| Orophaca aretioides | Astragalus aretioides (M.E.Jones) Barneby |
| Orophaca argophylla | Astragalus gilviflorus E.Sheld. trib. Galegeae |
| Orophaca barrii | Astragalus barrii Barneby trib. Galegeae |
| Orophaca caespitosa | Astragalus spatulatus E.Sheld. |
| Orophaca hyalina | Astragalus hyalinus M.E.Jones |
| Orophaca proimantha (Barneby) Isely | Astragalus proimanthus Barneby |
| Orophaca sericea | Astragalus sericoleucus A.Gray trib. Galegeae |
| Orophaca tridactylica | Astragalus tridactylicus A.Gray trib. Galegeae |