney Point ca 6 air mi NNE of Cuprum; ca 23 air mi NW of New Meadows.
Dry subalpine meadow/rocky outcrop; dominated by Festuca idahoensis, with Carex geyeri and some Artemisia tridentata. Phenology: flowering.

U.S.A., Idaho, Valley County: Payette National Forest and Vicinity: Salmon River Mountains Area: Secesh Summit and Little Summit Lake, ca 6.5 air mi SSW of Burgdorf; ca 20 air mi NNE of McCall.
Stand replacing fires five years previous; granite parent material; moist area. Phenology: flowering.

U.S.A., Idaho, Valley County: Payette National Forest and Vicinity: Salmon River Mountains Area: Snowslide Lake Trail, ca 9.5 air mi NE of McCall; ca 17 air mi E of New Meadows.
Rocky granite parent material in mixed conifer overstory. Phenology: flowering.

U.S.A., Idaho, Washington County: Payette National Forest and Vicinity: Cuddy Mountains Area: Hornet Reservoir, ca 15 air mi NW of Council; ca 16 air mi NNW of Cambridge.
Open Abies lasiocarpa. Phenology: flowering.
with Denise L. Fairbanks

U.S.A., Idaho, Idaho County: Payette National Forest and Vicinity: Salmon River Mountains Area: Wallis Cabin, ca 2 air mi NE of War Eagle Lookout, ca 6 air mi NW of Warren.
Open Abies lasiocarpa/subalpine meadow with stream; granite parent material. Phenology: flowering.

U.S.A., Idaho, Idaho County: Payette National Forest and Vicinity: Salmon River Mountains Area: California Lake, ca 2 air mi ENE of War Eagle Lookout, ca 6 air mi NE of Burgdorf.
Subalpine lakeshore, peat soil in Abies lasiocarpa overstory. Phenology: flowering & fruiting.

U.S.A., Idaho, Adams County: Payette National Forest and Vicinity: Lick Creek Riparian Demonstration Area: south bank of tributary of Lick Creek to fence, ca 16 air mi W of New Meadows; ca 20.5 air mi NNW of Council.
Meadow; dominated by Poa, Carex, and mesic forbs. Phenology: flowering.

U.S.A., Idaho, Adams County: Payette National Forest and Vicinity: Shingle Creek, along Mill Creek Road (Forest Road 183), ca 5.5 air mi NE of Council; ca 13.5 air mi SSW of New Meadows.
Fenced riparian area; most of soil saturated, some standing water; dominated by Carex and scattered Salix. Phenology: flowering.
with Phill Lawrence

U.S.A., Colorado, Grand County: Sierra Madre/Park Ranges: Park Range: ca 17 air mi NW of Kremmling by Service Creek [Trail in Buffalo Park].
T3N R82W S5; also S6
Open meadows.
with Diane Fraser
Accession: (unaccessioned)

U.S.A., Colorado, Routt County: Sierra Madre\Park Range: Park Range: Routt National Forest: ca 2 air mi SSE of Lynx Pass on Morrison Creek Road, ca 13 air mi ESE of Yampa; ca 29 air mi SSE of Steamboat Springs.
Silver sage meadow.
with Steven Nelson
Accession: (unaccessioned)

U.S.A., Colorado, Routt County: Sierra Madre\Park Range: Park Range: Routt National Forest: Lone Spring Butte, ca 5.5 air mi ESE of Yampa, ca 24 air mi S of Steamboat Springs.
Meadow with a few scattered lodgepole pine.
with Steven Nelson
Accession: (unaccessioned)

U.S.A., Colorado, Routt County: Sierra Madre\Park Range: Park Range: above Volcano Siding ca 2 air mi SW of Long Park, ca 13.5 air mi SE of Yampa, ca 33 air mi S of Steamboat Springs.
Meadow with scattered Artemisia cana.
with Michelle Nelson

U.S.A., Colorado, Grand County: Sierra Madre\Park Range: Park Range: along Blacktail Creek ca 2 air mi SW of Gore Pass, ca 10.5 air mi W of Kremmling.
Drier edges of swale.
with Michelle Nelson

U.S.A., Colorado, Grand County: Sierra Madre\Park Range: Park Range: ca 17 air mi NW of Kremmling by Service Creek.
Open meadows.
with Diane Fraser

U.S.A., Colorado, Jackson County: Sierra Madre\Park Range: Park Range: junction of Forest Roads 600 and 660 at northern end of Big Creek Lake, ca 22 air mi NW of Walden.
Salix dominated meadow.

U.S.A., Colorado, Jackson County: Sierra Madre\Park Range: Park Range: along Forest Road 600, ca 25 air mi NW of Walden.
Roadside.

U.S.A., Wyoming, Carbon County: Sierra Madre/Park Ranges: Sierra Madre: Medicine Bow National Forest: ca 13 air mi SW of Encampment, ca 29.5 air mi S of Saratoga at Hog Park.
Frequent in loamy clay in meadow with Geum triflorum and Cirsium coloradense. Phenology: flowering.
with Linda Nelson
Accession: RM 317803, Barcode: RM0240264

U.S.A., Wyoming, Carbon County: Sierra Madre/Park Range: Sierra Madre: ca 8 air mi ENE of Battle Mountain along Battle Creek.
Along creek. Phenology: flowering.
Accession: RM 573763, Barcode: RM0240248

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Wheat Creek to Windy Gap and Oyster Ridge, ca 14 air mi N of Kemmerer.
Sagebrush slopes, sandstone and limestone outcrops, cushion plant communities on ridge, wet draws, and stream margins. Phenology: flowering.
with Tom Cramer

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Tunp Range: Rock Creek Ridge, from Pine Creek Ski Area
Grassy and wooded slopes. Phenology: flowering.
with Charmaine Refsdal

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Underwood Canyon, ca 8 air mi SE of Cokeville.
Creekside willows and meadows with sagebrush edges. Phenology: flowering.
with Jane T. Kellett

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: South Fork Mountain, ca 20 air mi N of Kemmerer.
Steep rocky hillside forb meadow. Phenology: flowering.
with Jane T. Kellett

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: South Fork Mountain, ca 20 air mi N of Kemmerer.
Open Abies forest and roadside. 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.
Sagebrush hilltop and roadside. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: [location and coordinates withheld]
Sagebrush hillside with Amelanchier stands. Phenology: flowering.

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: Fernando Mountains: South Boundary Trail 164 from Forest Road 437 at Garcia Park, ca 5 air mi SE of Shady Brook, ca 10 air mi E of Ranchos de Taos.
Montane meadow with Cerastium arvense, Festuca idahoensis, Danthonia parryi and Cymopterus lemmonii. Phenology: flowering.

U.S.A., Colorado, Montrose County: San Miguel and Lower Dolores River Drainages: Uncompahgre Plateau: Columbine Pass by Monitor Creek, S of Divide Road (Forest Road 402).
With Salix; spruce and aspen on uplands. Phenology: flowering & fruiting.

U.S.A., Colorado, Mesa County: [location and coordinates withheld]
Wet meadow and area around stock pond with snowberry and rose. Phenology: flowering & fruiting.

U.S.A., Colorado, Mesa County: [location and coordinates withheld]
Dry meadow with Artemisia, lupine, and snowberry. Phenology: fruiting.

U.S.A., Colorado, Mesa County: [location and coordinates withheld]
Riparian area with Carex. Phenology: flowering & fruiting.

U.S.A., Colorado, Hinsdale County: Southern Gunnison Basin: San Juan Mountains: ca 1/4-1/2 air mi W of Colo Hwy 149 and N of Mineral County; ca 10.2 air mi SE of Lake City at Spring Creek Pass.
Open spruce forest. Phenology: flowering.

U.S.A., Colorado, Hinsdale County: Southern Gunnison Basin: San Juan Mountains: at the confluence of Nellie and Henson creeks, ca 4.7 air mi W of Lake City at the intersection of County roads 20 and 23.
Spruce forest and riparian. Phenology: flowering.

U.S.A., Colorado, Saguache County: Southern Gunnison Basin: San Juan Mountains: from the tip of sharp bend in Forest Road 806 at ca 10960 ft to Agency Peak and Sawtooth Mountain, ca 17.6-19.2 air mi NE of Lake City.
Mixed conifer/aspen forest to alpine. Phenology: flowering.

U.S.A., Colorado, Saguache County: Southern Gunnison Basin: San Juan Mountains: Gunnison National Forest: along Continental Divide where it parallels Cochetopa Creek, ca 3-5 air mi NNW of Table Mountain; ca 7-10 air mi ENE of Stewart Peak.
Subalpine meadows; open parkland. Phenology: flowering.
Accession: RM 751076

U.S.A., Colorado, Saguache County: Southern Gunnison Basin: Cochetopa Hills: Gunnison National Forest: northeast end of Razor Creek Park, ca 1.8 air mi NW of West Baldy; ca 3 air mi SSW of Needle Creek Reservoir.
Mountain parkland. Phenology: flowering.
Accession: RM 751075

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Front Range: Donner Pass Trail from Pennock Pass Road (County Road 44H), ca 17 air mi W of Fort Collins.
East facing, open, rocky slopes of ponderosa pine and Douglas fir. Phenology: flowering.
Accession: RM 770932

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Front Range: off Laramie River Road (County Road 103), ca 40 air mi W of Fort Collins.
Beaver meadows connected with streams and a series of ponds with Salix. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Big Horn National Forest: Ten Sleep Creek near Tyrell Ranger Station.
44.0652° N, 107.3819° W; NAD 83, uncertainty 1 mi., Digital Map
Phenology: flowering.

U.S.A., Wyoming, Uinta County: Wasatch National Forest, ca 20 mi S of Mountain View.
41.0009° N, 110.3777° W; NAD 83, uncertainty 1 mi., Digital Map
In sagebrush. Phenology: flowering & fruiting.

U.S.A., New Mexico, Sandoval County: Valles Caldera National Preserve: Jemez Mountains: southwest half of Rincon de los Soldados from extreme southeast spur of Cerro del Medio to the NE.
Grassy slopes, drainages, rock outcrops, ponderosa pine savanna. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie Range: watershed of South Lodgepole Creek, ca 1 mi N of the Happy Jack Road; ca 9.5 mi ESE of Laramie.
T15N R71W S20 South1/2 of NW1/4
Edge of Pinus flexilis/Populus tremuloides woods on rocky, needle-rich duff; understory of Artemisia tridentata var. vaseyana and Purshia tridentata. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie Range: east slope of Sherman Mountains along Headquarters Trail, ca 0.2 mi W of the Blair-Wallis Road and 2.5 mi E of I-80 at the Lincoln Rest Area.
Summit meadows in opening within Pinus contorta/P. ponderosa woods. Soil rocky, dry, thin, derived from granite. Openings with Leucopoa kingii, Festuca idahoensis, Danthonia, and scattered Juniperus communis. Phenology: flowering.

U.S.A., New Mexico, Sandoval County: Valles Caldera National Preserve: Jemez Mountains: East Fork Jenez River from Baca Ranch entry road and downstream to start of canyon.
Phenology: flowering & fruiting.

U.S.A., New Mexico, Sandoval County: Valles Caldera National Preserve: Jemez Mountains: upper drainage of East Fork Jemez River S from main ranch road at south tip of Cerro del Medio to NM Hwy 4.
Meadows and streamside. Phenology: flowering.

U.S.A., New Mexico, Sandoval County: Valles Caldera National Preserve: Jemez Mountains: west end Valle Toledo, rock outcrops through "narrows" along San Antonio Creek, ca 0.5 air mi SE of Cerros de Trasquilar.
Rocky outcrops and streambank. Phenology: flowering & fruiting.

U.S.A., Colorado, Jackson County: North-central Colorado: Rabbit Ears Range: along Middle Fork Arapaho Creek on Forest Road 700, ca 1.5 air mi W of Arapaho Ridge, ca 10.5 air mi SW of Rand; ca 24 air mi S of Walden.
Aspen slopes. Phenology: flowering & fruiting.

U.S.A., Colorado, Jackson County: Medicine Bow Mountains: Colorado State Forest: off Colo Hwy 14 N of Colorado State Forest Visitor's Center, ca 20 air mi SE of Walden.
Aspen grove. Phenology: flowering.

U.S.A., New Mexico, Sandoval County: Valles Caldera National Preserve: Jemez Mountains: Valle de los Posos from intersection of road from S with Pipeline Road to above stock pond 1.2 air mi ENE of intersection.
Course of creek upstream and adjacent woods; streamside and adjacent slopes. Phenology: flowering.
with Brian Jacobs

U.S.A., New Mexico, Sandoval County: Valles Caldera National Preserve: Valle Grande, Cerro la Jara.
0E, 0N
At base of exposed west facing rocky slopes where rock meets moist meadow. Phenology: flowering.
with Elaine Jacobs

U.S.A., New Mexico, Sandoval County: Valle Grande: Jemez Springs.
In open pine woods. Phenology: flowering.
Annotations:
Annotated by David V. Clark in 1971.

U.S.A., Colorado, Jackson County: Along the Muddy Pass Road near North Park, CO.
Among willows. Phenology: flowering.
with Ruth A. Nelson

U.S.A., Colorado, Larimer County: Roosevelt National Forest. 1/2 mi from Red Feather Lakes Village.
In roadside gravel. Phenology: flowering.

U.S.A., Colorado, Routt County: ca 36 air mi NNW of Steamboat Springs, ca 35.5 air mi NNE of Hayden--along Middle Fork Little Snake River.
Flats along the river. Phenology: flowering.

U.S.A., Colorado, Grand County: Shipler Park.
Elev. 2775 m.
Meadow Phenology: flowering & fruiting.
Annotated by David V. Clark in 1971.
with I. W. Clokey

U.S.A., Colorado, Hinsdale County: On Continental Divide, Spring Creek Pass.
Woody slope. Phenology: flowering.
2. Penstemon rydbergii A. Nelson var. rydbergii
Annotated by David V. Clark in 1971.
with Roland V. Rethke and R. van Raadshooven

U.S.A., Colorado, Mesa County: Grand Mesa: above Mesa Lakes.
Rocky banks and meadows. Phenology: flowering.
1.
Annotated by C. L. Porter in 1971.

U.S.A., Colorado, Jackson County: Arapaho National Forest: Denver Creek Campground on Colo Hwy 125.
Lodgepole Pine zone. Phenology: flowering.
with Marjorie W. Porter

U.S.A., Colorado, Gunnison County: West central Colorado, region of the Gunnison Watershed.
Phenology: flowering.
1.
Annotated by Edward L. Greene in 1971.

U.S.A., Colorado, La Plata County: Chicken Creek, W. La Plata Mountains.
Phenology: flowering.
with F. S. Earle and S. M. Tracy

U.S.A., Colorado, La Plata County: Chicken Creek, W. La Plata Mountains.
with F. S. Earle and S. M. Tracy

U.S.A., Colorado, Delta County: Grand Mesa National Forest.
38.9783° N, 108.0905° W; NAD 83, uncertainty 3 mi., Nat. Geog. TOPO!
with Rosetta
Accession: USFS 499035

U.S.A., New Mexico, Colfax County: Therma.
1.
Annotated by I. W. in 1971.

U.S.A., New Mexico, Colfax County: Eagle Nest Lake.
Dry hillside. Phenology: flowering.

U.S.A., New Mexico, Sandoval County: Valle Grande meadows, Jemez Mountains.
Meadow Phenology: flowering.

U.S.A., Colorado, Jackson County: Stream bank near King's Canyon.
Sagebrush slopes. Phenology: flowering.
Annotated by Francis W. Pennell in 1971.
with Lois Payson

U.S.A., Colorado, Montrose County: Uncompahgre Divide.
Moist meadows. Phenology: flowering.

U.S.A., Colorado, Archuleta County: Pagosa Springs.
Elev. 2210 m.
Moist meadow. Phenology: flowering.
Ellsworth Bethel, 4272. 7/1/1921.
with F. S. Willey and I. W. Clokey

U.S.A., Colorado, Costilla/Huerfano County: Indian Creek Pass.
37.4579° N, 105.1568° W; NAD 83, uncertainty 2 mi., Nat. Geog. TOPO!
Open park. Phenology: flowering.

U.S.A., Colorado, Grand County: Along Highway 34 right of way. 13 mi N Grand Lake Village.
Moist, grassy area. Phenology: flowering & fruiting.
Frank S. Crosswhite, 1320. 8/7/1960.

U.S.A., Colorado, Grand County: Along Highway 34 right of way. 13 mi N Grand Lake Village.
Moist grassy area. Phenology: flowering & fruiting.
Frank S. Crosswhite, 1320. 8/7/1960.

U.S.A., Colorado, Larimer County: Colorado State University Forestry Camp. 10 mi S of Fort Collins Mt. Park.
Growing around camp buildings. Phenology: flowering & fruiting.
Frank S. Crosswhite, 1334. 8/5/1960.

U.S.A., Colorado, Routt County: Route 40, E of Steamboat Springs.
Grassy bank of streamlet. Phenology: flowering.
with R. L. Schaeffer

U.S.A., Colorado, Gunnison County: Near Gunnison River, W of Gunnison, near mouth of Ohio Creek.
Moist grassy soil. Phenology: flowering.

U.S.A., Colorado, Saguache County: Moist meadow along Agate Creek, Sargents.
Moist meadow. Phenology: flowering.

U.S.A., Colorado, Gilpin County: E of Boulder Park, Tolland.
Rocky hillside. Phenology: flowering & fruiting.

U.S.A., Colorado, Gilpin County: Small lake 1/4 mi below Tolland.
with W. W. Robbins

U.S.A., Colorado, Gilpin County: Eldora to Baltimore.
Jun 20th-July 10th, 1903 Phenology: flowering.

U.S.A., Colorado, Gunnison County: Gunnison National Forest: Black Mesa: Mesa Creek.
Annotated by Jane W. Roller.
Accession: USFS 499025

U.S.A., Colorado, Larimer County: Cameron Pass.
George E. Osterhout, 56. 8/4/1893.

U.S.A., Colorado, Larimer County: Mountains of Larimer County.
George E. Osterhout, 57. 8//1892.

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

U.S.A., Colorado, Gilpin County: Tolland.
Elev. 2715 m.
Meadow Phenology: flowering.

U.S.A., Colorado, El Paso County: Pikes Peak Region.
Disintegrated granite slides. Phenology: flowering.
Annotated by B. E. Nelson in 1978.

U.S.A., Colorado, Routt County: Routt National Forest, Hinman Park near Hinman Campground.
Sagebrush meadow. Phenology: flowering.

U.S.A., Colorado, Jackson County: Routt National Forest, less than 1 mi S of U. S. 40 on Forest Road 100; Rabbit Ears Pass.
Mountain meadow. Phenology: flowering.

U.S.A., Colorado, No county County: White River National Forest.
On south slope in black loam. Phenology: flowering.
Annotated by Francis W. Pennell in 1919.
Accession: USFS 499031

Penstemon rydbergii var. rydbergii ()
U.S.A., Colorado, Lake County: Near Leadville.
with N. T. Schedin

U.S.A., Colorado, Montrose County: Uncompahgre National Forest.
Scarce in shallow, gravel soil. Phenology: flowering.
Annotated by David D. Keck in 1949.
with Doran and Bunderson.

U.S.A., Colorado, Chaffee County: Leadville National Forest: South Cottonwood Creek: Jones Gulch.
On gentle east slope in moist sandy loam. Phenology: flowering.

U.S.A., Colorado, Jackson County: Rabbit Ears.
Among willows. Phenology: flowering.

U.S.A., Colorado, Routt County: Steamboat Springs.
Among willows. Phenology: flowering.

U.S.A., Colorado, Jackson County: Foot of Mount Richtophen on the Michigan.

U.S.A., Colorado, No county County: Rio Grande National Forest: Fullington Ranch.
Not common in sandy loam with Muhlenbergia and Idaho fescue. Phenology: flowering.
Annotated by Ronald L. Hartman.

U.S.A., Colorado, Conejos County: 2 mi N of McIntyre Peak, 1 mi E of Hidden Lake.
T33N R5E S31
Common on moist sites near stream. Phenology: flowering.
with D. Wilken

U.S.A., Colorado, Conejos County: 1.5 mi S of Dry Lake, 2 mi E of Black Mountain.
T33N R5E S24
On flat with Poa, Festuca and Deschampsia. Phenology: flowering.

U.S.A., Colorado, Mesa County: Grand Mesa National Forest: Junction on Hwy No. 65 and Lands End road.
Common on 60% east slope in loam. Phenology: flowering.
Annotated by David D. Keck in 1950.

U.S.A., Colorado, Park County: Leadville National Forest: Sheep Creek.
On 5 % south slope in black loam meadow. Phenology: flowering.

U.S.A., Colorado, Lake County: Cochetopa National Forest: Tennessee Pass.
T8S R80W S15
Common on 10 % south slope with sandy soil in grass and weeds. added information from duplicate Phenology: flowering.
Accession: USFS (unaccessioned)

U.S.A., Colorado, Lake County: Cochetopa National Forest: Tennessee Pass.
T8S R80W S15
Common on 10 % south slope in sandy soil. Phenology: flowering.
Annotated by David D. Keck.

U.S.A., Colorado, Pitkin County: White River National Forest: Castle Creek.
T12S R84W S5
On 5 % northwest slope in sandy loam with Salix, carex, Deschampsia and Poa. Phenology: flowering.
Annotated by Jane W. Roller.

U.S.A., Colorado, Routt County: Routt National Forest: California Park G. S.
T10N R87W S34
Common on 10% southwest slope in clay loam. Phenology: flowering.
Annotated by Doris W. Hayes.

U.S.A., Colorado, Gunnison County: Gunnison National Forest: Black Mesa.
Common on 5% west slope in clay loam. Phenology: flowering.
Annotated by Charles Feddema.

U.S.A., Colorado, No county County: Routt National Forest.
Annotated by Francis W. Pennell in 1919.

U.S.A., Wyoming, Albany County: Laramie Range: ca 20.5 road mi NE of U.S. Hwy 30/287 on Fetterman Road (County Road 161), then ca 8.2 road mi E on County Road 710, then ca 1.8 road mi SE on Cow Creek Mountain Access Road.
Mountain with granite outcrops. Phenology: flowering.
with J. Brondum and T. McGowan

U.S.A., Colorado, Conejos County: Osier Park area.
Meadow with Lupinus and Potentilla. Phenology: flowering.

U.S.A., New Mexico, Colfax County: Philmont Scout Ranch, near Cimarron: Near LaGrulla Lake, just S of the Ranch.
Common in meadow. Phenology: flowering.

U.S.A., Colorado, Park County: Mosquito Range: San Isabel National Forest: N of Buffalo Peaks, along Forest Service Road 431, headwaters of East Fork Lynch Creek.
4960E, 20100N; unknown, Specimen Label
Holocene & Pleistocene solifliuction debris of andesite & granite. In large mesic meadow bounded by open forest of Pinus aristata and Populus tremuloides; dominant in patches with mixed, diverse meadow species including Oxytropis splendens, O. sericea, 04960E 20100N Phenology: flowering.
with Loraine Yeatts

U.S.A., Colorado, Jackson County: Routt National Forest, Sierra Madre Mountains; S of Hog Park trailhead, drainage of the W Fork Encampment River.
T12N R84W S22
Salix spp. and shrubby cinqefoil (Pentaphylloides) along drainage, bordered by Pinus contorta and Artemisia vaseyana in drier uplands. Moist site. Phenology: flowering.

U.S.A., Colorado, Jackson County: Routt National Forest, Sierra Madre mts.; S of Hog Park trailhead, along the Encampment River, vicinity of West Fork Meadows.
T11N R84W S3
Moist opening in Picea forest. Phenology: flowering.

U.S.A., Colorado, Mesa County: Grand Mesa National Forest: Carson Lake.
Meadow on gravel shore of lake. Phenology: flowering.

U.S.A., Colorado, No county County: Cochetopa National Forest
Dry, disintegrated gravel. Phenology: flowering.

U.S.A., Colorado, Gilpin County: Tolland.

U.S.A., Colorado, No county County: Gunnison National Forest
Moist, black loam. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Hams Fork Valley: Hams Fork ca 0.5-1 air mi SE of confluence with Pole Creek; ca 14 air mi E of Cokeville.
Along the river and adjacent sagebrush-grassland slopes with some aspen; limestone and sandstone outcrops occasional. Phenology: flowering & fruiting.

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: ca 6 air mi N of Kemmerer.
Sagebrush slopes with serviceberry and coralberry and grassy flats. Phenology: flowering.
Accession: 1017748, Barcode: RM0301417

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Wheat Creek to Windy Gap and Oyster Ridge, ca 14 air mi N of Kemmerer.
Sagebrush slopes, sandstone and limestone outcrops, cushion plant communities on ridge, wet draws and stream margins. Phenology: flowering.
with Tom Cramer

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Tunp Range: Rock Creek Ridge, 0.5 air mi S of Pine Creek Ski Area.
Grassy and wooded slopes. Phenology: flowering.
with Charmaine Refsdal

U.S.A., Idaho, Fremont County: Targhee National Forest: West Slope Teton Range: Cart Hollow, ca 3 air mi NE of Lamont.
T8N R45E S28; also S33
Lodgepole pine forests with scattered meadows and wet areas.
with Rafael Molina

U.S.A., Idaho, Bonneville County: Targhee National Forest: West Slope Snake River Range: Mike Spencer Canyon, ca 2-3 air mi E of Ida Hwy 31, ca 6 air mi NE of Swan Valley.
T2N R44E S2; also S3
Mostly open valley bottom, dominated by forbs and shrubs, bordered by coniferous forest dominated by Abies lasiocarpa and Pseudotsuga menziesii with some riparian.

U.S.A., Idaho, Bonneville County: Targhee National Forest: West Slope Snake River Range: Sheep Creek Canyon, ca 2-3 air mi NE of Palisades Townsite.
T1N R45E S33; also S34
Open valley bottom dominated by shrubs and forbs, bordered by coniferous-aspen forest with some riparian.

U.S.A., Arizona, Coconino County: Kaibab Plateau: De Motte Park, ca 1 mi N of Grand Canyon National Park entrance along Ariz Hwy 67.
T34N R3E S7
Locally common in open meadow. Phenology: flowering.
with Patricia K. Holmgren

U.S.A., Colorado, Garfield County: Flat Tops/White River Plateau: Flat Tops Wilderness: vicinity of McMillan Lake, ca 30 air mi NNE of Glenwood Springs.
Meadows with northeast exposure.
James P. Vanderhorst, 1381. 7/28/1990.

U.S.A., Colorado, Eagle County: Flat Tops/White River Plateau: Deer Park, ca 7 air mi W of Burns.
Flat meadow below hill, with grasses and shrubby cinquefoil.
James P. Vanderhorst, 3415. 7/21/1991.

U.S.A., Colorado, Rio Blanco County: Flat Tops/White River Plateau: Lost Park near Lost Creek, ca 25 air mi E of Meeker.
Meadows, with Potentilla fruticosa and Artemisia.
James P. Vanderhorst, 831. 7/7/1990.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: Green River Basin: beginning of drainage to Currant Creek on top of Little Mountain at its southernmost end, ca 1 air mi N of U.S. Hwy 191; ca 12 air mi E of Flaming Gorge Reservoir; ca 34 air mi SSW of Rock Springs.
Near forest edge, mostly aspen, lots of sunlight. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: Rock Springs Uplift: top of Little Mountain, ca 3 air mi N of U.S. Hwy 191; ca 31.5 air mi SSW of Rock Springs.
In open aspen grove. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: Rock Springs Uplift: draw coming N off Little Mountain, ca 2 air mi S of The Narrows; ca 1 air mi WSW of Ramsey Peak; ca 28 air mi SSW of Rock Springs.
In aspen grove, east-facing slope. Phenology: flowering.

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

U.S.A., Colorado, Jackson County: Sierra Madre: Ellis Trail, ca 33 air mi NW of Walden.
Open moist meadow. Very few plants; flowers purple. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Salt River Range: along Strawberry Creek at the reservoir and below, ca 4 air mi ENE of Bedford, ca 13.5 air mi NNE of Afton.
Open lodgepole pine forest. Phenology: flowering & fruiting.
with Russ Nelson

U.S.A., Wyoming, Sublette County: Wyoming/Salt River Ranges: Wyoming Range: along North Horse Creek, ca 0.5 mi N of Merna Butte; ca 2 air mi W of Merna; ca 27 air mi WNW of Pinedale.
Sagebrush-grassland. Phenology: flowering & fruiting.
with Russ Nelson

U.S.A., Wyoming, Sublette County: Wyoming/Salt River Ranges: Wyoming Range: Merna Butte; 9-10 air mi WNW of Daniel Junction.
Douglas fir, subalpine fir, and aspen forest, stream margins with willow thickets, and sagebrush-grassland slopes and eroded ridges; eroded slopes and adjacent coniferous forest. Phenology: flowering & fruiting.
with Bruce Embury

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Hams Fork Valley: Hams Fork ca 0.5-1 air mi SE of confluence with Pole Creek; ca 14 air mi E of Cokeville.
Along the river and adjacent sagebrush-grassland slopes with some aspen; limestone and sandstone outcrops occasional. Phenology: flowering & fruiting.

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Salt River Range: ridge from McDougal Pass
Calcareous talus slopes up to ridge. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Salt River Range: from summit of Elk Mountain S and SW down mountain side to Squirrel Creek and valley floor; ca 9 air mi E of Alpine.
Open slopes. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Salt River Range: ca 6 air mi N of Kemmerer.
Sagebrush slopes with serviceberry and coralberry and grassy flats. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Salt River Range: Little Fall Creek, ca 26 air mi SW of Big Piney.
Grassy slopes with stream bottom and forest margins. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Wyoming/Salt River Ranges: Salt River Range: Big Fall Creek, ca 24 air mi SW of Big Piney.
Stream bottom with a series of limestone benches, waterfalls, and calcareous precipitate. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Salt River Range: east side of Commisary Ridge, ca 10 air mi SW of Viola.
Sagebrush slope and ridge with aspen groves, the ridge with sandstone outcrops. Phenology: flowering & fruiting.

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Salt River Range: Absaroka Ridge, ca 13 air mi NW of Viola.
Lodgepole pine, subalpine fir and scattered whitebark pine. Phenology: flowering.

U.S.A., Washington, Columbia County: Umatilla National Forest and Vicinity: Chase Mountain, Forest Road 6437, ca 10 mi SSE of Dayton.
Mixed conifer woods; soil fine, deep; slope 10-20; aspect southerly.

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Salt River Range: Commissary Ridge, southwest flank: Stream branch E to NE of Pole Creek, just N of Bridger-Teton National Forest's southern boundary.
Stream bottom. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains:
In sandy loam in a park and around the cliffs. Common. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: 8 mi NW of Centennial, 4 mi from Wyo Hwy 130 on Sand Lake Road; at Clark Park.
In loamy soil with Erigeron and Zigadenus. Phenology: flowering.

U.S.A., Oregon, Grant County: Umatilla National Forest and Vicinity: along trail between Boulder Butte and Dupratt Spring, ca 28 mi S and 15 mi E of Ukiah.
In lodgepole pine, subalpine fir, and spruce woods with sandy white soil; slope 0; aspect ridgetop. Phenology: fruiting.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: northeast of Little Brooklyn Lake, edge of meadow above and NE of Open Air Chapel.
Moist forb meadow.
with Deana Hopkins and Kim Zawadzki

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: E of Brooklyn Lake, near plot 214.
Moist forb meadow. Phenology: flowering.
with Tom Fletchall

U.S.A., Wyoming, Fremont County: Absaroka Mountains: ca 18 air mi N of Dubois, along Twilight Creek, ca 1 mi upstream from the junction with Horse Creek.
Whitebark pine and spruce forest. Phenology: flowering & fruiting.
Robert S. Kirkpatrick, 1728. 7/31/1983.
with Ruth E. B. Kirkpatrick

U.S.A., Washington, Garfield County: Umatilla National Forest and Vicinity: Cape Horn Ridge, ca 8 mi S and 15 mi W of Anatone.
Under ponderosa pine in fine, deep, tan soil; slope 10; aspect northeast.. Phenology: flowering.

U.S.A., Wyoming, Fremont County: South-central Transverse Ranges: Green Mountains: 1.3 mi W of Wild Horse Overlook.
Open meadow and forest edge. Phenology: flowering.

U.S.A., Washington, Asotin County: Umatilla National Forest and Vicinity: Forest Road 4304, ca 6 mi W and 1 mi S of Anatone.
Mixed conifer and partial shade in fine, deep, tan soil; slope 5-10; aspect south.

U.S.A., Wyoming, Albany County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: Wyo Hwy 34, ca 1.5 air mi W of Platte County.
Sandstone/metamorphic outcrops. Phenology: fruiting.

U.S.A., Wyoming, Lincoln County: Green River Basin: ca 15.5 air mi W of La Barge at the south end of Fontenelle Hogbacks.
Sagebrush draw. Phenology: flowering.
with Jane T. Kellett and Steve Laster

U.S.A., Wyoming, Sublette County: Green River Basin: east side of Hogsback Ridge above Calpet, ca 7.5 air mi W of La Barge.
Shrubby, northeast-facing hillside, open ridgetops, south-facing slopes, and Douglas fir shaded gulch bottom. Phenology: flowering.

U.S.A., New Mexico, Taos County: Along Forest Road 437 from Hidden Valley to Taos.
Pine forest with aspen and around 3000 m some meadows; in meadow. Perennial, flowers purple. Phenology: flowering & fruiting.
Annotated by Ronald L. Hartman.

U.S.A., Colorado, Saguache County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Cochetopa Hills: from base to the top of Mount Ouray, NE of Marshall Pass, SW of Poncha Springs.
Picea engelmannii/Pinus aristata and alpine on south-facing slope. Phenology: flowering.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: Platte River Wilderness: Douglas Creek Trail, ca 39 air mi SE of Saratoga; ca 8 air mi W of Foxpark.
Sagebrush steppe, uphill from creek. Phenology: flowering.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: confluence of Jim Creek and Little Laramie, along Forest Road 338, ca 5 air mi W of Centennial.
Edge of forest and creek meadow. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: Bennet Peak and near North Platte River and campground, ca 28 air mi NE of Encampment and ca 14 air mi SW of Ryan Park.
Banks of the river. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: Bennet Peak and near North Platte River and campground, ca 28 air mi NE of Encampment and ca 14 air mi SW of Ryan Park.
Banks of the river. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: W of the Platte River Wilderness, just W and SW of Elkhorn Point, ca 20 air mi SE of Encampment and ca 4 air mi N of Colorado.
Sagebrush hills. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: 3-3.5 mi ESE of Bennett Peak between North and South forks Corral Creek, ca 13 air mi ENE of Encampment and ca 19 air mi SE of Saratoga.
Sagebrush hills near wooded creek. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: 3-3.5 mi ESE of Bennett Peak between North and South forks Corral Creek, ca 13 air mi ENE of Encampment and ca 19 air mi SE of Saratoga.
Aspen wooded creek in sagebrush hills, many granite outcrops. Phenology: flowering & fruiting.

U.S.A., Montana, Beaverhead County: Beaverhead Mountains: Beaverhead-Deerlodge National Forest: Skinner Meadows, headwaters of the Big Hole River, ca 14 mi S of Jackson.
Seasonally wet meadow with Carex aquatilis, Deschampsia cespitosa, Antennaria corymbosa, Floekea proserpinacoides, Polygonum bistortoides, and Trifolium longipes. Phenology: flowering.

U.S.A., Colorado, Pitkin County: Red Table Mountain: White River National Forest: Freeman Picnic Area and slopes on north shore of Ruedi Reservoir, ca 14 air mi E of Basalt.
Dry to mesic slopes and riparian wetlands above reservoir. Phenology: flowering.
Michael K. Kirkpatrick, 1585. 6/20/2010.

U.S.A., Colorado, Eagle County: White River National Forest: cliffs uphill from Taylor Creek, ca 2 air mi ENE of Christine State Wildlife Area and ca 5 air mi ENE of Basalt.
Sandstone cliffs and loose slopes with scattered pinyon-juniper and mixed shrubs. Phenology: flowering.
Michael K. Kirkpatrick, 1714. 6/20/2010.
Accession: USFS 898067, Barcode: USFS0059696

U.S.A., Colorado, Eagle County: Cottonwood Pass Road (County Road 10A), ca 1 mi NE of Cottonwood Creek, ca 5 air mi SW of Gypsum.
Sagebrush-rabbitbrush shrubland with scattered oak and roadside habitats. Phenology: flowering.
Michael K. Kirkpatrick, 1770. 6/22/2010.

U.S.A., Colorado, Eagle County: White River National Forest: Gypsum Creek, just N of Dewey Park, ca 8 air mi SSE of Gypsum.
Oak-conifer uplands and roadside. Phenology: flowering.

U.S.A., Montana, Beaverhead County: Beaverhead Mountains: south slope of Peak 9992.
Mixed talus and wet streambanks. Phenology: fruiting.

U.S.A., Montana, Deer Lodge County: Anaconda Range: Kurt Peak.
South facing slope. Phenology: flowering.

U.S.A., Montana, Gallatin County: 3 mi W of West Yellowstone, along U.S. Hwy 20.
Gravelly soil at margin of lodgepole pine forest. Phenology: flowering & fruiting.

U.S.A., Montana, no county County: Beaverhead National Forest: Hogan Station Meadow.
Level slope; sandy loam soil; over upper meadow. Scarce. Phenology: flowering.
Marshall G. Ramsey, D7-31. 7/5/1922.

U.S.A., Montana: Madison National Forest.
Slope 10 degrees; northeast exposure; gravelly soil; with fescue, june-grass, wheatgrass. Not abundant. Phenology: flowering.

U.S.A., Montana, Madison County: Wall Creek Ranger Station: horse pasture.
Slope 15 degrees suoth; gravelly soil; with wheatgrass, fescue, Sieversia. Not abundant. Phenology: buds.

U.S.A., Montana, Beaverhead County: Along Joseph Creek and Hwy 43, ca 6 mi below Chief Joseph Pass.
Moist meadow with Potentilla diversifolia and Carex. Phenology: flowering.

U.S.A., Montana, Flathead County: Near the Crane Mountain road, ca 2 mi S of Woods Bay.
Open slope in Douglas fir forest with Antennaria microphylla and Phacelia hastata. Phenology: flowering & fruiting.

U.S.A., Colorado, Summit County: Gore Range: Arapaho National Forest: vicinity of Surprise Trailhead near the end of Cataract Creek Road, ca 19 air mi NW of Silverthorne at I-70.
Sagebrush-forb slopes and depressions. Phenology: flowering.

U.S.A., Colorado, Summit County: Williams Fork Mountains: Arapaho National Forest: along Cottonwood Gulch and ridge between Cottonwood and Laskey gulches from Colo Hwy 9 NE ca 1 air mi to above the head of Laskey Gulch at the base of the cliffs below Williams Peak, ca 18.5-19 air mi NNW of Silverthorne at I-70.
Lee slope with snow accumulation. Phenology: flowering.

U.S.A., Colorado, Eagle County: Hills above the West Fork Cottonwood Creek ca 1 air mi above the confluence with the main creek, ca 4 air mi S of Greenhorn Mountain and ca 3 air mi NE of Gypsum.
Sandy slopes and bottomlands with pinyon-juniper and sagebrush in openings. Phenology: flowering.

U.S.A., Colorado, Eagle County: Hardscrabble Mountain: Mayer Gulch, on the west side of County Road 110, ca 3 air mi SE of Eagle.
Dry gulch and slopes with sagebrush, rabbitbrush, and juniper. Phenology: flowering.

U.S.A., Colorado, Pitkin County: Sawatch Range: White River National Forest: Hannon Creek drainage, N of Woody Creek, ca 3 air mi W of Lenado and ca 4 air mi N of Aspen.
Dry, south-facing hillside with oak, sagebrush, and mountain shrubs. Phenology: flowering.

U.S.A., Colorado, Pitkin County: South-facing slopes of Triangle Peak, adjacent to County Road 16, ca 6 air mi SE of Basalt.
Dry slopes with juniper and sagebrush. Phenology: flowering.

U.S.A., Colorado, Grand County: Blue Valley Ranch: Coulter Reservoir.
Aspen meadow in loam on east aspect. Phenology: flowering.

U.S.A., Colorado, Grand County: Blue Valley Ranch: N of Romaine.
Decadent willow carr. Phenology: flowering.

U.S.A., Colorado, Grand County: Blue Valley Ranch: north of outhouse.
Elev. 9039 ft
Willow carr in mountain meadow with northeast aspect. Phenology: flowering.

U.S.A., Colorado, Grand County: Blue Valley Ranch: Dice Hill.

U.S.A., Wyoming, Uinta County: North Slope Uinta Mountains: Wasatch National Forest: ca 19 air mi S of Mountain View; ca 2.4 road mi S of the junction of Forest Roads 075 and 072 on the west side of Forest Road 072.
Lodgepole-aspen forest with gentle slopes. Phenology: flowering.

U.S.A., Utah, Summit County: North Slope Uinta Mountains: Wasatch National Forest: China Meadows Trailhead, ca 5 air mi S of Wyoming.
T2N R14E S7; Center of S7
Meadows and willows. Phenology: flowering.

U.S.A., Utah, Summit County: North Slope Uinta Mountains: Wasatch National Forest: Henrys Fork, ca 13 air mi SW of Lonetree, WY; ca 7.3 road mi W of forest boundary on Forest Road 077 at Henrys Fork Campground.
Drainage, willows, lodgepole pines, and meadows. Phenology: flowering.

U.S.A., Montana, Madison County: Gravelly Range: Wall Creek, ca 23 air mi S of Ennis, ca 11 air mi NE of Black Butte.
Rocky Pseudotsuga menziesii woodland. Phenology: flowering.
1. Penstemon rydbergii A. Nelson var. rydbergii .

U.S.A., Utah, Summit County: [location and coordinates withheld]
New growth in old fire area; steep, west-facing slopes; some clay soils. Phenology: flowering & fruiting.

U.S.A., Utah, Summit County: North Slope Uinta Mountains: Wasatch National Forest: ca 0.5 air mi SW of Whitney Guard Station; ca 0.2 road mi S of the junction of Forest Roads 071 and 032 on east side of Forest Road 032.
T1N R9E S4 E1/2
Meadow and willows. Phenology: flowering & fruiting.

U.S.A., Colorado, Eagle County: White River National Forest: Gypsum Creek, just N of Dewey Park, ca 8 air mi SSE of Gypsum.
Oak-conifer uplands and roadside. Phenology: flowering.
Accession: USFS (unaccessioned), Barcode: USFS0060969

U.S.A., Colorado, Eagle County: Flat Tops/White River Plateau: Deer Park, ca 7 air mi W of Burns.
Flat meadow below hill, with grasses and shrubby cinquefoil.
Accession: USFS (unaccessioned), Barcode: USFS0061667

U.S.A., Colorado, Mesa County: Grand Mesa: Grand Mesa National Forest: Skyway Ski Trail and Scales Lakes, ca 30 air mi E of Grand Junction.
Subalpine meadow with rocky outcrops and low wet areas. Phenology: flowering.
with Bernadette Kuhn, Margarette Lyon

U.S.A., Colorado, Mesa County: Grand Mesa: Grand Mesa National Forest: Lands End near Bolen Reservoir, ca 20 air mi ESE of Grand Junction.
Sagebrush/cinquefoil meadow on rocky mesa top. Phenology: flowering.

U.S.A., Colorado, Mesa County: Grand Mesa: along extension of Flowing Park or Forest Road 109 (Indian Point Trail 708) to the head of Cottonwood Creek and over to Dropoff Trail (726), ca 14-15 air mi N of Delta.
Wet to dry, rocky forb meadows. Phenology: flowering.
with Lori E. Brummer

U.S.A., Colorado, Delta County: Electric Mountain: Hubbard Creek and Terror Trail to south ridge of Electric Mountain, ca 19 air mi NNE of Hotchkiss.
Montane meadow. Phenology: flowering.

U.S.A., Colorado, Montrose County: Uncompahgre Plateau: just NE of Box Springs off of Forest Road 532, ca 19.5 air mi SSW of Montrose.
Seasonally wet meadow in subalpine. Phenology: flowering.

U.S.A., Colorado, Gunnison County: Region of the Gunnison Watershed: Gunnison.
Annotated by David V. Clark on 6//1971.
1. Penstemon rydbergii A. Nelson
Annotated by Edward L. Greene.

U.S.A., Wyoming, Sublette County: Southeast Wyoming Range: Big Fall Creek, ca 2 mi W of Bald Knoll; ca 4 mi S of Packsaddle Ridge; ca 24 air mi SW of Big Piney.
Artemisia tridentata var. vaseyana grassland on open south and southwest-facing slopes; understory of Leucopoa, Chrysothamnus viscidflorus. Phenology: flowering.
with Jane Struttmann

U.S.A., Wyoming, Park County: Yellowstone National Park: Mammoth Hot Springs.
Mounted with P. pseudoprocerus Rydb. Phenology: flowering.

U.S.A., Wyoming, Teton County: Snake River Valley, near Moose.
Phenology: flowering & fruiting.
with Ruth A. Nelson

U.S.A., Wyoming, Sheridan County: Big Horn Mountains.
Creek bottoms. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sheridan County: Piney Canyon.
Grassy flat. Phenology: flowering & fruiting.

U.S.A., Wyoming, Johnson County: East side of the Big Horn Mountains, W of Buffalo.
Phenology: flowering & fruiting.
Annotated by David V. Clark on 6//1971.
with Ruth Nelson

U.S.A., Wyoming, Albany County: Pole Mountain near Lincoln Monument.
At edge of aspen-pine forest in sandy loam. Flowers dark blue purple. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Laramie Hills: Telephone Canyon.
Annotated by David V. Clark on 6//1971.

U.S.A., Wyoming, Albany County: Antelope Basin.
In aspen thickets. Phenology: flowering.
Accession: USFS 28472, Barcode: RM0240253

U.S.A., Wyoming, Albany County: Chug Creek.
Wet flats. Phenology: flowering.

U.S.A., Wyoming, Albany County: Willow Creek.

U.S.A., Wyoming, Carbon County: Sierra Madre.
Meadow with Poa, Stipa columbiana, Valeriana edulis. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: NE of Little Mountain, ca 32 air mi S of Rock Springs.
Loamy soil in an aspen stand with Galium boreale, Bromus inermis, and Agropyron. Phenology: flowering.

U.S.A., Wyoming, Johnson County: Big Horn National Forest: Mosher Gulch.
Gentle southwest slope; clay loam; park, with blue grass, low fescue. Fairly abundant. Phenology: flowering.
Accession: USFS 409171, Barcode: USFS0070118

U.S.A., Wyoming, no county County: Medicine Bow National Forest.
Loam; meadow. Common. Phenology: flowering.
Accession: USFS 409168, Barcode: USFS0070117

U.S.A., Wyoming, Carbon County: Head of East Fork Encampment River.

U.S.A., Wyoming, Albany County: Medicine Bow National Forest: Brooklyn Lake Ranger Station pasture.
South 10 deg slope; gravelly loam; park, with weeds, grasses. Scattering. Phenology: flowering.

U.S.A., Wyoming, Albany County: Along Happy Jack Road.
At edge of aspen grove. Common; flowers light blue. Phenology: flowering.

U.S.A., Wyoming, Teton County: Grand Teton National Park.
43.7136° N, 110.7508° W; NAD 83, uncertainty 0.5 mi., Digital Map
Rocky hillsides. Flowers blue. Phenology: flowering & fruiting.

U.S.A., Wyoming, Big Horn County: Big Horn Mountains: Little Bald Mountain.
Sagebrush grassland on west-facing slope. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: West Slope Teton Range: Alaska Basin.
In rocky ledges. Scattered clumps. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Medicine Bow National Forest: Brooklyn Lodge.
Open slopes above highway. Very common; flower blue. Phenology: flowering.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: Snowy Range: unnamed lake ca 1/4 mi SW of Telephone Lakes; ca 0.34 mi S of Browns Peak.
Subalpine wet meadow adjacent to rocky lakeshore with scattered clones of Salix planifolia and S. brachycarpa. Phenology: flowering.

U.S.A., Wyoming, Albany County: Head of Pole Creek.

U.S.A., Wyoming, Sweetwater County: Bush Ranch.
Grassy flats. Phenology: flowering.

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

U.S.A., Wyoming, Carbon County: Rock Creek Canyon.
Moist opening in forest. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Sierra Madre: East Fork Encampment River, ca 13.5 air mi S of Encampment.
In low willows in moist meadow. Very few plants; flowers purple. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Morgan, southeast slope of Cooper Hill.
With Fabaceae and Asteraceae. Phenology: flowering.
Annotated by B. E. Nelson in 1987.

U.S.A., Wyoming, Lincoln County: Trail to Commissary Ridge from Hams Fork drainage, East Fork Trail.
At base of lodgepole. Forming large clumps. Phenology: flowering & fruiting.
Annotated by Noel H. Holmgren.
with John S. Shultx

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: 3.1 mi NW of Wyo Hwy 230 on the road to Albany, S of Sheep Mountain along Lake Owen Creek.
In sandy loam with Anemone and grass. Sparse. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Centennial.
Subalpine parks. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains.
Moist open slopes. Phenology: flowering.

U.S.A., Wyoming, Albany County: Centennial.
Moist meadow. Phenology: flowering.

U.S.A., Wyoming, Albany County: La Plata Mines.

U.S.A., Wyoming, Albany County: Nashs Fork.
Wet, subalpine parks. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Nashs Fork.

U.S.A., Wyoming, Lincoln County: Salt Creek at Allred Flat.
At the edge of a meadow with Geum macrophyllum and Fragaria. Phenology: flowering & fruiting.

U.S.A., Wyoming, Lincoln County: Star Valley-Greys River in the Afton Area: Stump Creek.
Growing in a fence row on the valley floor. Phenology: flowering & fruiting.

U.S.A., Wyoming, Lincoln County: Basins and Mountains of Southwest Wyoming: west end of Fossil Ridge, ca 16 air mi W of Kemmerer; 7.3 mi SW on Northwest Pipeline access road.
Artemisia/grasslands with clay loam soils, open areas. Phenology: flowering & fruiting.
with B. E. Nelson

U.S.A., Wyoming, Uinta County: North Slope Uinta Mountains: Wasatch National Forest: ca 16 air mi SW of Mountain View.
Meadow, creekside. Phenology: flowering.

U.S.A., Utah, Daggett County: North Slope Uinta Mountains: Ashley National Forest: ca 13 air mi SSW of Dutch John.
T1S R22E S6 SE1/4; also NE1/4 S7 and NW1/4 S8
Lodgepole with wet meadow. Phenology: flowering & fruiting.

U.S.A., Utah, Summit County: North Slope Uinta Mountains: Wasatch National Forest: ca 2.6 mi S of Wyoming on Forest Road 075.
Dry meadow, edge of lodgepole forest. Phenology: flowering & fruiting.

U.S.A., Montana, Ravalli County: Bitterroot Mountains: Selway-Bitterroot Wilderness: ridge E of summit of Trapper Peak.
Talus, scree and grassy slopes. Phenology: flowering.
1. Penstemon rydbergii A. Nelson var. rydbergii .

U.S.A., Utah, Summit County: North Slope Uinta Mountains: Wasatch National Forest: Willow Park, ca 23.5 air mi SSE of Mountain View, Wyoming on both sides of Forest Road 082.
West side of road, willow thicket, meandering creek, clay soils with some sand. Phenology: flowering & fruiting.

U.S.A., Utah, Summit County: North Slope Uinta Mountains: Wasatch National Forest: Henrys Fork Trail, ca 27 air mi S of Mountain View, Wyoming on east side of trail.
Meadow, Picea, willows. Phenology: flowering & fruiting.

U.S.A., Utah, Daggett County: North Slope Uinta Mountains: Ashley National Forest: ca 14 air mi SW of Manila; on north side of Forest Road 001.
Upland, lodgepole pine. Phenology: flowering & fruiting.

U.S.A., Utah, Daggett County: North Slope Uinta Mountains: Ashley National Forest: north of Spirit Lake, ca 15.5 air mi SW of Manila on both sides of Forest Road 001.
Wet meadow, spruce, Salix, red soils. Phenology: flowering & fruiting.
with S. Goodrich

U.S.A., Colorado, Fremont County: East-central Colorado: Mosquito Range to Plains: Arkansas River Drainage: along County Road 12, ca 1 air mi SW of Stoney Face Mountain, ca 15.5 air mi NNW of Cotopaxi.
In a wet meadow, and along edges of an aspen wetland. Phenology: flowering.

U.S.A., Colorado, Park County: East-central Colorado: Mosquito Range to Plains: Mosquito Range: along Lynch Creek and slopes N of West Buffalo Peak, ca 10 air mi NW of Antero Junction; ca 14.5 air mi SSW of Fairplay.
In a large meadow at lower elevation. Phenology: flowering.
with Tim Hogan and Loraine Yeatts

U.S.A., Colorado, Park County: East-central Colorado: Mosquito Range to Plains: Mosquito Range: from Weston Pass S along alpine ridges and along a tributary of the South Fork of the South Platte River, ca 11.5 air mi SW of Fairplay.
On rocky thin soils above a running stream amid willow thickets and spruce krummholz. Phenology: flowering.

U.S.A., Colorado, Park County: East-central Colorado: Mosquito Range to Plains: Platte River Mountains: Kenosha Pass and E along a drainage leading to Kenosha Creek, ca 1.2 air mi NE of intersection of Forest Road 126 and U.S. Hwy 285, ca 5 air mi NE of Jefferson.
In a wet drainage in aspen, with Potentilla fruticosa. Phenology: flowering.

U.S.A., Colorado, Park County: East-central Colorado: Mosquito Range to Plains: Platte River Mountains: Hall Valley along the North Fork of the South Platte River and adjacent slopes, ca 4.7 air mi NW of Webster.
In an open, rocky campsite above the river. Phenology: flowering.

U.S.A., Colorado, Park County: East-central Colorado: Mosquito Range to Plains: Mosquito Range: Fourmile Creek: along the creek and a ridge to N, off Forest Road 182 or County Road 18 at Forest Road 182D, ca 6 air mi S of Alma.
In open grassy flats along the stream. Phenology: flowering.
with Cassie Dunst and Rachel Turiel

U.S.A., Colorado, Park County: East-central Colorado: Mosquito Range to Plains: Continental Divide: along Lake Fork of the South Platte River to Gibson Lake and lower slopes of Whale Peak, ca 8.7 air mi NW of Jefferson.
In a clearing in Engelmann spruce/subalpine fir forest above the river. Phenology: flowering & fruiting.

U.S.A., Colorado, Park County: East-central Colorado: Mosquito Range to Plains: Continental Divide: French Pass: along the S side of French Creek to the pass, from crossing with Michigan Creek or Forest Road 54, ca 8.5 air mi NW of Jefferson.
In deep shade in moist Engelmann spruce-subalpine fir forest. Phenology: flowering.