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RM RM Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 3111 Peter J. Ebertowski 2002 8 16 228 U.S.A. Wyoming Weston [location and coordinates withheld] 1185 1198 Sandy bowl with large sandstone outcrops. Phenology: fruiting. RM RM 784796 Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 10130 Robert D. Dorn 2005 8 17 229 U.S.A. Wyoming Crook Road to Planting Spring. -104.375 44.695 1463 Sandy opening in ponderosa pine-aspen, with Helianthemum, Lotus. Culms scabrous, see C. Lupulinus? 10128. Phenology: fruiting. RM RM Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 4666 Grace M. Kostel 2003 10 15 288 U.S.A. South Dakota Pennington Buffalo Gap National Grassland and Vicinity: ca 22 air mi ENE of Hermosa and 1 mi W of Swinehart Hill on Rapid Creek. -102.756667 43.920833 792 On banks of creek. Phenology: fruiting. RM RM Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 9322 Grace M. Kostel 2005 7 23 204 U.S.A. South Dakota Jackson Buffalo Gap National Grassland and Vicinity: ca 6 air mi SW of Kadoka on County Road CH6. -101.603767 43.779683 712 In wetland soil depression having clay soil. Phenology: flowering & fruiting. RM RM Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 9743 Grace M. Kostel 2005 8 10 222 U.S.A. South Dakota Pennington Buffalo Gap National Grassland and Vicinity: ca 5.5 air mi SSE of Wall in Bloom Basin. -102.17255 43.926867 823 In wet ground depression, soil is silty clay. Phenology: flowering & fruiting. RM RM 951907 Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 10854 Jill E. Larson 2006 8 22 234 U.S.A. New Mexico Rio Arriba Carson National Forest and Vicinity: Canada de los Comanches along Taos County line, ca 2 air mi SE of Servilleta Plaza and ca 6 air mi NW of Taos Junction. -105.9534 36.4111 2126 Sandy soils with Gutierrezia sarothrae, Chrysothamnus nauseous, Heterotheca villosa, Bouteloua gracilis, and Sporobolus species. Phenology: flowering & fruiting. RM RM 785588 Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 26902 Larry C. Higgins 2005 9 13 256 U.S.A. Arizona Coconino Arizona Strip: Paria Plateau: Vermillion Cliffs National Recreation Area. -111.96133 36.84433 1 1925 Navajo blowsand; pinyon, juniper, Chrysothamnus, Artemisia community. Phenology: flowering & fruiting. RM RM 785213 Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 30603 N. Duane Atwood A. Merkley 2004 9 1 245 U.S.A. Arizona Coconino Arizona Strip: Paria Plateau: 1.5 mi W of Road 1065 on Road 1017, thence N on first dirt road ca 200 yards. -111.86566 36.84183 1 1981 Juniper-pinyon, Artemisia, Gutierrezia, Cercocarpus intricatus; sandy soil. Phenology: flowering & fruiting. RM RM 808963 Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 75961 Ronald L. Hartman 2002 7 17 198 U.S.A. New Mexico Rio Arriba Santa Fe National Forest and Vicinity: Jemez Mountains: Arroyo del Toro, 0.5 air mi up stream from U.S. Hwy 84. -106.185733 36.146967 1798 Sandy streambed. Phenology: flowering & fruiting. RM RM 808962 Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 75995 Ronald L. Hartman 2002 7 18 199 U.S.A. New Mexico Rio Arriba Santa Fe National Forest and Vicinity: Jemez Mountains: Canyon Madera, first mile from road. -106.217633 36.174783 1815 Sandy slopes and stream bottom. Phenology: flowering & fruiting. RM RM 808961 Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 76105 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 RM 808964 Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 9431 Brian Reif 2003 9 2 245 U.S.A. New Mexico San Miguel Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Anton Chico Grant: drainage in immediate vicinity of Pecos River at prominent oxbow, 5 air mi ENE of Villanueva. -105.2763 35.2707 1716 From fissures in platey, exposed, metamorphosed sandstone bedrock of drainage. Phenology: flowering. RM RM 8672 Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. s.n. Aven Nelson 1896 8 25 238 U.S.A. Wyoming Laramie Cheyenne. -104.8202 41.1388 3 1859 Phenology: fruiting. RM RM 383943 Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 4513 Robert D. Dorn 1986 9 8 251 U.S.A. Wyoming Goshen 4 mi E of Torrington. -104.1054 42.0783 1280 Sand hills with Artemisia filifolia, Calamovilfa. Phenology: fruiting. RM RM 581076 Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 5438 Robert D. Dorn 1993 7 17 198 U.S.A. Wyoming Goshen 4 mi E of Torrington. -104.0961 42.0817 1280 Sand hills with Artemisia filifolia, Opuntia macrorhiza. Phenology: fruiting. RM RM 300206 Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 2718 Robert D. Dorn 1976 7 3 185 U.S.A. Wyoming Crook Ca 4 mi E of Alva. -104.3627 44.6536 2 1432 Sandy ridge with Lotus, Eriogonum. Phenology: flowering & fruiting. RM RM 383943 Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 4513 Robert D. Dorn 1986 9 8 251 U.S.A. Wyoming Goshen 4 mi E of Torrington. -104.1009 42.0837 1 1280 Sand hills with Artemisia filifolia, Calamovilfa. Phenology: fruiting. RM RM 581076 Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 5438 Robert D. Dorn 1993 7 17 198 U.S.A. Wyoming Goshen 4 mi E of Torrington. -104.1009 42.0837 1 1280 Sand hills with Artemisia filifolia, Opuntia macrorhiza. Phenology: fruiting. RM RM 264668 Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 8803 C. L. Porter Marjorie W. Porter 1961 7 20 201 U.S.A. South Dakota Fall River 2 mi S of Oelrichs. -103.2329 43.1493 1 1036 1067 Sand hills. Locally common. Phenology: flowering & fruiting. RM USFS 437793 Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 670 Charles P. Pase 1956 7 12 194 U.S.A. South Dakota Custer Black Hills National Forest: W Pass Creek. -103.8458 43.6153 1 1402 1463 10% southeast slope; mixed prairie; sandy soil; Bouteloua gracilis, Stipa comata, and Andropogon scoparius association. Phenology: flowering & fruiting. RM RM 67816 Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. s.n. E. J. Wallace 1896 6 30 182 U.S.A. South Dakota Tripp Rock Bridge Creek. -99.7002 43.0377 2 609 670 Low lands. Phenology: flowering & fruiting. RM RM 67816 Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. s.n. E. J. Wallace 1896 6 30 182 U.S.A. South Dakota Tripp Rock Bridge Creek. -99.7002 43.0377 2 609 670 Low lands. Phenology: flowering & fruiting. RM RM 61869 Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 27 S. A. Skinner U.S.A. South Dakota no county In wet places; in slewes, ponds etc. Phenology: flowering & fruiting. RM RM 76268 Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 2589 S. S. Visher 1911 7 29 210 U.S.A. South Dakota Fall River Phenology: flowering & fruiting. RM RM 81611 Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 827 Earl L. Johnston 1915 8 1 213 U.S.A. Colorado Weld Fort Lupton. Also Weld County. Phenology: fruiting. RM RM 165236 Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 1207 George E. Osterhout 1896 6 11 163 U.S.A. Colorado Logan Sterling. Phenology: flowering & fruiting. RM RM 165219 Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 4029 George E. Osterhout 1909 7 15 196 U.S.A. Colorado Yuma Wray. Phenology: fruiting. RM RM 165217 Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 4134 George E. Osterhout 1909 8 20 232 U.S.A. Colorado Bent Rule Creek. Phenology: fruiting. RM RM 165218 Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 4828 George E. Osterhout 1912 8 28 241 U.S.A. Colorado Sedgwick Julesburg. Phenology: fruiting. RM RM 165216 Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 6047 George E. Osterhout 1920 7 12 194 U.S.A. Colorado Weld Cornish. Phenology: fruiting. RM RM 312015 Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. sn George E. Osterhout 1896 6 11 163 U.S.A. Colorado Logan Sterling. Phenology: flowering & fruiting. RM RM 312050 Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. sn George E. Osterhout 1914 7 9 190 U.S.A. Colorado Sedgwick Julesburg. Phenology: fruiting. RM RM 133681 Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 302 Leon Kelso 1928 6 153 U.S.A. Colorado Adams Aurora. Also Arapahoe County. Phenology: flowering & fruiting. RM RM 734373 Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 2384 Tim Hogan Dina Clark and Rick Brune. 1993 9 4 247 U.S.A. Colorado Las Animas Mesa de Maya Region: southeast side of Tecolote Mesa. -103.2048 37.1412 1 1585 Shortgrass prairie with Bouteloua gracilis, yucca and cholla. Phenology: fruiting. RM RM 604739 Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 82 Van T. Harris 1961 7 13 194 U.S.A. Colorado Lincoln 8 mi S of Aroya. 1402 Sand-sage community. Phenology: fruiting. RM RM 211316 Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 4346 William A. Weber 1948 8 6 219 U.S.A. Colorado Baca Sand and Gallinas Canyon: tributary to Cimarron River; vicinity of Wilson Ranch; 27 mi S of Pritchett. -102.842 37.0247 2 1341 Talus slopes. Phenology: flowering & fruiting. RM RM 785213 Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 30603 N. Duane Atwood A. Merkley 2004 9 1 245 U.S.A. Arizona Coconino Arizona Strip: Paria Plateau: 1.5 mi W of Road 1065 on Road 1017, thence north on first dirt road ca 200 yards. Juniper-pinyon, Artemisia, Gutierrezia, Cercocarpus intricatus; sandy soil. Phenology: flowering & fruiting. RM RM 595512 Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 28236 B. E. Nelson 1993 8 3 215 U.S.A. Wyoming Goshen Southern Powder River Basin/Southeastern Plains: Goshen Hole: along Wyo Hwy 159, ca 5.5 air mi N of Torrington; ca 7.5 air mi E of Lingle. -104.2013 42.1422 1307 1326 Stabilized sand dunes. Phenology: fruiting. RM RM 664203 Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 31937 B. E. Nelson 1994 6 21 172 U.S.A. Wyoming Converse Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: on the divide between Archie Draw, Coal Draw and Middle Creek just W of Cow Creek Buttes, ca 14 air mi ENE of Bill; ca 40.5 air mi NE of Douglas. -104.9903 43.2841 1475 1481 Sandy slope, mostly dominated by large areas of Calamovilfa and Yucca. Phenology: flowering & fruiting. RM RM 373972 Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 11660 B. E. Nelson 1984 9 12 256 U.S.A. Wyoming Crook Black Hills: Bear Lodge Mountains: Reuter Campground, ca 3 air mi NW of Sundance. -104.0981 44.6567 1 1036 Meadow. Phenology: fruiting. RM RM 373974 Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 8387 Hollis Marriott 1984 8 2 215 U.S.A. Wyoming Weston [location and coordinates withheld] 1432 Grassland in canyon botton, on sandy soil. Phenology: fruiting. RM RM 373973 Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 8803 Hollis Marriott Dennis Horning 1984 8 8 221 U.S.A. Wyoming Weston Black Hills: Elk Mountain area, Clifton Canyon above confluence with Lost Canyon, ca 13.5 air mi SSE of Newcastle. 1371 Grassy openings on northwest side of canyon. Phenology: fruiting. RM RM 300206 Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 2718 Robert D. Dorn 1976 7 3 185 U.S.A. Wyoming Crook Ca 4 mi E of Alva. -104.3627 44.6536 1 1432 Sandy ridge with Lotus, Eriogonum. Phenology: flowering & fruiting. RM RM 316566 Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 2463 Robert W. Lichvar 1979 9 14 257 U.S.A. Wyoming Crook Bear Lodge Mountains: summit between Alva and Aladdin. -104.3225 44.6536 1 1432 Infrequent in sandy soil at campground with Carex, Juncus. Phenology: fruiting. RM RM 329563 Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 3203 Robert W. Lichvar 1980 7 18 200 U.S.A. Wyoming Crook Bear Lodge Mountains. -104.3829 44.696 1 1432 Sandy forest with Pinus, Antennaria. Phenology: flowering & fruiting. RM RM 373971 Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 16127 Ronald L. Hartman 1983 7 13 194 U.S.A. Wyoming Crook Black Hills: drainage from Geis Springs to 1.5 mi to the NE, ca 5-6 air mi E of Alva. -104.32528 44.6994 1 1280 Pine woodlands, shaded ravines, logging roads, sandy open slopes, and pond; sandy slope. Phenology: flowering & fruiting. RM RM 373970 Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 16128 Ronald L. Hartman 1983 7 13 194 U.S.A. Wyoming Crook Black Hills: drainage from Geis Springs to 1.5 mi to the NE, ca 5-6 air mi E of Alva. -104.32528 44.6994 1 1280 Pine woodlands, shaded ravines, logging roads, sandy open slopes, and pond; sandy slope. Phenology: flowering & fruiting. RM RM Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 72026 B. E. Nelson 2007 6 18 169 U.S.A. Kansas Morton Cimarron National Grassland: along Cimarron River and Turkey Trail ca 1 air mi E of Kan Hwy 27, ca 8.5 air mi N of Elkhart. -101.8825 37.1262 1028 Low sand dunes in the river bottom, with scattered cottonwood. Phenology: flowering & fruiting. RM RM Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 72104 B. E. Nelson 2007 6 18 169 U.S.A. Kansas Morton Cimarron National Grassland: along Cimarron River and Turkey Trail ca 4 air mi ENE of Kan Hwy 27, ca 10.5 air mi NNE of Elkhart. -101.846 37.1448 1027 Buffalo grass rangeland. Phenology: flowering & fruiting. RM RM Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 72372 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 Mature cottonwood forest with scattered juniper on sand or sandy silt substrate. Phenology: flowering & fruiting. RM RM Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 72426 B. E. Nelson Bernadette Kuhn 2007 6 21 172 U.S.A. Colorado Baca Comanche National Grassland: Ute Canyon, ca 0.5 mi W of County Road 28, ca 5.5-6 air mi S of Campo. -102.5902 37.0182 1265 1274 Shallow valley with scattered sandstone cliffs. Phenology: flowering & fruiting. RM RM Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 840 Bernadette Kuhn 2007 6 7 158 U.S.A. Colorado Baca Comanche National Grassland: Picture Canyon, ca 28.5 air mi SSW of Springfield. -102.7445 37.0123 1306 Lush canyon with Salix-dominated wet draw. Canyon rim dominated by Juniperus. Shortgrass prairie with Yucca sp., Opuntia sp., and Buchloë dactyloides; grazed. Phenology: flowering. RM RM Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 849 Bernadette Kuhn 2007 6 7 158 U.S.A. Colorado Baca Comanche National Grassland: Picture Canyon, ca 29 air mi SSW of Springfield. -102.7486 37.0073 1288 Along Salix-dominated wet seep. Shortgrass prairie with Yucca sp., Opuntia sp., and Buchloë dactyloides; grazed. Phenology: flowering & fruiting. RM RM Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 1068 Bernadette Kuhn 2007 6 11 162 U.S.A. Kansas Morton Cimarron National Grassland: ca 7 mi N of Elkhart. -101.8823 37.1188 1027 Near windmill. Phenology: flowering & fruiting. RM RM Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 1414 Bernadette Kuhn B. E. Nelson 2007 6 21 172 U.S.A. Colorado Baca Comanche National Grassland: near West Ute Canyon, ca 26 air mi S of Springfield. -102.6284 37.0318 1293 Sandy soil, shortgrass prairie with Yucca and cholla. Phenology: flowering & fruiting. RM RM Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 2215 Bernadette Kuhn Joe Rankin 2007 7 6 187 U.S.A. Kansas Morton Cimarron National Grassland: ca 4 air mi NW of Elkhart. -101.9391 37.043 1079 Shortgrass prairie dominated by Buchloë dactyloides and Elymus smithii. Phenology: flowering & fruiting. RM RM Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 2884 Bernadette Kuhn Amy Tomson 2007 8 4 216 U.S.A. Colorado Baca Comanche National Grassland: Carrizo Canyon, S of picnic area along Carrizo Creek, ca 29 air mi SW of Springfield. -103.0167 37.1348 1468 Shortgrass prairie dominated by Aristida purpurea and Bouteloua spp. Phenology: flowering & fruiting. RM RM 528356 Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 16944 Ralph E. Brooks Carol Teale 1983 8 9 221 U.S.A. North Dakota Pembina 5 mi N of Mountain. Lower pasture and adjacent willow-poplar-ash woodlot; sandy dry ridge on west lower and seasonally wet to E. Phenology: fruiting. RM RM 131128 Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. s.n. Wilhelm G. Solheim 1929 7 4 185 U.S.A. North Dakota Cass Kindred. Sand dunes. Phenology: fruiting. RM RM 154386 Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. s.n. O. A. Stevens 1936 7 3 185 U.S.A. North Dakota Ransom Anselm. Sand dunes. Phenology: flowering & fruiting. RM RM 133680 Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 354 Wilhelm G. Solheim 1929 7 4 185 U.S.A. North Dakota Cass Kindred. Sand dunes. Phenology: fruiting. RM RM 165235 Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. s.n. J. Lunell 1911 7 2 183 U.S.A. North Dakota Benson Pleasant Lake. Bare, gravelly plain. Phenology: fruiting. RM RM 604326 Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 4137 Ralph H. Imler 1938 7 25 206 U.S.A. Nebraska no county Crescent Lake Refuge. 1158 Phenology: fruiting. RM RM 189812 Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 4164 W. L. Tolstead 1941 7 4 185 U.S.A. Nebraska Jefferson 8 mi SW of Fairbury. In sand derived from Dakota sandstone. Phenology: fruiting. RM USFS 437791 Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 19269 Theodore Krueger 1914 8 29 241 U.S.A. Nebraska no county Nebraska National Forest. Phenology: fruiting. RM RM 275390 Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 208 Elray S. Nixon 1964 7 30 212 U.S.A. Nebraska Sheridan Metcalf Public Hunting Grounds, 13 mi N of Hay Springs. 1006 Open ridges and Pinus ponderosa forest; south facing slope. Phenology: fruiting. RM RM 231508 Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. s.n. Harry Hapeman 1893 8 213 U.S.A. Nebraska Kearney Minden. Phenology: fruiting. RM USFS 437792 Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 19160 Theodore Krueger 1914 5 4 124 U.S.A. Nebraska no county Nebraska National Forest. Phenology: fruiting. RM RM 793312 Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 9322 Grace M. Kostel 2005 7 23 204 U.S.A. South Dakota Jackson Buffalo Gap National Grassland and Vicinity: ca 6 air mi SW of Kadoka on County Road CH6. -101.603767 43.779683 712 In wetland soil depression having clay soil. Phenology: flowering & fruiting. RM RM 745808 Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. 569 Dina Clark 1994 9 17 260 U.S.A. Colorado Las Animas Mesa de Maya Region. 1756 South slope above drainage in grassland with Oak and Sanina monosperma, Bothriochloa laguroides, Chondrosum hirsutum, Froelichia gracilis, Melilotus alba, and Teloxys graveolens. Pine Canyon Quad Phenology: fruiting. RM RM 8672 Cyperus schweinitzii physical specimen Cyperaceae Cyperus schweinitzii Torr. s.n. Aven Nelson 1896 8 25 238 U.S.A. Wyoming Laramie Cheyenne. -104.8202 41.14 3 1859 Phenology: fruiting. 3600 3,1,0 true