Astragalus lotiflorus Hook.  

Family: Fabaceae

low milkvetch

[Astragalus elatiocarpus E. Sheld., moreAstragalus lotiflorus var. nebraskensis Bates, Astragalus lotiflorus var. reverchonii (A. Gray) M.E. Jones, Astragalus reverchonii A. Gray, Batidophaca lotiflora (Hook.) Rydb., Batidophaca lotiflorus (Hook.) Rydb.]