Synonyms
Cystium diphysum (A.Gray) Rydb.
Astragalus araneosus E.Sheld.
Astragalus palans var. araneosus (E.Sheld.) M.E.Jones
Cystium araneosum (E.Sheld.) Rydb.
Astragalus macdougalii E.Sheld.
Astragalus lentiginosus var. araneosus (E.Sheld.) Barneby
Astragalus diphysus var. albiflorus A.Gray
Cystium macdougalii (E.Sheld.) Rydb.
Astragalus lentiginosus var. wahweapensis S.L.Welsh
Astragalus lentiginosus var. macdougalii (E.Sheld.) M.E.Jones
Astragalus lentiginosus var. albiflorus (A.Gray) Schoener
Astragalus diphysus A.Gray
Tragacantha diphysa (A.Gray) Kuntze