Genus and Species 



Common Name 



Spartina pectinata Link 



Sporobolus cryptandrus (Torr.) A. Gray 



Stipa columbiana Macoun. 



Stipa comata Trin. & Rupr. 



Stipa viridula Trin. 



Forbs 



Achillea millefolium L. 

 Allium reticulatum M. Ownbey 

 Allium canadense L. 

 Ambrosia trifida L. 

 Ambrosia psilostachya DC. 

 Artemisia ludoviciana Nutt.* 

 Asclepias spp. L. 

 Aster ericoides L. 

 Aster spp. L. 



Bahia oppositifolia (Nutt.) DC. 

 Chrysopsis villosa (Pursh) Nutt. 

 Cirsium plattense (Rydb.) Cockll. 

 Comandra pallida (L.) Nutt. 

 Conyza canadensis (L.) Cronq. 

 Echinacea angustifolia DC. 

 Eriogonium spp. Michx. 

 Erysimum asperum (Nutt.) DC. 

 Grindelia squarrosa (Pursh) Dun. 

 Helianthus annuus L. 

 Kochia scoparia (L.) Schrad. 

 Lesquerella spp. S. Wats. 

 Liatris punctata Hook. 

 Medicago sativa L. 

 Melilotus officinalis (L.) Pall. 

 Opuntia polycantha Haw. 

 Paronychia jamesii T. & G. 

 Phlox hoodii Rich. 



Prairie cordgrass 



Sand dropseed 



Columbia needlegrass 



Needle-and-thread grass 



Green needlegrass 



Yarrow 



Wild onion 



Wild onion 



Giant ragweed 



Western ragweed 



Cudweed sagewort 



Milkweed 



White aster 



Wild aster 



Bahia 



Golden aster 



Platte thistle 



Comandra 



Horse-weed 



Purple eoneflower 



Wild buckwheat 



Western wallflower 



Curly-top gumweed 



Common sunflower 



Kochia 



Bladderpod 



Blazing-star 



Alfalfa 



Yellow sweetclover 



Plains pricklypear 



James' nailwort 



Hood's phlox 



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