| Ctenophyllum grayi (Parry ex S.Watson) Rydb. | Astragalus grayi Parry ex S.Watson |
| Ctenophyllum pectinatum (Hook.) Rydb. | Astragalus pectinatus (Hook.) Douglas ex G.Don trib. Galegeae |
| Ctenophyllum grayi (Parry ex S.Watson) Rydb. | Astragalus grayi Parry ex S.Watson |
| Ctenophyllum pectinatum (Hook.) Rydb. | Astragalus pectinatus (Hook.) Douglas ex G.Don trib. Galegeae |