: 1.21 $ 2026-04-12T20:37:08-7:00 http://www.rmh.uwyo.edu//data/downloadxml.php 18.97.9.174 search

RM USFS 491066 Asclepias cf. syriaca physical specimen Apocynaceae Asclepias syriaca L. 57 Roger R. Kerbs 1967 8 28 240 U.S.A. South Dakota Custer Buffalo Gap Expt Area; along road just E of Folsom church. -102.8562 43.8218 1 868 On 5% south slope; rocky clay soil; ditch bottom in grassland with Agropyron smithii, Bromus japonicus, La[tuca] se[rriola], and Scpa. Filed in indet folder: flowers needed for identification. Phenology: fruiting. RM RM 117207 Asclepias syriaca physical specimen Apocynaceae Asclepias syriaca L. 189 Wilhelm G. Solheim O. A. Stevens 1929 7 4 185 U.S.A. North Dakota Cass Kindred. Dry roadside. Phenology: flowering. RM RM 133825 Asclepias syriaca physical specimen Apocynaceae Asclepias syriaca L. 189 Wilhelm G. Solheim O. A. Stevens 1929 7 4 185 U.S.A. North Dakota Cass Kindred. Roadside ditch. Phenology: flowering. RM RM Asclepias syriaca physical specimen Apocynaceae Asclepias syriaca L. 587 W. C. Knight U.S.A. Nebraska Gage Phenology: flowering. RM RM 238574 Asclepias syriaca physical specimen Apocynaceae Asclepias syriaca L. s.n. Harry Hapeman 1893 7 182 U.S.A. Nebraska Kearney Minden. Phenology: flowering. RM RMRS 587 Asclepias syriaca physical specimen Apocynaceae Asclepias syriaca L. s. n. W. C. Knight U.S.A. Nebraska Gage Phenology: flowering. 3600 3,1,0 true