Sisyrinchium montanum (1996)
IRIDACEAE
Sisyrinchium montanum Greene
U.S.A., Colorado, Park County: East-central Colorado: Mosquito Range to Plains: Morrison Creek: along the creek and slopes to S rising to Forest Road 550, ca 3 air mi SW of town of Buffalo Creek.
Along the sandy-gravelly banks of the stream and adjacent moist drainages in a grassy meadow. Phenology: fruiting.
Accession: (unaccessioned)

Sisyrinchium montanum (1996)
IRIDACEAE
Sisyrinchium montanum Greene
U.S.A., Colorado, Douglas County: East-central Colorado: Mosquito Range to Plains: Rampart Range: Turkey Creek: along the creek
Open, grassy areas adjacent to stream. Phenology: fruiting.
Accession: (unaccessioned)

Sisyrinchium montanum (1997)
IRIDACEAE
Sisyrinchium montanum Greene
U.S.A., Colorado, Park County: East-central Colorado: Mosquito Range to Plains: Tarryall Mountains: at Clarke Spring drainage and ridge to W, off Forest Road 130 ca 3.3 air mi W of Jefferson.
In a moist wetland in aspen with Potentilla fruticosa. Phenology: fruiting.
with Irene Thien
Accession: RM (unaccessioned)

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: along Second Cottonwood Draw and vicinity, ca 26 air mi SE of Rawlins; ca 7 air mi NW of Saratoga.
Disturbed areas in meadow. Phenology: flowering & fruiting.
Annotations:
1. Sisyrinchium montanum Greene
Annotated by Amy J. Roderick.
with Amy J. Roderick
Accession: RM (unaccessioned)

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: ca 1 mi SW of York or Forest Road 900; ca 11 air mi E of Soda Well; ca 28 air mi NE of Gillette.
Clay and coal breaks with grassy draws. Phenology: flowering & fruiting.
Peter J. Ebertowski, 191. 6/18/2002.
with B. E. Nelson
Accession: RM (unaccessioned)

U.S.A., Montana, Madison County: Madison Range: Beaverhead National Forest: along south side of Indian Creek, 13 mi SE of Cameron, ca 2 mi E of Wonder Ranch.
Elev. 6400 ft.
T8S R2E S30
At the base of north-facing talus slope with Ribes lacustre, Arnica latifolia var. gracilis, and Rubus idaeus var. strigosus. Phenology: flowering & fruiting.
Accession: RM 912634, Barcode: RM0068331

U.S.A., Montana, Carbon County: Pryor Mountains: Custer National Forest: ca 1/2 mi E of Sage Creek Campground, ca 18 mi ESE of Bridger.
Elev. 5800 ft.
Around springs on ridge with Juncus balticus, Iris missouriensis and Crepis runcinata. Phenology: flowering & fruiting.
Accession: RM 619289

U.S.A., Montana, Madison County: [location and coordinates withheld]
Shrubland and narrow riparian area with Toxicodendron rydbergii, Symphoricarpos occidentalis, and Prunus virginiana. Phenology: flowering & fruiting.
Accession: RM 738467

U.S.A., Montana, Carbon County: Beartooth Mountains: Custer National Forest: Sand Dunes Picnic Ground, ca 17 mi NW of Red Lodge.
Elev. 5500 ft.
Meadow opening in lodgepole pine forest with Lupinus wyethii, Delphinium bicolor, Arnica sororia, and Koeleria macrantha. Phenology: flowering & fruiting.
Accession: RM 739471

U.S.A., Montana, Carbon County: Beartooth Mountains: Custer National Forest: ca 0.5 mi N of Emerald Lake along west side of West Rosebud Creek, ca 25 mi W of Red Lodge.
Open seepage along creek with small Pinus contorta, Arnica mollis, Mertensia ciliata, and Carex canescens. Phenology: flowering.

U.S.A., Montana, Stillwater County: [location and coordinates withheld]
Meadow openings in forest with Geum triflorum, Zigadenus elegans, Balsamorhiza sagittata, and Lupinus wyethii. Phenology: flowering.

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

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: West Rosebud Canyon 1/4-1/2 mi SW of power plant, ca 27 mi WNW of Red Lodge.
Wet/moist soil along a small stream with Alnus viridis, Glyceria striata, Urtica dioica, and Mimulus lewisii. Phenology: flowering & fruiting.

U.S.A., Montana, Sweet Grass County: Beartooth Mountains: Gallatin National Forest: Derby Gulch, a tributary of West Bridger Creek, ca 16 mi SSE of Big Timber.
Talus slope and adjacent Douglas fir forest.
Accession: (unaccessioned)

U.S.A., Montana, Sweet Grass County: Beartooth Mountains: Gallatin National Forest: along East Boulder River, ca 4 mi ESE of East Boulder Campground, ca 24 mi S of Big Timber.
Meadow opening in lodgepole pine-Douglas fir forest with Trifolium repens, Polygonum bistortoides, and Lupinus sericeus. Phenology: buds.
Accession: RM 783519, Barcode: RM0100938

U.S.A., Montana, Sweet Grass County: Beartooth Mountains: Gallatin National Forest: Fuller Gulch ca 0.5 mi SE of East Boulder Campground, 20 mi S of Big Timber.
Meadow with Phleum pratense, Trifolium repens, Pedicularis bracteosa, and Lithophragma parviflorum. Phenology: flowering & fruiting.

U.S.A., Montana, Carbon County: Along the east side of the Clarks Fork Yellowstone River and railroad tracks, ca 4 mi N of Fromberg.
Wet meadow/fen with Juncus balticus, Distichlis stricta, and Carex praegracilis. Phenology: fruiting.
Accession: RM 818348, Barcode: RM0014703

U.S.A., Montana, Beaverhead County: Centennial Valley: Beaverhead National Forest: Elk Springs, ca 0.5 mi SW of Elk Lake; 8 mi NW of Red Rock Pass.
T13S R1E S31
Wet soil with Carex nebrascensis, Mimulus guttatus, and Catabrosa aquatica. Phenology: flowering & fruiting.

U.S.A., Montana, Stillwater County: Along Whitebird Creek, ca 10 mi S of Columbus.
Grassland with Bouteloua gracilis, Koeleria macrantha, and Delphinium bicolor. Phenology: flowering.

U.S.A., Colorado, Mineral County: Eastern San Juan Mountains: Rio Grande National Forest: Forest Road 510, Willow Creek, 14 air mi W of Creede.
Creekside. Phenology: flowering.
with Kurt Flaig

U.S.A., Colorado, Clear Creek County: Arapaho National Forest: Front Range: Beaver Meadows and along trail
Meadows. Phenology: flowering.
Annotations:
1. Sisyrinchium montanum Greene
Annotated by Erin Foley.
with Erin and Michael Foley

U.S.A., Colorado, Clear Creek County: Arapaho National Forest: Front Range: Barbour Fork Soda Creek, ca 2.5 air mi SW of Idaho Springs; ca 30-31 air mi W of Denver.
On rocky open southwestern slope and roadside. Phenology: flowering.
with Michael Foley

U.S.A., Colorado, Clear Creek County: Arapaho National Forest: Front Range: ca 1 mi SW of Devils Canyon, ca 7.5 air mi SE of Empire; ca 5 air mi SW of Idaho Springs.
Wet meadows below Artemisia hills and adjacent spruce/lodgepole pine forest. Phenology: flowering & fruiting.

U.S.A., Colorado, Grand County: Middle Park: along Reeder Creek above County Road 33, ca 3 air mi NW of Williams Fork Reservoir; ca 6.5 air mi E of Kremmling.
Wet to moist bench along the creek. Phenology: flowering.
Annotations:
1. Sisyrinchium montanum Greene
Annotated by Erin Foley.

U.S.A., Colorado, Grand County: Middle Park: Wolford Mountain Dam on Muddy Creek, ca 4 air mi NNW of Kremmling, and ca 1 mi W of Wolford Mountain.
Along creek just below dam. 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.
Moist meadow adjacent to spring. Phenology: flowering.

U.S.A., Colorado, Eagle County: Central Colorado: Sawatch Range, West Slope Continental Divide: Whitney Lake area, off Forest Road 703, ca 5 air mi NE of Homestake Reservoir; ca 12 air mi S of Minturn.
Populus tremuloides with scattered Pinus contorta and spruce-fir forest. Phenology: flowering.

U.S.A., New Mexico, Guadalupe County: Santa Rosa: La Pradira Ave. (Blue Hole Road).
T8N R21E S2 SE1/4
Roadside wetland. Phenology: flowering & fruiting.

U.S.A., New Mexico, Guadalupe County: Santa Rosa: E of El Rito, N of La Pradira Ave. (Blue Hole Road).
T8N R21E S2 SE1/4
Roadside wetland. Phenology: flowering & fruiting.

Sisyrinchium montanum ()
Open meadow dominated by grasses, forbs, and willows. Phenology: flowering & fruiting.
, 174. //.

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., Colorado, Gunnison County: Northern Gunnison Basin: ca 9.5 air mi ENE of Parlin.
Along creek; Salix. Phenology: fruiting.
Accession: 776046

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: public access to Big Creek, ca 17 air mi SE of Encampment; ca 7.6 air mi N of Colorado.
Riparian area along creek. Phenology: flowering & fruiting.

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: ca 10 air mi WNW of Edgemont.
In sand and gravel soils of roadside. Phenology: fruiting.

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: canyon N of Moss Agate Creek ca 0.5 - 1 mi S of County Road 9C, 10.5 -11 air mi NW of Edgemont.
In gravel and sand. Phenology: flowering & fruiting.
with B. E. Nelson

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: Harris Bear Camp, Forest Road 636, ca 9 air mi SE of Canjilon.
Mixed conifer forest and grassland. Phenology: flowering.

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: Canjilon Mountain and Canjilon Lakes, ca 7 air mi NE of Canjilon.
Lakeside and adjacent moist areas. Phenology: flowering & fruiting.

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: Cruces Basin Wilderness Area: Cruces Creek S of Cruces Spring, ca 15 air mi WSW of Sublette, ca 5 air mi S of Colorado.
Creek riparian area with Salix species, Alnus tenuifolia, and Picea engelmannii; surrounding dry meadows with Festuca arizonica and Potentilla hippiana. Phenology: flowering & fruiting.
with Robert Peters

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: Sangre de Cristo Range: Sawmill Park, W of Taos Peak, ca 6 air mi W of Eagle Nest.
Large, moderately moist meadow with Deschampsia cespitosa, Potentilla fruticosa, Pleum alpinum, and Potentilla hippiana. Phenology: flowering.

U.S.A., Colorado, San Miguel County: [location and coordinates withheld]
Riparian area with Potentilla and Carex and adjacent uplands with aspen and oak. Phenology: flowering.

U.S.A., Colorado, Montrose County: [location and coordinates withheld]
Riparian area with Salix and aspen on uplands. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Black Hills: Mount Rushmore National Memorial: Starling Basin (drainage SW and S of The Heads), ca 0.5 mi upstream from south park boundary.
Open grassy moist area above creek, with beaked hazel.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: southeast side of Fairfield Hill, ca 6 air mi SW of Lander.
Juniper woodland/sagebrush grassland on steep slopes beneath limestone cliffbands. Phenology: flowering.
Accession: USFS 846268, Barcode: USFS0029125

U.S.A., Colorado, Gunnison County: Southern Gunnison Basin: San Juan Mountains: ca 21.5 air mi NNE of Lake City along Milkranch Gulch and adjacent west- and north-facing slopes; ca 1/4 road mi E of intersection of County Road 27 and Colo Hwy 149; on S side of road.
Heavily vegetated roadside gulch. Phenology: flowering.

U.S.A., Colorado, Saguache County: Southern Gunnison Basin: Sawatch Range: along Indian Creek off of Forest Road 777, ca 4 air mi WSW of Sargents.
Riparian. Phenology: flowering.

U.S.A., Colorado, Saguache County: Southern Gunnison Basin: San Juan Mountains: Gunnison National Forest: along and around Bead Creek, ca 2 air mi SE of Cooper Mountain; ca 6.2 air mi NNE of Sawtooth Mountain.
Sagebrush mountain park with creek. Phenology: fruiting.

U.S.A., Colorado, Montezuma County: Upper Dolores River Drainage and Adjacent Areas: San Juan National Forest: Transfer Campground area, junction of Chicken Creek trail and Rim Trail, ca 6.5 air mi NE of Mancos.
South-facing canyon slope with aspen, spruce-fir, and ponderosa higher on east side, riparian area along creek. Phenology: flowering & fruiting.

U.S.A., Colorado, Dolores County: Upper Dolores River Drainage and Adjacent Areas: San Juan National Forest: Stoner Mesa area, Emerson Campground, Trail #624, ca 16 air mi N of Dolores off Forest Road 535.
South-southeast-facing scattered aspen forest and meadow. Between and around two small reservoirs. Phenology: flowering & fruiting.

U.S.A., Colorado, Dolores County: Upper Dolores River Drainage and Adjacent Areas: San Juan National Forest: Beaver pond along Colo HWY 145, ca 3 air mi N of Rico.
Willow thicket surrounding beaver pond and seepage; scattered blue spruce around perimeter of pond. South to southeast facing. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Wetlands and Adjacent Areas: Threemile Creek, ca 16 air mi SE of Medicine Bow.
Moist banks and flood plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: Wetlands and Adjacent Areas: Big Sandy River, ca 18 air mi NNW of Farson.
Sandy river banks and flood plains. Phenology: flowering.

U.S.A., Wyoming, Albany County: Wetlands and Adjacent Areas: Meeboer Lake, ca 15 air mi SW of Laramie.
Marshy banks. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Wetlands and Adjacent Areas: Mortenson Lake, ca 16 mi SW of Laramie.
Juncus/Alopecurus marsh. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Wetlands and Adjacent Areas: Gelatt Lake, ca 15 air mi SW of Laramie.
Moist banks and flood plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Wetlands and Adjacent Areas: Laramie River, ca 28 air mi SW of Laramie.
Moist banks and flood plains. Phenology: fruiting.

U.S.A., Wyoming, Johnson County: Wetlands and Adjacent Areas: North Fork Crazy Woman Creek, ca 15 air mi SW of Buffalo.
Dry, rocky uplands. Phenology: flowering & fruiting.

U.S.A., Wyoming, Johnson County: Wetlands and Adjacent Areas: Tie Hack Reservoir, ca 12 air mi WSW of Buffalo.
Along moist, rocky lake shore. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Wetlands and Adjacent Areas: Wind River, ca 9 air mi NW of Dubois.
Moist, shaded river banks and flood plains. Phenology: flowering & fruiting.

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Front Range: West Whilte Pine Mountain on Forest Road 100 off Pennock Pass Road (County Road 44H), ca 18 air mi W of Fort Collins.
Steep, south facing, open slopes. Phenology: flowering.

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Front Range: Chicken Park, off Forest Road 181, N of County Road 180 (Creedmore Lakes Road), ca 37 air mi NW of Fort Collins.
Flat, open, montane park in the foothills. Phenology: flowering.

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Front Range: on Young Gulch Trail, S of Colo Hwy 14, S of split of Young Gulch and Prairie Gulch creeks, ca 13 air mi NW of Fort Collins.
Wet creekside with Aquilegia, Fragaria, Ranunculus, and Acer. Phenology: flowering.

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Front Range: near Laramie River Road (County Road 103), ca 8 air mi N of Colo Hwy 14, ca 40 air mi NW of Fort Collins.
Heavily grazed wet creek bottom with Salix. Phenology: flowering.

U.S.A., Wyoming, Crook County: Bear Lodge Range: near the summit of Warren Peak.
44.4788° N, 104.4518° W; NAD 83, uncertainty 0.75 mi., Digital Map
Common on rocky, open east slopes. *elevation ca 6,500 ft* Phenology: flowering.
with Marjorie W. Porter

U.S.A., Wyoming, Crook County: Bear Lodge Range: between Alva and Aladdin.
44.6582° N, 104.3205° W; NAD 83, uncertainty 3 mi., Digital Map
Occasional in open ponderosa pine forest. Phenology: flowering & fruiting.
with Marjorie W. Porter

U.S.A., Wyoming, Crook County: Bear Lodge Range: on Warren Peak, ca 10 mi NW of Sundance.
44.4789° N, 104.4516° W; NAD 83, uncertainty 1 mi., Digital Map
Common in open Pinus ponderosa forest, in wet places with sedges. Phenology: flowering & fruiting.
with Marjorie W. Porter

U.S.A., Colorado, Huerfano County: Sangre de Cristo Range: San Isabel National Forest: ca 5 air mi SW of Cuchara, 0.5 mi W of Bear Lake Campground.
T31S R69W S19
Occasional in coniferous forest dominated by Pinus aristata and Festuca thurberi, adjacent to F. thurberi grassland.

U.S.A., New Mexico, Sandoval County: Santa Fe National Forest and Vicinity: Jemez Mountains: Sierra de los Valles: Pajarito Mountain Ski Area.
Meadowy slope with scattered aspen and ponderosa pine below, spruce at top. Phenology: flowering.
with Brian Reif

U.S.A., New Mexico, San Miguel County: Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Pecos Wilderness: Pecos River W of Albright Creek, 2.5 air mi NE of Cowles; at granitic constricition of canyon.
Riparian of river. Phenology: flowering & fruiting.

U.S.A., New Mexico, San Miguel County: Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Trail 216 in Burro Canyon, 2 air mi E of Elk Mountain summit. N35.765 W105.528 SE 0.4 air mi in canyon bottom to N35.760 W105.523 at creek crossing.
Riparian and open meadow in canyon bottom below forested slopes of spruce. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Antelope Basin.
In moist meadows. Phenology: fruiting.

U.S.A., Wyoming, Albany County: Eagles Peak.
Wet valleys. Phenology: flowering & fruiting.

U.S.A., Wyoming: Horse Creek.
Phenology: flowering & fruiting.

U.S.A., Wyoming, Sheridan County: Whitney Coal Site, Acme Quadrangle.
Seep in sagebrush. Phenology: flowering.
with L. M. Mayer

U.S.A., Wyoming, Sheridan County: Big Horn Coal Site (Jensik Hill), Acme Quadrangle.
Moist soil grassland. Phenology: flowering & fruiting.
with L. M. Mayer and D. C. Hubbard.

U.S.A., Wyoming, Fremont County: Game and Fish East Fork Winter Range: Bear Creek by bridge, ca 9.5 air mi NE of Dubois.
Common gravelly sand to loam on SSE facing, 5% slope of riverbed. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie Mountains: LaBonte Canyon at the Old Fort Fetterman Road; ca 30.5 air mi SE of Douglas.
Rare in aspen bog. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: ca 1/2 mi S of Cougar Creek and 1 mi E of Elk Fork Creek.
In seeps and springs on side of ridge. Phenology: fruiting.

U.S.A., Wyoming, Natrona County: Rattlesnake Hills: Cabin Creek, ca 1 mi S of confluence with Soap Creek, ca 12.5 mi E of Garfield Peak.
Juncus balticus community adjacent to stream channel in narrow riparian zone; soil mixed alluvium with gravel, cobbles, and small boulders. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Laramie Range: Medicine Bow National Forest: Pole Mountain District: W of Eagle Rock, along the North Branch Middle Fork Lodgepole Creek.
Moist bottomland along the creek; common throughout the meadow and along the stream. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Laramie Range: Medicine Bow National Forest: Pole Mountain District: W of Eagle Rock.
North-facing slope; frequent in moist to dry situation in association with grasses, bottom of slope. Phenology: flowering & fruiting.

U.S.A., Wyoming, Laramie County: Southwest edge of Cheyenne
Stream edge. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sheridan County: Sheridan Training Area: ca 1.2 km ESE of Peak 4153, ca 400 m NE of Peak 4355.
Elev. 1290 m.
Infrequent in Artemisia grassland on north to west-facing slope (20-30 deg), soil series 305 Worfka-Shingle-Samday complex, with Artemisia tridentata, A frigida, Stipa comata, Tragopogon dubius, and Koeleria macrantha. Phenology: fruiting.
Patricia P. Douglas, 384. 6/9/1998.
with Nancy E. Hastings

U.S.A., Wyoming, Platte County: Camp Guernsey: ca 0.4 km W of North Platte River, ca 0.6 km N of Cottonwood Creek.
Elev. 1347 m.
zone 13, 509900E, 4686300N; Specimen Label
In intermittent creek bottom and slope on limestone with Delphinium geyeri, Physocarpus monogynus, and Senecio plattensis. Common. Phenology: flowering.
Patricia P. Douglas, 81. 6/12/1995.
with B. E. Nelson, C. A. Popolizio, R. M. Smith

U.S.A., New Mexico, Sandoval County: Valles Caldera National Preserve: Jemez Mountains: San Antonio Creek, 0.2-0.4 air mi E of boundary with Santa Fe National Forest; west end of Valle San Antonio.
Phenology: flowering & fruiting.
with Brian Jacobs

U.S.A., New Mexico, Sandoval County: Valles Caldera National Preserve: Jemez Mountains: Alamo Canyon from Sulphur Creek E to first stock pond (ca 0.5 air mi E).
Stream with sulfur gas, slopes with adjacent forest. Phenology: flowering.
with Brian Jacobs

U.S.A., Wyoming, Fremont County: Near Blue Ridge.
T33N R49W S25
Margins of Pipe Spring near Blue Ridge. Phenology: flowering & fruiting.

U.S.A., New Mexico, Sandoval County: Valles Caldera National Preserve: Jemez Mountains: 0.3-0.7 air mi SE of Puerto de Abrigo in drainage from Cerro del Medio.
Wooded drainage with grassy patches. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: 18 mi NW of Wheatland.
Moist meadow with Symphoricarpos, Populus. Phenology: flowering.

U.S.A., New Mexico, Sandoval County: Valles Caldera National Preserve: Jemez Mountains: Rito de los Indios, ca 2 air mi NE of intersection with the pipeline.
Wooded slopes and stream bottom. Phenology: flowering.

U.S.A., New Mexico, Sandoval County: Valles Caldera National Preserve: Jemez Mountains: Rito de los Indios, ca 2.3 air mi NE of intersection with the pipeline.
Boggy area and nearby stream and spring. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sheridan County: North Piney.
Moist sandy creek bank. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sheridan County: Little Goose Valley, Hanna Creek.
Moist meadows. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sheridan County: East slope Big Horn Mountains: ridge system on north side of Smith Creek ca 7.3 air mi WNW of Dayton.
Locally common on apparently xeric outcrops in area that may receive windblown snow deposits with whitish shaley-limestone slopes and ridgecrests. Phenology: flowering & fruiting.
with Janet Britt

U.S.A., Wyoming, Laramie County: Southeast Plains: F. E. Warren Air Force Base: "Unnamed Drainage", first drainage S of high security area, between boundary to Douglas Street, on north side of Parade Road.
41.64° N, 104.8718° W; NAD 83, uncertainty 0.5 mi., Nat. Geog. TOPO!
Mesic meadow along banks of creek on subirrigated alluvial soil bordering scattered clumps of Salix exigua and patches of Cirsium arvense. Phenology: fruiting.
with Stephanie Mills

U.S.A., Wyoming, Laramie County: Laramie Mountains: ca 22.5 air mi W of Cheyenne, ca 3.5 air mi NE of Buford.
Short grass and open ponderosa pine forest communities with several small stream. Phenology: flowering & fruiting.
William C. Edwards, 188. 7/5/1979.

U.S.A., Colorado, Jackson County: North-central Colorado: North Park: Colo Hwy 125, 0.4 road mi NNE of Cowdrey.
Roadside ditch. Phenology: flowering & fruiting.
Annotated by B. E. Nelson.

U.S.A., South Dakota, Lawrence County: Little Elk Canyon.
T3N R5E S11
Open slopes; under pines. Phenology: flowering.

U.S.A., South Dakota, Lawrence County: Little Elk Canyon.
T3N R5E S11
Open slopes; under pines. Phenology: flowering.
Annotated by Anita F. Cholewa in 1983.

U.S.A., South Dakota, Pennington County: Black Hills National Forest: Negro Creek.
Meadows and parks; Poa pratensis, Carex spp., Salix spp., association; deep silt loam soil; 5% east slope; common. Phenology: flowering & fruiting.
Accession: USFS 443607, Barcode: USFS0067441

U.S.A., South Dakota, Custer County: Black Hills: Black Elk Wilderness: Grizzly Bear Creek near stream, ca 8.0 air mi NE of Custer.
Ponderosa pine, paper birch, bur oak; streamside. Phenology: flowering.

U.S.A., South Dakota, Custer County: Black Hills: Black Elk Wilderness: up first drainage to NE after crossing into Wilderness on Trail #3 up Iron Creek, ca 6.2 air miles NE of Custer.
On gentle slope directly below east-facing rock outcdrop; with ponderosa pine, white spruce and paper birch. Phenology: flowering.

U.S.A., South Dakota, Lawrence County: Deadwood.
T5N R3E S23
Exposed hillsides; grass and xero-mesophytic association. Phenology: flowering.

U.S.A., South Dakota, Lawrence County: Spearfish Creek between Elmore and Savoy.
Meso slope and streamside; spruce and yellow pine association. Phenology: flowering.

U.S.A., South Dakota, Lawrence County: Terry Peak above Trojan.
Mountain slopes; second succession; popple and birch association. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Harney Peak (summit).
Mountain summit; pioneer association. Phenology: flowering.
Annotated by Anita F. Cholewa in 1983.

U.S.A., South Dakota, Lawrence County: Bull Dog Ranch, near Nahant.
Wooded; east-facing slope; yellow pine and lodgepole pine association. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Black Hills: Black Elk Wilderness; rocky slope on SW side of Harney Peak, ca 0.25 air mi SSW of Lookout Tower, ca 5.0 air mi SSE of Hill City.
Moist vegetation mats on granite outcrop; with Adox moschatellina, Doecatheon pulchellum. Phenology: flowering.
with Patches

U.S.A., South Dakota, Custer County: Jewel Cave National Monument: side canyon N off Lithograph Canyon near E boundary.
T4S R2E S1
Phenology: flowering.

U.S.A., South Dakota, Pennington County: Near O'Harra's Cabin, Pactola.
Phenology: flowering.

U.S.A., South Dakota, Perkins County:
Phenology: flowering.

U.S.A., Wyoming, Albany County: [location and coordinates withheld]
Streamside. Phenology: flowering & fruiting.
with T. McGowan

U.S.A., South Dakota, Lawrence County: High (mt.?) in Black Hills.

U.S.A., South Dakota, Custer County: Bluebell Lodge.
Phenology: flowering & fruiting.

U.S.A., Colorado, Rio Grande County: Rio Grande National Forest: near South Fork.
On hillside, northeast exposure in moist sandy soil with wild rose, aster, shrubs and fir trees. Phenology: flowering & fruiting.
Accession: USFS 443605

U.S.A., Colorado, Larimer County: Estes Park Fairgrounds: SW end of racetrack.
Common in small, moist meadow with Juncus balticus, Poa pratensis and Pedicularis crenulata (rare). Phenology: fruiting.

U.S.A., Colorado, Boulder County: Ca 0.1 mi S of junction Hwy 72 and 119.
Scattered in small meadow in willow thicket along road with Juncus balticus, Poa pratensis, Equisetum laevigatum, Hippochaete laevigata and Potentilla fruticosa. Phenology: fruiting.

U.S.A., Colorado, Montezuma County: Montezuma National Forest: LaPlata Mountains: Dolores River: floodplain; ca 2 mi S of Dolores County line on Hwy 145.
Abundant in meadow with Poa pratensis, Phleum pratense, Potentilla gracilis and Trifolium dubium. Phenology: fruiting.

U.S.A., Colorado, Mineral County: Rio Grande National Forest: Rio Grande River: Wagon Wheel Gap: banks of river.
T41N R1E S35 NE1/4 of NE1/4
Scattered in grass-dominated meadow beneath Salix and Populus with Poa pratensis and Juncus balticus. Phenology: flowering & fruiting.

U.S.A., Colorado, Jefferson County: 4 mi E of Arvada.
Grassland. Phenology: fruiting.
Annotated by Anita F. Cholewa in 1983.

U.S.A., Colorado, Park County: 1 mi N of Jefferson.
Low, wet swale in rich muck. Phenology: fruiting.
Annotated by C. O. Erlanson.
Accession: USFS 443474

U.S.A., Colorado, Boulder County: Sheep Mountain Ranch: North St. Vrain Creek.
Granite outcrops above creek. Phenology: flowering.

U.S.A., Wyoming, Laramie County: Laramie Range: ca 3 road mi E of Buford along Lone Tree Creek; ca 23.5 air mi SE of Laramie.
Creekside. Phenology: flowering & fruiting.
with T. McGowan

U.S.A., Colorado, Saguache County: Cochetopa National Forest: Saguache Ranger Station.
Uncommon in meadow on level slope in deep loam. Phenology: flowering & fruiting.
Accession: USFS 443479

U.S.A., Colorado, Gunnison County: Region of the Gunnison Water Shed.
Phenology: fruiting.

U.S.A., Colorado, El Paso County: Colorado Springs.
38.8337° N, 104.8214° W; NAD 83, uncertainty 5 mi., Nat. Geog. TOPO!

U.S.A., New Mexico, Sandoval County: Jemez Mountains: near Fenton.
Meadow. Phenology: flowering.

U.S.A., Colorado, Boulder County: Eldora, mountain above Lost Lake.
Subalpine lake. Phenology: vegetative only.

U.S.A., Colorado, El Paso County: Crystal Park.
Elev. 2600 m.
with E. S. Clements

U.S.A., Colorado, Gunnison County: Gunnison National Forest: Snow Mesa S of Marcellina Mountain.
Locally abundant in dry, open sites on 5% slope, south exposure in deep, clay loam with mustard, pepper grass and Wyethia. Phenology: flowering & fruiting.
Annotated by George T. Turner.

U.S.A., Colorado, Boulder County: Blue Bird Mind.

U.S.A., Colorado, Boulder County: Near Boulder.
Francis Ramaley, sn. 6/2/1905.

U.S.A., Colorado, Larimer County: Estes Park.
George E. Osterhout, 473. 6/21/1894.

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

U.S.A., Colorado, Larimer County: Horsetooth.
George E. Osterhout, sn. 6/17/1915.

U.S.A., Wyoming, Albany County: Laramie Range: Laramie Peak Wildlife Habitat Management Area: ca 31 air mi NE of Rock River.
Creekside. Phenology: flowering & fruiting.
with J. Brondum and T. McGowan

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

U.S.A., Colorado, Archuleta County: Piedra: near Piedra River.
Cottonwood grove. Phenology: flowering & fruiting.

U.S.A., Colorado, Jefferson County: Evergreen.
Along stream. Phenology: flowering & fruiting.

U.S.A., Colorado, Jackson County: Arapaho National Forest: Michegan Ranger Station.
On north slope in fine, swampy soil in willows and sedges. Phenology: flowering & fruiting.

Sisyrinchium montanum ()
U.S.A., Colorado, Mesa County: Battlement National Forest: Johnson Spring Ranger Station: pasture.
Along creek on north aspect in sand. Phenology: flowering & fruiting.
James G. Cayton, 2. 6/26/.

U.S.A., Colorado, Routt County: White River National Forest: Cox hay meadow.
In black loam. Phenology: flowering & fruiting.

U.S.A., Colorado, Custer County: West Cliff: 6 mi SW.
with Hedgcock

U.S.A., Colorado, Las Animas County: Divide: near top of Ratin Pass.
with Hedgcock

U.S.A., Colorado, Boulder County: Colorado Tallgrass Prairie Natural Area: Parcel 7: S of Boulder; at beginning of Hwy 93.
Xeric tallgrass community; moderately steep terraces, soil very cobbly and sandy. Phenology: fruiting.
Kanya Santanachote, 238. 8/19/1989.

U.S.A., Colorado, El Paso County: Pike National Forest: Manitou Park on Mount Deception.
In wet meadow with aspen and willow. Phenology: flowering & fruiting.
Annotated by C. O. Erlanson.

U.S.A., Colorado, Dolores County: Montezuma National Forest: Glade Creek.
In grassland on west slope in clay. Phenology: flowering & fruiting.

U.S.A., Colorado, Dolores County: Montezuma National Forest: Glade Ranger Station.
On north slope in marshy soil with wiregrass. Phenology: fruiting.

U.S.A., Colorado, Las Animas County: Cuchara River: below La Veta.
with F. K. Vreeland

U.S.A., Colorado, Costilla County: Sangre de Cristo Creek.
37.5057° N, 105.3152° W; NAD 83, uncertainty 9 mi., Nat. Geog. TOPO!
with F. K. Vreeland

U.S.A., Wyoming, Albany County: Laramie Range: ca 16 air mi SW of Esterbrook; ca 33 road mi SE of Douglas.
Creekside. Phenology: flowering & fruiting.
with J. Brondum and T. McGowan

U.S.A., Colorado, Conejos County: Sheep Creek: 3 mi SWS of Aspen Glade Campground; 1.7 mi SW of Spruce Hole.
Scattered on moist sandy soil of creek bank with Salix and Populus tremuloides. Phenology: flowering & fruiting.
Patricia P. Douglas, 958. 6/8/1986.

U.S.A., Colorado, Conejos County: Sheep Creek: 3 mi SWS of Aspen Glade Campground; 1.7 mi SW of Spruce Hole.
Scattered on moist sandy soil of creek bank with Salix and Populus tremuloides. Phenology: flowering.

U.S.A., Colorado, no county County: Pike National Forest: Pine Creek.
Rare in grassland in swampy soil. Phenology: flowering.
Philip V. Woodhead, 18-W. 6/12/1916.

U.S.A., Colorado, no county County: Routt National Forest.
Uncommon in mountain meadows in moist land. Phenology: fruiting.

U.S.A., New Mexico, Rio Arriba County: Carson National Forest: Canjilon Ranger Station pasture, also on Magate Peak.
Rare. Phenology: flowering & fruiting.

U.S.A., New Mexico, Colfax County: Philmont Scout Ranch, near Cimarron: Stone Wall Pass.
Occasional in meadow. Phenology: flowering & fruiting.

U.S.A., Colorado, Saguache County: Russell Lake: State Wildlife Area: NW corner of lake; 2 mi S; 1 mi E of Swede Corner.
Common. Phenology: fruiting.
with J. Anderson and H. Dixon

U.S.A., Colorado, Larimer County: Estes Park.
1.
Annotated by Aven Nelson in 1983.

U.S.A., Wyoming, Albany County: Laramie Range: ca 1/4 road mi from upper North Crow Reservoir along the North Branch North Fork Crow Creek, ca 4.5 road mi NNW on County Road 109; ca 15 air mi NE of Laramie.
Creekside and granite outcrops. Phenology: buds.
with J. Brondum and T. McGowan

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Casper Creek along County Road 210, ca 5 air mi ENE of Pine Mountain; ca 34 air mi NW of Casper.
Disturbed saline banks of creek. Phenology: flowering.

U.S.A., Wyoming, Albany County: [location and coordinates withheld]
Wet meadow, streamside. Phenology: flowering.
with T. McGowan

U.S.A., Wyoming, Albany County: Laramie Range: ca 16 air mi SW of Laramie.
Heavily grazed cow pasture. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Laramie Range: just S of Beaver Mountain between Stove Draw and Grouse Creek, ca 6.8 air mi W of Laramie Peak; ca 35.5 air mi S of Douglas.
Along old beaver dams, marshes, and meadows with willow thickets. Phenology: flowering & fruiting.
Annotated by B. A. Packer.

U.S.A., Wyoming, Converse County: Laramie Range: Brae Road, ca 4 mi W of Esterbrook; ca 32 road mi SW of Douglas.
Along wet meadows and unnamed creekbank. Phenology: flowering.

U.S.A., Wyoming, Converse County: Laramie Range: Medicine Bow National Forest: ca 0.5 mi E of Esterbrook Workstation; ca 31 road mi SE of Douglas.
In water. Phenology: flowering & fruiting.

U.S.A., Idaho, Fremont County: Targhee National Forest: Island Park Plateau: Mill Creek, ca 3 air mi NW of Island Park.
Mostly forbs and graminoids with scattered Pinus contorta.

U.S.A., Wyoming, Albany County: Laramie Range: Medicine Bow National Forest: along South Branch North Fork Crow Creek, ca 10.5 air mi SE of Laramie.
Along creek. Phenology: flowering & fruiting.

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., Wyoming, Carbon County: Sierra Madre: Holroyd Park, ca 17.7 air mi SE of Encampment.
T12N R81W S7
Moist meadow near stream. Very few plants; flowers purple. Phenology: flowering.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: along Cottonwood Creek, ca 7 air mi E of Squaw Teat Butte; ca 33 air mi WNW of Thermopolis.
Sand-rock bars.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: along Douglas Creek, ca 9 air mi W of Foxpark, ca 25.5 air mi ESE of Encampment.
Meadow along small stream. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: along Douglass Creek ca 6 air mi above (ESE) the North Platte River, ca 25.5 air mi ESE of Encampment.
Low bench along creek with scattered lodgepole pine. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Powder River Basin: 30.8 mi NNW of Gillette on U.S. Hwy 14-16, 11.9 mi NNE on Recluse-Olmstead Creek Road, ca 6.3 mi NE of Recluse.
Frequent in loamy clay in grassland near a pond with Rumex. Phenology: flowering & fruiting.
with Linda Nelson

U.S.A., Wyoming, Campbell County: Powder River Basin: 30.8 mi NNW of Gillette on U.S. Hwy 14-16, 21.8 mi NNE on Recluse-Olmstead Creek Road, ca 16 mi NE of Recluse.
In wet clay of stream bottom. Common. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Laramie Mountains: 6.2 mi SW of Tie Siding on County Road 31, 0.8 mi N of Colorado, E side of Boulder Ridge.
Common in loam of moist grassland swale with Iris, Anemone, and Dodecatheon. Phenology: flowering.

U.S.A., Wyoming, Laramie County: Laramie Mountains: west slope of northeast peak of Twin Mountains, ca 2 mi E of Remount or Albany County Road 231,
In sandy loam of moist meadow with Juncus, Poa, and Lupinus. Common. Phenology: flowering.
with Linda Nelson

U.S.A., Wyoming, Niobrara County: Just SW of Van Tassel along the Niobrara River, ca. 20 air miles SE of Lusk.
In clay in the river bottom with Juncus and Carex. Sparse. Phenology: flowering.
with Paul Ehrmann

U.S.A., Wyoming, Niobrara County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: ca 8.5 air mi S of Manville, ca 11 air mi SW of Lusk on Wyo Hwy 270.
In barrow pit and upland grassland with Bromus and Cerastium. Occasional. Phenology: flowering & fruiting.
with Paul Ehrmann

U.S.A., Wyoming, Carbon County: Granite Mountain Uplift: ca 5 mi N of the Ferris Mountains, along Little Cherry Creek, ca 6 air mi E of Muddy Gap Junction (Three Forks).
Edge of creek. Phenology: fruiting.

U.S.A., Wyoming, Fremont County: Southeast edge of Trail Lake at inlet of Torrey Creek, ca 8.2 air mi SSE of Dubois; ca 6.9 mi S on Trail Lake Road.
Steep slope at edge of lake. Phenology: fruiting.
with Georgia Haines

U.S.A., Wyoming, Fremont County: Granite Mountain Uplift: Sweetwater River, ca 3 air mi NE of Jeffrey City.
T30N R92W S36
Meadow north of river. Phenology: fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: head of draw to Spotted Horse Creek, ca 3 air mi NW of Spotted Horse.
Deeply eroded ravine, sandstone outcrops, ponderosa pine on slopes; open slope, over sandstone, and moist drainage. Phenology: flowering.
with Ronald L. Hartman

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 6.5 air mi SW of Rockypoint.
Deep ravine in ponderosa pine covered uplift, slopes; slopes. Phenology: fruiting.

U.S.A., Wyoming, Sheridan County: [location and coordinates withheld]
Rolling, sandy plains, sandstone outcrops, ponderosa pine on slopes; pine slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sheridan County: [location and coordinates withheld]
Gravelly bench along creek, willow thickets; bench. Phenology: fruiting.

U.S.A., Wyoming, Sheridan County: ca 7 air mi WNW of Dayton.
Limestone (gypseous) and Chugwater red beds. Phenology: fruiting.

U.S.A., Wyoming, Natrona County: Rattlesnake Mountains: Garfield Peak and northeast slope.
Sandstones, shales, and limestone on lower slopes with granite above; streambanks, open slopes, and limber pine woodlands. Phenology: fruiting.
with Gael Fonken

U.S.A., Wyoming, Fremont County: Ice Slough, ca 9 air mi WNW of Jeffrey City.
Marsh with very boggy peat deposits and adjacent margins. Phenology: fruiting.

U.S.A., Wyoming, Teton County: Mount Leidy Highland Area: Gray Hills: Dallas Creek to Lightning Creek, ca 1 air mi N of west end of Upper Slide Lake.
Shaley barren slopes and adjacent stream bottoms. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 3.5 mi NW of Rockypoint.
Dissected plateau covered by ponderosa pine; open slopes. Phenology: flowering.
with Keith Dueholm

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 8.5 air mi N of Soda Wells.
Rolling hills dissected by stream with some hills bare and with clinkers on top; in wet drainage. Phenology: flowering.
with Keith Dueholm

U.S.A., Wyoming, Campbell County: Powder River Basin: near the Powder River, ca 17 air mi NNW of Spotted Horse.
Eroded hills overlooking river; shaded slope. Phenology: flowering.
with Keith Dueholm

U.S.A., Wyoming, Campbell County: Powder River Basin: White Tail Butte and ravines to the west and south.
Flats, ravines, steep eroded slopes, and butte; moist ravine. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 1 air mi S of Montana and 6.5 air mi W of Wyo Hwy 59.
Dissected slopes near road. Phenology: fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 26 air mi SSE of Gillette.
Stream margin and adjacent flats. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: head of Piney Canyon, ca 22 air mi SE of Reno Junction.
Rocky slopes, stream margins, and ponderosa pine woodlands; moist slope. Phenology: flowering & fruiting.
with Keith H. Dueholm

U.S.A., Wyoming, Sheridan County: Big Horn Mountains: Bighorn National Forest: Boyd Ridge, ca 18 air mi W of Parkman.
Meadows and aspen groves. Phenology: flowering & fruiting.
with Ann Odasz

U.S.A., Wyoming, Johnson County: Big Horn Mountains: North Fork Crazy Woman Creek, ca 13 air mi SW of Buffalo.
Limestone outcrops and rocky slopes, shaded stream side, and aspen woodlands with adjacent meadows; aspen woodland and adjacent meadow. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sheridan County: Wildlife Refuge; ca 3 air mi W of Dayton.
Limestone (gypsum?) outcrop above Chugwater formation red beds; ridge. Phenology: fruiting.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Rattlesnake Hills: Burnt Wagon Draw, ca 6.5 air mi S of Poison Spider or County Road 210; ca 31.2 air mi SW of Casper.
Willow thicket and marsh surrounding drainage. Phenology: flowering & fruiting.

U.S.A., Wyoming, Niobrara County: Southern Powder River Basin/Southeastern Plains: Hartville Uplift: ridge between Wyo Hwy 270 and upper Page Flat Draw, ca 8.3 air mi S of Manville; ca 10.7 air mi SW of Lusk.
Cracks in limestone pavement on ridge top. Phenology: flowering.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Hartville Uplift: Wildcat Hills: between the heads of Willow and Muskrat creeks, ca 43 air mi NNW of Torrington.
42.59° N, 104.6065° W; NAD 83, uncertainty 0.5 mi., Nat. Geog. TOPO!
Meadows in stream bottom. Phenology: flowering.

U.S.A., Wyoming, Platte County: [location and coordinates withheld]
Stony slopes and flats in ponderosa pine woodland. Phenology: fruiting.

U.S.A., Wyoming, Platte County: Laramie Mountains: along Harris Park or County Road 210 ca 1 air mi N of Cottonwood Creek, ca 2 air mi E of Albany County; ca 16 air mi SW of Glendo; ca 24 air mi NW of Wheatland.
Moist swales and low areas. Phenology: flowering.

U.S.A., Wyoming, Crook County: Black Hills: Bear Lodge Mountains: ca 1 mi SE of Warren Peaks, ca 5 air mi NW of Sundance.
Bottom of a draw. Phenology: fruiting.

U.S.A., Wyoming, Crook County: Black Hills: southeast end of Cement Ridge, ca 8 air mi NE of Moskee; ca 16.5 air mi ESE of Sundance.
Open ponderosa pine woods with brushy understory.
with Hollis Marriott

U.S.A., Wyoming, Crook County: Black Hills: Government Valley, ca 8 air mi NNE of Sundance.
Grassland on red shale soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: [location and coordinates withheld]
Grassy slopes below quarry. Phenology: fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Bear Lodge Mountain, Fawn Creek, ca 5.6 air mi SE of Alva.
Birch woods along creek. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Bear Lodge Mountain: upper East Creek drainage ca 5 air mi NNE of Alva.
Birch woods along creek. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: [location and coordinates withheld]
Roadside, pine-oak forest. Phenology: flowering.

U.S.A., Wyoming, Crook County: Black Hills: Bear Lodge Mountains: Lytle Creek and Newton Hill, ca 8.5 air mi ESE of Devils Tower.
Pine-oak forest with many openings (logged). Phenology: fruiting.

U.S.A., Wyoming, Crook County: Black Hills: tributary to Road Creek off The Bank Land, Graham Ranch; ca 13 air mi W of Sundance.
Sagebrush grassland (Artemesia cana). Phenology: fruiting.

U.S.A., Wyoming, Crook County: [location and coordinates withheld]
Grassland; south, east, and northeast-facing slopes. Phenology: fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Dugout Gulch ca 5.5 air mi S of Beulah.
Pine-oak forest, east-facing slope. Phenology: fruiting.

U.S.A., Wyoming, Weston County: Black Hills: upper Soldier Creek drainage, ca 5.2 air mi NE of Four Corners.
Pine forest. Phenology: fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Inyan Kara Mountain (east half).
Grassy east facing slope on outer mountain. Phenology: flowering & fruiting.

Meadow. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: [location and coordinates withheld]
Pine forest on north-west facing slope. Phenology: fruiting.

U.S.A., Wyoming, Weston County: [location and coordinates withheld]
Grassland. Phenology: fruiting.

U.S.A., Wyoming, Weston County: Black Hills: Cold Springs Creek near state line, ca 7 air mi NE of Four Corners.
Spruce forest near creek. Phenology: flowering & fruiting.

Sagebrush-grassland (Artemisia cana and A. tridentata). Phenology: fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Spottedtail Gulch, ca 10 air mi S of Beulah.
Prairie hillsides, with Corylus. Phenology: fruiting.

U.S.A., Wyoming, Crook County: Black Hills National Forest: Bear Lodge Mountains, on Sundance Trail to Tent Canyon, ca 2 mi N of Sundance.
Ponderosa pine/bur oak community. Limestone parent material. Phenology: flowering.

U.S.A., Wyoming, Crook County: Black Hills: East Creek, ca 4 air mi SSW of Mona.
Wooded drainage with ash, hawthorn, and box elder. Phenology: fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Geis Springs and vicinity, ca 5 air mi E of Alva.
Ponds and pond margins and adjacent oak woodlands and prairies; shaded slope. Phenology: fruiting.

U.S.A., Wyoming, Crook County: Black Hills: ridge between Beaver Creek and the Belle Fourche River, ca 5 air mi NNW of Alva.
Sandy ridge with ponderosa pine woodlands and prairies; prairie. Phenology: fruiting.

U.S.A., Wyoming, Crook County: Black Hills: ca 8.5 air mi SE of Hulett.
Wooded stream drainage and sandy prairie; prairie. Phenology: fruiting.

U.S.A., Wyoming, Crook County: Black Hills: 9.5 air mi E of Sundance.
Ponderosa pine slopes, stream bottom, and meadow; rock outcrops and ridge. Phenology: fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Green Mountain, ca 3 air mi E of Sundance.
Plains with outcrops of Chugwater red beds, Pinus ponderosa covered mountain slopes and summit, and moist shaded limestone canyon; partly wooded slopes. Phenology: fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Buckley Canyon, ca 10.5 air mi SE of Sundance.
Wooded ridge (Pinus ponderosa) with sandstone outcrops, sandy slopes, and meadow; meadow. Phenology: fruiting.

U.S.A., Wyoming, Crook County: Black Hills: lower slopes of Hooker Peak and plains to the NW, 7-8 air mi SSE of Sundance.
Plains, Pinus ponderosa wooded slopes, moist open drainages and stock pond; moist drainage and adjacent slopes. Phenology: fruiting.

U.S.A., Montana, Carbon County: Pryor Mountains: Custer National Forest: below Ingram Spring and vicinity on the southwest slope of Big Pryor Mountain, on 19 air mi SE of Bridger.
45.1698° N, 108.5823° W; uncertainty 0.25 mi., GPS reading
Moist meadow. Phenology: flowering & fruiting.
Annotated by B. E. Nelson.
Accession: USFS 883553, Barcode: USFS0051314

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Bates Creek Reservoir, ca 3 air mi E of County Road 402; ca 13.3 air mi N of Shirley Basin townsite.
Wet meadows and edges of reservoir dominated by graminoids; Potentilla anserina common; disturbed. Phenology: flowering & fruiting.

U.S.A., North Dakota, Benson County: Butte.
Prairies. Phenology: flowering.

Sisyrinchium montanum ()
U.S.A., North Dakota: Lake Metigoshe.
Shores of lake. Phenology: flowering & fruiting.
Annotated by C. L. Parter in 1954.
no collector, 315. //.

U.S.A., North Dakota: Valley City.

U.S.A., North Dakota, Grant County: Jonesburg.
Phenology: fruiting.

U.S.A., North Dakota, Richland County: Kindred.
Low sandy prairie. Flowers white. Phenology: flowering & fruiting.

U.S.A., North Dakota, Richland County: Kindred.
Low sandy prairie. Flowers blue. Phenology: flowering & fruiting.

U.S.A., North Dakota: Grand Forks.
High ground. Phenology: flowering.

U.S.A., Montana, Silver Bow County: Butte.

U.S.A., South Dakota, Pennington County: Black Hills National Forest: Nigger Creek.
Slope 5% east; deep silt loam soil; meadow and park; Poa pratensis, Carex spp., Salix spp. Common. Phenology: flowering & fruiting.

U.S.A., South Dakota, Brookings County: Vicinity of Brookings.
Tom A. Williams, s.n.. 6/2/1893.

U.S.A., South Dakota, Brookings County: Near Brookings.
Prairies. Phenology: flowering.
Frank E. Hepner, s.n.. 5//.

U.S.A., Nebraska, Sheridan County: Metcalf Public Hunting Grounds, 13 mi N of Hay Springs.
Open ridges and Pinus ponderosa forest; creek bottom. Phenology: flowering.

U.S.A., Nebraska, Kearney County: Newark.
Harry Hapeman, s.n.. 5/14/1891.

U.S.A., Nebraska, Cherry County:
Low meadow. Phenology: flowering.
Stephen Van Sickle, 47. 6/16/1982.

U.S.A., South Dakota: Harney Peak summit.
Pioneer. Phenology: flowering & fruiting.

U.S.A., Montana, Big Horn County: Bighorn Canyon National Recreation Area: Black Canyon Creek.
Base of small dry open woodland slope immediately above creek; 8% slope, growing on alluvial loam; with Pinus ponderosa, Prunus virginiana, Mahonia repens, Galium boreale, Thalictrum dasycarpum. Uncommon. Phenology: fruiting.

U.S.A., Montana, Teton County: Lewis and Clark National Forest: vicinity of Gibson Lake, parking area just past Mortimer Campground.
T21N R9W S4 NW1/4
Pseudotsuga menziesii, Juniperus scopulorum, Sheperdia canadensis community; Associates: Poa pratensis, Phleum pratense, Dactylis glomerata, Iris missouriensis, Anemone multifida, and Potentilla fruticosa; Meadow area at end of parking area as well as in gravel edge of road. Abundant. Phenology: flowering & fruiting.
with B. J. Cholewa

U.S.A., Montana, Madison County: Harrison: meadow on south side of school.
T2S R2W S1 NE1/4 NE1/4
Community of Juncus balticus, Carex aurea, Poa pratensis, and Iris missouriensis. Abundant. Phenology: flowering & fruiting.

U.S.A., Montana, Powell County: Ca 5.5 mi W of Ovando on Hwy 200: Monture Fishing Access: Monture Creek.
Community of Phleum pratense, Poa pratensis, Juncus spp., and occasional Iris missouriensis. Plants from this population with n=48. Phenology: flowering.

U.S.A., Montana: East side of Bridger Range.
Open hillside. Phenology: flowering.
Annotated by Anita F. Cholewa on 6/3/1983.

U.S.A., Montana, Gallatin County: Foothills of Bridger Range.
Moist open woods. Phenology: flowering.
Annotated by Anita F. Cholewa on 6/3/1983.

U.S.A., Montana, Lewis and Clark County: South of Gibson Lake: Lewis and Clark National Forest: ca 3 mi SW of dam, ca 25 mi NW of Augusta.
High limestone cliffs. Phenology: flowering.
Annotated by Anita F. Cholewa on 6/3/1983.

U.S.A., Montana: Near Pony.
with Ernst A. Bessey

U.S.A., Montana: Flathead Lake.
Damp soil along lake shore. Phenology: flowering & fruiting.

U.S.A., Montana: Flathead Lake.
Damp soil along lake shore. Phenology: fruiting.

U.S.A., Montana, Fergus County: Big Snowy Mountains, ca 20 mi S of Lewiston.
Heavy soil of limestone origin; foothills. Phenology: flowering & fruiting.
with C. V. Muhlick

U.S.A., Montana, Glacier County: Midvale (now East Glacier Park).
Meadows. Phenology: flowering & fruiting.

U.S.A., Montana, Powell County: Near Blackfoot River, ca 16 mi W of Lincoln on Ovando road.
Gravelly prairie bordered by juniper, yellow pine and cottonwood trees. Phenology: flowering & fruiting.
with C. V. Muhlick

U.S.A., Wyoming, Big Horn County: Slopes above Ok-A-Beh boat ramp.
Seeps with Acer negundo. Phenology: flowering & fruiting.

U.S.A., Montana, Carbon County: Beartooth National Forest: Beartooth Mountains: vicinity of Red Lodge Creek.
Pasture; slope 45 degrees southwest; clay loam and coarse gravel soil. Quite scarce. Phenology: flowering.

U.S.A., Montana: Beartooth National Forest.

U.S.A., Montana, Carbon County: Beartooth National Forest: Red Lodge Creek Station.
Rare. Phenology: flowering.
William E. Lockhart, 656. 6/29/1916.

U.S.A., Wyoming, Crook County: Black Hills: Bear Lodge Mountains: Middle Fork Hay Creek, ca 6 air mi E of Alva.
Valley bottom terrace, openings among Corylus cornuta, on moist sand, with Equisetum arvense, Agrostis stolonifera. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Shirley Basin: Dome Rock Reservoir E of County Road 291, ca 4.5 air mi N of Leo.
Cottonwoods, willows, and graminoids on reservoir banks. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Mill Creek NW of gravel pit, ca 3.5 air mi SW of town of Elk Mountain.
Open meadow dominated by grasses, forbs, and willows. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Rattlesnake Hills: northwest end of range S of Dry Creek Road, ca 17.8 air mi SW of Waltman.
Wet meadow of graminoids and forbs. Phenology: flowering & fruiting.

U.S.A., South Dakota, Custer County: Hermosa.
Red foothills; grass association; xero-mesophytic. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Beulah.
Northern foothills and red beds; grass association; xerophytic. Phenology: fruiting.

U.S.A., Wyoming, Platte County: Ca 13 mi N of Guernsey.
42° 27.1' N, 104° 46' W; unknown, , GPS reading
Dry wash, with Pinus ponderosa and Packera. Flowers blue. Phenology: flowering.

U.S.A., Wyoming, Crook County: Ca 1 mi S of Beulah.
44° 31.8' N, 104° 5' W; unknown, , GPS reading
Grassy slope, with Calochortus and Linum. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: Battle Creek and a small tributary from the W, 11 air mi E of Savery.
Riparian community. Phenology: flowering & fruiting.
1. Sisyrinchium montanum Greene.

U.S.A., Wyoming, Platte County: Camp Guernsey: Osburn Ranch parcel; east end of transect ca 3.9 km NE of Guernsey Reservoir, ca 570 m due W of Range Control.
Rolling with walls; narrow canyon with mixed grass shrubland/occasional pine and juniper; silty loam and rock outcrops; with Rhus aromatica, Toxicodendron rydbergii, Clematis ligustifolia, Schizachyrium scoparium, Prunus virginiana, Juniperus scopulorum, Cheilanthes feei. Local; Erect, fibrous rooted, perennial herb; 3.5 dm tall; corolla purpe. Phenology: flowering & fruiting.
with P. Block

U.S.A., Wyoming, Platte County: Camp Guernsey: ca 0.9 km NW of Rocky Pass, ca 1.6 km W of Webb Canyon Road.
zone DMC, 520600E, 4687900N; unknown, GPS reading
Moderate to steep slopes; mixed juniper woodland and mountain mahogany scrubland; rocky loam with cryptogam; shade near dry streambed; with Juniperus scopulorum, Cercocarpus montanus, Yucca glauca, Gutierrezia sarothrae, Stipa spp. Infrequent; erect, fibrous rooted, perennial herb; 3-4 dm tall. Phenology: flowering & fruiting.
Carlos A. Popolizio, 670. 6/11/1996.
with Nancy E. Hasting, Rosalie M. Smith, Donald L. Hazlett

U.S.A., Colorado, Park County: East-central Colorado: Mosquito Range to Plains: off County Road 403 along Forest Road 893 and 891, ca 5 air mi S of town of Lake George.
In moist, open meadow and along the edge of ponderosa pine woods. Phenology: flowering.
with Irene Thien

U.S.A., Colorado, Park County: East-central Colorado: Mosquito Range to Plains: Tarryall Mountains: along tributary of Tarryall Creek, at Forest roads 211D and 211E, off Forest Road 211, ca 4.9 road mi from junction with County Road 77, ca 8 air mi N of town of Lake George.
Open, shrubby wetland with flowing stream. Phenology: flowering & fruiting.
with Irene Thien

U.S.A., Colorado, Teller County: East-central Colorado: Mosquito Range to Plains: Rampart Range: USFS Woodland Park Work Center, 1400 Rampart Range Road or County Road 22, ca 2 road mi N of intersection with U.S. Hwy 24, ca 2 air mi N of Woodland Park.
On slopes in open ponderosa pine forest. Phenology: flowering & fruiting.

U.S.A., Colorado, Park County: East-central Colorado: Mosquito Range to Plains: off Forest Road 101 or Crow Gulch Road along a ridge above the road, and along a drainage of Deer Creek, ca 1.2 air mi S of Highland Park; ca 5.6 air mi NW of Bailey. C1/2
In an older clearcut with a dense stand of 3' - 5' aspen. Phenology: flowering & fruiting.

U.S.A., Colorado, Park County: East-central Colorado: Mosquito Range to Plains: Tarryall Mountains: from a seep at intersection of Forest Road 211 and Forest Road 540 to Corral Creek and surrounding uplands, ca 10 air mi N of town of Lake George.
On the banks of the stream and broad, open wetlands. Phenology: fruiting.

U.S.A., Colorado, El Paso County: East-central Colorado: Mosquito Range to Plains: Front Range: off Forest Road 320 ca 1.5 air mi W of Monument.
In a moist drainage in Gambel's oak/ponderosa pine grassland. Phenology: flowering & fruiting.

U.S.A., Colorado, Teller County: East-central Colorado: Mosquito Range to Plains: Rampart Range: off Forest Road 341A ca 0.2 air mi N of intersection with Forest Road 341 or County Road 782, ca 7.3 air mi NW of Woodland Park.
Along a moist drainage in grassy ponderosa pine forest with granitic-gravelly soils. Phenology: fruiting.

U.S.A., Colorado: Mancos.
In meadows in river bottoms. Common. Phenology: fruiting.
Type Specimen: Isolectotype for Sisyrinchium montanum Greene. Pittonia 4: 33. 1899. Isolectotype: Sisyrinchium montanum E. L. Greene, Pittonia 4: 33. 1899., Anita F. Cholewa 3 June 1983.
Annotated by Anita F. Cholewa on 6/3/1983. Pittonia 4: 33. 1899.
1. Sisyrinchium angustifolium Mill.
Annotated by Marcus E. Jones.
with F. S. Earle, S. M. Tracy

U.S.A., Colorado: Mancos.
In meadows in river bottoms. Common. Phenology: flowering & fruiting.
Type Specimen: Isolectotype for Sisyrinchium montanum Greene. Pittonia 4: 33. 1899. Isolectotype: Sisyrinchium montanum E. L. Greene, Pittonia 4: 33. 1899., Anita F. Cholewa 3 June 1983.
Annotated by Anita F. Cholewa on 6/3/1983. Pittonia 4: 33. 1899.
1. Sisyrinchium angustifolium Mill.
Annotated by Marcus E. Jones.
with F. S. Earle, S. M. Tracy

U.S.A., Colorado: Chicken Creek, La Plata Mountains.
Type Specimen: Syntype for Sisyrinchium montanum Greene. Pittonia 4: 33. 1899. Syntype: Sisyrinchium montanum E. L. Greene, Pittonia 4: 33. 1899., Anita F. Cholewa 3 June 1983.
Annotated by Anita F. Cholewa on 6/3/1983. Pittonia 4: 33. 1899.
1. Sisyrinchium sp..
with F. S. Earle, S. M. Tracy

U.S.A., Colorado: Chicken Creek, La Plata Mountains.
Type Specimen: Syntype for Sisyrinchium montanum Greene. Pittonia 4: 33. 1899. Syntype: Sisyrinchium montanum E. L. Greene, Pittonia 4: 33. 1899., Anita F. Cholewa 3 June 1983.
1. Sisyrinchium sp..

Sisyrinchium montanum var. montanum (1970)
Sisyrinchium montanum Greene var. montanum
U.S.A., Arizona, no county County: Rita Blanca; Unit 18.
Accession: RMRS 363

Sisyrinchium montanum var. montanum (2007)
Sisyrinchium montanum Greene var. montanum
U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: north side of a small unnamed pond on divide between Spring Canyon and the Canadian River, 0.15 air mi S of Colorado and 8 air mi NW of Casa Grande.
Old burn with scattered patches of dead standing Pinus ponderosa, Pseudotsuga menziesii, and Populus tremuloides; site now dominated by rich grassland with Erigeron, Iris, Carex, Senecio. Tepals blue-purple, mucronate at tips, stems in small clumps; common in moist areas. Photographed. Phenology: flowering.
1. Sisyrinchium montanum Greene var. montanum
Annotated by Ben Legler on 3/18/2008.

Sisyrinchium montanum var. montanum (2007)
Sisyrinchium montanum Greene var. montanum
U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: headwaters of the Canadian River 3/4 air mi S of Colorado and 6.8 air mi NNW of Casa Grande.
Open grove of Populus tremuloides with scattered Pinus ponderosa, on gentle north facing slope south of the river. Tepals blue-purple; scattered in open areas. Phenology: flowering.
1. Sisyrinchium montanum Greene var. montanum
Annotated by Ben Legler on 3/18/2008.

U.S.A., Colorado, Las Animas County: Vermejo Park Ranch: in Lorencito Canyon 0.47 mi N of mouth of Cottonwood Canyon; 1.35 air mi N of Colorado and 21 air mi SW of Trinidad.
Gently sloping grassland in canyon bottom, with numerous non-native weeds; soil mesic to dry. Tepals blue-purple; rare along creek banks. Phenology: flowering & fruiting.
1. Sisyrinchium montanum Greene var. montanum
Annotated by Ben Legler on 3/18/2008.

U.S.A., New Mexico, Taos County: Vermejo Park Ranch: slope above east side of Costilla Creek 0.51 air mi ESE of Lake No. 1.
Small, wet, sloping meadow surrounded by mixed spruce-aspen forest, part of meadow excavated for road building material; dominated by Fragaria virginiana, Trifolium longipes, Dodecatheon pulchellum, Astragalus alpinus, Juncus. Tepals blue-purple; scattered in moist to wet soil. Phenology: flowering & fruiting.

U.S.A., Colorado, Las Animas County: Vermejo Park Ranch: small unnamed stream gully on west side of Right Hand Fork of Martinez Canyon, 17 air mi SW of Trinidad.
Dry stream gully in mixed forest of conifers and oaks; streambed sandy, periodically flooded during rainy periods, with Carex, Poa, Juncus. Stems in small tufts in moist sand; uncommon. Phenology: fruiting.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: in meadow 0.7 air mi NNE of summit of farthest north point on Ash Mountain.
Mesic meadow among mixed conifer forest, dominated by grasses including Danthonia, Poa, Festuca. Tepals blue-purple; frequent. Phenology: flowering & fruiting.

U.S.A., New Mexico, Taos County: Vermejo Park Ranch: Culebra Range: meadow along stream in Long Canyon 0.7 air mi W of the uppermost of Seven Lakes; 2 air mi E of summit of Big Costilla Peak.
Wet streamside meadows with scattered small spruces, ranging from saturated, slightly boggy, Carex patches to mesic flats with Juncus, grasses, Fragaria virginiana, Polygonum viviparum, Antennaria, Geranium, and Sisyrinchium. Tepals blue-purple; stems in tufts; common. Phenology: flowering.

U.S.A., New Mexico, Taos County: Vermejo Park Ranch: along Casias Creek where road to Seven Lakes crosses creek; 1.3 air mi N of north end of Costilla Reservoir.
Wet montane meadows dominated by Carex spp., grasses, Achillea millefolium, Rhinanthus minor, Erigeron, Campanula parryi. Tepals blue-purple; stems tufted; common. Phenology: flowering & fruiting.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: small pond on ridgeline between Frankies Canyon and East Fork Chimney Canyon, 6.6 air mi NE of Casa Grande and 1.7 air mi S of NM Hwy 555.
Natural seasonal pond dominated by Carex pellita, Agrostis, Eleocharis acicularis. Tepals blue-purple; uncommon in moist depression. Phenology: flowering & fruiting.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: meadows on south side of mud flat 1.5 air mi E of Castle Rock; 5.5 air mi WSW of Casa Grande.
Dry grassy meadows dominated by Festuca arizonica, Orthocarpus luteus. Tepals pale blue, ca. 5 mm long; uncommon in moist areas. Phenology: flowering & fruiting.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: in head of Salyers Canyon 1.4 air mi S of NM Hwy 555 and 6.1 air mi NE of Vermejo Park.
Grove of Populus tremuloides, bordered by Abies concolor and Pseudotsuga menziesii; understory open. Tepals deep blue-purple; scattered under aspen. Specimen GPS: 36.915291, -104.881104. Phenology: flowering.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: along an unnamed tributary on north side of McCrystal Creek; 3.1 air mi due E of Little Costilla Peak.
Fast flowing stream in mixed forest of Picea engelmannii and Populus tremuloides, with small meadowy openings. Tepals purple; plants scattered in mesic meadow. Specimen GPS: 36.83149, -105.165871. Phenology: flowering.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: in upper part of Tin Pan Canyon 3 air mi upstream from (NW of) junction with Dillon Canyon; 8.5 air mi NW of Raton.
Small groves of mature Quercus gambelii on south side of canyon floor, with Robinia neomexicana, Linaria vulgaris, and grasses. Tepals rich purple; plants scattered in small opening. Photographed. Specimen GPS: 36.958263, -104.578484. Phenology: flowering.

U.S.A., Colorado, Las Animas County: Vermejo Park Ranch: in Bear Canyon between its mouth at Colorow Canyon and mouth of Rock Canyon; 13.4 air mi SW of Trinidad.
Dry stream channel in canyon bottom with areas of saturated soil, bordered by grassy flats and slopes of Pinus ponderosa. Tepals purple; plants scattered in moist soil along stream channel. Specimen GPS: 37.003426, -104.630386. Phenology: flowering.

U.S.A., New Mexico, Taos County: Vermejo Park Ranch: Culebra Range: along Casias Creek 1 air mi N of Beaver Lakes.
Fast-flowing mountain stream bordered by wet meadows with Dasiphora fruticosa, Carex, grasses, Dodecatheon pulchellum, and young Picea pungens; adjacent to mesic meadows. Tepals blue-purple; scattered in wet meadow. Specimen GPS: 36.94965, -105.271469. Phenology: flowering.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: on small unnamed ridge NE of Right Fork York Canyon and S of Patten Canyon; 4.8 air mi NNE of Casa Grande.
Old burn on ridgeline, with scattered live and standing dead Pinus ponderosa, grasses, and Hymenoxys richardsonii var. floribunda. Tufted; uncommon among Festuca arizonica. Specimen GPS: 36.952324, -104.94738. Phenology: fruiting.

U.S.A., Montana, Carbon County: Beartooth Mountains: Custer National Forest: along East Rosebud Creek, ca 3/4 air mi NNE of East Rosebud Lake, ca 19 air mi W of Red Lodge.
Around old beaver ponds and drainage. Phenology: flowering.
with Emily Elliott, Brian Elliott

U.S.A., Montana, Carbon County: Beartooth Mountains: Custer National Forest: along East Rosebud Creek, ca 1 air mi NE of East Rosebud Lake, ca 18 air mi W of Red Lodge.
Granite cliff face and base. Phenology: flowering.
with Brian Elliott and B. E. Nelson

U.S.A., Montana, Park County: Absaroka Mountains: ca 3.5 air mi NNW of National Forest, ca 2 air mi E of Livingston.
Open cobbly hills dominated by low forbs. Phenology: fruiting.
with Brian Elliott

U.S.A., Montana, Park County: Absoraka Mountains: ca 3.5 air mi N of National Forest, ca 4.5 air mi E of Livingston.
Distrubed area used as dump and shooting range. Phenology: fruiting.
with Brian Elliott

U.S.A., Montana, Carbon County: Beartooth Mountains: Custer National Forest: West Fork Rock Creek drainage, adjacent to McDonald Ditch, ca 3 air mi SW of Red Lodge.
45.158° N, 109.3015° W; NAD 83, uncertainty 2 mi., Nat. Geog. TOPO!
Foothills grassland with neighboring cottonwood ditch side. Phenology: fruiting.
with Ronald L. Hartman

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: Platte River Wilderness: along Trail 506 and Douglas Creek, 1 air mi E of Pike Pole Campground, ca 44 air mi SW of Laramie; ca 29 air mi SE of Saratoga.
Mixed spruce-fir forest along creek. Phenology: fruiting.

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: S of Elkhorn Creek and North Platte River area W of Forest Road 534, ca 48 air mi SW of Saratoga.
Along creek. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: [location and coordinates withheld]
Meadows among willow thickets and cottonwood in the river bottom. Phenology: flowering & fruiting.

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Culebra Range: San Isabel National Forest: ca 3/4 trail mi beyond trailhead at end of Forest Road 422.
Along stream; fine-grained, moist soil; dominant species: spruce and aspen. Phenology: flowering & fruiting.
Annotated by Brian Elliott.
with Brian Jacobs and Alex Morgan

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.
Sandy meadow along creek, sagebrush and Salix common. Phenology: flowering & fruiting.
with Patricia E. Lukas

U.S.A., Montana, Lewis and Clark County: U.S. Hwy 287, ca 4 air mi N of Augusta.
47.541° N, 112.365° W; NAD 83, uncertainty 0.25 mi., GPS reading
Road cuts. Phenology: flowering.
Annotated by Rick McNeill.

Annotated by Rick McNeill.
with Rick McNeill

U.S.A., Montana, Teton County: Lewis and Clark National Forest: Front Range: Ear Mountain Trailhead.
Parking lot/picnic area, flat, scattered Populus tremuloides, gravel, open meadow. Phenology: flowering & fruiting.
1. Sisyrinchium montanum Greene var. montanum .
with Addy Wycgans

U.S.A., Montana, Judith Basin County: Lewis and Clark National Forest: Little Belt Mountains: confluence of Lonetree Creek and Bower Gulch on Forest Road 6579, ca 1 mi SW of junction with Forest Road 262 (Lone Tree Road).
Sparsely wooded hill slope; north aspect; 0-30% slope; limestone cliffs. Phenology: flowering.
1. Sisyrinchium montanum Greene var. montanum .

U.S.A., Montana, Carter County: Custer National Forest: Ekalaka Hills: on Forest Road 3102A ca 1-1.5 air mi SE of junction of Mont Hwy 323 and Prairie Dale Road, ca 8-8.5 air mi SE of Ekalaka.
Meadow. Phenology: flowering & fruiting.
with Hans Hallman

U.S.A., South Dakota, Harding County: Custer National Forest: Slim Buttes: from the top down to Window Rock, ca 16-16.5 air mi E of Buffalo.
Grassy lower slopes with near barren clay patches. Phenology: flowering.
with Hans Hallman

U.S.A., South Dakota, Harding County: Custer National Forest: South Cave Hills: N of Brown Johnson Road and Dry Creek, ca 13.5 air mi N of Buffalo.
Lower slope of the butte. Phenology: flowering & fruiting.

U.S.A., South Dakota, Harding County: Custer National Forest: South Cave Hills: upper Casper Gulch on the southwest side of the mesa, ca 11 air mi N of Buffalo.
Canyon bottom with green ash. Phenology: flowering & fruiting.

U.S.A., South Dakota, Harding County: Custer National Forest: Slim Buttes: draws W amd S of Lena Spring No. 1 and adjacent tableland ca 1 air mi E of Saddle Point, ca 17.5 air mi E of Buffalo.
Sides and bottom of steep hardwood draws. Phenology: flowering & fruiting.

U.S.A., Montana, Carter County: Custer National Forest: Long Pines: just W of South Dakota above North Slick Creek and Mill Iron Road, ca 9 air mi NNW of Camp Crook, SD.
Swale. Phenology: flowering.

U.S.A., Montana, Powder River County: Custer National Forest: Ashland District: Red Shale Campground and vicinity on U. S. Hwy 212 above East Fork Otter Creek, ca 6 air mi E of Ashland.
Open ponderosa pine slopes. Phenology: flowering & fruiting.

U.S.A., Montana, Powder River County: Custer National Forest: Ashland District: on the divide between East Fork Otter Creek and Wilbur Creek on Wilbur Creek (Forest Road 4775), ca 13 air mi E of Ashland.
Scoria-clinker ridge and slope with ponderosa pine. Phenology: flowering & fruiting.
Accession: (unaccessioned), Barcode: USFS0050260

U.S.A., South Dakota, Harding County: Custer National Forest: Slim Buttes: ca 0.5 air mi W of SD Hwy 79 on South Divide or Forest Road 3148, in and around Deer Draw, ca 23 air mi SE of Buffalo.
Ash-dominated moist draw. Phenology: flowering & fruiting.

U.S.A., South Dakota, Harding County: Custer National Forest: Slim Buttes: ca 1 air mi W of SD Hwy 79 on JB or Forest Road 115 at southwest end of Square Top Butte, ca 22 air mi SE of Buffalo.
Grass-dominated slopes below siltstone cliffs and outcrops interspersed with badlands. Phenology: flowering & fruiting.

U.S.A., Montana, Carter County: Custer National Forest: Long Pines: Wickham Gulch, in the vicinity of Wickham Spring Number 1, ca 5.5 air mi NW of Camp Crook, SD.
Sandy slope above green ash draw. Phenology: flowering.

U.S.A., South Dakota, Harding County: Custer National Forest: North Cave Hills: between Sawmill Canyon and Devils Canyon, ca 6.5 air mi WNW of Ludlow.
Edge of wet meadow dominated by sedges and grasses. Phenology: flowering.

U.S.A., South Dakota, Harding County: East Short Pine Hills: ca 0.5 air mi N of Forest Road 3111, ca 6 air mi E of Harding.
Wet hardwood draw dominated by green ash. Phenology: flowering.

U.S.A., South Dakota, Harding County: S of SD Hwy 20 ca 3.5 air mi ESE of Jumpoff Divide, ca 9.5 air mi W of Buffalo.
Grass-dominated open, rolling grazing land. Phenology: fruiting.

U.S.A., South Dakota, Harding County: Ca 2.5 air mi N of SD Hwy 20, ca 4.5 air mi NE of Camp Crook near Johnson Butte.
Hardwood draw dominated by green ash, boxelder, and chokecherry. Phenology: flowering & fruiting.

U.S.A., Montana, Rosebud County: Custer National Forest: Ashland Ranger District: in and around Sawmill Gulch near Jackson Sawmill Spring, ca 1.5 air mi of Poker Jim Butte Lookout and ca 20.5 air mi SSW of Ashland.
Partially burned moist gulch dominated by ponderosa pine and snowberry. Phenology: flowering & fruiting.

U.S.A., Montana, Rosebud County: Custer National Forest: Ashland Ranger District: King Mountain Hiking and Riding Area: in and around East Fork O' Dell Creek ca 2.5 air mi E of O' Dell Creek or Forest Road 4131, ca 12.5 air mi S of Ashland.
Green ash and chokecherry-dominated hardwood draw. Phenology: fruiting.

U.S.A., South Dakota, Harding County: Custer National Forest: East Short Pine Hills: along Forest Road 3111 ca 1 air mi NE of Moreau Peak, ca 19 air mi SE of Camp Crook.
Mixed hardwood and ponderosa pine upland. Phenology: flowering & fruiting.

U.S.A., Montana, Carter County: Custer National Forest: Ekalaka Hills: around Aspen Spring, ca 0.5 air mi S of Red Hill and ca 4.5 air mi E of Ekalaka.
Ponderosa pine and green ash-dominated draw. Phenology: fruiting.

U.S.A., Montana, Carter County: Along Tie Creek Road ca 0.5 air mi S of Belltower Butte ca 24 air mi SSE of Ekalaka.
Ponderosa pine and green ash upland mixed with open, grass-dominated areas. Phenology: flowering & fruiting.

U.S.A., Montana, Carter County: Custer National Forest: Chalk Buttes: from the top of the South Chalk Butte, ca 0.5 air mi SE of Alstrom Spring, into Birch Spring Draw, and NE toward Hehn Draw, ca 0.5-2 air mi SW of Trenk Pass, ca 13.5 air mi SW of Ekalaka.
Along road with mixed ponderosa pine and grass-dominated upland. Phenology: fruiting.

U.S.A., Montana, Powder River County: Custer National Forest: Ashland Ranger District: along Beaver Creek Road or Forest Road 4133 at and around Road Creek Reservoir, ca 2 air mi NW of Holiday Campground and ca 14.5 air mi ENE of Ashland.
In and around drainage and reservoir, dominated by sedges and grasses. Phenology: fruiting.

U.S.A., Montana, Powder River County: Custer National Forest: Ashland Ranger District: just S of Forest Road 4785, ca 0.5 air mi SW of Camps Pass and ca 19 air mi ESE of Ashland.
Ponderosa pine and green ash-dominated draw. Phenology: fruiting.

U.S.A., Montana, Carter County: Custer National Forest: Long Pines: in and around Brewer Reservoir, just W of Forest Road 3036, ca 13.5 air mi WNW of Camp Crook, SD.
In and around small draw dominated by aspen and surrounded by open ponderosa pine woodland. Phenology: fruiting.

U.S.A., Montana, Carter County: Custer National Forest: Long Pines: just W of the state line, from Forest Road 3118 to an unnamed reservoir ca 1 air mi N of road, ca 7-8 air mi NNW of Camp Crook, SD.
Historic partial burn with sparse ponderosa pine woodland dominated by grasses. Phenology: fruiting.

U.S.A., South Dakota, Harding County: Custer National Forest: West Short Pine Hills: in and around generally west-facing draws ca 2.5 air mi SSW of JK Butte, ca 10 air mi SSE of Camp Crook.
Shaded hardwood draw dominated by green ash, sedges, and grasses. Phenology: fruiting.

U.S.A., South Dakota, Harding County: On the west side of The Jumpoff, ca 1 air mi E of County Road 897 and ca 3 air mi S of SD Hwy 20, ca 7.5 air mi ESE of Camp Crook.
Aspen-dominated draw. Phenology: fruiting.

U.S.A., South Dakota, Harding County: Custer National Forest: Slim Buttes: in and around draws SE of junction of North Divide or Forest Road 3125 and Forest Road 3145 in the vicinity of Camp Spring, ca 4.5 air mi S of Reva Gap, ca 19 air mi ESE of Buffalo.
Green ash and ponderosa pine-dominated upland draw. Phenology: fruiting.

U.S.A., South Dakota, Harding County: Custer National Forest: Slim Buttes: just SW of Summit Pass on SD Hwy 79, ca 23.5 air mi SE of Buffalo.
Open ponderosa pine and grass woodland. Phenology: fruiting.

U.S.A., Colorado, Huerfano County: [location and coordinates withheld]
Phenology: fruiting.
Annotated by Brian Elliott.
with Craig Freeman

U.S.A., Wyoming, Crook County: Black Hills National Forest: ca 12.5 air mi W (265°) of Spearfish, SD, E of Sand Creek Road in the vicinity of Dugout Gulch; S of Dugout Creek.
North-facing slope S of creek: Betula papyrifera/Ostrya virginiana woodland. USGS Quad:Tinton Survey ID#:10D002 Phenology: flowering & fruiting.

U.S.A., Montana, Powder River County: Ca 0.5 air mi W of Otter Creek Road, ca 0.5 air mi S of Custer National Forest boundary, ca 30 air mi SSE of Ashland.
Ponderosa pine and grass-dominated rolling woodland. Phenology: fruiting.

U.S.A., South Dakota, Harding County: Custer National Forest: North Cave Hills: Icebox Canyon, ca 17 air mi N of Buffalo.
Moist to wet draw with green ash, grasses, and sedges. Phenology: flowering & fruiting.

U.S.A., Montana, Powder River County: To ca 1.5 air mi NW of Moorehead Road, ca 4.5 air mi WSW of Broadus.
Dense juniper-dominated woodland surrounded by grazing and badlands. Phenology: fruiting.

U.S.A., Montana, Powder River County: Custer National Forest: Ashland Ranger District: E of Forest Road 4775, ca 1.5 air mi SE of East Fork Otter Creek Road, ca 2.5 air mi SSW of Holiday Campground, ca 13.5 air mi E of Ashland.
Ponderosa pine-dominated forest with scattered rock outcrops and grass-dominated openings. Phenology: flowering & fruiting.

U.S.A., Montana, Rosebud County: Custer National Forest: Ashland Ranger District: W of Forest Road 4794 in the vicinity of Horse Creek Buttes, ca 6 air mi SE of Poker Jim Butte, ca 23 air mi S of Ashland.
Draw dominated by chokecherry, boxelder, and Symphoricarpos with rock outcrops on margins. Phenology: fruiting.

U.S.A., Montana, Powder River County: Custer National Forest: Ashland Ranger District: N of Forest Road 4409, generally between Cabin Creek Spring and Deer Creek Spring, ca 11 air mi ENE of Ashland.
Sparse ponderosa pine forest with understory of grasses and Artemisia. Phenology: fruiting.

U.S.A., Montana, Powder River County: Custer National Forest: Ashland Ranger District: along Forest Road 4409, ca 1 air mi W of its junction with East Fork Otter Creek Road, ca 14 air mi ENE of Ashland.
Upland ponderosa pine and grass-dominated woodland. Phenology: fruiting.

U.S.A., Montana, Powder River County: Ca 1 air mi N of Belle Creek Road, ca 4 air mi E of its junction with Mont Hwy 59, ca 19 air mi SSE of Broadus.
Grass and sagebrush-dominated grazing land with some moist draws and scattered small areas of badlands. Phenology: fruiting.

U.S.A., South Dakota, Harding County: Custer National Forest: Slim Buttes: in the vicinity of the head of Red Cross Draw, ca 1 air mi N of Reva Gap, ca 18 air mi E of Buffalo.
Moist hardwood-dominated draw. Phenology: fruiting.

U.S.A., Montana, Powder River County: Custer National Forest: Ashland Ranger District: in vicinity between Holiday Campground and SE to Sutton Spring, E of Forest Road 4777, ca 15 air mi ENE of Ashland.
Border of ponderosa pine-dominated woodland and grass-dominated meadow. Phenology: fruiting.

U.S.A., Montana, Carter County: Custer National Forest: Ekalaka Hills: just E of Forest Road 3814, ca 1 air mi ENE of Smith Well, ca 5.5 mi SSW of Ekalaka.
Moist draw dominated by quaking aspen. Phenology: fruiting.

U.S.A., Montana, Valley County: Ridge S of Theony Road just W of Opheim Hills, ca 10 air mi W of Opheim.
Swale with patches of Symphoricarpos and Ribes. Phenology: flowering & fruiting.
with Joseph L. M. Charboneau

U.S.A., Montana, Valley County: Above Hardpan Coulee on Bluff Creek Road, ca 3 air mi S of Saskatchewan, ca 40 air mi N of Hinsdale; ca 57 air mi NNW of Glasgow.
Swale. Phenology: flowering & fruiting.

U.S.A., Montana, Phillips County: W of U.S. Hwy 191, in the vicinity of Whitewater Creek, ca 3 air mi SSW of Morgan Port of Entry, ca 12.5 air mi N of Loring.
Sandy sagebrush-grasslands and hillsides. Phenology: flowering & fruiting.
Joseph L. M. Charboneau, 787. 6/30/2010.

U.S.A., Montana, Phillips County: Little Rocky Mountains: off of Alder Gulch Road (BLM Road 1109), ca 1 air mi SW of Antoine Butte, ca 3 air mi W of Zortman; ca 46 air mi SW of Malta.
Disturbed areas in lodgepole pine forest along roadside. Phenology: fruiting.
Joseph L. M. Charboneau, 2112. 7/24/2010.

U.S.A., Montana, Phillips County: Little Rocky Mountains: above the head of Grouse Gulch ca halfway between Antoine Butte and Silver Peak, ca 2.5 air mi W of Zortman; ca 46 air mi SW of Malta.
Hilly meadow on saddle. Phenology: flowering & fruiting.
Joseph L. M. Charboneau, 2175. 7/24/2010.
with B. E. Nelson

U.S.A., Colorado, Jackson County: North Park: Arapaho National Wildlife Refuge: ca 11 air mi SE of Walden.
Willow riparian area and grassland meadow. Purple flowers. Phenology: flowering.

U.S.A., Colorado, Las Animas County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Park Plateau: Bosque de Oso Wildlife Area, Torres Canyon, SW of Weston.
Riparian with Quercus. Phenology: flowering & fruiting.
with Elizabeth Mark

U.S.A., Colorado, Pueblo County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountains: Colo Hwy 165, ca 4 air mi NW of Rye, at the YMCA Camp.
On a 1 year old burn in Pinus ponderosa. Phenology: flowering & fruiting.

U.S.A., New Mexico, no county County: Santa Fe (Pecos) National Forest.
Annotated by Anita F. Cholewa in 2017. Most likely, base of bracts not visible this side.
1. Sisyrinchium campestre E. P. Bicknell.

U.S.A., New Mexico, Sandoval County: Santa Fe National Forest: Lucero Ranch.
North slope; in clay loam soil. Rare. Phenology: flowering & fruiting.
Annotated by Anita F. Cholewa in 2017. Bracts are connate!
1. Sisyrinchium campestre E. P. Bicknell.

U.S.A., Colorado, Las Animas County: [location and coordinates withheld]
Riparian and wet meadow. Phenology: flowering & fruiting.
with Elizabeth Mark

U.S.A., Colorado, Las Animas County: [location and coordinates withheld]
Riparian, wet meadow, dry meadow, and edge of pinyon-juniper-oak woodland. Phenology: flowering & fruiting.
with Elizabeth Mark

U.S.A., Montana, Valley County: Along Shipp Road above Cherry Creek (S and E), ca 2.5 air mi W of Mont Hwy 24, ca 13 air mi N of Glasgow.
Rolling terrain below and slope of rim with meadows, bare areas, drainage channels, with clay soil, and cobblestone covered areas. Phenology: flowering & fruiting.

U.S.A., Montana, Valley County: Along Rock Creek Road at the south edge of Rock Creek Flats, ca 5 air mi S of Thoeny; ca 24 air mi W of Opheim.
Swale and adjacent slopes. Phenology: flowering & fruiting.

U.S.A., Montana, Phillips County: Spring Coulee, W of U.S. Hwy 191, ca 1.5 air mi W of the Milk River, ca 10.5 air mi NNE of Malta.
Wooded thickets. Phenology: flowering & fruiting.

U.S.A., Montana, Valley County: Windy Ridge and Papoose Creek, ca 1 air mi SSW of Erie Reservoir, ca 15 air mi N of Hinsdale; ca 36 air mi NW of Glasgow.
Moist coulee bottoms and swales. Phenology: flowering.

U.S.A., Montana, Phillips County: Ridge W of Frenchman Creek, N of Frenchman Road, ca 1/4 air mi SW of Frenchman Reservoir, ca 22.5 air mi NNW of Hinsdale; ca 45 air mi NW of Glasgow.
Silty-sandy badlands hillslopes. Phenology: flowering & fruiting.

U.S.A., Montana, Valley County: Near origin of Spring Creek, ca 8.5 air mi E of Laundry Hill, ca 25 air mi SSW of Opheim; ca 24 air mi N of Glasgow.
Moist coulee bottom. Phenology: flowering & fruiting.

U.S.A., Montana, Valley County: Kaminsky Hill and area to the N, ca 3.5 air mi N of the West Fork Poplar River, ca 12.5 air mi NE of Opheim; ca 57 air mi NNE of Glasgow.
Moist hill bottoms with patches of snowberry. Phenology: flowering & fruiting.
with Josh Lamp

U.S.A., Montana, Valley County: Opheim Hills: Slaughter Coulee, ca 6.5 air mi NNE of Pikes Peak, ca 6.5 air mi WNW of Opheim; ca 48 air mi NNE of Glasgow.
Open north-facing slopes with snowberry and bearberry. Phenology: fruiting.

U.S.A., Montana, Phillips County: Matador Ranch: Coburn Butte and prairie to the E, ca 8.5 air mi WSW of Veseth Reservoir, ca 8.5 air mi ESE of Zortman; ca 40 air mi SSW of Malta.
Grasslands at base of butte with sandy soil. Phenology: fruiting.

U.S.A., Montana, Phillips County: Little Rocky Mountains: Beaver Mountain, ca 1 air mi ENE of Green Mountain, ca 3 air mi N of Zortman; ca 42 air mi SW of Malta.
Mixed conifer forest on north-facing slope. Phenology: fruiting.

U.S.A., Montana, Phillips County: Little Rocky Mountains: head of White Horse Canyon, W of Beaver Mountain, ca 2.5 air mi NE of Antoine Butte, ca 3.5 air mi NNW of Zortman; ca 42 air mi SW of Malta.
Open flat surrounded by lodgepole pine forest. Phenology: fruiting.

U.S.A., Montana, Carbon County: Beartooth Mountains: Custer National Forest: West Fork Rock Creek drainage, adjacent to McDonald Ditch, ca 3 air mi SW of Red Lodge.
Foothills grassland with neighboring cottonwood ditch side. Phenology: fruiting.
with Ronald L. Hartman
Accession: USFS (unaccessioned), Barcode: USFS0048181

U.S.A., Montana, Carbon County: Beartooth Mountains: Custer National Forest: along East Rosebud Creek, ca 3/4 air mi NNE of East Rosebud Lake, ca 19 air mi W of Red Lodge.
Around old beaver ponds and drainage. Phenology: flowering.
with Emily Elliott, Brian Elliott
Accession: USFS (unaccessioned), Barcode: USFS0048180

U.S.A., South Dakota, Harding County: Custer National Forest: Slim Buttes: ca 0.5 air mi W of SD Hwy 79 on South Divide or Forest Road 3148, in and around Deer Draw, ca 23 air mi SE of Buffalo.
Ash-dominated moist draw. Phenology: flowering & fruiting.
Accession: (unaccessioned), Barcode: USFS0050635

U.S.A., Montana, Powder River County: Custer National Forest: Ashland District: on the divide between East Fork Otter Creek and Wilbur Creek on Wilbur Creek (Forest Road 4775), ca 13 air mi E of Ashland.
Scoria-clinker ridge and slope with ponderosa pine. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Beartooth Plateau: between Line Creek and Montana at the foot of the plateau; ca 9.5-10.5 air mi NW of Clark; ca 35.5-36 air mi NNW of Cody.
Banks and meadows along the creek. Phenology: flowering & fruiting.
Accession: 863087, Barcode: USFS0042405

U.S.A., Wyoming, Park County: Beartooth Plateau: N of Littlerock Creek at the foot of the plateau; ca 4 air mi E of Deep Lake; ca 7.5 air mi W of Clark; ca 29 air mi NNW of Cody.
In a small seep area on a stony slope. Phenology: flowering.
Accession: 863088, Barcode: USFS0042404

U.S.A., Colorado, Montrose County: Gunnison Basin: BLM Lands W of the town of Cimarron and N of U.S. Hwy 50, ca 15 air mi SSE of Montrose.
Intermittent stream in pinyon/juniper. Phenology: flowering & fruiting.
1. Sisyrinchium montanum Greene var. montanum .

U.S.A., Wyoming, Albany County: West slope Laramie Range: ca 1.1 mi NE of U.S. Hwy 30, ca 3.6 air mi E of downtown Laramie.
Planar outcrops of limestone bedrock, 1% slope, west aspect, in fractures; with Erigeron vetensis, Muhlenbergia filiculmis, Paronychia spp. Phenology: flowering.