Calochortus eurycarpus (1994)
LILIACEAE
Calochortus eurycarpus S. Watson
U.S.A., Wyoming, Teton County: Absaroka Mountains: Bridger-Teton National Forest: along north side of Atlantic Creek; ca 1 mi NE of Two Ocean Pass.
Elev. 8160 ft.
Meadow with Potentilla gracilis, Arenaria congesta, and Aster integrifolius. Phenology: flowering & fruiting.
Accession: RM 782059

Calochortus eurycarpus (1997)
LILIACEAE
Calochortus eurycarpus S. Watson
U.S.A., Idaho, Fremont County: Island Park Plateau: Targhee National Forest: along Fish Hatchery Ford Road (Forest Road 610), ca 1/3 mi W of Forest Road 294, ca 14 mi N of Ashton.
Elev. 6160 ft.
T11N R43E S18
Lodgepole pine clearcut with Carex geyeri, Koeleria macrantha, and Arenaria congesta. Phenology: flowering & fruiting.
Accession: RM 819694, Barcode: RM0024150

Calochortus eurycarpus (2000)
LILIACEAE
Calochortus eurycarpus S. Watson
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.
Stony, grassy slope. Phenology: flowering.
Accession: RM (unaccessioned)

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
Accession: RM (unaccessioned)

U.S.A., Idaho, Valley County: Payette National Forest and Vicinity: Salmon River Mountains: along Kennally Creek from the campground to the North Fork, ca 14-15 air mi SE of McCall.
Mixed conifer forest with open areas, granite outcrops, and granite ridges. Phenology: flowering & fruiting.
with Joy Handley
Accession: RM (unaccessioned)

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 & fruiting.

U.S.A., Idaho, Valley County: Payette National Forest and Vicinity: Salmon River Mountains: along trail from Boulder Meadows Reservoir to Boulder Lake, ca 7-8.5 air mi ESE of McCall.
Brushy mixed conifer forest. 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.
Elev. 4860 ft.
Sandy river bottom with overflow channels and woodland patches. Phenology: flowering.

U.S.A., Idaho, Adams County: [location and coordinates withheld]
Lakeside dominated by grass and Wyethia. Phenology: flowering & fruiting.

U.S.A., Idaho, Washington County: Payette National Forest and Vicinity: Hitt Mountains: Hixon Sharptail Preserve, Fairchild Reservoir, ca 8 air mi W of Midvale; ca 14 air mi SW of Cambridge.
Open grass and shrubland, clay soil. Phenology: flowering & fruiting.

U.S.A., Idaho, Adams County: Payette National Forest and Vicinity: Weiser River Valley: just NE of Granger Butte, ca 7 air mi S of Indian Valley; ca 15 air mi SE of Cambridge.
Grass and shrub rangeland. Phenology: flowering & fruiting.

U.S.A., Idaho, Adams County: Payette National Forest and Vicinity: Salmon River Mountains: west-facing slope of Meadows Hill, just N of Fish Lake, ca 5 air mi SE of New Meadows; ca 6 air mi W of McCall.
West-facing grassy slope. 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.
with Phillip G. Lawrence

U.S.A., Idaho, Washington County: Payette National Forest and Vicinity: Cuddy Mountains: Boundary Trail, just S of Grizzly Basin, ca 8 air mi N of Cambridge; ca 13 air mi W of Council. Also SE/14
Mostly south-facing slopes along fence line with moist drainages. Phenology: flowering & fruiting.
with Phillip G. Lawrence

U.S.A., Idaho, Valley County: Payette National Forest and Vicinity: Salmon River Mountains: Sloans Point, ca 7.5 air mi ENE of Donnely; ca 14 air mi SE of McCall.
Mixed conifer forest with timber harvest at various times in the past. Phenology: flowering & fruiting.
with B. E. Nelson

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 & fruiting.
with Erin Peters

U.S.A., Idaho, Valley County: Payette National Forest and Vicinity: Salmon River Mountains: east-facing slope of Slab Butte, ca 13 air mi N of McCall; ca 11 air mi NE of New Meadows.
Moist in spruce-fir overstory. Phenology: flowering & fruiting.
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 & fruiting.
with Erin Peters

U.S.A., Idaho, Adams County: Payette National Forest and Vicinity: Cuddy Mountains Area: Rocky Comfort Flat, ca 21 air mi NW of Council; ca 20.5 air mi W of New Meadows.
Rocky basalt soil dominated by Elymus spicatus and Festuca idahoensis, interspersed with scablands dominated by Poa secunda and Artemisia tripartita. Phenology: flowering & fruiting.

U.S.A., Idaho, Adams County: Payette National Forest and Vicinity: flat just W of Summit Gulch and E of head of Boulder Creek, ca 2.5 air mi NW of Bear; ca 21.5 air mi WNW of New Meadows.
Disturbed scabland; rocky basalt soil. Phenology: flowering.

U.S.A., Idaho, Adams County: Payette National Forest and Vicinity: exclosure just W of Summit Gulch on Forest Road 073 (071), ca 3 air mi SW of Bear; ca 21 air mi W of New Meadows.
Dry flat; rocky bastalt soil; former Pinus ponderosa overstory logged and burned. Phenology: flowering & fruiting.

U.S.A., Idaho, Adams County: Payette National Forest and Vicinity: West Mountains Area: Forest Road 243 just S of King Hill Creek, ca 8 air mi ENE of Indian Valley; ca 13 air mi SE of Council.
Rocky, basalt outcrop; domianted by Lomatium at edge of moist, mixed conifer forest. Phenology: flowering & fruiting.
with Barbara Ertter

U.S.A., Idaho, Valley County: Payette National Forest and Vicinity: Salmon River Mountains Area: Fourmile Creek Trail (090) off Forest Road 674, ca 20.5 air mi ESE of McCall; ca 21 air mi NE of Donnelly.
Mixed moist conifer overstory; granite soil. 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.
Steep, mostly north-facing slopes; dominated by Pinus contorta and Vaccinium. Phenology: flowering & fruiting.

U.S.A., Idaho, Valley County: Payette National Forest and Vicinity: Salmon River Mountains Area: Jacobs Ladder Flat by Forest Road 340, ca 3.5 air mi SSW of Big Creek; ca 11 air mi NE of Yellow Pine.
Dominated by Artemisia tridentata and Potentilla fruticosa; many dry stream channels filled with cobbles. Phenology: flowering & fruiting.

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

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, Valley County: Payette National Forest and Vicinity: Hartley Meadows NW of Brundage Mountain, ca 9 air mi ENE of New Meadows; ca 7.5 air mi N of McCall along Adams County line.
Subalpine meadow. Phenology: flowering.

U.S.A., Idaho, Valley County: Payette National Forest and Vicinity: Frank Church-River of No Return Wilderness: Big Creek Trail to Beaver Creek Trail, ca 3 air mi NW of Big Creek; ca 17 air mi NW of Yellow Pine.
Mixed conifer/Pseudotsuga menziesii overstory, mostly south-facing slopes/trailside. Phenology: fruiting.
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.
Disturbed area. Phenology: flowering.
with Denise L. Fairbanks

U.S.A., Idaho, Adams County: Payette National Forest and Vicinity: West Mountains Area: north side of Wood Gulch, above Forest Road 199, ca 4.5 air mi SE of Council; ca 14 air mi WSW of Donnelly.
Moderately steep, south to southwest-facing slopes; Pinus ponderosa/Pseudotsuga menziesii overstory; basalt soil. Phenology: flowering.

U.S.A., Idaho, Adams County: Payette National Forest and Vicinity: West Mountains Area: Warm Springs Trail (203), along east side of Warm Spring Creek, off Forest Road 186, ca 8 air mi SE of Council; ca 12.5 air mi SW of Donnelly.
Basalt soil; moderately steep, mostly west facing slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Cody.
Dry, open country. Phenology: flowering.
Accession: RM 116939

U.S.A., Wyoming, Teton County: 1 mi SW of Two Ocean Pass.
Phenology: flowering & fruiting.
Accession: RM 212425

U.S.A., Wyoming, Lincoln County: Ca 5.5 air mi N of Afton, Grover Park, NE of CCC Camp.
Abundant in lodgepole pine forest. Phenology: flowering & fruiting.

U.S.A., Wyoming, Lincoln County: 1.5 mi SE of Alpine.
Meadow with Erigeron, Symphoricarpos. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: Southwestern Absarokas: Yellowstone National Park: ca 10 air mi NNW of Evans Lake, ca 15 air mi NE of Moran.
Meadow surrounded by spruce-fir forest.
Accession: (unaccessioned)

U.S.A., Wyoming, Park County: Southwestern Absarokas: Teton Wilderness: along outfitters trail W of Throrofare Plateau, ca 2.5 air mi S of Yellowstone National Park.
In seep.
Accession: (unaccessioned)

U.S.A., Wyoming, Park County: Southwestern Absarokas: Yellowstone National Park: area between Thorofare Creek and Escarpment Creek, vicinity of Throrfare Ranger Station.
Salix meadows and lodgepole pine forests.
Accession: (unaccessioned)

U.S.A., Wyoming, Park County: Southwestern Absarokas: Teton Wilderness: along Thorofare Creek Trail to Coyote Creek, ca 1 mi SE of the southeast corner of Yellowstone National Park.
Lodgepole pine forests and dry, rocky meadows.

U.S.A., Wyoming, Park County: Southwestern Absarokas: Yellowstone National Park: Thorofare Trail in vicinity of Mountain Creek, ca 1.25 mi E of the Yellowstone River.
Picea-Pinus forests and adjacent dry meadows.

U.S.A., Wyoming, Teton County: Southwestern Absarokas: Teton Wilderness: vicinity of Parting of the Waters National Monument.
Picea-Pinus forest.

U.S.A., Idaho, Clark County: Targhee National Forest: Centennial Mountains: Taylor Creek area, ca 15 air mi NW of Island Park.
T14N R41E S32
Coniferous forest dominated by Pseudotsuga menziesii and Abies lasiocarpa.

U.S.A., Idaho, Clark County: Targhee National Forest: Centennial Mountains: Cottonwood Creek area, ca 6.5 air mi N of Kilgore.
T14N R39E S31
Moist meadow, dominated by forbs and grasses.

U.S.A., Idaho, Fremont County: Targhee National Forest: Island Park Plateau: intersection of U.S. Hwy 20 and Little Butte Road, ca 13 air mi N of Ashton.
Clearcut in coniferous forest, ca 5 years old, dominated by grasses, Carex and forbs, with scattered Pinus contorta.

U.S.A., Idaho, Fremont County: Targhee National Forest: Centennial Mountains: just within National Forest boundary, 100 yards N of road leading from U.S. Hwy 20 to Sawtell Peak, 1 air mi W of U.S. Hwy 20, ca 6 air mi SE of Henrys Lake.
Open meadow dominated by grasses and forbs.

U.S.A., Idaho, Fremont County: Targhee National Forest: Island Park Plateau: Island Park, along small creek ca 50 yds N of Buffalo River; ca 300 yds W of U.S. Hwy 20.
Clearing in lodgepole forest, dominated by grasses and forbs, with scattered Pinus contorta.

U.S.A., Oregon, Umatilla County: Umatilla National Forest and Vicinity: ca 3 air mi ENE of Albee on Forest roads 5425 and 100.
Mostly open wind throw, logging, and burned area with mixed conifers, heavily used by cows; soil fine, deep, ashy, pale; slope 0-10; aspect southerly. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Caribou Range: west side of Star Valley above the Salt River, ca 2.5-3 air mi SW of Thayne; ca 12.5-13 air mi NW of Afton.
Aspen-mixed conifer woods. Phenology: flowering.
with Russ Nelson
Accession: RM 1012106, Barcode: RM0292051

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: off Forest roads 100 and 112, ca 21 mi S and 8 mi E of Heppner.
Open area with ponderosa pine, juniper and Artemisia in shallow, chocolate brown soil over basalt; slope 0-5; aspect south. Phenology: flowering.

U.S.A., Oregon, Grant County: Umatilla National Forest and Vicinity: Forest roads 3990 and 40, ca 12 mi S and 3 mi E of Dale.
Sagebrush steppe in copper, platey, metallic soil; slope 10; aspect ridgetop and south. Phenology: flowering.

U.S.A., Oregon, Grant County: Umatilla National Forest and Vicinity: Forest roads 3990 and 40, ca 12 mi S and 3 mi E of Dale.
Open area in pumic rock and tan soil; slope:10; aspect: southwest. Phenology: flowering.

U.S.A., Washington, Asotin County: Umatilla National Forest and Vicinity: Forest Road 4304, ca 6 mi W and 1 mi S of Anatone.
Open area in platey, copper colored soil; slope 5-10; aspect south. Phenology: flowering.

U.S.A., Oregon, Grant County: Umatilla National Forest and Vicinity: Ben Harrison Peak on Forest roads 2010 and 148, 5 mi S and 9 mi W of Granite.
Open area with sagebrush, whitebark pine, and subalpine fir in fine, deep, light brown soil; slope 15; aspect ridgetop. Phenology: flowering & fruiting.

U.S.A., Oregon, Morrow County: Umatilla National Forest and Vicinity: Thompson Flat and Forest Road 5316, ca 3 mi N and 13 mi W of Dale.
Ponderosa pine forest and adjacent sagebrush steppe in shallow soil; slope 0; aspect none. Phenology: fruiting.

U.S.A., Oregon, Grant County: Umatilla National Forest and Vicinity: Silver Butte at end of Forest Road 5225, ca 16 mi S and 19 mi E of Ukiah.
Open area on slope with shallow, fine, tan soil over rock outcrop; slope 15; aspect west. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Green River Basin: Sweetwater Guard Station (foundation remaining) and Campground.
Meadow, streamside, and edge of lodgepole pine forest. Phenology: flowering.

U.S.A., Wyoming, Park County: Beartooth Mountains: ca 1/4-3/4 air mi N of Clarks Fork Yellowstone River; ca 26.5 air mi NNW of Cody.
Red beds. Phenology: flowering.
with B. E. Nelson and Brian Elliott
Accession: USFS 860983, Barcode: USFS0042472

U.S.A., Montana, Beaverhead County: U.S. Sheep Experiment Station: Summer Range: Odell Creek.
T15S R1W S23
Phenology: flowering.
Annotations:
1. Calochortus eurycarpus S. Watson
Annotated by Walter Fertig in 2001.
Accession: USFS 441458

U.S.A., Montana, Beaverhead County: Beaverhead National Forest: continental divide.
T4S R18W S33
Ridge top; shallow gravel loam soil; grass with Asp., Fid., Poa, Cge. Scattered. Phenology: flowering.
Accession: USFS 441300

U.S.A., Idaho, Custer County: Salmon River Mountains: Salmon-Challis National Forest: along trail to Collie Lake, ca 2.5 mi W of Lola Creek Campground, ca 19 mi NW of Stanley.
Seasonally wet meadow with Arnica longifolia, Dodecatheon jeffreyi, Senecio triangularis, and Ligusticum canbyi. Phenology: flowering & fruiting.
Accession: RM 914176, Barcode: RM0069306

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.

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 shrub-steppe vegetation; 6° slope, W aspect; porphyry/ganitoid geology. 26-75 individuals apparent. Phenology: flowering.

U.S.A., Idaho, Custer County: Challis National Forest: Boulder Mountains: glacial canyon below North Fork Lake, 15 air mi N of Sun Valley.
Well developed soil in mesic shrub-steppe vegetation; 25° slope, SE aspect; micritic limestone/sandstone geology. Population is dominant throughout the area. Phenology: flowering.

U.S.A., Wyoming, Park County: Beartooth Plateau: N of Littlerock Creek at the foot of the plateau; ca 4 air mi E of Deep Lake; ca 7.5 air mi W of Clark; ca 29 air mi NNW of Cody.
Stony sagebrush slopes. Phenology: flowering.
Accession: 860984, Barcode: USFS0042471

U.S.A., Idaho, Custer County: Challis National Forest: Cape Horn Area: outlet channel of big Cape Horn Lake, 16.8 air mi NW of Stanley.
Well developed soil in mesic shrub-steppe vegetation; 0° slope; morainal geology. 26-75 individuals apparent. Phenology: flowering.

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 forb dominated vegetation; 4° slope, 0 aspect; granodiorite geology. 26-75 individuals apparent. Phenology: flowering.

U.S.A., Idaho, Lemhi County: Salmon National Forest: Lemhi Range: foothills between Bates Gulch and Alder Creek, 13.4 air mi WNW of Leadore.
Well developed soil in xeric Douglas-fir vegetation; 14° slope, N aspect; alluvial geology. 76-150 individuals apparent. Phenology: flowering.
with Craig Scott

U.S.A., Idaho, Lemhi County: Salmon National Forest: Beaverhead Mountains: Freeman Creek valley W of Freeman Peak, 11 air mi NE of Salmon.
Well developed soil in mesic forb dominated vegetation; 18° slope, S aspect; arenite geology. 26-75 individuals apparent. Phenology: flowering.

U.S.A., Idaho, Lemhi County: Salmon National Forest: Beaverhead Mountains: upper Fourth of July Creek ca 0.9 mi upstream of the forest road, 8.5 air mi E of North Fork.
Sandy or gravelly soil in xeric barren ground vegetation; 20° slope, S aspect; alluvial geology. 26-75 individuals apparent. Phenology: flowering.
with Wendy Irwin

U.S.A., Idaho, Custer County: Challis National Forest: Pioneer Mountains: uplands SW of Fishpole Lake, 22.7 air mi SSW of Mackay.
Well developed soil in xeric forb dominated vegetation; 22° slope, ESE aspect; siliciclastic sedimentary geology. 26-75 individuals apparent. Phenology: flowering.

U.S.A., Idaho, Lemhi County: Beaverhead Mountains: above Pattee Creek on Forest Road 185, 7.5 air mi NE of Tendoy and 0.3 road mi downhill from the National Forest boundary.
Tall forb community on slope with scattered Douglas fir, little different on ridge. Phenology: flowering.
Annotations:
1. Calochortus eurycarpus S. Watson
Annotated by Joshua J. Irwin.

U.S.A., Idaho, Lemhi County: Salmon National Forest: Lemhi Range: East Fork Hayden Creek Road (Forest Road 010), at crossing of East Fork Hayden Creek, ca 16 air mi W of Leadore.
Streamside. Phenology: flowering.
Annotations:
1. Calochortus eurycarpus S. Watson
Annotated by Joshua J. Irwin.

U.S.A., Idaho, Lemhi County: Salmon National Forest: Lemhi Range: junction of Mill Creek and Little Mill Creek, Forest Road 006, ca 12 air mi W of Leadore.
Streamside with Douglas fir and adjacent rocky area. Phenology: flowering.
Annotated by Joshua J. Irwin.

U.S.A., Idaho, Lemhi County: Salmon National Forest: Beaverhead Mountains: between Morgan Mountain and Eagle Mountain.
Ridgetop and edge of Douglas fir forest. Phenology: flowering.

U.S.A., Idaho, Lemhi County: Salmon National Forest: Salmon River Mountains: upper Moccasin Creek, ca 1.5 mi NW of Williams Creek Summit on Forest Road 021.
Streamside in Douglas fir. Phenology: flowering.

U.S.A., Idaho, Custer County: Challis National Forest: Southern Salmon River Mountains: Yankee Fork Road at Tenmile Creek then NW ca 0.5 air mi, ca 4.5-5 air mi W of Mill Creek Summmit.
Openings along trail. Phenology: flowering.

U.S.A., Idaho, Custer County: Challis National Forest: Southern Salmon River Mountains: Mill Creek Road, ca 1 air mi N of Mill Creek Summit, ca 13 air mi W of Challis.
Moist slopes along stream in lodgepole pine forest. Phenology: flowering & fruiting.

U.S.A., Montana, Beaverhead County: Henrys Lake Mountains: Antelope Basin, along the Continental Divide National Scenic Trail, ca 11 air mi SSW of Earthquake Lake, ca 48 air mi S of Ennis.
Sagebrush grasslands with occasional Pseudotsuga menziesii and Pinus contorta. Phenology: flowering.
1. Calochortus eurycarpus S. Watson.

U.S.A, Idaho, Custer County: Challis National Forest: Eastern Boulder Mountains: valley of the North Fork Big Lost River, between Slide and Corral canyons, 16.5 air mi NNE of Sun Valley.
In xeric soil within shrub-steppe vegetation, 4 degree slope, SSE aspect, shale geology. Phenology: flowering.
with Ben Legler

U.S.A, Idaho, Lemhi County: Salmon National Forest: Salmon River Mountains: along Pony Creek, just above Napias Creek, 11.9 air mi W of Salmon.
In mesic soil within woody riparian vegetation, 6 degree slope, NW aspect, rhyodacite geology. Phenology: flowering.

U.S.A, Idaho, Lemhi County: Salmon National Forest: Lemhi Range: unnamed west fork of upper Big Eightmile Creek, 12.4 air mi WSW of Leadore.
In mesic soil within a Douglas-fir vegetation, 10 degree slope, ESE aspect, till geology. Phenology: flowering.
with Lucinda Haggas

U.S.A, Idaho, Lemhi County: Salmon National Forest: Lemhi Range: Big Eightmile Creek floodplain just above the confluence with Dairy Creek, 10.2 air mi WSW of Leadore.
In mesic soil within woody riparian vegetation, no slope, till geology. Phenology: flowering.
with Jessica Macy