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RM RM Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 6839 Timothy W. Chumley Irene Thien 1997 6 28 179 U.S.A. Colorado Fremont East-central Colorado: Mosquito Range to Plains: Arkansas River Drainage: Twin Mountain: on south slopes and stream gulches just off U. S. Hwy 50, ca 6 air mi NW of Ca¤on City. -105.2923 38.49739 1926 2000 On rocky, open slopes in pinyon-juniper. Phenology: flowering. RM RM Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 6882 Timothy W. Chumley Irene Thien 1997 6 28 179 U.S.A. Colorado Fremont [location and coordinates withheld] 1932 1945 On rocky sandstone slopes in pinyon-juniper. Phenology: fruiting. RM RM Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 4515 James F. Fowler Carolyn Sieg 2005 6 27 178 U.S.A. Arizona Coconino Kaibab National Forest: Coconino Wash uplands, ca 8 mi E of Tusayan. -111.9635 35.9434 2225 Ponderosa pine forest. Phenology: flowering. RM RM 794693 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 58943 B. E. Nelson 2003 7 10 191 U.S.A. Colorado Archuleta Eastern San Juan Mountains: Valle Seco and ridge S of the head of Frio Canyon, ca 9.5 air mi S of Pagosa Springs. -106.9943 37.1256 2121 2252 Clay knoll with scattered ponderosa pine, Douglas fir, juniper, and little ground cover. Phenology: flowering. RM RM 794692 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 77457 Ronald L. Hartman Jeanette Flaig 2003 6 20 171 U.S.A. Colorado Archuleta Eastern San Juan Mountains: San Juan National Forest: Forest Road 649, ca 3.2 air mi WSW of County Road 500. -106.838767 37.079317 2439 2500 Ponderosa pine forest with oak and Rocky Mountain juniper and roadside; ponderosa pine forest. Phenology: flowering. RM RM 794691 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 77526 Ronald L. Hartman Jeanette Flaig 2003 6 22 173 U.S.A. Colorado Archuleta Eastern San Juan Mountains: San Juan National Forest: Colo Hwy 151, 6 air mi NW of Forest Road 613. -107.343817 37.172583 1960 2103 Sandy at bottom then shale and sandstone outcrops with ponderosa pine forest and scattered Gambel oak and Fendlera understory above; sandy areas and outcrop. Phenology: flowering. RM RM Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 3500 Jeanette Flaig Kurt Flaig 2004 5 29 150 U.S.A. Colorado Saguache Eastern San Juan Mountains: North Tracy Canyon, vicinity of Devils Knob, 3 air mi SW of Saguache. -106.1983 38.0553 2542 Southeast-facing slope to rocky summit and along ridge to knob. Phenology: flowering. RM USFS 491088 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 2P Charles K. Cooperrider 1920 8 26 239 U.S.A. Arizona Apache Apache National Forest: Little Colorado drainage, under rim. -109.46429 34.06089 3 2591 North slope; gravelly loam; scattered to common; with bunchgrasses and lupine. Phenology: flowering. RM USFS 491086 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 265 Earl V. Storm 1927 7 8 189 U.S.A. Arizona Coconino Kaibab National Forest: W of Jacob. [Jacob Lake] -112.2163 36.71388 1 2408 1% west slope; shallow gravel; not abundant in timber with Poa, Sitanion and locust. Phenology: flowering. RM RM 940422 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 1514 Jill E. Larson 2005 6 22 173 U.S.A. New Mexico Taos Carson National Forest and Vicinity: Cerro de la Olla, southeast aspect, ca 10 air mi NE of Questa. -105.7519 36.7408 2362 2881 Pinyon/juniper and ponderosa pine/Gambel oak forests. Phenology: flowering. RM RM 940421 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 2338 Jill E. Larson 2005 7 12 193 U.S.A. New Mexico Colfax Carson National Forest and Vicinity: Sangre de Cristo Range: southern boundary of Valle Vidal Unit via NM Hwy 204, ridgeline above Middle Ponil Creek in Ponil burn area, ca 11 air mi NE of Eagle Nest. -105.1068 36.665 2332 2621 Canyon wall, ridgeline and burned ponderosa pine forest. Phenology: flowering. RM RM 940423 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 647 Jill E. Larson 2005 6 3 154 U.S.A. New Mexico Rio Arriba Carson National Forest and Vicinity: Jicarilla Ranger District: Forest Road 309E and 309F in Cabresto Canyon. -107.2911 36.8817 2012 2073 Canyon bottom and sandstone slopes with pinyon/juniper. Phenology: flowering. RM Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 1245 Margarette J. Lyon 1993 5 26 146 U.S.A. Colorado Montrose San Miguel and lower Dolores River Drainages: San Miguel River Drainage: Long Park, Horsethief Spring, ca 5 air mi NE of Uravan. -108.7128 38.2994 1905 Exposed Dakota sandstone with pinyon and juniper. Phenology: flowering. RM Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 3135 Margarette J. Lyon 1994 5 16 136 U.S.A. Colorado Mesa San Miguel and Lower Dolores River Drainages: ca 5 air mi NE of Gateway. -108.95 38.7331 1676 Dry wash and adjacent hillsides: on barren, granitic gravel on east side and red, sandy soils on west side; with pinyon and juniper. Phenology: flowering. RM Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 3460 Margarette J. Lyon 1994 5 26 146 U.S.A. Utah Grand San Miguel and Lower Dolores River Drainages: slopes above Buckhorn draw. -109.158 38.8483 1493 Granitic slopes with juniper and Purshia. Phenology: flowering. RM Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 4213 Margarette J. Lyon 1994 6 8 159 U.S.A. Colorado Montrose San Miguel and Lower Dolores River Drainages: San Miguel River Drainage: draw above Clay Creek just inside forest boundary. -108.2325 38.1678 2164 With pinyon, juniper Cercocarpus, and Peraphyllum. Phenology: buds. RM Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 6652 Margarette J. Lyon Laura Cosse 1994 8 3 215 U.S.A. Colorado Mesa [location and coordinates withheld] 1445 1585 Dry creek bed and canyon bottom with pinyon, juniper, and single leaf ash. Phenology: flowering & fruiting. RM USFS 491094 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 2253a Kittie F. Parker 1936 5 10 131 U.S.A. New Mexico Dona Ana Jornada Experimental Range: San Andres Mountains: Ash Canyon. -106.53589 32.6291 1 1493 1722 Phenology: flowering. RM Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 1756 Lynn Marie Moore 1994 5 23 143 U.S.A. Colorado Montezuma Upper Dolores River Drainage and Adjacent Areas: ca 17.5 air mi S of Dove Creek, side road ca 0.25 road mi W of County Road Y, on ridge between Hovenweep Canyon and Negro Canyon. -108.9123 37.5084 2000 Pinyon-juniper zone with Artemisia, antelope brush, and Cercocarpus. Phenology: flowering. RM RM 805745 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 3476 Brian Reif 2002 8 8 220 U.S.A. New Mexico Santa Fe 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. -105.8733 35.937967 2134 Riparian of river, and meadows, in canyon bottom with mixed conifer slopes. Canyon tightening upstream with encroachment of granitic cliffs. Phenology: flowering. RM USFS 491095 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 212 Rudolph L. Hensel 1919 5 7 127 U.S.A. Arizona Pima Santa Rita Range Reserve: pasture 2, near Proctor gate. -110.87897 31.84384 9 1219 West slope; gravelly sand; common with Gilia, ragweed and lupine. Phenology: flowering. RM RM 805744 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 4887 Brian Reif 2003 6 4 155 U.S.A. New Mexico Sandoval Santa Fe National Forest and Vicinity: Jemez Mountains: Arroyo Montasa canyon, 1 air mi up canyon from junction with the Rio Grande River and across river from Bandelier National Monument. W 0.3 air mi to N35.716 W106.256 at pour off. -106.251 35.716 1737 1835 Riparian bottom; steep, metamorphoic canyon walls with juniper . Phenology: flowering. RM RM 805743 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 5851 Brian Reif 2003 6 23 174 U.S.A. New Mexico Santa Fe Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Pecos Wilderness: Rio Medio Trail 155 adjacent to Rio Medio in vicinity of Borrego Mesa Campground off Forest Road 436, 6 air mi due W of Truchas Peak. -105.764 35.967 2603 North canyon slope, departing the river, through a ponderosa pine burn with mostly dead, standing timber above; ca 1 m tall Gambels oak below. Phenology: flowering. RM RM 805742 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 5878 Brian Reif 2003 6 23 174 U.S.A. New Mexico Santa Fe 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. -105.912 35.959 1993 Pinyon/juniper slopes and dry wash. Phenology: flowering & fruiting. RM RM 805005 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 9626 Brian Reif 2004 5 30 151 U.S.A. New Mexico San Miguel Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: from North San Ysidro NNE to lower Apache Canyon. N35.478 W105.547 at forest boundry N 0.5 air mi parallel trail to N35.485 W105.548. -105.547 35.478 2057 Dry wash with exposed bedrock in pinyon-juniper woodland. Phenology: flowering. RM RM 805004 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 9719 Brian Reif 2004 6 1 153 U.S.A. New Mexico Santa Fe 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. -106.08 35.743 1926 Dry wash of coarse granite and broad lowland with scattered juniper in juniper hills. Phenology: flowering. RM RM 805003 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 9792 Brian Reif 2004 6 1 153 U.S.A. New Mexico Santa Fe 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. -106.168 35.827 1707 Juniper hills on sedimentary soils east of river. Phenology: flowering. RM RM 805002 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 78999 Ronald L. Hartman 2004 6 8 160 U.S.A. New Mexico Los Alamos [location and coordinates withheld] 1707 2012 Rocky slopes. Phenology: flowering. RM USFS 491087 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson M-60 Walter G. Mann 1929 8 26 238 U.S.A. Arizona Coconino Kaibab National Forest: Little Mountain W of Big Springs. -112.3506 36.60269 1 2134 Flat, gravelly soil; scarce in timber. Phenology: flowering. RM USFS 491993 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 611 Warren V. Turner Arthur J. Riggs 1927 5 11 131 U.S.A. Arizona Pima Santa Rita Experimental Range: southeast corner of pasture #8. -110.83146 31.91226 1 1219 Gentle west slope; rocky loam; open mesa; scarce among rocks; with Mewquite, Calliandra and Acacia. Accession number duplicated in the database: specimen not verified. Phenology: flowering. RM Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 2046 Barnard A. Hendricks 1934 6 24 175 U.S.A. Arizona Gila Tonto National Forest; Sierra Ancha Mountains; Petersons Ranch. -110.921 33.814 1 2225 Phenology: fruiting. RM RM 390077 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 3884 M. A. (Ben) Franklin 1986 5 31 151 U.S.A. Colorado Montrose 7.4 mi due ENE of Paradox: Dolores River Canyon. 1600 Pinyon, juniper; clay soil. Phenology: flowering. RM RM 540940 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 5030 Betsy E. Neely 1988 5 25 146 U.S.A. Colorado Montrose East Paradox Creek: Paradox Valley: E of Dolores River, Davis Mesa Quadrangle. -108.8422 38.3286 1 1554 Alluvium, Cutler Formation, pinyon-juniper woodland. Phenology: flowering. RM RM 540890 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 5129 Betsy E. Neely 1986 6 16 167 U.S.A. Colorado Mesa Dolores River Canyon: 3.5 mi S of Gateway. Phenology: flowering. RM RM 198986 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 3658 C. L. Porter 1945 7 9 190 U.S.A. Colorado Moffat Lodore Canyon: W rim. 2286 In sandy soil among pinyons. Phenology: flowering. RM RM 162660 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 529 Carl F. Baker 1899 6 152 U.S.A. Colorado Archuleta Arboles. Phenology: flowering. RM RM 22562 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 529 Carl F. Baker 1899 6 6 157 U.S.A. Colorado Archuleta Arboles. Phenology: flowering. RM RM 127879 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 1215 Earl F. Castetter 1931 5 22 142 U.S.A. New Mexico Bernalillo Albuquerque to Santa Fe: highway. -106.63809 35.15849 6 1509 1530 Roadside. Bernalillo or Santa Fe county Phenology: flowering. RM USFS 490819 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 18 E. R. Ware 1932 6 19 171 U.S.A. Colorado Garfield White River National Forest: Glenwood Canyon. 1798 40 degree south slope, rocky clay bank; with Bromus tectorum, Salsola and Erigonum. Phenology: flowering. RM RM 101934 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 819 Earl Lynd Johnston George G. Hedgecock 1917 6 14 165 U.S.A. Colorado Las Animas Trinidad: ravine W of town Phenology: fruiting. RM RM 80866 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 454 Edwin B. Payson 1914 6 17 168 U.S.A. Colorado Montrose Naturita. 1646 Dry hillside. Phenology: flowering. RM RM 363483 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 13587 Elizabeth Neese R. Abbott 1983 6 16 167 U.S.A. Colorado Mesa Ca 11 air miles SW of Mack, ca 0.2 mi SW of mouth of McDonald Creek; directly above Colorado River. -109.0225 39.1438 1 1402 Sandy pockets in rim rock, Kayenta and Wingate formations, juniper-ephedra community. Phenology: flowering. RM RM 162663 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 7445 Ellsworth Bethel 1917 6 15 166 U.S.A. Colorado Las Animas Trinidad. Phenology: flowering. RM RM 162663 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 7445b Ellsworth Bethel 1917 9 4 247 U.S.A. Colorado Archuleta Pagosa Springs. Phenology: fruiting. RM USFS 491084 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 171 Frederic G. Renner 1923 6 29 180 U.S.A. New Mexico Rio Arriba Santa Fe National Forest: Beaver Creek. -106.28509 36.9373 5 2591 20 degree south slope, sandy loam. Phenology: flowering. RM RM 491084 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 171 Frederic G. Renner 1923 6 29 180 U.S.A. New Mexico Rio Arriba Santa Fe National Forest: Beaver Creek. -106.28509 36.9373 5 2591 20 degree south slope, sandy loam. Phenology: flowering. RM RM 162661 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 3406 George E. Osterhout 1906 8 18 230 U.S.A. Colorado Garfield Glenwood Springs. Phenology: fruiting. RM RM 162662 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 644 George E. Osterhout 1895 6 27 178 U.S.A. Colorado Fremont Canon City. -105.23655 38.44669 2 1615 Phenology: flowering & fruiting. RM RM 12313 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson s.n. George E. Osterhout 1898 6 27 178 U.S.A. Colorado Huerfano Walsenburg. Phenology: flowering. RM USFS 491087 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 45 Hugh O. Cassidy 1921 8 31 243 U.S.A. New Mexico Colfax Carson National Forest: near Madrid Ranch. 2439 South slope, gravelly clay. Phenology: fruiting. RM RM 491087 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 45 Hugh O. Cassidy 1921 8 31 243 U.S.A. New Mexico Colfax Carson National Forest: near Madrid Ranch. 2439 South slope, gravelly clay. Phenology: fruiting. RM RM 238558 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson s.n. Harry Hapeman 1920 7 4 186 U.S.A. Colorado Fremont Royal Gorge. Phenology: flowering. RM RM 98862 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 1305 Hazel M. Schmoll 1924 7 28 210 U.S.A. Colorado Archuleta Piedra: near base of South Chimney Rock. Phenology: flowering. RM RM 87187 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 3836 Ira W. Clokey 1920 7 2 184 U.S.A. Colorado Fremont Canyon City. 2135 Dry hillsides. Phenology: flowering. RM USFS 491089 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 29 Jesse M. Mann 1919 8 25 237 U.S.A. Colorado Jefferson Pike National Forest: South Platte burn. Open grassland, south slope, rotten granite. Phenology: flowering. RM RM 580893 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 90-102 John L. Anderson 1990 6 5 156 U.S.A. Colorado Mesa Dolores River Canyon N of Gateway. -109.0061 38.7039 1 1432 In purple arkosic sand at base of ridge of Cutler formation. Phenology: flowering & fruiting. RM RM 182575 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 1859 Reed C. Rollins 1937 7 13 194 U.S.A. Colorado Las Animas Frijoli Hill, 10 miles SE of Trinidad. Phenology: fruiting. RM RM 399149 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 4691 Robert D. Dorn 1987 7 15 196 U.S.A. Colorado Garfield -108.5211 39.5627 1 2042 Shale-clay slope with Lesquerella and Mentzelia. Phenology: flowering. RM RM 764815 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 9815 Robert D. Dorn 2004 6 11 163 U.S.A. Colorado Fremont Texas Creek Gulch: N of Texas Creek. 2012 Rocky wash with Melampodium and Thelesperma. Phenology: flowering & fruiting. RM USFS 491090 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 38 Robert F. Copple 1920 6 20 172 U.S.A. Colorado San Miguel Montezuma National Forest: Beaver Creek Canyon. 2286 Phenology: flowering. RM RM 296457 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 1875 Ronald L. Hartman 1968 6 10 162 U.S.A. New Mexico Colfax Philmont Scout Ranch, near Cimarron: 3 mi W of Rayado. -104.98779 36.3736 2103 Hillside. Phenology: flowering. RM RM 78924 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 39 W. H. Haas 1913 7 182 U.S.A. Colorado Montezuma Mesa Verde National Park. Jul-Aug 1913 Phenology: flowering. RM RM 345030 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 82-76 W. Kelley S. Sigstedt 1982 7 8 189 U.S.A. Colorado Garfield Cow Creek; 1.5 mi SE of junction of Cow Creek and West Branch Cow Creek. 2316 On slope with Quercus and Pseudotsuga. Phenology: flowering. RM USFS 491085 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 173 W. M. Stevenson U.S.A. New Mexico no county Santa Fe National Forest: below Leonard Ranch. Sandy loam. Phenology: flowering. RM RM 105508 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 20052 W. W. Eggleston 1924 6 8 160 U.S.A. New Mexico Santa Fe Lamy. -105.88179 35.48169 3 1960 Phenology: flowering. RM RM 828384 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 43930 B. E. Nelson 1998 6 25 176 U.S.A. Colorado Las Animas Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Park Plateau: in Road Canyon at the Vallorso site and Bear Canyon Mine site, ca 5.5 air mi SW of Ludlow; ca 10.8 air mi NW of Trinidad. -104.6388 37.2874 2067 2189 Pinyon-juniper-oak woodland. Phenology: flowering. RM RM 828405 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 1290 Brian Elliott 1998 6 10 161 U.S.A. Colorado Pueblo Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Pueblo Reservoir State Park: ca 3.5 road mi W of the west entrance on Colo Hwy 96. -104.8929 38.2677 1585 Small grade; prairie and pinyon-juniper. Phenology: flowering. RM RM 828404 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 1717 Brian Elliott 1998 6 13 164 U.S.A. Colorado Fremont [location and coordinates withheld] 1554 Pinyon-juniper; riparian; very unusual soil. RM RM 828403 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 1848 Brian Elliott 1998 6 16 167 U.S.A. Colorado Las Animas [location and coordinates withheld] 2073 Pinyon-juniper. RM RM 828402 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 2753 Brian Elliott 1998 6 27 178 U.S.A. Colorado Las Animas [location and coordinates withheld] 1951 Top of hill to east; pinyon-juniper. Phenology: flowering. RM RM 824234 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 9692 Neil Snow 2005 5 10 130 U.S.A. New Mexico Quay Ute Lake State Park: vicinity of end of County Road AC. -103.496944 35.343055 1155 Rocky outcrops in steppe; sandy soil; above banks of reservoir. Phenology: flowering. RM RM Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 85033 Ronald L. Hartman Bernadette Kuhn, Laura E. Lukas 2007 5 28 148 U.S.A. Colorado Otero Comanche National Grassland: Vogal Canyon, from trail head to south end at fence line. -103.5131 37.7702 1307 1338 Pinyon-juniper canyonland, sandstone; with willow and cottonwood thickets near fence. Phenology: flowering. RM RM Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 85122 Ronald L. Hartman Bernadette Kuhn, Laura E. Lukas 2007 5 28 148 U.S.A. Colorado Las Animas Comanche National Grassland: Purgatoire Canyon, northeast end. -103.5584 37.6412 1326 1405 Rimrock and slope below to flats along river. Phenology: flowering. RM RM Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 5514 Bernadette Kuhn Cali Hemenway 2008 6 23 175 U.S.A. Colorado Otero Comanche National Grassland: Picketwire (Purgatoire) Canyon, ca 27 air mi SSW of La Junta. -103.6271 37.6002 1367 Dakota sandstone rock outcrops, sandy soil along trail with scattered Atriplex and Juniperus monosperma. Phenology: flowering & fruiting. RM RM Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 6571 Bernadette Kuhn 2008 7 14 196 U.S.A. Colorado Baca Comanche National Grassland: Whitby Canyon N of Big Hole Spring, ca 21 air mi SSW of Pritchett. -102.9827 37.0853 1441 Dakota sandstone canyon dominated by Juniperus monosperma, Quercus sp. and Rhus aromatica. Phenology: flowering. RM RM Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 6914 Bernadette Kuhn 2008 7 17 199 U.S.A. Colorado Las Animas [location and coordinates withheld] 1637 Shale hills, uplands dominated by Pinyon and juniper. Creek bed with large patches of Rumex. Phenology: fruiting. RM RM Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 7010 Bernadette Kuhn Darla Jackson, Lonnie Jackson 2008 7 18 200 U.S.A. Colorado Las Animas [location and coordinates withheld] 1560 At spring. Phenology: fruiting. RM RM Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 7138 Bernadette Kuhn 2008 7 23 205 U.S.A. Colorado Baca Comanche National Grassland: E of East Carrizo Creek, ca 11 air mi S of Utleyville; ca 20 air mi SW of Pritchett. -103.0135 37.1089 1454 Dakota sandstone canyon dominated by Rhus aromatica, Pinus edulis, and Juniperus monosperma. Phenology: flowering. RM RM Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 7294 Bernadette Kuhn Everett Jackson 2008 7 24 206 U.S.A. Colorado Las Animas [location and coordinates withheld] 1571 Hillside with Amorpha and Rhus aromatica. Phenology: flowering. RM RM 840406 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 4186 Ben Legler 2007 6 11 162 U.S.A. New Mexico Colfax Vermejo Park Ranch: on north side of NM Hwy 555 4.2 road mi W of where Hwy 555 joins U.S. Hwy 64; 4.8 air mi SW of Raton. -104.5122222 36.8625 2023 Dry open Pinus edulis woodland with Quercus ×undulata and scattered Juniperus monosperma, on gentle rolling terrain at base of steep sandstone bluffs. Petals creamy-green; corona maroon; uncommon on edge of pine woodland. Photographed. Phenology: flowering. RM RM 840405 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 4576 Ben Legler 2007 6 18 169 U.S.A. New Mexico Colfax Vermejo Park Ranch: rocky point between intersection of Gachupin Canyon and Vermejo River, 9 air mi SE of Casa Grande. -104.8659167 36.78391667 9 2119 Open Pinus edulis woodland, dry rocky soil over sandstone, sparse ground cover. Petals green with faint maroon tinge; corona maroon; stems in clumps; rare at base of Quercus. Phenology: flowering. RM RM 840404 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 5046 Ben Legler 2007 6 26 177 U.S.A. Colorado Las Animas Vermejo Park Ranch: slope on west side of Lorencito Canyon 0.47 mi N of mouth of Cottonwood Canyon. -104.8394444 37.01277778 2303 Rocky southeast-facing slope dominated by a mix of Pinus edulis, Pinus ponderosa, Juniperus scopulorum, and shrubby Quercus ×undulata. Petals greenish; corona maroon; rare on edge of forest. Phenology: flowering. RM RM 840403 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 9005 Ben Legler 2008 6 23 175 U.S.A. New Mexico Colfax Vermejo Park Ranch: around Van Bremmer Creek at mouth of Van Bremmer Canyon, 1.8 air mi NW of NM Hwy 64. -104.80249 36.589676 1939 Flat, dry shortgrass prairie with Cylindropuntia imbricata, Cirsium undulatum, and Psoralidium tenuifolium. Petals pale green, cupped around flower, not reflexed; corona dull red, strongly curved with a rounded tip; stems spreading-ascending from a branched crown; uncommon on edge of prairie. Specimen GPS: 36.593391, -104.798668. Phenology: flowering. RM RM 840401 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 10434 Ben Legler 2008 8 9 222 U.S.A. New Mexico Colfax 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. -104.555244 36.485435 1815 Rocky knoll on prairie, with Artemisia bigelovii, Eriogonum jamesii var. jamesii, and Bouteloua curtipendula. Stems mostly solitary; uncommon. Photographed. Specimen GPS: 36.485481, -104.555191. Phenology: fruiting. RM RM 828407 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 708 Brian Elliott Kenneth Elliott 1998 6 3 154 U.S.A. Colorado Pueblo Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: on Colo Hwy 96, E of Wetmore, just over the county line. -105.0357 38.2394 1689 Prairie after steep grade. Phenology: flowering. RM RM 828406 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 806 Brian Elliott Kenneth Elliott 1998 6 3 154 U.S.A. Colorado Pueblo Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Rock Creek Hill, on Colo Hwy 78, SW of Pueblo. -104.8161 38.1372 1676 Pinyon-juniper; prairie. RM RM 829543 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 970 Brian Elliott Kenneth Elliott 1998 6 4 155 U.S.A. Colorado Huerfano Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: at Exit 42 on I-25. -104.6923 37.5219 1951 Grassland. Phenology: flowering. RM RM 828381 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 1353 Charity Hall Brian Jacobs and Alex Morgan 1998 6 25 176 U.S.A. Colorado Fremont Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: ca 2.5 road mi on County Road 1 from County Road 28. -105.4202 38.3564 2240 2286 Dry, sandy soil; dominant species: pinyon and Chrysothamnus. Phenology: flowering. RM RM 828383 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 157 Charity Hall Brian Jacobs and Alex Morgan 1998 6 9 160 U.S.A. Colorado Custer Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountains: San Isabel National Forest: ca 2.3 road mi on Forest Road 388 off of Greenwood Road. -105.0723 38.1956 1951 1966 Dominant species: oak, mountain mahogany, some ponderosa; sandy soil. Phenology: flowering. RM RM 829540 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 58 Charity Hall Brian Jacobs and Alex Morgan 1998 6 5 156 U.S.A. Colorado Fremont Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountains: ca 3.9 road mi S on Oak Creek Grade Road from Canon City; from ca 0.5-2.5 trail mi past Tanner Trailhead, on and around the trail. -105.2432 38.3688 1920 2560 Dominant species: pinyon pine, mountain mahogany, and oak; ponderosa and blue spruce at higher elevations; mainly granite outcrops, soil sandy to gravelly in texture. RM RM 828382 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 718 Charity Hall Brian Jacobs and Alex Morgan 1998 6 15 166 U.S.A. Colorado Fremont Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: ca 1 road mi on Gulch Road from Colo Hwy 69. -105.5791 38.3423 2149 Granite and metamorphic chunks; dominant species: pinyon, oak, and juniper. RM RM 823836 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 4443 Michael Schiebout 2005 5 25 145 U.S.A. New Mexico Harding Jack and Tuta Cruwz's Ranch: 20 air mi NE of Mosquero. -103.717778 35.956667 1396 Sandstone rise into mesa to junipers. Phenology: flowering & fruiting. RM RM 823892 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 3716 Michael Schiebout 2005 5 19 139 U.S.A. New Mexico San Miguel Las Vegas National Wildlife Refuge: 5.7 air mi SSE of Las Vegas. -105.195278 35.516667 1944 Trail going into steppe/ shaded canyons and ravine. Phenology: flowering & fruiting. RM RM 828401 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 60641 Ronald L. Hartman Brian Elliott 1998 5 23 143 U.S.A. Colorado Fremont Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Temple Canyon Road, ca 3.5 air mi SW of Canon City (city center). -105.2617 38.4121 1768 1798 Rocky slopes and grasslands. RM RM 828400 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 60925 Ronald L. Hartman Melanie Arnett, Charity Hall, Brian Jacobs, and Alex Morgan 1998 6 2 153 U.S.A. Colorado Huerfano Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: southeast end of Wet Mountains, ca 13 air mi NW of Walsenburg. -104.9842 37.7551 2042 2256 Rocky ridges and grassy valley. Sheet 1 of 2. Phenology: flowering. RM RM 828399 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 61337 Ronald L. Hartman 1998 6 15 166 U.S.A. Colorado Pueblo Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Colo Hwy 78, ca 5.5 air mi SW of Pueblo (city center). -104.688 38.2248 1493 1524 Roadcut with calcareous substrate. RM RM 828398 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 61582 Ronald L. Hartman 1998 6 19 170 U.S.A. Colorado Pueblo Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: abandoned rest area on I-25 near Muddy and Greenhorn creeks. -104.7246 38.0497 1646 Grassland, weedy areas, and pinyon-oak-juniper. RM RM 830028 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 6414 Brian Elliott Elizabeth Mark 1999 6 3 154 U.S.A. Colorado Fremont Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: ca 0.5 mi SE of junction of U.S. Hwy 50 and 3 Road at Parkdale, W of Pueblo. -105.3746 38.4832 1768 Pinyon-juniper. Phenology: flowering. RM RM 830027 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 6469 Brian Elliott Elizabeth Mark 1999 6 3 154 U.S.A. Colorado Fremont Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: base of YMCA Mountain on Temple Canyon Road, ca 2 air mi SW of Canon City. -105.3004 38.4974 1920 Pinyon-juniper. Phenology: flowering. RM RM 830026 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 7166 Brian Elliott Elizabeth Mark and Kenneth Elliott 1999 6 15 166 U.S.A. Colorado Huerfano Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountains: ca 1.5 mi W of Badito Cone, ca 6 air mi E of Gardner. -105.0389 37.7696 2134 Pinyon-juniper. Phenology: flowering. RM RM 830025 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 7431 Brian Elliott Elizabeth Mark 1999 6 18 169 U.S.A. Colorado Las Animas Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Park Plateau: Bosque de Oso Wildlife Area, Torres Canyon, SW of Weston. -104.8917 37.0958 2256 Riparian with Quercus. Phenology: flowering. RM RM 829541 Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 60925 Ronald L. Hartman Melanie Arnett, Charity Hall, Brian Jacobs, and Alex Morgan 1998 6 2 153 U.S.A. Colorado Huerfano Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: southeast end of Wet Mountains, ca 13 air mi NW of Walsenburg. -104.9842 37.7551 2042 2256 Rocky ridges and grassy valley. Sheet 2 of 2. Phenology: flowering. RM Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 1123 C. H. Refsdal Kelly Altenhofen and Lorie Talbott 1994 6 23 174 U.S.A. Utah Daggett North Slope Uinta Mountains: Flaming Gorge National Recreation Area: ca 1 air mi W of Flaming Gorge Dam; Cart Creek drainage into Flaming Gorge. -109.4431 40.9088 1 1878 2012 Dry pinyon-juniper uplands with clay soils, sandstone bluffs, and steep slopes. Phenology: flowering & fruiting. RM RM Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 840 Lori E. Brummer 2010 7 2 183 U.S.A. Colorado Delta Gunnison Gorge Wilderness: Ute Trail to Gunnison River, ca 13 air mi ESE of Delta. -107.8639 38.6823 1603 1987 Gully in steep, rocky sandstone hillside. Phenology: flowering. RM Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 1354 Timothy W. Chumley Irene Thien 1995 7 1 182 U.S.A. Colorado Fremont East-central Colorado: Mosquito Range to Plains: Arkansas River Drainage: Texas Creek Gulch off Table Mountain or County Road 217A, ca 3 air mi NNW of town of Texas Creek. -105.5971 38.4403 1 2085 2417 In open meadow with sandy soils and large old slash piles. Phenology: flowering. RM Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 736 Timothy W. Chumley 1995 6 14 165 U.S.A. Colorado Fremont East-central Colorado: Mosquito Range to Plains: Arkansas River Drainage: Sixmile Park: from Indian Springs Campground N along a tributary of Sixmile Creek, following an old road; ca 6 air mi NW of Canon City. -105.1326 38.5131 1 1646 2051 Sandstone slopes and sandy washes. Phenology: flowering. RM Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 852 Timothy W. Chumley 1995 6 16 167 U.S.A. Colorado Fremont East-central Colorado: Mosquito Range to Plains: Arkansas River Drainage: Twin Mountain off U.S. Hwy 50, ca 5.6 air mi NW of Canon City; ca 2 road mi from turnoff to Royal Gorge. -105.3004 38.4974 1 1890 2073 Open wooded slopes on coarse sandy soils. Phenology: flowering. RM Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 977 Timothy W. Chumley 1995 6 19 170 U.S.A. Colorado Douglas East-central Colorado: Mosquito Range to Plains: Rampart Range: off Colo Hwy 67 along Horse Creek, ca 1/2 air mi SE of Deckers; ca 20.1 air mi NNW of Woodland Park. -105.213 39.2511 1 1963 2109 Coarse granitic gravel slopes above creek, in ponderosa pine. Phenology: flowering. RM Asclepias asperula var. asperula physical specimen Apocynaceae Asclepias asperula var. asperula (Decne.) Woodson 3511 Timothy W. Chumley 1996 6 1 153 U.S.A. Colorado Fremont East-central Colorado: Mosquito Range to Plains: Arkansas River Drainage: Phantom Canyon: in Phantom Canyon off Colo Hwy 67, ca 5.5 air mi NE of Canon City. -105.1142 38.5419 1966 2500 On rocky granitic-gravelly soils in pinyon-juniper and Gambel's oak. Phenology: flowering. 3600 3,1,0 true