Astragalus tegetarioides var. anxius (Meinke & Kaye) S.L.Welsh
Astragalus tegetarioides var. tegetarioides
Astragalus tegetarioides var. anxius is treated by other sources as the full species Astragalus anxius, in which case A. tegetarioides is native only to Oregon and A. anxius to California.[4]
^Meinke, Robert J.; Kaye, Thomas N. (1992), "Taxonomic assessment of Astragalus tegetarioides (Fabaceae) and a new related species from northern California", Madroño, 39 (3): 193–204, JSTOR41424908