Xanthisma spinulosum var. spinulosum (1997)
ASTERACEAE
Xanthisma spinulosum (Pursh) D. R. Morgan & R. L. Hartm. var. spinulosum
U.S.A., Colorado, Fremont County: [location and coordinates withheld]
Elev. 5150 ft.
On Niobrara formation shale in pinyon-juniper with Frankenia jamesii, Oonopsis puebloensis, Parthenium tetraneuris, Oryzopsis hymenoides, Bouteloua gracilis, Aristida purpurea, and Eriogonum spp. Phenology: fruiting.
with Randy Pratt
Accession: RM (unaccessioned)

Xanthisma spinulosum var. spinulosum (2002)
ASTERACEAE
Xanthisma spinulosum (Pursh) D. R. Morgan & R. L. Hartm. var. spinulosum
U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: along Little Thunder Creek ca 1 mi below Little Thunder Reservoir, ca 8 air mi SE of Wright; ca 43 air mi S of Gillette.
Sandy slopes with sandstone outcrops. Phenology: flowering.
Annotations:
1. Xanthisma spinulosum (Pursh) D. R. Morgan & R. L. Hartm. var. spinulosum
Annotated by Peter J. Ebertowski.
Accession: RM (unaccessioned)

Xanthisma spinulosum var. spinulosum (2002)
ASTERACEAE
Xanthisma spinulosum (Pursh) D. R. Morgan & R. L. Hartm. var. spinulosum
U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: along a draw ca 3/4-1 mi S of Porcupine Creek, ca 0.5 mi W of Teckla; ca 14.5 air mi SE of Wright.
Aristida/Bouteloua/Sporobolus on sandy burned sagebrush/grassland. Phenology: flowering.
Accession: RM (unaccessioned)

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: ravine S of and leading to Porcupine Creek on dirt road ca 0.5 mi W of Wyo Hwy 59, ca 9.5 air mi S of Wright; ca 29 air mi NNW of Bill. NWZ1/4
Mosaic of sagebrush and grassland. Phenology: flowering.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: North Fork Lone Tree Creek on Grieves or County Road 5, ca 19 air mi WSW of Newcastle; ca 24 air mi S of Upton.
Grassland. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: hills above and N of Wild Horse Creek, on two-track road off York or Forest Road 900, ca 27 air mi NNE of Gillette; ca 29 air mi NNW of Moorcroft.
Slopes with little bluestem and yucca. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: along Piney Creek off of Piney Canyon or County Road 17, ca 25 air mi SE of Wright; ca 27 air mi NNE of Bill.
Rocky slope. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: low ridge draining to and N of Little Thunder Creek on Wyo Hwy 450, ca 29 air mi ESE of Wright; ca 38 air mi WSW of Newcastle.
Sandy knolls and bowls; yucca, sandreed and sand bluestem. Phenology: flowering.
Peter J. Ebertowski, 3656. 9/1/2002.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: Lone Tree Creek, on Grieves or County Road 5, ca 20 air mi WSW of Newcastle; ca 27 air mi S of Upton.
Grassland, Carex filifolia and Stipa comata abundant. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: tributary of Dry Fork Spring Creek, on York or Forest Road 900, ca 30 air mi NE of Gillette; ca 31 air mi NW of Moorcroft.
Mosaic of grassland and sagebrush grassland. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: ridge E of Short Creek, on road continuing Forest Road 1246, ca 34 air mi NW of Moorcroft; ca 24 air mi N of Gillette.
Grassland, Elymus spicatus abundant. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: West Fork Duck Creek, on two-track off Forest Road 903, ca 34 air mi NNE of Gillette; ca 34 air mi NNW of Moorcroft.
Grassland, Elymus spicatus and Schizachyrium scoparium abundant. Phenology: flowering.
Peter J. Ebertowski, 7545. 8/2/2003.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: grassland ridge NW of Antelope Creek, on Ross or County Road 31, ca 30 air mi SW of Wright; ca 52 air mi NW of Douglas.
Stipa comata grassland. Phenology: flowering & fruiting.
Peter J. Ebertowski, 7856. 8/8/2003.

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: Brown Springs Creek, on two-track off Ross or County Road 31, ca 32 air mi NW of Douglas; ca 22 air mi NNE of Glenrock.
Rock outcrop in sagebrush grassland. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: Porcupine Creek, on two-track off Matheson or County Road 70, ca 13 air mi SE of Wright; ca 49 air mi S of Gillette.
Sandstone outcrop in sagebrush grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: West Fork Cottonwood Creek, on Avon Road, ca 15 air mi ENE of Gillette; ca 6 air mi N of Rozet.
Sagebrush grassland. Phenology: fruiting.

U.S.A., Wyoming, Crook County: Thunder Basin National Grassland and Vicinity: Miller Creek, on County Road 68, ca 8 air mi N of Moorcroft; ca 28 air mi E of Gillette.
Elev. 4160 ft.
Sagebrush grassland. Phenology: flowering.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: grassland in Mush Creek Oil Field, ca 1 mi NE of South Beaver Creek, on Wyo Hwy 450, ca 14 air mi WSW of Newcastle; ca 23 air mi SSE of Upton.
Grassland, Stipa comata and Carex filifolia abundant. Phenology: flowering.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: Mush Creek, ca 0.5 mi below its confluence with Lassen Creek, ca 1.2 mi W of County Road 49, ca 16 air mi W of Newcastle; ca 18 air mi SSE of Upton.
Stipa comata grassland. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: hills ca 1 mi E of Dry Fork Spring Creek, on two-track road off York or Forest Road 900, ca 29 air mi NNE of Gillette; ca 31 air mi NW of Moorcroft.
Little bluestem grassland. Phenology: flowering.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: West Fork Fiddler Creek, on Upton-Fairview or County Road 59, ca 10 air mi S of Upton; ca 23 air mi WNW of Newcastle.
Sagebrush grassland with greasewood. Phenology: flowering.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: Rochelle Hills, between School Creek and Hansen Draw, on Forest Road 968C, ca 18 air mi SE of Wright; ca 49 air mi WSW of Newcastle.
Sagebrush grassland with greasewood and rabbitbrush. Phenology: flowering.

U.S.A., Arizona, Yavapai County: Coconino National Forest: Sterling Canyon, W of Oak Creek Canyon.
Oak/pine woodland. Phenology: flowering & fruiting.
Annotations:
1. Xanthisma spinulosum (Pursh) D. R. Morgan & R. L. Hartm. var. spinulosum
Annotated by B. E. Nelson.
with James F. Fowler

U.S.A., Arizona, Gila County: E of Globe.
Elev. 3500 ft.
T1N R15E S26
Open slopes. Phenology: flowering.
Annotations:
Annotated by Ronald L. Hartman in 2004.
Accession: RM 126132

U.S.A., New Mexico, Chaves County: Roswell.
T10S R24E S32
Gravelly plains. Phenology: flowering & fruiting.
Annotated by Ronald L. Hartman in 2004.
Accession: RM 131859

U.S.A., New Mexico, Eddy County: Carlsbad Caverns.
Sandy ridges. Phenology: flowering & fruiting.
Annotated by Ronald L. Hartman in 2004.
Accession: RM 131860

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 961006, Barcode: RM0216546

U.S.A., New Mexico, Bernalillo County: Albuquerque.
T10N R3E
Phenology: flowering & fruiting.
Earl F. Castetter, 47. 1/2/1929.

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

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

U.S.A., New Mexico, Chaves County: 20 mi S of Roswell.
T14S R25E S7
High plains. Phenology: flowering & fruiting.
with Esther S. Earle

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 2.5 air mi SE of Ranchos de Taos.
Rocky, southerly-facing pinyon/juniper slope. Phenology: flowering & fruiting.
Accession: RM 941031, Barcode: RM0113591

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: Forest Road 556, ca 3.5 air mi SE of Ojo Caliente.
Pinyon/juniper woodland. Phenology: flowering.
Accession: RM 941039, Barcode: RM0113509

U.S.A., Arizona, Gila County: White Mountains: 1 mi N of Black River.
Phenology: flowering.
with C. L. Hitchcock

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: Forest Road 551 near NM Hwy 567 in Taos Resettlement area, ca O.5 mi E of Taos Junction and U.S. Hwy 285.
Pinyon/juniper woodland and opening with Artemisia tridentata. Phenology: flowering & fruiting.

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: Devisidero Loop Trail from Taos Canyon to Devisidero Peak, ca 1 air mi E of Canyon.
Pinyon/juniper woodland and south aspect slopes. Phenology: flowering & fruiting.

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: NM Hwy 111, Canada de la Cueva, ca 1.5 air mi S of La Madera.
Arroyos and mesa top with pinyon/juniper and Artemisia tridentata. Phenology: flowering.

U.S.A., New Mexico, Eddy County: Carlsbad Caverns.
Stony-sandy slopes. Phenology: flowering & fruiting.
1.
Annotated by Aven Nelson in 2004.
Gladys Convis, 51. 4//1930.

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: rock outcrops around Tres Piedras Ranger District Office at Tres Piedras.
Sagebrush flats and granite outcrops with ponderosa pine. Phenology: flowering & fruiting.

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: Canyon de los Commanches along Forest Road 97 near secondary Forest Road 97T5, ca 11.5 air mi S of Tres Piedras.
Canyon bottom with Artemisia tridentata, pinyon/juniper woodland with silty/sandy soils. Phenology: flowering & fruiting.

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: north slope of San Antonio Mountain via Forest Road 118, ca 15 air mi N of Tres Piedras.
Upland slopes with Arizona fescue, patches of mixed conifer and aspen forest. Phenology: flowering & fruiting.

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: Cerrito Blanco, ca 1.5 air mi NW of Abiquiu.
Badlands with rabbitbrush flats and juniper mesas. Phenology: flowering.

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: NM Hwy 567 at Rio Grande Bridge and up road for ca 0.5 mi, ca 10 air mi SW of Taos.
Roadside with weeds and canyon slopes. Phenology: flowering & fruiting.
with Jill E. Larson

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: NM Hwy 554, ca 7 air mi S of El Rito.
Sandstone benches and draws, roadside and river bottom. Phenology: flowering.
with Jill E. Larson

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: Los Pinos State Recreation Area: ca 2.5-3 air mi SW of Los Pinos.
River bottom. Phenology: flowering.

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: 0.2 air mi W of Cerro to top of Guadalupe Mountain.
Pinyon/juniper to top with Douglas fir/ponderosa pine. Phenology: flowering.

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 & fruiting.

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: to SW of NM Hwy 522 and Forest Road 7 (road to D. H. Lawrence Ranch), ca 0.5 air mi.
Pinyon/juniper. Phenology: flowering.

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: Brushy Mountain, southern half.
Pinyon/juniper above, lower slopes with sagebrush and rabbitbrush. Phenology: flowering & fruiting.

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: north-northeast slope and summit of Cerro Montoso.
Pinyon/juniper with some ponderosa pine. Phenology: flowering.

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, McKinley County: Cibola National Forest: Llanito Frio Allotment.
T13N R7W S11
Woodland-pine transition in silt loam and basalt on a 0-5% north slope with blue grama and rabbitbrush. Phenology: flowering & fruiting.
with M. W. Talbot
Accession: USFS 468336

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, Rio Arriba County: Carson National Forest and Vicinity: along a continuation of Forest Road 556 at the Gravel BM and S, ca 1 air mi NE of Gavilan; ca 3 air mi SSE of Ojo Caliente.
Sandy to sandy-clay flats. Phenology: flowering & fruiting.

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: along Forest Road 551 from just E to ca 0.4 mi E of U.S. Hwy 285, ca 9 air mi SSE of Tres Piedras.
Pinyon/juniper forest. Phenology: flowering & fruiting.

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: Juan Jose Lobato Grant: offshoot of Forest Road 23, ca 3/4 air mi E of west Forest Boundary on east side of Abiquiu Reservoir, ca 5 air mi NW of Abiquiu.
Pinyon/juniper woodland with large openings of Stipa comata and Gutierrezia sarothrae. Phenology: flowering & fruiting.

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: Juan Jose Lobato Grant: Forest Road 23, ca 5.5 air mi N of U.S. Hwy 84 and Rio Chama, ca 2 air mi E of west Forest Boundary, ca 6 air mi NNW of Abiquiu.
Pinyon/juniper woodland with Gutierrezia sarothrae, Hilaria jamesii, and Opuntia polyacantha. 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: Canyon de los Alamos accessed from NM Hwy 519 and Forest Road 222 near Salt Lick Spring, ca 2 air mi NE of La Madera; ca 2.5 air mi SE of Anacones.
Pinyon/juniper woodland with Artemisia tridentata and Gutierrezia sarothrae. Phenology: flowering & fruiting.

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: south side of NM Hwy 75, ca 1 1/4 air mi NE of Dixon.
Hilly pinyon/juniper woodland with sandy, dry wash running through. Phenology: flowering & fruiting.

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: along dirt road E of NM Hwy 68, ca 0.5 air mi ENE of Pilar, east side of Rio Grande.
Slopes above the river in pinyon/juniper woodland with Heterotheca villosa, Aristida purpurea, and Artemisia tridentata. Phenology: flowering & fruiting.

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: Mule Canyon and Tusas Ridge area, Forest Road 576, mesa N of road to Miller Tank, ca 6 air mi NNW Tres Piedras.
Rocky basalt edge of mesa slopes below. Phenology: flowering & fruiting.

U.S.A., New Mexico, Otero County: Sacramento Mountains: Alamogordo, Dry Canyon vicinity
Phenology: flowering.

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: ca 1 air mi S of NM Hwy 554 (road to El Rito), ca 5 air mi W of Mesa Vista School and junction of NM Hwy 111 and U.S. Hwy 285.
Pinyon/juniper woodland with Artemisa tridenta exhibiting moderate-severe drought/beetle mortality; dry wash bordered by Chrysothamnus nauseous. Phenology: flowering & fruiting.

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: Forest Road 133 above cattle guard, ca 2 1/4 air mi S of Rio San Antonio, ca 15 air mi NW of Tres Piedras.
Dry meadow and sunny hilltop with Elymus smithii, Festuca arizonica and Muhlenbergia wrightii. 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, Taos County: Carson National Forest and Vicinity: Agua Caliente Canyon from dirt road immediately south to BLM land and bottom of canyon.
Pinyon/juniper above and on slopes, some cotton wood in canyon bottom. Phenology: flowering & fruiting.

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: NM Hwy 570, 2 road mi N of Pilar.
Roadside along edge of Rio Grande. Phenology: flowering & fruiting.

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: Rimrock southeast of junction NM Hwy 75 and 68, dirt road and wash.
Rocky and sandy slopes with volcanic rimrock and rubble; low slopes and creek bed. Phenology: flowering & fruiting.
1. Xanthisma spinulosum (Pursh) D. R. Morgan & R. L. Hartm. var. spinulosum
Annotated by Jill E. Larson.

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: ca 1.5 mi SW on NM Hwy 68 from NM Hwy 75, ca 0.5 mi SW along Rio Grande.
Roadside to river edge. Phenology: flowering & fruiting.

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: NM Hwy 68, 2 mi SW of Embudo, ca 0.2 air mi NE and SW.
Roadside to river banks. Phenology: flowering & fruiting.

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: ca 6 air mi SE of Dixon.
Sandy draw and stream bottom. Phenology: flowering.

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: ca 3 air mi E of junction NM Hwy 75 and 68.
Sandy hills and arroyo. Phenology: flowering & fruiting.

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: ca 2 to 3 air mi NW of Tres Piedras. Palmer Canyon to granite batholith SE of Tom Bryan Canyon.
Ponderosa pine woodland and granite; ponderosa pine forest. Phenology: flowering & fruiting.

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: ca 1 air mi W of Tres Piedras crossroads, just N of Tres Piedras Canyon.
Meadow and roadside away from granite. Phenology: flowering & fruiting.

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: Cerro del Aire, west slope.
Pinyon/juniper grasslands. Phenology: flowering & fruiting.

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: cut and fill along old Chili Line Railroad Grade and adjacent roadside along U.S. 285.
Disturbed areas. Phenology: flowering & fruiting.

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: La Segita Peaks, southwest peak.
Pinyon/juniper woodland and open slopes. Phenology: flowering & fruiting.

U.S.A., New Mexico, Dona Ana County: Jornada Range Reserve: Ash Canyon, Ropes Divide; pasture number 11.
Steep east slope; rocky, shallow limestone. Phenology: flowering & fruiting.
with A. F. Hough

U.S.A., Colorado, Montrose County: San Miguel and lower Dolores River Drainages: San Miguel River Drainage: Nucla.
Pinyon-juniper. Phenology: flowering & fruiting.
Accession: (unaccessioned)

U.S.A., Colorado, San Miguel County: San Miguel and Lower Dolores River Drainages: Dry Creek Basin.
Sandy flats with Artemisia, Atriplex, Gutierrezia, Centaurea, and Chrysothamnus; very dry. Phenology: flowering & fruiting.
Accession: (unaccessioned)

U.S.A., Colorado, Mesa County: San Miguel and Lower Dolores River Drainages: West Creek on Unaweep Divide.
Dry creek bed, from above spring to cliff base. Phenology: flowering & fruiting.
with Laura Cosse
Accession: (unaccessioned)

U.S.A., New Mexico, Torrance County: Cibola (Manzano) National Forest: Mountainair Ranger Station pasture.
Grass-weed community in deep gravelly loam on a 5 degree west slope with blue grama; commonly abundant; distributed in woodland communities. Phenology: flowering & fruiting.
with M. W. Talbot
Accession: USFS 468337

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.
Rocky flats with patches of mountain mahogany. Phenology: flowering & fruiting.
Accession: 678023, Barcode: RM0318782

U.S.A., Colorado, San Miguel County: Upper Dolores River Drainage and Adjacent Areas: Little Gypsum Valley; ca 13 road mi NW of Colo Hwy 141 on County Road 20.R., Gypsum Valley boat launch and surrounding area on north-side of the Dolores River.
River and adjacent pinion-juniper zone on south-facing slope on north side of river. Phenology: flowering & fruiting.

U.S.A., New Mexico, Socorro County: Hwy 380 between Carrizozo and Bingham.
Grassy hillsides with Juniper along hwy. Phenology: flowering & fruiting.

U.S.A., Colorado, Montezuma County: Upper Dolores River Drainage and Adjacent Areas: McElmo Canyon Area, ca 18.5 air mi W of Cortez, ca 4.5 air mi E of Ismay Trading Post, unmarked road N of County Road G, in Risley Canyon.
Pinyon-juniper, Purshia, rabbitbrush, and Atriplex, strong selenium odor; west facing slopes. Phenology: flowering.

U.S.A., Colorado, Montezuma County: Upper Dolores River Drainage and Adjacent Areas: McElmo Canyon Area, ca 18.5 air mi W of Cortez, ca 4.5 air mi E of Ismay Trading Post, unmarked road N of County Road G, in Risley Canyon.
Pinyon-juniper, Purshia, rabbitbrush, and Atriplex, strong selenium odor; west facing slopes. Phenology: flowering & fruiting.

U.S.A., Colorado, Montezuma County: Upper Dolores River Drainage and Adjacent Areas: McElmo Canyon Area, ca 20 air mi W of Cortez, ca 4.5 air mi E of Ismay Trading Post, unmarked road N of County Road G, in Risley Canyon.
Pinyon-juniper, Atriplex, Amelanchier, and Purshia on shale soil with selenium odor; southwest facing. Phenology: flowering & fruiting.

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

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, Los Alamos County: Santa Fe National Forest and Vicinity: Jemez Mountains: White Rock Canyon, Red Dot Trail to Pajarito Springs, the Rio Grande and down stream ca 1 mi; 2 - 2.5 air mi S of White Rock.
Rocky slopes along trail, stream, wet areas. Phenology: flowering.
with Brian Reif and Brian Jacobs

U.S.A., New Mexico, Sandoval County: Santa Fe National Forest and Vicinity: Jemez Mountains: Canyon de San Diego, Lower Jemez Campground, south to ca 2 air mi along Jemez River.
Riparian with cottonwood, willow, and roadsides. Phenology: flowering & fruiting.
with Brian Reif and Jim Fowler
Accession: RM (unaccessioned), Barcode: RM0108785

U.S.A., New Mexico, Rio Arriba County: Santa Fe National Forest and Vicinity: Jemez Mountains: Arroyo del Torro adjacent to U.S. Hwy 84.
Roadside right-of-way. 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: 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, 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. N35.716 W106.251, 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, Santa Fe County: Santa Fe National Forest and Vicinity: Jemez Mountains: Forest Road 24 on the Caja del Rio Plateau, 6 air mi WNW of Santa Fe Municipal Airport. N35.638 W106.200 NE 2.1 air mi to N35.665 W106.182 at Twelve Hundred Well.
Grazed juniper woodland. Phenology: flowering & fruiting.

U.S.A., New Mexico, Santa Fe County: Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Tesuque Creek on Winsor Trail 254, 3 air mi SE of Tesuque. N35.745 W105.888 SW 0.5 air mi on trail to N35.743 W105.896.
Narrow canyon bottom and riparian with mature ponderosa pine, horsetail, cottonwood, alder, and willow. Granitic soils. 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: N35.737 W106.711 at start of canyon E 0.6 air mi in canyon to N35.738 W106.701
Sandy wash of canyon bottom with exposed sandstone bedrock and scattered boulders; mostly mountain mahogany, Gambels oak, and Apache plume in wash surrounded by pinyon/juniper woodland slopes. Phenology: flowering.

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, Lincoln County: Lincoln National Forest: Ruidoso District, Cedar Creek pasture.
10 degree south slope; gravelly loam; common in high parks with blue grama. Phenology: flowering.
Robert S. Campbell, 76. 8/23/1928.
Accession: USFS 468332

U.S.A., New Mexico, Rio Arriba County: Santa Fe National Forest and Vicinity: Jemez Mountains: Forest Road 100 at Temoline Canyon, 4 air mi SE of Youngsville. NW1/4 air mi on road.
Roadside and roadcut through wide, flat canyon bottom of pinyon/juniper; sagebrush, rabbitbrush, and saltbush below. Phenology: flowering & fruiting.

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: top of Mesita de los Ladrones, ca 8-8.5 air mi E of Villanueva; ca 21-22 air mi S of Las Vegas.
Openings and meadows in pinyon/juniper forest. 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: flowering.

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.
Sandy-stony pinyon/juniper woodland. Phenology: flowering.

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: flowering.
with Jill Larson

U.S.A., New Mexico, San Miguel County: Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: 0.2 air mi S of Pablo Creek at forest boundary, 12 air mi WSW of Las Vegas.
Grassy north-facing, meadow slope in scattered ponderosa pine. Phenology: flowering & fruiting.

U.S.A., New Mexico, San Miguel County: Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Anton Chico Grant: Forest Road 85 at northern forest boundary, 1.5 air mi S of Bernal. Within 0.3 air mi of N35.367 W105.310.
Broad grassy plain with scattered juniper, and roadside. Phenology: flowering.

U.S.A., New Mexico, Santa Fe County: Santa Fe National Forest and Vicinity: Jemez Mountains: County Road 77 (Buckman Road) at Alamo Creek, 9 air mi SE of White Rock. Within 1/4 air mi of N35.743 W106.08.
Dry wash of coarse granite and broad lowland with scattered juniper in juniper hills. Phenology: flowering.

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.
Juniper hills on sedimentary soils east of river. 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: flowering.

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, Los Alamos County: [location and coordinates withheld]
Banks and lower margin along river. 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: flowering & fruiting.

U.S.A., New Mexico, San Miguel County: Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Anton Chico Grant: just SW of Mesita de los Ladrones, ca 21 air mi S of Las Vegas.
Grass and forb community with sandy substrate. Phenology: flowering.

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, Pima County: Santa Rita Range Reserve: Muhlenbergia Station.
Moderate west slope; sandy loam; with Bouteloua, Hilaria and Prosopis; open mesa in semi-desert. Phenology: flowering.
Richard S. Griffith, 505. 5/1/1926.

U.S.A., New Mexico, Curry County: Hwy 84 W of Clovis near Cannon Air Force Base.
Roadside and road cut with Berlandiera, Asclepias and Bouteloua. Phenology: flowering.

U.S.A., New Mexico, Guadalupe County: Hwy 60; ca 3 mi W of Vaughn.
Calcareous soil. Phenology: flowering & fruiting.

U.S.A., New Mexico, Socorro County: Hwy 60: ca 5 mi W of Socorro.
Common along roadside with Senecio and Bouteloua. Phenology: flowering & fruiting.
with B. L. Turner

U.S.A., New Mexico, Socorro County: Hwy 60: ca 5 mi W of Socorro.
Common on anhydrous gypsum with Sporobolus nealleyi, Coldenia hespidissima, Mentzelia, Calylophus and Gilia. Phenology: flowering & fruiting.
with B. L. Turner

U.S.A., New Mexico, Eddy County: SE of Lakewood on E side of Lake McMillian.
Red gypsum hills dominated by Microrhamnus, Koeberlinia and Dyssodia acerosa. Phenology: flowering.
with B. L. Turner

U.S.A., New Mexico, Roosevelt County: Hwy 70: 6 mi SW of Portales.
Common on red sand with Artemisia, Xanthisma, Gutierrezia, Bouteloua curtipendula, Machaeranthera tanacetifolia and Prosopis. Phenology: flowering & fruiting.
with J. D. Bacon

U.S.A., New Mexico, Lincoln County: Hwy 70: 24 mi W of Roswell.
Common on calcareous, gravelly roadcut. Phenology: flowering & fruiting.
with J. D. Bacon

U.S.A., New Mexico, Lincoln County: Hwy 70: 24 mi W of Roswell.
Common on calcareous outcrop with Cirsium, Bouteloua and Thelesperma. Phenology: flowering.
with J. D. Bacon

U.S.A., New Mexico, Lincoln County: 1 mi SE of Fort Stanton.
Common along gravel road. Phenology: flowering.

U.S.A., New Mexico, Lincoln County: Hwy 70: 24 mi W of Roswell.
Common along roadside. Phenology: flowering.

U.S.A., New Mexico, Lincoln County: 1 mi SE of Fort Stanton.
Common on roadside. Phenology: flowering.

U.S.A., New Mexico, Otero County: Hwy. 24, 1 mi S of Cloudcroft.
Common in Pinus ponderosa parkland with Mentzelia, Heterotheca, Quercus and Falugia. Phenology: flowering.

U.S.A., New Mexico, Eddy County: Hope.
Common on roadside. Phenology: flowering.

U.S.A., New Mexico, Eddy County: Hope.
Gypsum hills. Phenology: flowering & fruiting.

U.S.A., New Mexico, Lea County: Hwy 18: 5 mi S of Jal.
Common along roadside in stabilized sand dunes dominated by Artemisia, Quercus havardii, Prosopis, Eriogonum, Mentzelia and Heterotheca. Phenology: flowering & fruiting.

Xanthisma spinulosum var. spinulosum ()
U.S.A., New Mexico, Lincoln County: Lincoln National Forest: Gallinas Division.
Phenology: flowering & fruiting.
1.
Annotated by L. S. S. & I. Tidestrom in 2004.

U.S.A., New Mexico, Socorro County: Atomic Bomb Test Site: 2100 feet on East Transect.
with D. B. Dunn and Spellman

U.S.A., New Mexico, Dona Ana County: Jornada Range Reserve: pasture adjoining ranch on the West.
Sandy though slightly loamy. Phenology: flowering.
William R. Chapline, 139. 5/29/1915.

U.S.A., New Mexico, Otero County: Lincoln National Forest: Weed Ranger Station pasture.
Weed-grass community in clay loam of limestone origin on a 15 degree east slope with brush; scattered abundance; distributed in ponderosa pine communities. Phenology: flowering & fruiting.
William R. Chapline, 425. 9/19/1915.

U.S.A., New Mexico, Eddy County: Lincoln National Forest: Guadalupe Mountains: Carson Seep Ranger Station pasture.
Shallow clay loam; scattered in ponderosa pine with weeds, browse, side-oats grama, Andropogon, Muhlenbergia and hairy grama. Phenology: flowering & fruiting.
William R. Chapline, 719. 9/28/1916.

U.S.A., Wyoming, Laramie County: 1.5 mi NNE of Farthing.
Barren sandy-clay slope. Stems prostrate; rays yellow. Phenology: flowering & 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.
2.
Annotated by Ronald L. Hartman on 4//2004.

U.S.A., Wyoming, Laramie County: 3 mi W of Cheyenne.
Grassland with Rudbeckia and Bouteloua. Phenology: fruiting.

U.S.A., Colorado, Otero County: Along U.S. Hwy 350, ca 3.7 mi SW of junction with U.S. Hwy 50; 13 mi SW of La Junta.
T25S R56W S
Vicinity of railroad tracks W of highway; highly disturbed soil with Salsola australis, Bromus tectorum, and Sphaeralcea coccinea.

U.S.A., South Dakota, Pennington County: SE of Rapid City.
T1N R8E S7
Occasional on rocky hills. Phenology: flowering & fruiting.

U.S.A., South Dakota, Custer County: Along French Creek south of State Park.
Dry grassland. Phenology: flowering & fruiting.
Arthur C. McIntosh, 883. 9/5/1926.

U.S.A., South Dakota, Fall River County: Cascade Valley: Cascade Creek.
T8S R5E S20
Frequent in sandy soil. Phenology: flowering.

U.S.A., South Dakota, Meade County: Sturgis.
Dry clay bank. Phenology: flowering & fruiting.
Arthur C. McIntosh, A224. 9/5/1924.

U.S.A., South Dakota, Custer County: Wind Cave National Park.
Mixed grass-forb community. Phenology: flowering.

U.S.A., South Dakota, Lyman County: Rolling hills above U.S. Hwy 16, 4.5 mi W of Chamberlain.
Transition prairie in the Missouri River breaks. Phenology: flowering.
Annotated by A. H. Blakely in 2004.
with G. W. Parmelee, Stella M. Wilson, and P. G. Coleman

U.S.A., South Dakota, Custer County: Wind Cave Canyon.
Dryish open forest. Phenology: flowering.
with Leroy Peiler

U.S.A., South Dakota, Custer County: Harney National Forest.
On 5% southeast slope; deep loam soil; grass-weed type. Elev closer to 4900 f (USGS 7.5') G. Bryson Carto. Phenology: flowering.
Accession: USFS 468342, Barcode: USFS0072271

U.S.A., South Dakota, Fall River County:

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

U.S.A., New Mexico, Taos County: 2 mi N of Arroyo Hondo.
Gravelly slopes. label says Carson County Phenology: flowering & fruiting.
with Roland V. Rethke & R. van Raadshooven

U.S.A., Colorado, Archuleta County: Arboles.
Annotated by C. L. Porter in 1959.
Annotated by Edward L. Greene in 1959.

U.S.A., Colorado, Archuleta County: Arboles.
Annotated by Edward L. Greene.

U.S.A., Colorado, La Plata County: San Juan National Forest: Zobel Canyon.
5 degree southeast slope, light clay loam, with Artemisia and Atriplex. Phenology: flowering.
Gasper A. Loughridge, 480. 9/18/1934.

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

U.S.A., Colorado, El Paso County: Colorado Springs.
Phenology: flowering & fruiting.
Annotated by C. L. Porter in 1959.

U.S.A., Colorado, Weld County: Grover: Eleven M Ranch.
Annotated by C. L. Porter in 1959.

U.S.A., Colorado, Weld County: Grover: West Pawnee.

U.S.A., Colorado, Weld County: Evans.
Earl Lynd Johnston, 353A. //1908.

U.S.A., Colorado, Weld County: Fort Lupton.
Earl Lynd Johnston, 822A. 7/13/1915.

U.S.A., Colorado, El Paso County: Manitou.
Elev. 2100 m.
with E. S. Clements

U.S.A., Colorado, Larimer County: Clay roadside, east base of Arthur's Rock, 5 1/2 miles west.
Grassy slope. Phenology: flowering.

U.S.A., Colorado, Huerfano County: Cucharas Valley, near La Veta.
Mesas. Phenology: flowering.

U.S.A., Colorado, Costilla County: San Luis Valley: East of Fort Garland.
Pinyon and cedar areas. Phenology: flowering.

U.S.A., Colorado, Chaffee County: Buena Vista.
Dry grassland. Phenology: flowering.

U.S.A., Colorado, Boulder County: Boulder.
Phenology: vegetative only.

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

U.S.A., Colorado, Weld County: New Windsor.
George E. Osterhout, 2348. 8/4/1901.

U.S.A., Colorado, Weld County: Windsor.
George E. Osterhout, 3186. 9/4/1905.

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

U.S.A., Colorado, Bent County: Las Animas.

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

U.S.A., Colorado, Baca County: Springfield.

George E. Osterhout, 516. 9//1895.

U.S.A., Colorado, Lincoln County: E of Limon.

U.S.A., Colorado, Logan County: Sterling.

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.
Rolling grassland with gravelly-stony knolls. Phenology: flowering & fruiting.
Accession: 678000, Barcode: RM0318783

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

U.S.A., Colorado, Chaffee County: Buena Vista.
Dry soil. Phenology: flowering.

U.S.A., Colorado, Chaffee County: San Isabel National Forest.
T49N R9E
Rocky soil, pinyon-juniper. Phenology: flowering.

U.S.A., Colorado, Chaffee County:
T49N R9E
Rocky soil, pinyon-juniper. Collection number S-130(37) Phenology: flowering.
Annotated by S. F. Blake.

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

U.S.A., Colorado, Cheyenne County:
Plains. Phenology: flowering.

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.
Rocky flats with patches of mountain mahogany. Phenology: flowering & fruiting.
Accession: 678022, Barcode: RM0318781

U.S.A., Colorado, Cheyenne County:
Grassland, plains. Phenology: flowering.

U.S.A., Colorado, Bent County: Ca 1.0 mi N of Las Animas county line, along CO Hwy 109, between mile markers 28 and 29.
Roadside. Phenology: flowering.
with G. K. Brown and T. M. Evans

U.S.A., Colorado, Larimer County: Fort Collins: College Farm.
Dry ground. Phenology: flowering.

U.S.A., Colorado, Saguache County: Mouth of Rito Alto Creek.
10% south slope, sandy soil, woodland. Phenology: flowering.
Annotated by S. F. Blake.

U.S.A., Colorado, Rio Grande County: Rio Grande National Forest: Alder Creek.
10% south slope, sandy slope, with grass and weeds. Phenology: flowering.

U.S.A., Colorado, Las Animas County: 3 mi E of Alcreek, foot of Mesa de Maya.
Open rocky knoll. Phenology: flowering.

U.S.A., Colorado, Weld County:
Abandoned field, sandy loam. Phenology: flowering.

U.S.A., Colorado, Las Animas County: Mesa de Maya Region: mesa N of Gotera Canyon.
South facing slopes, mixed grassland, Dakota sandstone. Phenology: flowering.
with Dina Clark and Rick Brune

U.S.A., Colorado, Las Animas County: Mesa de Maya Region: Tecote Mesa.
Bouteloua gracilis shortgrass mesa top. Phenology: flowering.

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

U.S.A., New Mexico, Lincoln County: Lincoln National Forest: Ruidoso District, Cedar Creek pasture.
10 degree south slope; gravelly loam; common in high parks with blue grama. Phenology: flowering.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: "Five Buttes", ca 5.3 air mi of Jay Em; ca 27.5 air mi N of Lingle, just E of U.S. Hwy 85.
Shortgrass plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Niobrara County: Southern Powder River Basin/Southeastern Plains: Hat Creek Breaks: ridge between S Bar and East Indian Creeks, ca 1.5 air mi SW of Whitman; ca 18 air mi NE of Lusk.
Sandy slopes and flats in rough breaks. Phenology: flowering & fruiting.
Annotated by Ronald L. Hartman on 4//2004.

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.
Meadow on ridgetop and plateau.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: ca 5.5 air mi WSW of Jay Em, ca 30.5 air mi NW of Torrington, at Muskrat Creek, just S of Ft. Laramie Road.
In upland with Eriogonum. Frequent.
Annotated by Ronald L. Hartman on 4//2004.

U.S.A., Wyoming, Campbell County: [location and coordinates withheld]
Scoria topped butte, loose talus slopes, plains; plains, slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: [location and coordinates withheld]
Plains and flats along creek, eroded slopes, sandy roadcuts; plains.

U.S.A., Wyoming, Converse County: [location and coordinates withheld]
Sagebrush plains, sandy ditch along road; plains.

U.S.A., Wyoming, Converse County: Powder River Basin: Ross Road, ca 22 road mi N of junction with Wyo Hwy 93.
Sandy roadside.

U.S.A., Wyoming, Campbell County: [location and coordinates withheld]
Rolling plains, sandy roadcut; plains.

U.S.A., Wyoming, Sheridan County: [location and coordinates withheld]
Dry plains, slopes; plains.

Sandy roadside ditch and roadcut.

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.

U.S.A., Wyoming, Converse County: [location and coordinates withheld]
Sparsely vegetated knoll and roadcut in rolling plains of sagebrush-grassland. Phenology: flowering & fruiting.

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.
Rolling rough breaks-badland with scattered ponderosa pine. Phenology: flowering.

U.S.A., Wyoming, Niobrara County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Deep Creek on Field or County Road 50 SE of Cow Creek Buttes, ca 17 air mi NW of Lance Creek, ca 30.5 air mi NW of Lusk.
43.21° N, 104.8908° W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO!
Sandstone-siltstone bluffs along the creek. Phenology: flowering.

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.

U.S.A., Wyoming, Goshen County: [location and coordinates withheld]
Sandy clay weedy grassland plains. Phenology: flowering & 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]
Siltstone knoll and road cut. Phenology: flowering & fruiting.

Sagebrush-grassland. Phenology: flowering & fruiting.

Rolling plains on Chugwater red beds. Phenology: flowering.

U.S.A., Wyoming, Niobrara County: Southern Powder River Basin/Southeastern Plains: Hat Creek Breaks: between S Bar or County Road 62 and S Bar Creek, ca 18 air mi NE of Lusk; ca 15 air mi N of Van Tassell.
Sandy slopes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Niobrara County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Indian Creek off Hat Creek or County Road 64, ca 16 air mi NE of Lusk; ca 19.8 air mi NW of Van Tassell.
Rolling mixed grass plains. Phenology: flowering.

U.S.A., Wyoming, Laramie County: [location and coordinates withheld]
Roadside and road cut through a limestone knoll and adjacent fence line. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along Horse Creek and adjacent plains W of County Road 191, ca 4 air mi S of La Grange; ca 34 air mi S of Torrington.
Gullies and steep slopes along the creek. Phenology: flowering.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along Fort Laramie or County Road 8, ca 3.8 air mi NNE of Fort Laramie; ca 21.3 air mi NW of Torrington.
Mixed grass plains with low sandstone outcrops. Phenology: flowering.

U.S.A., Wyoming, Platte County: [location and coordinates withheld]
Mixed grass plains and fence row. Phenology: flowering & fruiting.

U.S.A., Wyoming, Niobrara County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: above Spring Creek along a County Road between Redbird or County Road 11 and Wasserburger or County Road 13, ca 19 air mi NE of Lance Creek; ca 25 air mi N of Lusk.
Rough breaks and flats at the bottom. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along the North Platte River above River Canyon in the upper end of Glendo Reservoir, ca 7.3 air mi NNW of Glendo, ca 29 air mi NW of Guernsey.
Steep rocky slope with juniper woodland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Laramie County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along Chivington Draw W of Egbert or County Road 154 ca 10 air mi N of Egbert; ca 13.3 air mi NW of Pine Bluffs.
Mixed grass slopes on the bluffs. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Ross or County Road 31 between Dry Fork Cheyenne River and Cheyenne River Draw and along Cheyenne River Draw, ca 36 air mi NNW of Douglas.
Sandy rolling sagebrush-grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Antelope Creek and Ross or County Road 31, ca 31 air mi WNW of Bill, ca 50.5 air mi NNW of Douglas, ca 3.5 air mi SE of Ross.
Rolling grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: ca 0.5 mi S of Horseshoe Creek along Horseshoe Creek or County Road 59 ca 15.5 air mi SW of Glendo; ca 27.5 air mi NNW of Wheatland.
Sagebrush-grassland or grassland. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: Fort Laramie National Historic Site: vicinity of the Oregon Trail ruts above the North Platte River, ca 3 air mi W of Fort Laramie (town), ca 23 air mi NW of Torrington.
Sandy plains of sand sage-grassland. Phenology: flowering & fruiting.
with David Reilly

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.

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

U.S.A., Wyoming, Laramie County: Laramie Mountains: along South Fork Bear Creek E from Bristol Ridge or County Road 237, ca 27 air mi NNW of Cheyenne.
Dry flats above the creek. 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.
Meadow on ridgetop and plateau. 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. Phenology: flowering.

U.S.A., Wyoming, Crook County: Black Hills: headwaters of Bitter Creek, ca 2.5 air mi WNW of Alva.
Grassland. Phenology: flowering.

U.S.A., Wyoming, Crook County: Black Hills, S of Belle Fourche River near Mona, ca 14 air mi NNE of Hulett.
Grassland on south- and west-facing slopes. Phenology: flowering.

U.S.A., Wyoming, Crook County: [location and coordinates withheld]
Big sagebrush grassland. ( ) From field notes. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Keyhole Reservoir, Cottonwood Creek and Dry Cove Campground, ca 11.5 air mi NE of Moorcroft.
Big sagebrush-grassland. Phenology: flowering.

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.
with Dennis Horning

U.S.A., Wyoming, Weston County: Black Hills: U. S. Hwy 16 near State Line (Gillette Canyon), ca 9.5 air mi SE of Newcastle.
Northeast-facing slope with mountain mahogany. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: [location and coordinates withheld]
Sandy plains, holding pond; plains. Phenology: flowering.

U.S.A., Wyoming, Crook County: [location and coordinates withheld]
Plains, sandy slopes, sandstone outcrops; plains. Phenology: flowering.

U.S.A., Wyoming, Crook County: Moorcroft.
Dry hills. Phenology: flowering & fruiting.
Annotated by R.L. Hartman in 2004.

U.S.A., Wyoming, Weston County: Newcastle.
Western foothills; Cercocarpus associaton; xero-mesophytic. Phenology: vegetative only.
Annotated by R.L. Hartman in 2004.

U.S.A., Wyoming, Crook County: Devils Tower National Monument: S Dog Town.
T53N R65W S18
Comon on disturbed alluvial soil with Aristida longiseta and Asclepias pumila. Phenology: flowering.

U.S.A., Wyoming, Crook County: 7 mi NW of Hulett.
Dry, grassy uplands. Phenology: flowering & fruiting.
Annotated by R.L. Hartman in 2004.

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

U.S.A., Wyoming, Albany County: Laramie.
On open, dry plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Niobrara County: Manville.
42.7791° N, 104.6177° W; NAD 83, uncertainty 1 mi., Nat. Geog. TOPO!
On sandy roadside. Phenology: flowering & fruiting.

U.S.A., Wyoming, Laramie County: Cheyenne.
41.14° N, 104.8202° W; NAD 83, uncertainty 4 mi., Nat. Geog. TOPO!

U.S.A., Wyoming, Niobrara County: Lance Creek Junction, 22 mi N of Lusk on U.S. Hwy 85.
43.0589° N, 104.3697° W; NAD 83, uncertainty 2 mi., Digital Map
Dry, rolling hills. Phenology: flowering & fruiting.

U.S.A., Wyoming, Natrona County: Casper.
42.8533° N, 106.2445° W; NAD 83, uncertainty 3 mi., Digital Map
Dry roadside. Phenology: flowering & fruiting.
with Lois B. Payson

U.S.A., Wyoming, Albany County: Along the Laramie River, 15 mi SW of Laramie.
with E. N. Wilcox

U.S.A., Wyoming, Laramie County: Ca 7 mi W of Cheyenne and 1 mi N of U.S. Hwy 30.
Shortgrass prairie. Phenology: flowering & fruiting.

U.S.A., Wyoming, Laramie County: Pine Bluffs: on top of bluffs 0.8 air mi SSW of Pine Bluffs.
Ponderosa pine/juniper on north and northeast slope. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Douglas.
From barrow pit of highway in sandy soil. Phenology: flowering & fruiting.

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.
Annotated by B. E. Nelson.
with Bernadette Kuhn

U.S.A., Colorado, Baca County: Comanche National Grassland: at the intersection of County roads 13 and U, ca 8.5-9 air mi S of Pritchett; ca 16.5 air mi SW of Springfield.
Sandsage rangeland with large areas of Bromus tectorum and areas of barren sand. Phenology: flowering & fruiting.
Annotated by B. E. Nelson.
with Bernadette Kuhn

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, Otero County: Comanche National Grassland: ca 7.5 air mi W of Timpas; ca 22 air mi WSW of La Junta.
Weedy Hordeum and Bromus dominated grassland with Atriplex. Phenology: flowering & fruiting.
with Bernadette Kuhn

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.
Sandsage flats on sandy silt substrate. Phenology: flowering & fruiting.

U.S.A., Colorado, Baca County: Comanche National Grassland: along a branch of Burrows Draw ca 2 mi N of Oklahoma, ca 8 air mi SE of Campo.
Shallow draw in shortgrass prairie. Phenology: flowering & fruiting.

U.S.A., Colorado, Baca County: Comanche National Grassland: ca 12 air mi SW of Springfield.
Buffalo grass, Opuntia sp., grazed upland shortgrass prairie. Phenology: flowering & fruiting.
Annotated by Bernadette Kuhn.
with Laura E. Lukus

U.S.A., Colorado, Baca County: Comanche National Grassland: ca 23 air mi SW of Springfield.
Shortgrass prairie with Yucca sp., Opuntia sp., and Buchloë dactyloides; grazed. Phenology: flowering & fruiting.
Annotated by Bernadette Kuhn.
with Laura E. Lukus

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, 706. 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, 729. 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.
Bernadette Kuhn, 762. 6/7/2007.

U.S.A., Colorado, Baca County: Comanche National Grassland: 4 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., Kansas, Morton County: Cimarron National Grassland: Scenic Overlook ca 14.5 air mi N of Elkhart.
Rocky prairie dominated by Xanthisma spinulosum, Bouteloua spp., and Aristida spp. 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, Otero County: Comanche National Grassland: ca 32.5 air mi SW of La Junta.
Sandy prairie dominated by Yucca glauca and Plantago patagonica. Phenology: flowering & fruiting.
with B. E. Nelson

U.S.A., Colorado, Baca County: Comanche National Grassland: ca 10.5 air mi SW of Springfield.
Shortgrass prairie dominated by Bromus japonicus and Elymus sp. Phenology: flowering & fruiting.
with B. E. Nelson

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: North Ute Canyon, 27 air mi S of Springfield.
Rocky upland area with Yucca and Opuntia. Phenology: flowering & fruiting.

U.S.A., Colorado, Otero County: Comanche National Grassland: ca 9 air mi SE of La Junta.
Rocky prairie with scattered Juniperus monosperma Phenology: flowering & fruiting.

U.S.A., Colorado, Otero County: Comanche National Grassland: Shale Hills, ca 17 air mi SSW of La Junta.
Rough breaks with dense limestone chip. Phenology: flowering & fruiting.

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.

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: ca 10 air mi SSW of Springfield.
Shortgrass prairie with wet draw. Phenology: flowering & fruiting.

U.S.A., Colorado, Baca County: Comanche National Grassland: ca 4.5 air mi WSW of Pritchett.
Overgrazed shortgrass prairie. 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, Las Animas County: Comanche National Grassland: Cottonwood Creek near Potato Butte, ca 14.5 air mi SE of Kim.
Wet area along creek and below butte. 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, Otero County: Comanche National Grassland: Timpas Cementary, ca 17 air mi SW of La Junta.
Rocky upland, shortgrass prairie with Stipa comata and Elymus smithii. Phenology: flowering & fruiting.
with Joe Rankin.

U.S.A., Colorado, Otero County: Comanche National Grassland: ca 19 air mi SW of La Junta.
Prairie with rocky upland and low spring. Phenology: flowering & fruiting.
with Joe Rankin.

U.S.A., Colorado, Las Animas County: Comanche National Grassland: ca 24 air mi WSW of Pritchett.
Shortgrass prairie with disturbed dugout area and old home site. 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.

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: 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, Otero County: Comanche National Grassland: Shale Hills, ca 16 air mi S of La Junta.
With rocky, exposed slopes. Phenology: flowering & fruiting.

U.S.A., Colorado, Baca County: Comanche National Grassland: Southeastern Colorado Research Station, 7.5 mi WSW of Springfield.
House site and pasture dominated by Aristida sp. and Buchloë dactyloides. Phenology: flowering & fruiting.

U.S.A., Colorado, Las Animas County: Comanche National Grassland: Purgatoire River Valley, ca 26 air mi SSW of La Junta.
In river valley dominated by Bouteloua sp, Opuntia sp., and scattered Juniperus sp. Phenology: flowering & fruiting.
with Joe Rankin

U.S.A., Colorado, Las Animas County: Comanche National Grassland: Purgatoire River Valley, ca 26.5 air mi SSW of La Junta.
Hills flanking river vally, dominated by Juniperus monosperma, Rhus aromatica, and Opuntia sp. Phenology: flowering & fruiting.
with Joe Rankin

U.S.A., Colorado, Otero County: Comanche National Grassland: ca 13 air mi S of La Junta along Forest Road 802.
In heavily grazed pasture with stock pond. Phenology: flowering & fruiting.
with Joe Rankin

U.S.A., Colorado, Las Animas County: Comanche National Grassland: between Bravo Canyon and Purgatoire River, ca 29.5 air mi SSW of La Junta.
Along base of sandstone outcrops, dominated by Juniperus monosperma, Bouteloua curtipendula, and Cercocarpus montanus. Phenology: flowering & fruiting.

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.

U.S.A., Colorado, Otero County: Comanche National Grassland: ca 15 air mi S of La Junta.
Weedy canyonside dominated by Juniperus monosperma. Phenology: flowering & fruiting.

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: flowering & fruiting.

U.S.A., Colorado, Baca County: Comanche National Grassland: at junction of County Road M and County Road 13, ca 16 mi S of Pritchett.
Shortgrass prairie and roadside, sandy soil. Phenology: flowering & fruiting.
Annotated by Brian Elliott.

U.S.A., Colorado, Baca County: Comanche National Grassland: 3/4 mi N of Picture Canyon Picnic Area, ca 2 mi N of Oklahoma, ca 10.5 mi SW of Campo.
Sandstone bluffs, hills, cliffs, and canyons. Phenology: flowering & fruiting.
Annotated by Brian Elliott.

U.S.A., Colorado, Otero County: Comanche National Grassland: ca 16 mi S of La Junta, ca 5 mi W of Vogel Canyon on bluffs above the junction of Forest Road 350 and Rourke Road.
On an east-west ridge with limestone soil; with scattered juniper and Yucca glauca in Oryzopsis-Hilaria grassland. Phenology: flowering & fruiting.
Annotated by Brian Elliott.

U.S.A., Colorado, Baca County: Comanche National Grassland: ca 8 air mi WSW of Springfield, Carrizo Workcenter (Southeastern Colorado Research Center).
Workcenter yard and windbreaks. Phenology: flowering & fruiting.
with Bernadette Kuhn, Laura E. Lukas

U.S.A., Colorado, Otero County: Comanche National Grassland: Shale Hills, ca 9 air mi SE of Timpas.
Shale bluffs, top to bottom. Phenology: flowering & fruiting.
with Bernadette Kuhn, Laura E. Lukas

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: fruiting.
1. Xanthisma spinulosum (Pursh) D. R. Morgan & R. L. Hartm. var. spinulosum .

U.S.A., Colorado, Otero County: Comanche National Grassland: ca 26 air mi SW of La Junta.
Rocky barren with Juniperus sp. Phenology: flowering & fruiting.
1. Xanthisma spinulosum (Pursh) D. R. Morgan & R. L. Hartm. var. spinulosum .

U.S.A., Colorado, Baca County: Comanche National Grassland: ca 8.5 air mi SSW of Springfield.
Shortgrass prairie dominated by Buchloë dactyloides and Psoralea tenuiflora. Phenology: flowering & fruiting.

U.S.A., Colorado, Baca County: Comanche National Grassland: along County C, ca 9 air mi SE of Campo.
Sandy road bank, ungrazed, dominated by Mentzelia and Buchloë dactyloides. Phenology: flowering & fruiting.

U.S.A., Colorado, Baca County: Comanche National Grassland: Aubrey Canyon, ca 6.5 air mi SSE of Campo.
Sandstone outcrops with Brickellia and Rhus aromatica. Phenology: flowering & fruiting.

U.S.A., Colorado, Baca County: [location and coordinates withheld]
Overgrown with Bromus japonicus and Opuntia. Phenology: flowering & fruiting.

U.S.A., Kansas, Morton County: Cimarron National Grassland: at scenic overlook, ca 8.5 air mi N of Elkhart.
Rocky sandsage prairie dominated by Dalea purpurea, Aristida purpurea, and Machaeranthera sp. Phenology: flowering & fruiting.

U.S.A., Kansas, Morton County: Cimarron National Grassland: 1 mi W of Kans Hwy 27, ca 5 air mi N of Elkhart.
Sandsage prairie with rolling dunes dominated by Yucca glauca and Opuntia. Phenology: flowering & fruiting.

U.S.A., Kansas, Morton County: Cimarron National Grassland: near oil derrick, 0.5 mi W of intersection of Kans Cimarron National Grassland: Kans Hwy 51 and Kans Hwy 27, on north side of Kans Hwy 51, ca 9 air mi N of Elkhart.
Shortgrass prairie with sandy soils; scattered Yucca glauca and Chamaesaracha. Phenology: flowering & fruiting.

U.S.A., Colorado, Baca County: Comanche National Grassland: ca 8.5 air mi SW of Pritchett.
Shortgrass prairie dominated by Buchloë dactyloides. Phenology: flowering & fruiting.

U.S.A., Colorado, Otero County: Comanche National Grassland: on Colo Hwy 109, ca 11 air mi S of La Junta.
Roadside, rock outcrops of roadbank. Phenology: flowering & fruiting.

U.S.A., Colorado, Las Animas County: Comanche National Grassland: along Colo Hwy 109, ca 7.5 air mi S of La Junta.
Weedy roadside dominated by Bromus japonicus. Phenology: flowering & fruiting.

U.S.A., Colorado, Otero County: Comanche National Grassland: Higbee Canyon, on Colo Hwy 109, ca 15 air mi S of La Junta.
Sandstone canyon with scattered Juniperus monosperma and Rhus aromatica. Phenology: flowering & fruiting.

U.S.A., Colorado, Otero County: Comanche National Grassland: ca 18 air mi SSW of La Junta.
On shale hills with scattered Juniperus monosperma. Phenology: flowering & fruiting.

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

U.S.A., Colorado, Otero County: [location and coordinates withheld]
Shale hills dominated by Aristida purpurea and Stipa. Phenology: flowering & fruiting.

U.S.A., Colorado, Otero County: [location and coordinates withheld]
Roadbank dominated by Yucca glauca and Bromus japonicus. Phenology: flowering & fruiting.

U.S.A., Colorado, Otero County: Comanche National Grassland and Vicinity: along County Road 35, ca 7 air mi SE of La Junta.
Shale hills dominated by Yucca glauca and Aristida purpurea. Phenology: flowering & fruiting.

U.S.A., Colorado, Otero County: Comanche National Grassland and Vicinity: along Colo Hwy 167 at radio tower, ca 12.5 air mi S of Fowler.
Rocky shortgrass prairie with clay soils. Phenology: flowering & fruiting.

U.S.A., Colorado, Otero County: Comanche National Grassland: at Sierra Vista Scenic Overlook, ca 13.5 air mi SW of La Junta.
Ungrazed prairie with shale outcrops, dominated by Artemisia and Stipa. Phenology: flowering & fruiting.

U.S.A., Colorado, Otero County: [location and coordinates withheld]
Roadside and rocky hill. 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 & fruiting.

U.S.A., Colorado, Otero County: Comanche National Grassland: along Forest Road 500A, ca 23.5 air mi S of La Junta.
Shortgrass prairie dominated by Stipa, Elymus, and Schedonnardus. Phenology: flowering & fruiting.

U.S.A., Colorado, Otero County: Comanche National Grassland: near Withers Canyon Trailhead, ca 22 air mi S of La Junta.
Shortgrass prairie dominated by Aristida, Elymus, and Stipa with scattered Juniperus monosperma. Phenology: flowering & fruiting.

U.S.A., Colorado, Otero County: Comanche National Grassland: along Colo Hwy 109, ca 7 air mi S of La Junta.
Weedy roadside and rocky roadcut; roadcut with Dalea candida and Dalea purpurea. Phenology: flowering & fruiting.

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

Dry creek dominated by Tamarix and Iva axillaris. Phenology: flowering & fruiting.

U.S.A., Colorado, Otero County: Comanche National Grassland: along David Canyon Road, ca 14 air mi S of La Junta.
Shale hills, limestone outcrops with Mentzelia and scattered Juniperus. Phenology: flowering & fruiting.

Rocky prairie with scattered Juniperus monosperma. Phenology: flowering & fruiting.

Elm stand, sandy soil. Phenology: fruiting.

U.S.A., Colorado, Otero County: Comanche National Grassland: along Red Rock or County Road 13, ca 5.5 air mi S of U.S. Hwy 350, ca 10.5 air mi SSW of Timpas.
Rocky prairie, with limestone outcrops, scattered Juniperus monosperma. Phenology: flowering & fruiting.

Rocky prairie dominated by Elymus elymoides. Phenology: flowering & fruiting.

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

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

U.S.A., Colorado, Las Animas County: [location and coordinates withheld]
Dakota sandstone, dominated by Stipa and Elymus elymoides. Phenology: flowering & fruiting.

Dakota sandstone with Juniperus monosperma. Phenology: flowering & fruiting.

Lower spring, Tamarix dominated, grazed. Phenology: flowering & fruiting.

U.S.A., Colorado, Otero County: Comanche National Grassland: Picketwire (Purgatoire) Canyon, ca 27 air mi SSW of La Junta.
Dakota sandstone rock outcrops, sandy soil along trail with scattered Atriplex and Juniperus monosperma. Phenology: flowering & fruiting.
with Cali Hemenway

U.S.A., Colorado, Otero County: Comanche National Grassland and Vicinity: at radio tower, along Colo Hwy 109, ca 11 air mi S of La Junta.
Weedy roadside, dominated by Bromus japonicus. Phenology: flowering & fruiting.
with Cali Hemenway

U.S.A., Colorado, Baca County: Comanche National Grassland: Picture Canyon, ca 28 air mi SSW of Springfield.
Along sandstone cliffs at park entrance. Phenology: 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., Kansas, Morton County: Cimarron National Grassland: ca 8 air mi N of Elkhart.
Sandsage prairie with limestone outcrops. Phenology: flowering & fruiting.

U.S.A., Kansas, Morton County: Cimarron National Grassland: along County Road 10, ca 2.5 air mi NE of Elkhart.
Shortgrass prairie dominated by Bothriochloa laguroides. Phenology: flowering & fruiting.

U.S.A., Kansas, Morton County: Cimarron National Grassland: ca 3 air mi NE of Wilburton.
Sandsage prairie dominated by Yucca glauca, Artemisia, and Aristida purpurea. Phenology: flowering & fruiting.

U.S.A., Colorado, Bent County: Comanche National Grassland: ca 8 air mi E of La Junta.
Limestone outcrops, rocky prairie dominated by Eriogonum sp. and Stipa spp. Phenology: flowering & fruiting.

U.S.A., Colorado, Otero County: Comanche National Grassland and Vicinity: Ninemile Valley at junction of County Road 806 and Colo Hwy 109, ca 16 air mi SSE of La Junta.
Right of way dominated by Aristida purpurea and Cucurbita foetidissima. Phenology: flowering & fruiting.

U.S.A., Colorado, Otero County: Comanche National Grassland: ca 10 air mi S of La Junta.
At base of shale hills in shortgrass prairie dominated by Cylindropuntia imbricata, grazed. Phenology: flowering & fruiting.

Road bank dominated by Elymus elymoides. Phenology: flowering & fruiting.

Shortgrass prairie with limestone at surface, dominated by Stipa sp. Phenology: flowering & fruiting.

Flowing irrigation canal dominated by Salix exigua and Rumex crispus. Phenology: flowering & fruiting.

U.S.A., Colorado, Otero County: Comanche National Grassland: Timpas Creek near Mindeman, ca 28 air mi SW of La Junta.
Rocky, upland prairie dominated by Cylindopuntia imbricata and Stipa neomexicana. Phenology: flowering & fruiting.

U.S.A., Colorado, Otero County: Comanche National Grassland: NW of Vogel Canyon, ca 15 air mi S of La Junta.
Roadside and rocky prairie dominated by Aristida purpurea. Phenology: flowering & fruiting.

U.S.A., Colorado, Otero County: Comanche National Grassland: ca 3 air mi NW of Bloom; ca 31 air mi SW of La Junta.
Base of shale hills, dominated by Juniperus monosperma and Stipa neomexicana. 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: flowering & fruiting.

U.S.A., Colorado, Otero County: Comanche National Grassland: Timpas Creek, ca 2.5 air mi NE of Mindemen; ca 8.5 air mi SW of La Junta.
Creek dominated by Populus and Salix. 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: 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.

Hills dominated by Pinus edulis, Cercocarpus montanus and Juniperus monosperma. Phenology: fruiting.

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

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: 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: flowering & fruiting.

Shortgrass prairie upland above creek dominated by Ratibida columnifera, Sphaeralcea coccinea, and Bothriochloa laguroides. Phenology: fruiting.
with Everett Jackson

U.S.A., Kansas, Morton County: Cimarron National Grassland: along North Fork Cimarron River, ca 13.5 air mi W of Richfield.
Roadside with Ulmus stand. Phenology: flowering & fruiting.

U.S.A., Kansas, Morton County: Cimarron National Grassland: ca 2.5 air mi S of Rolla.
In sandsage prairie, along two track leading to well. Phenology: flowering & fruiting.

U.S.A., Kansas, Morton County: Cimarron National Grassland: along Cimarron River, ca 7.5 air mi SE of Richfield.
Sandsage prairie along the river. Phenology: fruiting.

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

At spring. 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: 0.5 mi N of County Road C, along two track, ca 11 air mi SE of Campo.
Dominated by Yucca, Artemisia filifolia, and Sporobolus. Phenology: flowering & fruiting.

U.S.A., Colorado, Baca County: Comanche National Grassland: 1/4 mi S of County Road C, along two track, ca 13.5 air mi SE of Campo.
Sandsage prairie, dominated with Tribulus terrestris as ground cover. 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: flowering & fruiting.

Dakota sandstone canyon dotted with Juniperus monosperma. Phenology: flowering & fruiting.
with Don Hazlett

U.S.A., Colorado, Otero County: Comanche National Grassland: near Hall Ranch, along two track, 0.5 mi E of Government Reservoir, ca 27air mi SW of La Junta.
Shale outcrops with scattered Juniperus monosperma. Phenology: flowering & fruiting.
with Don Hazlett

U.S.A., Colorado, Otero County: Comanche National Grassland: near Hall Ranch, between Christian and Devils canyons, ca 34 air mi SW of La Junta.
In swale dominated by Mirabilis multiflora and Bouteloua. Phenology: flowering & fruiting.
with Don Hazlett

Pond dominated by Ambrosia and Eleocharis. Phenology: fruiting.

Sandstone canyon uplands dominated by Rhus aromatica and scattered Juniperus monosperms. Phenology: flowering & fruiting.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: along east side of I-25, 1/4-3/4 air mi SW of where I-25 crosses the Vermejo River.
Shortgrass prairie dominated by Bouteloua dactyloides, Hilaria jamesii, and other grasses; area along fenceline was recently disturbed. Rays yellow; common in disturbed soil. Photographed.
Annotated by Ben Legler on 3/5/2008.
with Neil Snow

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: along banks of Vermejo River immediately downstream from (SE of) I-25.
Sandy river bottom dominated by recently killed Salix (Tamarix control), with Glycyrrhiza lepidota, Helianthus annuus, Juncus balticus. Rays yellow; plants frequent. Phenology: flowering.
Annotated by Ben Legler on 3/5/2008.
with Neil Snow

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: southwest shore of No. 2 Lake, 7.5 air mi E of Cimarron.
Man-made lake with marshy shore dominated by grasses, gently grading into dry flats of Opuntia cylindrica, O. phaeacantha and short-grass prairie. Rays yellow; plants scattered. Phenology: flowering.
with Neil Snow

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. Rays yellow; common. Photographed. Phenology: flowering.
Annotated by Ben Legler on 3/5/2008.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: eastern-most hill in Cedar Hills, 9.8 air mi E of Cimarron.
Flat open hilltop dominated by grasses; sides steep, with Juniperus monosperma, Pinus edulis, Cercocarpus montanus. Rays yellow; scattered in bare open soil. Photographed. Phenology: flowering.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: flats at mouth of Crow Canyon, 14.7 air mi SW of Raton.
Flat grassland, dry soil, with scattered Yucca glauca, Atriplex. Rays and disks yellow; uncommon on road side. Phenology: flowering.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: rocky promitory on north side of Ponil Creek 3.2 air mi E of Cimarron.
Gently sloping rocky hill on shortgrass prairie, with sparse herbaceous vegetation and scattered Rhus aromatica var. trilobata, Cercocarpus montanus, Cylindropuntia imbricata; dry soil. Rays yellow; uncommon. Phenology: flowering.

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. Rays yellow; stems tufted; occasional in bare soil. Phenology: flowering.

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. Rays yellow; uncommon in bare soil. Photographed. Phenology: flowering.

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. Rays yellow; occasional. Phenology: flowering & fruiting.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: north side of Van Bremmer Creek 1.7 air mi SE of where creek crosses U.S. Hwy 64.
Low stony rise in prairie, with Chaetopappus ericoides, Tetraneuris acaulis, grasses. Rays yellow; scattered on slope. Specimen GPS: 36.557209, -104.751564. Phenology: flowering.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: along Cerrososo Canyon Road 2.5 road mi NW of its junction with U.S. Hwy 64; 5.2 air mi NE of Cimarron.
Dry, gravelly roadside among canyon bottom grassland, with Lycium pallidum. Flowers yellow; frequent. Specimen GPS: 36.564503, -104.850975. 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. Flowers yellow; occasional on flats. Photographed. Specimen GPS: 36.593021, -104.80117. Phenology: flowering.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: in Dillon Canyon at mouth of Tin Pan Canyon; 5.5 air mi NE of Raton.
Dry, weedy canyon floor with open grassland and dry stream channel; and around old cattle pens and outbuilding. Ray and disk flowers bright yellow; uncommon in gravelly soil along stream channel. Specimen GPS: 36.942947, -104.524101. 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. Ray and disk flowers yellow; locally common. Specimen GPS: 36.844925, -104.992363. Phenology: flowering.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: on low divide between Blind Canyon and Cottonwood Canyon; 20.1 air mi SW of Raton.
Gently rolling grassland with short grasses and Verbena macdougalii; surrounded by Pinus edulis groves. Flowers yellow; local in area of partially bare soil. Specimen GPS: 36.812546, -104.788643. 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. Flowers yellow; uncommon. Specimen GPS: 36.883495, -104.792061. Phenology: flowering & fruiting.

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 Flowers yellow; occasional. Specimen GPS: 36.686539, -104.868309. Phenology: flowering.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: crest of small hill 0.3 air mi S of the Vermejo River and 1.2 air mi E of I-25; 3.6 air mi S of Maxwell.
Rocky knoll on prairie, with Artemisia bigelovii, Eriogonum jamesii var. jamesii, and Bouteloua curtipendula. Flowers yellow; uncommon. Specimen GPS: 36.485558, -104.555466. Phenology: flowering.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: on south side of Vermejo River 2.2 air mi due W of I-25 and 3.5 air mi SW of Maxwell.
Moist, silty river bottoms with Tamarix chinensis, Helianthus annuus, Kochia scoparia, and Mirabilis nyctaginea. Flowers yellow; uncommon in dry sandy soil. Specimen GPS: 36.510353, -104.600616. Phenology: flowering.

U.S.A., Montana, Phillips County: Along Harb Road at an unnamed coulee, ca 23 air mi SSW of Saco; ca 25 air mi ESE of Malta.
In and along an old road in sandy clay. Phenology: flowering.

U.S.A., Montana, Phillips County: Along Pickhandle Coulee, ca 24 air mi SSE of Saco; ca 26 air mi ESE of Malta.
Stony-gravelly slopes and knolls. Phenology: flowering.

U.S.A., Montana, Phillips County: Ca 2-2.5 air mi E of Frenchman Creek and ca 0.5 mi S of Saskatchewan, ca 53 air mi NNE of Malta.
Stony grassland and slopes. Phenology: flowering & fruiting.

U.S.A., Montana, Phillips County: Along North Forks Road, ca 11 air mi NE of Whitewater; ca 36 air mi NNE of Malta.
Gravelly roadside. Phenology: flowering & fruiting.

U.S.A., Montana, Phillips County: Along North Whitewater Road ca 5 air mi N of Whitewater; ca 35.5 air mi NNE of Malta.
Clay flats at base of stony slopes. Phenology: flowering & fruiting.

U.S.A., Montana, Phillips County: McChesney Reservoir on the east side of Frenchman Creek and on the north side of Milk River Road, ca 7 air mi NE of Saco.
Stony, gravelly flats and slopes. Phenology: flowering & fruiting.

U.S.A., Montana, Valley County: Along Plum Creek at Willow Creek Road, ca 7.5 air mi N of Fort Peck Lake, ca 40 air mi SW of Glasgow.
Sagebrush-grassland. Phenology: flowering & fruiting.

U.S.A., Montana, Phillips County: Pearce Waterfowl Production Area: north of Old U.S. Hwy 2, ca 13 air mi ENE of Malta.
Uplands near the marsh. Phenology: flowering & fruiting.

U.S.A., Montana, Phillips County: W of Midale Road, ca 1 air mi SSW of Holzhey Reservoir, ca 29 air mi SSE of Malta.
Grasslands on rolling hills of clay soil. Phenology: flowering & fruiting.
Joseph L. M. Charboneau, 1894. 7/18/2010.

U.S.A., Montana, Blaine County: W of Mont Hwy 241, ca 2 air mi SSW of the Turner Port of Entry, ca 10.5 air mi NW of Turner; ca 33 air mi NNE of Harlem.
Grasslands on glaciated hills of clay soil with dry potholes. Phenology: flowering.
Joseph L. M. Charboneau, 1996. 7/22/2010.

U.S.A., Montana, Phillips County: Vicinity of 3 Way No. 2 Reservoir, ca 1.5 air mi SSW of Tondra Reservoir, ca 12 air mi NNW of Whitewater; ca 34 air mi NNE of Malta.
Grasslands with sagebrush on low, rolling clay hills. Phenology: flowering.
Joseph L. M. Charboneau, 2078. 7/22/2010.

U.S.A., Montana, Valley County: Spring Creek, ca 1 air mi SSW of Beaten Spring, ca 17 air mi NNE of Glasgow.
Sagebrush-grasslands on stony clay soil. Phenology: flowering.

U.S.A., Montana, Phillips County: N of Milk River Road, ca 5 air mi WNW of Busche Spring, ca 24 air mi NNE of Malta.
Sagebrush-grasslands on clay soil. Phenology: flowering.

U.S.A., Montana, Valley County: Unnamed reservoir W of McEachern Road, ca 7 air mi WNW of Lighthouse Hill, ca 26.5 air mi WNW of Opheim.
Sagebrush-grasslands on clay soil. Phenology: flowering.

U.S.A., Montana, Valley County: Lake Grabel (dry), S of Hinsdale Road, ca 8 air mi WSW of Lighthouse Hill, ca 32 air mi NNE of Hinsdale; ca 48.5 air mi NNW of Glasgow.
Sagebrush-grasslands on clay soil. Phenology: fruiting.

U.S.A., Montana, Phillips County: Reservoir No. 161, S of U.S. Hwy 191 and W of Rudolph Valley Road, ca 2.5 air mi W of Partnership Reservoir, ca 17 air mi SW of Malta.
Grasslands with fringed sage on clay soil. Phenology: flowering.

U.S.A., North Dakota, Benson County: Leeds.

U.S.A., North Dakota, Pembina County: Walhalla.

U.S.A., North Dakota, Bottineau County: Bottineau.
Dry prairie. Phenology: flowering & fruiting.

U.S.A., North Dakota: Jamestown.
Dry prairies. Phenology: flowering.

U.S.A., North Dakota: Marza.
High prairie. Phenology: flowering.

U.S.A., North Dakota, Ransom County:
On gravelly loam. Phenology: flowering.

U.S.A., North Dakota, Ward County: Minot.
Morainic hills. Phenology: flowering.

U.S.A., North Dakota, Benson County: Leeds.
Prairies. Phenology: flowering & fruiting.

U.S.A., South Dakota: [illegible]

Xanthisma spinulosum var. spinulosum ()
U.S.A., South Dakota:
In dry places. Phenology: flowering & fruiting.
S. A. Skinner, 91. //.

U.S.A., South Dakota, Day County: Bristol.

U.S.A., South Dakota, Minnehaha County: Highway 16, 22 mi W of Sioux Falls.
Rolling slope; hard clay loam soil; with little bluestem, Stipa, junegrass; upland. Scattered. Phenology: vegetative only.

U.S.A., South Dakota, Kingsbury County: Iroquois.
Prairies. Phenology: flowering.

U.S.A., South Dakota, Kingsbury County: Iroquois.

U.S.A., Nebraska, Sheridan County: Metcalf Public Hunting Grounds, 13 mi N of Hay Springs.
Open ridges and Pinus ponderosa forest; south-facing slopes. Phenology: flowering & fruiting.

U.S.A., Nebraska: Scottsbluff.

U.S.A., Nebraska, Dawes County: Chadron.

U.S.A., Montana: Chinook.

U.S.A., Montana, Glacier County: 10 mi SE of Browning.
High plains. Phenology: flowering & fruiting.
with L. H. Shinners

U.S.A., Montana, Custer County: US Range Livestock Experiment Station: Lignite Creek.
T6N R46E S2

U.S.A., Montana, Custer County: US Range Livestock Experiment Station: Pasture L near L-K gate.
Gentle north slope; gravelly soil on hill. Phenology: fruiting.

U.S.A., Montana, Richland County: Fort Union Basin.
Roadsides and pastured range. Very common. Phenology: flowering.
Klaus H. Lackschewitz, 9229. 8/30/1979.

U.S.A., Colorado, Costilla County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Sangre de Cristo Range: at Mountain Home Reservoir, ca 3 mi SE of Ft. Garland.
Lakeside and Pinyon-Juniper. Phenology: flowering.
with Elizabeth Mark

U.S.A., Montana, Phillips County: American Prairie Reserve: south bank of Beaver Creek ca 3.5 air mi NNE of Holzhey Reservoir, ca 23 air mi ENE of Zortman; ca 30 air mi SSW of Malta.
Hillsides and grasslands with scattered sagebrush on sandy soil. Phenology: flowering.

U.S.A., Montana, Phillips County: Hewitt Lake National Wildlife Refuge: W of Hewitt Lake, ca 4 air mi S of the Milk River, ca 8 air mi ESE of Fanny Hill, ca 17 air mi NE of Malta.
Grasslands with silver sagebrush on loamy soil. Phenology: flowering.

U.S.A., Montana, Phillips County: PR-22 Reservoir, N of Whitewater Creek, ca 4.5 air mi SW of 3 Way No. 2 Reservoir, ca 10 air mi NW of Whitewater; ca 37.5 air mi NNE of Malta.
Grasslands with fringed sage and scattered winterfat on loamy soil. Phenology: flowering.

U.S.A., Colorado, Montrose County: Uncompahgre Plateau: 7N Mesa, off of Forest Road 525 near The Saddle, ca 16 air mi SW of Delta.
Sparse pinyon/juniper/rock mix. Phenology: flowering.

U.S.A., Colorado, Montrose County: Uncompahgre Plateau: Roubideau Creek, above junction with Potter Canyon to 2 trail mi upstream, ca 11 1/4 air mi SW of Delta.
Sparse pinyon/juniper/rock mix. Phenology: flowering.
1. Xanthisma spinulosum (Pursh) D. R. Morgan & R. L. Hartm. var. spinulosum .

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

U.S.A., Colorado, Mesa County: Uncompahgre Plateau: Horse Mesa, Tabeguache Trail or SS Road, ca 23 air mi NNW of Delta.
Pinyon/juniper that had been treated (maybe mechanically). Phenology: flowering.
with Gay Austin

U.S.A., Colorado, Delta County: Uncompahgre Plateau: Little Dominguez Canyon from Poison Canyon to the bend on the east side of Star Mesa, ca 16.5 air mi WNW of Delta.
Sparse pinyon/juniper in sandstone canyon. Delta and Mesa County Phenology: flowering.

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

U.S.A., Wyoming, Goshen County: Ca 4 mi NE of Lingle.
42° 10.3' N, 104° 16.9' W; unknown, , Specimen Label
Sandy grassland, with Yucca and Senecio. Flowers yellow. Phenology: flowering.

U.S.A., Wyoming, Goshen County: Table Mountian Wildlife Area ca 4 mi S of Huntley.
Grassland, with Aristida and Opuntia. Rays Yellow. Phenology: flowering & fruiting.

U.S.A., Colorado, Montrose County: Uncompahgre Basin: Gunnison Gorge National Conservation Area: ridge along Bobcat Road, ca 6 air mi ENE of Olathe.
Desert grassland with scattered pinyon/juniper on shale hillsides with sandstone outcrops. Phenology: flowering.

U.S.A., Colorado, Montrose County: Uncompahgre Plateau: Spring Creek Canyon from BLM boundary to West Fork Spring Creek, ca 14 air mi SW of Montrose.
Pinyon/juniper woodlands with scattered patches of sagebrush meadows. Phenology: flowering.

U.S.A., Colorado, Montrose County: Uncompahgre Plateau: small canyon between Spring Creek and Dave Wood Road, ca 2/3 road mi SW of Dave Wood Road on BLM road, ca 9.5 air mi SW of Montrose.
Pinyon/juniper woodland. Phenology: flowering.

U.S.A., Wyoming, Platte County: Ca 8 mi WSW of Wheatland.
42° 1.5' N, 105° 6.2' W; unknown, , GPS reading
Grassland, with Buchloe and Bouteloua. Flowers yellow. Phenology: flowering.

U.S.A., Wyoming, Crook County: Ca 1.5 mi NE of Hulett.
Rocky clay bank, with Pinus ponderosa and Bouteloua curtipendula. Flowers yellow. Phenology: flowering.

U.S.A., Wyoming, Platte County: Camp Guernsey: ca 0.3 km E of North Platte River and ca 0.45 km S of Hartville Canyon.
Elev. 1470 m.
zone DMC, 520750E, 4681200N; unknown, GPS reading
Moderate slopes; stabilized sand dune; sand; with Yucca glauca, Artemisia filifolia, Andropogon hallii, Calamovilfa longifolia. Infrequent; ascending, perennial herb; ca 3 dm tall; disk yellow; ray yellow. Phenology: flowering & fruiting.
1. Haplopappus spinulosus (Pursh) DC. var. spinulosus .
with Carlos A. Popolizio

U.S.A., Wyoming, Platte County: Camp Guernsey: Osburn Ranch parcel; south end of transect ca 4.2 km NNE of Guernsey Reservoir, ca 3.1 km NW of Range Control.
Elev. 1445 m.
Rolling; mixed grass prairie; silty loam; with Bouteloua gracilis, Carex filifolia, Hesperostipa comata, Plantago patagonica, Artemisia frigida, Aristida purpurea, Koeleria macrantha, Schizachyrium scoparium, Cryptantha cana, Gutierrezia sarothrae. Scattered; ascending to erect, perennial herb; 2 dm tall; disk yellow; ray yellow. Phenology: flowering.
Annotated by B. E. Nelson in 2018.
with P. Block

U.S.A., Wyoming, Campbell County: Black Thunder Strip Mining Area; North Prong of Thunder Creek and Little Creek.
Breaks, big sagebrush, blue grama, Western wheatgrass; range site: shallow clayey, shale, loamy; soil series: Shingle Series, Shale. Phenology: flowering & fruiting.
 .

U.S.A., Wyoming, Campbell County: N of Gillette.
T50N R71W; also T51N R72W
Sagebrush-grassland association on dry rocky hillside. Phenology: flowering & fruiting.
  .

U.S.A., Wyoming, Sheridan County: Expt Farm.
  .

U.S.A., Wyoming, Johnson County: Buffalo.
  .

U.S.A., Wyoming, Park County: Township 57 north; Range 101 west; Section 30 west.
Elev. 4150
Dry grassland plains; top of drainage ditch; sandy soil. Phenology: flowering & fruiting.
 .
Joan F. Guilfoyle, s.n.. 8/2/1976.

U.S.A., Wyoming, Sheridan County: Ca 3 mi N of Leiter.
T55N R78W S9
Dry plains, slopes. Phenology: flowering & fruiting.
Annotated by Walter Fertig in 1997.
Keith H. Dueholm, s.n.. 8/11/1978.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 13 air mi NNE of Reno Junction, ca 24 air mi SSE of Gillette along Belle Fourche River.
Occasional in sandy clay in up-land with Artemisia and Chrysothamnus. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 44 air mi N of Gillette, ca 5.5 air mi S of Montana along North Fork Olmstead Creek.
Occasional in sandy clay in a grassy bottomland with Heterotheca. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 41 air mi SSW of Gillette, ca 5 air mi E of Middle Pumpkins Buttes on Wyo Hwy 50, South Branch Four Mile Creek.
Occasional in clay in upland with Artemisia and Boutenloua. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 18.5 air mi SSE of Reno Junction, ca 52 air mi SSE of Gillette.
Common in sandy clay in upland grassland with Artemisia frigida and Gutierrezia. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Ca 4 air mi NW of Spotted Horse, ca 37.5 air mi NW of Gillette Breaks above Spotted Horse Creek.
Occasional in sandy soil on ridge tops under Pinus ponderosa with Artemisia frigida and Machaeranthera. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County:
T38N R74W S12; also S13
Sagebrush plains, sandy ditch along road; plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Ross Road, ca. 22 miles N of junction of Wyoming highway 93.
Sandy roadside.

U.S.A., Wyoming, Goshen County: Southern Powder River/Southeastern Plains: Southeastern Plains: "Five Buttes", near Jay Em; ca 27.5 air mi N of Lingle, just E of U.S. Hwy 85.
Shortgrass plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: Springer Reservoir (Goshen Hole Reservoir), ca 1.5 air mi S of Yoder, ca 13.5 air mi SSW of Torrington.
Frequent in sandy clay in up-land with Artemisia filifolia and Senecio. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: Hawk Springs Reservoir, ca. 6.5 air miles SE of Hawk Springs, ca. 25 air miles S of Torrington.
Frequent in sandy clay in upland with Grindelia and Heterotheca. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: ca. 5.5 air miles WSW of Jay Em, ca. 30.5 air miles NW of Torrington, at Muskrat creek, just S of Ft. Laramie Road.
Frequent in sandy soil in upland with Erigonum. Phenology: flowering & fruiting.

U.S.A., Wyoming: Cambria Canon

U.S.A., Wyoming, Campbell County: Horse Creek Ranch, ca 9 air mi NW of Weston.
Eroded uplands; ponderosa pine ridges; ravines; sagebrush plains; open, clay slopes; loose talus. Phenology: flowering & fruiting.
with Mary Alice Sanguinetti

U.S.A., Wyoming, Campbell County: Ca 4.5 air mi W of Pine Tree.
Dry plains, sandy roadcuts, depressions; roadside.
with Mary Alice Sanguinetti

U.S.A., Wyoming, Campbell County: Ca 3 air mi W of Hilight.
Sandy roadside buttes, loose talus slopes, outcrops, plains; right of way.
with Mary Alice Sanguinetti

U.S.A., Wyoming, Campbell County: Ca 8 air miles NW of Pine Tree.
Dissected plains, eroded slopes of draw; plains.

U.S.A., Wyoming, Campbell County: Along Nut Creek.
Plains and flats. Eroded slopes, sandy roadcuts. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Ca 3 air mi SE of Wyodak.
Rolling plains, sandy roadcut. Phenology: flowering & fruiting.

Scoria topped butte, loose talus slopes, plains; lower slope. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Ca 21 air km SSE of Gillette; ca 5 air km E of [Wyo Hwy] Route 59.
Common in sandy loam disced in June 1976, with Salsola and Amaranthus. Phenology: flowering & fruiting.

U.S.A., Wyoming: Northwestern Wyoming
Elam Bartholomew, 6218. 7//1924.

U.S.A., Colorado, Fremont County: East-central Colorado: Mosquito Range to Plains: Arkansas River Drainage: along canyons and ridges off Temple Canyon or County Road 3 ca 5 air mi SW of Canon City.
Sandy, disturbed flats along the road in pinyon-juniper. Phenology: flowering & fruiting.