Penstemon attenuatus (1985)
PLANTAGINACEAE
Penstemon attenuatus Douglas ex Lindl.
U.S.A., Idaho, Shoshone County: Bitterroot Mountains: along Forest Road 250, ca 1 mi S of Hoodoo Pass; ca 17 mi SW of Superior, Montana.
Elev. 5800 ft.
Accession: (unaccessioned)

Penstemon attenuatus (2014)
PLANTAGINACEAE
Penstemon attenuatus Douglas ex Lindl.
U.S.A., Idaho, Idaho County: Nez Perce National Forest: Selway River Drainage: Coolwater Ridge, Forest Road 317, ca 23 air mi E of Kooskia.
Elev. 6044 ft.
Ridgeline, mixed coniferous forest. Phenology: flowering.
Annotations:
1. Penstemon attenuatus Douglas ex Lindl..
Accession: RM (unaccessioned)

Penstemon attenuatus (2014)
PLANTAGINACEAE
Penstemon attenuatus Douglas ex Lindl.
U.S.A., Idaho, Idaho County: Nez Perce National Forest: Selway River Drainage: ca 10 mi Forest Road 319 to Big Fog Mountain, ca 19 air mi NNE of Elk City.
Mixed coniferous forest with Douglas fir, western red cedar, and ponderosa pine. Phenology: flowering.
Annotations:
1. Penstemon attenuatus Douglas ex Lindl..
Accession: RM (unaccessioned)

U.S.A., Idaho, Idaho County: Nez Perce National Forest: Selway River Drainage: Lookout Butte, Forest Road 1129, ca 15.5 air mi ENE of Stites.
Elev. 5855 ft.
Mixed coniferous forest with Douglas fir, western red cedar, and ponderosa pine. Phenology: flowering.
Accession: RM (unaccessioned)

U.S.A., Idaho, Idaho County: Nez Perce National Forest: on Forest Road 284, ca 1/4 road mi inside forest boundary, ca 2.7 air mi SE of Clearwater (town).
Annotations:
1. Penstemon attenuatus Douglas ex Lindl.
Annotated by Georgia G. Thomas.
with Jack Hartman

Penstemon attenuatus ssp. hyacinthinus (1937)
Penstemon attenuatus Dougl. ex Lindl. ssp. hyacinthinus Pennell
U.S.A., Idaho, Idaho County: Beargrass Mountain Ridge, E of Beargrass Lookout.
Coniferous forest. Corolla 'hayes-blue' to 'hyacinth-blue.' Phenology: flowering.
Type Specimen: Isotype for Penstemon attenuatus Dougl. ex Lindl. ssp. hyacinthinus Pennell. Notul. Nat. Acad. Nat. Sci. Philadelphia 71: 8. 1941.
1. Penstemon attenuatus Dougl. ex Lindl. ssp. hyacinthinus Pennell
. Isotype.
Accession: RM 200511, Barcode: RM0004153

Penstemon attenuatus var. attenuatus (2000)
Penstemon attenuatus Douglas ex Lindl. var. attenuatus
U.S.A., Idaho, Adams County: Payette National Forest and Vicinity: West Mountains: just NNE of Potato Knob below Forest Road 214, ca 15 air mi SE of Council; ca 21 air mi E of Cambridge.
Semibarren volcanic field. Phenology: flowering & fruiting.
with Joy Handley

Penstemon attenuatus var. attenuatus (2000)
Penstemon attenuatus Douglas ex Lindl. var. attenuatus
U.S.A., Idaho, Idaho County: Payette National Forest and Vicinity: Salmon River Mountains: Frank Church-River of No Return Wilderness: along Trail 001 from Chamberlain Creek to Trail 017, ca 14-18 air mi NNE of Big Creek; ca 1-4 air mi S of Chamberlain Guard Station.
1° N,
Lodgepole pine-Douglas fir forest. Phenology: flowering & fruiting.

Penstemon attenuatus var. attenuatus (2000)
Penstemon attenuatus Douglas ex Lindl. var. attenuatus
U.S.A., Idaho, Idaho County: Payette National Forest and Vicinity: Frank Church-River of No Return Wilderness: along Chamberlain or Trail 001 along West Fork Chamberlain Creek from Tumbledown Bridge S, ca 20-22 air mi NNE of Big Creek; ca 2-4 air mi N of Chamberlain Guard Station.
Along the trail in lodgepole pine forest. Phenology: flowering & fruiting.

U.S.A., Idaho, Washington County: Payette National Forest and Vicinity: Hitt Mountains: along logging road off Forest Road 573 (Hill Creek Road); ca 10 air mi NW of Midvale; ca 11 air mi W of Cambridge.
Open Pseudotsuga menziesii with xeric forbs and grasses. Phenology: flowering.

U.S.A., Idaho, Washington County: Payette National Forest and Vicinity: Cuddy Mountains: Cuddy Mountain, just S of East Brownlee Creek, ca 14 air mi NNE of Cambridge; ca 18 air mi W of Council.
Overstory dominated by Pseudotsuga menziesii with patches of Populus tremuloides. Phenology: flowering & fruiting.
with Phillip G. Lawrence

U.S.A., Idaho, Idaho County: Payette National Forest and Vicinity: Salmon River Mountains: along old logging road just E of Lava Butte Lakes and Sams Throne, ca 9 air mi W of Burgdorf; ca 24 air mi NNE of New Meadows.
Wet ditch of old logging road, logged and burned fir-spruce. Phenology: flowering.

U.S.A., Idaho, Idaho County: Payette National Forest and Vicinity: Salmon River Mountains: Frank Church-River of No Return Wilderness: Flossie Lake, ca 4 air mi WNW of Chamberlain Guard Station; ca 11 air mi E of Mackay Bar.
Along shore of subalpine lake. Phenology: flowering & fruiting.

U.S.A., Idaho, Idaho County: Payette National Forest and Vicinity: Salmon River Mountains: China Mountain, ca 4 air mi SE of Warren Guard Station; ca 16 air mi NW of Big Creek Guard Station.
Abies lasiocarpa/Pinus contorta overstory. Phenology: flowering & fruiting.

U.S.A., Oregon, Morrow County: Blue Mountains: Umatilla National Forest: Herren Meadow on west side of Smith Ditch Creek, ca 19 air mi W of Ukiah.
T5S R28E S3 NW1/4
Moist meadow with Poa pratensis, Fragaria virginiana, Potentilla gracilis, Achillea millefolium.

U.S.A., Oregon, Union County: Blue Mountains: Umatilla National Forest: High Ridge Lookout, ca 6 air mi SW of Tollgate.
T2N R38E S6
Low forb community on ridgetop with Potentilla glandulosa, Antennaria luzuloides, Achillea millefolium. Thlaspi montanum. Phenology: flowering.

U.S.A., Oregon, Umatilla County: Blue Mountains: Umatilla National Forest: north side of Hidaway Creek, ca 1/4 air mi east of Hidaway Meadows, ca 16 air mi E of Ukiah.
Seep area with Abies grandis, Pinus contorta, Aconitum columbianum, Carex spp., Senecio triangularis. Phenology: flowering.
Accession: (unaccessioned)

U.S.A., Montana, Carbon County: Ca 0.5mi N of Demijohn Hollow.
T8S R27E S34
Around sagebrush in grasslands on gentle east facing slope with Festuca idahoensis, and Artemisia tridentata. Phenology: flowering.
Accession: RM 366883

U.S.A., Montana, Lincoln County: Cabinet Mountains Wilderness: north of Leigh Lake.
70% slope; exposure 180 degrees; rock crevices adjacent to a tiny spring; on an open slope and associated with an Agropyron-Festuca grassland. Phenology: flowering & fruiting.
Accession: RM 384454

U.S.A., Montana, Sanders County: N of Prospect Road: Cox Gulch Road: 1 1/2 mi N of Antimony Mine.
Along road in open Douglas fir forest; in moist places with some alderbrush. Large colonies. Phenology: flowering & fruiting.
Klaus H. Lackschewitz, 10642. 8/11/1983.
Accession: RM 521871

U.S.A., Montana, Park County: Absaroka-Beartooth Mountains: Gallatin National Forest: north side Elephant Head Mountain, ca 13 mi SE of Livingston.
T3S R11E S30
Crevices of steep, north facing limestone pavement; with Dryas octopetala, Lloydia serotina, Trifolium hardenii. Phenology: flowering.

U.S.A., Montana, Missoula County: Lolo National Forest: Jocko Mountains, 3/4 mi SSW of TV Mountain, 9.5 mi N of Missoula.
T15N R19W S33
30-80% slope; south and west exposure; roadside and roadcut; lower subalpine lodgepole pine forest; with Anaphalis margaritacea Frequent. Phenology: flowering.

U.S.A., Montana, Mineral County: Along Saint Regis River.
Open rocky places. Phenology: fruiting.

U.S.A., Montana, Ravalli County: Gird Creek.
T5N R20W S12
In Coarse, shallow soil on moderate slopes above the creek; with Pinus ponderosa and Agropyron spicatum. Phenology: flowering.

U.S.A., Montana, Deer Lodge County: Anaconda Mountains: above Storm Lake.
T4N R13W S30
In grassland on a gentle to moderate east-facing bench; with Festuca idahoensis, and Potentilla diversifolia. Common. Phenology: flowering & fruiting.

U.S.A., Montana, Lewis and Clark County: Continental divide above Rogers Pass.
Loose, gravelly soil on a steep east-facing slope; with Lupinus argenteus and Douglasia montana. Phenology: flowering.

U.S.A., Montana, Missoula County: Lolo Pass.
Disturbed area where old house had been torn or burned down; in old roadways surrounding the site and spreading into surrounding fir forest; with Epilobium, Gnaphalium, Veratrum; P. attenuatus and P. wilcoxii. Phenology: flowering & fruiting.
Frank S. Crosswhite, s.n.. 9/1/1962.
with Carol D. Crosswhite

U.S.A., Montana, Missoula County: Lolo Pass.
Disturbed area where old house had been torn or burned down; in old roadways surrounding the site and spreading into surrounding fir forest; with Epilobium, Gnaphalium, Veratrum; P. attenuatus and P. wilcoxii. Phenology: fruiting.
Frank S. Crosswhite, s.n.. 9/1/1962.
with Carol D. Crosswhite

U.S.A., Montana, Gallatin County: Gallatin National Forest: Bridger Mountain Range: East slopes of Mount Sacajawea, along trail from Fairy Lake Campground to cirque basin west of the bridger divide on the way to Sacajawea summit.
Elev. 2440 m.
45° 54' N, 110° 57' W; Specimen Label
Forest of Picea engelmannii, Pinus flexilis and Abies lasiocarpa with Geranium richardsonii, antennaria aromatica, ivesia gordonii, Castilleja cusickii, Townsendia parryi, Senecio canus, Stellaria americana; on limestone talus. Phenology: flowering.
with Travis Minish, and Shawn Francis

U.S.A., Idaho, Clearwater County: Clearwater Mountains: along North Fork Clearwater River and Forest Road 250 in Black Canyon, ca 1.5 air mi E of Flat Mountain and 32 air mi NE of Pierce.
Riparian and island NE of road. Phenology: flowering.
with B. E. Nelson

U.S.A., Idaho, Clearwater County: Clearwater Mountains: along Forest Road 711 above Cool Creek, ca 2 air mi W of Flat Mountain and ca 28.5 air mi NE of Pierce.
Steep roadcut banks of westerly aspect with prominent vernally-moist rock outcrops. Phenology: flowering.
with B. E. Nelson

U.S.A., Idaho, Clearwater County: Clearwater Mountains: along Forest Road 5201, ca 3 air mi ENE of French Mountain and ca 7 air mi NE of Pierce.
Along rocky roadcut of westerly aspect. Phenology: flowering.

U.S.A., Idaho, Clearwater County: Clearwater Mountains: Trail 154, along ridge and slopes between Teakwah Creek to the W and Jackknife Creek to the E, ca 21 air mi NE of Pierce. Collection extent ca 6 mi on and in vicinity of trail.
Habitats varied: ranging from steep, southerly-facing slopes dominated by bluebunch wheatgrass; saddles and shoulder-slopes of seral Pseudotsuga menziesii/Abies grandis communities; dense shrub thickets of Ceanothus velutinus; to prominent rock outcrops where cryptogamic crust is well-developed. History of fire disturbance evident throughout. Phenology: flowering.

U.S.A., Idaho, Latah County: Hoodoo Mountains: southern slope of range in Mountain Gulch drainage, from shoulder-slope to mid-slope along draw, ca 3 air mi E of Bald Mountain and 20 air mi NE of Potlatch.
Mixed coniferous forest dominated by sizeable seral (i.e., Larix occidentalis) and late-seral (i.e., Abies grandis) communities on shoulder slope, and Thuja plicata in moist draw. Phenology: flowering.

U.S.A., Idaho, Clearwater County: Clearwater Mountains: Isabella Creek drainage: Trail 95 along Isabella Creek and Trail 96 along Elmer Creek, ca 25 air mi NNE of Cardiff Spur and ca 2-4 air mi NW of Black Mountain.
Most areas within collection extent were dramatically reshaped by recent fire in the last ten years; fire-scarred towering Thuja plicata snags a testament to the former climax community. Disturbed areas with prolific stands of Chamerion angustifolium and, when moisture allows, Illiamna rivularis abounds. Phenology: flowering.
with Joshua Miller

U.S.A., Idaho, Clearwater County: Clearwater Mountains: Isabella Creek drainage: Trail 95 along Isabella Creek and Trail 96 along Elmer Creek, ca 25 air mi NNE of Cardiff Spur and ca 2-4 air mi NW of Black Mountain.
Most areas within collection extent were dramatically reshaped by recent fire in the last ten years; fire-scarred towering Thuja plicata snags a testament to the former climax community. Disturbed areas with prolific stands of Chamerion angustifolium and, when moisture allows, Illiamna rivularis abounds. Phenology: flowering & fruiting.
with Joshua Miller

U.S.A., Idaho, Clearwater County: Mallard Larkins Pioneer Area: north slope of Smith Ridge, along Forest Trail 240, ca 5-6 air mi NW of Black Mountain.
Mature, regal community of mountain hemlock characterized predominately by Tsuga mertensiana/Menziesia ferruginea habitat type. Phenology: flowering.
with Joshua Miller

U.S.A., Idaho, Clearwater County: Bitterroot Mountains: North Fork Clearwater River: North Fork Headwater Trail 373, spanning ca 6-9 air mi W of Montana. Collection extent includes from Trail Head to confluence of Meadow Creek, ca 3.5-4 mi.
Predominately southwesterly-facing slopes and draws with heterogeneous communities of Abies lasiocarpa, Picea engelmannii, Pinus contorta, Pseudotsuga menziesii and, to a lesser degree, Thuja plicata. Phenology: flowering.

U.S.A., Idaho, Clearwater County: Bitterroot Mountains: North Fork Clearwater River: North Fork Headwater Trail 373, spanning ca 6-9 air mi W of Montana. Collection extent includes from Trail Head to confluence of Meadow Creek, ca 3.5-4 mi.
Steep slope with numerous rock-outcrops; dominated by Pseudoroegneria spicata and well-developed cryptogamic crusts. Phenology: fruiting.

U.S.A., Idaho, Clearwater County: Clearwater Mountains: Mush Saddle and Pot Mountain Ridge, ca 3-4 air mi SW of Cold Springs Peak.
Along road and campground. Phenology: flowering.

U.S.A., Idaho, Clearwater County: Clearwater Mountains: Mush Saddle and Pot Mountain Ridge, nearby Forest Road 711, ca 3-4 air mi SW of Cold Springs Peak.
60° slope with prominent rock outcrops, of southeasterly aspect. Phenology: flowering & fruiting.

U.S.A., Idaho, Clearwater County: Clearwater Mountains: Scurvy Mountain: summit, ca 7.5 air mi NNE of Lookout Peak.
Mixed seral community comprised predominantly of Abies grandis, Picea engelmannii and Abies lasiocarpa; light gaps occasional, where large communities of Pteridium aquilinum occupy, resembling elements of the grand fir mosaic. Phenology: flowering.

U.S.A., Idaho, Clearwater County: Clearwater Mountains: along North Fork Clearwater River and Forest Road 250 in Black Canyon, at Elizabeth Mountain Trailhead, ca 33 air mi NE of Pierce.
Roadside and ditch at the edge of a Thuja forest. Phenology: flowering.
with Crista L O'Conner

U.S.A., Idaho, Clearwater County: Clearwater Mountains: along North Fork Clearwater River and Forest Road 250 in Black Canyon, ca 1.5 air mi E of Flat Mountain, ca 32 air mi NE of Pierce
Brushy banks along the road. Phenology: flowering.
with Crista L O'Conner

U.S.A., Idaho, Clearwater County: Clearwater Mountains: along Forest Road 711 above Cool Creek, ca 2 air mi W of Flat Mountain, ca 28.5 air mi NE of Pierce.
Steep roadcut bank with rock outcrops. Phenology: flowering.
with Crista L O'Conner

U.S.A., Idaho, Idaho County: Clearwater Mountains: Sherman Creek drainage along Trail 203, ca 1 air mi NE of Lochsa Historical Ranger Station.
South-facing rocky, exposed slope with little soil development. Phenology: flowering.

U.S.A., Idaho, Idaho County: Clearwater Mountains: Fish Butte, along Trail 2230, ca 2 air mi W of Lochsa Historical Ranger Station.
Southerly-facing rocky slopes comprised of mosaic of seral coniferous communities and dense stands of shrubs, predominately Ceanothus velutinus. Traces of historic fire abound and greatly influence ecology. Phenology: flowering.

U.S.A., Idaho, Latah County: Clearwater Mountains: Potlatch River drainage at Feather Creek Trail 767, ca 3/4 - 1 air mi E of Abes Knob.
Within light gap of mixed, seral coniferous community. Phenology: flowering.

U.S.A., Idaho, Idaho County: Bitterroot Mountains: Nimi'ipuu/Lewis and Clark National Historic Trail: along Forest Road 500, ca 3 3/4 air mi NNW of Rocky Point Lookout.
Decadent Douglas fir interspersed by prolifically fruiting Pseudoroegneria spicata and Koeleria macrantha; Balsamorhiza sagittata common. Aspect: south. Phenology: flowering.

U.S.A., Idaho, Idaho County: Clearwater Mountains: Bald Mountain Research Natural Area: along historic Nimi'ipuu Trail, ca 2 air mi SE of Castle Butte.
Summit and shoulder slopes of southerly aspect abundantly blanketed by fescue and prairie junegrass with occasional, dense monotypic patches of beargrass. Spruce-fir forests comprise surrounding community; noteworthy occurences of several, interspersed old growth whitebark pine amid grassland and near summit. Phenology: flowering.
with Shawn Taylor

Penstemon attenuatus var. cervinus (1937)
Penstemon attenuatus Dougl. Ex. Lindl. var. cervinus Pennell
U.S.A., Oregon, Baker County: Anthony Lake, Elkhorn Mountains.
Moist, granitic slope. Corolla chartreuse yellow. Phenology: flowering.
Type Specimen: Type? for Penstemon attenuatus Dougl. Ex. Lindl. var. cervinus Pennell. Unable to location publication. Name appears to be unpublished.
1. Penstemon attenuatus Dougl. Ex. Lindl. var. cervinus Pennell
. Isotype.
Accession: RM 245454, Barcode: RM0004928

Penstemon attenuatus var. militaris (2000)
Penstemon attenuatus Douglas ex Lindl. var. militaris (Greene) Cronquist
U.S.A., Idaho, Idaho County: Payette National Forest and Vicinity: Salmon River Mountains: just N of Josephine Lake, ca 22 air mi NNE of McCall; ca 23 air mi NE of New Meadows.
Rocky open slopes with boulder fields. Phenology: flowering.

Penstemon attenuatus var. militaris (2000)
Penstemon attenuatus Douglas ex Lindl. var. militaris (Greene) Cronquist
U.S.A., Idaho, Idaho County: Payette National Forest and Vicinity: Salmon River Mountains: above Lava Butte Lakes Creek just SE of Lava Butte, ca 9 air mi W of Burgdorf; ca 24 air mi NNE of New Meadows.
On large granite outcrop. Phenology: flowering.

Penstemon attenuatus var. militaris (2000)
Penstemon attenuatus Douglas ex Lindl. var. militaris (Greene) Cronquist
U.S.A., Idaho, Idaho County: Payette National Forest and Vicinity: Salmon River Mountains: south end of Lava Ridge, ca 3/4 mi E of Hazard Lake, ca 20 air mi N of McCall; ca 18 air mi NNE of New Meadows.
Burned whitebark pine-lodgepole pine-subalpine fir woodland. Phenology: flowering.

U.S.A., Idaho, Idaho County: Payette National Forest and Vicinity: Salmon River Mountains: S of Hazard Lake along Hazard Creek, ca 17 air mi NNE of New Meadows; ca 20 air mi N of McCall.
Open mixed conifer forest with burned areas. Phenology: flowering.

U.S.A., Idaho, Adams County: Payette National Forest and Vicinity: West Mountains: at the head of Bench Creek, ca 9 air mi NE of Council; ca 10 air mi S of New Meadows.
Ponderosa pine plantation on lava. Phenology: flowering.

U.S.A., Idaho, Valley County: Payette National Forest and Vicinity: Salmon River Mountains: Boulder Summit, ca 0.5 air mi E of Boulder Mountain, ca 8.5 air mi ESE of McCall.
Open slopes. Phenology: flowering.

U.S.A., Idaho, Valley County: Payette National Forest and Vicinity: Long Valley: along the North Fork Payette River at Hartsell Bridge, ca 8.5 air mi SSW of McCall; ca 5 air mi NW of Donnelly.
Sandy river bottom with overflow channels and woodland patches. Phenology: flowering.

U.S.A., Idaho, Adams County: Payette National Forest and Vicinity: West Mountains: along Forest Rd 718 just N of Mill Creek Summit, ca 21 air mi ESE of Cambridge; ca 22 air mi E of Midvale.
Scabland dominated by Lomatium. Phenology: flowering.

U.S.A., Idaho, Adams County: Payette National Forest and Vicinity: West Mountains: Anderson Creek Trail (Trail 212) off Forest Road 835, ca 9 air mi NE of Cascade; ca 15 air mi SE of Council.
Trailside and creekside; subalpine fir/Douglas fir overstory. Phenology: flowering.
with Erin Peters

U.S.A., Idaho, Idaho County: Payette National Forest and Vicinity: Salmon River Mountains: peak just W of Fisher Creek Saddle, ca 17 air mi N of McCall; ca 15 air mi NNE of New Meadows.
Sparse subalpine community on granite parent material with Saxifraga bryophora var. tobiasiae. Phenology: flowering.
with Erin Peters

U.S.A., Idaho, Idaho County: Payette National Forest and Vicinity: Salmon River Mountains: Pony Meadows, ca 5 air mi S of Warren; ca 18 air mi WNW of Big Creek Guard Station.
Subalpine fir/lodgepole pine forest. Phenology: flowering.
with Erin Peters

U.S.A., Idaho, Washington County: Payette National Forest and Vicinity: Hitt Mountains Area: between Bear Saddle and Coffee Flat, ca 15 air mi NW of Midvale; ca 15 air mi WNW of Cambridge.
Shrubfield in logged area with Abies lasiocarpa, Ceanothus velutinus, Prunus, Symphoricarpos, and Artemisia tridentata. Phenology: flowering.

U.S.A., Idaho, Valley County: Payette National Forest and Vicinity: Salmon River Mountains Area: Elk Summit, ca 13 air mi NNE of Yellow Pine; ca 14.5 air mi SE of Warren.
Scree slope. Phenology: flowering.
with Alma Hansen

U.S.A., Idaho, Valley County: Payette National Forest and Vicinity: Salmon River Mountains Area: Spring Creek on Forest Road 340, ca 6.5 air mi NE of Yellow Pine; ca 8 air mi SSW of Big Creek.
Meadow dominated by Carex and Artemisia tridentata. Phenology: flowering & fruiting.

U.S.A., Idaho, Valley County: Payette National Forest and Vicinity: Frank Church-River of No Return Wilderness: Lick Creek Trail to Lick Lake, ca 2-4 air mi SSE of Big Creek; ca 12-12.5 air mi NE of Yellow Pine.
Open Abies lasiocarpa/Pinus contorta overstory. Phenology: flowering.

U.S.A., Idaho, Valley County: Payette National Forest and Vicinity: Frank Church-River of No Return Wilderness: Lick Creek Trail to Lick Lake, ca 2-4 air mi SSE of Big Creek; ca 12-12.5 air mi NE of Yellow Pine.
Edge of subalpine pond. Phenology: flowering.

U.S.A., Idaho, Washington County: Payette National Forest and Vicinity: Hitt Mountains Area: Sturgill Peak along Forest Road 009, ca 13.5 air mi WNW of Cambridge; ca 14 air mi NW of Midvale.
Pseudotsuga menziesii/Abies lasiocarpa/mixed shrubs; basalt parent material. Phenology: flowering.

U.S.A., Idaho, Idaho County: Payette National Forest and Vicinity: Salmon River Mountains Area: Carey Dome, ca 8.5 air mi N of Burgdorf; ca 10 air mi E of Riggins.
Stand replacing fires five years previous; granite parent material. 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 fire five years previous; granite parent material; moist area. Phenology: flowering.

U.S.A., Idaho, Idaho County: Payette National Forest and Vicinity: Grass Mountains Area: Grass Mountain Lakes Trail and lower east-facing slopes, ca 14.5 air mi NNE of New Meadows; ca 18.5 air mi NNW of McCall.
Open Abies lasiocarpa and subalpine meadows; granite parent material. 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.
Disturbed area. Phenology: flowering.
with Denise L. Fairbanks

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.
Edge of Pinus contorta stand by lake. 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, Adams County: Payette National Forest and Vicinity: Hells Canyon Wilderness: Deep Creek Trail, ca 8 air mi NE of Cuprum; ca 19 air mi NW of New Meadows.
Steep southwest-facing slope, open Abies lasiocarpa/Polygonum phytolaccifolium; sheep drive way. Phenology: flowering.

U.S.A., Idaho, Adams County: Payette National Forest and Vicinity: Hells Canyon Natural Recreation Area: Black Lake, ca 9.5 air mi NE of Cuprum; ca 20 air mi NW of New Meadows.
Subalpine lake and shore; Abies lasiocarpa overstory. Phenology: flowering & fruiting.

U.S.A., Idaho, Blaine County: Pioneer Mountains: Sawtooth National Forest: ca 1 mi SW of Hyndman Peak, ca 13 mi NE of Ketchum.
Open, subalpine whitebark pine parkland with Haplopappus acaulis, Valeriana edulis, Machaeranthera canescens, and Artemisia tridentata var. vaseyana.
Accession: RM 913788, Barcode: RM0068792

U.S.A., Idaho, Clearwater County: Clearwater/Bitterroot Mountains: Clearwater National Forest: along Forest Road 382, 12 mi N of Elk River.
T41N R3E S17
Opening in coniferous forest with Pteridium aquilinum, Paxistima myrsinites, Plantago lanceolata, and Symphoricarpos albus. Phenology: flowering.

U.S.A., Montana, Mineral County: Near Lookout Pass.
47° 26.7' N, 115° 42.1' W; unknown, , Specimen Label
Rocky bank, with Acer, Amelanchier. Flowers pink-lavender to blue-purple. Phenology: flowering.

U.S.A., Idaho, Custer County: Copper Basin: valley floor between Bellas Canyon and Broad Canyon, 18.7 air mi WSW of Mackay.
T5N R21E S10
25-75 individuals estimated in mesic soil within a forb dominated meadow, 3 degree slope, ESE aspect, till geology. Phenology: flowering & fruiting.

U.S.A., Idaho, Custer County: Challis National Forest: White Knob Mountains: headwaters valley of Corral Creek, 8 air mi WSW of Mackay.
Well developed soil in mesic lodgepole pine vegetation; 6° slope, W aspect; porphyry/ganitoid geology. 1-25 individuals apparent. Phenology: flowering.

U.S.A., Idaho, Custer County: Challis National Forest: Boulder Mountains: unnamed glacial canyon NE of Kent Peak, 14.1 air mi N of Sun Valley.
Well developed soil in mesic whitebark pine vegetation; 15° slope, ESE aspect; argillite/limestone geology. 1-25 individuals apparent. Phenology: flowering & fruiting.

U.S.A., Idaho, Custer County: Challis National Forest: Cape Horn Area: unnamed lake ca 1 mi NW of Banner Summit, 16.8 air mi WNW of Stanley.
Well developed soil in xeric lodgepole pine vegetation; 0° slope; morainal geology. 1-25 individuals apparent. Phenology: flowering & fruiting.

U.S.A., Idaho, Custer County: Challis National Forest: Cape Horn Area: west shore of big Cape Horn Lake, 16.6 air mi NW of Stanley.
Sandy or gravelly soil in xeric lodgepole pine vegetation; 21° slope, E aspect; morainal geology. 26-75 individuals apparent. Phenology: flowering & fruiting.

U.S.A., Idaho, Custer County: Challis National Forest: Salmon River Mountains: small drainage below lake 8,741, S of Mount Jordan, 18.5 air mi NNE of Stanley.
Well developed soil in mesic grassland vegetation; 10° slope, ESE aspect; dacite geology. 26-75 individuals apparent. Phenology: flowering.
with Wendy Irwin

U.S.A., Idaho, Lemhi County: Salmon National Forest: Salmon River Mountains: north shore of Iron Lake, 16.6 air mi NNW of Ellis.
Sandy or gravelly soil in xeric whitebark pine vegetation; 13° slope, SE aspect; siltite/metasandstone geology. 1-25 individuals apparent. Phenology: flowering & fruiting.

U.S.A., Idaho, Lemhi County: Salmon National Forest: Beaverhead Mountains: ridgetop SW of Stein Mountain near the summit, 6.4 air mi ENE of North Fork.
Well developed soil in xeric shrub-steppe vegetation; 20° slope, SW aspect; feldspathic metasandstone geology. 1-25 individuals apparent. Phenology: flowering.
with Wendy Irwin

U.S.A., Idaho, Lemhi County: Salmon National Forest: Salmon-Bitterroot Divide: ridge between Allan Mountain and Point 8892, 13.2 air mi NNW of North Fork.
Sandy or gravelly soil in xeric whitebark pine vegetation; 4° slope, SSW aspect; feldspathic metasandstone geology. 1-25 individuals apparent. Phenology: flowering & fruiting.

U.S.A., Idaho, Custer County: Challis National Forest: White Knob Mountains: west slope of Cabin Mountain, 9.6 air mi WSW of Mackay.
Sandy or gravelly soil in xeric barren ground vegetation; 26° slope, WSW aspect; silicate sedimentary geology. 1-25 individuals apparent. Phenology: flowering & fruiting.

U.S.A., Idaho, Custer County: Challis National Forest: Pioneer Mountains: upper valley of Boulder Creek, 13.5 air mi NE of Sun Valley.
Well developed soil in mesic shrub-steppe vegetation; 13° slope, ENE aspect; conglomerate geology. 1-25 individuals apparent. Phenology: flowering & fruiting.

U.S.A., Idaho, Custer County: Challis National Forest: Pioneer Mountains: southwest shore of unnamed lake SW of Fishpole Lake, 22.7 air mi SSW of Mackay.
Well developed soil in mesic herbaceous riparian vegetation; 5° slope, 0 aspect; siliciclastic sedimentary geology. 26-75 individuals apparent. Phenology: flowering.

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 shrub-steppe vegetation, no slope, limestone geology. Phenology: flowering & fruiting.

U.S.A, Idaho, Custer County: Challis National Forest: Copper Basin: "The Swamps", 12.3 air mi SW of Mackay.
25-75 plants estimated in mesic soil within shrub-steppe vegetation, 1 degree slope, NW aspect, alluvial geology. 25-75 plants estimated. Phenology: flowering.

U.S.A, Idaho, Custer County: Challis National Forest: Pioneer Mountains: valley at the head of Lake Creek, S of Rough Lake, 18.0 air mi SW of Mackay.
<25 plants estimated in xeric soil within a whitebark pine vegetation, 6 degree slope, N aspect, granite geology. Phenology: flowering.
with Ben Legler

U.S.A., Idaho, Lemhi County: Salmon National Forest: Salmon-Bitterroot Divide: Spring Creek Road (Forest Road 038) just S of the Continental Divide near the head of West Fork Bitterroot River.
Forest with Engelmann spruce, subalpine fir, lodgepole pine, and whitebark pine. Phenology: flowering & fruiting.
1. Penstemon attenuatus Douglas ex Lindl. var. militaris (Greene) Cronquist
Annotated by Joshua J. Irwin.

U.S.A., Idaho, Lemhi County: Salmon National Forest: Salmon-Bitterroot Divide: Spring Creek Road (Forest Road 038), Blue Nose Lookout.
Phenology: flowering & fruiting.
1. Penstemon attenuatus Douglas ex Lindl. var. militaris (Greene) Cronquist
Annotated by Joshua J. Irwin.

Penstemon attenuatus var. palustris (2002)
Penstemon attenuatus Douglas ex Lindl. var. palustris (Pennell) Cronquist
U.S.A., Oregon, Grant County: Blue Mountains: Umatilla National Forest: 1/4 air mi N of Ben Harrison Peak, ca 8 air mi SW of Granite.
T9S R34E S35 SW1/4 of SW1/4
Open, granitic, north-facing slopes with Abies lasiocarpa, Juncus parryi, Potentilla fruticosa. Phenology: flowering.

Penstemon attenuatus var. palustris (2001)
Penstemon attenuatus Douglas ex Lindl. var. palustris (Pennell) Cronquist
U.S.A., Oregon, Umatilla County: Umatilla National Forest and Vicinity: Denning Springs on Pearson Creek, ca 11 air mi from Butte Mountain State Park.
Parking and road area near creek and spring; mixed conifer overstory of mature age; soil rocky; slope 0-10; aspect westerly and ravine. Phenology: flowering.

Penstemon attenuatus var. palustris (2001)
Penstemon attenuatus Douglas ex Lindl. var. palustris (Pennell) Cronquist
U.S.A., Oregon, Umatilla County: Umatilla National Forest and Vicinity: near lookout at Ruckel Junction.
Open area near Douglas fir/tamarack forest; soil of interspresed areas with shallow "ruddy" soil, rock, and "biscuit" areas of deeper soil; slope 0-15; aspect ridgetop and west. Phenology: flowering.

U.S.A., Oregon, Umatilla County: Umatilla National Forest and Vicinity: Bradley Flat Spring on Forest Road 030 off Forest Road 5415, ca 5.5 air mi E of Battle Mountain State Park.
On the mountainside in open area close to road; Achillea and Dactylis dominant; soil fine, deep; slope 0; aspect northwesterly. Phenology: flowering.

U.S.A., Oregon, Umatilla County: Umatilla National Forest and Vicinity: from Forest Road 31 at Forest Road 3109 going up Sugar Loaf Mountain.
Gently sloping terrain, grand fir with Lonicera understory; soil fine, deep, brown; slope 0-5; aspect mountain top. Phenology: flowering.

U.S.A., Oregon, Grant County: Umatilla National Forest and Vicinity: Desolation Meadows, along Forest Road 10 and 1010.
Open meadow surrounded by lodgepole pine and spruce stands; along stream bank; soil organic; slope 0; aspect none. Phenology: fruiting.

U.S.A., Washington, Columbia County: Umatilla National Forest and Vicinity: 2 mi W of the Tucannon River, where Forest roads 46 and 4610 join.
In "biscuit" like area with roses, Salix, Geum, Hackelia, Thalictrum; soil fine, deep, brown; slope 5-15; aspect east and west. Phenology: flowering.

U.S.A., Washington, Columbia County: Umatilla National Forest and Vicinity: 2 mi W of the Tucannon River, where Forest roads 46 and 4610 join.
Roadside in biscuit area, partial conifer shade; soil fine, deep; slope 5-15; aspect east and west. Phenology: flowering.

U.S.A., Oregon, Umatilla County: Umatilla National Forest and Vicinity: Black Mountain Circle, Forest Road 80 off Forest Road 3128, ca 10 air mi ENE of Emmigrant State Park.
Dry area of mixed conifer woods; soil fine, deep, pale; slope 0-15; aspect east. Phenology: flowering.

U.S.A., Washington, Garfield County: Umatilla National Forest and Vicinity: Wickiup along Forest Road 43, ca 12 air mi SSE of Peola.
Dry woods and opening, disturbed; soil fine, deep, brown; slope 0-10; aspect ridgetop. Phenology: flowering.

U.S.A., Washington, Garfield County: Umatilla National Forest and Vicinity: along Forest Road 40 near Clearwater Heliport, ca 7 air mi SSW of Peola.
Scab and dry forest with Vaccinium understory; soil shallow to fine and deep; slope 5; aspect south. Phenology: flowering.

U.S.A., Washington, Garfield County: Umatilla National Forest and Vicinity: Sunset Point near Forest Road 40 and 4027, ca 10 air mi S of Peola.
Dry woods with young stand of mixed conifers and Vaccinium understory; soil fine, deep, pale; slope 0-5; aspect ridgetop. Phenology: flowering.

U.S.A., Oregon, Union County: Umatilla National Forest and Vicinity: Jubilee Lake.
Dry woods with Douglas fir dominant and Vaccinium in the understory; soil fine, deep, ashy, pale; slope 0; aspect none. Phenology: flowering.

U.S.A., Oregon, Wallowa County: Umatilla National Forest and Vicinity: near Bone Springs off Forest Road 64, ca 1.5 mi NE of Mottet Campground.
Wet meadow and ephemeral creek in sun to partial shade; soil fine, brown, deep to organic; slope 0-10; aspect easterly. Phenology: flowering.

U.S.A., Oregon, Wallowa County: Umatilla National Forest and Vicinity: near Buckskin Spring.
Scab; soil poorly drained, shallow, over basalt parent material; slope 0-10; aspect ridgetop and easterly. Phenology: fruiting.

U.S.A., Oregon, Wallowa County: Umatilla National Forest and Vicinity: near Buckskin Spring.
"Biscuit" on slope and crevices where ephemeral stream may have been; soil fine, deep, light brown; slope 0-10; aspect ridgetop and easterly. Phenology: flowering.

U.S.A., Washington, Walla Walla County: Umatilla National Forest and Vicinity: Cold Springs ca 1/2 air mi from Table Rock Lookout, ca 16 air mi E from Walla Walla.
Partially shaded by Alnus and Sorbus in a wet area close to spring; soil fine, deep, light brown; slope 5-10; aspect easterly. Phenology: flowering.

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

U.S.A., Oregon, Union County: Umatilla National Forest and Vicinity: Forest Road 31 where Forest Road 3120 splits off, ca 11 mi N of La Grande.
Partial shade of Douglas fir, grand fir, spruce overstory; soil fine, deep, brown. Phenology: flowering.

U.S.A., Oregon, Umatilla County: Umatilla National Forest and Vicinity: Forest Road 21 near Bear Camp Springs, ca 10 air mi NNW of La Grande.
Under mixed conifers; soil fine, semi-deep; slope 0-20; aspect westerly. Phenology: fruiting.

U.S.A., Oregon, Umatilla County: Umatilla National Forest and Vicinity: Forest roads 31 and 3128, ca 10 mi W of Elgin.
Sunny area; soil moderately deep; slope 0-20; aspect southwest and northeast. Phenology: fruiting.

U.S.A., Washington, Columiba County: Umatilla National Forest and Vicinity: near Little Turkey residence, ca 15 air mi SSE of Dayton.
Partial shade; soil fine, deep; slope 5-20; aspect south. Phenology: fruiting.

U.S.A., Washington, Columbia County: Umatilla National Forest and Vicinity: Forest Road 64, ca 2 mi W of Bluewood Ski Area, ca 10 air mi E of Walla Walla.
Scab; soil shallow. Phenology: fruiting.

U.S.A., Oregon, Wallowa County: Umatilla National Forest and Vicinity: Timothy Spring Trail along South Fork Wenaha River to Milk Creek, ca 24 air mi E of Milton-Freewater.
Open slope; soil shallow; slope 5-10; aspect northerly. Phenology: fruiting.

U.S.A., Oregon, Union County: Umatilla National Forest and Vicinity: Bald Mountain W of and overlooking Looking Glass Creek, ca 2.5 air mi E of Tollgate.
Ridgetop dominated by forbs, with scattered shrubs and conifers; soil generally shallow to rock outcrops; slope 5-10; aspect southerly. Phenology: flowering.
with Stuart Markow

U.S.A., Oregon, Umatilla County: Umatilla National Forest and Vicinity: where Forest roads 3130 and 3128 meet, ca 2 air mi ENE of Goodman Lookout.
Open area near road- rocky soil transitioning to mesic shady area with deeper soil; soil fine, brown; slope 0-5; aspect none. Phenology: flowering.

U.S.A., Oregon, Wallowa County: Umatilla National Forest and Vicinity: where Forest roads 62 and 6214 intersect, near the trail to Hoodoo.
Mixed conifer stand; soil fine, ashy, light colored; slope 0-10; aspect ridgetop and south. Phenology: flowering.

U.S.A., Oregon, Wallowa County: Umatilla National Forest and Vicinity: where Forest roads 62 and 6214 intersect, near the trail to Hoodoo.
Wet meadow with Senecio, Lupinus and Castilleja in sunny opening, surrounded by mixed conifer stand; soil organic, deep; slope 0-5; aspect south. Phenology: flowering.

U.S.A., Oregon, Wallowa County: Umatilla National Forest and Vicinity: off Forest Road 64 and old Forest Road 240.
Along old road in mixed conifer woods; soil disturbed; slope 0- 10; aspect north. Phenology: flowering.

U.S.A., Oregon, Grant County: Umatilla National Forest and Vicinity: Spring Creek, Forest Road 1010.030, ca 9 air mi SW of Dale.
Ponderosa pine and Douglas fir with open slopes. Phenology: flowering.
1. Penstemon attenuatus Douglas ex Lindl. var. palustris (Pennell) Cronquist
Annotated by Heather Bradtke.
with Heather Bradtke

U.S.A., Oregon, Grant County: Umatilla National Forest and Vicinity: North Fork John Day Wilderness: from Moon Meadows along Packsaddle Trail, near Forest Road 5225, ca 8 mi N and 6 mi W of Granite.
Mixed conifer woods near meadow; slope 0-10; aspect easterly. Phenology: fruiting.

U.S.A., Oregon, Grant County: Umatilla National Forest and Vicinity: North Fork John Day Wilderness: Corral Creek Trail, ca 9 mi N and 10 mi W of Granite.
Mixed conifer forest, wilderness trial with lots of lodgepole pine (dominant); slope 5-15; aspect southerly. Phenology: fruiting.

U.S.A., Oregon, Morrow County: Umatilla National Forest and Vicinity: Forest Road 2120 and 20, ca 21 mi S and 4 mi E of Heppner.
Under Douglas fir and grand fir overstory in a shady creek with organic soil, slope 0-5; aspect none. Phenology: flowering.

U.S.A., Oregon, Morrow County: Umatilla National Forest and Vicinity: Forest Road 2106 and 40, ca 17 mi W and 5 mi S of Ukiah.
Undrained area with lodgepole pine, ponderosa pine, and Douglas fir overstory with chocolate brown soil; slope < 5. Phenology: flowering.

U.S.A., Oregon, Morrow County: Umatilla National Forest and Vicinity: near Forest roads 5327, 5316, and 210, ca 11 mi W of Ukiah.
Mixed conifer forest in fine, deep, chocolate brown soil; slope 0-5; aspect 0. Phenology: flowering.

U.S.A., Oregon, Grant County: Umatilla National Forest and Vicinity: Howards Meadow and East Fork Meadow Brook Creek, ca 2 mi S of Dale.
Meadow and wetland along creek in organic soil; slope 0; aspect none. Phenology: flowering.

U.S.A., Washington, Garfield County: Umatilla National Forest and Vicinity: Forest Road 40, ca 5 mi S and 19 mi E of Dayton.
Open mountaintop in fine, light brown soil; slope 0-5; aspect mountaintop. Phenology: flowering.

U.S.A., Oregon, Umatilla County: Umatilla National Forest and Vicinity: Bobsled Ridge, ca 17 mi S and 8 mi E of Milton-Freewater.
Mixed conifer stand in fine, deep, brown soil; slope 5-15; aspect east. Phenology: flowering.

U.S.A., Oregon, Grant County: Malhuer National Forest and Vicinity: Forest Road 2010, ca 7 mi S and 7 mi W of Granite.
Spring and surrounding spruce woodland in organic soil; slope 0-5; aspect southeast. Phenology: flowering.

U.S.A., Oregon, Grant County: Umatilla National Forest and Vicinity: Morris Mine Lake, Forest Road 2010, ca 6 mi S and 7 mi W of Granite.
In partially shaded stream near lake in organic soil; slope 0-5; aspect NW. Phenology: flowering.

U.S.A., Oregon, Union County: Umatilla National Forest and Vicinity: Forest Road 31, ca 2 mi S and 8 mi W of Elgin.
Partially shaded slope in rocky to fine, tan soil; slope 15; aspect ravine. Phenology: fruiting.

U.S.A., Oregon, Umatilla County: Umatilla National Forest and Vicinity: Forest Roads 3128 and 190 on Bobsled and Plenty Bear ridges, ca 11 mi S and 7 mi E of Weston.
Grass steppe; slope 5-10; aspect west. Phenology: fruiting.

U.S.A., Washington, Columbia County: Umatilla National Forest and Vicinity: Maloney Mountain-Forest Road 4625, ca 4 mi S and 13 mi E of Dayton.
Mixed conifer overstory with Vaccinium and Chimaphila in understory; slope <5; aspect butte top. Phenology: flowering.

U.S.A., Washington, Columbia County: Umatilla National Forest and Vicinity: Wenaha-Tucannon Wilderness: Burnt Flat, ca 2 mi S and 22 mi E of Walla Walla.
Pale brown soils and basalt. Phenology: flowering.

U.S.A., Washington, Columbia County: Umatilla National Forest and Vicinity: Wenaha-Tucannon Wilderness: Sawtooth Ridge, ca 2 mi S and 22 mi E of Walla Walla.
Area with lodgepole pine, spruce, and Aconitum. Phenology: flowering.

U.S.A., Washington, Garfield County: Umatilla National Forest and Vicinity: Devils Tailbone Ridge, ca 2 mi S and 15 mi W of Anatone.
Grass dominated ridgetop. Phenology: fruiting.

U.S.A., Washington, Columbia County: Umatilla National Forest and Vicinity: Wenaha-Tucannon Wilderness: Horse Ridge on Mt. Misery Trail, ca 1 mi N and 23 mi W of Anatone.
Mixed conifer woods with brown powdery soils; slope 0-15; aspect ridgetop and southwest. Phenology: flowering.

U.S.A., Washington, Garfield County: Umatilla National Forest and Vicinity: Hard-to-get-to Ridge at end of Forest Road 4027; ca 4 mi N and 17 mi W of Anatone.
Along the road; slope 5-15, aspect northwest. Phenology: fruiting.

U.S.A., Washington, Columbia County: Umatilla National Forest and Vicinity: Wenaha-Tucannon Willderness: from Moolack Spring to West Butte, ca 30 mi E and 3 mi N of Walla Walla.
Grand fir/spruce; slope 5-15; aspect north. Phenology: flowering.

U.S.A., Washington, Columbia County: Umatilla National Forest and Vicinity: Wenaha-Tucannon Willderness: on Smooth Ridge Trail, ca 32 mi E of Walla Walla.
In deep soils; slope 5-15; aspect south and west. Phenology: fruiting.

Penstemon attenuatus var. pseudoprocerus (1996)
Penstemon attenuatus Douglas ex Lindl. var. pseudoprocerus (Rydb.) Cronquist
U.S.A., Wyoming, Park County: Northern Absaroka Area: whitebark pine grove and vicinity, 0.3-0.5 air mi ESE of Stinkingwater Peak.
Grassy to rocky areas in grove and on slopes above. Phenology: flowering.
1. Penstemon attenuatus Douglas ex Lindl. var. pseudoprocerus (Rydb.) Cronquist
Annotated by David Rosenthal.
with David Rosenthal and Michele Weidner
Accession: USFS 853228, Barcode: USFS0037194

Penstemon attenuatus var. pseudoprocerus (1996)
Penstemon attenuatus Douglas ex Lindl. var. pseudoprocerus (Rydb.) Cronquist
U.S.A., Wyoming, Park County: Northern Absaroka Area: Deer Creek Pass to 1 trail mi NE.
Alpine slopes along trail. Phenology: flowering.
1. Penstemon attenuatus Douglas ex Lindl. var. pseudoprocerus (Rydb.) Cronquist
Annotated by David Rosenthal.
with David Rosenthal
Accession: USFS 853227, Barcode: USFS0037193

Penstemon attenuatus var. pseudoprocerus (1997)
Penstemon attenuatus Douglas ex Lindl. var. pseudoprocerus (Rydb.) Cronquist
U.S.A., Wyoming, Park County: Northern Absaroka Area: Shoshone National Forest: Ishawooa Mesa Trail, ca 28 air mi SW of Cody.
Vegetated rocky slopes, rocky windswept ridge with some forested area on leeward slopes. Phenology: flowering.
Accession: USFS 857227, Barcode: USFS0038949

U.S.A., Wyoming, Park County: Northern Absaroka Area: Shoshone National Forest: Ishawooa Mesa Trail along ridge, ca 28 air mi SW of Cody.
Spruce/fir forest along ridge with rock outcrops and small meadows. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Wind River Range: Shoshone National Forest: intersection of Wildcat Road and Warm Spring Creek; Old Warm Spring cattle driveway, ca 7.5 air mi SW of Dubois.
Stream bottom and adjacent slopes of spruce/pine. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Wind River Range: Shoshone National Forest: intersection of Wildcat Road and Warm Spring Creek; Old Warm Spring cattle driveway, ca 7.5 air mi SW of Dubois.
Willow thicket on stream bank. Phenology: flowering.
David Rosenthal, 3541a. 8/1/1997.

U.S.A., Wyoming, Fremont County: Wind River Range: Shoshone National Forest: Continental Divide to Union Peak from intersection of unnamed creek and 4wd trail ca 0.5 mi E of Union Pass Road, ca 11 air mi SW of Dubois.
Meadow in lodgepole pine and spruce forest with sagebrush on south facing slopes. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Wind River Range: Shoshone National Forest: Continental Divide to Union Peak from intersection of unnamed creek and 4wd trail ca 0.5 mi E of Union Pass Road, ca 11 air mi SW of Dubois.SE1/4
Alpine ridge crest with sheltered rock outcrops and slopes to the peak. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Wind River Range: Shoshone National Forest: end of Forest Road 533 at Crow Creek, old pack trail to Continental Divide southward, ca 18.5 air mi W of Dubois.
Wet area in spruce/fir forest and stream bottom and meadow along ridge crest. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Wind River Range: Fitzpatrick Wilderness Area: Shoshone National Forest: trail to scenic pass/Dinwoody Peak from Wind River Indian Reservation, ca 19 air mi SSE of Dubois.
Limber pine forest with whitebark pine at timberline above to alpine meadow; rocky areas with seeps and willow thickets; also up to windy ridge crest. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Wind River Range: Shoshone National Forest: ca 1 mi SE of Brooks Lake along Pinnacle Buttes Trail and adjacent, ca 25 air mi NW of Dubois.
Lodgepole pine and spruce/fir forest. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Wind River Range: Shoshone National Forest: ca 1 mi SE of Brooks Lake along Pinnacle Buttes Trail and adjacent, ca 25 air mi NW of Dubois.
Spruce/fir/pine forests with volcanic clayey outcrops. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Wind River Range: Shoshone National Forest: ca 1 mi SE of Brooks Lake, from intersection of Pinnacle Buttes and Kissinger Lake trails to Kissinger Lake, ca 25 air mi NW of Dubois.
Ridge crest meadow, whitebark pine forest with spruce and fir to lake shores. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Wind River Range: Shoshone National Forest: on west side of Union Pass Road, ca 0.1 mi S of intersection with Lake of the Woods Road, ca 11 air mi W of Dubois.
Cattle grazed meadows with scattered ponds. Phenology: flowering.

U.S.A., Wyoming, Park County: Northern Absaroka Area: Ishawooa Pack Trail, ca 1.5-2.5 air mi ENE of Ishawooa Pass.
Wooded slopes and flats. Phenology: flowering.

U.S.A., Wyoming, Park County: Yellowstone National Park: Yellowstone Plateau; along Bunsen Peak Trail, 3 mi of Mammoth, just below summit.
Open, rocky spruce fur woodland with Trisetum spicatum, Arnica latifolia and Potentilla glandulosa var. pseudorupestris. Phenology: flowering.
Accession: RM 824691, Barcode: rm0023143

U.S.A., Wyoming, Park County: Yellowstone National Park: Gallatin Range: Bighorn Pass; 15 mi SW of Mammoth.
Sub-alpine meadow with Sibbaldia procumbens, Trifolium haydenii, Castilleja rhexifolia, and Trisetum spicatum. Phenology: flowering.

U.S.A., Montana, Park County: Gallatin National forest: Crazy Mountains: headwaters of Big Timber Creek, 0.5-0.75 mi S of Conical Peak, 25 mi NE of Big Timber.
Turfy alpine tundra with Lupinus argenteus var. depressus, Trisetum spicatum and Carex phzeocephala. Phenology: flowering.

U.S.A., Wyoming, Park County: Gallatin Range: Yellowstone National Park: on south face of Sepulcher Mountain 3 mi NW of Mammoth.
South-facing slope with Artemisia tridentata var. vaseyana, Festuca idahoensis, and Koeleria macrantha. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Gallatin Range: Yellowstone National Park: on southeast ridge of Electric Peak just below summit, 7 mi WNW of Mammoth.
Talus and scree with Hulsea algida, Penstemon montanus, and Saxifraga bronchialis var. austromontana. Phenology: flowering.

U.S.A., Wyoming, Teton County: Yellowstone Plateau: Yellowstone National Park: Phantom Fumaroles on the Pitchstone Plateau, ca 9 mi N of the South Entrance.
Openings and edge of spruce-fir-whitebark pine parkland with Sibbaldia procumbens, Lewisia pygmaea, and Claytonia lanceolata. Phenology: flowering.

U.S.A., Montana, Madison County: Snow Crest Range: Beaverhead National Forest: Snow Crest Mountain, 18 mi S Ruby River Reservoir.
T9S R3W S31
Sub-alpine turf with Polemonium viscosum, Festuca idahoensis, Carex obtusata, and Lupinus argenteus var. depressus.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: along North Fork Shoshone River between Camp Monaco and Torrent Creek, ca 10-11 mi NNE of U.S. Hwy 14, 16, & 20.
In open areas and on gravel bars.
Accession: 725361, Barcode: RM0066903

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., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: Hughes Basin at headwaters of Hughes Creek, ca 14 mi N of U.S. Hwy 14, 16, & 20.
Sparsely vegetated talus slope along jeep trail, prominent species included: Phacelia hastata, Polemonium viscosum, and Senecio fremontii. Phenology: flowering.

U.S.A., Montana, Beaverhead County: Henrys Lake Mountains: on Continental Divide, 1/4-1/2 mi N of Red Rocks Pass and Road, ca 25 mi WSW of West Yellowstone. Also Fremont Co, Idaho.
Sagebrush-grassland with Artemisia tridentata var. vaseyana, Festuca idahoensis, Arnica fulgens and Potentilla diversifolia. Phenology: flowering.

U.S.A., Montana, Gallatin County: Madison Range: Gallatin National Forest: north end and summit of Boat Mountain, ca 3 mi N of Hebgen Lake, ca 28 mi WNW of West Yellowstone.
Openings in spruce-fir forest on limestone outcroppings and talus, prominent species included Haplopappus suffruticosus and Telesonix heucheriformis. Phenology: flowering.

U.S.A., Idaho, Fremont County: Targhee National Forest: Centennial Mountains: summit of Sawtell Peak, ca 10 mi NNW of Island Park.
Treeless and tundra-like with Lomatium cous, Potentilla diversifolia, Carex elynoides and Dodecatheon pulchellum.

U.S.A., Montana, Sweet Grass County: Beartooth Mountains: Gallatin National Forest: saddle between Contact and Chrome mountains: ca 3 mi E of the Boulder River, ca 29 mi SW of Big Timber.
Subalpine meadow-whitebark pine woodland mosaic with Ledum glandulosum and Vaccinium scoparium. Phenology: flowering.

U.S.A., Montana, Sweet Grass County: Beartooth Mountains: Gallatin National Forest: along Sliderock Mountain-Grouse Ridge Road (Forest Road 482).
Clearcut on south side of road with Epilobium angustifolium, and Dracocephalum parviflorum. Phenology: fruiting.

U.S.A., Montana, Madison County: Gravelly Range: Beaverhead National Forest: along the Gravelly Range Road at Red Lakes-Red Hill, ca 24 mi S of Virginia City.
Limestone talus and ledges with Hymenoxys grandiflora, Phacelia hastata, and Haplopappus suffruticosus. Phenology: flowering & fruiting.

U.S.A., Montana, Madison County: Madison Range: Beaverhead National Forest: west side of Sphinx Mountain, ca 15 mi SE of Ennis.
West facing limestone scree slopes and ledges with Trifolium haydenii, Pedicularis parryi ssp. purpurea, Carex nardina, and Minuartia nuttallii. Phenology: flowering & fruiting.

U.S.A., Idaho, Fremont County: Targhee National Forest: Henrys Lake Mountains: ridge ca 1 mi N of Targhee Peak, ca 19 mi WNW of West Yellowstone, Montana.
South facing limestone talus slope with Castilleja crista-galli, Pentaphylloides floribunda, and Haplopappus suffruticosus.
Accession: (unaccessioned)

U.S.A., Montana, Gallatin County: Madison Range: Gallatin National Forest: Teepee Basin: ca 20 mi N of West Yellowstone.
Well drained, moist meadow with Castilleja rhexifolia, Lupinus wyethii, Plantago tweedyi, and Arenaria congesta. Phenology: flowering.

U.S.A., Montana, Gallatin County: Madison Range: Gallatin National Forest: ridge ca 1/2 mi W of Forest Service Road 2527, ca 18 mi N of West Yellowstone.
Around and on limestone outcroppings on open, east-facing slope with Lomatium ambiguum, Haplopappus acaulis, and Phlox multiflora. Phenology: flowering & fruiting.

U.S.A., Montana, Gallatin County: Madison Range: Gallatin National Forest: ridge ca 1/2 mi W of Forest Service Road 2527, ca 18 mi N of West Yellowstone.
Around and on limestone outcroppings on open, east-facing slope with Lomatium ambiguum, Haplopappus acaulis, and Phlox multiflora. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Wind River Range: Bridger-Teton National Forest: west slope of Union Peak, ca 14 mi SW of Dubois.
Mostly turfy, alpine tundra with Geum rossii, Artemisia norvegica var. saxitilis, Pedicularis parryi, and Aster alpigenus. Phenology: flowering & fruiting.

U.S.A., Montana, Sweet Grass County: Beartooth Mountains: Custer National Forest: along Meyers Creek, in foothills ca 10 mi NW of Nye just W of the county line.
Meadow opening in Douglas fir-spruce forest with Festuca idahoensis, Antennaria anaphaloides, Geum triflorum, and Cerastium arvense. Phenology: flowering & fruiting.

U.S.A., Montana, Sweet Grass County: Beartooth Mountains: Custer National Forest: immediately W of Pass Creek and 1/2 mi N of Castle Creek, in foothills ca 8 mi NW of Nye.
Limestone outcroppings and talus with Rhus trilobata, Eritrichium howardii, Sedum lanceolatum, and Penstemon attenuatus. Phenology: flowering.

U.S.A., Idaho, Teton County: Targhee National Forest: Big Hole Mountains: ridge immediately NW of the Packsaddle Basin and W of Forest Road 219, ca 13 mi W of Driggs.
Open, rocky montane meadow with Festuca idahoensis, Phlox multiflora, Microseris nutans, and Clematis hirsutissima.

U.S.A., Wyoming, Teton County: Absaroka Mountains: Bridger-Teton National Forest: Angle Mountain, 1.5 mi N of U.S. Hwy 26/287; ca 6 mi NW of Togwotee Pass.
Subsummit ridge W of summit; spruce/whitebark pine parkland with Polygonum bistortoides and Castilleja cusickii. Phenology: flowering.

U.S.A., Montana, Sweet Grass County: Beartooth Mountains: Custer National Forest: saddle between Picket Pin Mountain and a pinnacled limestone ridge, just N of Picket Pin Road, ca 12 mi W of Nye.
Open, turfy area on calcareous substrate with Valeriana edulis and Astragalus vexilliflexus. Phenology: flowering.

U.S.A., Montana, Sweet Grass County: Beartooth Mountains: Gallatin National Forest: at east end of Boulder Road, ca 24 mi S of Big Timber.
Edge of clearcut in former lodgepole pine-Douglas fir forest on limestone with Rubus idaeus, Fragaria virginiana, and Penstemon attenuatus. Phenology: flowering.

U.S.A., Montana, Gallatin County: Madison Range: Gallatin National Forest: Lava Lake: 2 1/2 mi SW of Montana Highway 191, 30 mi SW of Bozeman.
Exposed boulders and talus just E of lake with Erigeron acris, Woodsia scopulina, and Cryptogramma acrostichoides. Phenology: flowering & fruiting.

U.S.A., Montana, Madison County: Madison Range: Beaverhead National Forest: along the north side of Papoose Creek, ca 3 mi SW of Hilgard Peak.
T11S R2E S5
Talus slope with Cryptogramma acrostichoides, Woodsia scopulina, Erigeron acris, and Rubus idaeus. Phenology: flowering & fruiting.

U.S.A., Montana, Park County: Yellowstone National Park: northwest side of Mt. Everts, 3 mi SE of Gardiner.
Meadow openings in Douglas fir forest with Cerastium arvense, Geum triflorum, and Zigadenus venenosus var. gramineus. Phenology: flowering.

U.S.A., Wyoming, Teton County: Absaroka Mountains: Shoshone National Forest: Togwotee Pass along the south side of U.S. Hwy 26/287; 30 mi NW of Dubois.
Meadow opening in spruce-fir forest with Polygonum bistortoides, Deschampsia cespitosa, and Rumex paucifolius. Phenology: flowering.

U.S.A., Montana, Madison County: Henrys Lake Mountains: Gallatin National Forest: along Sheep Creek trail, ca 1.5 mi E of the trailhead; ca 2 mi S of Earthquake Lake.
South-facing talus slope with Woodsia scopulina, Rubus idaeus, and Heuchera cylindrica. Phenology: flowering.

U.S.A., Montana, Madison County: Madison Range: Gallatin National Forest: along West Fork Beaver Creek Trail, ca 4 mi N of U.S. Hwy 287; 25 mi NW of West Yellowstone.
South facing talus slope with Rubus idaeus, Woodsia scopulina, and Erigeron acris. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: Gros Ventre Area: Gros Ventre Wilderness Area: ridge E of Crystal Creek; ca 14 air mi SE of Kelly.
Open ridges, rocky slopes, and meadows. Phenology: flowering.
with Tom Cramer

U.S.A., Wyoming, Teton County: Gros Ventre Area: Swift Creek trail from Wilderness boundary NNE ca 1.5 air mi, at break of trail with basin area.
Coniferous forest and stream margins along trail; substrate calcareous. Phenology: flowering.

U.S.A., Wyoming, Teton County: Gros Ventre Area: 1.5 air mi S to 1 air mi SE of Pinnacle Peak.
Calcareous and granitic slopes with rock outcrops, scree, and grassy areas. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Gros Ventre Area: Tepee Creek Ridge W to Red Hills; 6-9 air mi SW of Mosquito Lake.
Grassy ridge with patches of Engelmann spruce and whitebark pine. Phenology: flowering.

U.S.A., Wyoming, Teton County: Gros Ventre Area: Sheep Creek, at break with plains for ca 1.5 road mi; 5-6.5 air mi SE of Gros Ventre Junction.
Stream bottom often with Douglas fir and south exposed slopes. Phenology: flowering.

U.S.A., Wyoming, Teton County: Gros Ventre Area: Jackson Peak.
Upper slopes and summit. Phenology: flowering.

U.S.A., Wyoming, Teton County: Gros Ventre Area: peak 1 air mi N of Cache Peak.
Rocky upper slopes and summit. Phenology: flowering.

U.S.A., Wyoming, Teton County: Gros Ventre Area: Packsaddle Pass and vicinity.
Meadows, streamside, and calcareous outcrops. Phenology: flowering.
with Tom Cramer

U.S.A., Wyoming, Sublette County: Gros Ventre Area: 1-1.5 air mi S and SW of Red Hills.
Lakeside and meadows. Phenology: flowering.
with Tom Cramer

U.S.A., Wyoming, Teton County: Gros Ventre Area: ca 1.5 air mi SE of Darwin Peak.
Rocky alpine slope. Phenology: fruiting.

U.S.A., Wyoming, Teton County: Gros Ventre Area: lower slopes of Sheep Mountain, ca 2.5-3.5 air mi from summit.
Grassy slopes and wooded areas. Phenology: flowering.

U.S.A., Wyoming, Teton County: Mount Leidy Highland Area: Gros Ventre River Road, ca 2 air mi E of Forest boundary; just W to overlooking Slide Lake, on the N side.
Steep slopes with outcrops of sandstone and limestone. Phenology: flowering.

U.S.A., Wyoming, Teton County: Mount Leidy Highland Area: Gros Ventre River Road, ca 2 air mi E of Forest boundary; just W to overlooking Lower Slide Lake, on the north side.
Moist stream banks, aspen groves, and ridge tops. Phenology: flowering.

U.S.A., Wyoming, Teton County: Mount Leidy Highland Area: ca 6.5 air mi ESE of Black Rock Ranger Station, Forest Road 140 on North Fork Spread Creek.
Streamside. Phenology: flowering.

U.S.A., Wyoming, Teton County: Mount Leidy Highland Area: Black Rock Creek and adjacent hills, 0.5 air mi W of the east end of Forest Service Road 100.
Open slopes and stream. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Big Horn Mountains: along County Road 85 or BLM Road 1419, ca 5.3 air mi ESE of Big Trails and ca 22.5 air mi SE of Ten Sleep.
Sagebrush on sandy soil with cobbles. Phenology: flowering & fruiting.

U.S.A., Oregon, Union County: Blue Mountains: Umatilla National Forest: Paradise Ridge, ca 2.5 air mi E of Mill Creek, ca 7 air mi E of Kooskooskie.
Open ridgetop with low forbs and grasses. Phenology: flowering.
with Scott Riley

U.S.A., Wyoming, Teton County: Teton Range East Slope: Rendezvous Mountain, broad gully below Horns Hole, ca 1.5 air mi NW of Teton Village; ca 8 air mi NW of Jackson.
Mostly forbs and shrubs with scattered Picea engelmannii, Abies lasiocarpa and Pinus. Phenology: flowering & fruiting.
with Jim Ozenberger

U.S.A., Wyoming, Teton County: Teton Range East Slope: Rendezvous Mountain, avalanche chute NE of Horns Hole, ca 1.5 air mi NW of Teton Village; ca 8 air mi NW of Jackson.
Gullies and low ridges. Gullies with forbs and shrubs, ridges forested with Picea, Pinus and Abies, with scattered tall forb communities. Phenology: flowering & fruiting.
with Jim Ozenberger

U.S.A., Wyoming, Teton County: Teton Range East Slope: Rendezvous Mountain: ridge between Granite Canyon and Jackson Hole, ca 1 mi SW of Apres Vous Peak, ca 1.5 air mi NW of Teton Village, ca 8 air mi NW of Jackson.
Limestone cliffs and ridges with sparse, forb-dominated vegetation.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: Sheridan Creek and Lava Mountain, ca 25 air mi WNW of Dubois.
Scree slope composed of igneous pumice-like rock. Phenology: flowering.
with Michelle Noe

U.S.A., Wyoming, Teton County: Mount Leidy Highland Area: Gros Ventre River Road, ca 2 air mi E of Forest boundary; just W to overlooking Lower Slide Lake, on the north side.
Steep slopes with outcrops of sandstone and limestone. Phenology: flowering.
1. Penstemon attenuatus Douglas ex Lindl. var. pseudoprocerus (Rydb.) Cronquist
Annotated by Stuart Markow.
Accession: 659567

U.S.A., Wyoming, Teton County: Mount Leidy Highland Area: Gros Ventre River Road, ca 2 air mi E of Forest boundary, just W to overlooking Lower Slide Lake, on the north side.
Moist stream banks, aspen groves, and ridge tops. Phenology: flowering.
Annotated by Stuart Markow.
Accession: 659568

U.S.A., Wyoming, Teton County: Mount Leidy Highland Area: ca 6.5 air mi ESE of Black Rock Ranger Station, Forest Road 140 on North Fork Spread Creek.
Streamside. Phenology: flowering.
Annotated by Stuart Markow.
Accession: 659569

U.S.A., Wyoming, Teton County: Mount Leidy Highland Area: Black Rock Creek and adjacent hills, 0.5 air mi W of the east end of Forest Road 100.
Open slopes and stream. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Lower Green River Lakes.
43.2727° N, 109.8195° W; NAD 83, uncertainty 1 mi., Digital Map
Open slopes in Lodgepole pine timber. Flowers deep blue. Phenology: flowering.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: on the divide between Avalanche Peak and Crow Creek Pass, along the Yellowstone National Park boundary.
Forest-tundra ecotone.

U.S.A., Wyoming, Sheridan County: Big Horn Mountains: ridge W of Story Fish Hatchery buildings and ponds.
On steep, east-facing slope in open Pinus ponderosa forest and in forest openings; calcareous, clayey soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: Teton Range: Devils Stairs, ca 3 mi SE of Teton Canyon Campground.
In rocky, open areas on limestone and shale. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sheridan County: Big Horn Range: south side of Steamboat Rock on north side of U.S. Hwy 14, 1.5 air mi W of Sand Turn; ca 19 air mi W of Sheridan.
Forb-rich meadow of Phleum pratense, Poa pratensis, Festuca idahoensis, and Stipa nelsonii on south-facing steep slope of rocky, lime-rich brown loamy-clay with scattered dolomite boulders; vegetative cover ca 75% and over 14 inches high. Some gopher ac Phenology: flowering.

U.S.A., Wyoming, Teton County: Grand Teton National Park and Vicinity: Teton Range: near Ramshead Lake, ca 14 air mi WSW of Moran; ca 8.5 air mi NNW of Moose.
Pinus albicaulis and Picea engelmannii forest with small rock outcrops. Phenology: flowering.
Annotated by David Scott.
with Nancy Bockino

U.S.A., Wyoming, Teton County: Grand Teton National Park and Vicinity: Teton Range: on west slope of Forellen Peak, ca 21 air mi NW of Moran; ca 25 air mi NNW of Moose.
Montane limestone forb community dominated by Ligusticum filicinum. Phenology: flowering.
Annotated by David Scott.
with Klara Varga, Nancy Bockino, and Mike Straw

U.S.A., Wyoming, Teton County: Grand Teton National Park and Vicinity: Teton Range: near Moran Bay, ca 13 air mi W of Moran; ca 14 air mi NNW of Moose.
Talus slope in mountains. Phenology: flowering.
Annotated by David Scott.
with Nancy Bockino

U.S.A., Wyoming, Teton County: Grand Teton National Park and Vicinity: Teton Range: in Stewart Draw, ca 4.5 air mi WNW of Moose; ca 14 air mi N of Jackson.
Montane slope adjacent to stream. Phenology: flowering.
with Nancy Bockino, Mike Straw

U.S.A., Wyoming, Teton County: Grand Teton National Park and Vicinity: Teton Range: east slope of Ranger Peak, ca 13 air mi NW of Moran; ca 18.5 air mi N of Moose.
Steep herbaceous slope and exposed rocky ridge. Phenology: flowering.
with Ronald L. Hartman

U.S.A., Wyoming, Teton County: Grand Teton National Park and Vicinity: Teton Range: near Cascade Canyon, ca 9.5 air mi NW of Moose; ca 17 air mi SSW of Moran.
Pseudotsuga menziesii and Picea engelmannii forest with talus slopes. Phenology: flowering.

U.S.A., Wyoming, Teton County: Grand Teton National Park and Vicinity: Teton Range: on southeast slope of Mt. Woodring, ca 15 air mi WSW of Moran; ca 10 air mi NNW of Moose.
Rock outcrop and hillside. Phenology: flowering.

U.S.A., Wyoming, Teton County: Grand Teton National Park and Vicinity: Teton Range: east slope of Ranger Peak, ca 13 air mi NW of Moran; ca 18.5 air mi N of Moose.
Steep herbaceous slope and exposed rocky ridge. Phenology: flowering.
with David Scott

U.S.A., Wyoming, Teton County: Grand Teton National Park and Vicinity: Teton Range: in Webb Canyon, ca 18 air mi WNW of Moran; ca 22 air mi NNW of Moose.
Subalpine meadow on slope with limestone outcrops. Phenology: flowering & fruiting.
with Klara Varga

U.S.A., Wyoming, Teton County: Bridger-Teton National Forest: Teton Wilderness: on Wildcat Peak, ca 14 air mi N of Moran; ca 28 air mi NNE of Moose.
Subalpine meadows and mixed conifer forest. Phenology: flowering & fruiting.
with Mike Straw

U.S.A., Wyoming, Teton County: Grand Teton National Park and Vicinity: Teton Range: in Webb Canyon, ca 16.5 air mi WNW of Moran; ca 20.5 air mi NNW of Moose.
Alpine sandstone ridge with tundra and talus. Phenology: flowering & fruiting.
with Klara Varga

U.S.A., Wyoming, Fremont County: Southwestern Absarokas: ca 3 air mi SE of Brooks Lake.
Subalpine forest of whitebark pine, spruce, and fir.

U.S.A., Wyoming, Fremont County: Southwestern Absarokas: ca 3 air mi SE of Brooks Lake.
Dry, rocky outcrops above timberline.

U.S.A., Wyoming, Teton County: Southwestern Absarokas: Bridger-Teton National Forest: southern slopes and summit area of Angle Mountain, ca 6 air mi NW of Togwotee Pass.
Timberline and alpine tundra on limestone.
with Diane Kelly

U.S.A., Wyoming, Lincoln County: Targhee National Forest: Snake River Range: basin at the foot of Red and Deadhorse Peaks on Red Creek, ca 5.5 air mi NE of Alpine, ca 34 air mi N of Afton.
Steep, rocky open slope. Phenology: flowering & fruiting.
with Stuart Markow and Michelle Nelson

U.S.A., Wyoming, Teton County: Bridger-Teton National Forest: Snake River Range: southwest side of Munger Mountain, ca 11 mi S of Jackson.
Limestone, shale, and sandstone outcrops and rock slides, open slopes with grass/forb mixtures, and Douglas fir and lodgepole pine forest. Phenology: flowering.
with Stuart Markow

U.S.A., Wyoming, Teton County: Bridger-Teton National Forest: Snake River Range: ca 1 air mi NE of Astoria Mineral Hot Springs.
Limestone and shale outcrops and rock slides, grassy slopes and ridges, and Douglas fir forest. Phenology: flowering.
with Stuart Markow

U.S.A., Wyoming, Teton County: Targhee National Forest: West Slope Teton Range: North Fork of Teton Creek, 2-3 air mi of trail head; ca 12 air mi ENE of Driggs, Idaho.
Coniferous forests and openings on slopes and near stream. Phenology: flowering.
with Rafael Molina

U.S.A., Wyoming, Lincoln County: Bridger-Teton National Forest: East Slope Snake River Range: Munger Mountain, ca 4 air mi SE of Red Top Meadows.
Mostly open slopes dominated by shrubs and forbs including Amelanchier, Symphoricarpos, Balsamorhiza, and bunchgrasses. Phenology: flowering & fruiting.

U.S.A., Idaho, Bonneville County: Targhee National Forest: Snake River Range: Palisades Creek, just E of entrance to National Forest, ca 2 air mi NE of Irwin.
Open slope, dominated by forbs and shrubs, mostly Purshia and bunchgrasses.
with B. E. Nelson and Michelle Nelson

U.S.A., Wyoming, Lincoln County: Targhee National Forest: East Slope Snake River Range: lower slopes of Red Peak above Red Creek.
Open slopes dominated by forbs and shrubs. Phenology: flowering & fruiting.
with B. E. Nelson and Michelle Nelson

U.S.A., Idaho, Bonneville County: Targhee National Forest: West Slope Snake River Range: Rainey Creek from entrance to National Forest to Corral Canyon, ca 3 air mi E of Swan Valley.
T2N R44E S26; also S27 and S34
Juniper/grassland, dominated by Juniperus scopulorum and bunchgrass, some riparian.

U.S.A., Wyoming, Teton County: Bridger-Teton National Forest: East Slope Snake River Range: southeast slope of Taylor Mountain.
Open slopes, dominated by shrubs (Artemisia, Purshia) and forbs (Balsamorhiza). Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: Targhee National Forest: West Slope Teton Range: Darby Canyon, South Fork Trail head, ca 8 air mi SE of Driggs, Idaho.
Coniferous forest dominated by Abies lasiocarpa and Picea engelmannii. Some clearings and some riparian. Phenology: flowering & fruiting.

U.S.A., Idaho, Teton County: Targhee National Forest: East Slope Big Hole Mountains: trail from Rammel Hollow to Packsaddle Lake, ca 9 air mi W of Tetonia.
T5N R43E S1; 2
Coniferous forest, dominated by Pinus contorta, Abies lasiocarpa, and Symphoricarpos, with many clearings dominated by forbs.

U.S.A., Wyoming, Teton County: Targhee National Forest: East Slope Teton Range: intersection with trail to Phillips Pass, ca 7.5 air mi W of Jackson.
Meadow dominated by forbs and graminoids. Phenology: flowering & fruiting.

U.S.A., Wyoming, Lincoln County: Targhee National Forest: Snake River Range: U.S. Hwy 26/89, N of Station Creek Campground, ca 10 air mi E of Alpine.
Open slope dominated by forbs (Balsamorhiza and Wyethia) and shrubs (Artemisia, Symphoricarpos, Acer, and Purshia). Phenology: flowering & fruiting.

U.S.A., Idaho, Teton County: Targhee National Forest: Big Hole Mountains: Relay Ridge, ca 13.5 air mi W of Driggs.
T4N R43E S1; also S2 and T5N R43E S35
Ridgetop dominated by forbs and bunchgrass, scattered Abies lasiocarpa and Pinus flexilis.

U.S.A., Idaho, Bonneville County: Targhee National Forest: Snake River Range: U.S. Hwy 26, Blowout Canyon, ca 10 air mi NW of Alpine, Wyoming.
Forest with some conifers (Pinus, Picea, Pseudotsuga) and Populus and adjacent open slopes dominated by forbs and shrubs (Amelanchier, Symphoricarpos, Prunus).

U.S.A., Idaho, Madison County: Targhee National Forest: West Slope Big Hole Mountains: Base of Chicken Peak to summit of Liars Peak.
T3N R43E S2; also S11
Open slopes dominated by shrubs and forbs, with scattered patches of Abies lasiocarpa.

U.S.A., Wyoming, Teton County: Targhee National Forest: West Slope Teton Range: Moose Creek Trail.
Coniferous forest dominated by Abies lasiocarpa and Picea pungens, and adjacent riparian. Phenology: flowering & fruiting.

U.S.A., Wyoming, Lincoln County: Targhee National Forest: West Slope Snake River Range: ridge leading to Observation Peak, ca 8 air mi N of Alpine Junction.
Open ridgetop dominated by forbs and bunch grasses with scattered stands of Abies lasiocarpa, Picea engelmannii, and Pinus albicaulis. Phenology: flowering & fruiting.

U.S.A., Wyoming, Lincoln County: Targhee National Forest: West Slope Snake River Range: W of Lake Basin, ca 7 air mi NE of Alpine Junction.
Rocky ridgetop with scattered forbs and grasses. Phenology: flowering & fruiting.

U.S.A., Wyoming, Lincoln County: Targhee National Forest: West Slope Snake River Range: S of Lake Basin, ca 6.5 air mi NE of Alpine Junction.
Open slope dominated by forbes and grasses, some riparian. Phenology: flowering.

U.S.A., Wyoming, Teton County: Targhee National Forest: Crest of Teton Range: south face of Mt. Glory, ca 9 air mi NW of Jackson.
Open slope dominated by forbs and bunch grass. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: Targhee National Forest: West Slope Teton Range: Green Lakes Trail, ca 14 air mi NE of Tetonia, Idaho.
Open areas dominated by forbs and grasses, with scattered Picea engelmannii, Abies lasiocarpa, and some riparian. Phenology: flowering & fruiting.

U.S.A., Idaho, Bonneville County: Targhee National Forest: West Slope Big Hole Mountains: Black Canyon, ca 9 air mi from Kelly Canyon Ski Area, adjacent to and N of Snake River.
T3N R43E S17; also S18, 19 and T3N R42E S13
Steep open slope dominated by Juniperus, Cercocarpus, Purshia, Symphoricarpos, and bunchgrasses. Some forested slopes dominated by Pseudotsuga, Physocarpus, Vaccinium, and Lonicera. Some riparian and adjacent open areas.

U.S.A., Wyoming, Teton County: Targhee National Forest: West Slope Teton Range: Alaska Basin Trail along South Fork of Teton Creek.
Coniferous forest dominated by Abies lasiocarpa and Picea engelmannii with many openings, some riparian. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: Bridger-Teton National Forest: East Slope Teton Range: ridge on Rendezvous Mountain, S of Aerial Tramway Station, ca 2.5 air mi W of Teton Village.
Open ridge with some patches of coniferous forest dominated by Abies lasiocarpa and Picea engelmannii, with some riparian. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: Targhee National Forest: West Slope Teton Range: ca 6-7 air mi E of Victor, Idaho.
Open valley bottom dominated by forbs and shrubs with occasional patches of Picea engelmannii and Abies lasiocarpa. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: Targhee National Forest: West Slope Teton Range: Coal Creek Trail from ca 1.5 mi NE of Wyo Hwy 22 to Coal Creek/Mesquite Creek Divide, ca 10 air mi NW of Jackson.
Open slopes dominated by forbs and graminoids, with scattered patches of Pinus flexilis, Abies lasiocarpa, and Picea engelmannii. Phenology: flowering & fruiting.

U.S.A., Idaho, Fremont County: Targhee National Forest: Henrys Lake Mountains: above Raynolds Pass, ca 3.5 air mi NW of Henrys Lake; ca 16 air mi NW of West Yellowstone, Montana.
T16N R42E S13; also S14
Mostly forbs and grasses, a few scattered Pinus flexilis.

U.S.A., Idaho, Bonneville County: Targhee National Forest: Southwest Slope Big Hole Mountains: trail through Fleming Canyon to Dry Canyon.
T3N R44E S30; also S31
Mostly canyon bottom and slopes, dominated by shrubs and forbs, some open coniferous forest dominated by Pseudotsuga and Pinus contorta.

U.S.A., Idaho, Lemhi County: Targhee National Forest: Beaverhead Range: trail along Willow Creek, ca 4 air mi NE of Nicholia.
Open slopes adjacent to coniferous forest with mostly grasses, forbs, scattered Pinus flexilis and Picea engelmannii.

U.S.A., Idaho, Bonneville County: Targhee National Forest: Southwest Slope Big Hole Mountains: Dry Canyon, ca 8 air mi NW of Swan Valley.
Open canyon bottom bordered by coniferous forests dominated by Pseudotsuga menziesii.

U.S.A., Idaho, Clark County: Targhee National Forest: Centennial Mountains: above Trail Creek along Continental Divide, ca 11 air mi N of Kilgore.
Open ridge dominated by forbs and grasses, with scattered Pinus albicaulis.

U.S.A., Idaho, Madison County: Targhee National Forest: Northwest Slope Big Hole Mountains: logging road between Warm Creek and Carlton Creek, ca 16 air mi W of Driggs.
Mostly open slopes dominated by forbs and shrubs (Balsamorhiza, Symphoricarpos, Artemisia), some aspen groves, and Douglas fir.

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Wyoming Range: Willow Creek Drainage: Grayback Ridge, ca 10 air mi S of Hoback Junction, ca 34 air mi NNE of Afton.
Steep slopes around and below limestone cliff.

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Wyoming Range: Willow Creek Drainage: along lower Hunter Creek, ca 2-3 air mi SW to W of Clause Peak, ca 12-14 air mi SE of Hoback Junction, ca 33 air mi NE of Afton.
Sagebrush meadow.

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Wyoming Range: Willow Creek Drainage: Grayback Ridge above Little Greys River, ca 1-1.5 air mi W to NW of Pickle Pass, ca 19 air mi ESE of Alpine, ca 29 air mi NE of Afton.
Open stony limestone ridge and slope.

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Wyoming Range: Grayback Ridge ca 2.5 air mi NW of Pickle Pass, ca 17.5 air mi ESE of Alpine Junction, ca 30 air mi NE of Afton.
Open ridge with limestone debris.

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Wyoming Range: Willow Creek Drainage: Adams Creek, 3-5 air mi E of Rimrock Ranch; 11 air mi SE of Hoback Junction.
Stream sides and adjacent coniferous slopes.

U.S.A., Wyoming, Sublette County: Wyoming/Salt River Ranges: Wyoming Range: Adams Creek Pack Trail pass, 1.5 air mi SSW of Ramshorn Peak S to peak 10315 elevation.
Limestone outcrops and alpine/subalpine meadow with scattered whitebark pine and Engelmann spruce.

U.S.A., Wyoming, Sublette County: Wyoming/Salt River Ranges: Wyoming Range: watershed W of peaks 10262 and 10289 elevation; ca 1.5 air mi SSE of Clause Peak.
Subalpine meadow.

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: White Rock above and E of Upper Green River Lake, ca 27.5 air mi N of Pinedale.
Stony open slopes and flats. Phenology: flowering.
with Walter Fertig and Ronald L. Hartman

U.S.A., Wyoming, Lincoln County: Salt River Range: Swift Creek Canyon, ca 4 mi ENE of Afton.
Small clearings (convex positions, shallow soils) in forest, south-facing slope with Agropyron spicatum, Bromus carinatus, and Balsamorhiza sagittata.

U.S.A., Wyoming, Teton County: Southwestern Absarokas: upper north slope of Terrace Mountain, ca 18 mi ENE of Moran Junction.
Open, rocky and shallow soil areas among conifer patches, with Zigadenus elegans and Castilleja sulphurea.

U.S.A., Wyoming, Park County: Northern Absarokas: Yellowstone National Park: Hoodoo Basin trail, ca 7 air mi NW of Stinkingwater Peak.
Alpine grassy slopes.

U.S.A., Wyoming, Park County: Southwestern Absarokas: Yellowstone National Park: Sylvan Pass to Top Notch Peak.
Spruce-fir and white bark pine forests and bald summits and rocky outcrops.
with Neil Snow

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: East half of summit of Little Sheep Mountain.
Alpine/subalpine meadows with scattered whitebark pine and Engelmann spruce. Phenology: flowering.
with T. J. Poll

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: between Twin Lake and just above Valaite Lake.
Lakeside and rock outcrops. Phenology: flowering.
with Jonathan Hughes

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: Gypsum Creek drainage, ca 1.25 mi N of Gypsum Mountain, 1.5 mi S of Little Sheep Mountain, ca 29 air mi N of Pinedale.
Shady, rocky, mesic subalpine fir woods. Phenology: flowering.
with N. Duane Atwood

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: north slope of Gypsum Mountain, ca 29 air mi N of Pinedale.
Meadow on steep north-facing slope, dominated by Mertensia ciliata. Phenology: flowering.

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: Union Pass Road (Forest Service Road 900) at junction of Tepee Creek Road, ca 35 air mi NNW of Pinedale.
Sandstone ridge. Phenology: flowering.

U.S.A., Wyoming, Teton County: West Slope Wind River Range: hills on eastern bank of Cottonwood Creek, ca 28 air mi E of Jackson.
Clearing on forested slope. Phenology: flowering.

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: Osborn Mountain, ca 32 air mi N of Pinedale.
Clearing in Engelmann spruce forest. Phenology: flowering.

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: along jeep trail ca 2 mi W of Union Peak, ca 12 mi SW of Dubois.
Rolling, open meadow. Phenology: flowering.

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: East slope of Big Sheep Mountain, ca 31 air mi N of Pinedale.
Open meadow adjacent to pine forest.

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: Big Sheep Mountain, ca 29 air mi N of Pinedale.
Alpine ridge and summit. Resembles P. procerus except for hairy inflorescence. Phenology: flowering.

U.S.A., Wyoming, Teton County: West Slope Wind River Range: Two Ocean Mountain, ca 38 air mi NE of Jackson.
Open rocky slope on south and west face of summit, soil "cement-like" conglomerate. Phenology: flowering.

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: Gypsum Mountain, ca 28 air mi N of Pinedale.
Summit of Mt. 10606 and open flats of saddle adjoining Gypsum Peak. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: [location and coordinates withheld]
Hillside aspen, sagebrush, and Douglas fir at base of cliffs. Phenology: flowering & fruiting.
with Jane T. Kellett and Steve Laster

U.S.A., Wyoming, Sublette County: Green River Basin: east side of Aspen Ridge, ca 10 air mi W of Daniel.
Sagebrush hills, grassy draws, windswept hilltops, and aspen copses. Phenology: flowering.

U.S.A., Montana, Carbon County: Pryor Mountains: Custer National Forest: northeast end of Roberts Bench and slopes above Dry Head Creek, ca 26 air mi ESE of Bridger.
45.1969° N, 108.4274° W; uncertainty 0.5 mi., GPS reading
Snow glade. Phenology: flowering & fruiting.
Annotated by B. E. Nelson.

U.S.A., Montana, Sweet Grass County: Absaroka Range: Gallatin National Forest: Falls Creek Campground along Boulder River ca 2.5 air mi SE of Mount Rae, ca 27 air mi SW of Big Timber.
Open lodgepole pine/Douglas fir woods with rich forb understory. Phenology: flowering.
Accession: RM 871089, Barcode: USFS0064577

U.S.A., Montana, Park County: Gallatin Mountains: Gallatin National Forest: along Forest Road 978, ca 14 air mi SW of Livingston.
Steep south-facing open slope dominated by mixed grasses and forbs into outcrop of conglomerates and mixed conifer forest. Phenology: flowering.
with Brian Elliott
Accession: RM 871087, Barcode: USFS0064575

U.S.A., Montana, Park County: Absaroka Range: Gallatin National Forest: along Forest Road 2532, ca 5 air mi SE of Livingston.
Mixed conifer forest with moist understory and periodic small meadows. Phenology: fruiting.
with Ken Elliott
Accession: RM 871760, Barcode: USFS0064580

U.S.A., Montana, Gallatin County: Gallatin Range: Gallatin National Forest: along Grotto Falls Trail, from trailhead at end of Forest Road 62, ca 17 air mi SSE of Bozeman.
Mixed conifer forest with a Vaccinium understory. Phenology: flowering.
with Ken Elliott

U.S.A., Montana, Judith Basin County: Lewis and Clark National Forest: Little Belt Mountains: Dry Wolf Road, ca 14 air mi SW of Stanford.
Elev. 1832 m.
47.0335° N, 110.4771° W; NAD 83, uncertainty 0.25 mi., GPS reading
Riparian zone to top of limestone scarp; Pseudotsuga forest; south aspect. Phenology: flowering.
1. Penstemon attenuatus Douglas ex Lindl. var. pseudoprocerus (Rydb.) Cronquist.

U.S.A., Montana, Judith Basin County: Lewis and Clark National Forest: Little Belt Mountains: Forest Road 6581, Bower Gulch.
Elev. 1810 m.
47.084° N, 110.5764° W; NAD 83, uncertainty 0.25 mi., GPS reading
Open meadow in Pinus contorta forest; grazed; possible replant forest of harvest; northeast aspect, 5-10% slope; limestone outcrops. Phenology: flowering.
1. Penstemon attenuatus Douglas ex Lindl. var. pseudoprocerus (Rydb.) Cronquist.

U.S.A., Montana, Judith Basin County: Lewis and Clark National Forest: Little Belt Mountains: Forest Road 120, Spring Coulée
47.0534° N, 110.5208° W; NAD 83, uncertainty 0.25 mi., GPS reading
Pseudotsuga forest; narrow limestone canyon; east aspect, 10-15% slope. Phenology: flowering.
1. Penstemon attenuatus Douglas ex Lindl. var. pseudoprocerus (Rydb.) Cronquist.

U.S.A., Montana, Judith Basin County: Lewis and Clark National Forest: Little Belt Mountains: Forest Road 6548, N of Dry Pole Campground, from table lands down Limestone Canyon to South Fork Judith River.
Mixed Pinus ponderosa/Pseudotsuga forest; limestone canyon, southwest aspect, 5-40% slope. Phenology: flowering.

U.S.A., Montana, Judith Basin County: Lewis and Clark National Forest: Little Belt Mountains: Buffalo Canyon, Forest Trail 479, ca 14 air mi NW of Judith Gap.
Along rim and up side canyon to west, down canyon to mouth; deep limestone canyon, northeast aspect. Phenology: flowering.

U.S.A., Montana, Wheatland County: Lewis and Clark National Forest: Little Belt Mountains: Forest Road J584, ca 11 air mi W of Judith Gap.
Open cut and burn; ponderosa/Douglas fir forest; limestone outcrops, south aspect, 15-30% slope. Phenology: flowering.

U.S.A., Montana, Fergus County: Lewis and Clark National Forest: Big Snowy Mountains: Forest Road 270-A, at locked gate; along East Fork Timber Creek to water fall, passed water fall to spring , ca 15 air mi NE of Judith Gap.
46.7462° N, 109.4663° W; NAD 83, uncertainty 1 mi., GPS reading
Along stream, up water fall to spring; Pseudotsuga menziesii forest; limestone bedrock. Phenology: flowering.

U.S.A., Montana, Fergus County: Lewis and Clark National Forest: Little Snowy Mountains: junction of Forest roads 272 and 273.
Old clear cut; west aspect, 5% slope; limestone bedrock. Phenology: flowering.

U.S.A., Montana, Fergus County: Lewis and Clark National Forest: Big Snowy Mountains: Greathouse Peak, upper 300 ft and summit.
Alpine talus slopes and rocky summit. Phenology: flowering.
Annotated by Rick McNeill.

Annotated by Rick McNeill.

U.S.A., Montana, Meagher County: Lewis and Clark National Forest: Crazy Mountains: long ridge leading to base of summit of Loco Mountain.
Alpine ridge, rocky, talus slopes, patches of whitebark pine, granitic (gray with scattered flakes of black). Phenology: flowering.
Annotated by Rick McNeill.

U.S.A., Montana, Sweet Grass County: Beartooth Mountains: Gallatin National Forest: Derby Mountain along Forest Road 6676, ca 17.5 air mi SSE of Big Timber.
In burned area dominated by forbs and rocky ridgetop. Phenology: flowering.
with Brian Elliott

U.S.A., Montana, Park County: Absaroka Range: Gallatin National Forest: along Suce Creek Trail to Elephanthead Mountain, ca 7-8 air mi SSE of Livingston; then N to Mission Creek.
Mixed conifer forest dominated by Pseudotsuga menziesii, with moist shaded understory dominated by Physocarpus and Symphoricarpos. Phenology: buds.
with Brian Elliott

U.S.A., Montana, Gallatin County: Gallatin Range: Gallatin National Forest: along Forest Road 132 from Storm Castle/ Garnet Mountain trailhead to Garnet Mountain, ca 19 air mi SSW of Bozeman.
Dense, shaded conifer forest dominated by Pseudotsuga menziesii and Picea with a very mossy understory. Phenology: flowering.

U.S.A., Montana, Sweet Grass County: Beartooth Mountains: Custer National Forest: along Forest Road 2140, E of Picket Pin Mountain, ca 27 air mi S of Big Timber.
Meadow dominated by forbs, located on steep slope at base of a dolomite cliff. Phenology: flowering & fruiting.

U.S.A., Montana, Judith Basin County: Lewis and Clark National Forest: Little Belt Mountains: Paine Gulch, Forest Trail 737, ca 1.5-4 air mi SSE of Monarch.
Intermittent stream, flowing southeast to northwest; 0-15% slope; limestone canyon; Pinus ponderosa, Pseudotsuga menziesii, Picea engelmannii. Phenology: flowering.

U.S.A., Montana, Judith Basin County: Little Belt Mountains: County Road 132, ca 1.5 air mi NW of Clendennin Mountain.
Northwest-facing slope 0-15%; scattered Pseudotsuga menziesii, Pinus contorta, and Pinus flexilis, limestone; shallow soils. Phenology: flowering.

U.S.A., Montana, Meagher County: Little Belt Mountains: Smith River, ca 0.3 mi west of In-Lieu Campground, ca 26.7 air mi NW of White Sulphur Springs.
Riparian zone at base of wooded hill slope; northeast aspect; west side of river; Pseudotsuga menziesii. Phenology: fruiting.

U.S.A., Montana, Judith Basin County: Lewis and Clark National Forest: Little Belt Mountains: confluence of Lost Fork and Middle Fork Judith River.
Wooded riparian zone, Picea engelmannii, flat. Phenology: flowering.
with Matt Voigt

U.S.A., Montana, Meagher County: Lewis and Clark National Forest: Crazy Mountains: where County Road 66 (Forest Lake Road) crosses West Fork Cottonwood Creek.
Gravel bar, upstream from bridge. Phenology: flowering.

U.S.A., Montana, Cascade County: Lewis and Clark National Forest: Little Belt Mountains: Forest Road 839 at O'Brien Park, ca 1.5 air mi N of Porphyry Peak.
Open meadow; all aspects; 0-5% slope. Phenology: flowering.

U.S.A., Montana, Cascade County: Lewis and Clark National Forest: Little Belt Mountains: Forest Road 251 above Cleveland Creek, ca 1.5 air mi W of Grendah Mountain.
Highly eroded, dry shale stream bed, running northwest to southeast into creek; 5-15% slope; scattered Pinus albicaulis, Abies lasiocarpa, and Pinus contorta. Phenology: flowering & fruiting.

U.S.A., Montana, Judith Basin County: Lewis and Clark National Forest: Little Belt Mountains: Forest Road 251 between Slide Rock Point and Cabin Mountain.
Open meadow on peak; all aspect; 0-20% slope; rocky with limestone outcrops. Phenology: flowering.

U.S.A., Montana, Beaverhead County: Beaverhead Mountains: Beaverhead-Deerlodge National Forest: summit and east side of Selway Mountain, ca 20 mi S of Jackson.
Rocky, lodgepole pine forest with some scattered whitebark pine and subalpine fir and with a groundlayer of Vaccinium scoparium, Carex geyeri, Arnica cordifolia, and Antennaria racemosa. Phenology: flowering.

U.S.A., Idaho, Lemhi County: Salmon River Mountains: Salmon-Challis National Forest: Phelan Mountain, ca 1/4 mi W of Forest Road 020, ca 10 mi NNW of Salmon.
Talus slope with Rubus idaeus var. strigosus, Carex rossii, Potentilla glandulosa, and Arenaria kingii. Phenology: flowering.

U.S.A., Montana, Park County: Absaroka Range: Gallatin National Forest: W of Main Boulder Ranger Station, ca 25.5 air mi SW of Big Timber.
On south- and east-facing slopes, mixed forest with limber pine, aspen, Douglas fir, and open meadows. Phenology: flowering.

U.S.A., Montana, Gallatin County: Bridger Range: Gallatin National Forest: along trail 1/2 to 3/4 mi W of Fairy Lake, ca 15 mi NNE of Bozeman.
In basin near timberline on limestone with Dryas octopetala, Carex rupestris, and Minuartia obtusiloba. Phenology: flowering.

U.S.A., Montana, Judith Basin County: Lewis and Clark National Forest: Little Belt Mountains: Forest Road 487, above South Fork Judith River at Hoover Springs.
Open meadow; southwest aspect; 5-10% slope; limestone. Phenology: fruiting.

U.S.A., Montana, Ravalli County: Bitterroot Range: Schumaker Campground, ca 22 mi NW of Darby.
Open Abies lasiocarpa forest and parkland. Phenology: flowering.

U.S.A., Montana, Meagher County: Little Belt Mountains: Harley Creek Canyon, ca 4 mi NW of Neihart.
In shade near stream. Phenology: flowering.
with C. V. Muhlick

U.S.A., Montana, Beaverhead County: Pioneer Range: top of cirque above Torrey Lake.
Phenology: flowering.
with C. V. Muhlick

U.S.A., Montana: Blackfeet National Forest.
Dry rocky soil; slopes and flats. Phenology: flowering.
Julius A. Larsen, 12. 7//1912.
Accession: USFS 498911

U.S.A., Montana: Blackfeet National Forest.
Dry rocky soil; slopes and flats. Phenology: flowering.
Julius A. Larsen, 31. 7//1912.
Accession: USFS 498912

U.S.A., Montana, Meagher County: Absaroka National Forest.
In timber. Phenology: flowering.
Accession: USFS 498910

U.S.A., Montana, Meagher County: Western edge of Little Belt Mountains: Rimrock Ridge.
Broken limestone. Phenology: flowering.
with C. V. Muhlick

U.S.A., Montana, Meagher County: Northeastern base of Castle Mountains: Checkerboard Creek.
On red shale outcrop. Phenology: flowering.

U.S.A., Montana, Gallatin County: Near Bozeman.
Mountain ridges. Phenology: flowering.

U.S.A., Montana, Gallatin County: Bridger Mountains: Fairy Lake.
Crevices of limestone on disinitegrated limestone slope. Phenology: fruiting.

U.S.A., Montana, Gallatin County: Gallatin National Forest: Bridger Mountains: east slopes and summit of Mount Sacajawea, including the Bridger Divide (saddle between Mt Sacajawea and Hardscrabble Peak), trail from Fairy Lake to Sacajawea Summit.
Along trail. Phenology: flowering.
with Daniel Lebedyk, Mark Joncas

U.S.A., Montana, Ravalli County: Bitterroot National Forest: Gash Creek.
20% slope, SE exposure; with Eriogonum, ninebark; sandy clay soil; road edge. Phenology: flowering.

U.S.A., Montana, Ravalli County: Bitterroot National Forest: along trail S of Kootenai Lake.
20% slope, northeast exposure; with Saxifraga, Carex; granitic loamy sand clay soil. Phenology: flowering & fruiting.

U.S.A., Montana, Beaverhead County: Beaverhead National Forest.
T5S R17W S4
25% slope, north exposure; rocky soil; subalpine; in vegetation patches. Phenology: flowering.

U.S.A., Montana: Jefferson National Forest: Castle.
Northwest slope; sandy loam soil; open hillside. Common. Phenology: flowering.

U.S.A., Montana, Powell County: Missoula National Forest: Montour [Monture] Creek.
Steep north slope; rocky soil. Phenology: flowering.

U.S.A., Montana, Meagher County: Dry Range, 35 mi NW of White Sulphur Springs.
Top of range. Phenology: flowering.

U.S.A., Montana, Beaverhead County: Anaconda Range: head of Pintlar Creek: west of Oreamnos Lake.
On outcrop rock above lake. Phenology: flowering.

U.S.A., Montana, Beaverhead County: Bitterroot Range: on Continental Divide, above Ajax Lake.
Granitic Rocks. Phenology: flowering.

U.S.A., Montana, Madison County: Cedar Mountain, E of Ennis.
Open porphyritic rock slides in coniferous forest. Phenology: fruiting.

U.S.A., Montana: Jack Creek.
Phenology: flowering & fruiting.
with Ernst A. Bessey

U.S.A., Montana, Madison County: Jack Creek Canyon.
Phenology: flowering & fruiting.
with Ernst A. Bessey

U.S.A., Montana, Gallatin County: South rim of Wallrock Basin, ca 12 mi NW of Wilsall.
Wilhelm N. Suksdorf, 264. 6/27/1921.

U.S.A., Montana, Gallatin County: Lyman Canyon.
Dry hillside. Phenology: flowering.

U.S.A., Montana, Gallatin County: Bozeman.
Phenology: flowering.

U.S.A., Montana, Madison County: Gravelly Range: Devil's Lane, 1 mi S of Crockett Lake.
Limestone outcrop. Phenology: flowering.

U.S.A., Montana, Beaverhead County: Pioneer Mountains: east base of Black Lion Mountain.
In partially wooded meadow. Phenology: flowering.

U.S.A., Montana, Madison County: Gravelly Range: Clover Meadows.
Along stream. Phenology: flowering.

U.S.A., Montana, Beaverhead County: Pioneer Range: Odell Lake.
Meadow bordering lake. Phenology: flowering.

U.S.A., Montana, Cascade County: 10mi N of Neihart.
Limestone outcrop. Phenology: flowering & fruiting.

U.S.A., Montana, Meagher County: Castle Mountains: mines just N of Castle City.
Gravelly hillside. Phenology: flowering.

U.S.A., Montana, Madison County: Tobacco Root Mountains, above Pony.
Gravelly granitic loam soil. Phenology: flowering.

U.S.A., Montana, Gallatin County: Base of the Bridger Mountains, east of Bozeman.
Loose gravelly limestone slope. Phenology: flowering & fruiting.

U.S.A., Montana, Gallatin County: Bridger Range: valley north of Sacajawea Peak.
Limestone rock slides. Phenology: flowering & fruiting.
with F. B. Cotner, and R. L. Schaeffer Jr.

U.S.A., Montana: Empire.

U.S.A., Montana, Broadwater County: 15mi E of Townsend on road to White Sulphur Springs.

U.S.A., Montana, Meagher County: On White Sulphur Springs road ca 30 mi W of Harlowton.
On sandstone cliffs. Phenology: flowering.

U.S.A., Montana, Sweet Grass County: Beartooth Mountains: Custer National Forest: along Forest Road 2140, E of Picket Pin Mountain, ca 27 air mi S of Big Timber.
Meadow dominated by forbs, located on steep slope at base of a dolomite cliff. Phenology: flowering & fruiting.
Accession: (unaccessioned), Barcode: USFS0048093

U.S.A., Montana, Carbon County: Pryor Mountains: Custer National Forest: northeast end of Roberts Bench and slopes above Dry Head Creek, ca 26 air mi ESE of Bridger.
45.1969° N, 108.4274° W; uncertainty 0.5 mi., GPS reading
Snow glade. Phenology: flowering & fruiting.
Accession: (unaccessioned), Barcode: USFS0047732

U.S.A., Montana, Madison County: Ruby Range: Laurin Canyon to Ruby Peak, ca 22-24 air mi ENE of Dillon, ca 9-10 air mi S of Sheridan.
Open Douglas fir forest in a dry drainage. Phenology: flowering.
with Justine Modica

U.S.A., Montana, Madison County: Madison Range: Lee Metcalf Wilderness, Taylor Hilgard Unit: Papoose Creek, ca 6-7.5 air mi S of Finger Mountain, ca 33 air mi SE of Ennis.
Grasslands on steep, west-facing slope. Phenology: flowering & fruiting.

U.S.A., Idaho, Custer County: Challis National Forest: Lost River Range: along a narrow canyon on lower Long Lost Creek, 13.5 air mi NNE of Mackay.
Well developed soil in mesic Douglas-fir vegetation; 32° slope, W aspect; alluvial geology. 1-25 individuals apparent. Phenology: flowering & fruiting.
with Wendy Irwin

U.S.A., Idaho, Custer County: Challis National Forest: Cape Horn Area: east cirque of Lola Lakes Basin, 18.7 air mi NW of Stanley.
Well developed soil in xeric lodgepole pine vegetation; 12° slope, NNE aspect; granodiorite geology. 1-25 individuals apparent. Phenology: flowering & fruiting.

U.S.A., Idaho, Custer County: Challis National Forest: Pahsimeroi Mountains: unnamed west fork of Christian Gulch, 22 air mi SE of Challis.
Well developed soil in mesic Douglas-fir vegetation; 14° slope, SE aspect; alluvial geology. Population is dominant throughout the area. Phenology: flowering & fruiting.
with Craig Scott

U.S.A., Idaho, Lemhi County: Salmon National Forest: Salmon River Mountains: China Spring area, on the north side of the forest road, 14.8 air mi SW of Salmon.
Well developed soil in mesic forb dominated vegetation; 10° slope, W aspect; andesitoid-rhyolitoid geology. 1-25 individuals apparent. Phenology: flowering & fruiting.

U.S.A., Idaho, Lemhi County: Salmon National Forest: Beaverhead Mountains: Smout Creek valley NW of Copperhead Peak, 11.9 air mi NE of Salmon.
Well developed soil in xeric lodgepole pine vegetation; 31° slope, SSE aspect; arenite geology. 1-25 individuals apparent. Phenology: flowering & fruiting.

U.S.A., Idaho, Custer County: Challis National Forest: Pioneer Mountains: valley of Iron Bog Creek, below "Iron Bog", 20.4 air mi SSW of Mackay.
Well developed soil in xeric woody riparian vegetation; 10° slope, S aspect; volcaniclastic geology. 1-25 individuals apparent. Phenology: flowering & fruiting.

U.S.A, Idaho, Lemhi County: Salmon National Forest: Salmon River Mountains: hillside dividing Big Boulder Meadow from unnamed meadows to the S, 9.3 air mi SW of the town of North Fork.
<25 plants estimated in xeric soil within a lodgepole pine vegetation, 9 degree slope, SE aspect, quartzite geology. Phenology: flowering & fruiting.

U.S.A., Idaho, Lemhi County: Salmon National Forest: Salmon River Mountains: Fenster Creek, 2 air mi SW of Carmen on U.S. Hwy 93 N of Salmon.
Creek side and steep slopes. Phenology: flowering.
Annotated by Joshua J. Irwin.
with Joshua J. Irwin

U.S.A., Idaho, Lemhi County: Salmon National Forest: Beaverhead Mountains: Forest Road 187, Lewis and Clark Backcountry Byway, 9 air mi NE of Tendoy.
Roadside and adjacent slope. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Southeast Absaroka Mountains: slopes on south and east side of Picketts Knob, on west side of Long Creek Road, ca 5 air mi SE of Brooks Lake.
Open talus and hardpan slopes of andesite; vegetative cover low. Phenology: flowering.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: ca 6 mi N of U.S. Hwy 14, Grinnell Meadows.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: Paradise Valley, along head of Kitty Creek, ca 7 mi S of U.S. Hwy 14, 16, and 20.

U.S.A., Montana, Madison County: Gravelly Range: headwaters of the West Fork Madison River, around Fault Lake, ca 6-7 air mi S of Black Butte, ca 38 air mi SSW of Ennis.
Sparsely vegetated, steep slopes in a canyon. Phenology: flowering.

U.S.A., Montana, Madison County: Gravelly Range: headwaters of the West Fork Madison River, around Fault Lake, ca 6-7 air mi S of Black Butte, ca 38 air mi SSW of Ennis.
Rocky soils at ecotone between subalpine forest and talus slopes. Phenology: flowering.

U.S.A., Montana, Beaverhead County: Eastern Centennial Mountains: Mount Jefferson and ridge to the E of the summit, along and to the Montana side of the Continental Divide between Montana and Idaho, ca 10-12 air mi ESE of Upper Red Rock Lake, ca 19 air mi S of junction of Mont Hwy 87 and U.S. Hwy 287.
Subalpine grasslands with occasional Pinus albicaulis, Picea engelmannii, and Abies lasiocarpa. Phenology: flowering & fruiting.

U.S.A., Idaho, Custer County: Challis National Forest: Boulder Mountains: North Fork Big Lost River headwaters valley, 15.7 air mi N of Sun Valley.
Well developed soil in mesic shrub-steppe vegetation; 6° slope, SSE aspect; non-lithic sedimentary geology. Phenology: flowering.

U.S.A., Wyoming, Johnson County: Big Horn Mountains: North Fork Powder River Wilderness Study Area: east side of river, ca 30 mi NW of Kaycee.
Small swale opening in ponderosa pine woodland, fine sand; with Ranunculus ranunculinus, Heterotheca villosa.

U.S.A., Wyoming, Teton County: Grand Teton National Park: Teton Range: Holly Lake and Mount Woodring area, W of Jenny Lake.
Among rocks in the meadows. Occasional; flowers blue. Phenology: flowering.
3. Penstemon pseudoprocerus Rydb.
Annotated by David V. Clark in 1971.
2. Penstemon attenuatus Douglas ex Lindl. ssp. pseudoprocerus (Rydb.) D.D. Keck
Annotated by Frank S. Crosswhite in 1969.

U.S.A., Wyoming, Teton County: Jackson Hole: Grand Teton.
43.7281° N, 110.7537° W; NAD 83, uncertainty 1 mi., Digital Map
Subalpine meadow. Phenology: flowering.
with Lois B. Payson

U.S.A., Wyoming, Teton County: Bryan Flats, Hoback Canyon.
43.2802° N, 110.6459° W; NAD 83, uncertainty 0.5 mi., Digital Map
Dry hillsides. Blue flowers. Phenology: flowering & fruiting.
4. Penstemon pseudoprocerus Rydb.
Annotated by David V. Clark in 1971.
3. Penstemon attenuatus Douglas ex Lindl. ssp. pseudoprocerus (Rydb.) D.D. Keck
Annotated by Frank S. Crosswhite in 1969.

U.S.A., Wyoming, Teton County: Grand Teton National Park: South Fork Cascade Creek, W of Jenny Lake.
Rocky (granitic) soil. Phenology: flowering & fruiting.
4. Penstemon pseudoprocerus Rydb.
Annotated by David V. Clark in 1971.
3. Penstemon attenuatus Douglas ex Lindl. ssp. pseudoprocerus (Rydb.) D.D. Keck
Annotated by Frank S. Crosswhite in 1969.
with R. L. Schaeffer, Jr. & Margaret K. Smith

U.S.A., Wyoming, Teton County: Grand Teton National Park: Paint Brush Canyon, SW of Leigh Lake.
Rocky (granitic) soil. Phenology: flowering & fruiting.
with R. L. Schaeffer, Jr.

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. Blue flowers. Phenology: flowering.

U.S.A., Wyoming, Sheridan County: Bighorn National Forest: South Tongue River.
Gentle west slope; clay loam soil; park, with blue grass, small fescue. Fairly abundant. Phenology: flowering & fruiting.
Annotated by B. E. Nelson in 1984.

U.S.A., Wyoming, Sheridan County: Bighorn National Forest: Tongue District: near Hay Creek Exclosure.
North 10% slope; deep clay loam soil of sedimentary origin, grass forb park, with Festuca idahoensis, Poa canbyi, Geum triflorum, Cerastium arvense. Infrequent; blue to violet flowers. Phenology: flowering.
Annotated by B. E. Nelson on 5//1984.

U.S.A., Wyoming, Sublette County: Sheep Mountain, in the vicinity of Green River Lakes.
43.2754° N, 109.8766° W; NAD 83, uncertainty 2 mi., Digital Map
Grassy slopes. Phenology: flowering.
with Lois B. Payson

U.S.A., Wyoming, Teton County: Vicinty of Hoback Canyon: Bryan Flats.
43.2787° N, 110.6457° W; NAD 83, uncertainty 0.75 mi., Digital Map
Flowers blue. Phenology: flowering.
with Rua Pierson

Penstemon attenuatus var. pseudoprocerus ()
U.S.A., Wyoming, no county County: Bighorn National Forest.
no collector, 38. //.

U.S.A., Wyoming, Sublette County: Wind River Range: Little Sheep Mountain, ca 27 air mi N of Pinedale, W of Gypsum Creek and Forest Road 102.
T39N R109W center
Open south slopes ca 45 deg; old burn; with Senecio serra, Geranium viscosissimum, Lupinus argenteus, Agropyron pseudorepens. Corolla lobes deep blue; tube violet. Phenology: flowering.
Annotated by B. E. Nelson on 3//1982.
Richard Spellenberg, 5750. 8/9/1980.
with Rob Soreng

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

U.S.A., Wyoming, Teton County: Gros Ventre Mountains: Cache Creek.
Growing with Lomatium sp and Poa sp; on bottom of rocky talus. Infrequent. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: Gros Ventre Mountains: Sheep Mountain.
Growing with Besseya wyomingensis and Anemone multifida var tetonensis; on erge of alpine meadow. Infrequent. Phenology: flowering.

U.S.A., Wyoming, Teton County: Grand Teton National Park: Teton Range: Holly Lake and Mount Woodring area, W of Jenny Lake; Mount Woodring.
Among rocks of south-facing rocky slope. Scattering; flowers blue. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Deer Creek Pass near Cody.
Above timber line. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Gros Ventre Mountains: 15 mi NE of Bondurant.
Subalpine flat. Phenology: flowering & fruiting.
with Lois B. Payson

U.S.A., Wyoming, Teton County: Jackson Hole: Grand Teton National Park: above Bradley Lake.
with Rua Pierson

U.S.A., Wyoming, Teton County: Grand Teton National Park: in a cirque basin near Amphitheater and Surprise lakes.
In woods openings of whitebark pine and alpine fir. Occasional patches. Phenology: flowering.

U.S.A., Wyoming, Park County: Yellowstone National Park: S of Mammoth Hot Springs.
Dry rocky hillside. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: Teton Mountains.
with E. N. Wilcox

U.S.A., Wyoming, Park County:

U.S.A., Wyoming, Sheridan County: Bighorn National Forest: Tongue District: near Hay Creek Exclosure.
North 10% slope; deep clay loam soil of sedimentary origin; grass forb park, with Festuca idahoensis, Poa canbyi, Geum triflorum, Cerastium arvense. Infrequent; blue to violet flowers. Phenology: flowering.

U.S.A., Wyoming, Big Horn County: Base of Black Mountain.
Rocky slopes at base of mountain. Phenology: flowering.
Crystal Finley, 34. 6/7/1926.

U.S.A., Wyoming, Sublette County: Wind River Range: Bridger National Forest: southeast slope of Big Sheep Mountain, above Green River Lakes, from campground to alpine.
Montane forest of Pinus contorta and Pseudotsuga mensiesii to alpine; Occurring with Antennaria pulcherrima, Zygadenus elegans, Haplopappus pygmaeus, Petrophyton caespitosum, Hedysarum boreale, Agoseris aurantiaca, Ipomopsis aggregata. Phenology: flowering.
with Travis Minish and Shawn Francis

U.S.A., Wyoming, Teton County: Teton National Forest: Webb Canyon.
North slope, moist soil. Phenology: flowering.
Annotated by Francis W. Pennell in 1919.

U.S.A., Wyoming, Teton County: Teton National Forest: ca a mile W of Leigh Lake outlet.
East 20 deg slope; loamy sand soil; with Phacelia, Poa, Stipa, Drymocallis. Abundant. Phenology: flowering & fruiting.
Charles H. McDonald, 875. 7/17/1928.

U.S.A., Wyoming, Teton County: Two Ocean Mountain; Continental Divide.
Moist hillside. Purple Flowers. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: Teton Pass Mountains, E of Victor, Idaho.
Moist slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Yellowstone National Park: Hooloos 3 mi N of Norris Junction.
Dry hillside and sage. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Yellowstone National Park: Mammoth Hot Springs.

U.S.A., Wyoming, Washakie County: West slope Big Horn Mountains: Tensleep Preserve, ca 10 mi E of Ten Sleep, between Cook Canyon and Billy Creek.
Gravelly slope of open ridge; with Festuca idahoensis, Phlox andicola, Astragalus miser, Eremogone congesta. Phenology: flowering.

U.S.A., Utah, Daggett County: North Slope Uinta Mountains: Ashley National Forest: Sols Canyon, ca 8 air mi SW of Manila; 0.9 mi S on Forest Road 014.
Steep calcareous cliffs with hydrothermic altered clay soils. Phenology: flowering & fruiting.

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

Penstemon attenuatus var. varians (1911)
Penstemon attenuatus Dougl. ex Lindl. var. varians A. Nelson
U.S.A., Idaho, Boise County: Pinehurst.
Loamy lands.
Type Specimen: Syntype for Penstemon attenuatus Dougl. ex Lindl. var. varians A. Nelson. Bot. Gaz. 54: 146. 1912.
3. Penstemon attenuatus Dougl. ex Lindl. var. varians A. Nelson.
Annotated by Francis W. Pennell in 1939.
1. Penstemon attenuatus Dougl. ex Lindl. var. varians A. Nelson var. nov.
Annotated by Aven Nelson.

Penstemon attenuatus var. varians var. nov. (1911)
Penstemon attenuatus Dougl. ex Lindl. var. varians A. Nelson var. nov.
U.S.A., Idaho, Boise County: Pinehurst.
Loamy lands. Phenology: flowering.
Type Specimen: Syntype for Penstemon attenuatus Dougl. ex Lindl. var. varians A. Nelson. Bot Gaz. 54: 146. 1912.
1. Penstemon attenuatus Dougl. ex Lindl. var. varians A. Nelson var. nov.
Annotated by Aven Nelson. Syntype.

Penstemon attenuatus var. varians var. nov. (1911)
Penstemon attenuatus Dougl. ex Lindl. var. varians A. Nelson var. nov.
U.S.A., Idaho, Owyhee County: Twilight Gulch.
Moist loamy flats. Phenology: flowering.
Type Specimen: Syntype for Penstemon attenuatus Dougl. ex Lindl. var. varians A. Nelson. Bot. Gaz. 54: 146. 1912.
1. Penstemon attenuatus Dougl. ex Lindl. var. varians A. Nelson var. nov.
Annotated by Aven Nelson. Syntype.
J. Francis Macbride, 974. 6/23/1911.

Penstemon attenuatus var. varians (1911)
Penstemon attenuatus Dougl. ex Lindl. var. varians A. Nelson
U.S.A., Idaho, Owyhee County: Twilight Gulch.
Moist loamy flats. Phenology: flowering.
Type Specimen: Syntype for Penstemon attenuatus Dougl. ex Lindl. var. varians A. Nelson. Bot. Gaz. 54: 146. 1912.
2. Penstemon attenuatus Dougl. ex Lindl. var. varians A. Nelson
Annotated by Frank S. Crosswhite in 1969. Type. = P. oreocharis Greene.
Annotated by Aven Nelson.
J. Francis Macbride, 974. 6/23/1911.