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RM RM 789292 Corispermum welshii physical specimen Amaranthaceae Corispermum welshii Mosyakin 2773 Bonnie Heidel 2005 9 9 252 U.S.A. Wyoming Sweetwater Great Divide Basin: Killpecker Dunes. 2152 Common on western upwind dune slopes on unconsolidated sand; occurs with Achnatherum hymenoides. Phenology: fruiting. RM RM 151679 Corispermum welshii physical specimen Amaranthaceae Corispermum welshii Mosyakin 1122 Marion Ownbey Robert L. Lang 1936 9 1 245 U.S.A. Wyoming Sweetwater Near Steamboat Mountain. -108.9456 41.9417 3 2210 Sand dunes. Paratype Phenology: fruiting. RM RM 383981 Corispermum welshii physical specimen Amaranthaceae Corispermum welshii Mosyakin 4549 Robert D. Dorn 1986 9 26 269 U.S.A. Wyoming Niobrara -104.1311 42.8749 1432 Sandy roadside with Cenchrus and Salsola. Paratype Phenology: fruiting. RM RM 681004 Corispermum welshii physical specimen Amaranthaceae Corispermum welshii Mosyakin 18048 Walter Fertig 1997 8 21 233 U.S.A. Wyoming Carbon North Platte River Valley: west shore of Seminoe Reservoir, on banks of inlets on north side of Seminoe Boat Club picnic area; ca 0.5-1 mi S of east end of ID Ridge; ca 2 mi E of County Road 351; ca 5.5 mi S of Seminoe Dam. -106.875 42.0823 1 1942 Sandy banks of inlet at edge of stabilized sand dune dominated by Elymus smithii, Psoralidium lanceolatum, Oryzopsis hymenoides, and Rumex. Phenology: fruiting. RM RM 682347 Corispermum welshii physical specimen Amaranthaceae Corispermum welshii Mosyakin 18966 Walter Fertig 1999 8 27 239 U.S.A. Wyoming Albany West foothills Laramie Range: along tributary wash of Spring Creek on north side of U.S. Hwy 30 at east end of Laramie. -105.546 41.2967 2234 Reddish sandy soil in bottom of dry wash and adjacent terraces dominated by Eriogonum microthecum, Gutierrezia sarothrae, Heterotheca, Agropyron cristatum, and Stipa comata. Phenology: fruiting. RM RM 703529 Corispermum welshii physical specimen Amaranthaceae Corispermum welshii Mosyakin 19251 Walter Fertig 2000 8 23 236 U.S.A. Wyoming Carbon North Platte River Valley: midpoint of ID Ridge, ca 1.5 air mi W of Seminoe Reservoir and ca 1.8-2 mi E of County Road 351, ca 4.5 air mi S of Seminoe Dam. -106.9092 42.0945 2042 2077 Semi-stable 30 degree sand slope on edge of active blowout on south side of crest of ID Ridge in community of Psoralidium lanceolatum/Oryzopsis hymenoides/Redfieldia flexuosa. Phenology: flowering & fruiting. RM RM 596590 Corispermum welshii physical specimen Amaranthaceae Corispermum welshii Mosyakin 11616 B. E. Nelson 1984 9 10 254 U.S.A. Wyoming Niobrara Southern Powder River Basin/Southeastern Plains: Hat Creek Breaks: ridge between S Bar and East Indian Creeks, ca 1.5 air mi SW of Whitman; ca 18 air mi NE of Lusk. -104.1291 42.8688 1432 Roadside. Phenology: fruiting. RM RM 919236 Corispermum welshii physical specimen Amaranthaceae Corispermum welshii Mosyakin 18345 B. E. Nelson 1989 8 22 234 U.S.A. Wyoming Carbon Medicine Bow Mountains: along West Fork Foote Creek just S of forest boundary, ca 3.5 air mi WSW of Arlington, ca 28.8 air mi ENE of Saratoga. -106.2783 41.575 1 2530 Sandy roadside. Phenology: fruiting. RMT RM 151679 Corispermum welshii physical specimen Amaranthaceae Corispermum welshii Mosyakin Paratype for <i>Corispermum</i> <i>welshii</i> Mosyakin. Novon 5: 348, fig. 1995. 1122 Marion Ownbey Robert L. Lang 1936 9 1 245 U.S.A. Wyoming Sweetwater Near Steamboat Mt. Sand dunes. Phenology: flowering & fruiting. Type Specimen. RMT RM 383981 Corispermum welshii physical specimen Amaranthaceae Corispermum welshii Mosyakin Paratype for <i>Corispermum</i> <i>welshii</i> Mosyakin. Novon 5: 348, fig. 1995. 4549 Robert D. Dorn 1986 9 26 269 U.S.A. Wyoming Niobrara 1432 Sandy roadside. Associates: Cenchrus, Salsola. Phenology: flowering. Type Specimen. 3600 3,1,0 true