Suaeda nigra (1997)
AMARANTHACEAE
Suaeda nigra (Raf.) J. F. Macbr.
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: fruiting.
with Jim Fowler
Accession: RM 680322, Barcode: RM0052719

Suaeda nigra (1997)
AMARANTHACEAE
Suaeda nigra (Raf.) J. F. Macbr.
U.S.A., Wyoming, Natrona County: [location and coordinates withheld]
Shale hills and sandy areas and badlands. Phenology: flowering & fruiting.
with Amy J. Roderick and Cherie Winner
Accession: RM 665326, Barcode: RM0136508

Suaeda nigra (2003)
AMARANTHACEAE
Suaeda nigra (Raf.) J. F. Macbr.
U.S.A., Wyoming, Big Horn County: Bighorn Basin: along Dorsey Creek, ca 9 mi SSE of Burlington.
Elev. 4525 ft.
T50N R96W S11
Saltbush-greasewood community with Allium textile, Xylorhiza glabriuscula, Musineon divaricatum, and Cymopterus acaulis. Phenology: flowering.
Accession: RM 913264, Barcode: RM0066303

U.S.A., Wyoming, Big Horn County: Bighorn Basin: along Fenton Pass Road (BLM Road 1222), ca 2 mi S of the Greybull River, ca 7 mi SW of Burlington.
Elev. 4920 ft.
T51N R97W S19
Sagebrush-saltbush-grassland with Artemisia pedatifida, Xylorhiza glabriuscula, Musineon divaricatum, Atriplex gardneri, and Bouteloua gracilis.
Accession: RM (unaccessioned)

U.S.A., Wyoming, Big Horn County: Bighorn Basin: along Little Dry Creek Road 3/4 mi E of Wyo Hwy 32, 5 mi N of U.S. Hwy 14, 20 mi W of Greybull.
Elev. 4590 ft.
T53N R96W S18
Sagebrush - saltbush steppe with Artemisia pedatifida, Atriplex gardneri, Xylorhiza glabriuscula, and Halogeton glomeratus.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: ca 1/3 mi W of Wyo Hwy 32 and 1/4 mi W of Coon Creek.
T54N R97W S34; also S35
Saltbush-sagebrush-grassland with Atriplex gardneri, Artemisia tridentata var. wyomingensis, Poa secunda, and Musineon divaricatum abundant. Phenology: flowering & fruiting.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: ca 18 mi NW of Greybull along BLM Road.
Sparsely vegetated shrub-steppe. Phenology: vegetative only.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: ca 0.5 mi NE of Grass Creek, just N of Cottonwood Creek Road, ca 22 mi NW of Thermopolis.
Shrub steppe with Atriplex confertifolia, Atriplex gardneri, Lappula redowskii, and Xylorhiza glabriuscula. Phenology: fruiting.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: along east side of Murphy Draw Road, ca 3/4 mi N of Wyo Hwy 431.
Saltbush-grassland with Atriplex gardneri, Atriplex confertifolia, Musineon divaricatum, and Vicia americana. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: Rador Springs along Black Rock Creek ca midway between Spring Butte and Black Rock, ca 28 air mi NE of Rock Springs.
41.8697° N, 108.8352° W; uncertainty .5 mi., Digital Map
Slopes with scattered sagebrush. Phenology: flowering & fruiting.
with Laura Welp

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: Rador Springs, along Black Rock Creek, ca 2.5 mi W of Black Rock; ca 13.5 air mi NNE of Point of Rocks.
Seep in flat greasewood draw with patches of interspersed graminoids and shrubs; clay soil with salt deposits. Phenology: fruiting.
with B. E. Nelson
Accession: 673057

U.S.A., New Mexico, Catron County: Datil National Forest: San Augustin Plains; N of Bat Cave well.
T6S R13W S17
Phenology: flowering.
Accession: USFS 452726

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Great Divide Basin: ca 1.5 air mi W of Continental Peak; ca 6 air mi E of Oregon Buttes.
Top and north-facing slopes of sandstone rim; partially vegetated with low sagebrush dominant; dry sandy soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: Delany Rim, ca 5 air mi S of Tipton.
Sandy sagebrush areas below, eroded rim, and cushion community above; also areas of slumping with standing water. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Great Divide Basin: sand dunes near Honeycomb Buttes, ca 8.5 air mi NNW of Buffalo Hump Lake; ca 8 air mi SSE of Continental Peak.
Flat plain in alkaline basin with Atriplex and grasses; alkaline clay soil. Phenology: fruiting.

U.S.A., New Mexico, Lincoln County: White Mountains.
Fourth digit of accession # illegible. Phenology: flowering.
Annotations:
Annotated by C. L. Porter in 1967.
Accession: RM 17952

U.S.A., Colorado, Delta County: Northern Gunnison Basin: ca 4.5-7 air mi E to ESE Hotchkiss.
Rolling hills with sagebrush and saltflats, ridges with some pinyon-juniper. Phenology: flowering.
Annotations:
1. Suaeda nigra (Raf.) J. F. Macbr.
Annotated by Kevin J. Taylor.
with Kevin J. Taylor
Accession: 719353

U.S.A., New Mexico, Dona Ana County: Mesilla Valley.
Phenology: flowering.
Accession: RM 166589

U.S.A., New Mexico, Dona Ana County: Mesilla Valley.
Phenology: flowering & fruiting.
Accession: RM 58361

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: ca 17.5 air mi SSW of Edgemont.
On east-facing bank of drainage. Phenology: flowering.
Accession: RM (unaccessioned)

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: ca 18 air mi SSW of Edgemont.
In alkali draw of silt. Phenology: flowering.
Accession: RM (unaccessioned)

U.S.A., New Mexico, Chaves County: 20 mi S of Roswell.
T14S R25E S7
Phenology: flowering.
Annotations:
Annotated by C. L. Porter in 1967.
with Esther S. Earle

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., 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
Accession: (unaccessioned)

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.
Accession: (unaccessioned)

U.S.A., Colorado, San Miguel County: Upper Dolores River Drainage and Adjacent Areas: Colorado Hwy 141, mouth of Disappointment Valley. ca. 20 air miles N of Dove Creek Colorado.
Elev. 1750 m.
Desert Shrub community. Phenology: fruiting.
with Marie Rambo
Accession: 712681

U.S.A., New Mexico, Otero County: 10 mi W of Alamogordo.

U.S.A., Wyoming, Albany County: Howell Lakes.
Alkali soil. Phenology: fruiting.

U.S.A., Wyoming, Albany County: Seven Mile Lake.
Phenology: fruiting.

U.S.A., Wyoming, Sweetwater County: Green River.

U.S.A., Wyoming, Albany County: Howell Lakes.
In alkaline soil. Phenology: fruiting.
with Elias Nelson

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

U.S.A., Wyoming, Sheridan County: Ucross.
Alkali lands. Phenology: fruiting.

U.S.A., Wyoming, Big Horn County: 15 mi NW of Greybull.
Nuttall saltbush community; clay ridge. Phenology: fruiting.
Dayton P. Kirkham, 42. 8/3/1966.

U.S.A., Wyoming, Big Horn County: 8 mi S of Lovell.
Alkaline area. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Seven Mile Lakes.
Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: Leucite Hills.
Dry hills. Phenology: flowering.
with E. N. Wilcox

U.S.A., Wyoming, Park County: Bighorn Basin: along east side of U.S. Hwy Alt. 14, just S of Shoshone River, NE of Cody.
Sagebrush-grassland with Artemisia tridentata, Artemisia cana, Arenaria hookeri, and Agropyron spicatum. Phenology: flowering.

U.S.A., Wyoming, Park County: Bighorn Basin: ca 1/4-1/8 mi S of Sand Coulee Road; ca 4 mi E of Wyo Hwy 120; ca 25 mi N of Cody.
Sagebrush-saltbrush-grassland. Phenology: flowering.

U.S.A., Wyoming, Park County: Bighorn Basin: ca 1/2-3/4 mi SW of Wyo Hwy 294, ca 12 mi NW of Powell.
Badland bluffs in sagebrush-saltbrush-grassland. Phenology: flowering.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: S of Buffalo Bill Reservoir, north side of Sheep Mountain.
Growing with Pinus flexilis, Erigeron ochroleucus, and Euphorbia robusta on limestone. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Great Divide Basin: ca 3 mi N of Oregon Buttes.
Sagebrush-grassland. Phenology: flowering.

U.S.A., Wyoming, Natrona County: North Platte River Valley: North Fork Casper Creek, E of County Road 110, 9.5 mi N of Wyo Hwy 20.
Sarcobatus vermiculates shrub community on second terrace bordering intermittent stream on alluvial soil; understory dominated by Elymus smithii. Phenology: fruiting.

U.S.A., Arizona, Navajo County: Marsh Pass.
9 Jul-24 Aug 1919. Phenology: flowering.
Annotated by C. L. Porter in 1967.

U.S.A., Wyoming, Washakie County: Little Cottonwood Creek drainage: 5 mi SW of Ten Sleep

U.S.A., Wyoming, Fremont County: Lysite Badlands: eroded slopes draining north into Badwater Creek.
Badlands slope. Phenology: flowering.

U.S.A., Wyoming, Washakie County: W of Worland, on the lower part of the Fifteenmile drainage area.
Lowland area in association with greasewood on Willwood Formation in 5-9 inch precipitation zone. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sweetwater County: 6 mi N of Rock Springs.
Saline flats. Phenology: flowering & fruiting.
with Robert L. Lang

U.S.A., Wyoming, Albany County: Big Hollow, near County Road 44 between Wyo Hwy 130 and Wyo Hwy 230, W of Laramie; near Galett Lake.
*Lake. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin and Adjacent Regions: Red Desert, Black Rock.
Volcanic cinders and sand substrate; common on flats in moderately dry soil. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Route 71.
Saline upland with Sarcobatus, Atriplex nuttallii, and Machaeranthera glabriuscula. Phenology: flowering & fruiting.

U.S.A., Wyoming, Johnson County: Ca 10 mi SE of Kaycee on U.S. Hwy 87.
10% southern slope; heavy clay soil; scarce in small patches. Phenology: flowering.
Accession: USFS 403767, Barcode: USFS0066675

U.S.A., Wyoming, Fremont County:
Barren clay hills with Astragalus grayi and Platyschkuhria. Phenology: fruiting.

U.S.A., Wyoming, Sweetwater County: Along Killpecker Creek, 7 mi N of Rock Springs.

U.S.A., Wyoming, Sweetwater County: Along Killpecker Creek, 7 mi N of Rock Springs.
Accession: USFS 403768, Barcode: USFS0066676

U.S.A., Wyoming, Big Horn County: Sykes Mountain.
Sandstone uplift to clay flat. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Green River Basin: Flaming Gorge National Recreation Area: Haystack Buttes.
Semi-barrens of heavy clays in Bridger Formation, desert shrub community. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Laramie Plains.
Saline flat. Phenology: fruiting.

U.S.A., Wyoming, Sweetwater County: Washakie Basin: east bank of Sand Creek; ca 1/4 mi N of County Road 700; ca 1/4 mi W of Carbon County; ca 14 air mi WNW of Baggs.
Shaley barrens in Atriplex gardneri-Oryzopsis hymenoides-Elymus elymoides community on bluffs above dry river bed. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Great Divide Basin: ridge on north side of Alkali Draw, S of County Road 21; ca 4.5 air mi E of Bush Rim.
Atriplex gardneri-Artemisia pedatifida community on sparsely vegetated mesa top of fine-textured brownish clay-shale. Phenology: flowering & fruiting.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: ridge on east side of Wyo Hwy 37 and W of the Crooked Creek Road, ca 0.4 mi W of the base of the Sykes Mountain, ca 2.5 mi SW of Horseshoe Bay boat ramp.
Gray shrink-swell shale-clay barrens on flats at base of ridge. Community of Atriplex gardneri/Suaeda nigra with < 20% vegetative cover. Phenology: fruiting.

U.S.A., Arizona, Pima County: Tucson.
Accession: RMRS (unaccessioned)

U.S.A., Colorado, Moffat County: Irish Lake.
Alkali soil on edge of river. Phenology: flowering & fruiting.

U.S.A., Colorado, Montezuma County: Mancos.
Below town on sage plains. Phenology: flowering & fruiting.
with F. S. Earle and S. M. Tracy

U.S.A., Colorado, Mesa County: Region of the Gunnison Watershed: Grand Junction.
1.
Annotated by Edward L. Greene in 1961.

U.S.A., Colorado, Mesa County: Region of the Gunnison Watershed: Grand Junction.
1. Suaeda nigra (Raf.) J. F. Macbr.
Annotated by Edward L. Greene.

U.S.A., New Mexico, San Juan County: La Plata River, near Jackson Lake Recreation Area.
River basin; Great Basin desert scrub. Phenology: flowering.
1. Suaeda nigra (Raf.) J. F. Macbr.
Annotated by Charles Feddema in 1979.

U.S.A., New Mexico, San Juan County: 15 mi N of Farmington W of Rio de la Plata.
Annotated by Charles Feddema in 1979.

U.S.A., Colorado, Montezuma County: Ute Indian Reservation: 15 mi SW of Towaoc.
Alkaline flat. Phenology: flowering & fruiting.
Accession: USFS 452738

U.S.A., Colorado, Montrose County: Naturita
Alkaline hillside. Phenology: flowering & fruiting.
with Lois B. Payson

U.S.A., Colorado, Alamosa County: San Luis Valley: Alamosa.
Alkaline soil. Phenology: flowering.

U.S.A., Colorado, Fremont County: Canyon City.

U.S.A., Colorado, Mesa County: Debeque.

U.S.A., Colorado, Mesa County: Grand Junction: near Book Cliff Coal Mine.

U.S.A., Colorado, Mesa County: Grand Junction.

U.S.A., Colorado, Mesa County: Grand Junction.
Annotated by B. E. Nelson in 1979.
George E. Osterhout, s.n.. 7//1915.

U.S.A., Colorado, Alamosa County: Alamosa.
Harry Hapeman, s.n.. 8/30/1918.

U.S.A., Colorado, Delta County: Delta.

U.S.A., Colorado, El Paso County: Colorado Springs.

U.S.A., Colorado, Garfield County: 4 mi E of Grand Valley.
Park; with chico, rabbitbrush, and Atriplex. In dry parks. Phenology: flowering & fruiting.
Accession: USFS 452730

U.S.A., Colorado, Moffat County: Skull Creek.
Creek bottoms. Phenology: flowering & fruiting.
Annotated by F. R. Fosberg in 1940.

U.S.A., Colorado, Rio Blanco County: Near White River National Forest: 19 mi W of Meeker.
Level slope; deep clay alkaline-adobe soil. Greasewood. Phenology: flowering & fruiting.
Annotated by D. W. Hayes.
with H. E. Schwan

U.S.A., Colorado, Mesa County: Badger Wash Experimental Area.
Salt desert-shrub. Phenology: flowering & fruiting.
Annotated by Charles Feddema.
with Glen L. Ranck

U.S.A., Colorado, Rio Blanco County: N side of White River: 4 mi W of Rangely.
Elev. 1600 m.
In clay and sand of arroyo. Phenology: flowering & fruiting.
with J. Wingate

U.S.A., Colorado, Montezuma County: Ute Tribal Park: on road ascending Johnson Mesa below Wing Spring.
On road shoulders and flats. Phenology: vegetative only.
with M. Colyer

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Washakie Basin: along Hartt Cabin Draw and benchland to the west, ca 34.5 air mi S of Wamsutter; ca 16 air mi WNW of Baggs.
Desert shrub benchland back of the bluffs. Phenology: fruiting.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Washakie Basin: along Hartt Cabin Draw and benchland to the west, ca 34.5 air mi S of Wamsutter; ca 16 air mi WNW of Baggs.
Nearly barren clay slopes. Phenology: fruiting.
Annotated by Beth Ward.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: along Vermillion Creek above Hiawatha or County Road 25 and ca 2/3 mi N of Colorado, ca 48 air mi SE of Rock Springs.
Weedy flats on the base of the bluffs. Phenology: fruiting.
Annotated by Beth Ward.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Rock Springs Uplift: along Alkali Wash below Patrick Draw or County Road 24, ca 3.5 air mi WNW of Pine Butte, ca 29 air mi SE of Rock Springs; ca 24 air mi S of Point of Rocks.
Steep banks of the channel cut and greasewood flats. Phenology: fruiting.
Annotated by Beth Ward.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Washakie Basin: along Bitter Creek between Black Buttes and Bitter Creek UPRR sidings, ca 30.5 air mi ESE of Rock Springs; ca 34 air mi WSW of Wamsutter.
Greasewood flats. Phenology: fruiting.

U.S.A., Wyoming, Sweetwater County: [location and coordinates withheld]
Greasewood flat above the creek. Phenology: fruiting.
Accession: 670082, Barcode: RM0136509

U.S.A., Wyoming, Sweetwater County: [location and coordinates withheld]
Clay flats above the draw. Phenology: fruiting.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Washakie Basin: Skull Creek Rim along the north-south oriented section, ca 1.5 air mi E of Shell Creek; ca 35 air mi WNW of Baggs.
Badlands slopes. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: along Vermillion Creek, ca 2.5 air mi SE of Wyo Hwy 430 intersection with Vermillion Creek; ca 42 air mi SSE of Rock Springs.
Creek terrace. Phenology: fruiting.

U.S.A., Wyoming, Sweetwater County: South-central Wyoming: Washakie Basin: top and upper slopes of Delaney Rim, ca 4 air mi W of northernmost point of Delaney Rim; ca 13.5 air mi WSW of Wamsutter.
Badlands slope. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: South-central Wyoming: Washakie Basin: southwest flank of Flat Top Mountain, ca 32.5 air mi SSE of Wamsutter; ca 49.5 air mi SSW of Rawlins.
Rocky, sandy soil; flat. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: [location and coordinates withheld]
Badlands draw. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: low buttes and flats, ca 1 air mi N of Canyon Creek; ca 0.5 air mi W of Wyo Hwy 430; ca 42 air mi SSE of Rock Springs.
Open sandy area without shub cover. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: dry creek bottom and adjacent slopes of Granary Draw, ca 3.5 air mi W of Alkali Creek; ca 7 air mi E of Wyo Hwy 430; ca 40.5 air mi SSE of Rock Springs.
South-facing slope. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: flats and buttes adjacent to Pacific Creek; ca 1 air mi S or Wy Hwy 28; ca 2 air mi E of confluence of Pacific and Jack Morrow creeks; ca 12.5 air mi NE of Farson.
Adjacent to creek. Phenology: vegetative only.

U.S.A., Wyoming, Sweetwater County: South-Central Wyoming: draws and slopes and creek bottom of Alkali Wash, ca 6 air mi SW of Oregon Buttes; ca 25.5 air mi ENE of Farson.
South-facing clay slope. Phenology: flowering.

Adjacent to alkali pond. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: Upper Green River Basin: Cretaceous Mountain/Hogsback Ridge area: mesa with radio tower, ca 10.5 air mi SSW of Big Piney.
Calcareous mesa and upper slopes. Phenology: buds.

U.S.A., Wyoming, Washakie County: Bighorn Basin: along Cottonwood Creek, ca 7.5 air mi WNW of Winchester; ca 20.5 air mi SW of Worland.
Clay bench above the creek with greasewood.

U.S.A., Wyoming, Park County: Bighorn Basin: ca 1.5 mi N of Silvertip Oil Field; ca 19 air mi NW of Powell.
Clay slopes and flats interspersed with sagebrush-grassland below sandstone outcrops.

U.S.A., Wyoming, Park County: Bighorn Basin: ca 2.3 air mi W of Fannie on the road from Elk Basin Oil Field to Fannie; ca 16 air mi NNE of Powell.
Saline flats below stock pond dam.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: Rainbow Canyon, ca 18.5 air mi ESE of Lovell.
Multicolored clay slopes and points of the canyon walls.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: west and above Triple Draw, ca 17 air mi ESE of Lovell.
Bentonite badlands.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: along Crystal Creek Road above Crystal Creek, ca 17 air mi SE of Lovell.
Saline slope along marsh.
Accession: USFS 930689, Barcode: RM0093152

U.S.A., Wyoming, Big Horn County: Bighorn Basin: Katys Nipple and vicinity, ca 9 air mi E of Lovell.
Pebble covered clay slopes.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: Sore Finger Reservoir and vicinity, ca 15 air mi S of Lovell, ca 7.5 air mi N of Emblem.
Nearly barren clay flats and slopes.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: W of Dry Creek, ca 4.5 air mi ENE of Frannie, ca 12 air mi NW of Lovell.
Nearly barren slopes and gullies in bentonite badlands.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: along Elk Creek on Dorsey Creek Road, ca 16 air mi WSW of Basin, ca 9 air mi SSW of Otto.
Elev. 4400
Sandy clay slopes in badlands.
with Erik Nelson

U.S.A., Wyoming, Big Horn County: Bighorn Basin: Snyder Reservoir #4 in Foster Gulch, ca 14 air mi S of Lovell.
Clay slopes and flats with Artemisia pedatifida and Atriplex gardneri.
with Erik Nelson

U.S.A., Wyoming, Park County: Bighorn Basin: between Big Sand Coulee and Polecat Bench, 9.5 air mi WNW of Powell, ca 6 air mi NW of Ralston.
On, around, and below sandstone outcrops in rough breaks.
with Erik Nelson

U.S.A., Wyoming, Big Horn County: Bighorn Basin: on Fenton Pass Road, ca 6 air mi N of Tatman Mountain, ca 8 air mi SW of Burlington, ca 26 air mi W of Basin.
Clay flats.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: Gumbo Hills, ca 3 air mi E of Hamilton Dome, ca 17-18 air mi WNW of Thermopolis.
Gumbo clay slopes.
with Robin Jones

U.S.A., Wyoming, Washakie County: Bighorn Basin: Six Mile Reservoir and vicinity, ca 12 air mi NNW of Worland; ca 9 air mi SW of Manderson.
Clay soil in sagebrush-saltbush plains.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: Six Mile Reservoir and vicinity, ca 9 air mi SW of Manderson; ca 15 air mi S of Basin.
Badlands.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: S of Fivemile Creek, ca 12 air mi WSW of Manderson; ca 22 air mi SW of Basin.
Badlands between sandy slopes and sandstone breaks.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: Fox Mountain, ca 9 air mi E of Greybull.
Badlands.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: Potato Ridge, ca 14 air mi ESE of Greybull.
Clay slopes.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: Renner Reservoir, ca 8 air mi SE of Hyattville, ca 10 air mi NNW of Tensleep.
Flats.

Greasewood flats along draw, cobble edges of bench, seepage along wash, below ponds; flats. Phenology: flowering.

U.S.A., Wyoming, Johnson County: [location and coordinates withheld]
Outwash, greasewood flats of open, clay soil. Phenology: flowering.

U.S.A., Wyoming, Natrona County: [location and coordinates withheld]
Sagebrush plain, saltbush flats, margins of soda lake; flats, near lake. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Powder River Basin: "Alkali Flat" and Dead Horse Creek Flats, ca 13 air mi SW of Midwest.
"Alkali Flat", flats along creek; creek flats. Phenology: buds.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: ca 6.5 air mi NE of Greybull.
Saltbush flats, shaley slope, ridge top with loose shale; flats.
with Ronald L. Hartman

U.S.A., Wyoming, Big Horn County: Bighorn Basin: Ribbon Canyon, at northwest end of Sheep Mountain.
Saltbush flats, shale and sandstone ridges, with barren flats; flats.
with Ronald L. Hartman

U.S.A., Wyoming, Washakie County: Bighorn Basin: Castle Gardens, ca 6.5 air mi SW of Ten Sleep.
Eroded shale slopes and ridges.
with Keith H. Dueholm

U.S.A., Wyoming, Big Horn County: Bighorn Basin: ca 2 air mi S of Hyattville.
Shaley eroded slopes. No elevation listed in field notebook.
with Keith H. Dueholm

U.S.A., Wyoming, Big Horn County: Bighorn Basin: U.S. Hwy 16-20, 5.7 mi S of Basin.
Eroded shaley slopes with scattered cottonwoods and irrigation ditch. No elevation listed in field notebook.
with Keith H. Dueholm

U.S.A., Wyoming, Big Horn County: Bighorn Basin: ca 12 air mi SE of Lovell.
Red beds and shales with some gypsum; mosaic of community types dominated by Sarcobatus, Atriplex tridentata, and Atriplex gardneri.

U.S.A., Wyoming, Sheridan County: Powder River Basin: east slope near north end of L Quarter Circle Hill.
Badly eroded slope. Phenology: flowering.
with Keith Dueholm

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: at the west end of Cottonwood Rim above Cottonwood Creek, ca 2.5-3 air mi S of Three Buttes, ca 17 air mi N of Powder River; ca 47 air mi NW of Casper.
Badlands, sparsely vegetated slopes and gullies with scattered Artemisias and Atriplexes. Phenology: flowering & fruiting.

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.
Steep, sparsely vegetated greasewood slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: Emigrant Gap Ridge, ca 12 air mi W of Casper.
Sandy and shaly areas with ponderosa pine on ridges. Phenology: flowering.

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: U.S. Hwy 20, 26, less than 1 air mi E of Fremont County.
Alkaline draw with sandy slopes. Phenology: flowering & fruiting.
with T. W. Nelson

U.S.A., Wyoming, Sweetwater County: Green River Basin: Little Colorado Desert, ca 38 air mi NW of Rock Springs.
Rocky desert, clay buttes, and stabilized sand dunes. Phenology: flowering.
with Tom Cramer and Charmaine Refsdal

U.S.A., Wyoming, Lincoln County: Green River Basin: Slate Creek, ca 7 air mi W of Fontenelle.
Alkali creek flats, meadows with assorted Chenopodiaceae, and adjacent semi-barren bluff. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Green River Basin: ca 15 air mi WSW of Farson.
Open clay hillsides and windswept hilltop. Phenology: flowering & fruiting.
with Jane T. Kellett

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: East Allen Lake, ca 1 air mi W of County Road 1; ca 1.5 air mi S of Medicine Bow townsite.
Greasewood-saltbush flats; disturbed. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Bighorn Basin: along the east side of Sheep Mountain, 12 mi NNW of Greybull.
Saltbrush steppe with Atriplex confertifolia, Grayia spinosa, and Wyethia scabra. Phenology: flowering & fruiting.
1. Suaeda nigra (Raf.) J. F. Macbr..
Accession: RM 824522, Barcode: rm0023186

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.
Badlands. Phenology: fruiting.

U.S.A., Montana, Carter County: Ca 0.5 air mi S of Ridge Road at the head of Keith Creek, ca 4 air mi SE of Saddle Butte and ca 23.5 air mi SSW of Ekalaka.
Top and slopes of grass and sagebrush-dominated butte. Phenology: flowering & fruiting.

U.S.A., Montana, Carter County: Ca 0.5 air mi S of Ridge Road at the head of Keith Creek, ca 4 air mi SE of Saddle Butte and ca 23.5 air mi SSW of Ekalaka.
Top and slopes of grass and sagebrush-dominated butte. Phenology: fruiting.

U.S.A., Montana, Powder River County: Along Powderville Road East in vicinity of Oliphant Butte, ca 31-33 air mi WSW of Ekalaka.
Mixed badlands and grass and sagebrush-dominated grazing land with Sarcobatus, Achnatherum hymenoides, Bromus, and Atriplex. Phenology: flowering & fruiting.

U.S.A., Montana, Carter County: Just S of Powderville Road, ca 2.5 air mi E of Powder River County, ca 20 air mi WSW of Ekalaka.
Badlands. Phenology: flowering & fruiting.

U.S.A., Colorado, Mesa County: Colorado River Valley: between Sand Wash and Little Horsethief Creek, adjacent to County Road 45.50 (De Beque Cutoff Road), ca 3 air mi S of De Beque.
Breaks and badlands of clay soils. Phenology: flowering.
Michael K. Kirkpatrick, 135. 5/9/2010.
Accession: USFS 898422, Barcode: USFS0059889

U.S.A., Montana, Phillips County: Upper Missouri River Breaks National Monument: along Bull Creek and badlands to the W, ca 0.5 mi below the confluence with Winter Creek, ca 16 air mi SW of Hays; ca 62 air mi SW of Malta.
Semi-barren clay slopes of badlands below sandstone cliffs. Phenology: flowering & fruiting.
with Joseph L. M. Charboneau

U.S.A., Montana, Custer County: Northern Rocky Mountain Forest and Range Experiment Station (U.S. Range Livestock Experiment Station): Custer Flat.
with E. J. Woolfolk, F. M. Benson, G. Thompson

U.S.A., Montana: Custer National Forest.
T2S R47E S16
Slope 15%, south exposure; clay soil; associated with sagebrush and yarrow. Fair abundance. Phenology: flowering & fruiting.

U.S.A., Montana, Phillips County: Charles M. Russell National Wildlife Refuge: Reynolds Hill, ca 2 air mi N of Fourchette Creek Recreation Area, ca 44 air mi ESE of Zortman; ca 38 air mi SSE of Malta.
Sagebrush-greasewood steppe on silty clay. Phenology: flowering.
Joseph L. M. Charboneau, 5920. 6/25/2011.

U.S.A., Montana, Phillips County: Charles M. Russell National Wildlife Refuge: unnamed butte S of Refuge Road 844, ca 1.5 air mi NW of Schuyler Butte, ca 45.5 air mi ESE of Zortman; ca 48.5 air mi SSE of Malta.
Badlands clay slopes. Phenology: flowering.
Joseph L. M. Charboneau, 5931. 6/25/2011.

U.S.A., Montana, Phillips County: Larb Hills (North): E of Lower Harb Road, ca 1.5 air mi E of Beaver Creek, ca 15 air mi SW of Saco; ca 15.5 air mi ESE of Malta.
Badlands clay slopes. Phenology: flowering.
Joseph L. M. Charboneau, 6411. 6/30/2011.

U.S.A., Montana, Valley County: Charles M. Russell National Wildlife Refuge: Middle Eighth Ridge, ca 2.5 air mi ENE of Graveyard Hill, ca 24 air mi SW of Fort Peck; ca 30 air mi SSW of Glasgow.
Loamy hilltops. Phenology: flowering & fruiting.

U.S.A., Montana, Phillips County: Charles M. Russell National Wildlife Refuge: Mickey Butte, ca 4 air mi ENE of Dry Lake, ca 43 air mi ESE of Zortman; ca 54.5 air mi S of Malta.
Big sagebrush-grasslands on clay hills. Phenology: fruiting.

U.S.A., Colorado, Mesa County: Unnamed mesa N of Plateau Creek, ca 6 air mi E of Colo Hwy 65 at I-70 and ca 5 air mi W of Molina.
Clay slopes and badlands with greasewood and shadscale. Phenology: flowering.
Michael K. Kirkpatrick, 5089. 5/24/2011.

U.S.A., Colorado, Montrose County: Uncompahgre Plateau: Roubideau Creek, above junction with Potter Canyon to 2 trail mi upstream, ca 11 1/4 air mi SW of Delta.
Hillside in sparse pinyon/juniper with barren rock hillsides. Phenology: flowering.
1. Suaeda nigra (Raf.) J. F. Macbr..

U.S.A., Colorado, Montrose County: Uncompahgre Plateau: Roubideau Creek, above junction with Potter Canyon to 2 trail mi upstream, ca 11 1/4 air mi SW of Delta.
Sparse pinyon/juniper/rock mix. Phenology: flowering & fruiting.
1. Suaeda nigra (Raf.) J. F. Macbr..

U.S.A., Colorado, Delta County: Gunnison Gorge National Conservation Area: West River Trail from trailhead on South River Road, near the confluence of the North Fork Gunnison River and the Gunnison River to the Gunnison Gorge Wilderness area, ca 6 air mi SW of Hotchkiss.
Hillside in sparse pinyon/juniper/rock. Phenology: flowering & fruiting.

U.S.A., Colorado, Delta County: Uncompahgre Plateau: Little Dominguez Canyon from Poison Canyon to the bend on the east side of Star Mesa, ca 16.5 air mi WNW of Delta.
Sandy soil along low elevation riparian area. Delta and Mesa County Phenology: flowering.

U.S.A., Colorado, Montrose County: Uncompahgre Plateau: Roubideau Canyon; middle canyon just NW of Camel Back, ca 17 air mi NW of Montrose.
Hillside in sparse pinyon/juniper/shrub/rock mix. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Great Divide Basin: Sweetwater River Drainage: near Continental Peak.
Cushion plant community on gentle, barren desert slopes. No elevation given. Phenology: fruiting.

U.S.A., Colorado, Montrose County: Uncompaghre Plateau: Escalante Creek, ca 17.5 air mi WSW of Delta.
Sandstone canyon in pinyon/juniper. Phenology: flowering.

U.S.A., Wyoming, Sweetwater County: Basins and Mountains of Southwest Wyoming: Flaming Gorge National Recreation Area: canyon N of North Chimney Rock and E of the Green River, ca 11 air mi S of Green River.
Steep slopes with areas of thin talus vegetated with areas of sagebrush, desert shrubs, or juniper. Phenology: flowering & fruiting.
Annotated by C. H. Refsdal.
with C. H. Refsdal and Laura Welp

U.S.A., Wyoming, Albany County: Big Hollow, near Twin Buttes Reservoir.
41.251° N, 105.8561° W; NAD 83, uncertainty 1 mi., Digital Map
Alkaline basin, with Sarcobatus. Phenology: flowering & fruiting.
with Marjorie W. Porter

Steep semi-barren badlands, clay soils. Phenology: flowering & fruiting.

U.S.A., Wyoming, Big Horn County: Lovell Training Area: ca 5.3 km SSW of Levell Peak (1573 m), ca 2.1 km E of U.S. Hwy 310.
Elev. 1317 m.
zone DMC, 715215E, 4958690N; unknown, GPS reading
Drainage and slope (level to 35°); saltbrush desert shrubland/basin big sagebrush; Travessilla-Midway complex; sandy clay to silty clay with pebbles; slope; with Atriplex gardneri, Artemisia tridentata, A. frigida, Astragalus grayi, Malcolmia africana, Elymus canadensis. Local; ascending, taprooted, perennial suffrutex; 10 cm tall. Phenology: vegetative only.
Patricia P. Douglas, 188. 5/20/2000.
with Nancy E. Hastings