Polypogon monspeliensis (1997)
POACEAE
Polypogon monspeliensis (L.) Desf.
U.S.A., Colorado, Fremont County: [location and coordinates withheld]
Along the open, sandy banks of the stream in pinyon-juniper. Phenology: buds.
with Irene Thien
Accession: RM (unaccessioned)

Polypogon monspeliensis (1997)
POACEAE
Polypogon monspeliensis (L.) Desf.
U.S.A., Wyoming, Park County: Northern Absaroka Area: east side of Sheep Mountain, ca 8 air mi SW of top of Cedar Mountain.
Eroded shales and sandstones with wet spots. Phenology: flowering.
with Jim Fowler
Accession: RM 653816, Barcode: RM0041934

Polypogon monspeliensis (1997)
POACEAE
Polypogon monspeliensis (L.) Desf.
U.S.A., Wyoming, Park County: Northern Absaroka Area: ca 3 air mi SE of Cedar Mountain summit.
Elev. 5600 ft.
Clay badlands. Phenology: flowering.
Accession: RM 653891, Barcode: RM0041935

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: along Sand Creek above and below confluence with Coal Draw, ca 20 air mi NW of Bill; ca 46 air mi NNW of Douglas.
Wet meadows and flats along stream channel. Phenology: fruiting.
Annotations:
1. Polypogon monspeliensis (L.) Desf.
Annotated by Peter J. Ebertowski.
with Peter Ebertowski
Accession: RM (unaccessioned)

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: along the Cheyenne River ca 2 air mi below confluence of Antelope Creek and Dry Fork Cheyenne River, ca 18.5 air mi NE of Bill; ca 50 air mi NNE of Douglas.
Wet areas along the river. Phenology: flowering & fruiting.
Annotations:
1. Polypogon monspeliensis (L.) Desf.
Annotated by Peter J. Ebertowski.
with Peter Ebertowski
Accession: RM (unaccessioned)

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: Phillips Creek near bentonite mine, on dirt road ca 2 mi W of County Road 31, ca 23 air mi NNE of Glenrock; ca 34 air mi NNW of Douglas.
Creek bed. Phenology: fruiting.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: Cheyenne River Draw on County Road 31, ca 27 air mi NNE of Glenrock; ca 36 air mi NNW of Douglas.
Creek bed. Phenology: fruiting.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: Spring Creek on County Road 91, ca 28 air mi NE of Gillette; ca 23 air mi NNW of Moorcroft.
Roadside along creek bed. Phenology: fruiting.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: Little Thunder Reservoir on dirt road ca 0.7 mi off Highlight or County Road 52, ca 7.5 air mi SE of Wright; ca 43 air mi S of Gillette.
Shore of reservoir. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: Gibson Draw on Forest Road 973, ca 25 air mi SE of Wright; ca 18.5 air mi NNE of Bill.
Bank along reservoir. Phenology: fruiting.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: Antelope Creek on Forest Road 949, ca 31 air mi SE of Wright; ca 17 air mi NNE of Bill.
Creek bed. Phenology: fruiting.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: Cheyenne River on Dull Center or County Road 7A, ca 34 air mi ESE of Wright; ca 26 air mi NE of Bill.
Streambank. Phenology: fruiting.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: Wild Horse Creek on York or Forest Road 900, ca 27 air mi NNE of Gillette; ca 24 air mi N of Rozet.
Creek bank and floodplain. Phenology: fruiting.
Peter J. Ebertowski, 2536. 8/2/2002.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: Stinking Water Creek on County Road 31, ca 34 air mi SSW of Wright; ca 42 air mi NNW of Douglas.
Grassy creek bottom. Phenology: flowering & fruiting.
Peter J. Ebertowski, 2658. 8/5/2002.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: reservoir on creek immediately W of Sheep Creek and S of its confluence with Sheep Creek, ca 21 air mi NE of Bill; ca 35 air mi SE of Wright.
Creek bank lined by Elaeagnus. Phenology: fruiting.
with B. E. Nelson

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: Beaver Creek upstream and ca 0.8 air mi W of its confluence with Hay Creek, on Old Highway 85, ca 22 air mi SSE of Newcastle; ca 12.5 air mi NNE of Mule Creek Junction.
Creek bank. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: artesian well and creek E of Dugout Creek, ca 1 mi N of its confluence with Dry Fork Cheyenne River, on two-track road, ca 31 air mi SSE of Wright; ca 41 air mi N of Douglas.
Area around well. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: draw running E off Artesian Draw, on Wyo Hwy 387, ca 26 air mi SW of Wright; ca 21 air mi NE of Midwest.
Ravine with narrow stream of coalbed methane well runoff. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: Turner Creek, on Forest Road 914, ca 16 air mi NW of Newcastle; ca 12 air mi ESE of Upton.
Creek bank, redtop and prairie cordgrass abundant. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: Sunny Draw, on two-track off Forest Road 973, ca 23 air mi SE of Wright; ca 53 air mi N of Douglas.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: Brown Springs Creek, on two-track off Ross or County Road 31, ca 32 air mi NW of Douglas; ca 22 air mi NNE of Glenrock.
Area around spring. Phenology: flowering & fruiting.
Peter J. Ebertowski, 7890. 8/8/2003.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: Lake Creek and hills to the E, on Forest Road 1420C, ca 34 air mi SE of Wright; ca 44 air mi NNE of Douglas.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: Little Powder River, on Wyo Hwy 59, ca 11 air mi N of Gillette; ca 30 air mi NW of Moorcroft.
Stream bank. Phenology: fruiting.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: Antelope Creek, ca 0.5 mi W of its confluence with Wildcat Creek, on Forest Road 949, ca 28 air mi SE of Wright; ca 51 air mi NNE of Douglas.
Stream bed. Phenology: flowering & fruiting.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: just S of Legend Rocks State Historical Site along south side of Cottonwood Creek, 28 mi NW of Thermopolis.
Elev. 5400 ft.
T44N R98W S10
Wet soil on tufa deposits along a warm water tributary with Rorippa nastrutium aquatica, Eleocharis palustris and Polypogon monspelicensis. Phenology: flowering & fruiting.
Accession: RM 824599, Barcode: RM0021789

U.S.A., Montana, Carbon County: Along the bottom of Hollenbeck Draw, 1/4 mi E of Mont Hwy 72, 5 mi S of Belfry.
T9S R22E S9
Dry creek bottom and adjacent shrub steppe with Artemisia tridentata var. tridentata, Elaeagnus angustifolia, Halogeton glomeratus, and Euphorbia glyptosperma. Phenology: flowering & fruiting.

U.S.A., Arizona, Coconino County: Tusayan National Forest: Williams.
Elev. 6700 ft.
Wet soil in a ditch. Phenology: flowering & fruiting.
Accession: USFS 427206

U.S.A., Utah, San Juan County: Glen Canyon National Recreation Area: Pyro Hanging Garden, Knowles Canyon.
Elev. 1158 m.
zone 12, 568255E, 4159430N; Specimen Label
Hanging garden.
with C. L. May and Jon Hak
Accession: (unaccessioned)

U.S.A., Arizona, Yavapai County: Prescott National Forest: along Buck Bed Trail.
Browse community in sandy granite rocks on a moderate south slope with oak brush and scarce grass; medium abundance. Phenology: fruiting.
Accession: USFS 427208

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Sweetwater River Drainage: Warm Springs and vicinity, ca 5 air mi S of Sweetwater Station; ca 8 air mi N of Buffalo Basin Oil Field.
Along side of flowing spring; dense, grazed graminoids dominant. Phenology: fruiting.

U.S.A., Wyoming, Fremont County: [location and coordinates withheld]
Shaded streamside; dense thickets of Salix, Rosa, and Ribes, graminoids dominant near water, forbs few; wet peaty soil. Phenology: flowering.
Accession: (unaccessioned)

U.S.A., Wyoming, Fremont County: [location and coordinates withheld]
Sandstone slickrock pour-off; sparsely vegetated. Phenology: fruiting.

U.S.A., Wyoming, Fremont County: [location and coordinates withheld]
Sand bar along river. Phenology: flowering.

U.S.A., Wyoming, Carbon County: [location and coordinates withheld]
Partially vegetated east facing slope with grasses and sagebrush; rocky sandy soil with sandstone outcrops. Phenology: flowering & fruiting.

U.S.A., Arizona, Maricopa County: Near Phoenix, Salt River bottom lands.
Salt River bottom lands. Phenology: flowering.
Annotations:
1. Polypogon monspeliensis (L.) Desf.
Annotated by C. L. Porter.
with Ruth A. Nelson
Accession: RM 153440

U.S.A., Wyoming, Big Horn County: Yellowtail WildlifeManagement Area:
Common along road, north shoulder, on gravel. Level ground, open habitat, gravelly silt. Occurs with Bromus inermis, Polypogon monspeliensis, Kochia scoparia. Phenology: flowering & fruiting.

U.S.A., Wyoming, Johnson County: Eastern Plains: Double Crossing Creek, ca 7 mi SE of Ucross.
Dense Hordeum jubatum meadow on silty-clay floodplain. Phenology: flowering & fruiting.
with Steve Kettler

U.S.A., Arizona, Gila County: Tonto National Forest: 2 mi above Windy Hill, Roosevelt Lake.
T4N R12E S24
Grassland community in deep silt on a level slope with Bermuda grass and tobacco bush; rarely abundant; distributed along river bank. Phenology: fruiting.
Barnard A. Hendricks, 2059. 7/22/1934.
with T. W. Taylor
Accession: USFS 427207

U.S.A., Wyoming, Uinta County: Ca 4 mi NNW of Lyman.
Stream bank with Ranunculus and Hippuris. Phenology: fruiting.
Accession: RM 681463

U.S.A., Wyoming, Platte County: Southeastern Plains: Cooney Creek, near Cooney Hills Road, ca 5.5 mi SW of junction with Palmer Canyon Road SW of Wheatland.
Salix exigua/S. amygdaloides community on fine sandy alluvium with patches of coarse sand and gravel in floodplain; understory with Echinochloa muricata, Agrostis stolonifera, Polypogon monspeliensis, and Asclepias sp. Phenology: fruiting.

U.S.A., Wyoming, Natrona County: Sweetwater River Plateau: west shore of Steamboat Lake, ca 0.3 air mi S of Wyo Hwy 220; ca 4.5 mi NNE of Independence Rock.
Wet flooded meadow of Calamagrostis canadensis and Juncus balticus on brown clay soil. Phenology: fruiting.
with Mary Neigbours

U.S.A., Wyoming, Carbon County: Sweetwater River Plateau: North Bucklin Reservoir, on west side of Wyo Hwy 220, ca 2.5 mi NE of Three Forks and 4.5 mi SW of the Sweetwater River.
Moist sandy openings along northeast and north bank of lake. Patches of semi-bare soil dominated by Polypogon monspeliensis, Distichlis spicata, and Potentilla anserina within openings in more densely vegetated Distichlis/Hordeum jubatum meadow. Phenology: flowering & fruiting.

Polypogon monspeliensis ()
U.S.A., Wyoming, Washakie County:
no collector, 8110. //.

Polypogon monspeliensis ()
U.S.A., Wyoming, Hot Springs County: Sand Draw Ridge, ca 14 air mi NNW of Thermopolis.
Sandy betonite outcrops above tributary of Coal Draw Creek.
no collector, 8110. //.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: along U.S. Hwy 14 at Slack Creek, ca 3 mi E of Wapiti:.
In wet alkaline area. Phenology: flowering & fruiting.

U.S.A., Wyoming, Laramie County:
Sagittaria, Echinochloa. Phenology: flowering & fruiting.

U.S.A., Wyoming, Niobrara County: McMasters Reservoir.
Bank of reservoir with Mentha arvensis, Triglochin. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Saratoga Lake.
Edge of pond with Eleocharis, Typha. Phenology: flowering & fruiting.

U.S.A., Idaho, Bannock County: Havenor's Ranch.
Marshy soil.
Annotated by Ray J. Davis.
Accession: RM 260869

U.S.A., Idaho, Washington County: Payette National Forest and Vicinity: Weiser River Valley: along west bank of Weiser River, just S of Little Weiser River, ca 2 air mi SSW of Cambridge; ca 6 air mi NNE of Midvale.
Riverside and roadside in shrub and grass dominated canyon. Phenology: flowering.

U.S.A., Idaho, Washington County: Payette National Forest and Vicinity: Weiser River Valley: Burton Lane ditch just S of U.S. Hwy 95, ca 1 air mi SE of Cambridge; ca 16 air mi SW of Council.
Weedy roadside irrigation ditch. Phenology: flowering.
with Erin Peters

U.S.A., New Mexico, Guadalupe County: Santa Rosa: La Pradira Avenue (aka Blue Hole road).
T8N R21E S2 SE1/4
Roadside wetland ditches; uncommon. Phenology: flowering & fruiting.

U.S.A., New Mexico, Bernalillo County: Albuquerque.
T10N R3E
Banks of irrigation ditch. Phenology: fruiting.

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Bear River, ca 3.5 air mi N of Leefe.
Riverside meadows, marshes, and willows. Phenology: flowering.
with Ronald L. Hartman

U.S.A., New Mexico, Dona Ana County: Mesilla Valley.
Phenology: flowering & fruiting.
with Paul Standley

U.S.A., Arizona, Gila County: Tonto National Forest: Parker Creek Experimental Forest: Lower Parker Creek Canyon at natural drainages.
T5N R13E S24
Chaparral-browse community in quartzite cliff of canyon on a 10 degree west slope with Quercus turbinella, Garrya and Coleosanthus; distributed on quartzite cliff of canyon; not commonly abundant. Phenology: fruiting.

U.S.A., South Dakota, Custer County: Buffalo Gap National Grassland and Vicinity: ca 17 air mi SE of Hermosa and 12 air mi ESE of Fairburn and 0.5 mi E of County Road 19 near French Creek.
On side slopes and in drainages of creek with sand and gravel soil. Phenology: flowering & fruiting.

U.S.A., South Dakota, Custer County: Buffalo Gap National Grassland and Vicinity: ca 20 mi SSE of Hermosa, next to the Cheyenne River.
In sandy soil on river banks. Phenology: flowering & fruiting.

U.S.A., South Dakota, Custer County: Buffalo Gap National Grassland and Vicinity: ca 14.5-15 air mi SE of Hermosa and 2.4 mi N of County Road 18.
Butte rock slopes and top. Phenology: flowering & fruiting.

U.S.A., South Dakota, Custer County: Buffalo Gap National Grassland and Vicinity: ca 19-19.5 air mi E of Fairburn, Battle Creek.
In and along shores of creek, soils are wet clay and clay with gravel sediments. Phenology: flowering & fruiting.

U.S.A., South Dakota, Custer County: Buffalo Gap National Grassland and Vicinity: ca 1 air mi NW of Redshirt and ca 2 air mi due W of County Road 40, Cheyenne River.
At the shores of river, soils are gravel and sand. Phenology: flowering & fruiting.

U.S.A., South Dakota, Custer County: Buffalo Gap National Grassland and Vicinity: ca 10.5 air mi SE of Fairburn.
Soils are sand overlain with gravel sediments. Phenology: flowering & fruiting.

U.S.A., Arizona, Coconino County: Grand Canyon: Bright Angel Trail.
T31N R2E S23
Sandy soil and canyons. Coconino/Mohave counties. Phenology: fruiting.
Herbert C. Hanson, 741a. 8/6/1923.

U.S.A., Arizona, Cochise County: Chiricahua Mountains; Barfoot Park.
T17S R30E S33
Rolling, andesitic, recently pine-clad area, open westward: introduced. Phenology: fruiting.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: SE of Wardel Reservoir dam, ca 13 air mi WSW of Basin and ca 16 air mi WSW of Greybull.
Freshwater marsh. Phenology: flowering & fruiting.
with Michelle Wilson

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: along County Road 4, ca 4 air mi NE of Thermopolis, E of the Big Horn River.
Riparian with Populus (cottonwood) and Salix. Phenology: flowering & fruiting.

U.S.A., Wyoming, Washakie County: Bighorn Basin: ridge leading NW off Lightning Ridge on the Nowater Trail or BLM Road 1404, ca 10 air mi SW of Big Trails; ca 36 air mi SE of Worland.
Bottom of small canyon below a spring. Phenology: flowering & fruiting.

U.S.A., Wyoming, Washakie County: Bighorn Basin: along Buffalo Springs Creek at Nowater Trail or BLM Road 1404, ca 11 air mi SW of Big Trails; ca 32 air mi SE of Worland.
Flats along the stream channel. Phenology: flowering & fruiting.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: along County Lane 43 and along the Greybull River, ca 2 air mi SE of Otto; ca 10 air mi W of Basin.
Sand bars at the edge of the river. Phenology: flowering & fruiting.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: along Shoshone River and Wyo Hwy 37, ca 0.5 air mi ENE of Lovell.
Riparian. Phenology: flowering & fruiting.
with Michelle Wilson

U.S.A., Wyoming, Big Horn County: Bighorn Basin: along Shoshone River, ca 1.5 air mi E of Byron.
Riparian. Phenology: flowering & fruiting.
with Michelle Wilson

U.S.A., Wyoming, Big Horn County: Bighorn Basin: along Lane 7 and Sage Creek, ca 1.5 air mi E of Deaver and ca 7.8 air mi WNW of Lovell.
Riparian and sagebrush. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Bighorn Basin: along Shoshone River W of Willwood Dam and County Road
Riparian. Phenology: flowering & fruiting.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: along Dry Creek and drainage canal, ca 8.5 air mi W of Greybull.

U.S.A., Colorado, Montrose County: [location and coordinates withheld]
Riparian area with Quercus, Rhus, and Crataegus; pinyon-juniper uplands. Phenology: flowering & fruiting.
Accession: (unaccessioned)

U.S.A., Colorado, San Miguel County: [location and coordinates withheld]
Riparian area with Acer negundo and Salix exigua; warm green water with black anaerobic mud. Phenology: flowering & fruiting.

U.S.A., Colorado, Montrose County: San Miguel and Lower Dolores River Drainages: Dolores River Drainage: Roc Creek.
Riparian area with Salix exigua and Distichlis spicata. Phenology: flowering & fruiting.
with Laura Cosse

U.S.A., Utah, Grand County: San Miguel and Lower Dolores River Drainages: along Dolores River.
Riparian area along river with Salix exigua and Tamarix. Phenology: flowering & fruiting.

U.S.A., Oregon, Wallowa County: Blue Mountains. Northwest side of Bartlett Road, ca 1 air mi NW of Troy.
T6N R43E S32 SE1/4 of
Grass-forb community on east-facing slope, with Elymus spicatus, Bromus tectorum, Oenothera villosa,, Helianthus annuus, and Panicum capillare. Phenology: fruiting.

U.S.A., Arizona, Cochise County: Fort Huachuca Military Reservation: Garden Canyon.
Edge of stream. Phenology: fruiting.

U.S.A., Colorado, Montezuma County: Upper Dolores River Drainage and Adjacent Areas: McElmo Canyon/Rincon Canyon area; ca 4.5 road mi SE of Ismay Trading Post, south-side of McElmo Creek, ca 23 air mi WNW of Cortez.
Southwest-facing, grassland and riparian area surrounding cow pond. Tamarisk, bull-rush, Astragalus and prickly -pear cactus. Phenology: flowering & fruiting.

U.S.A., Colorado, Montrose County: Upper Dolores River Drainage and Adjacent Areas: Slick Rock Canyon, Dolores River, ca 21 air mi W of Naturita in Coyote Wash.
Pinyon-juniper, Fraxinus, Tamarisk, and Salix on east-southeast facing sandstone slopes and canyon walls, seasonal drainage. Phenology: flowering & fruiting.

U.S.A., Colorado, Montezuma County: [location and coordinates withheld]
Pinyon-juniper slopes in canyon, riparian area along river, and disturbed area on west side of river. Phenology: flowering & fruiting.
with Marie Rambo

U.S.A., Wyoming, Carbon County: [location and coordinates withheld]
Moist grassy creek bed. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Wetlands and Adjacent Areas: Big Sandy River, ca 37 air mi NW of Rock Springs.
Moist banks and flood plains. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Wetlands and Adjacent Areas: confluence of Whiskey Creek and Buckley Reservoir, ca 2 air mi NE of Muddy Gap Junction.
Dry creek bed. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Wetlands and Adjacent Areas: Muddy Creek, ca 21 air mi N of Baggs.
Moderately grazed banks and flood plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Wetlands and Adjacent Areas: spring-fed creek, ca 15 air mi NE of Baggs.
Dry creek bed and banks. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Wetlands and Adjacent Areas: Twin Buttes Reservoir, ca 15 air mi SW of Laramie.
Moist sandy beach. Phenology: fruiting.

U.S.A., Wyoming, Goshen County: Wetlands and Adjacent Areas: Horse Creek, ca 8.5 air mi SW of Yoder.
Submerged in slow-moving water. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Wetlands and Adjacent Areas: Antelope Creek and pond formed by damming, ca 14 air mi NNW of Chugwater.
Submerged in standing water. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Wetlands and Adjacent Areas: Gooseberry Creek, ca 36 air mi NNE of Rawlins.
Heavily grazed moist banks and flood plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Wetlands and Adjacent Areas: confluence of Horse Creek and Fish Creek, ca 34 air mi SW of Casper.
Moist banks and flood plains. Phenology: fruiting.

U.S.A., Wyoming, Uinta County: Wetlands and Adjacent Areas: Muddy Creek, ca 11 air mi NW of Lyman.
Moist banks and flood plains. Phenology: fruiting.

U.S.A., Wyoming, Fremont County: Wetlands and Adjacent Areas: Crooks Creek, ca 6 air mi S of Jeffrey City.
Moist banks. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Wetlands and Adjacent Areas: Carr Reservoir, ca 17 air mi SE of Lander.
Moist banks and shorelines. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Wetlands and Adjacent Areas: Ocean Lake, ca 18 air mi NW of Riverton.
Moist shoreline and flood plains. Phenology: fruiting.

U.S.A., Wyoming, Washakie County: Wetlands and Adjacent Areas: Brokenback Creek, ca 6 air mi NNW of Ten Sleep.
Along moist creek banks. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Wetlands and Adjacent Areas: Bridger Creek, ca 3 air mi NW of Lysite.
Moist creek banks and exposed creek bottom. Phenology: flowering.

U.S.A., Wyoming, Johnson County: Wetlands and Adjacent Areas: man-made lake, ca 15 air mi SSE of Buffalo.
Moist lake shore. Phenology: flowering.

U.S.A., Wyoming, Johnson County: Wetlands and Adjacent Areas: North Fork Powder River, ca 4 air mi NW of Kaycee.
Along moist river banks and flood plains. Phenology: flowering.

U.S.A., Wyoming, Johnson County: Wetlands and Adjacent Areas: Blue Creek, ca 15 air mi WSW of Kaycee.
Along moist creek banks. Phenology: flowering.

U.S.A., Wyoming, Hot Springs County: Wetlands and Adjacent Areas: Big Horn River, ca 4 air mi S of Thermopolis.
Emergent in water immediately adjacent to river bank. Phenology: flowering.

U.S.A., Wyoming, Hot Springs County: Wetlands and Adjacent Areas: Big Horn River, ca 4 air mi S of Thermopolis.
Along moist river bank. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Wetlands and Adjacent Areas: Brokenback Creek, ca 6 air mi NNW of Ten Sleep.
Moist creek banks. Phenology: flowering.

U.S.A., Wyoming, Weston County: [location and coordinates withheld]
Moist creek banks and hummocks Phenology: flowering.

U.S.A., Washington, Okanogan County: 1 mi NW of Winthrop.
Edge of swampy type site.
Annotated by Charles Feddema in 1972.
with Dorothy Naas

U.S.A., Washington, Okanogan County: 3.5 mi NE of Winthrop.
Scattered plant of very damp ground.
with Dorothy Naas

U.S.A., Idaho, Bear Lake County: Ca 1 mi NE of Dingle
Stream bank with Bidens cernua, Ranunculus cymbalaria. Phenology: flowering & fruiting.

U.S.A., Washington, Walla Walla County: Seaman Rd. from Lewis Peak Rd. to Dry Creek Rd., .5 mi E of end of winter maintenance.
South facing grassy hillside near mudhole. Phenology: flowering & fruiting.

U.S.A., Oregon, Wheeler County: Between Sutton Mountain and Bridge Creek, 10 mi NW of Mitchell.
Moist places along intermittent stream. Phenology: flowering & fruiting.

U.S.A., Oregon, Wallowa County: Wallowa National Forest.
Between 16 Jun 1907 and 2 Oct 1908
Annotated by Hitchcock & Weintraub.

U.S.A., Idaho, Canyon County: Nampa.
Wet sand bars. Phenology: fruiting.
with J. F. Macbride

U.S.A., Idaho, Canyon County: Nampa.
Wet creek margins. Phenology: flowering & fruiting.
with J. F. Macbride

U.S.A., Idaho: Twin Falls and Shoshone Falls.
Mossy places.
with J. F. Macbride

U.S.A., Idaho, Power County: American Falls.
On wet boggy ground. Phenology: flowering & fruiting.

U.S.A., Oregon, Baker County: 5 mi S of North Powder.
In water of roadside ditch.

U.S.A., Oregon, Grant County: Malheur National Forest: Maggot Springs.
Near water, damp soil. Phenology: flowering & fruiting.

U.S.A., Oregon, Crook County: Slayton Lane in Ochoco Forest.
Wet swampy meadow. Phenology: flowering & fruiting.

U.S.A., Oregon, Grant County: Johnny Kirk Spring, John Day.
Sandy loam, gravel beneath along river.

U.S.A., Oregon, Union County: La Grande Valley, near Alicre Station.
Near cove in ditch.

U.S.A., Oregon, Jackson County: Rogue River, Woodville.
On sand bars. Phenology: flowering & fruiting.

U.S.A., Idaho, Bannock County: Birch Creek, District 11.
Wet areas. Phenology: flowering & fruiting.

U.S.A., Idaho, Elmore County: Glenns Ferry; public access area along Snake River.
Sandy bank of river channel. Phenology: flowering & fruiting.

U.S.A., Idaho, Canyon County: Vicinity of W.S.G.S. river transect 3R.
Low bank along river channel. Phenology: flowering & fruiting.

U.S.A., Oregon, Jackson County: Crater National Forest, Medford.
Dry gravelly loam. Phenology: flowering.

U.S.A., Oregon, Lake County: Shirk.
Elev. 1500 m.
Phenology: flowering & fruiting.

U.S.A., Washington, Snohomish County: Marysville.
Tide flats. Phenology: flowering & fruiting.

U.S.A., Washington, Clallam County: Clallam Creek.
Phenology: flowering & fruiting.
with 8 Jun 1915

U.S.A., Idaho, Ada County: Boise.
Sandy stream edge. Phenology: fruiting.
Annotated by Aven Nelson.

U.S.A., Washington: Port Trunsend.
Salt March about sea level. Phenology: flowering & fruiting.

U.S.A., Washington, Whitman County: Snake River at Wawawai.
Sandy bank of river. Phenology: flowering & fruiting.
with Ruth P. Ownbey

U.S.A., Oregon, Lake County: Fremont National Forest.
Moist clayey loam. Phenology: flowering & fruiting.

U.S.A., Washington, Okanogan County: 1 mi NW of Winthrop.
Edge of swampy type site.
Annotated by Charles Feddema in 1972.
with D. Naas

U.S.A., Washington, Okanogan County: 3.5 mi NE of Winthrop.
Scattered plant of very damp ground.
with D. Naas

U.S.A., Washington, Douglas County:
with Leiberg

U.S.A., Idaho, Canyon County: Caldwell.
In ditches. Phenology: fruiting.
Annotated by C. L. P..

U.S.A., Oregon, Klamath County: Vicinity of Klamath Falls.
Wet ground. Phenology: flowering & fruiting.

U.S.A., New Mexico, Grant County: Mangas Springs, 18 mi NW of Silver City.

U.S.A., Wyoming, Converse County: Near La Prele Reservoir.
42.6937° N, 105.6056° W; NAD 83, uncertainty 2 mi., Digital Map
In shallow water. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: 5 mi N of Wheatland.
42.1293° N, 104.9359° W; NAD 83, uncertainty 1 mi., Digital Map
Moist gumbo soil, streambank. Phenology: fruiting.

U.S.A., Wyoming, Albany County: On Laramie River near Howell, 10 mi NW of Laramie.
41.4138° N, 105.6162° W; NAD 83, uncertainty 0.75 mi., Digital Map
Moist, alkaline stream bank. Phenology: flowering & fruiting.
with Marjorie W. Porter

U.S.A., New Mexico, Dona Ana County: Jornada Range Reserve: near top of San Andres Peak.
Browse-grass community in gravelly soil on a 20 degree west slope with blue grama and scrub oak; scattering abundance; distributed in foothills and mountains. Phenology: flowering & fruiting.
with R. H. Canfield

U.S.A., New Mexico, Rio Arriba County: Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Arroyo de los Encinos, 3.5 air mi ENE of Chimayo; from small springs and mature cottonwoods at base of sedimentary formation/cliffs to S 0.3 air mi in dry wash.
Desert shrubland with spring above and narrow, excised dry wash through soft sediment below. Phenology: fruiting.

U.S.A., New Mexico, San Miguel County: Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Anton Chico Grant: 5 air mi ENE of Villanueva. N35.2365 W105.2558 to NE 0.5 air mi along Pecos River.
River bottom, mostly juniper with Russian olive and narrowleaf cottonwood. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Shirley Basin Reservoir N of Wyo Hwy 77, ca 25 air mi NW of Medicine Bow townsite.
Saline lake shores bordered by rabbitbrush and greasewood. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Ca 24 air mi SE of Riverton.
Growing in sticky muck-ooze of saline-riparian drainageway with Triglochin maritima, Juncus Balticu, Hordeum jubatum, Eleocharis and Carex. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Granger.
Aven Nelson, s.n.. 8//1900.

U.S.A., Wyoming, Fremont County: Boysen Reservoir near the causeway. .
Betsy Schimelpfenig, 110. 9/8/1988.

U.S.A., Wyoming, Fremont County: Little Popo Agie River.
Temporary ponds. Phenology: flowering & fruiting.

U.S.A., Arizona, Gila County: Tonto National Forest: Porter's Springs.
Grass community in deep, rich loam on a 10 degree north slope with Bermuda grass; commonly distributed. Phenology: fruiting.
Shirley E. Bliss, 5. 7/8/1931.

U.S.A., Wyoming, Albany County: On Mr, Jones Ranch on Little Laramie River.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: sand dunes W of County Road 351, ca 4.4 air mi SW of Seminoe Dam; ca 23.5 air mi NE of Sinclair.
Sandy banks of pond nestled in sand dunes; dominated by graminoids. Phenology: flowering.

U.S.A., New Mexico, no county County: Gila National Forest: 0.5 mi NW of Log cabin mine.
Meadow community in wet loam on a level slope with sedges and rushes; not abundant; distributed in moist areas. Phenology: flowering & fruiting.

Polypogon monspeliensis ()
U.S.A., Wyoming, Platte County: East of Wheatland.
Ditch bank. Phenology: flowering & fruiting.
Gregory P. Hallsten, 101. 7/9/.
with Q. D. Skinner and A. A. Beetle

U.S.A., Arizona, Coconino County: Painted Desert near Tuba.
Common in wet grounds. Phenology: fruiting.

U.S.A., Wyoming, Washakie County: Worland.
Weed in a garden. Phenology: flowering & fruiting.

U.S.A., Arizona, Navajo County: Navajo Indian Reservation: Betatakin Ruins.
Common. Phenology: fruiting.

U.S.A., Wyoming, Platte County: Along Kinney Creek, 32 road mi NW of Wheatland.
Elev. 1620 m.
T27N R69W S19
Creek banks, dry, usually wet early spring and summer. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Laramie River, 12 road mi NE of Wheatland.
Creek banks and grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Laramie River, 12 road mi NE of Wheatland.

U.S.A., Wyoming, Platte County: Along Brush Creek, 17 road mi E of Wheatland.
Creek banks, dry, some standing water. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Between Fish Creek and Fish Creek Road, 18 road mi NW of Wheatland.
Stock ponds and drainage of ponds. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sheridan County: Acme Quadrangle: Big Horn Coal Site, Hidden Water Creek.
In moist soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sheridan County: Sheridan Training Area: drainage running southeast/northwest, ca 0.3 km NE of Peak 4290, 1.8 km ESE of Peak 4202.
Local in Artemisia grassland on level to 35 deg clay loam, soil series Parmleed-Renohill complex and Worfka-Shingle-Samday complex, with Artemisia tridentata, A. frigida, A. cana, Alopecurus aequalis, and Bromus tectorum. Phenology: flowering.
Patricia P. Douglas, 230. 7/7/1997.
with N. E. Hastings

U.S.A., Wyoming, Platte County: Camp Guernsey: 0.1 km E of Warm Springs, along Emigrant Trail.
Local on level floodplain in sandy silt to sandy loam with Equisetum sp., Populus, Salix, and Bromus spp. Phenology: flowering & fruiting.
Patricia P. Douglas, 356. 6/28/1995.
with R. M. Smith, N. E. Hastings

U.S.A., Wyoming, Campbell County: Black Thunder Strip Mining Area: North Prong of Thunder and Little Thunder creeks.
Stream bottom wet; Saltgrass, western wheatgrass, blue grama; loamy bare clayey soil ( Absted and Bone Series.) Phenology: flowering & fruiting.
with D. W. Sabinske

U.S.A., Wyoming, Sweetwater County: BLM Rawlins District: Lower Powder Spring.
Moist meadow. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Saratoga Lake E of Wyo Hwy 130, ca 1.2 air mi ENE of Saratoga; ca 18 air mi N of Encampment.
Wetlands and disturbed gravelly area surrounding lake. Phenology: flowering.

U.S.A., Wyoming, Niobrara County: McMasters Reservoir.
Bank of reservoir with Mentha arvensis var. canadensis and Triglochin martimum var. elatum.

U.S.A., Wyoming, Niobrara County: McMasters Reservoir.
T31N R61W S14 N1/2 of NE1/4 of
Bank of reservoir with Mentha arvensis, Triglochin. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: Saratoga Lake.
T17N R84W S1
Edge of pond with Eleocharis, Typha. Phenology: flowering & fruiting.

U.S.A., Wyoming, Uinta County: Ca 4 mi NNW of Lyman.
Stream bank with Ranunculus and Hippuris. Phenology: fruiting.

U.S.A., Wyoming, Goshen County: Fort Laramie National Historic Site: near mouth of Deer Creek.
On island of creek with Juncus and Hordeum. Uncommon. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Gas Hills: along Willow Spring Creek, 24-25 air mi NE of Jeffrey City.
Ronald G. Schreibeis, GH-203. 7/26/1976.

U.S.A., Wyoming, Big Horn County: 8-9 mi W of Basin along the Greybull River.
Common in riparian zone near reservoir. Phenology: flowering & fruiting.
with Valerie Scheibeis

U.S.A., Wyoming, Lincoln County: Close to Kemmerer.
with Kern and Naylor

U.S.A., Wyoming, Goshen County: Wyoming Game and Fish Department's Rawhide unit along the North Platte River, ca 3.3 air mi SE of Lingle, ca 6.8 air mi WNW of Torrington.
Steve Kilpatrick, RH90. 6/9/1982.
with J. L. Robinson

U.S.A., Wyoming, Platte County: Southeastern Plains: ca 1.5 air mi W of I-25, adjacent to Brookie Road, north end of Wheatland.
Fallow field dominated by Bromus inermis at edge of grove of Populus deltoides and Elaeagnus. Phenology: flowering.
with Jane Struttmann

U.S.A., Wyoming, Fremont County: Sweetwater River Valley; TNC Sweetwater Preserve: south bank of the Sweetwater River and Alkali Creek drainage, ca 5 air mi Sw of Sweetwater Station.
Dry sand bar in bend of river channel; sapling willows present; with Deschampsia cespitosa and Potentilla anserina. Phenology: flowering & fruiting.

U.S.A., Arizona, Gila County: Tonto National Forest; 2 miles above Windy Hill; Roosevelt Lake; dry bed.
Phenology: fruiting.
Barnard A. Hendricks, 2059. 7/22/1934.
with T. W. Taylor
Accession: RMRS (unaccessioned)

U.S.A., Arizona, Gila County: Tonto National Forest; Three Bar B; Rock Creek.
Phenology: fruiting.
Accession: RMRS (unaccessioned)

U.S.A., New Mexico, no county County: Cienega Spring.
Phenology: fruiting.
Accession: RMRS (unaccessioned)

U.S.A., Arizona, Gila County: Tonto National Forest; Porter's Springs.
E. Shirley Bliss, 5. 7/8/1931.

U.S.A., Arizona, Gila County: Tonto National Forest: Parker Creek Experimental Forest: Lower Parker Creek Canyon at natural drainages.
Phenology: flowering.

U.S.A., Arizona, Pima County: Fort Lowell.

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Pathfinder Reservoir: National Wildlife Refuge N of County Road 410, ca 22 air mi NE of Three Forks Junction.
Sandy grassland at rivers edge. Phenology: flowering.

U.S.A., Colorado, Jefferson County: 5 mi E of Golden.
Irrigation ditch. Phenology: flowering & fruiting.
Annotated by Agnes B. Chase.

U.S.A., Colorado, Larimer County: Fort Collins.
River bank in wet soil. Phenology: fruiting.

U.S.A., Colorado, Moffat County: Dinosaur National Monument: Yampa River: mouth of Disappointment Draw; ca 1.2 mi NW of Deerlodge Park.
Common on alluvium of riverbank with Tamariz and Salix exigua. Phenology: flowering & fruiting.

U.S.A., Colorado, Weld County: Evans: Platte River bed.
River bed. Phenology: flowering & fruiting.
Annotated by Aven Nelson.

U.S.A., New Mexico, Union County: Cienega Springs.

U.S.A., Colorado, Garfield County: White River National Forest.
Abundant in open burned area on 5% north slope in gravelly loam with Carex, Poa and Juncus. Phenology: fruiting.

U.S.A., Colorado, Weld County: Evans: Reservoir.

U.S.A., Colorado, Montrose County: Paradox.
Moist ditch bank in foothills. Phenology: flowering & fruiting.

U.S.A., Colorado, Montrose County: Coventry.
Wet ditch bank. Phenology: fruiting.

U.S.A., Colorado, Larimer County: Near Fort Collins.

U.S.A., Colorado, Larimer County: Near Cache La Poudre Reservoir; on road crossing to Fort Collins.
Roadside. Phenology: fruiting.
George E. Osterhout, 492. 7//1894.

U.S.A., Colorado, Larimer County: Stonewall Creek: S of Virginia Dale.

U.S.A., Colorado, Weld County: Windsor.
Near river. Phenology: fruiting.

U.S.A., Colorado, Larimer County: Fort Collins.

U.S.A., Colorado, Garfield County: Near White River National Forest; Halls Gulch.
In meadow on 5% slope, north exposure in alkaline clay with Carex and Hordeum. Phenology: flowering & fruiting.
Annotated by Jane W. Roller.

U.S.A., Colorado, Weld County:
In swale in clay loam. Phenology: fruiting.

U.S.A., Colorado, Weld County:
Shorgrass steppe in clay loam. Phenology: fruiting.
Annotated by Jason R. Swallen.

U.S.A., Colorado, Baca County: Breaks of Picture Canyon.
Edge of cattail slough in canyon bottom. Phenology: flowering & fruiting.
with R. C. Wittmann

U.S.A., Colorado, Boulder County: Near Boulder.
In valley. Phenology: flowering & fruiting.
Annotated by C. L. Porter in 1950.

U.S.A., Colorado, Boulder County: Hiram Prince Lake.

U.S.A., Colorado, Garfield County: New Castle.

U.S.A., New Mexico, Dona Ana County: Jornada Range Reserve: near top of San Andreas Peak.
Browse-grass community in gravelly soil on a 20 degree west slope with blue grama and scrub oak; scattering abundance; distributed in foothills and mountains. Phenology: flowering & fruiting.
with R. H. Canfield

U.S.A., Wyoming, Natrona County: Laramie Range: off of Wyo Hwy 487, along Big Red Creek on County Road 505; ca 30 air mi SE of Capser .
Sarcobatus-Chrysothamnus scrubland. Phenology: flowering & fruiting.
with T. McGowan & J. Brondum

U.S.A., Wyoming, Sweetwater County: [location and coordinates withheld]
Wet meadows and areas in the stream bottom. Phenology: flowering & fruiting.

U.S.A., Wyoming, Carbon County: South-central Wyoming: along Muddy Creek on the north end of Peach Orchard Flat, ca 14.5 air mi N of Baggs; ca 41 air mi SW of Rawlins.
Sand-mud bars. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Green River Basin: adjacent to and mainly S of the confluence of Middle Marsh Creek and Flaming Gorge Reservoir, ca 36 air mi SSW of Rock Springs.
Close proximity to creek or reservoir. Phenology: flowering.

U.S.A., Wyoming, Carbon County: [location and coordinates withheld]
Floodplain above river. Phenology: flowering & fruiting.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: ca 2.5 air mi W of Kirby; ca 1 mi N of Gebo; ca 11 air mi N of Thermopolis, above and along Sand Draw.
Sand-gravel bars and edge of creek.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: along Sand Draw in the vicinity of Sand Draw and Voss Springs, ca 5 air mi WNW of Kirby, ca 12.5 air mi NNW of Thermopolis.
Drainage bottom between sandstone-shale ridges.

U.S.A., Wyoming, Park County: Bighorn Basin: Shearing Pens Reservoir above West Branch Whistle Creek, ca 12 air mi SE of Powell.
Saline seep below reservoir.

U.S.A., Wyoming, Platte County: [location and coordinates withheld]
River bank. Phenology: flowering & fruiting.
with Jan Pollet

U.S.A., Wyoming, Platte County: [location and coordinates withheld]
Stony sandbars. Phenology: fruiting.
with Jan Pollet

U.S.A., Wyoming, Johnson County: Powder River Basin: ca 14.5 air mi NE of Edgerton on Wyo Hwy 387, ca 52 air mi NNE of Casper in JJ Draw.
Occasional in disturbed bottom. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 6 air mi NW of Spotted Horse, ca 39.5 air mi NW of Gillette.
Occasional in loamy clay at edge of intermittent lake with Aster and Potentilla. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Powder River Basin: ca 7.5 air mi NW of Bill, ca 39 air mi N of Douglas on Wyo Hwy 59 along Dry Fork of the Cheyenne River.
Common on sand bar with Xanthium and Chenopodium. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: ca 3 air mi W of La Grange, ca 30 air mi S of Torrington on Wyo Hwy 151, along Bear Creek.
In sandy clay on sand bar with Veronica and Bidens. Common. Phenology: flowering & fruiting.

U.S.A., Wyoming, Johnson County: Powder River Basin: ca 7 air mi SSE of Kaycee on I-25, along the South Fork Powder River.
In the river channel. Phenology: flowering & fruiting.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: along the Big Horn River, S of Yellowstone Reservoir, ca 11-11.5 air mi SE of Lovell, ca 21 air mi NNW of Greybull.
River bank.

U.S.A., Wyoming, Fremont County: Big Horn Mountains: along Cottonwood Creek on the Lost Cabin-Nowood Road, ca 10.5 air mi N of Lost Cabin, ca 49.5 air mi NE of Riverton.
Wet creek bottom.

U.S.A., Wyoming, Fremont County: Big Horn Mountains: along Stove Creek on the Nowood Road, ca 15.5 air mi NNE of Lost Cabin, ca 54 air mi NE of Riverton.
Bottom of small dry reservoir. Phenology: flowering & fruiting.

U.S.A., Wyoming, Washakie County: Bighorn Basin: in Cornell Gulch on the Nowater Trail, ca 2 air mi W of Nowood, ca 30.5 air mi S of Ten Sleep.
In a drying reservoir. Phenology: flowering & fruiting.

U.S.A., Wyoming, Washakie County: Bighorn Basin: along Bud Kimball Creek, ca 7.5 air mi S of Tensleep, ca 4 air mi ESE of Castle Gardens.
In the stream bed.

U.S.A., Wyoming, Washakie County: Big Horn Mountains: along Nowood River at the foot of Mahogany Butte, ca 27 air mi S of Ten Sleep, ca 9.5 air mi SSW of Big Trails.
At the edge of the river. Phenology: flowering & fruiting.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: Wind River Indian Reservation: overflow area along South Fork Owl Creek, ca 25 air mi WNW of Thermopolis; ca 8 air mi SW of Hamilton Dome on Wyo Hwy 174.
Fence row.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: along the Big Horn River, ca 7 air mi NNE of Thermopolis; ca 1 air mi ENE of Lucerne.
On mud flats along an overflow channel.

U.S.A., Wyoming, Fremont County: Wind River Basin: Lake Cameahwait, ca 20 air mi ENE of Riverton, inlet on north side of lake.
Edge of moving water. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Granite Mountain Uplift: Dry Draw, ca 6 air mi NNW of Muddy Gap Junction.
Bottom of draw. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Granite Mountain Uplift: Sweetwater River, ca 3 air mi NE of Jeffrey City.
Sand bars of stream. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Wind River Basin: Ocean Lake, east side, ca 3 air mi WSW of Midvale.
Meadow at edge of lake. Phenology: flowering & fruiting.
with Georgia Haines

U.S.A., Wyoming, Fremont County: Sweetwater River, south of bridge across river on Agate Flats Road, ca 9.5 air mi ENE of Jeffrey City.
Moist meadow beside river and moist river bank. Phenology: flowering & fruiting.
with Georgia Haines

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 11 air mi NW of Weston.
Rocky slope, clinker outcrops, plains, ravine, wet soil in draw, below holding dam; wet mud, streambed below holding dam. Phenology: flowering & fruiting.
with Mary Alice Sanguinetti

U.S.A., Wyoming, Converse County: [location and coordinates withheld]
Hills, sandstone outcrops, flats along creek, dry creek bed; flats. Phenology: flowering & fruiting.

U.S.A., Wyoming, Johnson County: [location and coordinates withheld]
Drainage in ditches; ditch. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sheridan County: [location and coordinates withheld]
Plains, flats along dry creekbed; dry creekbed. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: South Middle Pumpkin Butte.
Limber pine slopes, rocky slopes, small pools of water on upper east slopes, plains and outcrops on summit; near pool. Phenology: flowering & fruiting.

U.S.A., Wyoming, Johnson County: [location and coordinates withheld]
Sagebrush plains, wet draw, hills with clinker outcrops; draw, thicket. Phenology: flowering & fruiting.

U.S.A., Wyoming, Johnson County: [location and coordinates withheld]
Sandy flats along lake, edges and meadows along creek; meadow. Phenology: flowering & fruiting.

U.S.A., Wyoming, Johnson County: Powder River Basin: Dry Creek, ca 7 air mi ESE of Buffalo.
Flats around creek, margins of backwaters of creek; edge of backwater. Phenology: flowering & fruiting.

U.S.A., Wyoming, Johnson County: Powder River Basin: Jack Moore Reservoir, along Boxelder Creek, ca 1.5 air mi E of south end of Lake De Smet.
Flats around margin of holding pond, meadow along creek, gravelly roadside, hilly plains on clinker; meadow along creek. Phenology: flowering & fruiting.

U.S.A., Wyoming, Johnson County: Powder River Basin: Boxelder Creek, ca 5 air mi ENE of Lake De Smet.
Meadows along creek, sandy plains, ridges; meadow. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Oil field, ca 4.2 air mi N of Waltman.
Eroded shale slopes with sandstone outcrops and drainages. Phenology: flowering & fruiting.

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: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: Pumpkin Buttes: South Middle Butte.
Upper slopes on north side. Phenology: flowering & fruiting.
with Mary Alice Sanguinetti

U.S.A., Wyoming, Goshen County: [location and coordinates withheld]
Moist to wet meadows along the creek. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Walker Creek just N of Manning or County Road 53, ca 20 air mi NE of Douglas.
Sand bars and dry stream channel. Phenology: flowering & fruiting.

U.S.A., Wyoming, Niobrara County: [location and coordinates withheld]
On the reservoir dam and at the base on lower side. Phenology: flowering & fruiting.

U.S.A., Wyoming, Laramie County: [location and coordinates withheld]
Gravel bars, edge of creek, and marshy areas. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: [location and coordinates withheld]
Vernal pond along the creek. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Goshen Hole: NE of Glomill Reservoir off County Road 125, ca 12 air mi W of Yoder; ca 21 air mi SW of Torrington.
41.9° N, 104.5279° W; NAD 83, uncertainty 0.5 mi., Nat. Geog. TOPO!
Moist swales and wet depressions on rolling chalky plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Poison Spider Creek on Poison Spider or County Road 201 between Emigrant Gap Ridge and Oil Mountain, ca 18.5 air mi W of Casper.
Sand bars, stream bank, and low moist benches. Phenology: fruiting.

U.S.A., Wyoming, Natrona County: [location and coordinates withheld]
Marshy area in the river bottom. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along the North Platte River ca 0.5-0.8 mi above the mouth of Wagon Hound Creek, ca 6.8 air mi S of Douglas.
Wet area in old overflow channel and thickets along the edges. Phenology: fruiting.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Cottonwood Creek at the west end of Cottonwood Rim, ca 16.5 air mi N of Powder River; ca 46.5 air mi NW of Casper.
Rocky sandbars. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: ca 1/4-0.5 mi WNW of Big Sulfer Spring, ca 20 air mi NE of Powder River; ca 40 air mi NW of Casper.
Along shaly, saline stream channel in the bottom of a narrow canyon. Phenology: flowering.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: Fort Laramie National Historic Site: along the Laramie River ca 0.5 mi E of the old fort, ca 1.7 air mi SW of Fort Laramie (town); ca 21 air mi NW of Torrington.
Rocky sand bars. Phenology: fruiting.
with David Reilly

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along Bear Creek ca 0.5 mi above the mouth of Spring Run, ca 17.7 air mi W of LaGrange, ca 34.5 air mi SSW of Torrington.
Steep banks at the edge of the creek and sand bars. Phenology: flowering.
with Tim Chumley and Robbin Romberg

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along Chugwater Creek SE of Degans Butte, ca 7.5-8.5 air mi SW of Chugwater; ca 25 air mi S of Wheatland.
Sand bars and wet stream edges. Phenology: fruiting.
with Tim Chumley and Robbin Romberg

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along Bear Creek ca 3/4 mi W of the mouth of Dater Creek and ca 4 air mi S of Castle Rocks, ca 11 air mi W of La Grange; ca 30 air mi SSW of Torrington.
Sand banks and wet stream margin. Phenology: fruiting.
with Tim Chumley and Robbin Romberg

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: Rasmus Lee Lake ca 3 air mi W of Bessemer Mountain, ca 17 air mi WSW of Casper.
Moist to wet areas created by siphon leakage. Phenology: fruiting.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: Rasmus Lee Lake ca 3 air mi W of Bessemer Mountain, ca 17 air mi WSW of Casper.
Wet areas along the creek. Phenology: flowering.
Annotated by Stuart Markow.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Poison Spring Creek ca 3/4 air mi N of the North Platte River and ca 2 air mi SW of Bessemer Mountain, ca 16 air mi SW of Casper.
Wet areas along the creek. Phenology: flowering.

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Sand Creek below Hornbuckle Draw, ca 46 air mi NNW of Douglas; ca 25 air mi WNW of Bill.
In wet marshy areas and still water. Phenology: fruiting.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along Richeau Creek between I-25 and Wyo Hwy 314, ca 3/4 air mi W to 1.5 air mi WSW of Slater; ca 14 air mi SSE of Wheatland.
Marshy area of springs. Phenology: fruiting.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along Chugwater Creek, ca 0.5 air mi N of Bordeaux, ca 9.5 air mi SE of Wheatland.
Steep creek bank and sand bars. Phenology: fruiting.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: Thirtythree Mile Reservoir on South Fork Casper Creek, ca 13 air mi NW of Casper.
On shores of reservoir and surrounding flats and drainages. Phenology: fruiting.

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Ross or County Road 31 between Dry Fork Cheyenne River and Cheyenne River Draw and along Cheyenne River Draw, ca 36 air mi NNW of Douglas.
Edge of cattail-bulrush ponds in the draw. Phenology: fruiting.

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Antelope Creek and Ross or County Road 31, ca 31 air mi WNW of Bill; ca 50.5 air mi NNW of Douglas; ca 3.5 air mi SE of Ross.
By pond in the bottom of a wash. Phenology: fruiting.
Annotated by Stuart Markow.

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Bull Gulch and Ross or County Road 31, ca 31 air mi WNW of Bill; ca 50.5 air mi NNW of Douglas; ca 3.5 air mi SE of Ross.
By pond in the bottom of a wash. Phenology: fruiting.

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Antelope Creek and Ross or County Road 31, ca 31 air mi WNW of Bill; ca 50.5 air mi NNW of Douglas; ca 3.5 air mi SE of Ross.
Wet areas and at the edge of ponds in the stream channel. Phenology: fruiting.
Annotated by Stuart Markow.

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Sand Creek off Jenne Trail or County Road 34, ca 16.5 air mi NW of Bill, ca 44.5 air mi N of Douglas.
Wet areas and at the edge of ponds in the stream channel. Phenology: fruiting.

U.S.A., Wyoming, Niobrara County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along Muddy Creek off Spanish Diggings or County Road 34 ca 3 air mi E of Converse County, ca 13.8 air mi SW of Manville, ca 20.5 air mi WSW of Lusk.
Moist to wet meadows along the stream. Phenology: fruiting.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: ca 12 air mi SW of Wheatland.
Stream side. Phenology: flowering & fruiting.

U.S.A., Wyoming, Laramie County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along Crow Creek E of County Road 217 ca 1/2 mi, ca 16.2 air mi ESE of Cheyenne.
Along creek. Phenology: fruiting.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Goshen Hole: along Horse Creek between County Road 180 and County Road 182, ca 1/2 air mi E of Hawk Springs, ca 19.3 air mi SSW of Torrington.
41.791° N, 104.2552° W; NAD 83, uncertainty 0.5 mi., Nat. Geog. TOPO!
Along open banks of creek, in grazed pasture and along irrigation ditches in the pasture. Phenology: fruiting.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Goshen Hole: along Horse Creek ca 5 air mi N of Hawk Springs; ca 13.5 air mi SSW of Torrington.
Along sandy-clay shores of heavily grazed creek. Phenology: fruiting.

U.S.A., Wyoming, Laramie County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along Horse Creek ca 1 air mi W of I-80 off Nimmo, True or County Road 120, ca 22 air mi N of Cheyenne.
In willow thickets along stream. Phenology: fruiting.

U.S.A., Wyoming, Sublette County: Green River Basin: McNinch Reservoirs 1 and 2, ca 8.5 air mi NW of Big Piney.
Reservoir edge, meadows, and sagebrush with outflow stream meadowed edges. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Green River Basin: Big Sandy River at Gasson Bridge, ca 20 air mi E of Fontenelle Dam.
Riverside meadows, sagebrush, and open hillsides. Phenology: flowering.
with Ben and Becky Cramer

U.S.A., Wyoming, Sweetwater County: Green River Basin: Big Sandy River, ca 1 air mi SW of Farson.
Riverside meadows, sagebrush, and open hillsides. Phenology: flowering.
with Ben and Becky Cramer

U.S.A., Wyoming, Weston County: [location and coordinates withheld]
Stream bank. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: [location and coordinates withheld]
Disturbed soil near lake. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: [location and coordinates withheld]
Disturbed soil around reservoir in grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Black Hills, Bear Lodge Mountains, Lytle Creek Reservoir, ca 2 air mi E of Devils Tower.
Deciduous thickets below dam. Phenology: flowering & fruiting.

U.S.A., Montana, Carbon County: Bighorn Basin: along a tributary of South Fork Bridger Creek just W of Pryor Mountain Road, ca 8 air mi SE of Bridger.
45.207° N, 108.8155° W; uncertainty 0.5 mi., GPS reading
Along stream through redbeds and adjacent wet to dry meadows dominated by Glycyrrhiza. Phenology: flowering & fruiting.
Annotated by B. E. Nelson.

U.S.A., Kansas, Morton County: Cimarron National Grassland: along Cimarron River and Turkey Trail ca 1 air mi E of Kan Hwy 27, ca 8.5 air mi N of Elkhart.
River channel. Phenology: flowering.
Annotated by Bernadette Kuhn.

U.S.A., Colorado, Baca County: Comanche National Grassland: Picture Canyon, ca 29 air mi SSW of Springfield.
Along Salix-dominated wet seep. Shortgrass prairie with Yucca sp., Opuntia sp., and Buchloë dactyloides; grazed. Phenology: flowering & fruiting.
Annotated by Bernadette Kuhn.
Bernadette Kuhn, 859. 6/7/2007.

U.S.A., Kansas, Morton County: Cimarron National Grassland: ca 7 mi N of Elkhart.
Near windmill. Phenology: flowering & fruiting.
Annotated by Bernadette Kuhn.

U.S.A., Colorado, Baca County: Comanche National Grassland: Holt Canyon, 27.5 air mi SSW of Springfield.
Spring fed pond with Juncus sp., Sagittaria sp. and Salix exigua. Phenology: flowering & fruiting.
with B. E. Nelson

U.S.A., Kansas, Morton County: Cimarron National Grassland: Point of Rocks, ca 7 mi N of Elkhart.
At ponds, sandy banks dominated by Tamarix ramosissima, Salix exigua, and Scirpus. Phenology: flowering & fruiting.
with Joe Rankin

U.S.A., Colorado, Las Animas County: Comanche National Grassland: along Purgatoire River, ca 29 air mi SSW of La Junta.
Along river bank with Salix exigua thickets. Phenology: flowering & fruiting.
with Quinn Long, Jennifer Moody-Weiss, and Gianna Short

U.S.A., Colorado, Baca County: Comanche National Grassland: Carrizo Creek, Carrizo Canyon, ca 29 air mi SW of Springfield.
Near picnic area along creek. Hillside and lush creek banks. Uplands dominated by Bouteloua spp. and scattered Rhus aromatica. Creek banks with Salix exigua and Typha. Phenology: flowering & fruiting.
with Amy Tomson

U.S.A., Colorado, Las Animas County: Comanche National Grassland: at dinosaur tracks along Purgatoire River, ca 25.5 air mi S of La Junta.
Area dominated by Salix exigua, Cyperus sp., and Bromus japonicus. Phenology: flowering & fruiting.
with Joe Rankin

U.S.A., Colorado, Las Animas County: Comanche National Grassland: Tobe Creek, 2.5 mi S of Tobe; ca 54.5 air mi S of La Junta.
Along creek. Phenology: fruiting.
with Joe Rankin

U.S.A., Colorado, Otero County: Comanche National Grassland: Vogel Canyon, ca 14-15 air mi S of La Junta, ca 3 air mi W of Higbee.
Riparian with tall forbs, Populus, Salix. Phenology: flowering & fruiting.

U.S.A., Colorado, Otero County: Comanche National Grassland: Vogel Canyon, ca 15.5 air mi S of La Junta.
Dakota sandstone canyon walls dominated by Bouteloua spp. and Rhus aromatica with springs and pools below. Phenology: flowering & fruiting.

U.S.A., Colorado, Baca County: Comanche National Grassland: Carrizo Creek, along trail from Carrizo Picnic Area, ca 29 air mi SW of Springfield.
Rocky uplands dominated by Machaeranthera, Melampodium, and Opuntia; lush creek bed dominated by Saponaria, Vitis, and Parthenocissus. Phenology: flowering & fruiting.
with Catherine Kuhn, Mike Mason

U.S.A., Colorado, Otero County: Comanche National Grassland: Timpas Creek, just N of U.S. Hwy 350 and Bloom, ca 13 air mi SW of Timpas.
Scattered Populus and Juniperus monosperma; creek with Juncus sp. and Eleocharis sp. Phenology: flowering & fruiting.

U.S.A., Colorado, Las Animas County: [location and coordinates withheld]
Salix thickets along creek bank with scattered Sambucus, sandy soil. Phenology: flowering & fruiting.

U.S.A., Colorado, Las Animas County: [location and coordinates withheld]
Salix dominated spring, grazed. Phenology: flowering & fruiting.

U.S.A., Colorado, Las Animas County: [location and coordinates withheld]
Lower spring, Tamarix dominated, grazed. Phenology: flowering & fruiting.

U.S.A., Colorado, Otero County: Comanche National Grassland: Picketwire (Purgatoire) Canyon at the dinosaur tracks, ca 26 air mi S of La Junta.
Salix-lined river banks with Eleochoris and Juncus. Phenology: flowering & fruiting.
with Cali Hemenway

U.S.A., Colorado, Baca County: Comanche National Grassland: Picture Canyon, ca 28.5 air mi SSW of Springfield.
Along creek and sandstone canyon walls. Phenology: flowering & fruiting.
with Cali Hemenway

U.S.A., Kansas, Morton County: Cimarron National Grassland: on south side of Forest Road 600, at windmill and stock tank, ca 7.5 air mi S of Richfield.
Small pool of water with Scirpus and Eleocharis. Phenology: flowering & fruiting.

U.S.A., Colorado, Otero County: Comanche National Grassland: along two track leading to water tank, ca 28 air mi SW of La Junta.
Rocky prairie dominated by Cylindropuntia imbricata and Yucca glauca. Phenology: flowering & fruiting.

U.S.A., Colorado, Las Animas County: Comanche National Grassland and Vicinity: Hall Ranch, under bridge at Poitrey Creek crossing on County Road 121.
Dry creek bed with thick covers of Melilotus albus and Polypogon with pinyon-juniper upland. Phenology: flowering & fruiting.

At spring dominated by Polypogon viridis and Polygonum aviculare. Phenology: flowering & fruiting.
with Darla Jackson, Lonnie Jackson

Lush creek banks dominated by Rhus aromatica, Populus, and Tamarix. Phenology: flowering & fruiting.
with Everett Jackson

At spring. Phenology: flowering & fruiting.

Lush creek banks dominated by Typha and Scirpus. Phenology: flowering & fruiting.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: along banks of Vermejo River just downstream from (E of) mouth of Van Bremmer Creek; 3.8 air mi SE of Colfax.
Riparian zone, covered by recently sprayed and killed Salix and Tamarix thickets, now devegetated except for scattered Conyza and Cirsium arvense; river bed dominated by Schoenoplectus, Juncus, Polypogon, Potamogeton. Tufted; scattered in wet mud or shallow water in river bed. Photographed. Phenology: flowering.
Annotated by Ben Legler on 10/18/2008.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: flats on south side of the Cimarron River 2.6 air mi W of Cimarron.
Dry shortgrass prairie, gravelly soil; with Cylindropuntia imbricata, Krascheninnikovia lanata, and Gutierrezia sarothrae. Frequent in moist soil by river. Specimen GPS: 36.509251, -104.935204. Phenology: flowering.
Annotated by Ben Legler on 1/2/2009.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: along south side of the Vermejo River 0.8 air mi E of I-25; 3.2 air mi SSW of Maxwell.
River bottoms and adjacent dry washes, with Salix exigua, Helianthus annuus, and Schizachyrium scoparium; silty soil. Frequent in silt along river. Specimen GPS: 36.490311, -104.559128. Phenology: flowering.
Annotated by Ben Legler on 1/2/2009.

Riparian and prairie. Phenology: flowering & fruiting.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: old Aeromotor watering pump on south side of U.S. Hwy 64 3.5 air mi NE of Cimarron and 0.2 air mi SW of where highway crosses Encinosa Creek.
Moist to wet soil around water pump, with Schoenoplectus, Polypogon monspeliensis, and Kochia scoparia. Tufted in wet soil; common. Specimen GPS: 36.532043, -104.854851. Phenology: flowering.

U.S.A., New Mexico, Union County: Clayton Lake State Park: 12 air mi NW of Clayton.
Rocky-sandy soil, from lake to steppe. Phenology: flowering & fruiting.
Michael Schiebout, 6802. 6/29/2005.

U.S.A., South Dakota, Fall River County: Cascade Creek: ca 10 mi SW of Hot Springs, along Hwy 71.
Along edge of creek on old Nasturtium officinale mat with Eleocharis. Occasional patches. Phenology: flowering.
Annotated by D. J. Ode.

U.S.A., South Dakota, Meade County: North side of Bear Butte Lake.
Alkaline meadow, occasional. Phenology: flowering.
Annotated by Gary E. Larson.

U.S.A., Nebraska, Kearney County: Newark.
Bars of Platte River. Phenology: flowering.
Annotated by Harry Hapeman.
Harry Hapeman, s.n.. 7/26/1907.

U.S.A., Montana, Powder River County: E of Moorehead Road along the Powder River, ca 9 air mi SW of Broadus.
Along bank and on floodplain of the river, dominated by Euphorbia, Elaeagnus, Tamarix, and Populus. Phenology: flowering & fruiting.

U.S.A., Montana, Rosebud County: Custer National Forest: Ashland Ranger District: Tongue River Breaks Hiking and Riding Area: in the vicinity of Black Eagle Spring N of Forest Road 4023, ca 3.5 air mi WNW of Poker Jim Butte, ca 19 air mi SSW of Ashland.
Hardwood draw dominated by Crataegus and Prunus. Phenology: fruiting.
Accession: USFS 886466, Barcode: USFS0030340

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: flowering.

U.S.A., Montana, Phillips County: Upper Missouri River Breaks National Monument: along Winter Ridge Road, ca 3.5 air mi SSW of Saskatchewan Butte, ca 62 air mi SW of Malta.
In muddy water of a stock pond. Phenology: flowering & fruiting.

U.S.A., Montana, Phillips County: Along Siparyann Creek between Siparyann and Bell ridges, ca 4.5 air mi S of DY Junction, ca 58 air mi SW of Malta.
In water at the edge of the stream. Phenology: flowering.

U.S.A., Montana, Valley County: Along Porcupine Creek at Roosevelt Trail and Fort Peck Indian Reservation, ca 5 air mi N of Nashua.
Muddy stream edge and in adjacent pools. Phenology: flowering & fruiting.

U.S.A., Montana, Valley County: Faraasen Park, adjacent to the Milk River and in Chapman Coulee, ca 4.5 air mi SE of Tampico; ca 7 air mi NW of Glasgow.
Wetlands. Phenology: flowering.
Joseph L. M. Charboneau, 1651. 7/14/2010.

U.S.A., Montana, Phillips County: Along Midale Road/Refuge Road 212, ca 3 air mi SSE of Karsten Coulee Reservoir, ca 31.5 air mi SE of Zortman; ca 51.5 air mi SSW of Malta.
Moist areas above and below reservior and dam. Phenology: flowering.
Joseph L. M. Charboneau, 1864. 7/18/2010.

U.S.A., Montana, Phillips County: Matador Ranch: W of Stage Road (Mont Hwy 204), Little Warm Creek, ca 8 air mi WNW of Veseth Reservoir, ca 10 air mi ENE of Zortman; ca 35 air mi SW of Malta.
Riparian area. Phenology: flowering & fruiting.
Joseph L. M. Charboneau, 3053. 8/8/2010.

U.S.A., Montana, Phillips County: American Prairie Reserve: Parrot Coulee at confluence with Beaver Creek, ca 1.5 air mi SW of Veseth Reservoir, ca 16 air mi E of Zortman; ca 36 air mi SSW of Malta.
Silty flats above creek bed. Phenology: flowering & fruiting.
with Damien Austin

U.S.A., Montana, Phillips County: Bowdoin National Wildlife Refuge: along Refuge Tour Road, near Black Coulee Pond, ca 6 air mi NW of Le Noir Reservoir, ca 3.5 air mi E of the Milk River, ca 7 air mi ENE of Malta.
Wetlands interspersed with groves of cottonwood and Russian olive and chokecherry-willow thickets. Phenology: flowering & fruiting.

U.S.A., Montana, Valley County: Glasgow Base Ponds, W of Mont Hwy 24, ca 4.5 air mi W of Porcupine Creek, ca 3.5 air mi NW of St. Marie; ca 18 air mi N of Glasgow.
Pond edge. Phenology: flowering & fruiting.

U.S.A., Montana, Phillips County: Bowdoin National Wildlife Refuge: along Refuge Tour Road, near Teal Pond Complex, ca 5 air mi W of Beaver Creek, ca 15 air mi WSW of Saco; ca 11 air mi ENE of Malta.
Wetland areas around ponds. Phenology: fruiting.

U.S.A., Montana, Phillips County: PR-22 Reservoir, N of Whitewater Creek, ca 4.5 air mi SW of 3 Way No. 2 Reservoir, ca 10 air mi NW of Whitewater; ca 37.5 air mi NNE of Malta.
Muddy reservoir shoreline. Phenology: fruiting.

U.S.A., Montana, Phillips County: Charles M. Russell National Wildlife Refuge: Manning Bottoms along Rock Creek, ca 10 air mi E of Fred Robinson Bridge, ca 21.5 air mi S of Zortman; ca 60 air mi SW of Malta.
Floodplain with some groves of willows and cottonwoods on silty soil. Phenology: fruiting.

U.S.A., Montana, Rosebud County: Custer National Forest: Ashland Ranger District: Tongue River Breaks Hiking and Riding Area: in the vicinity of Black Eagle Spring N of Forest Road 4023, ca 3.5 air mi WNW of Poker Jim Butte, ca 19 air mi SSW of Ashland.
Hardwood draw dominated by Crataegus and Prunus. Phenology: fruiting.
Accession: (unaccessioned), Barcode: USFS0050116

U.S.A., Colorado, Mesa County: Plateau Creek at confluence with Big Wash, ca 1 mi E of the junction of Colo Hwy 65 and I-70, ca 17 air mi NE of Grand Junction.
In creek cobbles. Phenology: flowering & fruiting.
1. Polypogon monspeliensis (L.) Desf..

U.S.A., Colorado, Delta County: Gunnison Gorge Wilderness: West River Trail from wilderness boundary S to where trail ends at cliff, ca 3/4 trail mi from wilderness boundary, ca 7.5 air mi SW of Hotchkiss.
Riparian area in sparse pinyon/juniper/shrub/rock mix. Phenology: flowering.
1. Polypogon monspeliensis (L.) Desf..

U.S.A., Colorado, Montrose County: Uncompahgre Plateau: Roubideau Canyon; middle canyon just NW of Camel Back, ca 17 air mi NW of Montrose.
Along creek in low elevation riparian area. Phenology: flowering & fruiting.
1. Polypogon monspeliensis (L.) Desf..

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: Flaming Gorge National Recreation Area: Blacks Fork river bottom, ca 11 air mi SW of Green River; north side of the Blacks Fork; east side of Wyo Hwy 530.
41.3791° N, 109.6187° W; uncertainty 1 mi., Digital Map
Alkaline clay and sand on the river bottom. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: [location and coordinates withheld]
Shoreline and uplands of river; alternating sand and clay sediments. Phenology: flowering & fruiting.

U.S.A., Utah, Daggett County: Southwestern Wyoming and Adjacent Utah: Browns Park: ca 12 air mi E of Dutch John, 0.5 mi west of Browns Park Road on the east side of the Green River.
Muddy flat on river edge. Phenology: flowering & fruiting.
with Duane Atwood and Lucy Jordan

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: Seedskadee National Wildlife Refuge: ca 26 air mi NW of Green River; 2.3 mi S of Refuge Headquarters on through waterfowl viewing gate on north side of river.
41.8926° N, 109.8148° W; uncertainty .75 mi., Digital Map
Clay streambanks, willows. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: 3/4 mi E of Green River on FMC road along the Green River by the bridge.
River bottom, river rock, willows, grasses. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: ca 1 air mi W of Green River; 0.6 mi W of junction of Wyo Hwy 374 and East Flaming Gorge Road.
41.5429° N, 109.4879° W; uncertainty .5 mi., Digital Map
River bottom, river rock, clays, willows, grasses. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: [location and coordinates withheld]
Upland sandy soils, clay river banks. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Ca 5.5 mi SW of Wheatland, north side of Wheatland Reservoir No. 1 dam.
42° 0.3' N, 105° 1.9' W; unknown, , GPS reading
Seepage area, with Rumex and Hordeum. Phenology: fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 6 air mi NW of Spotted Horse, ca 39.5 air mi NW of Gillette.
Occasional in loamy clay at the edge of an intermittent lake with Aster and Potentilla. Phenology: flowering & fruiting.

U.S.A., Wyoming, Johnson County: Powder River Basin: ca 14.5 air mi NE of Edgerton on Wyo Hwy 387, ca 52 air mi NNE of Casper in JJ Draw.
In clay soil in disturbed bottomland with Limnosella. Occasional. Phenology: flowering & fruiting.

U.S.A., Wyoming, Hot Springs County: South Big Horn Basin; Sand Draw Ridge, ca 14 air miles north-northwest of Thermopolis.
Sandy bentonite outcrops above tributary of Coal Draw Creek. Phenology: flowering & fruiting.

U.S.A., Wyoming, Washakie County: Bighorn Basin: in Cornell Gulch on the Nowater Trail, ca 2 air mi W of Nowood, ca 30.5 air mi S of Ten Sleep.
In stock pond which is going dry. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Camp Guernsey: spring on Osburn Ranch parcel in Sawmill Canyon; 2.9 km due E of North Platte River, ca 9.2 km NW of Range Control.
Level to sloped; riparian/palustrine/disturbed; silty loam; with Carduus acanthoides, Juniperus scopulorum, Populus sp., Prunus virginiana, Agrostis stolonifera, Carex spp. Local; decumbent to erect, fibrous rooted herb; 1.5 dm tall. Phenology: fruiting.
Nancy E. Hastings, 4. 8/15/2006.
with P. Block

U.S.A., Wyoming, Weston County: Ca 4 mi N of Osage.
Spring area with Juncus and Cirsium. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Lander Training Area: 0.3 km E of Smith Creek, ca 4.2 km WNW of Little Popo Agie River.
zone DMC, 689197E, 4745137N; unknown, GPS reading
West-facing slope (0-30°); greasewood desert shrubland; Mowry formation; clay loam; ephemeral stream; with Artemisia tridentata, Sarcobatus vermiculatus, Gutierrezia sarothrae, Grindelia squarrosa, Euphorbia esula, Lepidium perfoliatum. Scattered; ascending, fibrous rooted, annual herb; 2.5 dm tall. Phenology: flowering.
Patricia P. Douglas, 126. 9/10/1999.
with Nancy E. Hastings

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Pathfinder Reservoir and Mountain: Bishop Point Recreation Area, ca 3.4 air mi W of County Road 409; ca 10.5 air mi SW of Alcova townsite.
Along creek; graminoids dominant; Ribes and big sage common. Phenology: flowering & fruiting.

U.S.A., Utah, Daggett County: Southwestern Wyoming and Adjacent Utah: Browns Park: Green River, ca 13 air mi ESE of Dutch John; 1.8 mi S of junction of Jarvie Ranch/Browns Park roads on west side Browns Park Road.
T2N R25E S30 South1/2; also N1/2 S31
River's edge, river rock, clay soils. Phenology: flowering & fruiting.
with Barbara McNight

U.S.A., Utah, Daggett County: Southwestern Wyoming and Adjacent Utah: Browns Park: Swallow Canyon, ca 16 air mi SE of Dutch John.
River's edge, sandy soils, Salix, Tamarix. Phenology: flowering & fruiting.
with Barbara McNight

U.S.A., Utah, Daggett County: Southwestern Wyoming and Adjacent Utah: Browns Park: Green River, ca 12.2 air mi ESE of Dutch John.
T2N R25E S31 NW1/4; also T2N R24E NE1/4 S36
River's edge, mostly sandy, Salix, Carex. Phenology: flowering & fruiting.
with Barbara McNight