Thelesperma megapotamicum (2004)
ASTERACEAE
Thelesperma megapotamicum (Spreng.) Kuntze
U.S.A., Arizona, Coconino County: Sitgreaves National Forest: ca 50 air mi SSW of Winslow on Forest Road 34 (continuation of Ariz Hwy 99) at junction with Forest Road 211.
Elev. 6640 ft.
Pinyon/juniper with pondrosa pine scattered and roadside; roadside. Phenology: flowering & fruiting.
Accession: RM (unaccessioned)

Thelesperma megapotamicum (2006)
ASTERACEAE
Thelesperma megapotamicum (Spreng.) Kuntze
U.S.A., Arizona, Coconino County: Sitgreaves National Forest: Mogollon Plateau: Chevelon Canyon Campground and Chevelon Crossing on Forest Road 504, ca 15.5 air mi NW of Heber; ca 30.5 air mi S of Winslow.
Stream bank and adjacent thickets. Phenology: flowering.
with James F. Fowler, Brian Reif
Accession: RM (unaccessioned)

Thelesperma megapotamicum (2006)
ASTERACEAE
Thelesperma megapotamicum (Spreng.) Kuntze
U.S.A., Arizona, Navajo County: Sitgreaves National Forest: Mogollon Plateau: Wildcat Canyon above Forest Road 504, ca 10.5 air mi NW of Heber; ca 25.5 air mi S of Winslow.
Canyon bottom, walls, and slopes on limestone. Phenology: flowering & fruiting.
with James F. Fowler, Brian Reif
Accession: RM (unaccessioned)

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 & fruiting.
with James F. Fowler, Brian Reif

U.S.A., Arizona, Navajo County: Sitgreaves National Forest: Black Canyon along Forest Road 86, ca 3 air mi SW of Heber.
Elev. 6800 ft.
Limestone outcrop with sandy soil below. Phenology: flowering.
Annotations:
1. Thelesperma megapotamicum (Spreng.) Kuntze
Annotated by B. E. Nelson.

U.S.A., Arizona, Navajo County: Sitgreaves National Forest: Black Canyon along Forest Road 86, ca 3 air mi SW of Heber.
Limestone outcrop with sandy soil below. Phenology: flowering & fruiting.
Annotations:
1. Thelesperma megapotamicum (Spreng.) Kuntze
Annotated by B. E. Nelson.

U.S.A., New Mexico, Colfax County: NM Hwy 72, 4 road mi E of I-25 (milepost 4).
Grassy roadside. Phenology: flowering & fruiting.
Accession: RM 961001, Barcode: RM0216541

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 & fruiting.
Accession: RM 961000, Barcode: RM0216540

U.S.A., New Mexico, Lincoln County: Lincoln National Forest: N side of Ruidoso: Cedar Creek, just NW of ranger station.
T11S R13E S16
Open meadow with scattered pines. Phenology: flowering & fruiting.
Accession: RM 527007

U.S.A., Arizona, Apache County: Apache National Forest: 1 mi W of Eagar.
3% north slope; shortgrass type with Bouteloua gracilis and Juniperus monosperma. Phenology: flowering & fruiting.
Annotations:
1. Thelesperma megapotamicum (Spreng.) Kuntze
Annotated by Kittie F. Parker.
Accession: USFS 484502

U.S.A., Arizona, Apache County: Apache National Forest: Near Nutrioso.
T7N R30E S31
5% north slope; sandy loam; mixed prairie. Phenology: flowering.
Annotated by Charles Feddema.
Accession: USFS 484482

U.S.A., New Mexico, Bernalillo County: Sandia Mountains: near San Antonio.
T10N R5E S10
Roadside. Phenology: flowering & fruiting.
Annotated by T. E. Melchert.
1.
Annotated by Ruth Ashton Nelson.
Accession: RM 133451

U.S.A., New Mexico, Bernalillo County: Albuquerque.
T10N R3E
Phenology: flowering & fruiting.
Annotated by T. E. Melchert.
1.
Annotated by Ruth Ashton Nelson.
Accession: RM 133454

U.S.A., New Mexico, Dona Ana County: Mesilla Valley.
Mesa. Phenology: flowering.
Annotated by T. E. Melchert.

U.S.A., New Mexico, Lincoln County: El Capitan Mountains.
Phenology: flowering & fruiting.

U.S.A., New Mexico, Lincoln County: Gray.
Phenology: flowering.
with Esther S. Earle

U.S.A., New Mexico, Bernalillo County: Manzano Mountains.
T8N R5E S20
Phenology: flowering.

U.S.A., New Mexico, Roosevelt County: 5 mi NE of Portales.
Open sand. Phenology: flowering & fruiting.
with C. L. Hitchcock

U.S.A., Arizona, Apache County: White Mountains: 12 mi N of White River.
In dry semi-meadow. Apache/Navajo counties. Phenology: flowering.
with C. L. Hitchcock

U.S.A., New Mexico, Sierra County: Datil National Forest: Ranger Station pasture.
Southeast slope: gravelly soil. Phenology: flowering.
Accession: USFS 484498

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: along the old Chili Line Railroad Grade and Forest Road 557 just SE of Taos Junction, ca 9.5 air mi ENE of Ojo Caliente.
Pinyon forest with sagebrush on sandy to sandy clay soil. Phenology: flowering.
Accession: RM 950837, Barcode: RM0158223

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: along Canada Embudo and adjacent slopes from Clarkson Tank N, ca 10 air mi E of Ojo Caliente.
Pinyon/juniper forest on sandy to gravelly slopes. Phenology: flowering & fruiting.

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: on Forest Road 556 TG S to the top of the rim, ca 2 air mi SSW of Cerro Azul, ca 7.5 air mi SE of Ojo Caliente.
Pinyon/juniper woodland on sandy to sandy-clay shallow slopes and flats. Phenology: flowering & fruiting.

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: along Forest Road 556 TG, ca 1.5 air mi SW of Cerro Azul, ca 7.5 air mi SE of Ojo Caliente.
Sandy pinyon/juniper woodland. Phenology: flowering & fruiting.

U.S.A., New Mexico, Catron County: Datil National Forest: Evans Big Horse Pasture.
North slope; sandy clay. Phenology: flowering & fruiting.
Harold Peckenpaugh, 45. 7/30/1924.

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: Juan Jose Lobato Grant: just N of Abiquiu Reservoir from roadside table along U.S. Hwy 84, N along wash, ca 2 air mi SE of Ghost Ranch Presbyterian Center and ca 11 air mi S of Canjilon.
Rocky slopes above wash. Phenology: flowering & fruiting.

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: Juan Jose Lobato Grant: Arroyo del Cobre, ca 1 3/4 air mi W of Abiquiu, N of Abiquiu Elementary School, up Arroyo past Cerrito de la Ventana.
Major wash with tamarisk, Chrysothamnus nauseosus, Sporobolus species, and Bouteloua species on San Rafael and Chinle formation sandstones. Phenology: flowering & fruiting.

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: Canada de los Comanches along Taos County line, ca 2 air mi SE of Servilleta Plaza and ca 6 air mi NW of Taos Junction.
Sandy soils with Gutierrezia sarothrae, Chrysothamnus nauseous, Heterotheca villosa, Bouteloua gracilis, and Sporobolus species. Phenology: flowering & fruiting.

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: Forest Road 94, ca 2 air mi S fo Las Placitas, just S of CCC Spring.
Dry wash with Salix and Rhus trilobata. Phenology: flowering & fruiting.

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: Picuris Pueblo Indian Reservation: Cerro Blanco, ca 0.5 air mi N of Vadito.
Pinyon/juniper woodland with Koeleria macrantha and Haplopappus; near outcrop of sedimentary rock. Phenology: flowering & fruiting.

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: Picuris Pueblo Indian Reservation: E of NM Hwy 76, ca 1 air mi NNE of Chamisal and ca 2 air mi SSW of Picuris Pueblo.
Artificial ponds ringed with Schoenoplectus and Typha; surrounding areas disturbed by creation of ponds. Phenology: flowering & fruiting.

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: Red Wash Canyon on north side of U.S. Hwy 84, ca 4 air mi WNW of Abiquiu.
Pinyon/juniper woodland with Opuntia phaeacantha; sandy, dry wash lined with Fallugia paradoxa; Chinle formation and Entrada sandstones. Phenology: flowering & fruiting.

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: Juan Jose Lobato Grant: Forest Road 23, ca 1 air mi E of junction of U.S. 84 and NM Hwy 96, ca 2 air mi E of east high waterline of Abiquiu Reservoir, ca 6 air mi NW of Abiquiu.
Pinyon/juniper woodland on sandstone. Phenology: flowering & fruiting.

U.S.A., New Mexico, Lincoln County: Gray.
Phenology: flowering.
Josephine Skehan, 43. 7/29/1898.

U.S.A., New Mexico, Lincoln County: Gray.
Phenology: flowering & fruiting.
1.
Annotated by Edward L. Greene.
Josephine Skehan, s.n.. 7/29/1898.

U.S.A., Arizona, Cochise County: Chiricahua Mountains: Outlaw Canyon.
Semi wooded flats. Phenology: flowering.

U.S.A., New Mexico, Chaves County: Between Roswell and Carlsbad.
T13S R25E S9
Roadside. Phenology: flowering.

U.S.A., New Mexico, Bernalillo County: Albuquerque.
T10N R3E

U.S.A., Wyoming, Laramie County: Wetlands and Adjacent Areas: Bear Creek, ca 9 air mi SSE of Chugwater.
Dry rocky slopes and uplands. Phenology: flowering.

U.S.A., Wyoming, Goshen County: Wetlands and Adjacent Areas: Newell Bay, Guernsey Reservoir, ca 2 air mi NW of Guernsey.
Dry rocky banks. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: Wetlands and Adjacent Areas: Black Canyon Point, Guernsey Reservoir, ca 3 air mi NW of Guernsey.
Rocky dry slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: Wetlands and Adjacent Areas: North Platte River, ca 4 air mi SE of Glendo.
Moist flood plains. Phenology: flowering.

U.S.A., Arizona, Apache County: 5 mi S of junction 191/160 along Hwy 191 S of Mexican Water.
Muhlenbergia-Ephedra-chrysothamnus community. Phenology: flowering & fruiting.

U.S.A., New Mexico, Hidalgo County: At the Continental Divide: Hwy 90: ca 20 mi NE of Lordsburg.
Reseeded roadside. Phenology: flowering & fruiting.
with S. L. Welsh

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

U.S.A., New Mexico, Grant County: Bear Mountain, near Silver City.

U.S.A., Wyoming, Platte County: 2-3 mi NE of Chugwater.
41.7831° N, 104.7913° W; NAD 83, uncertainty 1 mi., Digital Map
Dry, grassy hills. Phenology: flowering & fruiting.
with Marjorie W. Porter

U.S.A., Wyoming, Platte County: 10 mi SW of Wheatland.
41.9466° N, 105.0901° W; NAD 83, uncertainty 2 mi., Digital Map
Dry rocky hillsides. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Guernsey Lake State Park.
42.3039° N, 104.7659° W; NAD 83, uncertainty 1 mi., Digital Map
On cut banks, dry hillsides. Phenology: flowering & fruiting.

U.S.A., Wyoming, Laramie County: 5 mi N of Pine Bluffs.
Marly outcrops. (5 miles north of) field book Phenology: flowering & fruiting.

U.S.A., New Mexico, Rio Arriba County: Santa Fe National Forest and Vicinity: Jemez Mountains: Salitral Creek and spring, 4.5 air mi WNW of Coyote, where Forest Road 148 crosses creek. Collection within 1/4 mi up and down creek and at nearby spring.
Riparian and sandy banks. Significant salt deposits. Phenology: flowering & fruiting.

U.S.A., New Mexico, Dona Ana County: Organ Mountains: San Augustine Pass along U.S. Hwy 70.
T22S R4E S6 NW1/4
Igneous substrate, open rocky and grassy slopes with scattered oaks. Phenology: flowering.

U.S.A., New Mexico, Rio Arriba County: Santa Fe National Forest and Vicinity: Jemez Mountains: Canyon de la Alameda to Rio Gallina, 14 air mi NNE of Gallina. SW for 1 air mi in canyon to Rio Gallina then 0.4 air mi E along river.
Pinyon/juniper woodland of river. Phenology: flowering & fruiting.

U.S.A., New Mexico, Rio Arriba County: Santa Fe National Forest and vicinity: Jemez Mountains: Arroyo de los Frijoles, 2.5 air mi W of Abiquiu. From corral at start of Barranca Trail 111 3.4 air mi S to Frijoles Spring.
Riparian through canyon of soft sedimentary rock in pinyon/juniper woodland. Excised drainage choked with clover. Phenology: flowering & fruiting.

U.S.A., New Mexico, Santa Fe County: Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Rio Frijoles Trail 154 just E of Santo Domingo de Cundiyo Land Grant, 8 air mi SE of Chimayo. SE in canyon along trail for 0.2 air mi from E edge of land grant.
Riparian of river, and meadows, in canyon bottom with mixed conifer slopes. Canyon tightening upstream with encroachment of granitic cliffs. Phenology: flowering & fruiting.

U.S.A., New Mexico, Santa Fe County: Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Rio Medio off Forest Road 436, E of the Santo Domingo de Cundiyo Land Grant and 7 air mi ESE of Chimayo. E along river 0.4 air mi to gate at narrowing of canyon.
Canyon bottom a grazed, irrigated meadow next to riparian of river. Pinyon/juniper woodland slopes with granitic bluffs and cliffs. Phenology: flowering & fruiting.

U.S.A., New Mexico, Santa Fe County: Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Santa Fe Municipal Watershed, 3 air mi ENE of Santa Fe, in vicinity of Randall Davey Audubon Center. E on road to 0.2 air mi.
Roadside through pinyon-juniper woodland along contour, and just S of the river. Wet roadside culverts. Phenology: flowering & fruiting.

U.S.A., New Mexico, Sandoval County: Santa Fe National Forest and Vicinity: Jemez Mountains: Forest Road 10, ca 2 road mi NNE of Ponderosa at entrance to National Forest.
Roadside, streamside. Phenology: flowering & fruiting.

U.S.A., New Mexico, Sandoval County: Santa Fe National Forest and Vicinity: Jemez Mountains: intersection of NM Hwy 485 and NM Hwy 4.
Roadside and river margin. Phenology: flowering & fruiting.

U.S.A., New Mexico, Rio Arriba County: Santa Fe National Forest and Vicinity: Jemez Mountains: 3-4 air mi NW of Llaves at junction of Forest Road 312 and Forest Road 313.
Ponderosa pine forest and riparian. Phenology: flowering.

U.S.A., New Mexico, Rio Arriba County: Santa Fe National Forest and Vicinity: Jemez Mountains: Wolf Draw, ca 9 air mi NW of Llaves on Forest Road 312.
Roadside and ponderosa pine forest. Phenology: flowering.

U.S.A., New Mexico, Rio Arriba County: Santa Fe National Forest and Vicinity: Jemez Mountains: Arroyo del Toro, 0.5 air mi up stream from U.S. Hwy 84.
Sandy streambed. Phenology: flowering.

U.S.A., New Mexico, Rio Arriba County: Santa Fe National Forest and Vicinity: Jemez Mountains: Canyon Madera, first mile from road.
Sandy slopes and stream bottom. Phenology: flowering & fruiting.

U.S.A., New Mexico, Rio Arriba County: Santa Fe National Forest and Vicinity: Jemez Mountains: Forest Road 144, Los Cerros area, 11 air mi W of Espanola.
Roadside and ponderosa pine forest. Phenology: flowering & fruiting.

U.S.A., New Mexico, Rio Arriba County: Santa Fe National Forest and Vicinity: Arroyo Gavilan, 2.3 road mi S of Taos County on U.S. Hwy 285.
Sandy drainage. Phenology: flowering & fruiting.

U.S.A., New Mexico, Rio Arriba County: Santa Fe National Forest and Vicinity: Jemez Mountains: 16 air mi NNE of Espanola to 0.5 road mi S on U.S. Hwy 285.
Roadside. Phenology: flowering & fruiting.

U.S.A., New Mexico, Rio Arriba County: Santa Fe National Forest and Vicinity: Jemez Mountains: 6.5 road mi N of Espanola; intersection of U.S. Hwy 285 and NM Hwy 74, to 1 mi SE.
Roadside. Phenology: flowering & fruiting.

U.S.A., New Mexico, Lincoln County: Lincoln National Forest: Ruidoso District, South Coe Allotment.
25 degree north slope; gravelly, rocky soil; scattering with pinyon, juniper and blue grama. Phenology: flowering.
Robert S. Campbell, 17. 8/21/1928.
with Vance A. Thomas

U.S.A., New Mexico, San Miguel County: Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: on NM Hwy 3 along Pecos River W of Villanueva State Park, 10 air mi SSE of I-25/NM Hwy 3 junction.
Roadside corridor with pinyon/juniper woodland on sedimentary slope to north; irrigation ditch and riparian of cottonwood, Russian olive to south. Phenology: flowering & fruiting.

U.S.A., New Mexico, Sandoval County: Santa Fe National Forest and Vicinity: Jemez Mountains: Arroyo Montasa canyon, 1 air mi up canyon from junction with the Rio Grande River and across river from Bandelier National Monument. W 0.3 air mi to N35.716 W106.256 at pour off.
Riparian bottom; steep, metamorphoic canyon walls with juniper . Phenology: flowering & fruiting.

U.S.A., New Mexico, Sandoval County: Santa Fe National Forest and Vicinity: Jemez Mountains: Canyon del Raphael Gallegos from NM Hwy 4, 3 air mi SSW of Jemez Springs.
Sandy wash with exposed sandstone bedrock and scattered boulders through pinyon/juniper woodland; mountain mahogany. Gambels oak, and Apache plume in wash. Phenology: flowering.

U.S.A., New Mexico, Sandoval County: Santa Fe National Forest and Vicinity: Jemez Mountains: southern edge of Peggy Mesa above Osha Canyon, 2 air mi W of Gilman. S 0.2 air mi to canyon rim.
Mesa with scattered ponderosa pine and thick Gambels oak. Canyon rim with exposed sandstone bedrock. Phenology: flowering & fruiting.

U.S.A., New Mexico, Santa Fe County: Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: County Road 503 N into La Caja Canyon on Debris Basin Trail and along Rio Medio to southern end of Santa Cruz Reservoir, 1 air mi W of Cundiyo.
Pinyon/juniper slopes and dry wash. Phenology: flowering & fruiting.

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: flowering & fruiting.

Thelesperma megapotamicum ()
U.S.A., New Mexico, Dona Ana County: Jornada Range Reserve: near Quadrat-G-5, pasture 2.
5 degree east slope; sandy soil; with Bouteloua eriopoda and associated species. Phenology: flowering.
Robert S. Campbell, 727. //.

U.S.A., New Mexico, Santa Fe County: Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Rio en Medio Trail 163, 4.5 air mi NE of Tesuque.
Trailside and old roadbed through canyon bottom in ponderosa pine forest. Phenology: flowering.

U.S.A., New Mexico, Torrance County: 1 mi E of Tajique.
T6N R6E
5% east slope;occasional on roadside. Phenology: flowering.
Annotated by Charles Feddema.

U.S.A., New Mexico, San Miguel County: Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Anton Chico Grant: Pecos River at prominent oxbow, 5 air mi ENE of Villanueva.
Grazed, north, sedimentary bank of river dominated by Russian olive. Phenology: flowering & fruiting.

U.S.A., New Mexico, San Miguel County: Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Anton Chico Grant: vicinity of a tributary of Arroyo Leguino, ca 1.3 air mi E of La Mesita, ca 20.5 air mi S of Las Vegas.
Sandy slopes and flats in juniper/grassland. Phenology: flowering.

U.S.A., New Mexico, San Miguel County: Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Anton Chico Grant: along Arroyo Leguino just below the northwest end of Mesita de los Ladrones, ca 7.5-8 air mi E of Villanueva; ca 21 air mi S of Las Vegas.
Sandy flat valley floor above the arroyo. Phenology: fruiting.

U.S.A., New Mexico, San Miguel County: Santa Fe National Forest and Vicinity: Glorieta Mesa: Valle Grande on Forest Road 323, ca 4.5-5 air mi S of South San Ysidro; ca 13.5-14 air mi SSE of Pecos.
Artemisia frigida/Bouteloua gracilis meadow dominated by forbs. Phenology: fruiting.

U.S.A., New Mexico, San Miguel County: Santa Fe National Forest and Vicinity: Glorieta Mesa: Lopez Tank on Canyon del Aqua del Corral and vicinity on Forest Road 324, ca 10 air mi S of South San Ysidro; ca 19 air mi SSE of Pecos.
Forb meadow. Phenology: flowering & fruiting.

U.S.A., New Mexico, Sandoval County: Santa Fe National Forest and Vicinity: near the head of Arroyo San Jose on Mesa de Cuba, ca 3/4 air mi S of U.S. Hwy 550, ca 3.5 air mi NW of Cuba.
Sandy flats below sandstone cliff. Phenology: fruiting.
with Jill Larson

U.S.A., New Mexico, Sandoval County: Santa Fe National Forest and Vicinity: at the head of Arroyo San Jose on Mesa de Cuba on County Road 88, ca 4 air mi NW of Cuba.
Sandy pinyon forest. Phenology: fruiting.
with Jill Larson

U.S.A., New Mexico, Sandoval County: Santa Fe National Forest and Vicinity: Sierra Nacimiento: Joaquin Canyon on the north side of Mesa Venado, ca 0.5 air mi W of Rio Guadalupe, ca 6 air mi W Jemez Springs; ca 19.5 air mi SSE of Cuba.
Clearing in pinyon/juniper forest. Phenology: fruiting.

U.S.A., New Mexico, San Miguel County: Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: 0.5 air mi S of Pablo Creek at forest boundary, 12 air mi WSW of Las Vegas.
Gentle north-facing ponderosa pine slope with scattered Gambels oak and grass below. Phenology: fruiting.

U.S.A., New Mexico, Santa Fe County: Santa Fe National Forest and Vicinity: Jemez Mountains: Caja del Rio Plateau: County Road 77 (Buckman Road) at Rio Grande River and Buckman, 2 air mi due E of White Rock. N35.836 W106.161 SW 0.4 air mi along riverbank.
Russian olive and tamarisk, also, steep and loose west-facing sedimentary slope. Phenology: flowering.

U.S.A., New Mexico, Santa Fe County: Santa Fe National Forest and Vicinity: Jemez Mountains: Caja del Rio Plateau: Caja del Rio Canyon from County Road 77 (Buckman Road), ca 4 air mi ESE of White Rock. Within 0.4 air mi of N35.806 W106.142, up or down canyon.
Narrow dry wash with juniper and tamarisk through sheer cliffs of columnarly-jointed volcanic rock. Phenology: flowering.

U.S.A., New Mexico, Sandoval County: Santa Fe National Forest and Vicinity: Jemez Mountains: Ojito public lands off U.S. Hwy 550 (old NM Hwy 44) at Rio Salado, 5 air mi W of San Ysidro.
Shrublands with occasional juniper adjacent to broad, saline wash of river. 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, from Forest Road 45 S to Pecos River.
Grassy mesa, Bouteloua dominant, with scattered pinyon and juniper. Phenology: flowering & fruiting.

U.S.A., New Mexico, San Miguel County: Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Anton Chico Grant: ca 18 air mi SSW of Las Vegas; ca 2 air mi NE of El Cerrito.
Sandy and rocky drainage and roadside with Juniperus osteosperma and Pinus edulis. Phenology: fruiting.

U.S.A., New Mexico, Santa Fe County: Santa Fe National Forest and Vicinity: Glorieta Mesa: vicinity of S F Jacinto bench mark, ca 5 air mi W of Rowe.
Rocky peak and disturbed areas below. Phenology: flowering.

U.S.A., Arizona, Santa Cruz County: Sonoita.
Robert Darrow, s. n. 5/22/1937.

U.S.A., Wyoming, Albany County: Blue Grass Hills.
Dry soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Laramie County: Pine Bluffs.
41.1764° N, 104.0815° W; NAD 83, uncertainty 1 mi., Nat. Geog. TOPO!

U.S.A., Wyoming, Albany County: Halleck Canyon.
Sandy flats. Phenology: flowering.

U.S.A., Arizona, Santa Cruz County: Coronado National Forest.
T24S R13E S2
Moderate north slope; dry, rocky soil; with careless-weed, mesa grama, side-oats grama and peavines. Phenology: flowering & fruiting.
Robert Thompson, 52. 9/11/1921.

U.S.A., Wyoming, Goshen County: 10 mi N of Fort Laramie.

U.S.A., New Mexico, Bernalillo County: Sandia Mountains: near San Antonio.
Ruth Ashton Nelson, 1360. 9/28/1932.

U.S.A., Wyoming, Laramie County: Petsch Ranch, ca 3 mi E of Meridan near silo RB-1.
Near silo Phenology: flowering & fruiting.
with J. Von Loh

U.S.A., Wyoming, Laramie County: 10 mi S of Pine Bluffs.
George E. Osterhout, s.n.. 8/29/1919.

U.S.A., Wyoming, Platte County: Between Fish Creek Road and Cottonwood Creek, 28 road mi NW of Wheatland.
Elev. 1616 m.
Grassland and disturbed roadside. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Along Cottonwood Creek, 30 road mi NW of Wheatland.
Elev. 1616 m.
Hay meadow, irrigated when water in creek. Phenology: flowering & 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: Along Brush Creek, 17 road mi E of Wheatland.
Creek banks, dry, some standing water. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Guernsey Reservoir, east shore, 6 road mi NW of Guernsey.

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, Laramie County: SE of rest area on top of bluffs; ca 0.8 air mi SW of Pine Bluffs.
Ponderosa pine/grassland ecotone. Phenology: flowering & fruiting.

U.S.A., New Mexico, Dona Ana County: Jornada Range Reserve: ca 2 mi NW of Headquarters Ranch.
Near pure sand; in grama gras. Phenology: flowering.
William R. Chapline, 166. 6/3/1915.

U.S.A., New Mexico, Eddy County: Lincoln National Forest: Guadalupe Mountains: Carson Seep Ranger Station pasture.
10 degree east slope; shallow clay loam; scattered in yellow pine with side-oats grama, andropogons, muhlenbergias and hairy grama. Phenology: flowering & fruiting.
William R. Chapline, 720. 9/28/1916.

U.S.A., Wyoming, Platte County: Southeastern Plains: Collins Cutoff Creek, ca 3 mi SW of Wheeler Lake, W of Wheatland.
Sparse grassland of Sporobolus airoides, Elymus smithii and Bouteloua gracilis on alluvial soils of terrace. Phenology: fruiting.

U.S.A., Wyoming, Goshen County: Southeastern Plains: Wyoming Game and Fish Department Rawhide Unit: on north bank of North Platte River E of Lingle.
Savanna - like Populus deltoides community with sparse understory of Artemisia frigida, Opuntia polyacantha, and Stipa comata. Phenology: flowering.
with Steve Kettler

U.S.A., Wyoming, Goshen County: Southeastern Plains: Wyoming Game and Fish Department Rawhide Unit: island in North Platte River, ca 3 mi SE of Lingle and 1 1/4 mi S of the U.S. Hwy 85.
Narrow band of Populus angustifolia with understory of Calamovilfa longifolia, Elymus spicatus, and Poa pratensis on terrace. Phenology: flowering.
with Steve Kettler

U.S.A., Wyoming, Platte County: Camp Guernsey: hilltop 1.8 km NE of Wendover Bend Ranch, 2.9 to 3.3 km S of Impact Area. To 512300 4686700
Mixed sagebrush grassland with slight to moderate slope of silt loam with cobbles with Artemisia, Bromus, Heterotheca, and Plantago spp. Phenology: flowering & fruiting.
Patricia P. Douglas, 462. 8/23/1995.
with B. E. Nelson, N. E. Hastings, R. M. Smith

U.S.A., Wyoming, Platte County: Rock Lake.
Grassland with Artemisia frigida and Heterotheca. Phenology: flowering & fruiting.

U.S.A., Wyoming, Niobrara County: 5 mi ENE of Mule Creek Junction.
Grassland with Dalea and Artemisia. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: Wyoming Game and Fish Department's Rawhide unit along the North Platte River, ca 2.3 air mi S of Lingle, ca 8.5 air mi WNW of Torrington.
Pond area. Phenology: flowering & fruiting.
Steve Kilpatrick, RH145. 7/20/1982.
with J. L. Robinson

U.S.A., Wyoming, Platte County: Southeast Plains: Hartville Uplift: Whalen Canyon, at base of ridge on west side of Whalen Canyon Road; ca 1 air mi NE of Chicago Mine.
Shortgrass prairie on rolling sedimentary plains with scattered limestone and sandstone rocks; cover of Schizachyrium and Bouteolua. Phenology: fruiting.

U.S.A., Wyoming, Platte County: Southeast Plains: ridge ca 0.5 mi S of Horseshoe Creek and 1 mi W of the North Platte River on the east side of Wyo Hwy 319; 5 air mi SE of Glendo; ca 1.5 mi S of Glendo Reservoir.
Artemisia tridentata var. wyomingensis/Stipa comata/Bouteloua gracilis grassland on dry, sandy-clay soil of ridgetop and upper slopes; vegetative cover 45-50%. Phenology: flowering & fruiting.

U.S.A., New Mexico, Grant County: Gila National Forest; Stevens Creek.
Annotated by Elinor Lehto in 1981.
Accession: RMRS (unaccessioned)

U.S.A., Arizona, Apache County: Apache National Forest: 1 mi W of Eagar.
Annotated by Kittie F. Parker.
Accession: RMRS (unaccessioned)

U.S.A., Arizona, Apache County: Apache National Forest: 3 miles north of Nutrioso.
Accession: RMRS (unaccessioned)

U.S.A., South Dakota, Custer County: Jewel Cave National Monument: bank near steps from vistors center to parking lot.

U.S.A., South Dakota, Fall River County: Cottonwood Springs Creek drainage near Hot Springs.
Rocky red soil of prairie, with Unamia alba and Bouteloua curtipendula. Phenology: flowering.

U.S.A., Wyoming, Platte County: Laramie Range: South Cooney Hills, ca 12 air mi SW of Wheatland.
Granite outcrops. Phenology: flowering & fruiting.
with J. Brondum and T. McGowan
Accession: (unaccessioned)

U.S.A., New Mexico, Sandoval County: San Domingo.
Open hillsides. Phenology: flowering & fruiting.

U.S.A., Colorado, Arapahoe County: Engelwood, field SW of junction Arapahoe Rd & Quebec.
Disturbed ground. Phenology: flowering.

U.S.A., Colorado, Larimer County: Fossil Creek
Annotated by Harold D. Harrington in 1949.

U.S.A., Colorado, Baca County: Comanche National Grassland: ca 40 mi SW of Springfield along Oklahoma boundary.
Canyon grassland, sandstone outcrops. Phenology: flowering & fruiting.

U.S.A., New Mexico, Sandoval County: 10 mi W of San Ysidro on Long Ridge Allotment.
Orange flowers. Phenology: flowering & fruiting.

U.S.A., New Mexico, Sandoval County: Rio Puerco: Cucho Arroyo Allotment: Pasture 3.
With Sporobolus, Hilaria and Bouteloua. Phenology: flowering & fruiting.
Annotated by Charles Feddema.

U.S.A., New Mexico, Sandoval/Rio Arriba County: Rio Puerco National Forest: Upper Chuillia Road 15 mi N of Cuba.

U.S.A., Colorado, Weld County: W of Grover.
Prairies. Phenology: flowering.

U.S.A., Colorado, Douglas County: Sedalia: Chase Ranch.

U.S.A., Colorado, Weld County: Fort Lupton.
Earl Lynd Johnston, 819A. 7/13/1915.

U.S.A., Colorado, Weld County: Between Fort Collins and Cheyenne: along railroad embankment just S of the Wyoming border.
Weedy community in Bouteloua-Buchloe grassland. Phenology: flowering.

U.S.A., Colorado, El Paso County: Manitou.
with E. S. Clements

U.S.A., Colorado, Boulder County: Steamboat Mountain: 1 1/4 mi NW.
Arid chaparral slope, talus. Phenology: flowering.
Frederick J. Hermann, 23891. 7/4/1971.

U.S.A., Colorado, Boulder County: Near Boulder.
40.0215° N, 105.3002° W; NAD 83, uncertainty 2 mi., Nat. Geog. TOPO!

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

U.S.A., Colorado, Boulder County: Between Sunshine and Ward.

U.S.A., Colorado, Weld County: New Windsor.
George E. Osterhout, 1365. 7/2/1897.

U.S.A., Colorado, Weld County: New Windsor.

U.S.A., Colorado, Yuma County: Wray.

U.S.A., Colorado, Bent County: Rule River.
George E. Osterhout, 4311. 6/9/1910.

U.S.A., Colorado, Larimer County: Livermore.
George E. Osterhout, 5748. 7/2/1918.

U.S.A., Colorado, Denver County: Denver.
Prairie. Phenology: flowering.

U.S.A., Colorado, El Paso County: Pikes Peak Region.
Open granitic slopes. Phenology: flowering & fruiting.
Annotated by Ronald L. Hartman in 1978.

U.S.A., Colorado, Boulder County: Colorado Tallgrass Prairie Natural Area: Parcel 7; S of Boulder at the beginning of Colo Hwy 93.
Xeric tallgrass community, moderately steep terraces, soil very cobble-like and sandy. Phenology: flowering & fruiting.
Kanya Santanachote, 206. 7/8/1989.

U.S.A., Colorado, Boulder County: Colorado Tallgrass Prairie Natural Area: Parcel 7; S of Boulder; at the beginning of Highway 93.
Xeric tallgrass community, moderately steep terraces, soil very cobble-like and sandy. Phenology: flowering & fruiting.
Kanya Santanachote, 91. 9/2/1988.

U.S.A., New Mexico, Sandoval County: Hwy 44 W of Bernallito, milepost 11.
Stationary sand dunes: Psorothamus-Chrysothamnus community. Phenology: flowering & fruiting.
with E. Higgins

U.S.A., Colorado, Lincoln County: 3 mi S of Hall Station.
Plains. Phenology: flowering & fruiting.

U.S.A., Colorado, Lincoln County: 3 mi S of Hall Station.
Gravelly soil, grassland. Phenology: flowering.
Annotated by S. F. Blake.

U.S.A., Colorado, Larimer County: Along Hwy 14, between junction of Hwy 287, Hwy 14 and Poudre Park.
with L. C. Higgins

U.S.A., Colorado, Larimer County: Howe's Gulch.

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

U.S.A., Colorado, Larimer County: Roosevelt National Forest: south end of Horsetooth.
T7N R69W
40% south slope, sandy silt loam, park, grass. Phenology: flowering & fruiting.

U.S.A., Colorado, Larimer County: Roosevelt National Forest: long pond NE of Fort Collins.
10% northeast slope, deep sandy clay, open parks. Phenology: flowering.

U.S.A., Colorado, Sedgwick County: Julesburg, along cemetary on south side of I-76.
Sandhills with Ipomoea and Croton. Phenology: flowering & fruiting.

U.S.A., Colorado, Washington County: Ca. 15 mi ENE of Anton.
T3S R50W S2 S1/2 of SE1/4
Sand hills with Palafoxia sphacelata and Eriogonum annuum. Phenology: flowering.

U.S.A., Colorado, Baca County: Along Road 8 between Road C and Oklahoma border.
Rocky slope with Dalea purpurea and Tetraneuris acaulis. Phenology: flowering.

U.S.A., Colorado, Huerfano County: Ca 4 mi WSW of Walsenburg.
Highway right of way, with Zinnia grandiflora and Opuntia. Phenology: flowering.

U.S.A., Colorado, Jefferson County: Red Rocks Ampitheater, ca 10 mi W of Denver.
Annotated by Ronald L. Hartman in 2001.
Robert Merril King, 10973. 7/9/1999.
with Robert M. Garvey

U.S.A., Colorado, Weld County: Ca 4 mi E of Ault.
Annotated by Ronald L. Hartman in 2001.
with Robert M. Garvey

U.S.A., New Mexico, Colfax County: Philmont Scout Ranch, near Cimarron: Near Stockade.
Meadow. Phenology: flowering.

U.S.A., Colorado, Las Animas County: Mesa de Maya Region: Gotera Canyon.
Bench above dry creek bed in pinyon-juniper/oak woodland with Opuntia imbricata and Rhus trilobata. Phenology: flowering & fruiting.
with Dina Clark and Rick Brune

U.S.A., New Mexico, Sandoval County: Rito de los Frijoles.

U.S.A., Colorado, Larimer County: Eastern foothills of Colorado Front Range: adjacent to KOA Campground and U.S. Hwy 287, ca 12 air mi N of Fort Collins.
Open canopy blue grama/needle and thread shortgrass grassland and slopes. Phenology: flowering.

U.S.A., Arizona, Apache County: 5 mi S of junction U.S. Hwys 191/160 along U.S. Hwy 191 S of Mexican Water.
Muhlenbergia-Ephedra-chrysothamnus community. Phenology: flowering & fruiting.

U.S.A., New Mexico, Lincoln County: Lincoln National Forest: Ruidoso District, South Coe Allotment.
25 degree north slope; gravelly, rocky soil; scattering with pinyon, juniper and blue grama. Phenology: flowering.
with Vance A. Thomas

Thelesperma megapotamicum ()
U.S.A., New Mexico, Dona Ana County: Jornada Range Reserve: near Quadrat-G-5, pasture 2.
5 degree east slope; sandy soil; with Bouteloua eriopoda and associated species. Phenology: flowering.
Robert S. Cambell, 727. //.

U.S.A., New Mexico, Sandoval County: Jemez Mountains: Bandelier National Monument: vicinity of Park Headquarters in Canyon de los Frijoles.

U.S.A., Wyoming, Laramie County: [location and coordinates withheld]
Sandy slopes below rough breaks. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: S of North Platte River, ca 3 air mi SE of Guernsey.
Eroded sandy hills with outcrops, south of river, with ponderosa pine. Phenology: flowering.

U.S.A., Wyoming, Laramie County: [location and coordinates withheld]
Steep slopes with outcrops and scattered juniper and ponderosa pine. Phenology: fruiting.

U.S.A., Wyoming, Laramie County: [location and coordinates withheld]
Grassland or sagebrush-grassland at foot of sand dunes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: [location and coordinates withheld]
Mixed grass upland dominated by Bouteloua. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Hartville Uplift: just N of Glendo Dam on Glendo Park Road, ca 4.2 air mi ESE of Glendo; ca 18.3 air mi NW of Guernsey.
Roadside in ponderosa pine woodland. Phenology: flowering & fruiting.

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

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Hartville Uplift: along Wyo Hwy 270 between the cemetary and Quarry Road, ca 1.2 air mi ENE of Guernsey.
Highway right-of-way and adjacent mixed grass plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Hartville Uplift: along North Platte River ca 0.6-0.8 air mi SE of Guernsey Dam, ca 1 air mi NW of Guernsey.
Sandy-rocky bench at the foot of cliffs along the river. 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.
Mostly sandy sagebrush-grassland uplands. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Hartville Uplift: between Whalen Canyon or County Road 202 and the head of Sparks Canyon, ca 1.5-2.2 air mi ESE of Hartville; ca 4.5 air mi NE of Guernsey.
Sandy grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Hartville Uplift: Haystack Range: Hell Gap and vicinity on Whalen Canyon or County Road 202, ca 10 air mi NE of Guernsey; ca 14.5 air mi NW of Fort Laramie.
Sandy meadow in ponderosa pine forest. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Goshen Hole Rim: between Lone Tree Canyon and Castle Rocks off County Road 155, ca 8-8.5 air mi SW of Hawk Springs; ca 27 air mi SSW of Torrington.
Rolling plains of sand sage-grassland. Phenology: fruiting.

U.S.A., Wyoming, Goshen County: [location and coordinates withheld]
Sandy slopes with scattered small cobblestones and conglomerate outcrops. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: [location and coordinates withheld]
Rolling plains on Chugwater red beds. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Goshen Hole: along North Platte River just below mouth of Laramie River, at east edge of Fort Laramie National Historic Site, ca 1.3 air mi SSW of Fort Laramie; ca 20 air mi WNW of Torrington.
Sandy upland and steep slopes along the river. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: Fort Laramie National Historic Site: along the Oregon Trail between the Laramie and North Platte rivers, ca 3 air mi W of Fort Laramie (town); ca 23 air mi NW of Torrington.
42.223° N, 104.571° W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO!
Sandy rolling sand sage grassland. Phenology: flowering & fruiting.
with David Reilly

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: just off the southwest corner of Harmony Heights between Deer and Cherry creeks ca 8.5 air mi SW of Fort Laramie; ca 21.3 air mi W of Torrington.
Rough breaks of sandy slopes, outcrops and draws with juniper, mountain mahogany and some ponderosa pine. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Hartville Uplift: along Cottonwood or County Road 42 ca 1.5 air mi S of Cottonwood Creek, ca 9 air mi W of Guernsey; ca 15 air mi N of Wheatland.
Mixed grass grassland with sand-, clay-, and siltstone outcrops. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Goshen Hole Rim: Dickinson Hill ca 3.5 air mi W of Goshen County, ca 16 air mi NNE of Chugwater; ca 13.5 air mi ESE of Wheatland.
Mixed grass areas among sand-, clay-, and siltstone cliffs and bluffs. Phenology: flowering & fruiting.

U.S.A., Wyoming, Laramie County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along I-25 ca 1 1/4air mi S of Little Bear or Exit 39, ca 27 air mi N of Cheyenne.
Sandy rolling grassland with sandstone ridges and knolls. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Hartville Uplift: along Rawhide Butte or County Road 1, ca 3 air mi E of the Wildcat Hills, ca 9.5 air mi WNW of Jay Em; ca 35 air mi NW of Torrington.
Sandy slope with small cobblestones or rolling mixed grass plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: Fort Laramie National Historic Site: NW of the hospital ruins, ca 2 air mi SW of Fort Laramie (town); ca 21 air mi NW of Torrington.
Sandy upland plains. Phenology: fruiting.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along County Road 32, ca 1.25 air mi W of County Road 27, ca 16.8 air mi N of Torrington; ca 14 air mi SE of Jay Em.
Rolling sandy plains dominated by blue gramma. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: Fort Laramie National Historic Site: along the Laramie River E of the fort ca 2.5 air mi WSW of Fort Laramie (town); ca 21 air mi WNW of Torrington.
Dry, sandy flats above the river. Phenology: flowering & fruiting.
with David Reilly

U.S.A., Wyoming, Laramie County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along County Road 143 ca 1 air mi S of Little Horse Creek and ca 2.5 air mi N of U.S. Hwy 85 at Midway, ca 18.7 air mi W of Albin; ca 28 air mi NE of Cheyenne.
Sandy road right-of-way adjacent to mixed grass plains. Phenology: fruiting.

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.
Sandy grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: ca 7.5 air mi W of Wheatland.
Short-grass prairie. Phenology: flowering & fruiting.

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 & fruiting.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: Wyo Hwy 34, ca 4 air mi E of Albany County.
Sandy plains with short-grass prairie. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: [location and coordinates withheld]
Sandy plains and slopes with adjacent irrigation canals. Phenology: flowering & fruiting.

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 & fruiting.

Sandy slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: Wyo Hwy 34, ca 1.5 air mi W of Platte County.
Sandstone/metamorphic outcrops. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: Wyo Hwy 34 and I-25 interchange, ca 7 mi S of Wheatland.
Sandy slopes and stream bottom. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: Goshen Hole Rim: Mers Hill, ca 10 air mi E of Slater.
41.8789° N, 104.615° W; NAD 83, uncertainty 0.5 mi., Nat. Geog. TOPO!
Sandstone outcrops and sandy slopes. Phenology: flowering & 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, Crook County: Black Hills: Devils Tower National Monument: on trail to Spring #1 outlet, ca 1/4 mi NW of Maintenance Shop.
On disturbed soil imported from culvert cleaning. Phenology: flowering.
with Jane Gyhra

U.S.A., Colorado, Las Animas County: [location and coordinates withheld]
Top of hill to east; pinyon-juniper. Phenology: flowering.

U.S.A., Wyoming, Laramie County: Off I-25, ca 22 mi N of Cheyenne.
Common but scattered; flowers yellow. Chromosome voucher; silica gel dried leav4es preserved at the DNA bank, Missouri Botanical Garden. Phenology: flowering & fruiting.
Robert Merrill King, 11053. 8/3/1999.
with Robert M. Garvey

U.S.A., Arizona, Navajo County: Apache National Forest: Sitgreaves National Forest; Heber area.
Thelesperma megapotamicum (Spreng.) Kuntze.

U.S.A., New Mexico, Grant County: Ft. Bayard Experiment Area.
Annotated by Elinor Lehto.

U.S.A., Kansas, Morton County: Cimarron National Grassland: along Cimarron River, ca 12.5 air mi NE of Elkhart.
Cottonwood gallery forest. Sandy soil. Stands of Tamarix along river bank. Phenology: flowering & fruiting.
Annotated by Bernadette Kuhn.

U.S.A., Colorado, Baca County: Comanche National Grassland: County Road C above Carrizo Creek, ca 2 air mi W of Little Black Mesa and ca 1 air mi N of Oklahoma, ca 33.5 air mi SW of Springfield.
Sandy-silt grassland flats. Phenology: flowering & fruiting.
Annotated by B. E. Nelson.
with Bernadette Kuhn

U.S.A., Colorado, Baca County: Comanche National Grassland: off County Road 8 at the head of Pat Canyon, ca 8 air mi N of Oklahoma and ca 2.5 air mi S of the abandoned Kirkwell Post Office, ca 27 air mi SW of Springfield.
Sandy cobblestone draws, abandoned gravel pit, and flats above. Phenology: flowering & fruiting.
with Bernadette Kuhn

U.S.A., Colorado, Baca County: Comanche National Grassland: along South Fork Sand Arroyo E of County Road 8, ca 11 air mi SSW of Pritchett; ca 21.5 air mi SW of Springfield.
Flats and slopes in rangeland. Phenology: flowering & fruiting.
with Bernadette Kuhn

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.
Silty flats in open cottonwood forest. Phenology: flowering & fruiting.

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.
Chalky cliffs, sandstone cliffs, and slopes below. Phenology: flowering & fruiting.

U.S.A., Kansas, Morton County: Cimarron National Grassland: ca 10 air mi W of Richfield, ca 4.5 air mi E of Colorado.
Shortgrass prairie. Phenology: flowering & fruiting.

U.S.A., Colorado, Baca County: Comanche National Grassland: Sand Canyon, ca 0.5 air mi N of Oklahoma, ca 15.5 air mi WSW of Campo.
Mature cottonwood forest with scattered juniper on sand or sandy silt substrate. Phenology: flowering & fruiting.

U.S.A., Colorado, Baca County: Comanche National Grassland: Ute Canyon, ca 0.5 mi W of County Road 28, ca 5.5-6 air mi S of Campo.
Shallow valley with scattered sandstone cliffs. Phenology: flowering & fruiting.

U.S.A., Colorado, Prowers County: Comanche National Grassland: Two Buttes.
Steep slopes with Opuntia and Bouteloua. Phenology: flowering & fruiting.
Annotated by Bernadette Kuhn.
Bernadette Kuhn, 704. 6/6/2007.

U.S.A., Colorado, Prowers County: Comanche National Grassland: Two Buttes.
Steep slopes with Opuntia and Bouteloua. Phenology: flowering & fruiting.
Annotated by Bernadette Kuhn.
Bernadette Kuhn, 705. 6/6/2007.

U.S.A., Colorado, Baca County: Comanche National Grassland: ca 3.5 air mi NW of Campo.
Pasture with large population of Coreopsis. Phenology: flowering & fruiting.
Bernadette Kuhn, 722. 6/7/2007.

U.S.A., Colorado, Baca County: Comanche National Grassland: ca 19 air mi SSW of Springfield.
Grazed pasture dominated by Buchloë, Psoralea, and Hordeum, between windmills. Phenology: flowering & fruiting.

U.S.A., Colorado, Baca County: Comanche National Grassland: Picture Canyon, ca 28.5 air mi SSW of Springfield.
Lush canyon with Salix-dominated wet draw. Canyon rim dominated by Juniperus. Shortgrass prairie with Yucca sp., Opuntia sp., and Buchloë dactyloides; grazed. Phenology: flowering & fruiting.

U.S.A., Colorado, Baca County: Comanche National Grassland: ca 26.5 air mi SSW of Springfield.
With Yucca and Chrysothamnus. Phenology: flowering & fruiting.

U.S.A., Colorado, Baca County: Comanche National Grassland: ca 25 air mi SW of Springfield.
With Stipa and Yucca glauca. Phenology: flowering & fruiting.

U.S.A., Colorado, Baca County: Comanche National Grassland: just N of the North Fork Cimarron River, ca 15 air mi SSE of Vilas.
Shortgrass prairie dominated by Buchloë dactyloides and Bouteloua spp. Phenology: flowering & fruiting.

U.S.A., Colorado, Baca County: Comanche National Grassland: ca 8.5 mi S of Vilas.
Shortgrass prairie dominated by Buchloë dactyloides and Yucca glauca. Phenology: flowering & fruiting.

U.S.A., Colorado, Baca County: Comanche National Grassland: near Wyche Horizonal Control Station, ca 14.5 air mi SSE of Vilas.
Shortgrass prairie with Yucca and Opuntia. Phenology: flowering & fruiting.

U.S.A., Colorado, Baca County: Comanche National Grassland: Carrizo Canyon.
Lush canyon dominated by Rhus aromatica. Phenology: flowering & fruiting.

U.S.A., Colorado, Baca County: Comanche National Grassland: near West Ute Canyon, ca 26 air mi S of Springfield.
Sandy soil, shortgrass prairie with Yucca and cholla. Phenology: flowering & fruiting.
with B. E. Nelson

U.S.A., Colorado, Baca County: Comanche National Grassland: Holt Canyon, ca 28.5 air mi SW of Springfield.
With scattered Juniperus monosperma; canyon walls with Selaginella and Cheilanthes. Phenology: flowering & fruiting.
with B. E. Nelson

U.S.A., Colorado, Baca County: Comanche National Grassland: North Picket House Draw, 7 air mi SE of Campo.
Shortgrass praire dominated by Buchloë dactyloides and Bouteloua sp. Phenology: flowering & fruiting.
with B. E. Nelson

U.S.A., Colorado, Baca County: Comanche National Grassland: Carrizo Work Center, ca 7.5 air mi S of Springfield.
Old home site surrounded by shortgrass prairie; scattered Juniperus and Ulmus. Phenology: flowering & fruiting.

U.S.A., Colorado, Baca County: Comanche National Grassland: at radio tower ca 3.5 air mi SW of Springfield.
Shortgrass prairie dominated by Psoralidium tenuifolium and Buchloë dactyloides. Phenology: flowering & fruiting.

U.S.A., Colorado, Las Animas County: Comanche National Grassland: Potato Butte, ca 14.5 air mi SE of Kim.
Small pools below butte; dominated by Rhus aromatica, Bouteloua spp., and Elymus spp. Phenology: flowering & fruiting.
with Kelly Kindscher

U.S.A., Colorado, Baca County: Comanche National Grassland: ca 17 air mi SE of Kim.
Rocky hill with scattered Juniperus monosperma. Phenology: flowering & fruiting.
with Kelly Kindscher

U.S.A., Colorado, Baca County: Comanche National Grassland: ca 11 air mi WSW of Pritchett.
Upland, shortgrass prairie dominated by Buchloë dactyloides, Hymenopappus sp., and Engelmanniana sp. Phenology: flowering & fruiting.

U.S.A., Colorado, Baca County: Comanche National Grassland: Soldier Canyon, ca 11 air mi W of Pritchett.
Rim of canyon dominated by Opuntia imbricata and Bouteloua spp. Phenology: flowering & fruiting.

U.S.A., Colorado, Baca County: Comanche National Grassland: South Fork Sand Arroyo, ca 12 air mi SW of Pritchett.
Shortgrass prairie with small draw. Phenology: flowering & fruiting.

U.S.A., Colorado, Las Animas County: Comanche National Grassland: ca 20 air mi WSW of Pritchett.
Shortgrass prairie with prairie dog town; dominated by Bouteloua spp., Aristida purpurea, and Elymus spp. Phenology: flowering & fruiting.
with Joe Rankin.

U.S.A., Colorado, Baca County: Comanche National Grassland: ca 13 air mi SW of Pritchett.
Heavily grazed, shortgrass prairie with lone elm. Phenology: flowering & fruiting.
with Joe Rankin.

U.S.A., Kansas, Morton County: Cimarron National Grassland: ca 4 air mi NW of Elkhart.
Shortgrass prairie dominated by Buchloë dactyloides and Elymus smithii. Phenology: flowering & fruiting.
with Joe Rankin

U.S.A., Kansas, Morton County: Cimarron National Grassland: ca 12.5 air mi NE Elkhart.
Rocky prairie dominated by Opuntia and Elymus. Phenology: flowering & fruiting.

U.S.A., Kansas, Morton County: Cimarron National Grassland: ca 13.5 air mi NE of Elkhart.
Small rocky knob of prairie hill dominated by Bouteloua spp., Bothriochloa laguroides, and Aristida purpurea. Phenology: flowering & fruiting.

U.S.A., Kansas, Morton County: Cimarron National Grassland: ca 15 air mi NE Elkhart.
Sandsage prairie with heavy cover of Yucca glauca. 1 Phenology: flowering & fruiting.

U.S.A., Colorado, Otero County: Comanche National Grassland: Higbee Canyon, ca 14 air mi SSE of La Junta.
Canyon dominated by Bouteloua gracilis, Bouteloua curtipendula, and scattered Populus deltoides. Phenology: flowering & fruiting.

U.S.A., Colorado, Baca County: Comanche National Grassland: Campo Cementery, 1 mi E of Campo on County Road J.
Shortgrass prairie flanked by cultivated trees--Ulmus pumila and Gleditsia triocanthos. Phenology: flowering & fruiting.

U.S.A., Colorado, Baca County: Comanche National Grassland: 5.5 mi W of Campo on County Road J.
Grazed pasture with lone Morus rubra. Phenology: flowering & fruiting.

U.S.A., Colorado, Baca County: Comanche National Grassland: ca 8.5 air mi SE of Springfield.
Grazed shortgrass prairie dominated by Buchloë dactyloides. Phenology: flowering & fruiting.

U.S.A., Colorado, Baca County: Comanche National Grassland: ca 12 air mi SE of Springfield.
Sandsage prairie. Phenology: flowering & fruiting.

U.S.A., Colorado, Las Animas County: Comanche National Grassland: along Purgatoire River Valley near Rourke Ranch, ca 28 air mi SSW of La Junta.
River valley dominated by Solanum elaeagnifolium, Salsola tragus, Bromus tectorum, and Melilotus albus. Phenology: flowering & fruiting.
with Quinn Long, Jennifer Moody-Weiss, and Gianna Short

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 Canyon, ca 28.5 air mi SW of Springfield.
Lush canyon dominated by Rhus aromatica and Yucca glauca. Phenology: flowering & fruiting.
with Amy Tomson

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: flowering & fruiting.
with Joe Rankin

U.S.A., Colorado, Otero County: Comanche National Grassland: ca 14 air mi SW of La Junta.
Roadside near old irrigation canal. Phenology: flowering & fruiting.
with Joe Rankin

U.S.A., Colorado, Las Animas County: Comanche National Grassland: Iron Canyon, ca 27 air mi S of La Junta.
Canyon with sandy soil and Juniperus monosperma. Phenology: flowering & fruiting.

U.S.A., Colorado, Las Animas County: Comanche National Grassland: junction of County Road 179 and Plum Creek, ca 3 mi S of Villegreen; 9 mi W of Kim.
At a dry stock watering pond set in Bouteloua grassland. Phenology: flowering & fruiting.
Annotated by Brian Elliott.

U.S.A., Colorado, Baca County: Comanche National Grassland: at a windmill and exclosure ca 3/4 mi N of County Road M, ca 9 mi NW of Campo, ca 10 mi N of Picture Canyon Picnic Area.
Shortgrass prairie, heavily grazed. Phenology: flowering & fruiting.
Annotated by Brian Elliott.

U.S.A., Colorado, Alamosa County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: San Luis Valley: by radio tower on road to Zapata Falls, N of Blanca.
Pinyon-juniper-Bouteloua. Phenology: flowering & fruiting.

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: flowering & fruiting.

U.S.A., Colorado, Otero County: Comanche National Grassland: along Rourke Road, SE of Shale Hills, ca 19 air mi SW of La Junta.
At the base of shale hills with scattered Rhus aromatica and Juniperus monosperma. Phenology: flowering.

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, Las Animas County: [location and coordinates withheld]
Red sandstone with scattered Juniperus monosperma, Cylindropuntia imbricata, and Atriplex, canyon rim. Phenology: flowering & fruiting.

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

U.S.A., Colorado, Las Animas County: Comanche National Grassland: on County Road 48, ca 4 air mi N of Andrix; ca 12 air mi NE of Kim.
Rocky shortgrass prairie, dominated by Aristida purpurea. Phenology: flowering & fruiting.
with Cali Hemenway

U.S.A., Kansas, Morton County: Cimarron National Grassland: along Forest Road 627, ca 1/4 air mi N of Cimarron River, ca 10 air mi NNE of Elkhart.
Sandsage prairie with large patches of Yucca glauca. Phenology: flowering & fruiting.

U.S.A., Colorado, Las Animas County: Comanche National Grassland and Vicinity: along County Road 34, ca 13 air mi E of Kim.
Right of way in sandy prairie dominated by Artemisia filifolia. Phenology: flowering & fruiting.

U.S.A., Colorado, Baca County: Comanche National Grassland: ca 7 air mi SE of Utleyville; ca 13 air mi SSE of Pritchett.
Pasture dominated by Opuntia and Yucca glauca. Phenology: flowering & fruiting.

U.S.A., Colorado, Baca County: Comanche National Grassland: Whitby Canyon N of Big Hole Spring, ca 21 air mi SSW of Pritchett.
Dakota sandstone canyon dominated by Juniperus monosperma, Quercus sp. and Rhus aromatica. Phenology: fruiting.

U.S.A., Colorado, Las Animas County: Comanche National Grassland: along County Road 199, ca 1 air mi E of Kim.
Sandy soil, shortgrass prairie pasture dominated by Aristida purpurea, Buchloë dactyloides, and Opuntia spp. Phenology: flowering & fruiting.

U.S.A., Colorado, Las Animas County: Comanche National Grassland: ca 6 air mi E of Kim.
At windmill, in pasture canyon dominated by Ipomoea leptophylla and Aristida purpurea, scattered Juniperus monosperma. Phenology: flowering & fruiting.

U.S.A., Colorado, Las Animas County: Comanche National Grassland: along County Road 211, ca 7 air mi ESE of Kim.
Sandy prairie pasture, dominated by Stipa sp. and Aristida purpurea. Phenology: flowering & fruiting.

U.S.A., Colorado, Las Animas County: Comanche National Grassland: on County Road 30, ca 5 air mi S of Andrix; ca 9.5 air mi ESE of Kim.
Prairie pasture dominated by Aristida purpurea and Buchloë dactyloides with scattered Ipomoea leptophylla. Phenology: flowering & fruiting.

Sandy, shortgrass prairie, scattered Mentzelia and Ipomoea amid large clumps of Bothriochloa laguroides. Phenology: flowering & fruiting.

U.S.A., Colorado, Las Animas County: Comanche National Grassland: ca 6 air mi SE of Kim.
Along two track with Prunus thicket. Phenology: flowering & fruiting.

U.S.A., Colorado, Las Animas County: Comanche National Grassland and Vicinity: along east side of County Road 201, ca 5 mi S of Kim.
Canyon of Dakota sandstone with patches of Mentzelia. Phenology: flowering & fruiting.

U.S.A., Colorado, Baca County: Comanche National Grassland: ca 5 air mi E of Utleyville; ca 20 air mi WSW of Springfield.
Sandsage prairie with large stands of Sporobolus and Andropogon gerardii. Phenology: flowering & fruiting.

U.S.A., Colorado, Baca County: Comanche National Grassland: ca 14 air mi SSW of Pritchett.
Stock tank, overflowing into open pool, dominated by Amaranthus and Polygonum. Phenology: fruiting.

U.S.A., Colorado, Baca County: [location and coordinates withheld]
Sandsage prairie. Phenology: flowering & fruiting.

U.S.A., Colorado, Baca County: Comanche National Grassland: E of East Carrizo Creek, ca 11 air mi S of Utleyville; ca 20 air mi SW of Pritchett.
Dakota sandstone canyon dominated by Rhus aromatica, Pinus edulis, and Juniperus monosperma. Phenology: fruiting.

U.S.A., Colorado, Baca County: [location and coordinates withheld]
Dakota sandstone canyon dominated by Juniperus monosperma. Phenology: flowering & fruiting.

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

U.S.A., Colorado, Baca County: Comanche National Grassland: S of County Road G, ca 12 air mi ESE of Campo.
Sandsage prairie. Phenology: flowering & fruiting.

Sandstone canyon lined with Selaginella. Phenology: flowering & fruiting.
with Doug Sedoris

Rocky uplands with Dakota sandstone. Phenology: flowering & fruiting.
with Doug Sedoris

At spring. Phenology: flowering & fruiting.

Sandstone canyon with Ptelea trifoliata, Rhus aromatica, and scattered Juniperus monosperma. Phenology: flowering & fruiting.

U.S.A., Colorado, Baca County: Comanche National Grassland: at radio tower and Mt. Carmel Cemetary, ca 11 air mi ESE of Campo.
Sandy prairie dominated by Yucca glauca and Bothriochloa laguroides. Phenology: flowering & fruiting.

U.S.A., Colorado, Baca County: Comanche National Grassland: E of County Road 24, ca 6 air mi SW of Campo.
Sandsage prairie with Thelesperma megapotimicum, Xanthisma spinulosum, and Aristida purpurea. Phenology: fruiting.

U.S.A., Colorado, Otero County: [location and coordinates withheld]
Pond dominated by Ambrosia and Eleocharis. Phenology: fruiting.
with Don Hazlett

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: at intersection of Van Bremmer Road and U.S. Hwy 64, 8.5 air mi NE of Cimarron.
Open flat shortgrass prairie. Heads deep yellow; plants uncommon.
Annotated by Ben Legler on 3/4/2008.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: at junction of Caliente Canyon and Mercer Canyon; 21 air mi WSW of Raton.
Dry flats above canyon floor with scattered Pinus edulis, Pinus ponderosa; recently thinned. Heads dark yellow; stems scattered. Phenology: flowering.
Annotated by Ben Legler on 3/4/2008.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: along Dillon Canyon Road (NM Hwy 476) opposite mouth of Gardiner Canyon, on southwest side of golf course on southwest side of Raton.
Dry weedy road shoulders, with Helianthus annuus, Ericameria nauseosa, grasses. Scattered among grasses. Phenology: fruiting.
Annotated by Ben Legler on 3/4/2008.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: small wash on west side of Gardiner Road (County Road 20A) 0.4 mi N of junction with NM Hwy 555; 3.0 air mi SW of Raton.
Dry sandy wash, still moist from recent rains, among pinyon-juniper woodland, with Rhus trilobata, Quercus ×undulata, Helianthus annuus. Heads yellow; occasional. Phenology: flowering & fruiting.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: road cut in small unnamed canyon on north side of Vermejo River 3.17 air mi SE of Casa Grande and W of York Canyon along main road leading to ranch headquarters.
Rocky road cut among open Pinus edulis woodland, with Eriogonum jamesii, Liatris punctata, scattered grasses. Heads yellow; frequent in loose soil. Phenology: flowering & fruiting.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: along Crow Canyon Road 6.1 air mi NW of Koehler townsite and 3.2 road mi up canyon from mouth of Little Crow Canyon.
Open Pinus ponderosa forest on southwest-facing slope, with Hymenoxys richardsonii, Heterotheca villosa, grasses, scattered Quercus ×undulata. Heads yellow; occasional in open areas. Phenology: flowering & fruiting.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: along Crow Canyon Road 0.4 air mi SE of Koehler townsite.
Old coal mine spoils, sparsely vegetated with Ambrosia acanthicarpa, Ericameria nauseosa, numerous grass species. Uncommon in bare coal spoils. Phenology: fruiting.

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 dark yellow; plants scattered.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: along banks of Ponil Creek 0.7 air mi downstream (SE of) junction of North Ponil Creek and South Ponil Creek; 5.3 air mi NW of Cimarron.
Sandy creek bottoms dominated by dense growth of Symphoricarpos occidentalis, Conyza canadensis, and Bromus, with scattered Alnus incana and Juniperus scopulorum. Heads dark yellow; occasional. Phenology: flowering & fruiting.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: along Cerrososo Canyon Road 2.1 air mi NW of NM Hwy 64; 4.9 air mi NE of Cimarron.
Sloping shortgrass prairie on edge of pinyon-juniper woodland. Heads yellow, discoid; stems scattered, uncommon. Photographed. Specimen GPS: 36.56498, -104.851631. Phenology: flowering.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: around Van Bremmer Creek at mouth of Van Bremmer Canyon, 1.8 air mi NW of NM Hwy 64.
Flat, dry shortgrass prairie with Cylindropuntia imbricata, Cirsium undulatum, and Psoralidium tenuifolium. Heads discoid, dark yellow; plants scattered and uncommon. Specimen GPS: 36.593143, -104.804588. Phenology: flowering.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: in Pooler Canyon 3.5 air mi W of its junction with the Vermejo River; 3 air mi SSW of Casa Grande.
Dry gently sloping grassland in canyon bottom, with Verbena macdougalii, Xanthisma spinulosum, and short grasses. Heads discoid, dark yellow; frequent along road shoulder. Specimen GPS: 36.844841, -104.99279. Phenology: flowering.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: at mouth of an unnamed canyon on southwest side of Caliente Canyon 1.3 air mi NW of mouth of Ben Thompson Canyon.
Dry canyon bottom grassland with scattered Pinus ponderosa. Heads dark yellow; uncommon. Specimen GPS: 36.884163, -104.790916. Phenology: flowering.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: along banks of the Cimarron River 2.6 air mi W of Cimarron.
Silty river bottoms, with Ribes aureum, Rudbeckia laciniata, and Chenopodium. Heads dark yellow; uncommon on dry gravel bar. Specimen GPS: 36.514992, -104.963951. Phenology: flowering.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: in Crow Canyon at mouth of Little Crow Canyon; 3.8 air mi NW of Koehler.
Dry canyon bottom; rocky soil with Melilotus officinalis, Mentzelia multiflora, Kochia scoparia, and Elymus canadensis. Heads yellow; stems scattered; occasional. Specimen GPS: 36.787457, -104.657875. Phenology: flowering.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: along Van Bremmer Creek on downstreamside of mouth of Trail Canyon; 12.2 air mi NNE of Cimarron.
Dry canyon bottom grassland, with Chenopodium, Ratibida columnifera, Grindelia, Verbena macdougalii, Krascheninnikovia lanata Heads dark yellow; frequent. Specimen GPS: 36.685925, -104.867821. Phenology: flowering.

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. Heads dark yellow; frequent on dry gravel bar. Specimen GPS: 36.490688, -104.556641. Phenology: flowering & fruiting.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: along road in Van Bremmer Canyon 3.5 road mi NW of NM Hwy 64; 8.0 air mi NE of Cimarron.
Edge of prairie, with scattered Pinus edulis and Juniperus monosperma. Heads yellow; stems scattered. Photographed. Specimen GPS: 36.60368, -104.819252. 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. Heads dark yellow; uncommon. Specimen GPS: 36.80468, -104.900017. Phenology: flowering & fruiting.

U.S.A., Montana, Rosebud County: Colstrip, Western Enery Rosebud Mine.
In reclaimed fields, probably introduced. Phenology: flowering.
Richard Prodgers, s. n.. 7//1995.

U.S.A., Wyoming, Goshen County: Ca 3 mi SW of town of Fort Laramie.
42° 11.6' N, 104° 34.3' W; unknown, , Specimen Label
Grassland, with Bouteloua and Schizachyrium. Flowers yellow. Phenology: flowering & fruiting.

U.S.A., Wyoming, Laramie County: Ca 0.5 mi SSW of Meriden.
Grassland, with Heterotheca and Dalea. Flowers yellow. Phenology: flowering.

U.S.A., Wyoming, Platte County: Camp Guernsey: ranch parcel small canyon drainage; south end of transect ca 2.9 km due N of Range Control, ca 6.4 km NE of Guernsey Reservoir.
Level to sloping on each side of drainage; grassland in canyon drainage; silty loam; with Hesperostipa comata, Agropyron cristatum, Pascopyrum smithii, Achillea millefolium, Bromus japonicus, B. inermis. Scattered; erect, perennial herb; 4 dm tall. Phenology: flowering.
with P. Block