Synonyms
Astragalus metanus M.E.Jones
Phaca palmeri (A.Gray) Rydb.
Astragalus palmeri var. johnstonii (Munz & McBride) Barneby
Phaca vaseyi (S.Watson) Rydb.
Astragalus vaseyi S.Watson
Astragalus vaseyi var. metanus (M.E.Jones) Munz & McBurney
Astragalus vaseyi var. johnstonii Munz & McBride
Phaca metana (M.E.Jones) Rydb.
Tragacantha palmeri (A.Gray) Kuntze