Dyssodia papposa (1997)
ASTERACEAE
Dyssodia papposa (Vent.) Hitchc.
U.S.A., Wyoming, Park County: Northern Absaroka Area: Bobcat Creek Trail.
Sagebrush slopes. Phenology: flowering.
Accession: RM 679982, Barcode: RM0045368

Dyssodia papposa (2002)
ASTERACEAE
Dyssodia papposa (Vent.) Hitchc.
U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: ridge W of Alkali Creek on Roxson or County Road 73, ca 26 air mi SSW of Newcastle; ca 41 air mi SSE of Upton.
Side of road in grassland. Phenology: flowering & fruiting.
Accession: RM (unaccessioned)

Dyssodia papposa (2002)
ASTERACEAE
Dyssodia papposa (Vent.) Hitchc.
U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: Skull Creek on County Road 14, ca 12 air mi E of Upton; ca 19 air mi NNW of Newcastle.
Roadside adjacent to hayfield. Phenology: flowering & fruiting.
Accession: RM (unaccessioned)

U.S.A., Wyoming, Park County: Bighorn Basin: Cody city reservoir S of town.
Elev. 5100 ft.
T52N R101W S6
Disturbed areas along paths adjacent to reservoir with Kochia scoparia, Amaranthus retroflexus, Convolvulus arvensis, and Euphorbia glyptosperma. Phenology: flowering.
Accession: RM 819835, Barcode: RM0023491

U.S.A., Arizona, Navajo County: Sitgreaves National Forest: Mogollon Plateau: above Daze Canyon on Forest Road 504, ca 10 air mi NW of Heber; ca 26 air mi S of Winslow.
Elev. 6600 ft.
Disturbed area around limestone quarry. Phenology: flowering.
with James F. Fowler, Brian Reif
Accession: RM (unaccessioned)

U.S.A., Arizona, Yavapai County: Prescott National Forest: Woodchute Trailhead to south end of Woodchute Wilderness.
Elev. 7120 ft.
Parking lot and along trail and oak thickets. Phenology: flowering.
Annotations:
1. Dyssodia papposa (Vent.) Hitchc.
Annotated by B. E. Nelson.

U.S.A., Arizona, Gila County: Tonto National Forest: ca 3 air mi W of Mogollon Rim Visitor Center at Two Sixty Trailhead.
Mixed conifer with herbaceous understory. Phenology: flowering.
Annotations:
1. Dyssodia papposa (Vent.) Hitchc.
Annotated by B. E. Nelson.
with James F. Fowler

U.S.A., New Mexico, Colfax County: NM Hwy 72, 26 road mi E of I-25 (milepost 26).
Oak and ponderosa pine woodland and roadside. Phenology: flowering.
Accession: RM 960943, Barcode: RM0216811

U.S.A., New Mexico, Colfax County: I-25 at interchange 455, ca 1 air mi NNW of Raton.
Juniper-oak road cuts. Phenology: flowering.

U.S.A., Arizona, Apache County: Apache National Forest: Near Atascacita Spring.
T9N R27E S18
Grass-weed community in sand and clay loam on a north slope with grama, asters, snakeweed and Indian pink; common to abundant; distributed widely in this type of community. Phenology: flowering & fruiting.
Charles K. Cooperrider, 35. 8/18/1920.
Accession: USFS 476648

U.S.A., New Mexico, Dona Ana County: Jornada Range Reserve: between Middle and Red Lake Wells.
Weed community in heavy adobe clay; common on lakebeds of Jornada. Phenology: vegetative only.
Annotations:
Annotated by Elbert L. Little Jr. in 1939.
Clarence L. Forsling, 228. 9/16/1918.
Accession: USFS 476631

U.S.A., Arizona, Apache County: Sitgreaves National Forest.
T9N R25E S6 NE1/4
Clay, adobe, malpais soil on a north slope with early muhlenbergia, vetches, etc; scattered abundance; distributed in yellow pine type communities. Phenology: flowering & fruiting.
Clarence Shumway, 2. 9/9/1921.
Accession: USFS 476633

U.S.A., New Mexico, Lincoln County: White Mountains.
Phenology: flowering & fruiting.
Annotated by C. L. Porter in 1964.
1.
Annotated by Edward L. Greene in 1964.
Accession: RM 17935

U.S.A., New Mexico, Dona Ana County: Mesilla Valley.
Phenology: flowering & fruiting.
Annotated by C. L. Porter in 1964.
Accession: RM 57975

U.S.A., South Dakota, Custer County: Buffalo Gap National Grassland and Vicinity: ca 19-19.5 air mi SE of Hermosa and 2 air mi SW of Red Shirt and 0.5 miW of SD Hwy 40.
In prarie dog town with soils of silt and clay. Phenology: flowering.

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.
Rock slopes and buttes of Juniper leading into clay based drainages. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 7.5 air mi W of Scenic, near Spring Draw.
On sand bluffs overlooking draw. Phenology: flowering.

U.S.A., South Dakota, Custer County: Buffalo Gap National Grassland and Vicinity: ca 21 air mi SE of Hermosa.
On clay hardpan soils of prairie dog town. Phenology: flowering.

U.S.A., South Dakota, Custer County: Buffalo Gap National Grassland and Vicinity: ca 8.5 air mi SE of Hermosa in Red Shirt Creek.
In drainage of creek and steep slopes of drainage; soils are rock substrate with clayey silt. Phenology: flowering & fruiting.

U.S.A., New Mexico, Lincoln County: El Capitan Mountains.
Phenology: flowering & fruiting.
Annotated by C. L. Porter in 1964.
with Esther S. Earle
Accession: RM 160193

U.S.A., South Dakota, Custer County: Buffalo Gap National Grassland and Vicinity: ca 7 air mi ESE of Fairburn and adjacent to South Fork French Creek.
In a prairie dog town, soils are deep clay. Phenology: fruiting.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 6 air mi SSE of Wall.
In typic badlands habitat; soils are deep heavy clay. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 1 air mi SSE of Scenic.
In badlands floodplain, soils are deep heavy white clay. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 11.5-12 air mi ESE of Farmingdale and adjacent to west bank of Cheyenne River.
In an abandoned channel of river, soil of clay muck.. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 9 air mi SE of Farmingdale in Cole Draw.
Soils are shale and silt. Phenology: flowering.

U.S.A., South Dakota, Jackson County: Buffalo Gap National Grassland and Vicinity: ca 16.5 air mi SW of Kadoka.
In a deep-cut stream channel in badlands floodplain. Phenology: flowering & fruiting.

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: Sangre de Cristo Range: Rancho del Rio Grande Grant: along Rio Chiquito on Forest Road 437, ca 1.5 air mi W of Tombe; ca 4 air mi ESE of Ranchos de Taos.
Roadside. Phenology: flowering & fruiting.

U.S.A., New Mexico, Otero County: Lincoln National Forest: Turpin goat range.
Weed community on a moderate east slope with mixed grasses and weeds; heavy stand on closely grazed areas; distributed everywhere on this district; ridges and flats. Phenology: flowering & fruiting.

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: NM Hwy 515 from NM Hwy 522 to Red River State Fish Hatchery, follow powerline ca 0.5 air mi down creek until intercept with Hatchery Road on back up the road.
Pinyon/juniper. Phenology: flowering.

U.S.A., Arizona, Cochise County: Chiricahua Mountains: Paradise.
T17S R31E S19
Rich barnyard soil. Phenology: flowering & fruiting.

U.S.A., Arizona, Coconino County: Coconino National Forest: Frye Park and Mill Park.
Weed community in clay loam on a level slope with Bouteloua procumbens; scarce abundance; distributed locally in spots. Phenology: flowering & fruiting.

U.S.A., New Mexico, Otero County: Lincoln National Forest: Fresnal Ranger Station.
Weed community in gravelly soil on a north slope. Phenology: flowering & fruiting.

U.S.A., New Mexico, Eddy County: Lincoln National Forest: Guadalupe District: 2 mi W of Ares Ranch.
Weed community in deep sandy eroded loam on a level slope; only vegetation for several feet; common; distributed on plateau. Phenology: flowering & fruiting.

U.S.A., Arizona, Cochise County: Chiricahua Mountains.
T18S R30E S21

U.S.A., New Mexico, Otero County: Lincoln National Forest: Hunter Canyon.
Rocky ridge on a northeast slope. Phenology: flowering & fruiting.
Maurice J. Addison, AD-24. 8/5/1921.

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

U.S.A., New Mexico, Grant County: Mangas Springs, 18 mi NW of Silver City.
1.
Annotated by Edward L. Greene in 1964.

U.S.A., New Mexico, Grant County: Burro Mountains.

U.S.A., New Mexico, Catron County: Mogollon Mountains: on or near the West Fork Gila River.
T11S R17W S23
1.
Annotated by Edward L. Greene in 1964.

U.S.A., New Mexico, Grant County: Gila River Bottom near Cliff.

U.S.A., Arizona, Navajo County: Sitgreaves National Forest: Showlow Ranger Station.
T10N R22E S8
Sandy soil on a flat slope; common; observed only in this locality. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Bear Lodge Range: 5 mi NE of Hulett.
44.6929° N, 104.5166° W; NAD 83, uncertainty 1 mi., Digital Map
Roadside weed. Phenology: flowering.
with Marjorie W. Porter

U.S.A., New Mexico, Torrance County: Near Santa Fe: Hwy 66 near Palma.
PJ woodland community in roadside gravelly loam on a 0-5% east exposure with CHLO, ARIS, Saka and Paca; common. Phenology: flowering & fruiting.
1. Dyssodia papposa (Vent.) Hitchc.
Annotated by Charles Feddema in 1967.

U.S.A., New Mexico, Mora County: [location and coordinates withheld]
Roadside in meadow bottom including lower, south-facing slope of Gambels oak/ pinyon pine, and riparian at creek crossing; ponderosa pine forest. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Platte River ["Hartville"*].
*20" Phenology: buds.

U.S.A., Wyoming, Goshen County: Pratt.
41.9997° N, 104.0639° W; NAD 27, uncertainty 3 mi., Nat. Geog. TOPO!
Wet alkali swales. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Wheatland.

U.S.A., Wyoming, Laramie County: Ca 10 mi S of Cheyenne, on Duck Creek Grazing Association land, W of I-25.
In sandy soil along dry gullies on mountain mahogany covered ridge. Common. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: along U.S. Hwy 14, 16, and 20; ca 0.5 mi W of Goff Creek.
On road shoulder. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Absaroka Mountains: along U.S. Hwy 14, 16, and 20; ca 6 mi W of Buffalo Bill Dam.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: along U.S. Hwy 14, 16, and 20; ca 1 mi W of Buffalo Bill Dam.
On road shoulder. Phenology: flowering.

U.S.A., New Mexico, Sierra County: Gila National Forest: ridge N of Trujillo Canyon.
Sandy clay soil on a 10 degree east slope with grass and weeds; scattered; distributed in woodlands. Phenology: flowering & fruiting.

U.S.A., New Mexico, Otero County: Lincoln (Alamo) National Forest: Mayhill Ranger Station pasture.
Grass community in clay loam of limestone origin on a level slope with weeds and brush; scattered abundance; distributed in woodland communities. Phenology: flowering & fruiting.
William R. Chapline, Jr., 405. 9/14/1915.

U.S.A., Wyoming, Albany County: Roger Canyon; ca 7 mi NE of Laramie on 9th Street Road.
Common on edge of road on gravel shoulder, not present elsewhere. Phenology: flowering & fruiting.

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: North Platte River, S of U.S. Hwy 26, 0.5 road mi S of Guernsey.

U.S.A., New Mexico, Lincoln County: Lincoln National Forest: Gallinas Division.
Occurs around prairie dog towns. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Camp Guernsey: near Warm Springs.
Elev. 1359 m.
Level floodplains in sand with Artemisia, Bromus, Calamovilfa, Euphorbia, and Populus spp. Phenology: flowering & fruiting.
Patricia P. Douglas, 407. 8/21/1995.
with B. E. Nelson, R. M. Smith, N. E. Hastings

U.S.A., Wyoming, Niobrara County: 9 mi NNE of Mule Creek Junction.
Roadside with Melilotus and Verbena.

U.S.A., Wyoming, Niobrara County: 9 mi NNE of Mule Creek Junction.
Roadside with Melilotus and Verbena. Phenology: flowering.

U.S.A., Wyoming, Converse County: 13 mi SE of Glenrock.
Roadside with Verbena and Melilotus. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: 3-4 mi NE of Lander.
In dry, sagebrush hills, sandy soil. Phenology: fruiting.

U.S.A., Wyoming, Laramie County: Southeast Plains: edge of ditch along south side of first bend of Horse Creek E of the Nimmo Road, ca 1 mi W of I-25; ca 19 mi N of Cheyenne.
Bank of roadside ditch. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Haines Farm; ca 9 air mi W of Riverton on U.S. Hwy 26.
South pasture. Phenology: flowering.

Roadside with Melilotus and Verbena. Phenology: flowering.

U.S.A., Arizona, Navajo County: Apache National Forest: Sitgreaves National Forest; Heber area.
T13N R16E S26
Accession: RMRS (unaccessioned)

U.S.A., South Dakota, Pennington County: Along railroad at Pactola; Sylvan Lake-Deadwood.
Arthur C. McIntosh, 660. 9/1/1924.

U.S.A., South Dakota, Pennington County: Black Hills National Forest: near Pactola Ranger Station, along U.S. Hwy 385.
Level slope; coarse grade soil. Phenology: flowering.
Clarke A. Anderson, 49. 7/3/1945.
Accession: USFS 476656, Barcode: USFS0071618

U.S.A., South Dakota, Custer County: Black Hills National Forest: Pilger Mountain at Putnam Dam.
On 5% southwest slope; shallow, sandy soil; mixed prairie with Agropyron smithii, Bouteloua gracilis, and Buchloe dactyloides. Phenology: flowering.
Accession: USFS 476655, Barcode: USFS0071619

U.S.A., South Dakota, Custer County: Custer State Park: disturbed roadside on alluvial plain of French Creek.
Disturbed roadside on alluvial plain; redbed soils; common. Phenology: flowering.
with James R. Johnson

U.S.A., South Dakota, Custer County: Jewel Cave National Monument: U.S. Highway 16 between Jewel Cave Road and east boundary.
T4S R2E S1 NE1/4
Roadside in ponderosa pine forest. Phenology: flowering.

U.S.A., South Dakota, Custer County: Jewel Cave National Monument: bottom of Lithograph Canyon above Porthole [New Portal].
T4S R2E S1
Roadside. Phenology: flowering.

U.S.A., South Dakota, Pennington County: 2 mi W of Conata.
Common on prairie dog mounds. Phenology: flowering.

U.S.A., South Dakota, Pennington County: 2.5 mi N of Conata.
Prairie dog town, common. Phenology: vegetative only.

U.S.A., South Dakota, Custer County: Harney National Forest: along roadside near Custer Cemetary.
On south slope; clay loam soil; park/weed-grass vegetation type. Phenology: flowering.
Accession: USFS 476654, Barcode: USFS0071620

U.S.A., South Dakota, Custer County: Harney National Forest.
On 5% southeast slope; loam soil; roadside. Phenology: flowering.

U.S.A., South Dakota, Pennington County: 6 mi SE of Rapid City.
Clay banks, red-beds. Phenology: flowering.

U.S.A., South Dakota, Lawrence County: Nahant: N Rapid Creek.
Along roadside. Phenology: flowering.

U.S.A., Colorado, Larimer County: Trails End.
Roadsides in the lower mountains. Phenology: flowering.

U.S.A., New Mexico, Sandoval County: Govt. Hot Springs: Jemez Springs.
Road banks. Phenology: flowering.

U.S.A., Colorado, Arapahoe County: Engelwood, field N of 6136 South Niagara Court.
In open ground, sandy soil, prairie near housing development. Phenology: flowering.

U.S.A., Colorado, Montezuma County: Amercus: 4 mi N of Dolores on CO Hwy 145.
Gravelly slopes. Phenology: flowering & fruiting.
with George Piranian and B. L. Richards, Jr.

U.S.A., Colorado, Las Animas County: Near Trinidad.
Along roadsides. Phenology: flowering & fruiting.

U.S.A., Colorado, Larimer County: North side of Dixon reservoir, at base of Dixon Canyon Dam, Horsetooth Reservoir. SC1/4
Open sites amongst Chrysothamnus, Gutierrezia, Rhus, Prunus and Erigonum. Phenology: flowering.

U.S.A., Colorado, El Paso County: Colorado Springs; suburbs southwest of city.
Dry hills. Phenology: flowering & fruiting.

U.S.A., Colorado, Weld County: Grover.
Prairies. Phenology: flowering & fruiting.

U.S.A., Colorado, Weld County: Natural Fort rest stop on I-25, 3 mi S of Wyoming border.
Sandy soil, disturbed roadside. Phenology: flowering & fruiting.
with T. Andrews

U.S.A., Colorado, Park County: Pike National Forest: District 8.
Gentle west slope, very sandy soil; with sage, pepper grass and grama grass. Phenology: fruiting.

U.S.A., Colorado, El Paso County: Minnehaha.
Elev. 2500 m.
Phenology: flowering.
with E. S. Clements

U.S.A., New Mexico, Santa Fe County: Santa Fe National Forest: Dalton Creek.
Gravelly soil. Phenology: flowering & fruiting.
Frederic G. Renner, 291. 8/5/1923.

U.S.A., Colorado, Jefferson County: Ca 9 mi W of Golden: Clear Creek Canyon.
Gravelly roadside. Phenology: flowering & fruiting.

U.S.A., Colorado, Larimer County: Fort Collins: Univesity Ave at City Park Ave.
Sparse soil in crack of sidewalk. Phenology: flowering & fruiting.
Frederick J. Hermann, 27578. 9/4/1976.

U.S.A., Colorado, Huerfano County: Cuchara Valley: near La Veta.
Dry mesas. Phenology: flowering & fruiting.

U.S.A., Colorado, Boulder County: Boulder Canyon.

U.S.A., Colorado, Boulder County: Near Boulder.
Plains and foothills. Phenology: flowering & fruiting.

U.S.A., Colorado, Boulder County: Plains and foothills near Boulder.
Plains and foothills. Phenology: flowering & fruiting.

U.S.A., Colorado, Weld County: New Windsor.
George E. Osterhout, 27. 8/20/1893.

U.S.A., Wyoming, Converse County: Laramie Range: Spring Creek valley off Glendo or County Road 6, ca 16 air mi NE of Laramie Peak, ca 5.3 air mi NE of Esterbrook; ca 21 air mi SSE of Douglas.
Roadside. Phenology: flowering & fruiting.
Accession: 677536, Barcode: RM0287220

U.S.A., Colorado, Weld County: Windsor.
George E. Osterhout, s.n.. 9/3/1909.

U.S.A., New Mexico, Rio Arriba County: Carson National Forest: Canada Valle Grande.
South slope; deep, moist, black loam. Phenology: flowering.

U.S.A., New Mexico, Sandoval County: Santa Fe National Forest: Red Top Allotment.
5-10% southeast slope, meadow in mixed conifer; with bluegrass, sedge, trailing fleabane. Phenology: flowering & fruiting.
Annotated by Doris W. Hayes.

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

U.S.A., Colorado, El Paso County: Cascade.
Elev. 2265 m.
Dry hillside. Phenology: flowering & fruiting.

U.S.A., Colorado, El Paso County: Pikes Peak Region.
Open sandstone slopes. Phenology: flowering & fruiting.

U.S.A., Colorado, Larimer County: Fort Collins.
Dry ground. Phenology: flowering & fruiting.

U.S.A., New Mexico, no county County: Carson National Forest: station yard.
Level, deep coarse gravel. Phenology: flowering & fruiting.

U.S.A., Colorado, El Paso County: Pike National Forest: Manitou Park.
Stream bank, ponderosa pine forest. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Laramie Range: along Poison Lake or County Road 4 about halfway between Poison Lake and Wagon Hound Creek, ca 12.5 air mi SW of Douglas.
Roadside and adjacent bladed areas. Phenology: flowering & fruiting.
Accession: 677535, Barcode: RM0287221

U.S.A., New Mexico, San Miguel County: SW of Las Vegas on Rte 84; ca 2 mi S of I-25.
Disturbed roadside. Phenology: flowering.

U.S.A., Colorado, Larimer County: Along highway to Fort Collins from Big Thompson Canyon.

U.S.A., Colorado, Otero County: Rocky Ford.
Phenology: flowering.

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

U.S.A., New Mexico, San Miguel County: Pecos River National Forest: mouth of Holy Ghost Creek.

U.S.A., New Mexico, Union County: Panhandle National Forest.
0-5% southeast slope, loam, roadside. Phenology: flowering.
Annotated by Charles Feddema.

U.S.A., New Mexico, Taos County: Carson National Forest: Questa District; Cebolla Mesa.
Along roads, cultivated areas. Phenology: flowering & fruiting.

U.S.A., Colorado, Weld County: Ca 10 mi E of Fort Collins.
Roadside. Phenology: flowering & fruiting.
Annotated by Ronald L. Hartman in 2001.
with Robert M. Garvey

U.S.A., Colorado, Weld County: Pawnee National Grasslands: County Road 129, ca 1 mi N of New Raymer.
Annotated by Ronald L. Hartman in 2001.

U.S.A., Colorado, Weld County: Pawnee National Grasslands: Road 110, ca 2 mi S of Pawnee Buttes.
Annotated by Ronald L. Hartman in 2001.
with Robert M. Garvey

U.S.A., Colorado, Weld County:
Dry lake bottom, sandy loam. Phenology: flowering & fruiting.

U.S.A., New Mexico, Colfax County: Philmont Scout Ranch, near Cimarron: Rayado Camp.
Disturbed area. Phenology: flowering.

U.S.A., New Mexico, Colfax County: Philmont Scout Ranch, near Cimarron: Turkey Creek Canyon, 1.5 mi NW of Cimarron Canyon.
Along dirt road. Phenology: flowering & fruiting.

U.S.A., New Mexico, San Miguel County: Santa Fe (Pecos) National Forest: Indian Creek.
Sandy soil. Phenology: flowering & fruiting.

U.S.A., Colorado, Boulder County: University of Colorado.
Phenology: flowering.

U.S.A., Colorado, Boulder County: Flaggstaff Mountain.

U.S.A., Colorado, Weld County: Natural Fort adjacent to I-25, ca 3 air mi S of Wyoming state line.
Open canopy, disturbed soil at edge of narrowleaf cottonwood grove. Phenology: flowering & fruiting.
with Jane Struttmann

U.S.A., Colorado, Las Animas County: Mesa de Maya: low gap between east and west sections, roadside 4 mi E and 2 mi N of Branson.
Open range. Phenology: flowering.
with Tim Hogan

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: Goshen Hole: ca 1.5 mi SW of Torrington, along south side of North Platte River.
In sandy clay in river bottom with Cenchrus and Gutierrezia. Occasional. Phenology: fruiting.

U.S.A., Wyoming, Fremont County: Haines Farm, ca 9 air mi W of Riverton on U.S. Hwy 26.
South pasture.

U.S.A., Wyoming, Fremont County: Wind River Basin: Haines farm, ca 9 mi W of Riverton on U.S. Hwy 26.
Irrigation canal.
with Georgia Haines

U.S.A., Wyoming, Campbell County: [location and coordinates withheld]
Sagebrush plains, shallow draw, eroded slope, gravel roadside; roadside. Phenology: flowering.
with Mary Alice Sanguinetti

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 6 air mi NE of Soda Wells.
Eroded slopes, ravines, ponderosa pine slopes, wet ditches, plains; roadside. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sheridan County: [location and coordinates withheld]
Plains, rocky slopes, draw with standing water, creek and meadows; roadside. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: [location and coordinates withheld]
Sandy roadside ditch and roadcut. Phenology: flowering & fruiting.

U.S.A., Wyoming, Johnson County: Powder River Basin: ca 5 air mi NNE of Buffalo.
Rolling sagebrush plain over clinker base, hills, occasional clinker outcrops, gravel edges of roadway; roadway. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Powder River Basin: East Fork Coal Creek, ca 13 air mi NE of Reno Junction.
Plains. Phenology: flowering.
with Mary Alice Sanguinetti

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Walker Creek or County Road 43 on the divide between Walker and Lightning creeks, ca 17.5 air mi SE of Bill; ca 29.5 air mi NE of Douglas.
Roadside. Phenology: flowering.

U.S.A., Wyoming, Goshen County: [location and coordinates withheld]
Roadside. Phenology: flowering.

U.S.A., Wyoming, Converse County: [location and coordinates withheld]
Roadside and adjacent bladed areas. Phenology: flowering & fruiting.

U.S.A., Wyoming, Niobrara County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Lance Creek off Lance Creek or County Road 14, ca 7.3 air mi N of Lance Creek; ca 27.5 air mi NNW of Lusk.
Roadside and adjacent bladed areas. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Cow Creek and the north end of Cow Creek Buttes, ca 15 air mi ENE of Bill; ca 43 air mi NE of Douglas.
Roadside through the stream valley. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along Brush Creek or County Road 91 ca 0.5 mi W of Brush Creek, ca 17 air mi WNW of Chugwater; ca 14 air mi SW of Wheatland.
Roadside on stony plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Niobrara County: Southern Powder River Basin/Southeastern Plains: Hartville Uplift: along a triburtary of Silver Springs Creek on Silver Springs or County Road 54, ca 8.5 air mi SSW of Lusk.

U.S.A., Wyoming, Niobrara County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: west end of Cedar Breaks and head of Dumbell Rock Draw, ca 14 air mi SW of Lance Creek; ca 22.5 air mi WNW of Lusk.

U.S.A., Wyoming, Niobrara County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: a tributary of Cedar Canyon off Divide or County Road 24, ca 8 air mi WSW of Lance Creek; ca 24.5 air mi NW of Lusk.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along Rocky Hollow between Bear and Horse creeks, ca 1/2-3/4 air mi N of Laramie County, ca 15 air mi WSW of La Grange; ca 36 air mi SSW of Torrington.
Roadside and adjacent right-of-way. 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 1.3 air mi SSW of Fort Laramie (town); ca 21 air mi NW of Torrington.
Gravelly sand bars and river margin. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: 13 mi SE of Glenrock.
Roadside with Verbena and Melilotus.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: ca 9.5 air mi W of Wheatland.
Short-grass prairie and drainage. Phenology: flowering.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: Johnson Reservoir 3, ca 6 air mi NNW of Wheatland.
Sandy slopes and lake margin. Phenology: flowering.

U.S.A., Wyoming, Platte County: [location and coordinates withheld]
Sandy plains and road cuts. Phenology: flowering.

U.S.A., Wyoming, Crook County: Rockyford: near Sundance Creek; (Green Mountain).
( ) From field notes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Hulett.
Roadsides. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Bear Lodge Mountains: Reuter Campground, ca 3 air mi NW of Sundance.
Edge of road. Phenology: fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Bear Lodge Mountains: east side of Norgrain Hill, ca 6 air mi NE of Aladdin, ca 24.5 air mi NE of Sundance.
Between the road and fence. Phenology: fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Bear Lodge Mountains: Jane Draw, ca 2.3 air mi NNE of Aladdin, ca 21 air mi NE of Sundance.
Edge of road. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Belle Fourche River, ca 1.8 air mi W of Devils Tower Junction, ca 19.5 air mi NE of Moorcroft on Inyan Kara Road.
Roadside. Phenology: fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Little Houston Creek along I-90; ca 11.8 air mi SW of Sundance.
Roadside. Phenology: fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Miller Creek, Garman Ranch; ca 9.5 air mi SSE of Devils Tower.
Roadside near ranch buildings. ( ) From field notes. Phenology: flowering.

U.S.A., Wyoming, Crook County: Black Hills: Inyan Kara Creek E of HK Divide, ca 15 air mi W of Sundance.
Grassland, roadside. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Black Hills: headwaters of Bitter Creek; ca 2.5 air mi WNW of Alva.
Grassland, disturbed soil near reservoir. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Houston Creek where it turns south (near Harvey Divide), ca 10 air mi W of Sundance.
Grassland, on dirt road. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Black Hills, Bear Lodge Mountains, head of Rocky Ford Creek, Government Valley Road, ca 3 air mi NNE of Sundance.
Grassland, roadside. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Black Hills: West Plum Creek ca 4 mi N of confluence with East Plum Creek, ca 11 air mi NNW of Newcastle.
Edge of dirt road in grassland. Phenology: flowering.

U.S.A., Wyoming, Weston County: [location and coordinates withheld]
with Dennis Horning

U.S.A., Wyoming, Weston County: Black Hills: Elk Mountain area: Clifton Canyon above confluence with Lost Canyon, ca 13.5 air mi SSE of Newcastle.
Sagebrush-grassland (Artemisia tridentata-Andropogon scoparius) on ridge NW of canyon, on old dirt road. Phenology: flowering & fruiting.
with Dennis Horning

U.S.A., Wyoming, Weston County: [location and coordinates withheld]
Sagebrush-grassland (Artemisia tridentata), on wet spot in old dirt road. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: [location and coordinates withheld]
Grassland on red shale soil (Spearfish Formation), roadside. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Beaver Creek; ca 6.5 air mi NNW of Alva.
Wooded creek bottoms, prairie, sandy slopes below rock outcrop, and roadside; roadside. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Elk Creek Road near Wyo Hwy 59.
Roadside with Tribulus and Verbena. Flower yellow. Phenology: flowering.

U.S.A., Kansas, Morton County: Cimarron National Grassland: Point of Rocks and along the Santa Fe Trail and vicinity above the Cimarron River, ca 2.5 air mi W of Kan Hwy 27, ca 7 air mi NNW of Elkhart.
Parking lot. Phenology: flowering & fruiting.
Annotated by B. E. Nelson.

U.S.A., Colorado, Las Animas County: Comanche National Grassland: between Bravo Canyon and Bent Canyon, ca 29 air mi SSW of La Junta.
Along canyon dominated by Juniperus monosperma, Bouteloua curtipendula, and Cercocarpus montanus. Phenology: fruiting.
Annotated by Bernadette Kuhn.
with Joe Rankin

U.S.A., Colorado, Las Animas County: Comanche National Grassland: ca 3 mi S of Tobe, ca 56 air mi S of La Junta.
Shortgrass prairie below mesa. Phenology: fruiting.
Annotated by Bernadette Kuhn.
with Joe Rankin

U.S.A., Colorado, Otero County: Comanche National Grassland: Colo Hwy 109 ca 5 mi S of La Junta at the entrance sign to Comanche National Grassland.
Roadside and shortgrass prairie with grama grass and annual sunflower; soils grayish and limestone derived. Phenology: flowering & fruiting.
Annotated by Bernadette Kuhn.

U.S.A., Colorado, Otero County: Comanche National Grassland: Colo Hwy 109 ca 5 mi S of La Junta at the entrance sign to Comanche National Grassland.
Roadside and shortgrass prairie with grama grass and annual sunflower; soils grayish and limestone derived. Phenology: fruiting.

U.S.A., Colorado, Las Animas County: Comanche National Grassland: junction of U.S. Hwy 160 and the Villegreen Road, ca 9.5 ai WSW of Kim; 6 mi S of Villegreen.
Roadside in shortgrass prairie. - Phenology: flowering & fruiting.
Annotated by Brian Elliott.

U.S.A., Colorado, Las Animas County: Comanche National Grassland: along and adjacent to Tobe Creek, ca 1.2 mi S of Tobe and U.S. Hwy 160; ca 14 mi SE of Kim.
Shortgrass prairie and riparian. Phenology: fruiting.
Annotated by Brian Elliott.

U.S.A., Colorado, Otero County: Comanche National Grassland: ca 31 air mi SW of La Junta.
Limestone shale hills with scattered Juniperus virginiana. Phenology: fruiting.
with Joe Rankin

U.S.A., Colorado, Las Animas County: [location and coordinates withheld]
Dakota sandstone canyon dotted with Juniperus monosperma. Phenology: flowering & fruiting.
with Don Hazlett

U.S.A., Colorado, Otero County: [location and coordinates withheld]
At spring, Dakota sandstone canyon dominated by Prunus, Ribes, and Rhus. Phenology: flowering & fruiting.
with Don Hazlett

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: small pond on ridgeline between Caliente Canyon and East Fork Chimney Canyon, 8 air mi ENE of Casa Grande and 1.5 air mi S of NM Hwy 555.
Small muddy man-made pond ringed by Juncus spp., Eleocharis spp., Polygonum aviculare, grasses. Heads yellow; frequent in bare muddy soil. Photographed. Phenology: flowering.
Annotated by Ben Legler on 1/12/2008.

U.S.A., Colorado, Las Animas County: Vermejo Park Ranch: in Long Canyon 0.65 air mi N of mouth of Joe Baker Canyon; 1.1 air mi N of New Mexico and 15 air mi SW of Raton.
Rocky bar adjacent to flowing stream, with Verbascum thapsus, Ambrosia, Ratibida columnifera, grasses. Heads yellow; occasional in road bed. Phenology: flowering.
Annotated by Ben Legler on 1/12/2008.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: roadside along Vermejo River at mouth of Gachupin Canyon; 9.3 air mi SE of Casa Grande.
Dry weedy roadside with Kochia scoparia, Ambrosia acanthicarpa, Chenopodium spp., grasses. Heads yellow, short ray flowers present; occasional on road shoulder. Phenology: flowering.
Annotated by Ben Legler on 1/12/2008.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: small dirt road at west end of Vermejo Park, south side of Vermejo River 1.5 air mi WNW of Casa Grande.
Weedy roadside and adjacent grassland, silty soil, with Ambrosia acanthicarpa, Amaranthus powellii, Bidens tenuisecta, grasses. Heads yellow with minute rays; common along road. Photographed. Phenology: flowering.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: old strip mine at junctions of York Canyon and Road Canyon near end of NM Hwy 555; 3.5 air mi SE of Casa Grande.
Old coal strip mine adjacent to old mine administration building, now revegetated. Flowers yellow with minute rays; abundant in compacted gravelly soil. Phenology: flowering.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: meadows on south side of mud flat 1.5 air mi E of Castle Rock; 5.5 air mi WSW of Casa Grande.
Dry grassy meadows dominated by Festuca arizonica, Orthocarpus luteus. Heads yellow, with minute rays; common along road side. Phenology: flowering.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: road along crest of ridgeline between Left Fork and Right Fork of York Canyon; 4.3 air mi N of Casa Grande.
Gravel road maintained for oil well access, with dry gravelly shoulders and scattered weeds; located in recently burned Pinus ponderosa forest. Heads yellow-orange; plants frequent along road shoulder. Specimen GPS: 36.951595, -104.971321. Phenology: flowering.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: in Left Fork York Canyon 1.1 air mi NW of junction with Right Fork York Canyon and 2.6 air mi NE of Casa Grande.
Dry, rocky, coal mine spoils sparsely vegetated with grasses, Medicago lupulina, and Daucus carota. Heads yellow with minute ray flowers; plants scattered along road shoulder. Specimen GPS: 36.921856, -104.955536. Phenology: flowering.

U.S.A., Colorado, Las Animas County: Vermejo Park Ranch: in Right Hand Fork Martinez Canyon 1/2 air mi up canyon from junction with Left Hand Fork Martinez Canyon; 17.7 air mi WSW of Trinidad.
Canyon-bottom grassland; deep fine soil, with Ratibida columnifera, Bouteloua gracilis, Verbascum thapsus, Verbena macdougalii, and Chenopodium. Flowers yellow; plants frequent along dirt road shoulders. Specimen GPS: 37.034668, -104.736717. Phenology: flowering.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: ridge between Gachupin Canyon and the Vermejo River 2.6 air mi NW of mouth of Gachupin Canyon.
Revegetated coal strip mine among hills dominated by Pinus edulis; mine surface dominated by Atriplex canescens var. canescens, Salsola spp., and Bouteloua gracilis. Flowers yellow; frequent. Specimen GPS: 36.804588, -104.90023. Phenology: flowering.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: flats on south side of mouth of Van Bremmer Canyon 1.4 air mi NW of U.S. Hwy 64.
Flat, open woodland of Pinus edulis and Juniperus monosperma at base of sandstone hill on edge of prairie, with Bouteloua gracilis, Artemisia frigida, Dysphania graveolens, and Portulaca oleracea. Flowers yellow; frequent in openings. Specimen GPS: 36.580326, -104.80571. Phenology: flowering.

U.S.A., Colorado, Las Animas County: Vermejo Park Ranch: in Lorencito Canyon 1.3 air mi N of New Mexico and 20.7 air mi SW of Trinidad.
East-facing slope dominated by shrubby Quercus gambelii with scattered Juniperus scopulorum and Pinus ponderosa; herbaceous cover sparse, of Bouteloua curtipendula, Schizachryum scoparium, and Eriogonum jamesii var. jamesii; rocky soil over sandstone. Flowers yellow; plants common in grassy areas at base of slope. Specimen GPS: 37.01247, -104.83773. Phenology: flowering.

U.S.A., New Mexico, Union County: Jim O'Bryant's Ranch: 1 1/2 air mi N of Clayton on NM Hwy 370.
Shortgrass prairie, not recently grazed, and up the canyon walls to top; ancient lava flows. Phenology: flowering & fruiting.
Michael Schiebout, 2569. 8/9/2004.

U.S.A., South Dakota, Harding County: Custer National Forest: North Cave Hills: near the head of Schleichart Draw ca 0.5 air mi W of Riley Pass, ca 18 air mi N of Buffalo.
On and along a two-track. Phenology: flowering.

U.S.A., South Dakota, Harding County: Custer National Forest: Slim Buttes: in the vicinity of Rimrock Spring, ca 1 air mi S of Forest Road 3151, ca 7.5 air mi SE of Summit Pass on SD Hwy 79 and ca 31 air mi SE of Buffalo.
Mixed grass and badlands. Phenology: flowering & fruiting.

U.S.A., South Dakota, Harding County: Custer National Forest: Slim Buttes: in the vicinity of Willard Gap off of Rimrock Trail or Forest Road 3150, ca 3 air mi ESE of Summit Pass on SD Hwy 79 and ca 26.5 air mi SE of Buffalo.
Near the rim of a cliff with scattered ponderosa pine, junipers, and grasses. Phenology: flowering.

U.S.A., Montana, Carter County: Just E of Beaver Creek Road ca 1.5 air mi NW of Red Butte, ca 15.5 air mi NNE of Ashland.
Grass-dominated upland with scattered ponderosa pine. Phenology: flowering & fruiting.

U.S.A., Colorado, Las Animas County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: I-25 frontage road to Chicosa Canyon, SE of Hoehne exchange.

U.S.A., Colorado, Chaffee County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Sangre de Cristo Range: ca 1-2 air mi S of Salida (city center).
Pinyon-oak shrubland with grassy openings. Phenology: flowering & fruiting.
Annotated by Brian Elliott.

U.S.A., North Dakota, Billings County: Gorham.
Clay roadside. Phenology: flowering.
with William A. Kluender

U.S.A., South Dakota, Hughes County: Pierre.
Phenology: fruiting.

U.S.A., Nebraska, Keith County: South side of the North Platte River above Keystone Lake.
In hard-packed soil of the upper road with Munroa squarrosa. Phenology: flowering.

U.S.A., Nebraska, Washington County: Near Arlington.
In dry soils. Phenology: flowering.

U.S.A., Montana, Flathead County: Glacier National Park: Lake McDonald.
Phenology: fruiting.

U.S.A., Montana, Carter County: Long Pines Area SE of Ekalaka.
Roadside with Chenopodium botrys and Euphorbia. Corolla yellow. Phenology: flowering.

U.S.A., Montana, Carbon County: Bighorn Canyon National Recreation Area: Mustang Flats.
On gravel should along segments of the BHCNRA paved road; slope 0-3%, north aspect; occurs with Verbena bracteata, Grindelia squarrosa, Euphorbia serpyllifolia. Phenology: flowering.

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.
Sagebrush-grasslands on clay soil with steep-sided draws. Phenology: flowering & fruiting.
Joseph L. M. Charboneau, 1851. 7/18/2010.

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: 2.5 air mi S of Apache City, I-25 and County Road 110.
Roadside along frontage road. Phenology: flowering.

U.S.A., Colorado, Saguache County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Cochetopa Hills: McIntyre Ridge, 4-4.5 air mi ENE of Saguache.
Volcanic rock outcrops. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: Ca 6 mi N of town of Fort Laramie.
42° 17.2' N, 104° 31.5' W; unknown, , Specimen Label
Roadside, with Bromus and Verbena. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: Table Mountain Wildlife Area: ca 4 mi SE of Huntley.
41° 51.9' N, 104° 8.2' W; unknown, , Specimen Label
Grassland, with Aristida and Opuntia. Flowers yellow. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Ca 12 mi SW of Glendo.
Roadside, with Helianthus and Melilotus. Flowers yellow. Phenology: flowering.

U.S.A., Wyoming, Platte County: Ca 11 mi SW of Wheatland.
Roadside, with Cirsium and Verbena. Flowers yellow. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Ca 6 mi SSW of Hulett.
Roadside, with Helianthus and Verbena. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Camp Guernsey: site on Emigrant Hill road 940 m S of Range Guard 1.
513264E, 4701721N; unknown, GPS reading
Sloped; disturbed roadside; silty loam; with Heterotheca villosa, Solidago missouriensis, Ambrosia psilostachya, Bromus tectorum, B. japonicus, Elymus trachycaulus. Foul-smelling, orange glands on phyllaries, pappus of awns, disks are yellow. Phenology: flowering.

U.S.A., Wyoming, Platte County: Camp Guernsey; site on Emigrant Hill road 230 m S of Range Guard 1.
512902E, 4702330N to ; unknown, GPS reading
Level; disturbed roadside; silty loam; with Verbena bracteata, Ambrosia psilostachya, Chamaesyse sp., Bromus tectorum, Achnatherum hymenoides. Local; ascending to erect, taprooted, annual herb; 1 dm tall; foul-smelling, orange glands on phyllaries, pappus of awns. Phenology: flowering.

U.S.A., Wyoming, Platte County: Camp Guernsey: Dead Horse Canyon, ca 2 km N of Emigrant Hill and ca 3 km NE of Guernsey Reservoir.
zone DMC, 520000E, 4689450N; unknown, GPS reading
Gentle to moderate slopes; disturbed, mixed grassland prairie; sandy loam; with Yucca glauca, Koeleria macrantha, Stipa comata, Schizachyrium scoparium. Common; erect to asending, taprooted, annual herb; 15-20 cm tall; fetid-smelling; disk yellow; ray none. Phenology: fruiting.
with Carlos A. Popolizio