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RM RM 619126 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 19174 Erwin F. Evert 1990 6 21 172 U.S.A. Wyoming Park Bighorn Basin: south side of YU Bench, ca 0.5 mi N of County Road 3LE and the Greybull River, ca 5 mi NE of Wyo Hwy 120. -108.7629 44.3062 1707 Sagebrush-grassland on rocky alluvial soil with Arenaria hookeri, Bouteloua gracilis, Sedum lanceolatum, Stipa comata and Oryzopsis hymenoides. Phenology: flowering. RM RM Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 8344 Erin Foley 2004 6 24 176 U.S.A. Colorado Grand Middle Park: just S of Horse Gulch off County Road 22, ca 2.5 air mi NE of Kremmling and ca 3.5 air mi SE of Wolford Mountain. -106.3454 40.0737 2341 2408 Roadside. Phenology: flowering & fruiting. RM USFS 476048 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 134 Arthur D. Read 1912 8 10 223 U.S.A. Arizona Coconino Tusayan National Forest. -112.28679 35.2982 3 1981 In open woodland. Phenology: flowering & fruiting. RM RM 15969 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 1815 Bettie Stephens 1907 7 19 200 U.S.A. Arizona Cochise Chiricahua Mountains: Stephen's Ranch. 1737 Dry alluvium soil. Phenology: fruiting. RM RM Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 4352 Grace M. Kostel Steve Popovich 2004 8 3 216 U.S.A. South Dakota Custer Buffalo Gap National Grassland and Vicinity: ca 15.5-16 air mi SSE of Hermosa, French Creek. -103.0618 43.6349 929 Along banks of creek. Soils are silty and mucky in creek bottom. Phenology: flowering. RM USFS 476047 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 132 Fred D. Douthitt 1912 8 13 226 U.S.A. Arizona Coconino Tusayan National Forest. -112.18659 35.27629 3 2134 In woodland. Phenology: flowering & fruiting. RM RM 99775 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 703 Herbert C. Hanson 1923 7 22 203 U.S.A. Arizona Coconino Flagstaff. -111.6512 35.19749 2 2103 Yellow pines, roadside. Phenology: fruiting. RM RM 765222 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 2429 Sarah Nunn 2001 7 11 192 U.S.A. Colorado Larimer Roosevelt National Forest: Front Range: Crosier Mountain off Glen Haven Road (County Road 43), ca 15 air mi W of Loveland. -105.4275 40.4516 1 2134 2439 North and east facing dry hillsides - granite substrate with ponderosa pine and Cercocarpus. Phenology: flowering. RM USFS 476049 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 119 Paul H. Roberts 1916 8 12 225 U.S.A. Arizona no county Sitgreaves: Miles Ranger Station. Common in flat sandy park. Phenology: fruiting. RM RM 257766 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 2504 Gerald B. Ownbey Yu-tseng Hsi 1957 8 16 228 U.S.A. South Dakota Fall River 14.3 mi N of Ardmore. -103.6305 43.2044 1 1036 In dry abandoned field. Rare, only one colony seen; stem 1-5 from the base; maximum height 24 inches. Phenology: flowering & fruiting. RM RM 117490 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 1065 Earl L. Johnston 1927 8 10 222 U.S.A. Colorado Weld Grover. Prairies. Annotated by Gerald B. Ownbey and Yu-Tseng Hsi. Phenology: flowering & fruiting. RM RM 313305 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray s.n. Edmund R. Cross 1913 7 20 201 U.S.A. Colorado Jefferson Golden. 1737 Railroad track. Phenology: flowering & fruiting. RM RM 43046 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 4871 Frank Tweedy 1902 7 182 U.S.A. Colorado Boulder Longmont. 1524 Plains and foothills. Annotated by Gerald B. Ownbey and Yu-Tseng Hsi. Phenology: flowering & fruiting. RM RM 159135 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 2358 George E. Osterhout 1901 7 11 192 U.S.A. Colorado Weld New Windsor. Annotated by Gerald B. Ownbey and Yu-Tseng Hsi. Phenology: flowering & fruiting. RM RM 31157 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 2358 George E. Osterhout 1901 7 3 184 U.S.A. Colorado Weld New Windsor. Annotated by Gerald B. Ownbey and Yu-Tseng Hsi. Phenology: flowering & fruiting. RM RM 157709 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 2873 George E. Osterhout 1904 7 25 207 U.S.A. Colorado Larimer Livermore. Annotated by Gerald B. Ownbey and Yu-Tseng Hsi. Phenology: flowering & fruiting. RM RM 50966 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 2873 George E. Osterhout 1904 7 25 207 U.S.A. Colorado Larimer Livermore. Annotated by Gerald B. Ownbey and Yu-Tseng Hsi. Phenology: flowering & fruiting. RM RM 157708 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 4087 George E. Osterhout 1909 8 18 230 U.S.A. Colorado Bent Henan Flats Annotated by Gerald B. Ownbey and Yu-Tseng Hsi. Phenology: fruiting. RM RM 159111 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 4120 George E. Osterhout 1909 8 20 232 U.S.A. Colorado Bent Rule Creek. Annotated by Gerald B. Ownbey and Yu-Tseng Hsi. Phenology: fruiting. RM RM 159110 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 4124 George E. Osterhout 1909 8 19 231 U.S.A. Colorado Bent Rule Creek. Annotated by Gerald B. Ownbey and Yu-Tseng Hsi. Phenology: flowering & fruiting. RM RM 159112 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 4163 George E. Osterhout 1909 7 21 202 U.S.A. Colorado Weld New Windsor. Annotated by Gerald B. Ownbey and Yu-Tseng Hsi. Phenology: flowering & fruiting. RM RM 157711 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 44 George E. Osterhout 1893 8 213 U.S.A. Colorado Larimer Mountains of Larimer County. Annotated by Gerald B. Ownbey and Yu-Tseng Hsi. Phenology: flowering. RM RM 159113 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 4864 George E. Osterhout 1912 7 10 192 U.S.A. Colorado Weld Windsor. Annotated by Gerald B. Ownbey and Yu-Tseng Hsi. Phenology: flowering & fruiting. RM RM 157710 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 5146 George E. Osterhout 1914 7 8 189 U.S.A. Colorado Sedgwick Julesburg. Annotated by Gerald B. Ownbey and Yu-Tseng Hsi. Phenology: flowering & fruiting. RM RM 312763 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray s.n. George E. Osterhout 1912 7 5 187 U.S.A. Colorado Weld Windsor. Phenology: flowering. RM RM 312764 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray s.n. George E. Osterhout 1912 7 22 204 U.S.A. Colorado Weld Windsor Phenology: flowering. RM RM 312765 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray s.n. George E. Osterhout 1916 8 1 214 U.S.A. Colorado Weld Windsor Phenology: fruiting. RM RM 262350 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 2619 Gerald B. Ownbey Yu-tseng Hsi 1958 8 14 226 U.S.A. Colorado Grand 3 mi E of Hot Sulphur Springs along Hwy 40. Dry hillside among sagebrush. Phenology: flowering & fruiting. RM RM 262351 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 2635 Gerald B. Ownbey Yu-tseng Hsi 1958 8 18 230 U.S.A. Colorado Montrose 7.1 mi S of Montrose, Highway 550. 1890 Dry strip between roadway and railroad right of way. Certainly native. Sheet 2 of 2. Phenology: vegetative only. RM RM 262352 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 2635 Gerald B. Ownbey Yu-tseng Hsi 1958 8 18 230 U.S.A. Colorado Montrose 7.1 mi S of Montrose, Highway 550. 1890 Dry strip between roadway and railroad right of way. Certainly native. Sheet 1 of 2. Phenology: flowering & fruiting. RM RM 47234 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 2798 J. H. Cowen 1896 7 29 211 U.S.A. Colorado Larimer Fort Collins. Dry ground. Annotated by Gerald B. Ownbey and Yu-Tseng Hsi. Phenology: flowering & fruiting. RM RM 8416 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray s.n. J. H. Cowen 1896 7 29 211 U.S.A. Colorado Larimer Fort Collins. 1524 Dry ground. Annotated by Gerald B. Ownbey and Yu-Tseng Hsi. Phenology: flowering & fruiting. RM USFS 476053 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray LN-207 Leon Nadeau 1936 7 15 197 U.S.A. Colorado El Paso Pike National Forest: Manitou Park. 2317 Abandoned field. Phenology: flowering & fruiting. RM RM 520861 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 14780 Marshal R. Crosby 1984 8 13 226 U.S.A. New Mexico Santa Fe Cerros Negros area ca 10 km E of Santa Fe. -105.87269 35.5777 4 2100 Pinyon pine scrub. 13-15 Aug 1984 Phenology: flowering. RM RM 293029 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 112 Robert C. Gardner 1971 7 1 182 U.S.A. Colorado Larimer Road to Red Feather Lakes, ca 3 mi W of Forks Cafe. Phenology: flowering. RM RM 734351 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 2138 Tim Hogan Dina Clark and Rick Brune 1993 6 12 163 U.S.A. Colorado Las Animas Mesa de Maya Region: Gotera Canyon. 1646 Bench above dry creek be in pinyon-juniper/oak woodland. Phenology: flowering. RM RM 734224 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 18733 William A. Weber R. C. Witmann 1993 7 11 192 U.S.A. Colorado Baca Picture Canyon, Pasture 2A. Phenology: flowering & fruiting. RM USFS 476043 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 514 Robert S. Cambell R. H. Canfield 1927 6 19 170 U.S.A. New Mexico Dona Ana Jornada Range Reserve: top of San Andreas Peak. 2442 25 degree east slope; gravelly, rocky soil; scattering with blue grama on rocky slopes. Phenology: flowering & fruiting. RM RM 318041 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 2339 B. E. Nelson 1978 9 25 268 U.S.A. Wyoming Goshen Southern Powder River Basin/Southeastern Plains: Southeastern Plains: Goshen Hole: ca 2 air mi SE of Yoder, ca 12 air mi SSW of Torrington on U.S. Hwy 85. -104.2664 41.9036 1280 In clay in borrow pit with Melilotus. Occasional. Phenology: flowering & fruiting. RM RM 523789 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 11797 Keith H. Dueholm 1981 8 2 214 U.S.A. Wyoming Platte Hartville Uplift: Patten Creek, ca 16 air mi SSE of Glendo. -104.7408 42.4428 1 1585 Margins of deep pools in creek, wet sedge meadows, cutbanks, ponderosa pine slopes, little bluestem grassland on hilltops and slopes, silver sage grassland above creek; hilltop. RM RM 599061 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 27160 B. E. Nelson 1993 7 19 200 U.S.A. Wyoming Goshen [location and coordinates withheld] 1350 1356 Mixed grass upland dominated by Bouteloua. Phenology: flowering & fruiting. RM RM 599060 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 27366 B. E. Nelson 1993 7 26 207 U.S.A. Wyoming Platte Southern Powder River Basin/Southeastern Plains: Hartville Uplift: just N of Glendo Dam on Glendo Park Road, ca 4.2 air mi ESE of Glendo; ca 18.3 air mi NW of Guernsey. -104.9575 42.4847 1463 1493 Disturbed area in ponderosa pine woodland. Phenology: flowering & fruiting. RM RM 599059 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 27478 B. E. Nelson 1993 7 26 207 U.S.A. Wyoming Platte Southern Powder River Basin/Southeastern Plains: Hartville Uplift: along Patten Creek ca 0.5 mi W of Wyo Hwy 270 on Patten Creek or County Road 208, ca 16 air mi ESE of Glendo; ca 12.3 air mi N of Guernsey. -104.7408 42.4428 1530 1536 Roadside. Phenology: flowering & fruiting. RM RM 599058 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 28291 B. E. Nelson 1993 8 3 215 U.S.A. Wyoming Goshen [location and coordinates withheld] 1335 1390 Sandy clay weedy grassland plains. Phenology: flowering & fruiting. RM RM 599057 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 28740 B. E. Nelson 1993 8 18 230 U.S.A. Wyoming Goshen Southern Powder River Basin/Southeastern Plains: Goshen Hole: NE of Glomill Reservoir off County Road 125, ca 12 air mi W of Yoder; ca 21 air mi SW of Torrington. -104.5279 41.9 1 1365 1390 Rolling chalky plains with shallow swales. Phenology: flowering & fruiting. RM RM 704608 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 32584 B. E. Nelson 1994 7 11 192 U.S.A. Wyoming Goshen Southern Powder River Basin/Southeastern Plains: Hartville Uplift: along Rawhide Butte or County Road 1, ca 3 air mi E of the Wildcat Hills, ca 9.5 air mi WNW of Jay Em; ca 35 air mi NW of Torrington. -104.5433 42.5038 1530 1539 Sandy slope with small cobblestones or rolling mixed grass plains. Phenology: flowering & fruiting. RM RM 704540 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 33181 B. E. Nelson 1994 7 20 201 U.S.A. Wyoming Platte Southern Powder River Basin/Southeastern Plains: Southeastern Plains: off the west edge of Slater flats ca 1.5 air mi W of Goshen Hole Rim, ca 11 air mi SE of Wheatland; ca 1.5-2 air mi E of Bordeaux. -104.8183 41.9373 1548 1567 Brushy gully in siltstone breaks. Phenology: flowering & fruiting. RM RM 64785 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 9196 Aven Nelson 1908 7 26 208 U.S.A. Wyoming Fort Laramie. Phenology: flowering & fruiting. RM RM 262591 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 109 Jean Finzel 1958 8 11 223 U.S.A. Wyoming Laramie 7 mi W of Cheyenne and 1 mi N of U.S. Hwy 30. -104.9602 41.0993 1829 Shortgrass prairie. Phenology: flowering & fruiting. RM RM 197375 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray s.n. Robert E. Pfadt 1944 8 31 244 U.S.A. Wyoming Niobrara Manville. -104.618 42.7789 1 Phenology: flowering & fruiting. RM RM 391826 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 462 Robert J. Hill 1973 6 28 179 U.S.A. Wyoming Converse Near Little Box Elder Cave. 1676 Growing in the draws, slopes and meadow areas. Phenology: flowering & fruiting. RM RM 293096 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 119 Robert C. Gardner 1971 7 2 183 U.S.A. Wyoming Platte Hwy 34: ca 3 mi E of Sybille Creek. 1829 Along roadside. Chemical voucher. Phenology: flowering & fruiting. RM RM 293097 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 121 Robert C. Gardner 1971 7 2 183 U.S.A. Wyoming Platte Hwy 26: ca 12 mi E of junction with I-25. 1341 Along roadside. Chemical voucher; 2n=30. Phenology: flowering & fruiting. RM RM 293033 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 122 Robert C. Gardner 1971 7 2 183 U.S.A. Wyoming Platte Hwy 26: ca 12 mi E of junction with I-25. 1341 Along roadside. 7 dm tall. Chemical voucher. Phenology: flowering & fruiting. RM RM 293098 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 155 Robert C. Gardner 1971 7 30 211 U.S.A. Wyoming Laramie I-25, ca 15 mi S of Chugwater. -104.8879 41.5521 1615 Along roadside. 2n = 30 Phenology: flowering & fruiting. RM RM 293054 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 156b Robert C. Gardner 1971 7 30 211 U.S.A. Wyoming Laramie I-80, ca 7 mi W of Cheyenne, N of road. -104.9723 41.1098 1 1707 Phenology: flowering & fruiting. RM RM 293050 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 167 Robert C. Gardner 1971 8 3 215 U.S.A. Wyoming Laramie I-80, ca 10 mi E of Cheyenne. -104.5975 41.158 1 1707 Along roadside. Chemical voucher; 2n = 32. Phenology: flowering & fruiting. RM RM 293053 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 177 Robert C. Gardner 1971 8 5 217 U.S.A. Wyoming Goshen U.S. Hwy 85, ca 15 mi N of Lingle. -104.3223 42.3358 1310 Along roadside and into field. Phenology: flowering & fruiting. RM RM 293026 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 182 Robert C. Gardner 1971 8 9 221 U.S.A. Wyoming Albany Hwy 30: ca 8 mi NW of Rock River. 2042 Along roadside. Phenology: flowering & fruiting. RM RM 293027 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 183 Robert C. Gardner 1971 8 9 221 U.S.A. Wyoming Carbon Hwy 30: ca 2 mi SE of Medicine Bow. 2012 Along roadside. Chemical voucher. Phenology: flowering & fruiting. RM RM 302147 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 751 Barry Hammel 1977 9 17 260 U.S.A. Wyoming Laramie Ca 5 mi NE of Cheyenne, Wayne Childs Ranch. -104.7609 41.2185 1875 On grazed short grass prairie. Occasional. Phenology: flowering & fruiting. RM RM Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 72146 B. E. Nelson 2007 6 18 169 U.S.A. Kansas Morton Cimarron National Grassland: along Forest Road 736 at the end of County Road F, ca 2.5 air mi ESE of Wilburton; ca 10 air mi ENE of Elkhart. -101.7306 37.0661 1039 Sand or silt on weedy sandsage rangeland. Phenology: flowering & fruiting. RM RM Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 72334 B. E. Nelson 2007 6 20 171 U.S.A. Colorado Baca Comanche National Grassland: Sand Canyon, ca 0.5 air mi N of Oklahoma, ca 15.5 air mi WSW of Campo. -102.8303 37.0079 1295 1298 Sandsage flats on sandy silt substrate. Phenology: flowering & fruiting. RM RM Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 72476 B. E. Nelson Bernadette Kuhn 2007 6 21 172 U.S.A. Colorado Baca Comanche National Grassland: side canyon of Holt Canyon, ca 1.5 air mi N of Oklahoma, ca 12 air mi SW of Campo. -102.7798 37.0237 1317 1341 Lower slopes and bottom of narrow side canyon with hackberry and soapberry. Phenology: flowering & fruiting. RM RM Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 1736 Bernadette Kuhn 2007 6 26 177 U.S.A. Colorado Baca Comanche National Grassland: Carrizo Work Center, ca 7.5 air mi S of Springfield. -102.607 37.301 1326 Old home site surrounded by shortgrass prairie; scattered Juniperus and Ulmus. Phenology: flowering & fruiting. RM RM Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 1795 Bernadette Kuhn 2007 6 26 177 U.S.A. Colorado Baca Comanche National Grassland: at radio tower ca 3.5 air mi SW of Springfield. -102.6438 37.3621 1371 Shortgrass prairie dominated by Psoralidium tenuifolium and Buchloë dactyloides. Phenology: flowering & fruiting. RM RM Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 1824 Bernadette Kuhn 2007 6 27 178 U.S.A. Colorado Baca Comanche National Grassland: ca 2.5 air mi WSW of Pritchett. -102.9051 37.3613 1504 Roadside, shortgrass prairie. Phenology: flowering & fruiting. RM RM Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 2106 Bernadette Kuhn Joe Rankin. 2007 7 5 186 U.S.A. Colorado Las Animas Comanche National Grassland: ca 24 air mi WSW of Pritchett. -103.283 37.2855 1707 Shortgrass prairie with disturbed dugout area and old home site. Phenology: flowering & fruiting. RM RM Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 2298 Bernadette Kuhn 2007 7 7 188 U.S.A. Kansas Morton Cimarron National Grassland: ca 12.5 air mi NE Elkhart. -101.7882 37.1687 1022 Rocky prairie dominated by Opuntia and Elymus. Phenology: flowering & fruiting. RM RM Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 2498 Bernadette Kuhn 2007 7 10 191 U.S.A. Colorado Baca Comanche National Grassland: 5.5 mi W of Campo on County Road J. -102.6803 37.1057 1367 Grazed pasture with lone Morus rubra. Phenology: flowering & fruiting. RM RM Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 2803 Bernadette Kuhn 2007 8 3 215 U.S.A. Colorado Baca Comanche National Grassland: Southeastern Colorado Research Station, 7.5 mi WSW of Springfield. -102.7428 37.3691 1411 House site and pasture dominated by Aristida sp. and Buchloë dactyloides. Phenology: flowering & fruiting. RM RM Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 11885 Brian Elliott 2003 9 20 263 U.S.A. Colorado Las Animas Comanche National Grassland: junction of U.S. Hwy 160 and the Villegreen Road, ca 9.5 ai WSW of Kim; 6 mi S of Villegreen. -103.5196 37.2192 1785 Roadside in shortgrass prairie. Phenology: flowering & fruiting. RM RM Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 11931 Brian Elliott 2003 10 4 277 U.S.A. Colorado Baca Comanche National Grassland: at junction of County Road M and County Road 13, ca 16 mi S of Pritchett. -102.8512 37.1491 1448 Shortgrass prairie and roadside, sandy soil. Phenology: flowering & fruiting. RM RM Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 12098 Brian Elliott 2003 10 5 278 U.S.A. Colorado Las Animas Comanche National Grassland: along and adjacent to Tobe Creek, ca 1.2 mi S of Tobe and U.S. Hwy 160; ca 14 mi SE of Kim. -103.6138 37.201 1757 Shortgrass prairie and riparian. Phenology: flowering & fruiting. RM RM Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 5814 Bernadette Kuhn Joe Rankin 2008 6 27 179 U.S.A. Kansas Morton Cimarron National Grassland: ca 12 air mi NW of Elkhart. -102.0304 37.1552 1115 Stock tank surrounded by Kochia and Salsola. Phenology: fruiting. RM RM Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 5902 Bernadette Kuhn Joe Rankin 2008 6 28 180 U.S.A. Kansas Morton Cimarron National Grassland: along Forest Road 627, ca 1/4 air mi N of Cimarron River, ca 10 air mi NNE of Elkhart. -101.8429 37.1489 1025 Sandsage prairie with large patches of Yucca glauca. Phenology: fruiting. RM RM Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 6404 Bernadette Kuhn 2008 7 11 193 U.S.A. Colorado Las Animas Comanche National Grassland: at Tobe Well off County Road 26, ca 9 air mi S of Villegreen; ca 10.5 air mi SW of Kim. -103.5233 37.1749 1815 Weedy roadside with one Ulmus americana. Phenology: fruiting. RM RM Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 6498 Bernadette Kuhn 2008 7 11 193 U.S.A. Colorado Baca [location and coordinates withheld] 1489 Pasture dominated by Cirsium undutatum and Bothriochloa laguroides. Phenology: fruiting. RM RM Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 6699 Bernadette Kuhn 2008 7 15 197 U.S.A. Colorado Las Animas Comanche National Grassland: along County Road 199, ca 1 air mi E of Kim. -103.3361 37.2455 1730 Sandy soil, shortgrass prairie pasture dominated by Aristida purpurea, Buchloë dactyloides, and Opuntia spp. Phenology: fruiting. RM RM Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 6742 Bernadette Kuhn 2008 7 15 197 U.S.A. Colorado Las Animas Comanche National Grassland: along County Road 211, ca 7 air mi ESE of Kim. -103.228 37.2199 1632 Sandy prairie pasture, dominated by Stipa sp. and Aristida purpurea. Phenology: fruiting. RM RM Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 6799 Bernadette Kuhn 2008 7 15 197 U.S.A. Colorado Las Animas [location and coordinates withheld] 1580 Sandy, shortgrass prairie, scattered Mentzelia and Ipomoea amid large clumps of Bothriochloa laguroides. Phenology: fruiting. RM RM Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 7509 Bernadette Kuhn Joe Rankin 2008 7 28 210 U.S.A. Colorado Las Animas [location and coordinates withheld] 1340 At spring. Phenology: fruiting. RM RM Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 7655 Bernadette Kuhn Joe Rankin 2008 7 29 211 U.S.A. Colorado Baca Comanche National Grassland: 0.5 mi N of County Road C, along two track, ca 11 air mi SE of Campo. -102.4119 37.0222 1234 Dominated by Yucca, Artemisia filifolia, and Sporobolus. Phenology: fruiting. RM RM 29235 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 5538 P. A. Rydberg 1900 7 12 193 U.S.A. Nebraska McCook. 600 Phenology: fruiting. RM RM 257761 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 2501 Gerald B. Ownbey Yu-Tseng Hsi 1957 8 16 228 U.S.A. Nebraska Box Butte Hwy 2, 21.8 mi S of Crawford. On prairie between limestone hills; growing with Cirsium canescens and Cirsium undulatum. Phenology: flowering. RM RM 832025 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 65206 Ronald L. Hartman 1999 7 28 209 U.S.A. Colorado Huerfano Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: 2.5 air mi S of Apache City, I-25 and County Road 110. -104.9294 37.8133 1829 Roadside along frontage road. Phenology: flowering & fruiting. RM RM 341285 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 2961 Erwin F. Evert 1981 7 2 183 U.S.A. Wyoming Park Absaroka Mountains: North Fork Shoshone River Drainage: along Rattlesnake Creek Road, ca 1.5 mi N of U.S. Hwy 14, 16, and 20. -109.2702 44.5283 1 1737 Sagebrush-grassland. Phenology: flowering & fruiting. RM RM 914615 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 10778 Robert D. Dorn 2013 7 29 210 U.S.A. Wyoming Goshen Ca 3 mi SW of town of Fort Laramie. -104.571667 42.191667 1341 Roadside, with Solanum rostratum and Traopogon. Flowers lavender. Phenology: flowering. RM RM 293048 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 209 Robert C. Gardner 1971 8 12 224 U.S.A. Wyoming Fremont U.S. Hwy 26/287, ca. 17 mi NW of Lander. 1707 Along roadside. Chemical voucher; 2n=32 Phenology: flowering & fruiting. RM RM 211778 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 139 George F. Freytag 1948 6 27 179 U.S.A. Wyoming Fremont Roberson Mines, 20 mi N of Shoshoni. 1554 On dry roadside. Phenology: flowering & fruiting. RM RM 287758 Cirsium ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum A. Gray 3037 Gerald B. Ownbey Findley Ownbey 1961 8 16 228 U.S.A. Wyoming Fremont 7.9 mi SE of Crowheart (38 mi SE of Dubois), U.S. Hwy. 287-26. 1829 Two colonies seen along roadway and possibly not native here. Topography is rolling sagebrush-prairie. Corollas almost white. Phenology: flowering & fruiting. RMT UNM 96185 Cirsium ochrocentrum ssp. martinii physical specimen Asteraceae Cirsium ochrocentrum ssp. martinii Barlow-Irick Isotype for <i>Cirsium</i> <i>ochrocentrum</i> A. Gray ssp. <i>martinii</i> Barlow-Irick. Novon 9(3): 320 (318-322, figs. 1-2). 1999 [15 Sep 1999] 97-8 P. Barlow-Irick 1997 7 28 209 U.S.A. New Mexico Catron 5 mi E of the Frisco River Bridge at Reserve, NM along NM Highway 12. Along roadside in roadfill materials. Loamy soils. Exposed to full sun. Wetter-than-normal conditions have resulted in extensive blooming this year. Associated plants: Sphaeralcea fendleri, Argemone squarrosa, Fallugia paradoxa, Cleome serrulata, Physalis lobata, Cucurbita foetidissima. In area dominated by Juniperus deppeana, Pinus edulis, and Quercus emoryi. Common in area. Plant approximately 80 cm tall, branching at base to 3 main stems. Single taproot. Seeds not yet formed in this population. Capitula in population have varying shades of pink and reddish florets, these reddish. In 2 sheets. 2 of 2. Phenology: vegetative only. Type Specimen. RMT UNM 96185 Cirsium ochrocentrum ssp. martinii physical specimen Asteraceae Cirsium ochrocentrum ssp. martinii Barlow-Irick Isotype for <i>Cirsium</i> <i>ochrocentrum</i> A. Gray ssp. <i>martinii</i> Barlow-Irick. Novon 9(3): 320 (318-322, figs. 1-2). 1999. Holotype (US). Isotypes: (UNM, MO, NMC, ASU). 97-8 P. Barlow-Irick 1997 7 28 209 U.S.A. New Mexico Catron 5 miles east of the Frisco River bridge at Reserve, NM along NM Highway 12. 1768 Along roadside in roadfill materials. Loamy soils. Exposed to full sun. Associated plants: Sphaeralcea fendleri, Argemone squarrosa, Fallugia paradoxa, Cleome serrulata, Physalis lobata, Cucurbita foetidissima. In area dominated by Juniperus deppeana, Pinus edulis, and Quercus emoryi. Plant approximately 80 cm tall, branching at base to three main stems. Single taproot. Seeds not yet formed in this population. Photographic slides accompany the holotype. Capitula in population have varying shades of pink and reddish florets, these reddish. Common in area. Wetter-than-normal conditions have resulted in extensive blooming this year. Phenology: flowering. Type Specimen. RM USFS 476052 Cirsium ochrocentrum var. martinii physical specimen Asteraceae Cirsium ochrocentrum var. martinii (Barlow-Irick) D. J. Keil 4 Frank Hiler 1921 8 30 242 U.S.A. New Mexico Catron Cibola National Forest: canyon W of Baldwin Station. -107.9137 34.17969 1 2378 Bottom of southeast slope: not abundant with rabbitbrush. Phenology: flowering & fruiting. RM RM 300320 Cirsium ochrocentrum var. martinii physical specimen Asteraceae Cirsium ochrocentrum var. martinii (Barlow-Irick) D. J. Keil 2274 Johnnie L. Gentry Earl Jensen 1968 8 9 222 U.S.A. New Mexico Grant Gila National Forest: SW of Silver City. -108.51109 32.493 1 1829 Juniper woodland, sandy soil. Phenology: fruiting. RM RM 55898 Cirsium ochrocentrum var. martinii physical specimen Asteraceae Cirsium ochrocentrum var. martinii (Barlow-Irick) D. J. Keil 122 O. B. Metcalfe 1903 6 11 162 U.S.A. New Mexico Grant Mangas Springs, 18 mi NW of Silver City. -108.5109 32.8423 1 1454 Phenology: flowering & fruiting. RM USFS 476050 Cirsium ochrocentrum var. ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum var. ochrocentrum A. Gray 12 Barnard A. Hendricks 1925 9 22 265 U.S.A. New Mexico Catron Datil National Forest. -108.4291 33.6739 1 2286 20% southeast slope; gravelly loam; not very abundant in park with blue grama, snakeweed, pingue and mentzelia. Phenology: flowering & fruiting. RM USFS 476044 Cirsium ochrocentrum var. ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum var. ochrocentrum A. Gray 231 Clarence L. Forsling 1918 9 16 259 U.S.A. New Mexico Dona Ana Jornada Range Reserve: between Middle and Red Lake Wells. -106.80129 32.69959 1 1310 Heavy adobe clay. Phenology: flowering & fruiting. RM RM 18015 Cirsium ochrocentrum var. ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum var. ochrocentrum A. Gray 132 E. O. Wooton 1897 7 11 192 U.S.A. New Mexico Dona Ana Organ Mountains. -106.5476 32.29319 9 1524 Phenology: fruiting. RM RM 58520 Cirsium ochrocentrum var. ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum var. ochrocentrum A. Gray s.n. E. O. Wooton 1894 8 29 241 U.S.A. New Mexico Dona Ana Organ Mountains. -106.5476 32.29319 9 1219 2134 Phenology: flowering & fruiting. RM RM 949464 Cirsium ochrocentrum var. ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum var. ochrocentrum A. Gray 7028 Jill E. Larson 2006 6 21 172 U.S.A. New Mexico Rio Arriba Carson National Forest and Vicinity: Forest Road 94, ca 2 air mi S fo Las Placitas, just S of CCC Spring. -106.1648 36.2901 1981 Pinyon/juniper woodland with Artemisia tridentata, Muhlenbegia torreyi, and Bouteloua gracilis. Phenology: flowering. RM RM 22374 Cirsium ochrocentrum var. ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum var. ochrocentrum A. Gray 91 Josephine Skehan 1898 7 12 193 U.S.A. New Mexico Lincoln Gray. -105.5724 33.5456 1 1920 Phenology: fruiting. RM RM 806473 Cirsium ochrocentrum var. ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum var. ochrocentrum A. Gray 3479 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 RM 806472 Cirsium ochrocentrum var. ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum var. ochrocentrum A. Gray 76114 Ronald L. Hartman 2002 7 20 201 U.S.A. New Mexico Rio Arriba Santa Fe National Forest and Vicinity: Arroyo Gavilan, 2.3 road mi S of Taos County on U.S. Hwy 285. -106.05 36.2581 1921 Sandy drainage. Phenology: flowering & fruiting. RM USFS 476043 Cirsium ochrocentrum var. ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum var. ochrocentrum A. Gray 514 Robert S. Campbell R. H. Canfield 1927 6 19 170 U.S.A. New Mexico Dona Ana Jornada Range Reserve: top of San Andres Peak. -106.53679 32.676 1 2442 25 degree east slope; gravelly, rocky soil; scattering with blue grama on rocky slopes. Phenology: flowering & fruiting. RM RM 804876 Cirsium ochrocentrum var. ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum var. ochrocentrum A. Gray 61529 B. E. Nelson 2004 7 11 193 U.S.A. New Mexico San Miguel 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. -105.2401 35.2956 1722 1750 Sandy slopes and flats in juniper/grassland. Phenology: flowering. RM RM 804875 Cirsium ochrocentrum var. ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum var. ochrocentrum A. Gray 61616 B. E. Nelson 2004 7 11 193 U.S.A. New Mexico San Miguel Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Anton Chico Grant: along Arroyo Leguino just below the northwest end of Mesita de los Ladrones, ca 7.5-8 air mi E of Villanueva; ca 21 air mi S of Las Vegas. -105.2214 35.2884 1698 1707 Sandy flat valley floor above the arroyo. Phenology: flowering. RM RM 804882 Cirsium ochrocentrum var. ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum var. ochrocentrum A. Gray 10007 Brian Reif 2004 8 6 219 U.S.A. New Mexico San Miguel 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. -105.2694 35.288 1756 Grassy mesa, Bouteloua dominant, with scattered pinyon and juniper. Phenology: flowering & fruiting. RM RM 131841 Cirsium ochrocentrum var. ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum var. ochrocentrum A. Gray 11547 Aven Nelson 1931 8 1 213 U.S.A. New Mexico Santa Fe The Santa Fe hills. Phenology: flowering & fruiting. RM RM 287797 Cirsium ochrocentrum var. ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum var. ochrocentrum A. Gray 1483 Gerald B. Ownbey Findley Ownbey 1950 8 3 215 U.S.A. New Mexico San Miguel Along Hwy 85, 5.2 mi NE of Las Vegas. -105.18319 35.6681 1 2042 Rolling, gravelly prairies. Phenology: fruiting. RM RM 823641 Cirsium ochrocentrum var. ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum var. ochrocentrum A. Gray 2202 Michael Schiebout 2004 8 6 219 U.S.A. New Mexico Union Kiowa National Grasslands: ca 8 mi S of Clayton. -103.130556 36.331944 1450 Shortgrass prairie, sandy soil. Phenology: flowering & fruiting. RM RM 823618 Cirsium ochrocentrum var. ochrocentrum physical specimen Asteraceae Cirsium ochrocentrum var. ochrocentrum A. Gray 149 Michael Schiebout 2004 6 29 181 U.S.A. New Mexico Union Kiowa National Grassland: Forest Road K35 (north end), 7 air mi SE of Clayton. -103.076389 36.409167 1464 Phenology: flowering & fruiting. RMT RM 55320 Cirsium ochrocentrum var. townsendii physical specimen Asteraceae Cirsium ochrocentrum var. townsendii Petr. Isotype for <i>Cirsium</i> <i>ochrocentrum</i> A. Gray var. <i>townsendii</i> Petr.. Beih. Bot. Centralbl. 35, Ab. 2: 420. 1917. Isotype of Cirsium ochrocentrum var. townsendii, David J. Keil, 2008. 59 C. H. T. Townsend C. M. Barber 1895 6 2 153 México Chihuahua Near Colonia Garcia in the Sierra Madres. 2286 Phenology: flowering. Type Specimen. 3600 3,1,0 true