Platanthera dilatata (1986)
ORCHIDACEAE
Platanthera dilatata (Pursh) Lindl. ex L. C. Beck
U.S.A., Washington, Pend Oreille County: Selkirk Range: along Forest Road 311, ca 18 mi ESE of Metaline Falls.
Moist-wet forest floor under Thuja plicata and with Athyrium filix-femina and Gymnocarpium dryopteris.
Accession: (unaccessioned)

Platanthera dilatata (1989)
ORCHIDACEAE
Platanthera dilatata (Pursh) Lindl. ex L. C. Beck
U.S.A., Colorado, Routt County: Sierra Madre/Park Range: Park Range: cirque basin and slopes, just S of Red Dirt Pass.
T10N R82W S19
Streamside.
Accession: (unaccessioned)

Platanthera dilatata (1977)
ORCHIDACEAE
Platanthera dilatata (Pursh) Lindl. ex L. C. Beck
U.S.A., Montana, Deer Lodge County: Anaconda-Pintlar Range: east shore of Storm Lake.
Elev. 8250 ft.
In wet meadow. Common. Phenology: flowering.
Annotations:
2. Platanthera dilatata (Pursh) Lindl. ex L. C. Beck
Annotated by L. Wallace on 12//2002.
Klaus H. Lackschewitz, 7494. 7/10/1977.
Accession: RM 366959

U.S.A., Montana, Flathead County: Glacier National Park: 8 mi N of Fish Creek Ranger Station.
Phenology: flowering.
Annotations:
3. Platanthera dilatata (Pursh) Lindl. ex L. C. Beck var. dilatata
Annotated by L. Wallace on 12//2002.
with George Piranian
Accession: RM 152386

U.S.A., Idaho, Idaho County: Clearwater National Forest: Selway-Bitterroot Wilderness: Lochsa River Drainage: Warm Springs Pack Bridge Trail Head: ca 5 mi on Pack Trail 49, near waterfall, ca 36 air mi WSW of Hamilton, MT.
Elev. 4483 ft.
Mixed conifers. Phenology: flowering.
Annotations:
1. Platanthera dilatata (Pursh) Lindl. ex L. C. Beck.
Accession: RM (unaccessioned)

U.S.A., Idaho, Idaho County: Nez Perce National Forest: Selway River Drainage: Big Fog Saddle, Forest Road 319, ca 1/4 mi down Forest Trail 693, ca 38 air mi ESE of Kooskia.
Elev. 5497 ft.
Subalpine, mixed conifers including lodgepole pine. Phenology: flowering.
1. Platanthera dilatata (Pursh) Lindl. ex L. C. Beck.
Accession: RM (unaccessioned)

U.S.A., Idaho, Idaho County: Nez Perce National Forest: Selway River Drainage: O'Hara Road following O'Hara Creek, ca 3 mi on Forest Road 651, ca 23 air mi ESE of Kooskia.
Wet streamside along road. Phenology: flowering.
Accession: RM (unaccessioned)

U.S.A., Idaho, Idaho County: Bitterroot National Forest: Middle Fork Clearwater Wild and Scenic River: Magruder Cabin: ca 1 mi on Pack Trail 4 along Selway River, ca 34 air mi SW of Darby, MT.
Streamside, mixed conifers, Douglas fir, grand fir, ponderosa pine. Phenology: flowering.
1. Platanthera dilatata (Pursh) Lindl. ex L. C. Beck.

U.S.A., Idaho, Idaho County: Bitterroot National Forest: Bitterroot Mountains: Selway River Drainage: Nez Perce Pass: ca 0.5 mi W of Nez Perce Pass on Forest Road 468, ca 27 air mi SSW of Darby, MT.
Roadside seep, mixed conifer forest. Phenology: flowering.

U.S.A., Idaho, Idaho County: Clearwater National Forest: Lochsa River Drainage: across Split Creek Pack Bridge: ca 0.5 mi on Forest Trail 133 along the Lochsa River, ca 28 air mi ENE of Kooskia.
Riverside. Phenology: flowering.

U.S.A., Idaho, Idaho County: Clearwater National Forest: Selway-Bitterroot Wilderness: Lochsa River Drainage: Wilderness Gateway Trail Head: ca 3 mi on Pack Trail 211 to Stanley Hot Springs, ca 36 air mi ENE of Kooskia.
Mixed conifer forest, hillside. Phenology: flowering.

U.S.A., Idaho, Idaho County: Nez Perce National Forest: Middle Fork Clearwater Wild and Scenic River: Race Creek Trail Head: along Selway River, ca 3 mi upriver from Race Creek along Forest Trail 4, above Balinger Rapids, ca 23 mi NNE of Elk City.
Rocky, open, Pinus ponderosa dominated streamside slope. Phenology: flowering.

U.S.A., Idaho, Idaho County: Nez Perce National Forest: Selway-Bitterroot Wilderness: Moose Creek Ranger Station: ca 4 mi upstream along Selway River, Forest Trail 4, ca 56 air mi ESE of Kamiah.
Rocky riverside, mixed conifers. Phenology: flowering.

U.S.A., Idaho, Idaho County: Bitterroot National Forest: Selway-Bitterroot Wilderness: Bad Luck Creek, ca 1 mi on Forest Trail 447, ca 29 air mi WSW of Darby, MT .
Streamside in mixed coniferous forest. Phenology: flowering.

U.S.A., Idaho, Idaho County: Nez Perce National Forest: Selway-Bitterroot Wilderness: Shearer Guard Station: Ditch Creek, ca 1 mi on Forest Trail 527, ca 30 air mi ENE of Elk City.
Ponderosa pine dominated hillside. Phenology: flowering.

U.S.A., Idaho, Idaho County: Nez Perce National Forest: Selway-Bitterroot Wilderness: Indian Lake, ca 13 mi on Forest Trail 430 from Lost Horse, ca 27 air mi WSW of Hamilton, MT.
Wet meadow. Phenology: flowering.

U.S.A., Idaho, Idaho County: Nez Perce National Forest: Middle Fork Clearwater Wild and Scenic River: Selway River Drainage: ca 20 mi on Forest Road 223, ca 1/4 mi on Gedney Creek Trail, Forest Trail 708, ca 17 air mi NNE of Elk City.
Mixed coniferous forest. Phenology: flowering.

U.S.A., Idaho, Idaho County: Nez Perce National Forest: along O'Hara Creek, ca 1.5 road mi S of Selway River on Forest Road 651, ca 23 air mi ESE of Kooskia.
Roadside and near the creek.
1. Platanthera dilatata (Pursh) Lindl. ex L. C. Beck
Annotated by Georgia G. Thomas.
with Jack Hartman

U.S.A., Idaho, Idaho County: Bitterroot National Forest: Selway River Drainage: Deep Creek and Deep Creek Campground, ca 34 air mi SW of Darby, MT.
Rocky riverside, mixed conifers. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Bridger-Teton National Forest: Poison Meadow.
Wet meadow. Phenology: flowering.
1. Habenaria dilatata (Pursh) Hook..
with A. Cameron, R. Zobell, A. Zobell
Accession: RM 958096, Barcode: RM0213305

Platanthera dilatata var. albiflora (1996)
Platanthera dilatata (Pursh) Lindl. ex L. C. Beck var. albiflora (Cham.) Ledeb.
U.S.A., Wyoming, Fremont County: Southern Absaroka Area: Brooks Lake area, Bonneville Pass from trail head to top of pass.
Meadows and stream bottom. Phenology: flowering.
1. Platanthera dilatata (Pursh) Lindl. ex L. C. Beck var. albiflora (Cham.) Ledeb.
Annotated by David Rosenthal.
with David Rosenthal
Accession: USFS 853011, Barcode: USFS0037433

Platanthera dilatata var. albiflora (2001)
Platanthera dilatata (Pursh) Lindl. ex L. C. Beck var. albiflora (Cham.) Ledeb.
U.S.A., Wyoming, Teton County: Yellowstone Plateau: Yellowstone National Park: along Arnica Creek ca 7 mi N of West Thumb.
T52N R114W S2
Wet meadow-bog with Eleocharis palustris, Deschampsia cespitosa, Carex scopulorum, and Antennaria corymbosa. Phenology: flowering.
Accession: RM 825167, Barcode: RM0015925

Platanthera dilatata var. albiflora (2003)
Platanthera dilatata (Pursh) Lindl. ex L. C. Beck var. albiflora (Cham.) Ledeb.
U.S.A., Wyoming, Park County: Yellowstone Plateau: Yellowstone National Park: southeast end of Gibbon Meadows, ca 5 mi SW of Norris Junction.
T54N R115W S5
Wet meadow-fen with Pedicularis groenlandica, Carex nebrascensis, and Saxifraga subapetala. Phenology: flowering & fruiting.
Accession: RM 912012, Barcode: RM0068094

U.S.A., Montana, Gallatin County: West Side of the Bridger Range: Gallatin National Forest: along South Cottonwood Creek, ca 8 mi NE of Bozeman.
T1S R6E S10
Riparian community under Engelmann spruce and Douglas fir with Rubus parviflorus, Calamagrostis canadensis, and Streptopus amplexifolius. Phenology: flowering & fruiting.

U.S.A., Montana, Madison County: Tobacco Root Mountains: Deerlodge National Forest: along the west side of the South Boulder River, ca 18 mi NE of Twin Bridges.
T2S R4W S25
Riparian community under Engelmann spruce with Equisetum arvense, Rubus parviflorus, and Carex disperma in the ground layer. Phenology: flowering.

U.S.A., Montana, Beaverhead County: Pioneer Mountains: Beaverhead-Deerlodge National Forest: Tent Lake, ca 23 mi NNW of Dillon.
T5S R11W S16
In wet soil along lake shore with Caltha leptosepala, Vaccinium occidentale, and Trollius albiflorus. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: north-south ridge W of Big Creek at the base of The Wall, ca 6 mi N of U.S. Hwy 14, 16, & 20.
In wet soil in seepage area within old burn. Phenology: flowering.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: Torrent Creek, just N of confluence with North Fork Shoshone River, ca 11 mi NNE of U.S. Hwy 14, 16, & 20.
Moist areas and seepage in spruce-fir forest. Phenology: flowering.

U.S.A., Montana, Gallatin County: Madison Range: Gallatin National Forest: Axolotl Lake, ca 2 mi E of Potamogeton Park; ca 28 mi NNW of West Yellowstone.
Wet-moist soil along open lake shore with Carex aquatilis, Equisetum arvense and Viola macloskeyi. Phenology: flowering.
2. Platanthera dilatata (Pursh) Lindl. ex L. C. Beck var. albiflora (Cham.) Ledeb.
Annotated by L. Wallace on 12//2002.
Accession: RM 619605

U.S.A., Montana, Gallatin County: Madison Range: Gallatin National Forest: Spanish Peaks area: along west side of Deer Creek and trail, ca 1 mi E of Moon Lake; ca 25 mi SSW of Bozeman.
Bog on south facing slope with Eriophorum chamissonis, Carex capillaris and Swertia perennis. Phenology: flowering.
2. Platanthera dilatata (Pursh) Lindl. ex L. C. Beck var. albiflora (Cham.) Ledeb.

U.S.A., Idaho, Fremont County: Targhee National Forest: Island Park Plateau: Warm River Spring, ca 16 mi NE of Ashton.
Wet soil adjacent to spring-run with Nasturtium officinale, Glyceria striata, and Platanthera hyperborea.
Accession: (unaccessioned)

U.S.A., Montana, Sweet Grass County: Beartooth Mountains: Gallatin National Forest: along trail above Graham Creek, a tributary of the Boulder River, ca 28 mi SW of Big Timber.
Mixed coniferous forest with Vaccinium membranaceum, Linnaea borealis, and Arnica cordifolia. Phenology: flowering.
Annotated by William Jennings in 2004.

U.S.A., Montana, Madison County: Madison Range: Beaverhead National Forest: along Bear Creek on The Helmet-Sphinx Mountain Trail, ca 16 mi SE of Ennis.
Moist-wet spruce forest along the creek with Saxifraga odontoloma, Streptopus amplexifolius, and Angelica arguta. Phenology: flowering.
Annotated by William Jennings in 2004.

U.S.A., Montana, Gallatin County: Gallatin Range: Bear Creek Canyon: east side of Bear Creek, ca 8 mi SE of Bozeman.
Riparian area along creek with Rosa nutkana, Cornus stolonifera, Senecio triangularis, and Betlua occidentalis. Phenology: flowering & fruiting.

U.S.A., Montana, Gallatin County: Gallatin Range: Gallatin National Forest: along east side of Langhor Road, ca 11 mi S of Bozeman.
Wet Engelmann spruce forest along small stream with Mitella pentandra, Streptopus amplexifolius, Carex disperma, and Equisetum arvense. Phenology: flowering & fruiting.

U.S.A., Montana, Gallatin County: Madison Range: Gallatin National Forest: along trail to Teepee Basin: ca 1 mi S of Basin, ca 19 mi N of West Yellowstone.
Wet spruce-fir forest with Equisetum arvense, Carex disperma, and Platanthera hyperborea. Phenology: flowering.

U.S.A., Montana, Sweet Grass County: Beartooth Mountains: Custer National Forest: along Pass Creek ca 1/8-1/4 mi N of Castle Creek, in foothills ca 7 mi NW of Nye.
Riparian community with Picea glauca, Alnus incana ssp. tenuifolia, Mimulus guttatus, and Catabrosa aquatica.

U.S.A., Montana, Sweet Grass County: Beartooth Mountains: Custer National Forest: along east side of the West Fork Stillwater River just SE of end of road and bridge, ca 12 mi SW of Nye.
Moist spruce forest with Moneses uniflora, Carex disperma, Orthilia secunda, Lycopodium annotinum, Equisetum arvense, and Mitella pentandra.

U.S.A., Montana, Madison County: Madison Range: Beaverhead National Forest: along Papoose Creek in the foothills, ca 1 mi E of U.S. Hwy 287, 23 mi S of Cameron.
Moist-wet spruce forest with Orthilia secunda, Thalictrum occidentale, Pyrola asarifolia, and Carex disperma.
2. Platanthera dilatata (Pursh) Lindl. ex L. C. Beck var. dilatata

U.S.A., Montana, Carbon County: Beartooth Mountains: Custer National Forest: west side of East Rosebud Lake; 20 mi W of Red Lodge.
Moist soil along lakeshore. Phenology: flowering.

U.S.A., Montana, Stillwater County: Beartooth Mountains: Custer National Forest: Emerald Lake Campground: between West Rosebud Creek and the campground, 25 mi WNW of Red Lodge.
Spruce swamp with Picea glauca, Picea engelmannii, Carex leptalea, Carex disperma, Equisetum arvense, and Pyrola asarifolia. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: Teton Range: J. D. Rockefeller Jr. Memorial Parkway: along Glade Creek Trail, ca 4 mi SW of Flagg Ranch.
Marsh just W of trail with Salix drummondii, Eriophorum polystachion, and Deschampsia cespitosa. Phenology: flowering.

U.S.A., Wyoming, Teton County: Teton Range: J. D. Rockefeller Jr. Memorial Parkway: along Flagg-Ashton Road just W of Glade Creek, ca 6 mi SW of Flagg Ranch.
Seepage along watercourse just W of road with Ligusticum canbyi, Platanthera hyperborea, and Senecio triangularis. Phenology: flowering.

U.S.A., Montana, Sweet Grass County: Beartooth Mountains: Custer National Forest: along small tributary just S of Picket Pin Creek, ca 10 mi W of Nye.
Wet-moist spruce forest with Mitella pentandra, Carex disperma, Moneses uniflora, and Trollius laxus. Phenology: flowering.

U.S.A., Montana, Park County: Absaroka Mountains: Gallatin National Forest: along North Fork of Bear Creek; just N of Jardine.
Disturbed riparian/spruce forest with Aster hesperius, Calamagrostis canadensis, and Orthilia secunda. Phenology: flowering.

U.S.A., Montana, Sweet Grass County: Beartooth Mountains: Gallatin National Forest: Derby Gulch in West Bridger Creek drainage, ca 17 mi SSE of Big Timber.
Seepage gully and adjacent Douglas fir forest with Corallorrhiza wisteriana, Athyrium filix-feminia, and Platanthera dilatata. Phenology: fruiting.

U.S.A., Montana, Sweet Grass County: Beartooth Mountains: Gallatin National Forest: along the south side of the East Boulder River at East Boulder Campground, ca 20 mi S of Big Timber.
Wet white spruce forest with Equisetum arvense, Carex disperma, Geum rivale, and Senecio pseudaureus. Phenology: fruiting.

U.S.A., Montana, Sweet Grass County: Beartooth Mountains: Gallatin National Forest: along the south side of the East Boulder River at East Boulder Campground, ca 20 mi S of Big Timber.
Wet white spruce forest with Equisetum arvense, Carex disperma, Geum rivale, and Senecio pseudaureus. Phenology: flowering.

U.S.A., Montana, Park County: Beartooth Mountains: Gallatin National Forest: Vernon Lake, ca 5 mi E of Cooke City.
Wet-moist spruce-fir forest adjacent to lake with Equisetum arvense, Linnaea borealis, Calamagrostis canadensis, Platanthera dilatata, and Moneses uniflora. Phenology: flowering & fruiting.

U.S.A., Montana, Park County: Absaroka Mountains: Gallatin National Forest: along Republic Creek, ca 1/4-1/2 mi S of Cooke City.
Moist spruce-fir forest with Vaccinium scoparium, Arnica cordifolia, Antennaria racemosa, and Smilacina stellata. Phenology: flowering.

U.S.A., Montana, Madison County: Madison Range: Gallatin National Forest: Koch Basin on the east side of Koch Peak at head of Tumbledown Creek, ca 25 mi SE of Ennis.
Wet subalpine meadow with Allium schoenoprasum, Salix eastwoodiae, Swertia perennis, and Saxifraga subapetala. Phenology: flowering.

U.S.A., Montana, Park County: Absaroka Mountains foothills: Gallatin National Forest: Eagle Creek recreation site, ca 1 1/2 mi NE of Gardiner, just N of Jardine Road.
Wet area adjacent to creek with Iris missouriensis, Carex praegracilis, and Salix bebbiana. Phenology: buds.

U.S.A., Montana, Gallatin County: Gallatin Range foothills: Gallatin National Forest: Spire Rock Campground along south side of Squaw Creek, 23 mi SW of Bozeman.
Riparian community under Picea glauca with Viola canadensis var. corymbosa, Equisetum arvense, and Linnaea borealis. Phenology: flowering.

U.S.A., Montana, Park County: Absaroka Mountains: Gallatin National Forest: along Bear Creek Trail, 1/2 to 1 mi E of Knox Lake (Castle), ca 13 mi NE of Gardiner.
Seepage area with Mitella pentandra, Platanthera dilatata, and Veronica wormskjoldii. Phenology: flowering & fruiting.

U.S.A., Montana, Stillwater County: Beartooth Mountains: Custer National Forest: along trail ca 2 mi W of Slough Lake, 25 mi W of Red Lodge.
Seepage and along rivulets in spruce-fir forest with Ledum glandulosum, Carex scopulorum, Mitella pentandra, and Gaultheria humifusa. Phenology: flowering & fruiting.

U.S.A., Montana, Park County: Absaroka Mountains: Gallatin National Forest: along the east side of Bear Creek: ca 1/4 mi below confluence with Darroch Creek, 3 mi NE of Jaradine.
Wet spruce forest with Mimulus lewisii, Saxifraga ondontoloma, and Equisetum arvense. Phenology: flowering.

U.S.A., Montana, Park County: Absaroka-Beartooth Mountains: Gallatin National Forest: along the north side of Fourmile Creek, 37 mi SW of Big Timber.
Moist spruce-fir forest with Pyrola asarifolia, Carex disperma, and Mitella pentandra. Phenology: flowering & fruiting.
Accession: RM 820967, Barcode: rm0023298

U.S.A., Montana, Sweet Grass County: Absaroka-Beartooth Mountains: Gallatin National Forest: just W of Hells Canyon Campground along the east side of the Boulder Road, 35 mi SW of Big Timber.
Spruce swamp and open mire with Picea glauca, Calamagrostis canadensis, and Carex disperma. Phenology: fruiting.

U.S.A., Montana, Gallatin County: Gallatin Range: Gallatin National Forest: Along west side of Hyalite Creek just north of Langhor Campground, ca 10 m S of Bozeman.
T3S R6E S32
Wet-moist, open coniferous forest with Salix drummondiana, Calamagrostis canadensis & Platanthera dilatata. Phenology: flowering & fruiting.

U.S.A., Idaho, Teton County: Big Hole Mountains: Targhee National Forest: along trail in Pole Creek Canyon, 4 mi S of Victor.
Riparian community with Cornus sericea, Aconitum columbianum, and Heracleum sphondylium. Phenology: fruiting.

U.S.A., Colorado, Clear Creek County: Arapaho National Forest: Front Range: West Fork Clear Creek at Mizpah Campground, ca 12 air mi S of Fraser; ca 14 air mi WNW of Idaho Springs.
Along creek and in spruce forest. Phenology: flowering.
with Michael Foley

U.S.A., Colorado, Grand County: Arapaho National Forest: Williams Fork Mountains: intermittent stream between North Battle Creek and South Battle Creek, ca 16.5 air mi NW of Byers Peak, ca 12.5 air mi SE of Kremmling.
Along stream, on open rocky slopes, and adjacent lodgepole pine/spruce forest. Phenology: flowering.
with Michael Foley

U.S.A., Colorado, Grand County: Arapaho National Forest: Williams Fork Mountains: Ute Pass, ca 16.5 air mi S of Hot Sulphur Springs, ca 9 air mi WSW of Byers Peak.
Along small streams and adjacent spruce/lodgepole pine forest. Phenology: flowering.
with Michael Foley

U.S.A., Colorado, Grand County: Arapaho National Forest: Front Range: South Fork Ranch Creek to Continental Divide, ca 3.5 air mi E of Winter Park, ca 7.5 air mi NE of Berthoud Pass.
Along creek and in adjacent spruce forest. Phenology: flowering.

U.S.A., Colorado, Grand County: Arapaho National Forest: Front Range: Vasquez Creek, ca 3 air mi SSE of Fraser, ca 6.5 air mi NNW of Berthoud Pass.
Along creek, in spruce forest, and roadside. Phenology: flowering.

U.S.A., Colorado, Grand County: Arapaho National Forest: Williams Fork Mountains: along Williams Fork just S of Sugarloaf Campground, ca 6-6.5 air mi SW of Byers Peak, ca 20 air mi SSE of Hot Sulphur Springs.
Along the river and in spruce/lodgepole pine forest. Phenology: flowering.
with Shannon Terry

U.S.A., Colorado, Grand County: Arapaho National Forest: Front Range: Jones Pass, ca 13 air mi SW of Fraser, ca 9.5 air mi NW of Loveland Pass.
Along stream and in wet subalpine meadow. Phenology: flowering.

U.S.A., Colorado, Grand County: Arapaho National Forest: Williams Fork Mountains: intermittent stream between Henderson Tunnel and Williams Fork, ca 6 air mi SW of Byers Peak, ca 13.5 air mi SW of Winter Park.
Along stream and river in spruce/lodgepole pine forest. Phenology: flowering.

U.S.A., Colorado, Grand County: Arapaho National Forest: Williams Fork Mountains: South Fork Williams Fork, ca 7.5 air mi SW of Byers Peak, ca 20 air mi SSE of Hot Sulphur Springs.
Along intermittent stream. Phenology: flowering.

U.S.A., Colorado, Grand County: Arapaho National Forest: Front Range: secondary Forest Road 141 along Kinney Creek, ca 14.5 air mi SSE of Hot Sulphur Springs; ca 16.5 air mi SW of Granby.
Along intermittent stream. Phenology: flowering.

U.S.A., Colorado, Grand County: Arapaho National Forest: Front Range: Indian Peaks Wilderness: Columbine Lake, ca 22.5 air mi W of Boulder; ca 8.5 air mi NE of Fraser.
Spruce/fir/lodgepole pine forest. Phenology: flowering.

U.S.A., Colorado, Grand County: Arapaho National Forest: Williams Fork Mountains: Williams Fork, ca 13 air mi SE of Hot Sulphur Springs; ca 12.5 air mi WSW of Fraser.
Along the river and roadside. Phenology: flowering.

U.S.A., Colorado, Grand County: Arapaho National Forest: Front Range: Indian Peaks Wilderness: Cascade Creek Trail, ca 1 mi SW of the junction of Buchanan Pass and Cascade Creek trails.
Wet meadow. Phenology: flowering & fruiting.

U.S.A., Colorado, Grand County: Arapaho National Forest: Front Range: Jim Creek, ca 2-2.5 air mi SE of Winter Park, ca 5 air mi NE of Berthoud Pass.
Along creek. Phenology: flowering & fruiting.
with Alex Foley

U.S.A., Colorado, Grand County: Arapaho National Forest: Williams Fork Mountains: Skylark Creek, ca 1.5 mi W of Mule Creek, ca 13.5 air mi SSW of Hot Sulphur Springs.
Along creek. Phenology: flowering & fruiting.

U.S.A., Colorado, Grand County: Arapaho National Forest: Williams Fork Mountains: South Fork Road, ca 1 mi WSW of Old Baldy, ca 21.5 air mi SSE of Hot Sulphur Springs.
Along steep mountain stream and roadside. Phenology: flowering & fruiting.

U.S.A., Colorado, Grand County: Arapaho National Forest: Front Range: Never Summer Wilderness: Cascade Mountain, ca 10.5 air mi N of Granby.
Subalpine steep rocky southwest-facing slope. Phenology: flowering & fruiting.

U.S.A., Colorado, Grand County: Arapaho National Forest: Williams Fork Mountains: South Fork Williams Fork Trail, ca 24 air mi SSE of Hot Sulphur Springs; ca 9.5 air mi NW of Loveland Pass.
Along river and adjacent spruce/fir forest. Phenology: flowering & fruiting.

U.S.A., Colorado, Grand County: Arapaho National Forest: Rabbit Ears Range: North Fork Cabin Creek along Cabin Creek Road, ca 3 mi W of Colo Hwy 125, ca 9 air mi N of Hot Sulphur Springs.
Along creek and roadside. Phenology: flowering & fruiting.

U.S.A., Colorado, Grand County: Arapaho National Forest: Rabbit Ears Range: 0.5 mi S of Willow Creek Pass along Pass Creek, ca 28.5 air mi SE of Walden.
Along creek and in adjacent meadow and lodgepole pine forest. Phenology: flowering & fruiting.

U.S.A., Colorado, Grand County: Arapaho National Forest: Indian Peaks Wilderness: Front Range: Roaring Fork SW of Hiamovi Mountain, ca 9 air mi SE of Grand Lake and ca 13 air mi ENE of Granby.
Adjacent to small pond at foot of rocky slope. Phenology: flowering.

U.S.A., Colorado, Grand County: Arapaho National Forest: Rabbit Ears Range: Gravel Mountain and Stillwater Creek, ca 8 air mi W of Grand Lake and ca 13 air mi NNW of Granby.
Along creek and branches through coniferous forest and open meadow. Phenology: flowering.
with Shannon Terry

U.S.A., Colorado, Grand County: Arapaho National Forest: Vasquez Peak Wilderness: Vasquez Mountains: unnamed stream and junction with Vasquez Creek, ca 5 air mi SW of Winter Park and ca 7.5 air mi SSW of Fraser.
Along intermittent stream adjacent to non-motorized road. Phenology: flowering.

U.S.A., Colorado, Grand County: Gore Range: off BLM Road 2750 near Dice Hill and Sheephorn Mountain, ca 5.5 air mi E of Radium and ca 9.5 air mi NW of Heeney.
Along intermittent stream. Phenology: flowering & fruiting.

U.S.A., Colorado, Grand County: Arapaho National Forest: Indian Peaks Wilderness: Front Range: Gourd Lake to Island Lake, ca 11 air mi SE of Grand Lake and ca 10 air mi NW of Ward.
Adjacent to lake below subalpine. Phenology: flowering & fruiting.

U.S.A., Colorado, Grand County: Arapaho National Forest: Vasquez Mountains: Fraser Experimental Forest: ca 2 air mi ESE of Byers Peak and ca 8 air mi SW of Fraser.
Along stream and adjacent riparian area with Salix ssp. Phenology: flowering.

U.S.A., Colorado, Grand County: Middle Park: Ute Bill Creek, ca 3.5 air mi NW of Hot Sulphur Springs and ca 5 air mi NE of Parshall.
Along creek. Phenology: flowering.

U.S.A., Colorado, Grand County: Middle Park: Ute Bill Creek, ca 4 air mi NW of Hot Sulphur Springs and ca 6 air mi NE of Parshall.
Along creek. Phenology: flowering & fruiting.

U.S.A., Colorado, Grand County: Rabbit Ears Range: tributary of Willow Creek, ca 9.5 air mi NW of Granby and ca 9.5 air mi SE of Willow Creek Pass.
Along stream. Phenology: flowering.

U.S.A., Colorado, Grand County: Arapaho National Forest: Front Range: Robbers Roost Campground, ca 4 air mi SSE of Winter Park, and ca 2.5 air mi NE of Berthoud Pass.
Level area with standing water at base of mountain in spruce/fir forest. Phenology: flowering.

U.S.A., Colorado, Grand County: Gore Range: Dice Hill, ca 29 air mi NW of Silverthorne and 9 air mi SSW of Kremmling.
Area of standing water in meadow of spruce forest. Phenology: flowering.

U.S.A., Colorado, Clear Creek County: Arapaho National Forest: Front Range: Watrous Gulch and Mount Parnassus, ca 4.5 air mi NE of Loveland Pass and ca 6.5 air mi SW of Berthoud Pass.
Intermittent stream through lodgepole pine. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Gros Ventre Area: Slide Creek, ca 9 air mi E of Bondurant.
Shaley to sandy slopes and willow bottoms with stands of spruce. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: Gros Ventre Area: Miner Creek, ca 12 air mi ESE of Bondurant.
Shaley and sandy slopes, willow bottoms, and spruce forest. Phenology: flowering & fruiting.

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: Little Granite Creek Pack Trail: from trail head to Wilderness boundary.
Streamside and coniferous forest. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: Mount Leidy Highland Area: Grouse Mountain, NE ridge and slope to Grouse Creek.
Grassy to wooded slope. Phenology: flowering.
Annotated by B. E. Nelson.

U.S.A., Colorado, Pitkin County: Central Colorado: Sawatch Range, West Slope Continental Divide: Twin Meadows area, off Forest Road 4D at Norrie, near Sawyer Lake trailhead, ca 18 air mi NE of Aspen; ca 1.5 air mi S of Norrie.
Lakeside with Salix and Pinus contorta. Phenology: flowering.

U.S.A., Colorado, Lake County: Central Colorado: Sawatch Range, East Slope Continental Divide: Timberline Lake area, off County Road 9 at Colorado Trailhead at the west end of Turquoise Lake, ca 4 air mi S of Homestake Reservoir; ca 12 air mi NW of Leadville.
Spruce-fir forest. Phenology: flowering.

U.S.A., Colorado, Eagle County: Central Colorado: Sawatch Range, West Slope Continental Divide: Two Elks Trail, ca 6 air mi S of Vail.
Spruce-fir to open meadow to aspen woodland to lodgepole pine forest. Phenology: flowering.

U.S.A., Colorado, Chaffee County: Central Colorado: Sawatch Range, East Slope Continental Divide: Horn Fork Trail area, also trail up Mount Harvard, ca 10 air mi WNW of Buena Vista.
Lodgepole pine with spruce-fir. Phenology: flowering.

U.S.A., Colorado, Eagle County: Central Colorado: Gore Range, West Slope Continental Divide: Big Horn Creek area, on Forest Service Trail 2013, ca 4 air mi E of Vail.
Aspen to spruce-fir to montane meadow/scree. Phenology: flowering.

U.S.A., Colorado, Eagle County: Central Colorado: Gore Range, West Slope Continental Divide: Big Horn Creek area, above historic cabin in Big Horn drainage, along Forest Service Trail 2013, ca 8 air mi ENE of Vail.
Subalpine meadow. Phenology: flowering.

U.S.A., Colorado, Eagle County: Central Colorado: Sawatch Range, West Slope Continental Divide: Missouri Lakes Trail, ca 16 air mi S of Avon.
Mixed forest (spruce-fir and lodgepole pine). Phenology: flowering.

U.S.A., Colorado, Chaffee County: Central Colorado: Sawatch Range, East Slope Continental Divide: Huron Peak area, on Forest Service trail to Huron Peak, ca 27 air mi SSW of Leadville; ca 2 air mi SW of Winfield.
Picea with Pinus contorta and P. aristata with open areas. Phenology: flowering.

U.S.A., Colorado, Lake County: Central Colorado: Sawatch Range, East Slope Continental Divide: Mount Massive and North Halfmoon Lakes Trail junction, ca 13 air mi SE of Leadville.
Rocky cliffs with waterfall and willow/birch community. Phenology: flowering.

U.S.A., Colorado, Eagle County: Central Colorado: Sawatch Range, West Slope Continental Divide: along East Lake Creek, ca 8 air mi SSW of Avon.
Spruce-fir forest. Phenology: flowering.
with Brian Elliott

U.S.A., Colorado, Eagle County: Central Colorado: Sawatch Range, West Slope Continental Divide: along East Lake Creek Forest Service Trail 1880, small pond near east side of trail, ca 8 air mi S of Avon.
Spruce-fir and aspen forests around small pond. Phenology: flowering.
with Brian Elliott

U.S.A., Colorado, Eagle County: Central Colorado: Gore Range, West Slope Continental Divide: along East Meadow Creek (Trail 1886), E of short trail to Meadow Creek Road to "Y" in road, ca 7 air mi N of Vail.
Spruce-fir forest with some lodgepole. Phenology: flowering.

U.S.A., Colorado, Pitkin County: Central Colorado: Sawatch Range, West Slope Continental Divide: along Lonesome Lakes Trail, 0.5 mi S of trailhead, off East Fork Homestake Creek, ca 8 air mi W of Tennessee Pass.
Open willow carr with small lake. Phenology: flowering.

U.S.A., Colorado, Eagle County: Central Colorado: Sawatch Range, West Slope Continental Divide: off Half Moon Trail on west side of West Cross Creek, ca 7.5 air mi WSW of Redcliff.
Palustrine with willow bog. Phenology: flowering.

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.
Wet meadow. Phenology: flowering.
with Erin Peters

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.
Edge of subalpine lake. Phenology: flowering.

U.S.A., Colorado, Jackson County: Sierra Madre/Park Ranges: Park Range: ca 26 air mi SW of Walden, Round Lake, Percy Lake Trail.
T6N R83W S24; also T6N R82W S19 and S20
Marshy area.
with Mary Ann & Heather Kastning

U.S.A., Colorado, Jackson County: Sierra Madre/Park Ranges: Park Range: ca 19 air mi W of Walden in the vicinity of Lake Katherine.
T9N R82W S17; also S18 and S19
Open areas in a spruce-fir forest near the lake.
with Mary Ann & Heather Kastning

U.S.A., Colorado, Jackson County: Sierra Madre\Park Range: Park Range: ca 26 air mi SW of Walden, Round Lake-Percy Lake Trail.
Marshy area.

U.S.A., Colorado, Jackson County: Sierra Madre\Park Range: Park Range: ca 19 air mi W of Walden in the vicinity of Lake Katherine.
Open areas in a spruce-fir forest near the lake.

U.S.A., Wyoming, Carbon County: Sierra Madre/Park Range: Sierra Madre: small tributary of Coon Creek, ca 1.7 air mi NW of Blackhall Mountain summit, ca 12 air mi SSE of Encampment.
Bog in mixed conifer forest. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Sierra Madre/Park Range: Sierra Madre: along East Fork Encampment River, ca 3 air mi WNW of Blackhall Mountain summit, ca 11 air mi SSE of Encampment.
Phenology: flowering.

U.S.A., Wyoming, Carbon County: Sierra Madre/Park Range: Sierra Madre: along tributary of North Fork Big Creek at southeast base of Bear Mountain, ca 13 air mi SE of Encampment.
Wet meadow and among willows. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Sierra Madre/Park Range: Sierra Madre: near head of North Fork Encampment River, ca 0.8 mi SW of Red Mountain, ca 12 air mi WSW of Encampment.
Along small streams in spruce-fir forest. Phenology: flowering.
with Michelle Nelson

U.S.A., Wyoming, Carbon County: Sierra Madre/Park Range: Sierra Madre: ca 2.5 air mi ESE of Divide Peak.
Wet meadow by spring. Phenology: flowering.
with Heather and Joel Kastning

U.S.A., Wyoming, Carbon County: Sierra Madre/Park Range: Sierra Madre: ca 2.5 air mi ESE of Divide Peak
Stream side. Phenology: flowering.
with Lee Huston & Sunny Kastning

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: Rennecker Peak and southern slopes, ca 25 air mi SSW of Lander.
Bog-like area surrounding a spring. Phenology: flowering.
Accession: USFS 846815, Barcode: USFS0031299

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: Fiddlers Lake to Chirstina Lake, ca 14 air mi SW of Lander.
Boggy spring. Phenology: flowering.
with Michelle Noe
Accession: USFS 846814, Barcode: USFS0031298

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: 1 mi E of Trout Creek Lake; ca 17 air mi WNW of Dubois.
Mossy riparian area fed by spring. Phenology: flowering.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: ca 3 mi W of Sanford Park; ca 21 air mi W of Lander.
Wet depressions amongst boulders in avalanche chute. Phenology: flowering.
with Meghan Taylor

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: Louis Lake Guard Station to Deer Creek Park, ca 19 air mi SSW of Lander.
Forested riparian stream margins. Phenology: flowering.

U.S.A., Wyoming, Teton County: Mount Leidy Highland Area: Gunsight Pass area, along Sohare Creek.
Meadows and forest edge. Phenology: flowering.
Accession: 660176, Barcode: RM0156609

U.S.A., Wyoming, Teton County: Mount Leidy Highland Area: Grouse Mountain, northeast ridge and slope to Grouse Creek.
Grassy to wooded slope. Phenology: flowering.
Accession: 660177, Barcode: RM0156604

U.S.A., Colorado, Jackson County: Medicine Bow Mountains: Colorado State Forest: trail to Kelly Lake, ca 20 air mi E of Walden.
Subalpine meadow with Caltha and Trollius, edged by subalpine fir and Engelmann spruce forest with Erythronium. Phenology: flowering.

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Front Range: eastern slope of Little Bald Mountain, W of Forest Road 169, ca 37 air mi NW of Fort Collins.
Old clearcut with seasonal streams and Picea, Pinus, and Abies on eastern slope, and evidence of topsoil erosion. Phenology: flowering.

U.S.A., Colorado, Larimer County: Medicine Bow Mountains: Cameron Pass off Colo Hwy 14, ca 40 air mi W of Fort Collins.
Steep, east facing subalpine slopes with spruce-fir forest and creek. Phenology: flowering.

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Front Range: off Colo Hwy 14 on Forest Road 241 to Zimmerman Lake, ca 38 air mi W of Fort Collins.
Heavy canopy of spruce-fir with damp understory and Pedicularis; stream edge. Phenology: flowering.

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Front Range: east side of Laramie River Road (County Road 103), 1 mi N of Chambers Lake, ca 39 air mi W of Fort Collins.
Histic, saturated, fens with floating mats and no apparent water source, with Salix candida and Alnus. Phenology: flowering.

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Front Range: Peterson Lake off Long Draw Road (Forest Road 156), ca 31 air mi W of Fort Collins.
Wet meadows that drain into lake with Salix and Platanthera. Phenology: flowering.

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Front Range: Neota Wilderness: Neota Creek from the end of Long Draw Road (Forest Road 156), ca 38 air mi W of Fort Collins.
Wet, marshy creek valley with Salix and Pedicularis groenlandica. Phenology: flowering.

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Medicine Bow Mountains: Rawah Wilderness: from Rawah Trail off Laramie River Road (County Road 103), ca 43 air mi NW of Fort Collins.
Marshy subalpine fens and creekside with Salix. Phenology: flowering.

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Medicine Bow Mountains: Rawah Wilderness: Link Trail from Link/McIntyre Trailhead on Old Glendevey Road (County Road 80C), ca 46 air mi NW of Fort Collins.
Subalpine forest of spruce-fir with open east facing slopes and exposed granite rock piles. Phenology: flowering.

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Medicine Bow Mountains: Old Roach area off Forest Road 200 on Forest Road 206, ca 58 air mi NW of Fort Collins.
Creek edged with Salix. Phenology: flowering & fruiting.

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Medicine Bow Mountains: Blue Lake Trail from Colo Hwy 14, ca 38 air mi W of Fort Collins.
East facing slopes of transition forest from lodgepole pine to spruce-fir. Phenology: flowering.

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Front Range: Trap Park from Trap Park Trail off Long Draw Road (Forest Road 156), ca 37 air mi W of Fort Collins.
Mountain park and along creek with Salix meadows. Phenology: flowering & fruiting.

U.S.A., Colorado, Larimer County: Roosevelt National Forest:Medicine Bow Mountains: Rawah Wilderness: West Branch Laramie River, from West Branch Trailhead off Laramie River Road (County Road 103), ca 40 air mi W of Fort Collins.
Subalpine river headwaters. Phenology: flowering.

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Medicine Bow Mountains: Rawah Wilderness: West Branch Trail from Laramie River Road (County Road 103), ca 38 air mi W of Fort Collins.
Lodgepole pine and aspen groves. Phenology: flowering & fruiting.

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Front Range: Neota Wilderness: southeast side of Joe Wright Resevoir, ca 37 air mi W of Fort Collins.
Rocky, exposed, reservoir banks. Phenology: fruiting.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: near Keystone.
41.1754° N, 106.265° W; NAD 83, uncertainty 1 mi., Digital Map
Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Rock Creek Canyon 5 mi SSW of Arlington.
41.5362° N, 106.2551° W; NAD 83, uncertainty 1 mi., Digital Map
Swampy places. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: near the head of Rock Creek.
41.3994° N, 106.194° W; NAD 83, uncertainty 1 mi., Digital Map
Swampy places in lodgepole pine forest. *elevation should be 10,000 ft, not 9,000 ft* Phenology: flowering.
with B. F. Miller

U.S.A., Wyoming, Fremont County: Wind River Range: S of Lewis Lake, SW of Lander.
42.5892° N, 108.8526° W; NAD 83, uncertainty 0.5 mi., Digital Map
Occasional in moist meadow with sedges. Phenology: flowering & fruiting.
Annotated by L. Wallace in 2002.
with Marjorie W. Porter

U.S.A., Wyoming, Carbon County: Medicine Bow Range: 5 mi N of Sand Lake.
41.4873° N, 106.3353° W; NAD 83, uncertainty 0.5 mi., Digital Map
Stream bank. Phenology: flowering & fruiting.
with Marjorie W. Porter

U.S.A., Wyoming, Albany County: Centennial Valley.
Phenology: flowering & fruiting.
Annotated by Donovan S. Correll in 1946.

U.S.A., Wyoming, Carbon County: Battle Lake.
Phenology: flowering & fruiting.
Annotated by Donovan S. Correll in 1946.

U.S.A., Wyoming, Park County: Yellowstone National Park: Yellowstone River, near Junction Butte.
In a bog. Phenology: flowering.
Annotated by Donovan S. Correll in 1946.
with Elias Nelson

U.S.A., Wyoming, Albany County: Telephone Mines.
In the bogs near alpine lakes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Near University Campus.
Phenology: flowering.
with Ruth A. Nelson

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

U.S.A., Wyoming, Teton County: Teton Pass.
Damp soil. Phenology: flowering & fruiting.
with E. N. Wilcox

U.S.A., Wyoming, Park County: Yellowstone National Park: Middle Creek Meadows, ca 3.5 mi W of East Entrance.

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: at end of Kitty Creek Road, ca 2 mi S of U.S. Hwy 14, 16, and 20.
Along creek. Phenology: flowering.

U.S.A., Wyoming, Teton County: Targhee National Forest: North Fork Teton Canyon.
Scattering in black rock loam open park; 1% west exposure. Phenology: flowering & fruiting.
Annotated by B. E. Nelson in 1987.
Accession: USFS 402604

U.S.A., Wyoming, Carbon County: Mountains of Hog Park.
George E. Osterhout, 190. 8/6/1892.

U.S.A., Wyoming, Natrona County: Casper Mountain.
Common. Phenology: flowering.
Annotated by Ronald L. Hartman in 2003.

U.S.A., Wyoming, Albany County: Rock River.
Willow copses. Phenology: flowering & fruiting.
Annotated by B. E. Nelson in 1978.

U.S.A., Wyoming, YNP County: Little Firestone River.

U.S.A., Wyoming, Teton County: Jackson Hole: shore of Bradley Lake.
with Rua Pierson

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

U.S.A., Wyoming, Lincoln County: Star Valley-Greys River in the Afton Area: Smith Fork about 0.5 mi N of Crystal Lake.
Growing in boggy spring area. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Washakie (Bonneville) (Shoshone) National Forest: W of Sheridan Creek Ranger Station.
Boggy. Phenology: flowering.
Annotated by B. E. Nelson in 1987.
Richard T. Guthrie, 24. 6/29/1914.

U.S.A., Wyoming, Converse County: 11 mi SW of Esterbrook.
Wet aspen with Carex and Dodecatheon. Phenology: flowering.

U.S.A., Wyoming, Teton County: Gros Ventre Mountains: Torquoise Lake.
Frequent along shoreline in moist soil with Tofieldla glutinosa, Arnica. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: Gros Ventre Mountains: Gros Ventre River.
Frequent in moist dark soil with Carex, Juncus. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Sierra Madre: North Soldier Creek, ca 9 air mi SSW of Encampment.
In a bog. Few plants. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Wyo Hwy 130, ca 25.5 air mi ESE of Saratoga.
Uncommon in loam of wet-moist seep area of south facing, uneven hillslope with Pedicularis groenlandica. Phenology: flowering.
Thomas J. Mastrella, 120. 7/20/1980.

U.S.A., Wyoming, Teton County: Yellowstone National Park: Lower Basin.

U.S.A., Wyoming, Carbon County: Shirley Mountains: summit on north-central part of mountain; near bend in BLM Loop Road (Road 3115), ca 0.5 mi SE of headwaters of Lisenby Creek, ca 5 air mi S of County Rd 102.
Shady edge of small Carex rostrata marsh created by small spring, surrounded by mesic aspen grove. Phenology: flowering.

U.S.A., Colorado, Jackson County: North-central Colorado: Medicine Bow Mountains: N of Camp Creek ca 1.5 air mi W of Colo Hwy 127, ca 5 air mi NE of Three Way; ca 17 air mi N of Walden.
Edge of willow thickets and marshy areas. Phenology: flowering.

U.S.A., Colorado, Jackson County: North-central Colorado: Park Range: between forest boundary and abandoned mine ca 2 air mi W of Pitchpine Mountain, ca 16-16.5 air mi W of Walden.
Marshy area in aspen-fir forest. Phenology: flowering.

U.S.A., Colorado, Jackson County: North-central Colorado: Medicine Bow Mountains: along Cabin Creek and vicinity, E of the end of County Road 12E, E of the southeast base of Elk Mountain, ca 14 air mi E of Walden.
Along streams and springs in aspen forest. Phenology: flowering.

U.S.A., Colorado, Jackson County: North-central Colorado: Rabbit Ears Range: near the head of Grassy Run Creek W of Green Ridge, ca 3 air mi N of Sheep Mountain, ca 5 air mi SW of Rand; ca 22.5 air mi S of Walden.
Marshy area with spruce-fir. Phenology: flowering & fruiting.

U.S.A., Colorado, Jackson County: North-central Colorado: Medicine Bow Mountains: along a tributary of North Fork Michigan River, ca 1.5 air mi W of Montgomery Pass, ca 5 air mi ENE of Gould; ca 22.5 air mi SE of Walden.
Stream bank and adjacent marshy area in mixed conifer forest. Phenology: flowering.

U.S.A., Colorado, Jackson County: North-central Colorado: Never Summer Mountains: along old logging road-trail between the Illinois River and Illinois Pass, ca 10 air mi S of Gould; ca 29 air mi SE of Walden.
Moist open and marshy areas in mixed conifer forest. Phenology: flowering.

U.S.A., Colorado, Jackson County: North-central Colorado: Park Range: Lake Percy and along the creek below, ca 1/4 mi E of the Continental Divide, ca 4 air mi NW of Rabbit Ears Peak, ca 26-27 air mi SW of Walden.
Lakeshore, adjacent meadows, and wooded areas. Phenology: flowering & fruiting.

U.S.A., Colorado, Jackson County: North-central Colorado: Medicine Bow Mountains: ca 4 air mi SE of Gould.
Wet meadow in forest. Phenology: flowering.
Annotated by B. E. Nelson.

U.S.A., Colorado, Jackson County: North-central Colorado: Medicine Bow Mountains: Colorado State Forest: ca 4 air mi NE of Gould.
Logging road bordered by lodgepole pine, aspen, and alder. Phenology: flowering & fruiting.
Annotated by B. E. Nelson.
with Sarah Nunn

U.S.A., Colorado, Jackson County: North-central Colorado: Never Summer Mountains: Colorado State Forest: Lake Agnes cabin, ca 7 air mi ESE of Gould.
Meadow. Phenology: flowering.

U.S.A., Colorado, Jackson County: North-central Colorado: Park Range: Upper Slide Lake, ca 20.5 air mi W of Walden.
Wet areas. Phenology: flowering & fruiting.

U.S.A., Colorado, Jackson County: North-central Colorado: Park Range: Newcomb Park Trail, 4 trail mi W to the Continental Divide and vicinity of Round Mountain Lake, ca 23-24 air mi SW of Walden.
Coniferous forests, subalpine meadows, lake, and ponds. Phenology: fruiting.

U.S.A., Colorado, Moffat County: North-central Colorado: Elkhead Mountains: Sawmill Creek Campground, ca 3 air mi SE of Black Mountain, ca 20.5 air mi NE of Craig.
Along small stream in non-forested area. Phenology: flowering.

U.S.A., Colorado, Jackson County: North-central Colorado: Never Summer Mountains: Never Summer Wilderness: first mile of 4-wheel drive trail.
Coniferous forest. Phenology: flowering & fruiting.

U.S.A., Colorado, Jackson County: Medicine Bow Mountains: Colorado State Forest: Montgomery Pass Road, ca 22 air mi SE of Walden.
Stream in spruce-fir forest on steep west facing slope. Phenology: flowering.

U.S.A., Colorado, Jackson County: Medicine Bow Mountains: Colorado State Forest: from Ruby Jewel Trailhead, ca 20 air mi SE of Walden.
West facing slopes of spruce-fir forest. Phenology: flowering.

U.S.A., Wyoming, Teton County: Grand Teton National Park and Vicinity: Jackson Hole: mouth of Waterfalls Canyon, ca 12 air mi NW of Moran; ca 17.5 air mi N of Moose.
Riparian vegetation with Alnus sp., Salix spp., and Picea sp. Phenology: flowering.
Annotated by David Scott.
with Nancy Bockino

U.S.A., Wyoming, Teton County: Grand Teton National Park and Vicinity: Teton Range: east slope of Ranger Peak, ca 12.5 air mi WNW of Moran; ca 18 air mi N of Moose.
Mesic herbaceous meadow at base of avalanche path. Phenology: flowering.
Annotated by David Scott.
with David Scott

U.S.A., Wyoming, Teton County: Bridger-Teton National Forest: Teton Wilderness: near Arizona Lake, ca 10.5 air mi NW of Moran; ca 21.5 air mi NNE of Moose.
Seeping banks near montane stream. Phenology: flowering.
Annotated by David Scott.
with Tacheeni Scott

U.S.A., Wyoming, Teton County: Bridger-Teton National Forest: Teton Wilderness: near Whetstone Mountain, ca 10.5 air mi NNW of Moran; ca 22 air mi NNE of Moose.
Spring on subalpine slope. Phenology: flowering.
with Tacheeni Scott

U.S.A., Wyoming, Teton County: Bridger-Teton National Forest: Teton Wilderness: near Gravel Creek, ca 13 air mi NE of Moran; ca 29.5 air mi NE of Moose.
Pond margin in 1988 burn with Pinus contorta regeneration and occasional Picea engelmannii. Phenology: flowering.
with Tacheeni Scott

U.S.A., Wyoming, Teton County: Grand Teton National Park and Vicinity: Teton Range: on Dave Adams Hill, ca 20 air mi NW of Moran; ca 27 air mi N of Moose.
Moist understory of mixed conifer forest partially burned in 2006. Phenology: flowering.

U.S.A., Wyoming, Teton County: Bridger-Teton National Forest: Teton Wilderness: near head of Gravel Creek, ca 17 air mi NE of Moran; ca 33 air mi NE of Moose.
Sedge meadow bottomland with stream. Phenology: flowering.

U.S.A., Wyoming, Teton County: Bridger-Teton National Forest: Teton Wilderness: ca 1 air mi NE of Flagg Ranch; ca 21 air mi NNW of Moran.
Seasonal pond dominated by Salix spp. and surrounded by mixed conifer forest. Phenology: flowering.
with Mike Straw

U.S.A., Wyoming, Teton County: Southwestern Absarokas: Teton Wilderness.
Open wet meadow. No other locality data is provided. -RCR

U.S.A., Wyoming, Teton County: Southwestern Absarokas: Teton Wilderness: ca 11.5 mi N of Togwotee Pass.
In wet ground near stream.

U.S.A., Wyoming, Teton County: Southwestern Absarokas: Teton Wilderness: ca 7 air mi NW of Togwotee Pass along unnamed creek entering South Buffalo Fork River.
Lodgepole pine-Douglas fir forest.

U.S.A., Wyoming, Fremont County: Southwestern Absarokas: "Barbers Point," ca 2 air mi SW of Brooks Lake, ca 27 air mi NW of Dubois.
Wet meadow with steep southern exposure.

U.S.A., Wyoming, Teton County: Southwestern Absarokas: Teton Wilderness: ca 9 air mi NE of Moran Junction along Pacific Creek and Whetstone Creek trails.
Streamsides and dry meadows with mixed lodgepole forests.

U.S.A., Colorado, Grand County: Near Rabbit Ears Pass; U.S. Hwy 40.
Moist meadow. Phenology: fruiting.
Annotated by L. Wallace in 2002.
with Marjorie W. Porter

U.S.A., Colorado, Larimer County:
Hills. Phenology: flowering & fruiting.
Annotated by L. Wallace in 2002.

U.S.A., Colorado, Larimer County:
Hills. Phenology: flowering.

U.S.A., Colorado, Routt County: Routt National Forest: Farwell Mountain.
Medium abundance on north slope in wet, gravelly soil in a spruce burn. Phenology: flowering.
Accession: USFS 443981

U.S.A., Colorado, Boulder County: Eldora.
Banks of small stream. Phenology: flowering & fruiting.

U.S.A., Colorado, Boulder County: Near Ward.
with G. S. Dodds and W. W. Robbins

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

U.S.A., Colorado, Larimer County: Estes Park.
George E. Osterhout, 471. 6//1894.

U.S.A., Colorado, Gilpin County: Tolland.
Wet soil. Phenology: flowering.

U.S.A., Colorado, Gilpin County: Tolland.
Elev. 2715 m.
Moist woods. Phenology: flowering & fruiting.

Platanthera dilatata var. albiflora ()
U.S.A., Colorado, Lake County: Leadville: Carbonate Hill.
with N. T. Schedin

U.S.A., Colorado, Jackson County: North Park Range: summit.
Wet swales. Phenology: flowering & fruiting.

U.S.A., Colorado, Moffat County: Elkhead Mountains: ca 18 mi NE of Craig.
Seepage area with Trifolium and Senecio. Phenology: flowering & fruiting.

U.S.A., Colorado, Grand County: Gore Pass: W side.
Stream bank with Geranium richardsonii and Senecio triangularis. Phenology: flowering.

U.S.A., Colorado, Jackson County: Routt National Forest: Sierra Madre Mountains: S of Hog Park Trailhead; along West Fork Encampment River.
Along drainage, moist site bordered by Pinus contorta. Phenology: flowering.

U.S.A., Colorado, Summit County: Gore Range: Eagles Nest Wilderness Area: Central CO: Slate Creek Drainage.
Elev. 3000 m.
Along small drainage in understory of spruce-fir forest. Phenology: flowering.
with E. K. Arapkiles

U.S.A., Colorado, Larimer County: Estes Park.

U.S.A., Wyoming, Albany County: Laramie Range: Kloer Creek, ca 30 air mi SW of Douglas.
Creekside and adjacent granite outcrops. Phenology: flowering & fruiting.
with J. Brondum, T. McGowan, and Kelly Hughes

U.S.A., Wyoming, Converse County: Laramie Range: N of North Fork Little Medicine Bow River, ca 5 air mi W of Warbonnet Peak, ca 29-30 air mi S of Glenrock; ca 5-5.5 air mi NE of Little Medicine.
Willow-marsh surrounding a large spring. Phenology: flowering & fruiting.
Annotated by B. A. Packer.

U.S.A., Wyoming, Teton County: Targhee National Forest: West Slope Teton Range: Coyote Meadows, ca 11 air mi E of Lamont, Idaho.
Lodgepole pine forest with meadow and marshy area. Phenology: fruiting.
with Rafael Molina

U.S.A., Wyoming, Teton County: Targhee National Forest: West Slope Teton Range: North Fork of Teton Creek, 1-2 air mi of trail head, ca 11 air mi ENE of Driggs, Idaho.
Coniferous forests and openings on slopes and near stream. Phenology: flowering.
with Rafael Molina

U.S.A., Idaho, Fremont County: Targhee National Forest: Henrys Lake Mountains: road above and N of Tygee Creek, ca 7 air mi SW of West Yellowstone, Montana.
T15N R44E S10
Plants in a seepage area dominated by Salix and Carex.

U.S.A., Idaho, Bonneville County: Targhee National Forest: West Slope Snake River Range: road leading from Pine Creek Pass to Fourth of July Peak, ca 6 air mi SW of Victor.
T3N R44E S24; also S25 and S36
Open coniferous forest dominated by Pseudotsuga and Pinus contorta, and open slopes dominated by Artemisia, Symphoricarpos, and Purshia.

U.S.A., Wyoming, Teton County: Targhee National Forest: West Slope Teton Range: South Leigh Creek, from intersection with Beaver Creek to Andy Stone Creek, ca 11 air mi E of Tetonia, Idaho.
Open valley bottom with patches of coniferous forest dominated by Abies lasiocarba, Pinus contorta, and Picea engelmannii, some riparian. Phenology: flowering.

U.S.A., Idaho, Teton County: Targhee National Forest: East Slope Big Hole Mountains: edge of Packsaddle Lake, ca 9.5 air mi SW of Tetonia.
T5N R43E S11; also S12
Lakeshore and shrubby slopes.

U.S.A., Idaho, Teton County: Targhee National Forest: Big Hole Mountains: W of Relay Ridge, ca 15 air mi W of Driggs.
T4N R43E S2; also S3 and T5N R43E S34 and S35
Coniferous forest and adjacent open slope.

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.

U.S.A., Wyoming, Teton County: Targhee National Forest: East Slope Snake River Range: Divide Trail, S of Mosquito Creek Road.
Roadside and adjacent coniferous forest, dominated by Pinus contorta, Abies lasiocarpa, and Picea engelmannii, with some riparian. Phenology: flowering & fruiting.

U.S.A., Idaho, Fremont County: Targhee National Forest: Island Park Plateau: Big Springs, ca 8 air mi SE of Henrys Lake, ca 4 air mi E of North Fork Summer Home Area.
T14N R44E S33
Flood plain just below springs, dominated by Salix and Picea engelmannii.

U.S.A., Idaho, Clark County: Targhee National Forest: Centennial Mountains: along Trail Creek, ca 7.5 air mi N of Kilgore.
T14N R38E S24; also S25
Riparian with mostly Salix, Pseudotsuga menziesii, and Abies lasiocarpa.

U.S.A., Colorado, Rio Blanco County: Flat Tops/White River Plateau: East Beaver Creek S of Ellison Mountain, ca 4 air mi NNE of Buford; ca 17 air mi E of Meeker.
Moist meadows along the creek with scattered willow thickets.

U.S.A., Colorado, Rio Blanco County: Flat Tops/White River Plateau: along trail 1112 above Poose Creek, ca 1.5 air mi W of Pyramid Guard Station, ca 36 air mi ENE of Meeker.
Along small stream and marshy area.

U.S.A., Colorado, Rio Blanco County: Flat Tops/White River Plateau: Chapman Reservoir and vicinity on Little Oak Creek, ca 45 air mi ENE of Meeker; ca 10 air mi WNW of Yampa.
Brushy stream bottom with scattered fir.

U.S.A., Colorado, Rio Blanco County: Flat Tops/White River Plateau: along the northeast side of Little Flat Tops, ca 1 mi SE of Sand Point, ca 45 air mi ENE of Meeker; ca 9.5 air mi W of Yampa.
Hummocky seep on slope with scattered spruce.

U.S.A., Colorado, Rio Blanco County: Flat Tops/White River Plateau: Flat Tops Wilderness: Mirror Lake Trail, ca 30 air mi E of Meeker; ca 6 air mi NW of Trappers Lake.
Northeast-facing forested slopes, with Engelmann spruce, subalpine fir, lodgepole pine, and aspen.
James P. Vanderhorst, 1097. 7/15/1990.

U.S.A., Colorado, Garfield County: Flat Tops/White River Plateau: Flat Tops Wilderness: Sweetwater Creek, ca 22 air mi NNE of Glenwood Springs.
Riparian, with Picea, Alnus, Lonicera, and Salix.
James P. Vanderhorst, 530. 6/23/1990.

U.S.A., Colorado, Rio Blanco County: Flat Tops/White River Plateau: South Fork White River, ca 34 air mi ESE of Meeker.
Wet area along stream, with Abies and Picea.
James P. Vanderhorst, 656. 6/27/1990.

U.S.A., Colorado, Garfield County: Flat Tops/White River Plateau: Flat Tops Wilderness: Lost Lakes Basin, ca 37 air mi NNE of Glenwood Springs; ca 6 air mi NNE of Trappers Lake.
Rocky, glacial hills, sparse forest, lake shores, and meadows, with Abies lasiocarpa and Vaccinium scoparium.
with Lisa Crone

U.S.A., Colorado, Rio Blanco County: Flat Tops/White River Plateau: Cliff Lakes, ca 2 mi N of Meadow Lake.
Spruce and aspen woodlands, meadows, and streamside.

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Salt River Range: along Smiths Fork W of Commissary Ridge, ca 9.5 air mi ESE of Smoot, ca 14.5 air mi SE of Afton.
Around springs under Engelmann spruce-subalpine fir. Phenology: flowering.
with Russ Nelson and Orval C. Harrison

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Wyoming Range: between Fire Box Creek and Cow Camp Creek, N of Greys River, ca 11.5 air mi E of Alpine Junction.
Pinus contorta, Pseudotsuga menziesii, aspen, and Balsmorhiza covered south facing slopes. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Wyoming/Salt River Ranges: Wyoming Range: Fish Creek near Darby Mountain; ca 23 air mi W of Big Piney.
Coniferous forest and streamside. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Wyoming/Salt River Ranges: Wyoming Range: Upper Jamb Creek basin; 1-1.5 air mi ESE of Hoback Peak.
Stream drainage with grassy or barren slopes. Phenology: fruiting.

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Wyoming Range: Deadman Mountain trail, 1-2 miles from trailhead; 0.5-1 air mi N of Deadman Mountain summit.
Scattered forests with meadows. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Salt River Range: along La Barge Creek at the Elizabeth Paul grave site on the Emigrant Trail-Lander Cutoff, ca 23.5 air mi SE of Afton.
Grassy banks along small stream. Phenology: flowering.
with Russ Nelson

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Salt River Range: Fontenelle Lakes area.
Grassy meadows and along streams. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Southeastern Absarokas: above Parque and Horse Creek and T Cross Ranch, ca 4.5 air mi ESE of Ramshorn Peak; ca 12 air mi N of Dubois.
Moist draw in Douglas fir forest. Phenology: flowering.

U.S.A., Wyoming, Park County: Northern Absarokas: along Pilot Creek, ca 2 air mi S of Pilot Peak, ca 50 air mi NW of Cody.
Moist banks and seeps. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: Southwestern Absarokas: W end of Angle Mountain above Togwotee Overlook, ca 8 air mi NW of Togwotee Pass, ca 37 air mi NE of Jackson.
Mossy area around low willows in a moist area.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: 0.7 mi N of Wyo Hwy 130 on Brooklyn Lake Road.
Common in wet clay of spring area with Ranunculus, Viola, Caltha and Pedicularis. Phenology: flowering.
with Linda Nelson

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: SE of Brooklyn Lake, E of Forest Service meteorological tower.
Wet meadow surrounding spring on southeast-facing slope of hill.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: S of East Glacier Lake, along the East Glacier outlet, near plot #84.
Riparian meadow. Near Plot 84. Phenology: flowering & fruiting.
with Claudia Regan

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: SE of West Glacier Lake, east side of outlet creek.
Wet forb meadow. Near Plot 79. Phenology: flowering & fruiting.
with Claudia Regan

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: SE of Brooklyn Lake, below ARNEWS plot.
with Deana Hopkins and Maria Hille

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: East Glacier Lake outlet stream, just above intersection with road around Brooklyn Lake.
Moist area beside creek.
with Maria Hille

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: ca 0.5 air mi SE of Brooklyn Lake, near plot 211.
Moist forb meadow.
with Claudia Regan, Deana Hopkins, Phil Robertson

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: ca 0.5 air mi ESE of Brooklyn Lake, near plot 208.
Wet forb meadow. Phenology: flowering & fruiting.
with Claudia Regan, Deana Hopkins, Phil Robertson

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: ca 0.5 air mi ESE of Brooklyn Lake, between plots 213 and 212.
Wet forb meadow at edge of marsh.
with Tom Fletchall

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: SE of Brooklyn Lake, edge of pond below plot 212 and NE of plot 283.
Wet forb meadow at edge of pond. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: ENE of Brooklyn Lake, NE of plot 245, NNE of plot 167.
Wet meadow surrounding spring runoff rivulets of creek.
with Kim Zawadzki

U.S.A., Wyoming, Fremont County: Absaroka Mountains: ca 17 air mi NW of Dubois, along East Fork Du Noir Creek, ca 9 road mi N of U.S. Hwy 26/287.
Douglas fir/spruce forests and adjacent creek banks on Madison limestone. Phenology: flowering.
Robert S. Kirkpatrick, 831. 7/8/1983.
with Ruth E. B. Kirkpatrick

U.S.A., Wyoming, Park County: Northern Absarokas: Hoodoo Basin Trail, 5-6 air mi NW of Stinkingwater Peak.
Open slopes above treeline and lower wooded areas and openings. Phenology: flowering.
with B. E. Nelson

U.S.A., Wyoming, Teton County: Southwestern Absarokas: Teton Wilderness: Lava Creek trail, ca 10.5 air mi NE of Moran Junction.
43.911° N, 110.3286° W; NAD 83, uncertainty 1 mi., Nat. Geog. TOPO!
Broad meadow along stream with sagebrush in well drained soils and willow thickets in low areas.
with Neil Snow

U.S.A., Wyoming, Fremont County: Southwestern Absarokas: Forest Service road #513, 10-11 air mi ESE of Togwotee Pass.
Roadsides through lodgepole and spruce-fir forests and adjacent meadows and stream margins.
with Neil Snow

U.S.A., Wyoming, Park County: Southwestern Absarokas: Ishawooa Creek, 2-4 mi W from trail head.
Douglas fir forests and stream bottoms with cottonwood.
with Neil Snow

U.S.A., Wyoming, Park County: Southwestern Absarokas: ca 50 air mi SW of Cody, Younts Creek drainage.
Forested hillside and drainage.
with Mike Hartman

U.S.A., Wyoming, Natrona County: 11 mi SW of Esterbrook.
Wet aspen with Carex and Dodecatheon. Phenology: flowering.

U.S.A., Montana, Stillwater County: Beartooth Mountains: Custer National Forest: along Mystic Lake Trail and West Rosebud Creek from Mystic Lake Hydroelectric Plant to 1/4 mi SW, ca 24 air mi WNW of Red Lodge.
Wet area along the trail. Phenology: flowering.

U.S.A., Montana, Gallatin County: Gallatin Range: Gallatin National Forest: along Portal Creek from the bridge to Forest Road 984 S, ca 6 air mi ENE of interesection of U.S. Hwy 191 and Mont Hwy 64 (Big Sky), ca 27 air mi S of Bozeman.
Steep spring slope. Phenology: flowering & fruiting.

U.S.A., Montana, Sweet Grass County: Beartooth Mountains: Gallatin National Forest: East Boulder Plateau: at the head of North Fork Forge Creek ca 1 air mi SE of Chrome Mountain, ca 29 air mi SSW of Big Timber.
Wet meadow and among spring channels. Phenology: flowering.

U.S.A., Montana, Park County: Gallatin Mountains: Gallatin National Forest: along Forest Road 993, ca 37 air mi SW of Livingston.
Open meadows dominated by mixed forbs, into steep slopes and conglomerate rock outcrops. Phenology: flowering.
with Brian Elliott

U.S.A., Montana, Park County: Absaroka Range: Gallatin National Forest: along Forest Road 2532, ca 5.5 air mi SE of Livingston.
Stream bank. Phenology: flowering.
with Ken Elliott

U.S.A., Montana, Park County: Beartooth Mountains: Gallatin National Forest: E of U.S. Hwy 212 and Clarks Fork Yellowstone and Broadwater rivers at Reed Lake, ca 31 air mi WSW of Red Lodge.
Floating bog and surrounding saturated sedge mat. Phenology: flowering & fruiting.
with Brian Elliott and Bonnie Hiedel

U.S.A., Montana, Park County: Absaroka Range: Gallatin National Forest: just SE of Mount Wallace above the head of Grizzly Creek, ca 33.5 air mi SSE of Livingston.
Alpine cirque dominated by Carex with streams running through it. Phenology: flowering & fruiting.

U.S.A., Montana, Gallatin County: Gallatin Range: Gallatin National Forest: just off Forest Road 62 by Window Rock Cabin, ca 15.5 air mi SSE of Bozeman.
Open meadow dominated by forbs and stream bank with beaver ponds. Phenology: flowering.
with Ken Elliott

U.S.A., Montana, Park County: Beartooth Mountains: Gallatin National Forest: 0.5 mi E of Kersey Lake.
Edge of marsh. Phenology: flowering.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: along Forest Road 520 near the head of Shellrock Creek, ca 6 air mi SW of Woods Landing; ca 32 air mi SW of Laramie.
Aspen-Engelmann spruce-lodgepole pine swamp forest. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: near Forest Road 500, just W of Albany, ca 8 air mi S of Centennial.
Forest surrounding creek. Phenology: flowering.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: Gold Run Creek, near intersection of Forest roads 338 and 307, 1.5 mi W of Centennial Work Center, ca 3 air mi W of Centennial; .
In and around creek. Phenology: flowering.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: Boswell Creek, N of Forest Road 526, ca 4 mi E of Wyo Hwy 230; ca 4 air mi E of Wycolo; ca 21 air mi S of Centennial.
In and around creek. Phenology: flowering.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: Douglas and Lake Creek area, just E of Lake Creek Resort, near intersection of Forest roads 512 and 509, ca 13 air mi SW of Centennial.
Wet meadows along creek. Phenology: flowering.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: Clark Park, SE of intersection of Forest Road 101 (Sand Lake Road) and Forest Road 323, ca 7 air mi NNW of Centennial.
Creek in forest. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: North French Creek at intersection of Forest Road 227 (North French Creek Road) and Forest Road 225 (South French Creek Road), ca 20 air mi SE of Saratoga.
Moist open conifer forest near creek. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: Little Beaver Creak, N of intersection of Forest Roads 542 ( Keystone Road) and Forest Road 548, 1 air mi NE of Keystone Work Center, ca 34 air mi WSW of Laramie.
Willow carr. Phenology: flowering.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: Hat Park, at intersection of Forest Road 338 (Ehlin Road) and Forest Road 555, ca 8 air mi SW of Centennial.
Meadow. Phenology: flowering.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: Little Beaver Creek, along Forest Road 542 (Keystone Road), 0.5 air mi NE of Keystone, ca 11 air mi SSW of Centennial.
Wet, open forest along creek. Phenology: flowering.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: Mowberg Creek, along Forest Road 504B, ca 36 air mi SW of Laramie.
Park. Phenology: flowering.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: along Forest Road 539, ca 1 air mi E of Chimney Park, ca 31 air mi SW of Laramie.
Woods around park. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: Forest Road 260, ca 2 air mi S of Wyo Hwy 130, ca 24 air mi SE of Saratoga.
Park. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: Mullen Creek, ca 1 air mi E of intersection of Forest Road 500 (French Creek Road) and Forest Road 225 (South French Creek Road), ca 26 air mi SE of Saratoga.
Wet, open conifer-aspen forest uphill from creek. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: North Fork area, just NW of North Fork Campground, running NW along Forest Road 101 (Sand Lake Road), ca 1 air mi SE of Clark Park, ca 6 air mi NW of Centennial.
Edge of creek and forest, near fen. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: Savage Run Wilderness, north-east end: ca 1 air mi S of Forest Road 500 (French Creek Road), ca 12 air mi SW of Centennial.
Near spring. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: Sheep Mountain, trail from near the head of Fence Creek to middle section near overlook.
with Jack S. Hartman

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: Sixmile Creek and Lost Park area, ca 3 air mi SW of Pelton Creek Campground, ca 40 air mi SW of Laramie; ca 36 sir mi SE of Saratoga.
Wet meadow along creek. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: Platte River Wilderness: surrounding confluence of Devils Gate Creek and Douglas Creek, ca 4 air mi SE of Trail 506 Trailhead and Pike Pole Campground, ca 17 air mi SSW of Centennial.
Along creek. Phenology: flowering.
with Patricia E. Lukas

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: Savage Run Wilderness: along Savage Run Creek and Trail 501, ca 1/3 mi from intersection with Trail 502, ca 14 air mi SW of Centennial.
Wet meadow on edge of conifer forest. Phenology: flowering.
with Patricia E. Lukas

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: Savage Run Wilderness: along Savage Run Creek and Trail 501, ca 1.5 air mi NE of intersection with Trail 502, ca 13 air mi SW of Centennial.
Along creek in mixed conifer forest. Phenology: flowering.
with Patricia E. Lukas

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: along Fourmile Creek near the end of improved Forest Road 329 (Fallen Pines Road), ca 1.5 air mi S of Morgan, ca 12 air mi N of Centennial; ca 10 SE of Arlington.
Along creek in mixed conifer forest. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: ca 0.5 air mi SW of Sevenmile Lake, along Sevenmile Creek, ca 10 air mi N on Centennial; ca 21 air mi S of Arlington.
Park. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: area surrounding Lincoln Park Campground, ca 4 air mi N of Ryan Park; ca 16 air mi SE of Saratoga.
Along creek at edge of park and forest. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: just E of intersection of Forest Road 101 (North Brush Creek Road) and Forest Road 101.3L, ca 10 air mi SW of Arlington; ca 15 air mi NW of Centennial.
Creek in spruce-fir forest. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: Mill Creek along Forest Road 241, ca 1/4 air mi SW of intersection with Forest Road 241.1E, ca 16 air mi W of Centennial; ca 3 air mi NE of Ryan Park.
Mixed conifer forest along creek. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: Mill Creek along Forest Road 241, near intersection with Forest Road 200.3G, ca 17 air mi W of Centennial; ca 2 air mi N of Ryan Park.
Wet park to forest with willows and conifers. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: vicinity of Pass Creek, S of intersection of Forest Road 261 (Cedar Pass Road) and Forest Road 134, ca 18 air mi E of Saratoga; ca 15 air mi SW of Arlington.
Area with many ponds, willows, and sedges. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: along Forest Road 103, ca 10 air mi NW of Centennial; ca 12 air mi NE of Ryan Park.
Wet alpine meadow. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: along Turpin Creek, near Forest Road 100 (North Brush Creek Road) between intersection with Forest roads 132.1C and 126, ca 17 air mi NW of Centennial; ca 14 air mi SW of Arlington.
Potholes among conifer forest. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: Cecil Park W of intersection of Forest Road 100 (North Brush Creek Road) and Forest Road 103, ca 15 air mi NW of Centennial; ca 9 air mi NE of Ryan Park.
Park. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: wetlands S of Forest Road 101 (Sand Lake Road), ca 1 air mi S of intersection with Forest Road 104, ca 40 air mi WNW of Laramie; ca 10 air mi SW of Arlington.
Wet edge of conifer forest and meadow. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: Snowy Range: "Peak 10972" just N of Wyo Hwy 130 and just SE of Sucker Lake, ca 10 air mi WNW of Centennial; ca 8 air mi ENE of Ryan Park.
Wet subalpine meadow. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: Carlson Creek N and S of Forest Road 114, ca 15 air mi NW of Centennial; ca 7 air mi SW of Arlington.
Picea-Abies forest along creek edge. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: North Fork Rock Creek, ca 1 air mi W of intersection of Forest Road 101 (Sand Lake Road) and Forest Road 101E, ca 12 air mi NNW of Centennial; ca 9 air mi S of Arlington.
41.459° N, 106.2326° W; WGS 84, uncertainty 0.75 mi., GPS reading
Fen. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Shirley Mountains: Cave Creek off Shirley Loop or BLM 3115 Road, ca 21 air mi SW of Shirley Basin townsite.
Marshy area near creek in open lodgepole pine-subalpine fir forest. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Shirley Mountains: Bear Park S of Shirley Loop or BLM 3115 Road, ca 21 air mi SW of Shirley Basin townsite.
Lodgepole pine-subalpine fir; open and wooded areas. Phenology: flowering.

U.S.A., Montana, Flathead County: Flathead National Forest: Front Range: Forest Road 569-G, along tributary to Puzzle Creek, ca 9 air mi SE of Summit on U.S. Hwy 2.
Elev. 1812 m.
48.2258° N, 113.2692° W; NAD 83, uncertainty 0.25 mi., GPS reading
Exposed rocky outcrop in Picea engelmannii/Abies lasiocarpa forest; south aspect, 5-45% slope; sedimentary rock. Phenology: flowering.
1. Platanthera dilatata (Pursh) Lindl. ex L. C. Beck var. albiflora (Cham.) Ledeb..

U.S.A., Montana, Meagher County: Lewis and Clark National Forest: Castle Mountains: along Forest Road 211, between East Fork and West Fork Checkerboard Creek, ca 5 air mi N of Castle Town.
46.5129° N, 110.6687° W; NAD 83, uncertainty 0.25 mi., GPS reading
Riparian zone and ridge in old clear cut; southeast aspect, 10-30% slope; limestone bedrock. Phenology: flowering.
1. Platanthera dilatata (Pursh) Lindl. ex L. C. Beck var. albiflora (Cham.) Ledeb..

U.S.A., Montana, Judith Basin County: Lewis and Clark National Forest: Little Belt Mountains: E of Dry Wolf Road - Forest Road 251, just N of junction with Forest Road 6574 along Dry Wolf Creek.
46.9635° N, 110.504° W; NAD 83, uncertainty 0.25 mi., GPS reading
Riparian zone and terrace E of creek; in forest with Pseudotsuga menziesii/Picea engelmannii/Pinus contorta; limestone bedrock. Phenology: flowering.
1. Platanthera dilatata (Pursh) Lindl. ex L. C. Beck var. albiflora (Cham.) Ledeb..

U.S.A., Montana, Teton County: Lewis and Clark National Forest: Front Range: Cave Mountain Campground, on Forest Road 144, junction of West Fork and Middle Fork Teton River, ca 7 air mi SE of West Fork Teton River Campground, ca 7 air mi NE of Rocky Mountain.
Riparian with numerous beaver dams. Phenology: flowering.

U.S.A., Montana, Park County: Gallatin Range: Gallatin National Forest: along Forest Road 2500 and Big Creek at intersection with Hylite Creek, ca 29 air mi SW of Livingston.
Shaded riparian area and boggy area along creek. Phenology: flowering.

U.S.A., Montana, Gallatin County: Gallatin Range: Gallatin National Forest: along Buffalo Horn Creek, ca 40 air mi S of Bozeman; from Buffalo Horn Trailhead to Tom Miner Trailhead.
Wet sedge dominated valley floor. Phenology: flowering.

U.S.A., Montana, Gallatin County: Gallatin Range: Gallatin National Forest: ca 37 air mi S of Bozeman, NW of Buffalo Horn Pass; from Buffalo Horn Trailhead to Tom Miner Trailhead.
Bog area in shaded Picea forest. Phenology: flowering.

U.S.A., Montana, Park County: Absaroka Range: Gallatin National Forest: along West Boulder River from Second Creek to Falls Creek, ca 31.5-33 air mi SW of Big Timber.
Recently burned Pinus contorta with forb understory in alluvial bottom. Phenology: flowering & fruiting.

U.S.A., Montana, Park County: Absaroka Range: Gallatin National Forest: between West Boulder Plateau and Falls Creek, ca 33 air mi SSW of Big Timber.
Picea and Pinus flexilis with Vaccinium understory and scattered open talus slopes. Phenology: flowering.

U.S.A., Montana, Sweet Grass County: Beartooth Mountains: Gallatin National Forest: along Forest Road 2140 W of East Boulder River, ca 29 air mi SSW of Big Timber.
Moist to wet meadow with abundant white Platanthera. Phenology: flowering & fruiting.

U.S.A., Montana, Park County: Absaroka Range: Gallatin National Forest: Absaroka/ Beartooth Wilderness: Horseshoe Mountain, off the Rock Creek trail, ca 11 air mi NW of Cooke City.
Alpine meadow. Phenology: flowering & fruiting.

U.S.A., Montana, Sweet Grass County: Absaroka Range: Gallatin National Forest: Absaroka/ Beartooth Wilderness: along the East Fork Boulder River, ca 15-17 air mi NW of Cooke City.
Riparian meadow. Phenology: fruiting.

U.S.A., Montana: Jefferson National Forest: near Kings Hill divide.
Slope level; black loamy soil. Phenology: flowering.
Accession: USFS 444041

U.S.A., Montana, Powell County: Deerlodge National Forest: head of Robinson Creek.
Slope 5% east; muck and sand soil; wet mountain meadow with Carex spp. Common; flowers white. Phenology: flowering.

U.S.A., Montana, Ravalli County: Bitterroot National Forest: Burnt Fork Reservoir.
Slope 5% north; associated with Carex, pine grass, death camas, Spirea, heath, paintbrush; loamy sand soil in alpine meadow. Flowers white. Phenology: flowering.

U.S.A., Montana: Jefferson National Forest: Willow Creek.
Slope flat; moist loam soil; in grass. Scattered distribution. Phenology: flowering.

U.S.A., Montana, Lewis and Clark County: Bob Marshall Wilderness: near Sock Lake, below the continental divide.
In moist meadow north above the lake. Common. Phenology: flowering.
Klaus H. Lackschewitz, 9067. 7/25/1979.

U.S.A., Montana, Beaverhead County: Pioneer Mountains: 1.5 mi E of Lake Waukena.
Wet meadow. Corollas white; lip slightly larger than spur. Phenology: flowering.
with C. V. Muhlick

U.S.A., Montana, Meagher County: Little Belt Mountains: 1 mi SW of Williams Mountain.
Wet meadow. Spur scarcely half as long as lip. Phenology: flowering.
with C. V. Muhlick

U.S.A., Montana, Gallatin County: Gallatin National Forest.
T1N R6E S1 NE1/4
Gentle slope; moist gravel loam soil; vegetation type is ES weeds 3/10 light water-loving plants; along shaded stream. Scarce. Phenology: flowering.

U.S.A., Montana, Park County: Absaroka National Forest.
T4N R10E S10
West slope; marsh with black loam soil; associated with horsetail, musk and Vagnera. Phenology: flowering.

U.S.A., Montana, Park County: Absaroka National Forest: Davis Creek.
T3S R11E S12
Slope 10% east; moist loam soil; woodland near water, moss stream plants. Scarce. Phenology: flowering.

U.S.A., Montana, Glacier County: Glacier National Park: south shore of Two Medicine Lake.

U.S.A., Montana, Sweet Grass County: Crazy Mountains: Big Timber Creek, Half Moon Camp.
In moist soil under spruce. Perianths white, lip broadly lanceolate, slightly exceeding spur. Phenology: flowering.
with C. V. Muhlick

U.S.A., Montana, Beaverhead County: Pioneer Mountains: Beaverhead National Forest: along Forest Road 192, 18 air mi NW of Dillon and along French Creek ca 2.5 air mi WNW of Humboldt Mountain.
Moist depressions and surrounding drier areas near switchback turn in road; forest of Pinus contorta. Phenology: flowering.
with Glenn Bilodeau and Daniel Lebedyk

U.S.A., Montana, Deer Lodge County: Storm Lake Road; near center of section.
Near center of TRS section; boggy area on sparsely wooded, east-facing slope. Flowers white. Phenology: flowering.

U.S.A., Montana, Beaverhead County: Pioneer Range: 0.5 mil NW of Torrey Lake.
Meadow. Phenology: flowering.

U.S.A., Montana, Mineral County: Lolo Hot Springs: Lee Creek Camp.
with C. V. Muhlick.

U.S.A., Montana, Gallatin County: Middle Creek Canyon.
Marshy ground. Phenology: flowering.

U.S.A., Montana: Bridger Range: Cottonwood Canyon.

U.S.A., Montana, Gallatin County: West Fork Middle Creek Canyon.
Bank of stream. Phenology: flowering.

U.S.A., Montana, Beaverhead County: West shore Miner Lake, ca 12.5 mi WSW of Jackson.
Sandy substrate dominated by sedges; along moist shore and in neighboring pine woodlands. Scattered and locally common. Phenology: flowering.
with Carol Kuhn

U.S.A., Montana, Sweet Grass County: Absaroka Mountains: Independence: head of Boulder River.
Along small stream in meadow. Corollas white, lip lanceolate, twice length of spur. Phenology: flowering.

U.S.A., Montana, Gallatin County: Hyalite Canyon.
Shaded swamp. Phenology: flowering.

U.S.A., Montana, Jefferson County: Deerlodge National Forest.
West slope; wet loam soil; lodgepole pine; wet shady site. Phenology: flowering.
Orville Sparrow, 38. 7/11/1934.

U.S.A., Montana, Gallatin County: Spanish Basin.
with Ernst A. Bessey

U.S.A., Montana, Glacier County: Midvale.
Bogs. Phenology: flowering.

U.S.A., Montana, Cascade County: Lewis and Clark National Forest: Little Belt Mountains: Forest Road 67 along Lick Creek, ca 2.5 air mi S of junction with County Road 340.
Small tributary flowing west into main creek; 10-35% slope; dry hill slope, Pseudotsuga menziesii; granite/shale. Phenology: flowering.

U.S.A., Montana, Judith Basin County: Lewis and Clark National Forest: Little Belt Mountains: tributary of Big Hill Creek, Forest Road 3304, ca 1.3 air mi SW of Holiday Camp Trailhead.
Small, wet meadow; stream flowing east; 0-10% slope; Pinus contorta. Phenology: flowering.

U.S.A., Montana, Lewis and Clark County: Lewis and Clark National Forest: Front Range: ridge W of Green Fork Straight Creek, ca 1 mi S of Cigarette Rock.
Wet meadow in drainage flowing southeast off of cliff; 5-20% slope. Phenology: flowering.

U.S.A., Montana, Cascade County: Lewis and Clark National Forest: Little Belt Mountains: Forest Road 3328, ca 1.3 air mi ESE of Long Mountain above Chamberlain Creek.
Talus slope and small stream; southeast aspect; 5-35% slope; granite/quartzite; Pinus contorta, Abies lasiocarpa, and Pseudotsuga menziesii. Phenology: flowering.

U.S.A., Montana, Cascade County: Lewis and Clark National Forest: Little Belt Mountains: Forest Road 3328, ca 1.3 air mi ESE of Long Mountain above Chamberlain Creek.
Stream running southeast; 5-20% slope; granite rocky soil; Pinus contorta and Abies lasiocarpa. Phenology: flowering.

U.S.A., Montana, Cascade County: Lewis and Clark National Forest: Little Belt Mountains: along Chamberlain Creek on Forest Road 3328, ca 1/4 mi from above road crossing creek, ca 1.6 air mi WSW of Big Baldy Mountain.
Open meadow along creek; east aspect; 0-15% slope; scattered Pinus contorta. Phenology: flowering.

U.S.A., Montana, Cascade County: Lewis and Clark National Forest: Little Belt Mountains: Forest Road 6414, ca 0.5 mi SW of junction with Forest Road 839, ca 1.7 air mi NW of Porphyry Peak.
Spring in wooded meadow, Abies lasiocarpa and Pinus contorta; northeast aspect; 0-15% slope. Phenology: flowering.

U.S.A., Wyoming, Park County: Beartooth Mountains: Shoshone National Forest: between Clarks Fork Trailhead and Table Mountain, ca 17 air mi SE of Cooke City, Montana.
Old beaver pond and wet spruce bog. Phenology: flowering.

U.S.A., Montana, Park County: Crazy Mountains: Gallatin National Forest: just N of the Shields River Road (Forest Road 844), ca 20 mi NE of Wilsall.
Under Picea glauca and P. engelmannii with Vaccinium scoparium, Carex disperma, and Mitella pentandra. Phenology: flowering.

U.S.A., Montana, Madison County: Tobacco Root Mountains: Beaverhead National Forest: Branham Lakes Campground, ca 12 mi NNE of Sheridan.
Along shore of upper lake in wet soil with Carex scopulorum, Pedicularis bracteosa var. paysoniana, and Mimulus lewisii. Phenology: flowering.

U.S.A., Colorado, Pitkin County: Red Table Mountain: White River National Forest: Freeman Picnic Area and slopes on north shore of Ruedi Reservoir, ca 14 air mi E of Basalt.
Dry to mesic slopes and riparian wetlands above reservoir. Phenology: flowering.
Michael K. Kirkpatrick, 1584. 6/20/2010.

U.S.A., Colorado, Summit County: Gore Range: Arapaho National Forest: North Rock Creek near boundary of Eagles Nest Wilderness, ca 7 air mi NW of Silverthorne and ca 9 air mi SSE of Green Mountain Reservoir.
Fen and wetland areas along forested riparian corridor. Phenology: flowering.
Michael K. Kirkpatrick, 2492. 7/8/2010.

U.S.A., Colorado, Eagle County: Gore Range: White River National Forest: wetland on slope above Deluge Lake Trail, ca 8 air mi NNW of Vail Pass.
High quality wetland with Eleocharis understory. Phenology: flowering.
Michael K. Kirkpatrick, 3797. 8/2/2010.

U.S.A., Colorado, Eagle County: Sawatch Range: White River National Forest: Holy Cross Wilderness: Notch Mountain Creek, ca 6 air mi S of Minturn.
Subalpine riparian meadow. Phenology: flowering.

U.S.A., Colorado, Eagle County: White River National Forest and Vicinity: Sawatch Range: Sopris and Missouri Creeks along the Missouri Lakes Trail, ca 15 air mi S of Dowds Junction.
Forested riparian corridor, wet meadow, seeps and springs. Phenology: flowering.

U.S.A., Colorado, Eagle County: Gore Range: White River National Forest: above Freeman Creek near the Moniger-Muddy Pass Road (Forest Road 701), ca 5 air mi NW of I-70 exit 176 at Vail.
Forested riparian corridor, seeps, and springs. Phenology: flowering.

U.S.A., Colorado, Eagle County: Sawatch Range: White River National Forest: Wurts Ditch Road (Forest Road 705) near the headwaters of Mitchell Creek, ca 2.5 air mi W of Tennessee Pass.
Subalpine ditch, seeps, springs, wet meadows, and fen. Phenology: flowering.

U.S.A., Colorado, Pitkin County: Williams Mountains: White River National Forest: above Roaring Fork River along Colo Hwy 82 ca 1 1/4 air mi W of Independence Pass and 1 mi E of Independence ghost town, ca 14 air mi ESE of Aspen.
Seep in subalpine spruce forest adjacent to an avalanche chute. Phenology: flowering.

U.S.A., Colorado, Eagle County: Gore Range: White River National Forest: Eagles Nest Wilderness: Piney River Trail above Piney Lake, ca 7 air mi NNE of Vail from I-70 exit 176.
Wetlands and sedge meadows adjacent to riparian corridor. Phenology: flowering.
Michael K. Kirkpatrick, 8227b. 8/2/2011.

U.S.A., Colorado, Grand County: Blue Valley Ranch: BLM E.
Spruce/fir forest with northern aspect along streambank. Phenology: flowering.

U.S.A., Colorado, Grand County: Blue Valley Ranch: along Beaver Creek, W of Working Headquarters, S of Yust Reservoir.
zone 13, 381513E, 4427231N; unknown, Specimen Label
Along creek just off ranch road. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Sierra Madre: South Fork Miner Creek, ca 9 air mi SW of Encampment.
Bog near creek, with Ranunculus alismiifolius var. montanus. Local. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Along the Sweetwater River.

U.S.A., Idaho, Custer County: Challis National Forest: Salmon River Mountains: small drainage below lake 8,741, S of Mount Jordan, 18.6 air mi NNE of Stanley.
Well developed soil in hydric spruce vegetation; 17° slope, ESE aspect; dacite geology. 26-75 individuals apparent. Phenology: flowering.
with Wendy Irwin

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: along the Crater Lake Trail, ca 0.6 air mi SW of Crater Lake, ca 28.5 air mi E of Saratoga.
Carex aquatilis/Deschampsia cespitosa meadows. Phenology: flowering & fruiting.

U.S.A., Utah, Summit County: North Slope Uinta Mountains: Wasatch National Forest: Hayden Peak, ca 2 air mi NE of Mirror Lake.
T1S R9E S24; also T1S R10E S18 and S19
Moist, west-facing conifer forest. Phenology: flowering.
with Duane Atwood

U.S.A., Montana, Madison County: Madison Range: Taylor Hilgard Unit of Lee Metcalf Wilderness: North Fork Bear Creek and Cameron Creek, ca 3-5 air mi NW of Sphinx Mountain, ca 14-15 air mi SE of Ennis.
Moist meadow in a mixed coniferous woodland. Phenology: flowering.

U.S.A., Montana, Madison County: Tobacco Root Mountains: Mill Creek, ca 4.5 air mi W of South Baldy Mountain, ca 16 air mi NW of Ennis.
Moist spot along a small creek. Phenology: flowering.

U.S.A., Montana, Madison County: Tobacco Root Mountains: North Fork Mill Creek to Branham Peaks, ca 18 air mi NW of Ennis, ca 3.5 air mi SE of Granite Peak.
Subalpine meadow. Phenology: flowering.

U.S.A., Colorado, Summit County: Gore Range: Arapaho National Forest: North Rock Creek near boundary of Eagles Nest Wilderness, ca 7 air mi NW of Silverthorne and ca 9 air mi SSE of Green Mountain Reservoir.
Fen and wetland areas along forested riparian corridor. Phenology: flowering.
Accession: USFS (unaccessioned), Barcode: USFS0061516

U.S.A., Colorado, Rio Blanco County: Flat Tops/White River Plateau: Flat Tops Wilderness: Mirror Lake Trail, ca 30 air mi E of Meeker; ca 6 air mi NW of Trappers Lake.
Northeast-facing forested slopes, with Engelmann spruce, subalpine fir, lodgepole pine, and aspen.
Accession: USFS (unaccessioned), Barcode: USFS0061628

U.S.A., Utah, Daggett County: North Slope Uinta Mountains: Ashley National Forest: south side of Forest Road 539 along west side of Deep Creek; Deep Creek Campground.
Spruce forest, seeps, streambank. Phenology: flowering & fruiting.

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, at confluence of Meadow Creek and North Fork Clearwater River.
Lush wetland in floodplain adjacent to confluence of creek and the upper river. Phenology: flowering.

U.S.A., Idaho, Clearwater County: Bitterroot Mountains: Fish Lake Trail 419 and 419a, ca 8-11 air mi E of Osier Lookout and ca 2 air mi N of Wapito Point.
Lush meadows, rich with Carex spp. and prolific Zigadenus elegans; marginated by dense thickets of Salix and Alnus. Phenology: flowering.
with Jack Ader

U.S.A., Idaho, Idaho County: Bitterroot Mountains: Elk Summit along Hoodoo Creek and Forest Road 360, ca 3 1/4 air mi NW of Diablo Mountain Lookout.
Seepy meadows surrounding sinuous stream channel in spruce-fir forest. Phenology: flowering.

U.S.A., Idaho, Idaho County: Bitterroot Mountains: Packer Meadow and Packer Creek, ca 1.5 air mi NNE of Lolo Pass Visitor Center.
Mesic to saturated meadows and shrubby swamps in mosaic with subalpine fir-spruce forests of creek. Phenology: flowering.
with Mike Hays

U.S.A., Idaho, Idaho County: Bitterroot Mountains: Elk Meadow along upper Brushy Fork, ca 10 air mi E of Lolo Pass Visitor Center.
Meadows rich with Deschampsia cespitosa and moisture laden patches of Carex utriculata and Calamagrostis canadensis; Betula glandulosa common throughout. Phenology: flowering.

U.S.A., Idaho, Idaho County: Clearwater Mountains: Elk Summit Road 111 along Savage Creek, ca 5 3/4 air mi SE of Powell Ranger Station.
Wet meadow with abundant and prolifically blooming Arnica sororia. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Sierra Madre: ca 7 mi WSW of Encampment.
Wet bank with Senecio and Carex. Flowers white. Phenology: flowering & fruiting.

U.S.A., Utah, Summit County: North Slope Uinta Mountains: Wasatch National Forest: Red Castle Trailhead, ca 23 air mi SW of Robertson.
Wet meadow, willows, small creeks. Phenology: flowering & fruiting.

U.S.A., Utah, Summit County: [location and coordinates withheld]
Small cold meandering creeks, spruce forest, spongy mossy soils. Phenology: flowering & fruiting.

U.S.A., Colorado, Park County: East-central Colorado: Mosquito Range to Plains: Platte River Mountains: Hall Valley along the North Fork of the South Platte River and adjacent slopes, ca 4.7 air mi NW of Webster.
Along the banks of the river and adjacent slopes, in dense aspen. Phenology: flowering.

U.S.A., Colorado, Park County: East-central Colorado: Mosquito Range to Plains: Continental Divide: French Creek: W along the creek and adjacent slopes and ridges from crossing with Michigan Creek or Forest Road 54, ca 7 air mi NW of Jefferson.
Along of a series of wet, wooded clearings and seeps on steep slopes in Engelmann spruce-subalpine fir forest. Phenology: flowering.

Platanthera dilatata var. dilatata (1996)
Platanthera dilatata (Pursh) Lindl. ex L. C. Beck var. dilatata
U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: Elk Mountain: along middle Jack Creek at the springs, ca 39.5 air mi ESE of Rawlins; ca 18 air mi NE of Saratoga.
Alder thickets, willow thickets, old beaver ponds along a spring lined drainage. Phenology: flowering.
with Amy J. Roderick

Platanthera dilatata var. dilatata (1997)
Platanthera dilatata (Pursh) Lindl. ex L. C. Beck var. dilatata
U.S.A., Wyoming, Park County: Northern Absaroka Area: Ishawooa Pack Trail, ca 1 trail mi either side of Cut Coulee.
South exposure, andesitic outcrops and derivatives. Phenology: flowering.

Platanthera dilatata var. dilatata (1998)
Platanthera dilatata (Pursh) Lindl. ex L. C. Beck var. dilatata
U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Ferris Mountains: Miners Canyon on northeastern side of range, ca 16 air mi N of Independence Rock.
Along creek in limber pine-Douglas fir with open areas of sagebrush; Artemisia tripartita common. Phenology: flowering & fruiting.
with Kevin J. Taylor

U.S.A., Wyoming, Teton County: Teton Range: Grand Teton National Park: along west and north shores of Bearpaw Lake.
Wet soil and standing water with Carex canescens, Juncus ensifolius, and Calamagrostis canadensis. Phenology: flowering & fruiting.

U.S.A., Montana, Madison County: Madison Range: Gallatin National Forest: along Little Mile Creek, ca 20 mi NW of West Yellowstone.
Riparian community in wet soil with Salix bebbiana, Angelica arguta, Senecio triangularis, and Pedicularis groenlandica. Phenology: flowering.

U.S.A., Colorado, Grand County: Arapaho National Forest: Front Range: Monarch Lake, ca 10.5 air mi E of Granby; ca 12 air mi NE of Fraser.
Lakeside, spruce/lodgepole pine/fir forest, and streamside. Phenology: flowering.

U.S.A., Colorado, Grand County: Arapaho National Forest: Front Range: Indian Peaks Wilderness: Cascade Creek Trail, ca 1 mi N of Crater Lake.
Subalpine meadow. Phenology: flowering.

U.S.A., Colorado, Grand County: Arapaho National Forest: Front Range: Byers Peak Wilderness: Lake Evelyn Trail, ca 9.5 air mi WSW of Fraser.
Along trail through mixed coniferous forest with intermittent streams and meadows. Phenology: flowering.
with Jill Torres

U.S.A., Colorado, Grand County: Arapaho National Forest: Front Range: Vasquez Road, ca 5.5 air mi S of Fraser, along Vasquez Creek.
Along creek and in adjacent mixed coniferous forest. Phenology: flowering & fruiting.
with James, Margaret, and Alex Foley

U.S.A., Wyoming, Teton County: Mount Leidy Highland Area: Gunsight Pass area, along Sohare Creek.
T42N R112W S1; also S12
Meadows and forest edge. Phenology: flowering.
1. Platanthera dilatata (Pursh) Lindl. ex L. C. Beck var. dilatata

U.S.A., Idaho, Idaho County: Payette National Forest and Vicinity: Frank Church-River of No Return Wilderness: along Trail 003 on Chamberlain Creek from Red Top Creek to No Name Creek, ca 16 air mi NNE of Big Creek; ca 2-3 air mi WSW of Chamberlain Guard Station.
Open spruce-fir meadow along the creek. Phenology: flowering.

U.S.A., Idaho, Idaho County: Payette National Forest and Vicinity: Salmon River Mountains: Frank Church-River of No Return Wilderness: Moose Jaw Meadow and along Moose Creek below, ca 16 air mi NNE of Big Creek; ca 3 air mi SW of Chamberlain Guard Station.
Meadow along the creek. Phenology: flowering & fruiting.

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: Stonebraker Ranch, ca 1 air mi N of Chamberlain Airfield; ca 19 air mi NNE of Big Creek Guard Station.
Open meadow in mixed conifer forest. Phenology: flowering.

U.S.A., Idaho, Valley County: Payette National Forest and Vicinity: Salmon River Montains Area: Logan Creek by road to Moscow Mine, ca 3.5 air mi W of Big Creek; ca 11.5 air mi NNE of Yellow Pine.
Spruce/sedge bog with braided streams of creek. 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; streamside. 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: flowering & 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.
Shore area of subalpine lake. Phenology: flowering.
with Denise L. Fairbanks

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

U.S.A., Colorado, Jackson County: Sierra Madre/Park Ranges: Park Range: ca 2 air mi NNW of Red Elephant Mountain at Seven Lakes.
T11N R83W S25; also S26
Upper spruce-fir and subalpine; damp meadows.

U.S.A., Colorado, Jackson County: Sierra Madre/Park Ranges: Park Range: ca 19 air mi W of Walden.
Boggy areas.

U.S.A., Colorado, Routt County: Sierra Madre/Park Ranges: Park Range: ca 22 air mi NW of Kremmling by Service Creek.
T3N R83W S3; also S4
Streamside.
with Diane Fraser

U.S.A., Colorado, Routt County: Sierra Madre/Park Ranges: Park Range: ca 21 air mi WNW of Walden, SSW of Red Dirt Pass.
Wet areas.

U.S.A., Colorado, Jackson County: Sierra Madre/Park Ranges: Park Range: ca 22 air mi WSW of Walden in the Slide Lake, Rainbow Lake area.
T8N R83W S24; also T8N R82W S19 and S20
Spruce-fir damp areas.
with Heather & Joel Kastning

U.S.A., Colorado, Routt County: Sierra Madre\Park Range: Park Range: head of Crowner Creek, ca 6 air mi ESE of Yampa, ca 24 air mi S of Steamboat Springs.
Marshy area and seep.
with Steven Nelson

U.S.A., Colorado, Routt County: Sierra Madre\Park Range: Park Range: Routt National Forest: Between South Fork Soda and Spring Creeks, ca 4.5 air mi WSW of Buffalo Pass, ca 5 air mi NE of Steamboat Springs.
Among willows along a spring drainage.
with Michelle Nelson

U.S.A., Colorado, Jackson County: Sierra Madre\Park Range: Park Range: ca 2 air mi NNW of Red Elephant Mountain at Seven Lakes.
Upper spruce-fir and subalpine; damp meadows.

U.S.A., Colorado, Jackson County: Sierra Madre\Park Range: Park Range: ca 19 air mi W of Walden.
Boggy areas.

U.S.A., Colorado, Routt County: Sierra Madre\Park Range: Park Range: ca 22 air mi NW of Kremmling by Service Creek.
Streamside.
with Diane Fraser

U.S.A., Colorado, Routt County: Sierra Madre\Park Range: Park Range: ca 21 air mi WNW of Walden, SSW of Red Dirt Pass.
Wet areas.

U.S.A., Colorado, Jackson County: Sierra Madre\Park Range: Park Range: ca 22 air mi WSW of Walden in the Slide Lake, Rainbow Lake area.
Spruce-fir damp areas.
with Heather & Joel Kastning

U.S.A., Colorado, Jackson County: Sierra Madre\Park Range: Park Range: near junction of Forest Roads 600 and 689, ca 0.5 mi N of Big Creek Lake, ca 22 air mi NW of Walden; along South Fork Big Creek.

U.S.A., Colorado, Jackson County: Sierra Madre\Park Range: Park Range: vicinity of Buffalo Ridge-Seven Lakes Trailhead, ca 2.0 mi S of Wyoming; ca 34 air mi NNE of Steamboat Springs.

U.S.A., Colorado, Routt County: Sierra Madre\Park Range: Park Range: cirque basin and slopes just S of Red Dirt Pass.

U.S.A., Wyoming, Carbon County: Sierra Madre/Park Ranges: Sierra Madre: ca 14 air mi SW of Encampment, ca 29 air mi ENE of Dixon along Solomon Creek.
Along a stream and wet areas. Phenology: flowering.
with William Blunt

U.S.A., Wyoming, Carbon County: Sierra Madre/Park Range: Sierra Madre: Singer Peak.
Streamside. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Sierra Madre/Park Range: Sierra Madre: ca 3 mi SE of Quartzite Peak.
Aspen forest along creeksides. Phenology: flowering & fruiting.
with Lee Huston

U.S.A., Wyoming, Carbon County: Sierra Madre/Park Range: Sierra Madre: ca 4 air mi SSW of Blackhall Mountain, along Encampment River.
Riverside. Phenology: flowering & fruiting.
with Lee Huston & Heather Kastning

U.S.A., Wyoming, Carbon County: Sierra Madre/Park Range: Sierra Madre: ca 9 mi SE of Red Mountain.
Wet area. Phenology: flowering & fruiting.
with Lee Huston and Heather Kastning

U.S.A., Colorado, Jackson County: Sierra Madre\Park Range: Park Range: vicinity of Buffalo Lake-Seven Lakes trailhead, ca 2.0 mi S of Wyoming; ca 34 air mi NNE of Steamboat Springs.

U.S.A., Colorado, San Miguel County: San Miguel and lower Dolores River Drainages: San Miguel River Drainage: on old railroad grade from Lizard Head Pass to southeast end of Trout Lake.
In meadows and forest with spruce, fir and aspen. Phenology: flowering.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: ca 2 mi S of Elk Ridge, ca 12 air mi WNW of Dubois.
Boggy seep. Phenology: flowering.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: Maxon Basin and vicinity, ca 18 air mi SSW of Lander.
Riparian area adjacent to stream. Phenology: flowering.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: Middle Fork Popo Agie River trail to lower Hudson Meadow, ca 8 air mi SW of Lander.
Pond margins. Phenology: flowering.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: ca 1 mi NE of Fiddlers Lake, ca 12 air mi SSW of Lander.
Graminoid dominated riparian meadow. Phenology: fruiting.

U.S.A., Colorado, Dolores County: Upper Dolores River Drainage and Adjacent Areas: San Juan National Forest: Lizard Head Wilderness Area: Lizard Head trail, ca 7 air mi N of Rico.
Montane to subalpine forest and meadow; Engelmann spruce, subalpine fir,and Ribes. South-southeast facing slope. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: Wetlands and Adjacent Areas: New Fork Lakes, ca 17 air mi N of Pinedale.
Moist hummocks and creek bank. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Southern Wind River Range: east slope, at Louis Lake.
42.5965° N, 108.8524° W; NAD 83, uncertainty 0.5 mi., Digital Map
Common in boggy woods. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Laramie Peak.
In boggy places among the woods. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Laramie Peak.
Annotated by C. L. Porter in 1952.

U.S.A., Wyoming, Albany County: Medicine Bow National Forest: slopes S of Mirror Lake.
Common in moist meadow in sparse pine woods. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Wyoming (Bridger) National Forest: Forks of Grays River, near the bridge.
Scattering in loam sand meadow with Carex, mint, Calamagrostis, Poa; level slope. Phenology: flowering.
Charles H. McDonald, 600. 6/18/1926.

U.S.A., Wyoming, Sublette County: Wyoming (Bridger) National Forest: head of Miller Creek at trail crossing.
Scattering in loamy sand meadow with Carex, Calamagrostis, Poa, rush; 20% southeast slope. Phenology: flowering.
Charles H. McDonald, McD&S-45. 7/22/1926.
with H. A. Shannon

U.S.A., Wyoming, Sublette County: Surveyor Park, Fremont Lake.
Boggy places. Phenology: flowering & fruiting.
with Lois B. Payson

U.S.A., Wyoming, Carbon County: Ferris Mountains.

U.S.A., Wyoming, Natrona County: Casper Mountain area: vicinity of Garden Creek Falls.
Growing almost in the creek. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Wind River Range: Gannett Peak area: first slope to the west above Dinwoody Creek after its confluence with Gannett Creek.
Moist ledge. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Hayden National Forest: Sawmill Creek below Willow Park Ranger Station.
Common in wet gravelly loam with Carex, Juncus, red lousewort, buttercup, Veronica; moderate southeast exposure. Phenology: flowering.

U.S.A., Wyoming, Teton County: Teton National Forest: Gros Ventre River.
Wet soil; level slope. Phenology: flowering.

U.S.A., Wyoming, Sublette County: Wyoming National Forest: head of main South Piney Creek.
Scattered in shallow fine sand meadow with Carex, Calamagrostis; level southeast exposure. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Near Blind Ranch turnoff.
Wet forest soil. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie Mountains: Medicine Bow National Forest: 11 air mi SW of Esterbrook, along Friend Creek on trail to Laramie Peak.
Granite soil parent material, wet area. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Salt River Range: Crow Creek, just below Crow Lakes; 9.5 air mi E of Afton.
Growing in bog with low Salix, Carex, subalpine fir. Phenology: flowering.

U.S.A., Wyoming, Carbon County: West slope Medicine Bow Range: tributary of Mullen Creek on the Keystone-French Road.
Common, wet and boggy areas. Phenology: flowering.
Annotated by C. L. Porter.

U.S.A., Wyoming, Carbon County: Morgan, southeast slope of Cooper Hill.
Boggy bank of creek under pine story with Pedicularis. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: Rock Creek Roadless Area, ca 25 air mi NW of Laramie.
Wetlands and marshes; common adjacent to Pinus contorta and Picea engelmannii-Abies lasiocarpa. Phenology: flowering.
Leila Stanfield, 11. 7/27/1991.

U.S.A., Wyoming, Teton County: Targhee National Forest: Gibson Meadow.
Abundant in heavy stands in wet loam meadow with sedges; flat slope. Phenology: flowering.

U.S.A., Wyoming, Albany County: 5 km NW of Centennial.
In mesic area. Phenology: flowering & fruiting.
Annotated by Donald L. Hazlett.

U.S.A., Wyoming, Albany County: Snowy Range: vicinity of University of Wyoming Summer Science Camp.
Myrtle Arnold, s.n.. 7//1939.
with Margaret King and Irene Irwin

U.S.A., Wyoming, Carbon County: Sierra Madre Mountains: BLM Rawlins District.
Moist meadow. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Washakie (Bonneville) (Shoshone) National Forest: W of Sheridan Creek Ranger Station.
Boggy ground. Phenology: flowering.
Richard T. Guthrie, 24. 6/29/1914.

U.S.A., Wyoming, Natrona County: Casper Mountain: Camp Wyoba area.
Wet ground. Phenology: flowering.
Annotated by C. L. Porter.

U.S.A., Wyoming, Teton County: Gros Ventre Mountains: Gros Ventre River.
Common around edge of boggy area with Carex, Lemna minor. Phenology: flowering.

U.S.A., Wyoming, Teton County: Gros Ventre Mountains: Gros Ventre River.
Common in dark moist soil with Epipactis gigantea, Carex. Phenology: flowering.

U.S.A., Wyoming, Teton County: Gros Ventre Mountains: Granite Creek.
Common in dark soil with Potentilla, Poa. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Sierra Madre: North Fork Encampment River, ca 6 air mi SW of Encampment.
Occasional in bog. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Along road to Hogdon Ski Area (Road 507) at junction with Micro Road.
Wet aspen grove. Phenology: flowering & fruiting.
with Jane P. Nelson

U.S.A., Wyoming, Teton County: Grand Teton National Park: Snake River Moose Ponds, 1 mi W of Moose.
Moist soil under Populus. Phenology: flowering.
Annotated by C. L. Porter.
with Ragnhild Solheim

U.S.A., Colorado, Moffat County: North-central Colorado: Elkhead Mountains: on a point ca 1.5 air mi WSW of Sand Point and S of Fourmile Creek drainage, ca 21.5 air mi NNE of Craig.
Springs and along drainage below in spruce-fir forest. Phenology: flowering & fruiting.

U.S.A., Colorado, Jackson County: North-central Colorado: Park Range: Fryingpan Trail, ca 1 mi W of N-S trail near Shafer Ranch then N to "lake 8985", ca 18 air mi NW of Walden.
On floating mat in large kettle lake and plants from adjacent lodgepole forest. Drosera very abundant on floating mat on northeast side. Phenology: flowering & fruiting.
with Sarah Nunn

U.S.A., Colorado, Jackson County: North-central Colorado: Never Summer Mountains: Colorado State Forest: Upper Michigan Ditch, ca 8 air mi E of Gould.
Wet areas and along dirt road through spruce-fir. Phenology: flowering & fruiting.

U.S.A., Colorado, Jackson County: North-central Colorado: Rabbit Ears Range: along Grassy Run or Trail 1135 on the east side of Arapaho Ridge, ca 7.5-8 air mi SW of Rand; ca 23.5 air mi S of Walden.
Moist meadows along small stream in mixed conifer forest. Phenology: flowering & fruiting.

U.S.A., Colorado, Routt County: North-central Colorado: Park Range: head of Harrison Creek, ca 2 air mi E of Walton Peak, ca 3 air mi SW of Rabbit Ears Pass; ca 13 air mi SE of Steamboat Springs.
Willow carr around old beaver pond and along stream. Phenology: flowering.

U.S.A., Colorado, Routt County: North-central Colorado: Park Range: Sarvis (Sarvice) Creek Wilderness: along Silver Creek, ca 1.5 air mi S of Gore Mountain, ca 13.5-15 air mi ENE of Yampa.
Willow carr along the stream and old beaver ponds. Phenology: flowering & fruiting.

U.S.A., Colorado, Grand County: North-central Colorado: Park Range: along Silver Creek Trail, ca 2-3 air mi SE of Gore Mountain, ca 15-16.5 air mi NW of Kremmling.
Willow carr and marshy areas. Phenology: flowering & fruiting.

U.S.A., Colorado, Routt County: North-central Colorado: Park Range: along Middle Fork Little Snake River just N of Crane Park, ca 6.5 air mi NNE of Columbine; ca 32 air mi N of Steamboat Springs.
River banks and meadows. Phenology: fruiting.

U.S.A., Colorado, Routt County: North-central Colorado: Park Range: at the head of Middle Fork Little Snake River, and along the Continental Divide, ca 1-2 air mi ENE of Big Red Park, ca 8-9 air mi ENE of Columbine; ca 30 air mi N of Steamboat Springs.
Moist to wet meadows with willow thickets. Phenology: flowering & fruiting.

U.S.A., Colorado, Jackson County: North-central Colorado: Rabbit Ears Range: Troublesome Pass to base of Haystack Mountain.
Coniferous forest. Phenology: flowering.

U.S.A., Colorado, Jackson County: North-central Colorado: Rabbit Ears Range: Forest Road 730 and Arapaho Creek Trail to lakes to west.
Trail through coniferous forest to lake. Phenology: flowering & fruiting.

U.S.A., Colorado, Jackson County: North-central Colorado: Park Range: Lake Percy and Round Lake.
Open or partly shaded areas around lakes. Phenology: fruiting.

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 25.5 air mi NNW of Moose.
Mountain stream in open Picea engelmannii forest. Phenology: flowering.
with Klara Varga, Nancy Bockino, and Mike Straw

U.S.A., Wyoming, Teton County: Grand Teton National Park and Vicinity: Teton Range: in Webb Canyon, ca 16 air mi NW of Moran; ca 23 air mi N of Moose.
Montane riparian area within Picea engelmannii dominated forest. Phenology: flowering.
with Klara Varga

U.S.A., Wyoming, Teton County: Grand Teton National Park and Vicinity: Teton Range: Phelps Lake, ca 5 air mi W of Moose; ca 12 air mi N of Jackson.
Stream-fed wetland adjacent to lake. Phenology: flowering.
with Nancy Bockino

U.S.A., Wyoming, Teton County: Grand Teton National Park and Vicinity: Jackson Hole: west shore of Jackson Lake, ca 12.5 air mi NW of Moran; ca 20 air mi N of Moose.
Riparian community near stream inlet to lake. Phenology: flowering.
with Nancy Bockino

U.S.A., Wyoming, Teton County: Bridger-Teton National Forest: Teton Wilderness: near Pilgrim Creek, ca 9.5 air mi N of Moran, ca 23.5 air mi NNE of Moose.
Damp depression in mixed conifer forest. Phenology: flowering.

U.S.A., Wyoming, Teton County: Bridger-Teton National Forest: Teton Wilderness: near East Fork Pilgrim Creek, ca 8.5 air mi N of Moran; ca 23 air mi NNE of Moose.
Montane lake shore adjacent mixed conifer forest. Phenology: flowering.

U.S.A., Wyoming, Teton County: Bridger-Teton National Forest: Teton Wilderness: near Arizona Creek, ca 14.5 air mi NW of Moran; ca 25.5 air mi N of Moose.
Montane creek with Salix spp. and Alnus sp. Phenology: flowering.

U.S.A., Wyoming, Teton County: Bridger-Teton National Forest: Teton Wilderness: near Coulter Creek, ca 18 air mi N of Moran; ca 32 air mi NNE of Moose.
Spring in mixed conifer forest. Phenology: flowering.

U.S.A., Wyoming, Teton County: Bridger-Teton National Forest: Teton Wilderness: near Pilgrim Creek, ca 11.5 air mi N of Moran; ca 25 air mi NNE of Moose.
Scoured montane stream bed with cobble and sand bars, and moist stream banks. Phenology: flowering.
with Mike Straw

U.S.A., Wyoming, Teton County: Bridger-Teton National Forest: Teton Wilderness: near Wildcat Peak, ca 13 air mi N of Moran; ca 27 air mi NNE of Moose.
Mesic montane sedge meadow with small ponds. Phenology: flowering.
with Mike Straw

U.S.A., Wyoming, Teton County: Targhee National Forest: Ashton Ranger District: at Tillery Lake, ca 9 air mi WNW of Flagg Ranch; ca 26.5 air mi NW of Moran.
Mixed conifer forest adjacent montane lake. Phenology: flowering & fruiting.
with David Scott

U.S.A., Wyoming, Teton County: Southwestern Absarokas: Teton Wilderness: ca 9.5 air mi NNW of Togwotee Pass.
Spruce-fir forest with some lodgepole pine.

U.S.A., South Dakota, Harding County: West Short Pine Hills.
Shaded brooks. Phenology: flowering.

U.S.A., South Dakota, Lawrence County: Little Spearfish Canyon.

U.S.A., Colorado, Routt County: Elkhead Mountains: near headwaters of Summit Creek; SW of City Mountain; SE of Nipple Peak.
On loam of steep, shaded north exposure beneath Picea with Vaccinium. Phenology: flowering & fruiting.

U.S.A., Colorado, Larimer County: Cameron Pass.
Earl Lynd Johnston, 1334. 8/24/1929.

U.S.A., Colorado, Garfield County: White River National Forest: E of West Coal Creek.
Scarce in swampy meadow on level slope. Phenology: flowering & fruiting.

U.S.A., Colorado, San Miguel County: Montezuma National Forest: southwest streams having mouth in Trout Lake.
Infrequent on 5% northeast slope in mossy loam. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Ferris Mountains: Pole Canyon on north end of range, ca 29.5 air mi N of Rawlins.
Creek in open lodgepole and limber pine forest. Phenology: flowering.

U.S.A., Colorado, Larimer County: Chambers Lake.
George E. Osterhout, 3762. 7/8/1908.

U.S.A., Colorado, Archuleta County: Piedra: near Piedra River.

U.S.A., Colorado, Grand County: Camp Wheeler.
Marshy ground. Phenology: flowering.

Platanthera dilatata var. dilatata ()
U.S.A., Colorado, Pitkin County: Lake Gellar: near Leadville.
with N. T. Schedin

U.S.A., Colorado, Grand County: Arapaho National Forest: Gilsonite Ranger Station.

U.S.A., Colorado, Eagle County: White River National Forest: NW of Vail Pass.
Common on 60% slope, south slope in black loam with willows. Phenology: flowering.

U.S.A., Colorado, no county County: Pike National Forest.
Wet silt loam. Phenology: flowering & fruiting.
Philip V. Woodhead, sn. 7/20/1918.

U.S.A., Colorado, Grand County: Ca 6 mi NE of Winter Park on road 149.
Common along small spring in wet, exposed ground. Phenology: flowering.

U.S.A., Colorado, Gunnison County: Gunnison National Forest: Pass Creek.
Scarce in a bog of organic soil with Salix, Carex and moss. Phenology: flowering & fruiting.
1.
Annotated by Charles Feddema in 2002.

U.S.A., Wyoming, Albany County: Laramie Range: along Arapahoe Creek, ca 15.5 air mi SW of Esterbrook; ca 31 air mi SW of Douglas.
Creekside, mountain meadow, and boulder outcrops. Phenology: flowering & fruiting.
with J. Brondum and T. McGowan

U.S.A., Wyoming, Albany County: Laramie Range: Friend Park; upper 1/2 Laramie Peak Trail, ca 28 air mi SE of Douglas.
Along trail. Phenology: flowering & fruiting.
with J. Brondum and T. McGowan

U.S.A., Wyoming, Albany County: Laramie Range: near the head of Big Bear Canyon, ca 1.3 air mi SW of South Sawtooth Mountain and ca 1.7 air mi E of Blacktail Peak, ca 29 air mi SSW of Douglas; ca 13 air mi W of Esterbrook.
Along a small stream in aspen or aspen-mixed conifer forest. Phenology: flowering & fruiting.
Annotated by B. A. Packer.

U.S.A., Idaho, Teton County: Targhee National Forest: East Slope Big Hole Mountains: Superior Creek, ca 1.5 air mi SW of confluence with Horseshoe Creek; ca 11 air mi SW of Driggs.
T4N R44E S6; also S7 and S8
Forested slope, dominated by Pinus contorta, Abies lasiocarpa, and Pseudotsuga menziesii with some riparian.

U.S.A., Wyoming, Teton County: Targhee National Forest: West Slope Teton Range: Coal Creek Trail, ca 9 air mi SE of Victor, Idaho.
Coniferous forest bordering creek, dominated by Abies lasiocarpa, Pseudotsuga menziesii, Sorbus, and Salix. Phenology: flowering & fruiting.

U.S.A., Idaho, Teton County: Targhee National Forest: East Slope Big Hole Mountains: trail along Corral Creek to Red Creek, ca 5.5 air mi W of Victor.
T3N R44E S2; also S11
Coniferous forest dominated by Pinus contorta, Abies lasiocarpa and Pseudotsuga menziesii, with some riparian.

U.S.A., Wyoming, Teton County: Targhee National Forest: East Slope Teton Range: trail from Wyo Hwy 22 to intersection with trail to Phillips Pass, ca 7.5 air mi W of Jackson.
Coniferous forest, dominated by Abies lasiocarpa, Pinus contorta, and Sorbus scopulina. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: Bridger-Teton National Forest: East Slope Snake River Range: Coburn Creek Trail, from Prichard Pass.
Largely riparian, alternating with coniferous forest dominated by Pinus contorta and Picea engelmannii. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: Targhee National Forest: Northwest Slope Snake River Range: Mail Cabin Creek, ca 11 air mi W of Jackson.
Coniferous forest dominated by Abies and Picea. Phenology: flowering & fruiting.

U.S.A., Idaho, Madison County: Targhee National Forest: West Slope Big Hole Mountains: West Pine Creek Trail, just N of Ida Hwy 31.
Coniferous forest, dominated by Abies lasiocarpa and Pinus contorta, with many openings, some riparian.

U.S.A., Idaho, Fremont County: Targhee National Forest: Island Park Plateau: E of Island Park Ranger Station, south side of Buffalo River, ca 3 air mi S of Island Park.
T13E R43N S27
Wet meadow adjacent to river, dominated by forbs and graminoids.

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.
Swampy, sparsely forested area, dominated by Carex, grasses, and forbs, with scattered Pinus contorta and Salix.

U.S.A., Colorado, Garfield County: Flat Tops/White River Plateau: Flat Tops Wilderness: slopes above Little Trappers Lake, ca 19 air mi SW of Yampa.
Wet areas around creeks.
with Carlos Palaci

U.S.A., Colorado, Rio Blanco County: Flat Tops/White River Plateau: Dunckley Flat Tops N of Dunckley Pass, ca 11 air mi WSW of Oak Creek.
Moist spruce-fir forest with small boggy clearings.

U.S.A., Colorado, Rio Blanco County: Flat Tops/White River Plateau: Sleepy Cat Peak, ca 23 air mi ENE of Meeker.
Wet meadows and forest clearings at base of mountain.

U.S.A., Wyoming, Carbon County: South-central Wyoming: Sierra Madre: southwestern lower slopes of Battle Mountain, ca 8 air mi E of confluence of Savery Creek and Little Snake River; ca 18.5 air mi E of Baggs.
Close proximity to spring. Phenology: flowering.

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.
Along seep and creek edge; soil organic; slope 0-5; aspect ravine. Phenology: flowering.

U.S.A., Oregon, Umatilla County: Umatilla National Forest and Vicinity: 3 air mi S of Corporation Guard Station on South Fork Umatilla River Trail.
In mucky spring fed area with tree alder overstory; soil organic; slope 0; aspect ravine. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Sierra Madre: above Rambler, ca 11.5 air mi WSW of Encampment.
In bog along creek. Numerous plants; flowers white. Phenology: flowering & fruiting.

U.S.A., Oregon, Umatilla County: Umatilla National Forest and Vicinity: Camp Creek Trail, near Meacham Creek.
Muddy creek bank in mixed conifer forest; soil organic; slope 5-10; aspect westerly. Phenology: flowering.
with Stuart Markow

U.S.A., Washington, Stevens County: Western Colville National Forest and Vicinity: Mill Creek Drainage: along Middle Fork of Mill Creek and Bon Ayre Valley on Forest Road 4668, ca 10 air mi NE of Colville.
Old homestead meadows, heavily grazed; creekside and edges of lodgepole pine and cedar/spruce. Phenology: flowering.

U.S.A., Washington, Stevens County: Western Colville National Forest and Vicinity: Kettle River: First Thought Mountain, ca 2 air mi NE of Orient along Forest Road 4149.
Rocky, bald mountain top with scattered Douglas fir and edges of warm mixed forest. Phenology: flowering.

U.S.A., Washington, Ferry County: Western Colville National Forest and Vicinity: Kettle Crest Trail and Old Stage Road, ca 6 air mi N of Sherman Pass; from trailhead on Albion Hill Road.
South aspect sagebrush balds with scattered large Douglas fir; subalpine fir/lodgepole pine forest with large 1 year-old burn areas. Phenology: flowering.

U.S.A., Washington, Pend Oreille County: Western Colville National Forest and Vicinity: Granite Meadows, ca 3.5 air mi E of Little Pend Oreille Lakes, off Tacoma Divide Road.
Old beaver ponds with some open water; extensive peat bog with multiple Carex species. Phenology: flowering.

U.S.A., Oregon, Grant County: Umatilla National Forest and Vicinity: Haiku Meadow along Lost Creek, ca 2 air mi SE of Olive Lake.
In wetland area in cirque; in spruce woods; soil organic; slope 0-5; aspect northeast. Phenology: flowering & fruiting.

U.S.A., Oregon, Grant County: Umatilla National Forest and Vicinity: Haiku Meadow along Lost Creek, ca 2 air mi SE of Olive Lake.
In wetland area in cirque; in spruce woods; soil organic; slope 0-5; aspect northeast. Phenology: flowering.

U.S.A., Washington, Stevens County: Western Colville National Forest and Vicinity: Trombetta Canyon, ca 2 air mi S of Northport on Fivemile Creek.
Wetland/swamp. Phenology: flowering.
with Linda Swartz

U.S.A., Oregon, Grant County: Umatilla National Forest and Vicinity: Glade Creek and vicinity in North Fork John Day Wilderness Area, ca 1 air mi W of North Fork John Day River.
Mixed conifer forest with Vaccinium, Chimaphila and Linnaea understory; soil fine, deep, ashy, pale; slope 5-10; aspect northeast. Phenology: flowering.

U.S.A., Washington, Stevens County: Western Colville National Forest and Vicinity: Smackout Swamp, ca 7 air mi NW of Ione; ca 1 air mi NW of Smackout Pass.
Mixed woods. Phenology: flowering & fruiting.

U.S.A., Oregon, Grant County: Umatilla National Forest and Vicinity: Glade Creek and vicinity in North Fork John Day Wilderness Area, ca 1 air mi W of North Fork John Day River.
Wetland in full sun; soil organic; slope 0; aspect northeast. 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: flowering.

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Wyoming Range: Stump Lake, ca 12 air mi SE of Alpine Junction.
Spruce-fir forest surrounding lake and stream. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Salt River Range: valley one ridge W of Corral Creek Lake; ca 8 air mi ESE of Afton.
Moist valley. Phenology: flowering.

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: ca 1 mi E of the north end of Fremont Lake off Skyline Drive, ca 10.5 air mi NNE of Pinedale.
Wet areas along stream and springs. Phenology: flowering.
Annotated by Walter Fertig.
with Walter Fertig

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: 1.2 mi from Wyo Hwy 130 along South Brush Creek.
Abundant in moist sandy loam with Lathyrus, Castilleja, Aconitum, Salix. Phenology: flowering.

U.S.A., Oregon, Umatilla County: Umatilla National Forest and Vicinity: along North Fork Umatilla River, 0.5-1 air mi ESE of Corporation Guard Station.
Douglas-fir and populus overstory and alder spp. along the river; soil fine, deep, light brown; slope 0-15; aspect southwest. Phenology: flowering.
Heather Bradtke, 74. 6/10/2001.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: 4.2 mi NW of Centennial, 0.2 mi from Wyo Hwy 130 on Sand Lake Road.
Frequent in wet mucky and gravelly soil at the edge of beaver ponds with Potentilla, Pedicularis. Phenology: flowering & fruiting.

U.S.A., Oregon, Union County: Umatilla National Forest and Vicinity: near edge of Wallowa-Whitman National Forest, Forest Road 5427, ca 11 mi S and 9 mi E of Pilot Rock.
Sunny, wetland area at top of gentle slope, interspersed with slightly elevated areas of Larix and other conifers; soil organic; slope 0-5; aspect none to southerly Phenology: flowering.

U.S.A., Oregon, Grant County: Umatilla National Forest and Vicinity: ca 1 mi W of Forest Road 52 and 2 mi S of Union County, near Trout Meadows.
First part of meadow; slope 0-10; aspect none. Phenology: fruiting.

U.S.A., Oregon: Umatilla National Forest and Vicinity:
Eriophorum site with spruce and sphagnin???? Phenology: flowering.

U.S.A., Oregon, Grant County: Umatilla National Forest and Vicinity: North Fork John Day Wilderness: from China Meadows to middle of Packsaddle Trail, ca 7 mi N and 5 mi W of Granite.
Slope 0-15; aspect southeast. Phenology: flowering.

U.S.A., Oregon, Grant County: Umatilla National Forest and Vicinity: North Fork John Day Wilderness: from Forks Guard Station and Forest Road 5225 along Forks Trail, ca 11 mi N and 9 mi W of Granite.
Nearby sunny creek; slope 5-20; aspect north. Phenology: flowering & fruiting.

U.S.A., Oregon, Umatilla County: Umatilla National Forest and Vicinity: Sugarbowl on Forest Road 5309, ca 8 mi W of Ukiah.
Under ponderosa pine with grass, strawberries, and Lomatium nudicaule transitioning to Larix, lodgepole pine, and Douglas fir forest. Phenology: flowering.

U.S.A., Oregon, Morrow County: Umatilla National Forest and Vicinity: near Nine Top Road on Mahogany Flat, ca 12 mi N of Monument.
Riparian area partially shaded by Douglas fir and ponderosa pine with Salix, Philadelphus, Physocarpus and Carex in organic soil; slope 0-20; aspect ravine. Phenology: flowering.

U.S.A., Oregon, Morrow County: Umatilla National Forest and Vicinity: Black Mountain from County Road 678 and Forest Road 30, ca 10 mi S and 12 mi E of Heppner.
Riparian area under grand fir, Taxus, and Douglas fir in black, organic soil; slope 0-10; aspect south. Phenology: flowering.

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., Wyoming, Park County: Northern Absarokas: North Fork Crandall Creek trail, 15-17 trail mi WNW of Crandall Ranger Station.
Along trail through coniferous forest. Phenology: flowering & fruiting.

U.S.A., Oregon, Grant County: Umatilla National Forest and Vicinity: Forest roads 1006 and 51, ca 5 mi S and 2 mi E of Dale.
Riparian area with spruce in dark organic soil; slope 0-5; aspect ravine. Phenology: flowering.

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 & fruiting.
Annotated by Walter Fertig.
with Jonathan Hughes

U.S.A., Oregon, Grant County: Umatilla National Forest and Vicinity: Desolation Creek, ca 9 mi S and 8 mi E of Dale.
Riparian area, spruce, grand fir dominant in organic to fine, deep, and powdery soil; slope 0-15; aspect none. Phenology: flowering & fruiting.

U.S.A., Oregon, Grant County: Umatilla National Forest and Vicinity: Desolation Creek, ca 9 mi S and 8 mi E of Dale.
Riparian area, spruce, grand fir dominant in organic to fine, deep, and powdery soil; slope 0-15; aspect none. Phenology: flowering.

U.S.A., Washington, Asotin County: Umatilla National Forest and Vicinity: Menatchee Creek and Trail, ca 5 mi S and 12 mi W of Anatone.
Riparian areas; slope 0-5; aspect riparian. Phenology: flowering.

U.S.A., Wyoming, Fremont County: West Slope Wind River Range: banks of Sweetwater River, ca 3 air mi E of Little Sandy Lake, ca 45 air mi SE of Pinedale.
Wet, semi-shady banks of river. Soil moist, sandy-loam. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: East shore of Green River, ca 0.25 mi N of north shore of Lower Green River Lake.
Moist, muddy banks of Green River. Phenology: flowering & fruiting.
with N. Duane Atwood

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: Pixley Creek Valley and adjacent granite slopes, ca 3.5 air mi NE of Squaretop Mountain, ca 24.5 air mi N of Pinedale.
Wet meadow in small, relatively flat clearing adjacent to small stream on ridge north of creek. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: [location and coordinates withheld]
Marshy seep spring adjacent to Sweeney Creek. Phenology: flowering & fruiting.

U.S.A., Oregon, Grant County: Umatilla National Forest and Vicinity: Vinegar Hill to Psyche Butte off Forest Road 2010; ca 7 mi E and 7 mi S of Granite.
In a spring in organic soil; slope 10-20; aspect north. Phenology: flowering.

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: North bank of New Fork River, ca 1.5 mi NE of Upper New Fork Lake.
Stream bank. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: Adjacent to New Fork Lakes Trail and New Fork River at base of Dome Peak Mountain, ca 3 air mi NE of east shore of Upper New Fork Lake.
Swampy clearing. Phenology: flowering & fruiting.

U.S.A., Oregon, Grant County: Umatilla National Forest and Vicinity: Ben Harrison Peak, on Forest roads 2010 and 148, ca 5 mi S and 9 mi W of Granite.
Open area in granite block slope; in a spring among boulders; slope 10-20; aspect southeast. Phenology: flowering.

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: Three Forks Park, ca 6 air mi SE of southern end of Upper Green River Lake, adjacent to Highline Trail.
Open marsh adjacent to small pond east of Highline Trail.

U.S.A., Oregon, Grant County: Malhuer National Forest and Vicinity: Forest Road 2010, ca 7 mi S and 7 mi W of Granite.
In a spring in organic soil; slope 10; 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.
Small lake with surrounding wetland. 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, Morrow County: Umatilla National Forest and Vicinity: Forest Road 5316 between Thompson and Ellis creeks, ca 6 mi N and 13 mi W of Dale.
Open riparian area in organic and rocky soil; slope 0-5; aspect south facing ravine. Phenology: flowering.

U.S.A., Oregon, Morrow County: Umatilla National Forest and Vicinity: Kelly Prairie on Forest Road 53, ca 2 mi N and 17 mi W of Ukiah.
Prairie with organic to fine, deep, moist soil; slope 0; aspect none. Phenology: flowering.

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: Small stream entering NW corner of Blueberry Lake, ca 13 air mi E of Pinedale.
Wet banks of stream in shady aspen/lodgepole pine woods. Soil moist clay-loam. Phenology: flowering.

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: ca 1 mi N of Scab Creek Campground, 16 air mi E of Pinedale.
Wet, shady banks of Scramble-up Creek. Soil wet, loamy. Canopy of aspen, willow. Phenology: flowering & fruiting.

U.S.A., Washington, Columbia County: Umatilla National Forest and Vicinity: Colony Creek, ca 6 mi S and 17 mi E of Dayton.
Brown powdery soil; aspect northwest. 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: fruiting.

U.S.A., Wyoming, Fremont County: Green River Basin: West Willow Creek and vicinity, ca 2.5 air mi NW of South Pass City.
Sagebrush hillsides, streamsides, meadows, and granite outcrops. Phenology: flowering.
with Jane T. Kellett

U.S.A., Wyoming, Sublette County: Green River Basin: Blucher Creek just S of Bridger-Teton National Forest, ca 12 air mi E of Buckskin Crossing.
Creekside meadows, sagebrush, and lodgepole pine stands. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: Green River Basin: Irish Canyon at Bridger-Teton National Forest border, ca 5.5 air mi ENE of Big Sandy.
Steep and wet meadowed drainage bottom between Douglas fir sides. Phenology: flowering.
with Jane T. Kellett

U.S.A., Montana, Carbon County: Pryor Mountains: Custer National Forest: S of Pryor Mountain or Forest Road 23085 at the north base of Big Pryor Mountain, ca 20 air mi SE of Bridger.
Large spring-steep slope in Douglas fir/ninebark/Rocky Mountain maple forest. Phenology: flowering.

U.S.A., Montana, Gallatin County: Gallatin Range: Gallatin National Forest: above Big Bear Creek at a tributary along Cliff Creek or Forest Road 6989 ca 2 air mi NW of Wheeler Mountain, ca 11.5 air mi SSW of Bozeman.
Wet meadow and roadside. Phenology: flowering & fruiting.

U.S.A., Montana, Carbon County: Beartooth Mountains: Custer National Forest: Hellroaring Plateau: Forest Road 2004 at Hellroaring Creek, ca 13.5 air mi SW of Red Lodge.
Stream bank and mixed conifer forest. Phenology: flowering.
with Dean Sherman

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: at the head of Tepee Creek just N of Colorado, ca 43 air mi SW of Laramie.
Stream bottom with willow thickets and conifers at the edge. Phenology: flowering.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: Savage Run Wilderness: just W of Forest Road 511 (Horse Creek Road), ca 3 mi WSW of Rob Roy Reservoir, ca 31.5 air mi SE of Saratoga.
Wet meadow with creek running through the middle. Phenology: flowering.
with Kyle E. Bolenbaugh.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: Firebox Lake area, E of intersection of Forest Road 101 (Sand Lake Road) and Forest Road 324, ca 10 air mi NNW of Centennial.
Wet meadow with Sphagnum. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: Barrett Creek, along Forest Road 225 (South French Creek Road), ca 3 air mi S of Wyo Hwy 130, ca 20 air mi SE of Saratoga.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: N of Headquarters Park, off Forest Road 200, 1 air mi N of Wyo Hwy 130, ca 24 air mi W of Saratoga.
Wet stream bank. Phenology: flowering.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: Devils Gate Creek, near Golden Key Mine, near intersection of Forest Road 512 (Platte Access Road) and Forest Road 512G, ca 13 air mi SW of Centennial.
Creek in mixed conifer forest. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: Mullen Creek, at end of Forest Road 500 1E, ca 3 air mi N of intersection of Forest Road 500 (French Creek Road) and Forest Road 511 (Horse Creek Road), ca 10 air mi W of Centennial.
Wet meadow, Sphagnum and Salix dominated, between two creeks. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: South French Creek, just S of Forest Road 236, ca 2 air mi NE of intersection of Forest Road 225 (South French Creek Road) and Forest Road 236, ca 25 air mi SE of Saratoga and 12 air mi W of Centennial.
Wet, open conifer forest edge and ponds. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: along Forest Road 208 1F, ca 1 air mi S of South Fork Corral Creek, ca 5 air mi S of Ryan Park; ca 21 air mi SE of Saratoga.
Lodgepole pine and spruce forest along creek. Phenology: fruiting.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: Jelm Creek area, ca 1.5 air mi SE of Chimney Park Camp and ca 5 air mi SW of Woods Landing.
Wooded creek. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: Medicine Bow National Forest: vicinity of Long Lake, ca 10.5 air mi SW of Arlington interchange at I-80.
Lake shore and adjacent meadow. Phenology: fruiting.
with Jack S. Hartman

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: North Brush Creek, S of intersection of Forest Road 100 (North Brush Creek Road) and Forest Road 219 (Cortez Creek Road), ca 17 air mi ESE of Saratoga; ca 6 air mi N of Ryan Park.
Partially wooded area near creek, grass and Salix dominated. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: Lime Kiln Park, SW of Forest Road 261 (Cedar Pass Road), ca 14 air mi E of Saratoga; ca 7 air mi N of Ryan Park.
Along stream in mixed conifer forest. Phenology: flowering & fruiting.

U.S.A., Montana, Flathead County: Flathead National Forest: Front Range: Forest Road 569 along Puzzle Creek, ca 10 air mi SE of Summit on U.S. Hwy 2.
West hill slope in Abies lasiocarpa/Picea engelmannii forest; southwest aspect, 15-30% slope; sedimentary rock. Phenology: flowering.
1. Platanthera dilatata (Pursh) Lindl. ex L. C. Beck var. dilatata .

U.S.A., Montana, Teton County: Lewis and Clark National Forest: Front Range: South Fork Teton River, Forest Road 109, ca 3 air mi E of Mill Falls.
Riparian zone, at confluence of tributary flowing from the S; Pseudotsuga menziesii/Picea engelmannii; north aspect, 0-10% slope; limestone bedrock, . Phenology: flowering.
1. Platanthera dilatata (Pursh) Lindl. ex L. C. Beck var. dilatata .

U.S.A., Montana, Lewis and Clark County: Lewis and Clark National Forest: Front Range: along Wood Creek, ca 1 air mi SE of Benchmark Wilderness Ranch, ca 2 air mi NW of Wood Lake.
Dry hill slope and Salix covered floodplain; southeast aspect, floodplain 0-5%, hillside 30% slope. Phenology: flowering.

U.S.A., Montana, Meagher County: Lewis and Clark National Forest: Little Belt Mountains: Memorial Falls Trail on U.S. Hwy 89, ca 1.5 air mi SE of Neihart.
Riparian zone in canyon; northwest aspect, 0-15% slope; Neihart quartzite bedrock. Phenology: flowering.
1. Platanthera dilatata (Pursh) Lindl. ex L. C. Beck var. dilatata .

U.S.A., Montana, Judith Basin County: Lewis and Clark National Forest: Little Belt Mountains: Running Wolf Canyon, Forest Road 264, ca 2.5 air mi E of Dry Wolf Campground, ca 3.5 air mi N of old Yogo town site
Forested limestone canyon running E-W; 5-10% slope at bottom, along stream. Phenology: flowering.

U.S.A., Montana, Meagher County: Ca 2 air mi SE of Forest Road 274 (Spring Creek Road) on U.S. Hwy 12 or 6.5 mi NW of Wheatland County.
Roadside ditch. Phenology: flowering.
Annotated by Rick McNeill.

Annotated by Rick McNeill.

U.S.A., Montana, Meagher County: Lewis and Clark National Forest: Crazy Mountains: south end of Virginia Peak.
Meadows and trail. Phenology: flowering.
Annotated by Rick McNeill.

U.S.A., Montana, Sweet Grass County: Absaroka Range: Gallatin National Forest: East Fork Boulder River valley, ca 41 air mi SSW of Big Timber; from the Box Canyon Trailhead over the Lake Plateau to the Upsidedown Creek Trailhead on Forest Road 6639.
Saturated mossy area in Pinus contota and Picea shaded forest. Phenology: flowering.

U.S.A., Wyoming, Park County: Beartooth Mountains: Shoshone National Forest: from end of Forest Road 1301A that goes past Mud Lake along trail to Lake Reno on trail towards Crazy Mountain, ca 27.5-28.5 air mi WSW of Red Lodge.
Wet meadows and riparian areas. Phenology: flowering & fruiting.
with Bernadette Kuhn

U.S.A., Montana, Park County: Beartooth Mountains: Custer National Forest: Forest Road 3219, near (NW) Daisy Pass to upper Stillwater River, ca 3-5.5 air mi NW of Cooke City.
Riparian areas. Phenology: flowering & fruiting.
Accession: RM 865605, Barcode: USFS0045989

U.S.A., Montana: 1/2 mi SW of Sprague Creek in ditch along the "Going to the Sun Highway".

U.S.A., Montana: Glacier National Park: Roes Lake Trail.
Shaded stream bank. Phenology: flowering.

U.S.A., Montana: 8 mi N of Fork Creek Ranger Station, across from Christiansons Ranch.

U.S.A., Montana, Big Horn County: East Cabin Creek along Yellowtail Reservoir.
Riparian bottom in Populus/Acer cover class. Phenology: flowering.
2. Platanthera dilatata (Pursh) Lindl. ex L. C. Beck

U.S.A., Montana, Mineral County: Cabinet National Forest: Savenac Nursery.
Along creek; level moist bog; with Carex, Juncus. Rare. Phenology: flowering.

U.S.A., Montana: Flathead National Forest: Clayton Lake.
East slope; wet spongy soil. Phenology: flowering.

U.S.A., Montana, Beaverhead County: Beaverhead National Forest: Jahnke Creek Road.
T7S R16W S22
South slope; peat swamp. Phenology: flowering.

U.S.A., Montana, Pondera County: Front Range: Forest Trail 150, E of Phillips Creek, ca 1.5 mi S of Swift Reservoir Trailhead.
Wooded hill slope; south to southwest aspect; 10-15% slope; Pseudotsuga menziesii and Pinus contorta. Phenology: flowering.
with Addy Wycgans

U.S.A., Montana, Cascade County: Lewis and Clark National Forest: Little Belt Mountains: Forest Road 204 where it crosses Rocking Chair Creek.
Riparian zone along creek, scattered Pinus contorta; 5-10% slope; rocky granite. Phenology: flowering.

U.S.A., Montana, Meagher County: Lewis and Clark National Forest: Little Belt Mountains: Forest Road 6464, ca 1 air mi ESE of Smoky Mountain.
Very dry; south aspect; 10-20% slope; Pinus ponderosa. Phenology: flowering.

U.S.A., Montana, Meagher County: Lewis and Clark National Forest: Little Belt Mountains: west side of Smith River across from Indian Springs Campground at Indian Springs.
Riparian zone and bench about river, wooded Pseudotsuga menziesii; east aspect; 0-5% slope. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: Elk Mountain: upper Fish Creek, ca 2.5 mi W of Pass Creek Road, ca 20 air mi SW of Hanna.
Aspen and pine forest. Phenology: flowering.

U.S.A., Colorado, Eagle County: Gore Range: White River National Forest: Lone Lick Lakes, on the north slope of Piney Ridge, ca 8 air mi E of State Bridge.
Forested riparian corridor. Phenology: flowering.

U.S.A., Colorado, Summit County: Gore Range: Arapaho National Forest: southeast slope of Sheep Mountain off of Forest Road 23, W of Green Mountain Reservoir, ca 17 air mi NNW of Vail.
Shaded spruce-fir forest with seeps. Phenology: flowering.

U.S.A., Colorado, Summit County: Tenmile Range: Arapaho National Forest: jeep trail access to Mayflower Lakes from Spruce Creek Road (Forest Road 800), ca 4 air mi SSW of Breckenridge.
Subalpine pond and wetlands. Phenology: flowering.

U.S.A., Colorado, Summit County: Tenmile Range: Arapaho National Forest: Miners Creek drainage, ca 3-4 air mi S of Frisco.
Forested subalpine riparian corridor. Phenology: flowering.

U.S.A., Colorado, Pitkin County: Sawatch Range: White River National Forest: at the junction of Marten Creek and Fryingpan River at end of Forest Road 505, ca 16 air mi E of Aspen.
Moist to dry meadow and old disturbed areas. Phenology: flowering.

U.S.A., Colorado, Pitkin County: Williams Mountains: White River National Forest: Hunter-Fryingpan Wilderness: along Chapman Gulch below Mount Nast from the wilderness boundary S ca 0.5 air mi, ca 11.5 air mi ENE of Aspen.
Mossy wetland with scattered spruce. Phenology: flowering.

U.S.A., Colorado, Summit County: Gore Range: Arapaho National Forest: on Elliott Ridge just NE of Blue Lake, ca 24 air mi NW of Silverthorne at I-70.
Dry to wet meadow. Phenology: flowering.

U.S.A., Colorado, Eagle County: Gore Range: White River National Forest: Elliott Ridge from ca 1/3 mi S of the trailhead at Blue Lake to the first saddle, ca 13-13.5 air mi N of Vail.
Seep. Phenology: flowering.

U.S.A., Colorado, Summit County: Gore Range: Arapaho National Forest: Eagles Nest Wilderness: Eaglesmere Lakes and NW along the Gore Range Trail to Elliott Creek, ca 20 air mi NW of Silverthorne at I-70.
Dry fen in spruce-fir forest. Phenology: flowering.

U.S.A., Colorado, Summit County: Gore Range: White River National Forest: Eagles Nest Wilderness: North Tenmile Trail, ca 3 air mi W of Frisco.
Trailside seeps and stream crossings in subalpine forest. Phenology: flowering.

U.S.A., Colorado, Eagle County: Sawatch Range: White River National Forest: Holy Cross Wilderness: Tellurium Park, ca 20 air mi SSE of Eagle.
Subalpine wet meadow and limestone outcrops. Phenology: flowering.

U.S.A., Colorado, Pitkin County: Elk Mountains: White River National Forest: Maroon Bells-Snowmass Wilderness: Castle Peak Trail via the northeast ridge above Castle Creek, ca 12 air mi S of Aspen.
Fen dominated by Betula glandulosa, willows, and peat moss. Phenology: flowering.

U.S.A., Colorado, Pitkin County: Sawatch Range: White River National Forest: kettle ponds on ridge between Lily Pad Lake and Ivanhoe Lake, off of Forest Road 527, below Hagerman Pass, ca 17 air mi ENE of Aspen.
Fens with peat moss and sedge meadows, bordered by spruce-fir forest. Phenology: flowering.

U.S.A., Montana, Carbon County: Pryor Mountains: Custer National Forest: S of Pryor Mountain or Forest Road 23085 at the north base of Big Pryor Mountain, ca 20 air mi SE of Bridger.
Large spring-steep slope in Douglas fir/ninebark/Rocky Mountain maple forest. Phenology: flowering.
Accession: (unaccessioned), Barcode: USFS0047592

U.S.A., Colorado, Delta County: Grand Mesa: Gunnison National Forest: Chalk Mountain, southeast slope to Overland Reservior, ca 17.5 air mi NNW of Paonia.
Subalpine wetland. Phenology: flowering & fruiting.
with Joe E. Brummer

U.S.A., Colorado, Eagle County: Gore Range: White River National Forest: Eagles Nest Wilderness: Piney River Trail above Piney Lake, ca 7 air mi NNE of Vail from I-70 exit 176.
Wetlands and sedge meadows adjacent to riparian corridor. Phenology: flowering.
Michael K. Kirkpatrick, 8227a. 8/2/2011.

U.S.A., Idaho, Custer County: Southern Salmon River Mountains: foothills WSW of the trailhead for the West Fork Yankee Fork River, 13.8 air mi NE of Stanley.
<25 individuals estimated in mesic soil within a lodgepole pine vegetation, 11 degree slope, N aspect, rhyodacite geology. Phenology: flowering.

U.S.A., Idaho, Custer County: Southern Salmon River Mountains: open area ESE of Cabin Creek Peak, 13.2 air mi N of Stanley.
<25 individuals estimated in hydric soil within a forb dominated meadow, no slope, rhyodacite geology. Phenology: flowering.

U.S.A., Idaho, Custer County: Challis National Forest: Cape Horn Area: valley bottom on the east side of big Cape Horn Lake, 16.4 air mi NW of Stanley.
Well developed soil in mesic lodgepole pine vegetation; 3° slope, NNW aspect; alluvial geology. 1-25 individuals apparent. Phenology: flowering.

U.S.A., Idaho, Custer County: Challis National Forest: Salmon River Mountains: slopes along the west side of Swift Gulch, 17.4 air mi NW of Clayton.
Well developed soil in hydric Douglas-fir vegetation; 24° slope, ENE aspect; dacite geology. 26-75 individuals apparent. Phenology: flowering.
with Don Mansfield

U.S.A., Idaho, Lemhi County: Salmon National Forest: Salmon River Mountains: northwest shore of Lower Iron Lake, 16.7 air mi NNW of Ellis.
Well developed soil in hydric woody riparian vegetation; 43° slope, ESE aspect; siltite/metasandstone geology. 1-25 individuals apparent. Phenology: flowering.

U.S.A., Idaho, Lemhi County: Salmon National Forest: Salmon-Bitterroot Divide: Horse Creek ca 0.1 mi downstream of Horse Creek Hot Springs, 12.7 air mi NW of Shoup.
Sandy or gravelly soil in hydric woody riparian vegetation; 0° slope; granite geology. 1-25 individuals apparent. Phenology: flowering & fruiting.

U.S.A., Idaho, Butte County: Little Lost River Valley: along lower North Creek, 13.4 air mi N of Howe.
Well developed soil in hydric woody riparian vegetation; 8° slope, WSW aspect; alluvial geology. 1-25 individuals apparent. Phenology: flowering.
with Wendy Irwin

U.S.A., Idaho, Custer County: Challis National Forest: Pioneer Mountains: along Boulder Creek, above Wildhorse Campground, 14.6 air mi NE of Sun Valley.
Well developed soil in hydric spruce vegetation; 13° slope, ESE aspect; conglomerate geology. 1-25 individuals apparent. Phenology: flowering.

U.S.A, Idaho, Lemhi County: Salmon National Forest: Lemhi Range: near Bear Valley Creek at the Wright Creek confluence, 20.7 air mi WNW of Leadore.
<25 plants estimated in hydric soil within a spruce vegetation, 10 degree slope, NE aspect, quartzite geology. Phenology: flowering.

U.S.A, Idaho, Lemhi County: Salmon National Forest: Salmon River Mountains: east side of Pony Lake, 10.6 air mi W of Salmon.
<25 plants estimated in mesic soil within herbaceous riparian vegetation, no slope, rhyodacite geology. Phenology: flowering.

U.S.A, Idaho, Lemhi County: Salmon National Forest: Lemhi Range: unnamed west fork of upper Big Eightmile Creek, 13.5 air mi WSW of Leadore.
25-75 plants estimated in mesic soil within a spruce vegetation, 22 degree slope, NW aspect, till geology. 25-75 plants estimated. Phenology: flowering.
with Lucinda Haggas

U.S.A, Idaho, Custer County: Challis National Forest: Southern Salmon River Mountains: near upper Asher Creek, 15.0 air mi NW of Stanley.
<25 plants estimated in mesic soil within a wetland area, no slope, granodiorite geology. Phenology: flowering.

U.S.A, Idaho, Custer County: Challis National Forest: Southern Salmon River Mountains: unnamed tributary south of Beaver Creek, W of the confluence with Winnemucca Creek, 16.5 air mi NNW of Stanley.
<25 plants estimated in mesic soil within a spruce vegetation, 3 degree slope, NNE aspect, granodiorite geology. Phenology: flowering.

U.S.A., Idaho, Lemhi County: Salmon National Forest: Beaverhead Mountains: Forest Road 187, Lewis and Clark Backcountry Byway, ca 9 air mi NE of Tendoy.
Wet area near spring. Phenology: flowering.
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.
Annotated by Joshua J. Irwin.

U.S.A., Utah, Summit County: North Slope Uinta Mountains: Wasatch National Forest: ca 2 air mi NW of Mirror Lake; ca 8.8 road mi S of Bear River Ranger Station on west side of Utah Hwy 150.
T1S R9E S2 E1/2
Steep slopes with spruce, wet seeps, east aspect. Phenology: flowering & fruiting.

U.S.A., Montana, Madison County: Madison Range: Lee Metcalf Wilderness, Spanish Peaks Unit: Mill Creek to headwaters of Jourdain Creek, ca 6-7 air mi N of Fan Mountain, ca 9-11 air mi ENE of Ennis.
Thicket next to a seep. Phenology: flowering.

U.S.A., Utah, Summit County: North Slope Uinta Mountains: Wasatch National Forest: High Uintas Wilderness: ca 34 air mi S of Evanston, WY.
Lower montane creekside seeps. Phenology: flowering & fruiting.

U.S.A., Colorado, Eagle County: Gore Range: White River National Forest: Lone Lick Lakes, on the north slope of Piney Ridge, ca 8 air mi E of State Bridge.
Forested riparian corridor. Phenology: flowering.
Accession: RM (unaccessioned), Barcode: USFS0061515

U.S.A., Colorado, Summit County: Gore Range: White River National Forest: Eagles Nest Wilderness: North Tenmile Trail, ca 3 air mi W of Frisco.
Trailside seeps and stream crossings in subalpine forest. Phenology: flowering.
Accession: USFS (unaccessioned), Barcode: USFS0061514

U.S.A., Colorado, Delta County: Grand Mesa: Goodenough Reservoir, along Forest Road 128, ca 15.5 air mi NNE of Hotchkiss.
Wet meadow in subalpine. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Ferris Mountains: Miners Canyon on northeastern side of range, ca 16 air mi N of Independence Rock.
Along creek in limber pine-Douglas fir with open areas of sagebrush; Artemisia tripartita common. Phenology: flowering & fruiting.

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
Roadside ditch and adjacent wet slope. Phenology: flowering.
with Crista L O'Conner

U.S.A., Idaho, Idaho County: Clearwater Mountains: Sneakfoot Meadows Research Natural Area: SE of Trail 79 and ca 5 air mi SE of Powell Ranger Station.
Mesic to moist meadow, with low-lying areas of saturation; sinuating channel with considerably deep pools common throughout network of stream. Phenology: flowering.

U.S.A., Idaho, Idaho County: Clearwater Mountains: Bimerick Meadows Research Natural Area: along Bimerick Creek and termination of Forest Road 5545, ca 11 air mi NE of Lowell.
Swampy meadows dominated by Carex utriculata, with slightly elevated areas inhabited by robust communities of Veratrum californicum. Phenology: flowering & fruiting.
with Mike Hays

U.S.A., Oregon, no county County: Deschutes National Forest: upper Dry Creek, NE of Twins.
Slope southeast, 19 deg; moist muck; wet meadow, with sedges, rushes, Limnorchis, knotweed. Common. Phenology: flowering.
Annotated by Linda Wallace on 12//2002.

U.S.A., Utah, Summit County: North Slope Uinta Mountains: Wasatch National Forest: ca 30 air mi S of Evanston; 4 mi S on Forest Service Road 057 to Christmas Meadows, on both sides of the road.
T1N R10E S15 NW1/4; also SW1/4 S10
Willows, seeps, meadow. Phenology: flowering.

U.S.A., Utah, Summit County: North Slope Uinta Mountains: Wasatch National Forest: West Fork Smiths Fork, ca 1.7 air mi S of Wyoming on Forest Road 074.
Meadow, creekside, seeps. Phenology: flowering & fruiting.

U.S.A., Utah, Summit County: [location and coordinates withheld]
Small cold meandering creeks, spruce forest, spongy mossy soils. Phenology: flowering.

U.S.A., Utah, Summit County: North Slope Uinta Mountains: Wasatch National Forest: East Fork Bear River, ca 28 air mi SSE of Evanston, Wyoming.
T1N R10E S1 NE1/4
Wet meadow. Phenology: flowering & fruiting.

Platanthera dilatata var. leucostachys (2000)
Platanthera dilatata (Pursh) Lindl. ex L. C. Beck var. leucostachys (Lindl.) Luer
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.
Marshy spring in open lodgepole pine forest. Phenology: flowering & fruiting.

Platanthera dilatata var. leucostachys (2000)
Platanthera dilatata (Pursh) Lindl. ex L. C. Beck var. leucostachys (Lindl.) Luer
U.S.A., Idaho, Adams County: Payette National Forest and Vicinity: Cuddy Mountains: Goodrich Creek Research Natural Area: along Goodrich Creek, ca 9 air mi SW of Council; ca 8 air mi NNE of Cambridge.
Roadside riparian area in grass and shrub rangeland. Phenology: flowering.
with Denise L. Fairbanks

Platanthera dilatata var. leucostachys (2000)
Platanthera dilatata (Pursh) Lindl. ex L. C. Beck var. leucostachys (Lindl.) Luer
U.S.A., Idaho, Valley County: Payette National Forest and Vicinity: Salmon River Mountains: Boulder Lake Trail from parking lot to western edge of Boulder Lake, ca 8 air mi ESE of McCall; ca 12 air mi NE of Donnely.
Moist areas along trail. Phenology: flowering.
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.
with Erin Peters

U.S.A., Idaho, Valley County: Payette National Forest and Vicinity: Salmon River Mountains: Warren Wagon Road (Forest Hwy 21) at crossing of Copet Creek, ca 9 air mi N of McCall.
Roadside and woodland. Phenology: flowering & fruiting.

U.S.A., Idaho, Valley County: Payette National Forest and Vicinity: Salmon River Montains Area: Lick Creek Road (Forest Road 339) near Lake Fork Guard Station, ca 7 air mi E of McCall; ca 16 air mi ESE of New Meadows.
Sedge bog with Carex buxbaumii. Phenology: flowering.

U.S.A., Washington, Ferry County: Western Colville National Forest and Vicinity: Kettle Range: Trailhead and parking area to Hall Ponds, ca 12 air mi SE of Republic; Forest Road 600 from Hall Creek on west side of Sherman Pass.
Mixed forest of ponderosa pine to subalpine fir. Phenology: flowering.

U.S.A., Washington, Ferry County: Western Colville National Forest and Vicinity: Graves Mountain, ca 16 air mi WNW of Kettle Falls.
Mixed forest, rock outcrops, and east and south slopes of mountaintop. Phenology: flowering.

U.S.A., Washington, Ferry County: Western Colville National Forest and Vicinity: Scalawag Wetland, ca 2.5 air mi SE of Sherman Pass on tributary of South Fork Sherman Creek.
Series of old beaver dams along small creek. Phenology: flowering.

U.S.A., Montana, Chouteau County: Lewis and Clark National Forest: Highwood Mountains: along South Fork Highwood Road, Forest Road 121, ca 2 air mi S of junction with Forest Road 8841.
Upland and cliff area; PSUE, Populus; stream running N to S, west aspect, upland slope 65%; shonkinite. Phenology: flowering.

U.S.A., Montana, Flathead County: Flathead National Forest: Front Range: along Pinnacle Creek Road, ca 17 air mi E of Hungry Horse.
Picea engelmannii/Pseudotsuga menziesii forest; northeast aspect, 0-25% slope; sedimentary rock. Phenology: flowering.
1. Platanthera dilatata (Pursh) Lindl. ex L. C. Beck var. leucostachys (Lindl.) Luer.

U.S.A., Montana, Lewis and Clark County: Lewis and Clark National Forest: Front Range: along South Fork Sun River at campground, ca 1 air mi N of the junction of South Fork Sun River with Wood Creek.
Riparian zone along river; Picea engelmannii/Populus tremuloides/Pseudotsuga menziesii; sandstone/limestone bedrock. Phenology: flowering.
1. Platanthera dilatata (Pursh) Lindl. ex L. C. Beck var. leucostachys (Lindl.) Luer.

U.S.A., Montana: Marshall Gulch.
3. Platanthera dilatata (Pursh) Lindl. ex L. C. Beck var. leucostachys (Lindl.) Luer

U.S.A., Montana, Mineral County: Cyr: South Fork of Fish Creek.
3. Platanthera dilatata (Pursh) Lindl. ex L. C. Beck var. leucostachys (Lindl.) Luer

U.S.A., Montana, Missoula County: Miller Creek Canyon: ca 12 mi from mouth.
Boggy Meadow. Phenology: flowering.
4. Platanthera dilatata (Pursh) Lindl. ex L. C. Beck var. leucostachys (Lindl.) Luer

U.S.A., Montana, Missoula County: Rattlesnake Drainage: foot of Spring Creek Trail.
Annotated by L. Wallace.

U.S.A., Montana, Powell County: Flathead National Forest: along Gordon Creek, 1 mi E of Shaw Creek.
Annotated by L. Wallace.

U.S.A., Montana, Missoula County: Rattlesnake Drainage: foot of Spring Creek Trail.

U.S.A., Montana, Powell County: Flathead National Forest: Big Prairie Ranger Station.
Level slope; deep black loam soil; moist streamside with Carex, Poa, Calamagrostis, Salix. Scattered. Phenology: flowering.

U.S.A., Montana, Lake County: North branch of Squeezer Creek, near Forest Rd 558, ca 2.5 mi E of State Hwy 83.
In clear cut area adjacent to dense Thuja plicata stand. Phenology: flowering.

U.S.A., Montana: 1/2 mi SW of Sprague Creek in ditch along the "Going to the Sun Highway".
Ditch. Phenology: flowering.

U.S.A., Montana, Flathead County: Near Birch Creek, along Forest Road 5392 (Jewel Basin Road), ca 2 mi E of Echo Lake.
Open wet site among Populus and Picea. Phenology: flowering.

U.S.A., Montana, Chouteau County: Lewis and Clark National Forest: Highwood Mountains: along Shonkin Creek at end of Forest Road 8842, ca 2 air mi SSE of forest boundary.
Riparian/flood plain along creek flowing southeast to northwest; 0-15% slope. Phenology: flowering.
1. Platanthera dilatata (Pursh) Lindl. ex L. C. Beck var. leucostachys (Lindl.) Luer.

U.S.A., Montana, Madison County: Madison Range: Papoose Creek, ca 6-7.5 air mi S of Finger Mountain, ca 33 air mi SE of Ennis.
Along a seep in an aspen stand. Phenology: flowering.

U.S.A., Idaho, Lemhi County: Salmon National Forest: Beaverhead Mountains: Freeman Creek valley W of Freeman Peak, 11.1 air mi NE of Salmon.
Well developed soil in hydric Douglas-fir vegetation; 24° slope, S aspect; arenite geology. 26-75 individuals apparent. Phenology: flowering.

U.S.A, Idaho, Lemhi County: Salmon National Forest: Northern Salmon River Mountains: Twin Creek riparian forest along the lower end of Twin Creek Campground, 14.0 air mi N of the town of North Fork.
<25 plants estimated in hydric soil within a Douglas-fir vegetation, 10 degree slope, ESE aspect, quartzite geology. Phenology: flowering.

U.S.A, Idaho, Lemhi County: Salmon National Forest: Northern Salmon River Mountains: Colson Creek Road on the upper east side of the drainage, 12.0 air mi W of Shoup.
<25 plants estimated in hydric coarse textured soil within woody riparian vegetation, 30 degree slope, SSE aspect, gneiss geology. Phenology: flowering.

U.S.A., Idaho, Idaho County: Clearwater Mountains: significant tributary nearby intersection with Sherman Creek Trail 203, ca 3 3/4 air mi NNE of Lochsa Historical Ranger Station.
In riparian of creek. Phenology: flowering.

U.S.A., Idaho, Idaho County: Clearwater Mountains: Lochsa River Corridor: along Trail 204, ca 1000 ft W of Eagle Mountain Trailhead.
Elev. 2680
South-facing draw with ephemeral stream. Phenology: flowering.