Synonyms
Astragalus viridis var. elatus (S.Watson) Cockerell
Astragalus viridis var. impensus E.Sheld.
Kentrophyta impensa (E.Sheld.) Rydb.
Astragalus kentrophyta var. elatus S.Watson
Astragalus impensus (E.Sheld.) Wooton & Standl.
Astragalus tegetarius var. elatus (S.Watson) Barneby