Penstemon cyaneus (1996)
PLANTAGINACEAE
Penstemon cyaneus Pennell
U.S.A., Wyoming, Park County: Northern Absaroka Area: Wapiti Ridge Area: Houlihan Creek and ridge to southwest.
Stream bottom and forested slopes. Phenology: flowering.
Annotations:
1. Penstemon cyaneus Pennell
Annotated by David Rosenthal.
with David Rosenthal
Accession: USFS 853226, Barcode: USFS0037192

Penstemon cyaneus (1997)
PLANTAGINACEAE
Penstemon cyaneus Pennell
U.S.A., Wyoming, Park County: Northern Absaroka Area: Shoshone National Forest: Washakie Wilderness: Kitty Creek Pack Trail to Flora Lake, ca 21 air mi W of Wapiti.
Spruce/fir forest with some pine; scattered seeps. Phenology: flowering.
Accession: USFS 857214, Barcode: USFS0038936

Penstemon cyaneus (1997)
PLANTAGINACEAE
Penstemon cyaneus Pennell
U.S.A., Wyoming, Park County: Northern Absaroka Area: Shoshone National Forest: Ishawooa Mesa Trail, ca 28 air mi SW of Cody.
Sagebrush shrubland, also dry drainages with pine and juniper woodlands. Phenology: fruiting.
Accession: USFS 857213, Barcode: USFS0038935

U.S.A., Wyoming, Park County: Northern Absaroka Area: Shoshone National Forest: Ishawooa Mesa Trail, up drainage and cutbacks, ca 28 air mi SW of Cody.
Rocky and dry south facing slopes with Douglas fir and spruce forest in drainages. Phenology: flowering.

U.S.A., Wyoming, Park County: Northern Absaroka Area: Shoshone National Forest: Northern Absaroka Wilderness: Dead Indian Creek Trail, ca 21 air mi NW of Cody.
Sagebrush slopes with scattered limber pine, juniper, and spruce/fir forest in moist areas. Phenology: flowering.

U.S.A., Wyoming, Park County: Northern Absaroka Area: Shoshone National Forest: Northern Absaroka Wilderness: up Crandall Trail, ca 36 air mi WNW of Cody.
Stream bottom and slopes. Phenology: flowering.

U.S.A., Wyoming, Park County: Northern Absaroka Area: Ishawooa Creek Pack Trail.
North exposure with Douglas fir forest and spruce and along creek shoulder. Phenology: flowering.
with Jim Fowler

U.S.A., Wyoming, Park County: Northern Absaroka Area: Cabin Creek.
Stream bottom and adjacent hills. Phenology: flowering.

U.S.A., Wyoming, Park County: Northern Absaroka Area: Ishawooa Pack Trail, ca 1-3 trail mi W of Cut Coulee.
South exposure, andesitic outcrops and derivatives. Phenology: flowering.

U.S.A., Wyoming, Park County: Absaroka Mountains: Shoshone National Forest: Jack Creek Trailhead and Campground, ca 26 mi W of Meeteetse.
Elev. 7600 ft.
Sagebrush-grassland with Artemisia tridentata var. vaseyana, Elymus spicatus, and Koeleria macrantha. Phenology: flowering & fruiting.
Accession: RM 912462, Barcode: RM0066647

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: ridge just W of Kitty Creek, ca 0.5 mi S of U.S. Hwy 14, 16, & 20.
Elev. 7000 ft.
Open, rocky areas.
Accession: 725132, Barcode: RM0066954

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: north side of Crow Peak ca 1-2 mi N of U.S. Hwy 14, 16, & 20.
On steep south-facing slope in open, rocky sagebrush-grassland/Douglas fir mosaic. Phenology: flowering.
Accession: RM 731804, Barcode: RM0066970

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: southwest-northeast trending ridge 1-3 mi W of Eagle Creek and ca 0.5-1 mi S of U.S. Hwy 14, 16, & 20.
On open, rocky ridgetop with scattered Douglas fir. Phenology: flowering.

U.S.A., Idaho, Teton County: Big Hole Mountains: Targhee National Forest: Idaho Ridge, ca 1/4 mi S of Packsaddle Road (Forest Road 235); ca 12 mi WNW of Driggs.
Sagebrush-grassland with Purshia tridentata, Festuca idahoensis, and Danthonia californica. Phenology: flowering.
Accession: RM 754025

U.S.A., Idaho, Fremont County: Targhee National Forest: Island Park Plateau: ridge ca 0.5 mi NW of Blue Creek Reservoir, ca 16 mi NNW of Ashton.
Elev. 6700 ft.
Shrubland with a few scattered juniper and Douglas fir, and with Ceanothus velutinus, Symphoricarpos albus, Purshia tridentata, and Penstemon deustus.
Accession: RM (unaccessioned)

U.S.A., Idaho, Fremont County: Snake River Plains: ca 0.5 mi W of Sand Creek Road, ca 10 mi N of St Anthony.
Sparsely vegetated, high sand dunes with Elymus flavescens, Prunus virginiana var. melanocarpa, and Abronia mellifera.
Accession: RM (unaccessioned)

U.S.A., Wyoming, Hot Springs County: Southeastern Absarokas: ridge 1/4-1/2 mi N and W of Little Grass Creek, in foothills ca 20 mi S of Meeteetse.
Rocky sagebrush-grassland and limber pine woodland with Ipomopsis spicata ssp. spicata, Hymenoxys acaulis, Penstemon laricifolius, and Festuca idahoensis.
Accession: RM (unaccessioned)

U.S.A., Montana, Madison County: Henry's Lake Mountains: Gallatin National Forest: along Sheep Creek, ca 1 1/2 mi S of the Madison River.
Openings in Douglas fir forest with Antennaria anaphaloides, Conimitella williamsii, Geum triflorum, and Fragaria vesca.
Accession: (unaccessioned)

U.S.A., Wyoming, Teton County: Teton Range: J. D. Rockefeller Jr. Memorial Parkway: along Glade Creek Trail, ca 4 mi SW of Flagg Ranch.
Cliffs and talus E of trail with Ivesia gordonii, Penstemon deustus, and Senecio strepanthifolius var. rubricaulis. Phenology: flowering.
Accession: RM 780665, Barcode: RM0236208

U.S.A., Montana, Park County: Absaroka Mountains: Yellowstone National Park: Black Canyon of the Yellowstone, along the Yellowstone River between Crevice Lake and Knowles Falls.
Douglas fir forest and openings with Zigadenus venenosus var. gamineus, Geum triflorum, and Collinsia parviflora. Phenology: flowering.

U.S.A., Wyoming, Park County: Yellowstone Plateau: Yellowstone National Park: along the Lower Blacktail Trail, ca 1 mi N of the Mammoth-Tower Road.
Grassland with some sparse Artemisia tridentata var. vaseyana, Stipa richardsonii, Musineon divaricatum, and Anemone multifida. Phenology: flowering.

U.S.A., Wyoming, Park County: Yellowstone Plateau: Yellowstone National Park: along the east side of Hellroaring Creek, ca 1 mi N of the Yellowstone River.
Sagebrush-grassland with Phlox longifolia, Festuca idahoensis, and Erigeron linearis. Phenology: flowering.
Accession: RM 822248, Barcode: rm0023924

U.S.A., Wyoming, Park County: 5 mi W of Beartooth Lake.
44.9324° N, 109.6589° W; NAD 83, uncertainty 1 mi., Digital Map
Open gravelly banks. *northern Park county* Phenology: flowering.

U.S.A., Wyoming, Teton County: Grand Teton National Park: 1 mi N of junction near Moran.
43.88° N, 110.5717° W; NAD 83, uncertainty 0.5 mi., Digital Map
Gravelly moraine hillsides with Artemisia. Some albino plants. Phenology: flowering & fruiting.
Annotations:
2. Penstemon cyananthus Hook.
Annotated by F. S. Crosswhite in 1969.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: along the south side of the North Fork Shoshone River, ca 1 3/4 mi W of Elk Fork Creek and ca 1/8 mi N of U.S. Hwy 14, 16, & 20.
Sagebrush/grassland community.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: Yellowstone National Park: ridge 1/2 - 3/4 mi SW of Cody Peak; ca 1-1.5 mi N of U.S. Hwy 14, 16, & 20.
Open, rocky ridgetop, mostly southern exposures with scattered Pinus albicaulis and Abies lasiocarpa.

U.S.A., Wyoming, Park County: Southwestern Absaroka Mountains: Deer Creek Canyon, ca 3/4 mi W of canyon mouth; ca 44 mi SW of Cody.
Along trail on south side of canyon on open, rocky, steep south facing slope with scattered limber pine and Douglas fir. Associated species include Elymus spicatus, Oryzopsis hymenoides, et. al.

U.S.A., Wyoming, Teton County: Grand Teton National Park and Vicinity: Teton Range: near Colter Canyon, ca 13.5 miles NW of Moran; ca 21 air mi N of Moose.
Montane meadow and slope with Ceanothus velutinus. Phenology: flowering.
Annotations:
1. Penstemon cyaneus Pennell
Annotated by David Scott.
with Ronald L. Hartman

U.S.A., Wyoming, Teton County: Grand Teton National Park and Vicinity: Jackson Hole: west shore of Jackson Lake near Warm Springs, ca 13 air mi NW of Moran; ca 21 air mi N of Moose.
Limestone terrace and herbaceous meadow. Phenology: flowering & fruiting.
1. Penstemon cyaneus Pennell
Annotated by David Scott.
with Nancy Bockino

U.S.A., Wyoming, Teton County: Grand Teton National Park and Vicinity: Teton Range: east slope of Ranger Peak, ca 12.5 air mi WNW of Moran; ca 18 air mi N of Moose.
Shrubby slope and exposed rocky ridge. Phenology: flowering.
Annotated by David Scott.
with Ronald L. Hartman

U.S.A., Wyoming, Teton County: Grand Teton National Park and Vicinity: Teton Range: east slope of Ranger Peak, ca 12.5 air mi WNW of Moran; ca 18 air mi N of Moose.
Dry, rocky stream bed and herbaceous meadow slope. Phenology: flowering.
with David Scott

U.S.A., Wyoming, Teton County: Grand Teton National Park and Vicinity: Jackson Hole: Spread Creek near crossing of U.S. Hwy 26/89/191.
Creek bottom and bottom land. Phenology: flowering.

U.S.A., Wyoming, Teton County: Bridger-Teton National Forest: Teton Wilderness: near Pilgrim Creek, ca 7.5 air mi NW of Moran; ca 21.5 air mi NE of Moose.
Patches of mixed conifer forest and montane shrubs on a narrow ridge with well-drained soils. Phenology: flowering.
with Tacheeni Scott

U.S.A., Wyoming, Teton County: Bridger-Teton National Forest: Teton Wilderness: near East Fork Pilgrim Creek, ca 9 air mi N of Moran; ca 23 air mi NNE of Moose.
Dry and steep slope with volcanic soils. Phenology: flowering.
with Tacheeni Scott

U.S.A., Wyoming, Teton County: Bridger-Teton National Forest: Teton Wilderness: near Coulter Creek, ca 18 air mi N of Moran; ca 32 air mi NNE of Moose.
Montane ridgetop burned in 1988. Phenology: flowering.
with Tacheeni Scott

U.S.A., Idaho, Clark County: Targhee National Forest: Centennial Mountains: E of Beaver Creek along Dairy Creek, ca 16 air mi N of Dubois.
T13N R36E S25; also S35
Mostly Artemisia with many forbs and grasses.
Accession: (unaccessioned)

U.S.A., Idaho, Clark County: Targhee National Forest: Centennial Mountains: W of Signal Peak, ca 19 air mi NE of Dubois.
T13N R37E S20; also S21
Steep, forested slope dominated by Pseudotsuga menziesii and Abies lasiocarpa.
Accession: (unaccessioned)

U.S.A., Idaho, Fremont County: Targhee National Forest: Island Park Plateau: U.S. Hwy 20 between Antelope Flat Road and Little Butte Road, ca 15 air mi N of Ashton.
T11N R42E S14; also S23
Mostly roadside weeds and grasses and adjacent coniferous forest.

U.S.A., Idaho, Fremont County: Targhee National Forest: Yellowstone Plateau: along Snow Creek, ca 18 air mi NE of Ashton.
Riparian dominated by grasses and sedges.

U.S.A., Idaho, Fremont County: Targhee National Forest: Yellowstone Plateau: along Snow Creek Butte Road, ca 20 air mi NE of Ashton.
T11N R45E S26
Clearcut dominated by forbs and grasses.

U.S.A., Idaho, Fremont County: Targhee National Forest: Henrys Lake Mountains: above West Targhee Creek, ca 12 air mi NW of West Yellowstone, Montana.
T16N R43E S28
Forested slope dominated by Pseudotsuga menziesii.

U.S.A., Idaho, Clark County: Targhee National Forest: Centennial Mountains: East Camas Creek, ca 10 air mi NW of Kilgore.
T14N R38E S20
Mostly grasses and forbs on steep south-facing slope above creek.

U.S.A., Wyoming, Hot Springs County: Southeastern Absarokas: along Rock Creek, ca 2.5 mi E of Washakie Needles, ca 49 air mi WNW of Thermopolis.
Stony slope along the creek.
with Robert S. Kirkpatrick

U.S.A., Wyoming, Park County: Southeastern Absarokas: along East Fork of the South Fork Wood River between the mouth of Slaughter Creek and Guard Station Park, ca 27.3 air mi SW of Meeteetse.
Steep slopes and ledges. Phenology: flowering.
with Robert S. and Ruth E. B. Kirkpatrick

U.S.A., Wyoming, Hot Springs County: Southeastern Absarokas: the Holy City and vicinity, ca 1 mi S of Squaw Teat Butte; ca 40 air mi WNW of Thermopolis.
Meadows.

U.S.A., Wyoming, Hot Springs County: Southeastern Absarokas: along Negro Creek near the junction with Cottonwood Creek, ca 3.5 air mi NE of Squaw Teat Butte; ca 36.5 air mi WNW of Thermopolis.
Sandy and clay slopes.

U.S.A., Wyoming, Park County: Absaroka Mountains: ca 28 air mi WSW of Meeteetse, ca 1-3/4 mi SW of junction of Greybull River and Anderson Creek in the vicinity of Peak "9509".
Open exposed slopes with Artemisia frigida.
Robert S. Kirkpatrick, 1212. 7/16/1983.
with Ruth E. B. Kirkpatrick

U.S.A., Wyoming, Hot Springs County: Absaroka Mountains: ca 27 air mi SSW of Meeteetse, junction of South Fork and East Fork of South Fork Wood River and Slaughter Creek.
Big sagebrush grasslands.
Robert S. Kirkpatrick, 1534. 7/26/1983.
with Ruth E. B. Kirkpatrick

U.S.A., Wyoming, Park County: Absaroka Mountains: ca 18 mi WSW of Meeteetse, along Timber Creek in the vicinity of the Timber Creek Ranger Station.
Along the creek in wet areas and adjacent banks; rocky floodplains.
Robert S. Kirkpatrick, 2012. 8/13/1983.

U.S.A., Wyoming, Park County: Absaroka Mountains: ca 25 air mi W of Meeteetse, in the vicinity of the junction of Jack Creek and the Greybull River.
Big sage with patches of limber pine and Engelmann spruce; dry, open sagebrush slopes.

U.S.A., Wyoming, Park County: Absaroka Mountains: ca 15 air mi SW of Meeteetse, in the vicinity of Sheep Point.
Sagebrush grasslands with Crysothamnus; dry slopes.

U.S.A., Wyoming, Fremont County: Absaroka Mountains: ca 21 air mi NE of Dubois, on southern end of Steamboat Rock.
River sand and gravel bars.
with Ruth E. B. Kirkpatrick

U.S.A., Wyoming, Fremont County: Absaroka Mountains: ca 10 air mi NE of Dubois, on the north end and in the vicinity of Black Mountain.
Pseudotsuga menziesii and Pinus flexilis on limestone scree and talus with scattered rocky outcrops; dry open areas.

U.S.A., Wyoming, Fremont County: Absaroka Mountains: ca 7 air mi NNE of Dubois, south side of Spring Mountain.
Sagebrush grasslands; dry areas.

U.S.A., Wyoming, Fremont County: Absaroka Mountains: ca 18 air mi NE of Dubois, along Bear Creek, 2 mi E to SE of Kent Mountain, in the vicinity of Bear Basin.
Dry meadows.

U.S.A., Wyoming, Park County: Absaroka Mountains: ca 22 air mi SW of Meeteetse, in the vicinity and west of the junction of the Middle Fork of the Wood River and Beaver Creek.
Sagebrush grasslands; scree and talus areas.

U.S.A., Wyoming, Park County: Absaroka Mountains: ca 43 air mi SW of Cody, South Fork Shoshone River, ca 7 trail mi S of South Fork Ranger Station.
Steep talus slopes.

U.S.A., Wyoming, Park County: Absaroka Mountains: ca 22 air mi W of Meeteetse, along the North Fork of Pickett Creek.
Sagebrush grasslands; scree and talus slopes.

U.S.A., Wyoming, Park County: Absaroka Mountains: ca 33 air mi SW of Cody, at the junction of Boulder Creek and Little Boulder Creek.
Creek banks and adjacent wet areas with Douglas fir and cottonwoods.
Robert S. Kirkpatrick, 560a. 7/1/1983.

U.S.A., Wyoming, Fremont County: Absaroka Mountains: ca 10.5 air mi NE of Dubois, along Bear Creek in the vicinity of the East Fork Elk Winter Pasture Headquarters.
River bottoms and adjacent areas.

U.S.A., Wyoming, Natrona County: Big Horn Mountains: ca 20.5 air mi N of Arminto.
Limestone outcrop. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Southeastern Absarokas: Foster Draw, ca 1 mi W of Foster Reservoir, northeast end of Carter Mountain.
Irrigation ditch along base, open grassy slopes, spruce forest, and transition meadows towards alpine; open slopes, 9200-9400 feet.

U.S.A., Wyoming, Park County: Southeastern Absarokas: North Meeteetse Creek, 1.5-2.5 air mi W of Foster Reservoir, northwest end of Carter Mountain.
Rocky slopes and drainage.

U.S.A., Wyoming, Park County: Southeastern Absarokas: upper Greybull River, between Steer Creek and Cow Creek, 4.5-7 air mi NW of Kirwin.
Subalpine meadows.

U.S.A., Wyoming, Park County: Southeastern Absarokas: Boulder Basin Trail through Boulder Basin.
Drainage and grassy slopes.

U.S.A., Wyoming, Park County: Absaroka Mountains: Shoshone National Forest: ca 3/4 air mi S of Wood River, ca 0.5 mi E of South Fork Wood River, ca 20 air mi SW of Meeteetse.
Base of cliffs on steep south/southwest-facing slope and talus slope below base of cliffs. Phenology: flowering.
with Kevin J. Taylor

U.S.A., Wyoming, Park County: Absaroka Mountains: Shoshone National Forest: ca 1 W of Elk Fork, ca 3.5 air mi S of North Fork Shoshone River and U.S. Hwy 14, 16, & 20, ca 30 air mi WSW of Cody.
Sparsely vegetated south/southeast-facing slope on fine volcanic soil; all the way up ridge from Penstemon absarokensis on coarser soil with more vegetation. Phenology: flowering.
with Kevin J. Taylor

U.S.A., Wyoming, Park County: Beartooth Mountains: Shoshone National Forest: Clarks Fork Canyon along Morrison Trail just S of Cyclone Bar, ca 25 air mi NNW of Cody.
Fine black sand and small river pebbles. Phenology: flowering.
with Brian Elliott and B. E. Nelson

U.S.A., South Dakota, Harding County: Custer National Forest: Slim Buttes: just SW of Summit Pass on SD Hwy 79, ca 23.5 air mi SE of Buffalo.
Rocky outcrop in ponderosa pine and grass-dominated upland. Phenology: flowering & fruiting.
Accession: (unaccessioned), Barcode: USFS0050585

U.S.A., Wyoming, Park County: Beartooth Mountains: Shoshone National Forest: at Clarks Fork Trailhead on Wyo Hwy 296 and NE, ca 17 air mi SE of Cooke City, Montana.
On hills with Douglas fir and lodgepole pine forest with scattered meadows and aspen stands. Phenology: flowering.
Accession: RM 863104, Barcode: USFS0042579

U.S.A., Wyoming, Park County: Absaroka-Beartooth Mountains: Yellowstone National Park: along the west side of Hellroaring Creek, ca 1 mi N of the Yellowstone River.
Sagebrush-grassland with Artemisia tridentata var. vaseyana, Koeleria cristata, and Erigeron linearis. Phenology: flowering.

U.S.A., Montana, Park County: Absaroka National Forest.
T9S R8E S13
15% NW-slope; shallow rocky soil; in sagebrush site. Common, wide distribution. Phenology: flowering.
Annotated by Ray E. Umber in 1986.
Accession: RM 498337

U.S.A., Montana, Gallatin County: Yellowstone National Park: Route 191 at Grayling Creek.
Rocky bank. Phenology: flowering & fruiting.
with R. L. Schaeffer Jr.
Accession: RM 245678

U.S.A., Montana, Madison County: Tobacco Root Mountains: Granite Creek, ca 10 air mi WSW of Ennis Lake, ca 5.5 air mi N of Virginia City.
Juniperus scopulorum woodland with occasional Pseudotsuga mensiezii and Pinus flexilis. Phenology: flowering & fruiting.

U.S.A., Idaho, Butte County: Northern Snake River Plain: along highway, ca 1.8 mi ESE of Nichols Reservoir, 8.0 air mi WSW of Arco.
<25 individuals estimated in xeric solid rock within shrub-steppe vegetation, no slope, tholeiite geology. Phenology: flowering.

U.S.A., Idaho, Custer County: Challis National Forest: Lost River Range: valley of upper Big Creek, 10.4 air mi NNE of Mackay.
Well developed soil in mesic Douglas-fir vegetation; 13° slope, NNW aspect; limestone geology. 1-25 individuals apparent. Phenology: flowering.
with Wendy Irwin

U.S.A., Idaho, Custer County: Challis National Forest: Pahsimeroi Mountains: Christian Gulch at the confluence with the unnamed west fork Christian Gulch, 22.1 air mi SE of Challis.
Well developed soil in xeric Douglas-fir vegetation; 10° slope, SE aspect; alluvial geology. 1-25 individuals apparent. Phenology: flowering & fruiting.

U.S.A., Idaho, Clark County: Targhee National Forest: Lemhi Range: slopes on the north side of lower Eightmile Canyon, 20 air mi N of Howe.
Well developed soil in mesic shrub-steppe vegetation; 26° slope, S aspect; alluvial geology. 1-25 individuals apparent. Phenology: flowering.

U.S.A, Idaho, Custer County: Challis National Forest: White Knob Mountains: unnamed draw between Bedy Canyon and Big Blind Canyon, 6.5 air mi SSE of Mackay.
<25 plants estimated in xeric soil within shrub-steppe vegetation, 15 degree slope, E aspect, limestone geology. Phenology: flowering.
with Craig Scott

U.S.A, Idaho, Custer County: Challis National Forest: Pioneer Mountains: Dry Canyon, alluvial bottomland near the confluence with Antelope Creek, 18.5 air mi N of Mackay.
<25 plants estimated in xeric soil within herbaceous riparian vegetation, no slope, limestone geology. Phenology: flowering.

U.S.A, Idaho, Custer County: Challis National Forest: Southern Salmon River Mountains: canyon made by confluence of First and Second creeks, off Squaw Creek Road, 17.0 air mi SW of Challis.
<25 plants estimated in mesic soil within shrub-steppe vegetation, 5 degree slope, SSE aspect, arenite geology. Phenology: flowering & fruiting.

U.S.A, Idaho, Lemhi County: Salmon National Forest: Lemhi Range: lower end of Lemhi Union Gulch, 19.7 air mi SSE of Leadore.
<25 plants estimated in xeric soil within a Douglas-fir vegetation, 6 degree slope, NE aspect, alluvial geology. Phenology: flowering.

U.S.A, Idaho, Butte County: Challis National Forest: Lemhi Range: ridgetop dividing Middle Canyon from the unnamed south fork of South Creek, 26.0 air mi NE of Arco.
<25 plants estimated in xeric soil within a limber pine vegetation, 10 degree slope, S aspect, limestone geology. Phenology: flowering.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: Clearwater Creek Campground on U.S. Hwy 14, 16, and 20.
In sagebrush-grassland with Erigeron pumilus, Oryzopsis hymenoides and Koeleria macrantha. Phenology: flowering.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: ca 6 mi S of U.S. Hwy 14, ca 0.5 mi N of Cabin Creek and W of Eagle Creek.
On ridge. Phenology: flowering.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: ca 35 mi W of Cody along U.S. 14, 16, and 20 at Aspen Creek.
With Artemisia tridentata. Phenology: flowering.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: on ridge between Kitty and Fishhawk creeks.
North-facing slope. Phenology: flowering.

U.S.A., Idaho, Butte County: Deadman Flat, ca 9 air mi E of Arco.
Juniperus osteosperma, Artemisia tridentata, and Cercocarpus ledifolius. Phenology: flowering.
with Emma E. Stewart

U.S.A., Montana, Madison County: Tobacco Root Mountains: Harris Creek, ca 14-15 air mi WNW of Ennis, ca 6 air mi SW of South Baldy Mountain.
Rocky Juniperus scopulorum and Pseudotsuga menziesii woodland. Phenology: flowering.
1. Penstemon cyaneus Pennell.

U.S.A., Wyoming, Hot Springs County: Owl Creek Mountains: ridge on north side of Grass Creek, ca 34.5 mi NW of Thermopolis.
667645E, 4859443N; NAD 83, Specimen Label
South-facing bare slopes below woods; with Eriogonum ovalifolium var. ochroleucum, Physaria saximontana, Artemisia frigida, and Elymus spicatus. Phenology: flowering.

U.S.A., Wyoming, Park County: Yellowstone National Park: Natural Bridge area.
Dry hillside. Phenology: flowering.
with Jane, James, & Kathy Nelson

U.S.A., Wyoming, Teton County: Gros Ventre Mountains: Lower Slide Lake.
Growing with Carex sp. and Phleum pratensis; on red soil in rocky area. Common. Phenology: flowering.

U.S.A., Wyoming, Park County: Yellowstone National Park: Norris.
Phenology: flowering & fruiting.
Annotated by Frank S. Crosswhite in 1969.

U.S.A., Wyoming, Park County: Wood River.
T45N R103W S1
Slopes along river. Phenology: flowering & fruiting.
Annotated by B. E. Nelson in 1998.

U.S.A., Wyoming, Teton County: Targhee National Forest: Grizzly Creek.
T46N R117W
South 10% slope; gravelly soil; park, with Oregon grape, wild onion, phlox. In groups, abundant. Phenology: flowering.
Annotated by B. E. Nelson in 1998.

U.S.A., Wyoming, Park County: East of Moss Creek, 35.5 mi W of Cody towards Yellowstone National Park.
Phenology: flowering & fruiting.
Annotated by B. E. Nelson in 1998.
with Harold F. Eppson

U.S.A., Wyoming, Park County: East side of Moss Creek, W of Cody along U.S. Hwy 14, 20.
Phenology: flowering & fruiting.
with Harold F. Eppson

U.S.A., Wyoming, Teton County: 4-5 mi N of Moran.
Gravelly sagebrush land. Phenology: flowering & fruiting.
Annotated by Frank S. Crosswhite in 1969.

U.S.A., Wyoming, Teton County: 5 mi N of Moran.

U.S.A., Wyoming, Park County: Yellowstone National Park: Mammoth Hot Springs.
On open slopes. Phenology: flowering.
Annotated by Frank S. Crosswhite in 1969.
with Elias Nelson

U.S.A., Wyoming, Park County: Yellowstone National Park: Mammoth Hot Springs.
On open slopes. Phenology: flowering.
with Elias Nelson

U.S.A., Wyoming, Park County: Yellowstone National Park: foothills of Burner Peak.
Dry slopes with sagebrush. Phenology: flowering.

U.S.A., Wyoming, Teton County: Grand Teton National Park: near Swan Lake.
T45N R115W S2
Rocky soil with sagebrush and lodgepole pine. Phenology: flowering.
with Ragnhild Solheim

U.S.A., Wyoming, Teton County: Signal Mountain.
Phenology: flowering.
Accession: RM 242729, Barcode: rm0236204

U.S.A., Wyoming, Teton County: Moose.
Sandy bottom lands. Phenology: flowering.
with Ruth Nelson

U.S.A., Wyoming, Teton County: Grand Teton National Park: near Moose.
43.6639° N, 110.7189° W; NAD 83, uncertainty 1 mi., Digital Map
Sandy flats. Blue flowers. Phenology: flowering.

U.S.A., Wyoming, Park County: Yellowstone National Park: Bunsen Peak.

cf. Penstemon cyaneus (1948)
cf. Penstemon cyaneus Pennell
U.S.A., Wyoming, Teton County: Jackson Hole: Near Moose.
43.6569° N, 110.7326° W; NAD 83, uncertainty 2 mi., Digital Map
In sagebrush on flats. *ca 6,500 ft* Phenology: flowering & fruiting.
with Mildred S. Reed

U.S.A., Wyoming, Teton County: Yellowstone National Park: Yellowstone Lake
On the lake shore. Phenology: flowering.
with Elias Nelson

U.S.A., Wyoming, Teton County: Yellowstone National Park: Spring Creek.
On dry slopes and banks. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Yellowstone National Park: Norris.
Phenology: flowering.

U.S.A., Wyoming, Teton County: Grassy Lake on Grassy Lake Road, W of the Flagg Ranch.
Gravelly clay banks. Flowers deep blue. Phenology: flowering.
with Marjorie W. Porter