| Fabaceae |
|
Astragalus hornii
| A. Gray | Proc. Amer. Acad. Arts 7: 398 | 1868 |
| Fabaceae |
|
Astragalus hornii var. bahaeensis
| M.E. Jones | Contr. W. Bot. 10: 62 | 1902 |
| Fabaceae |
|
Astragalus hornii var. bajaensis
| (E. Sheld.) M.E. Jones | Contr. W. Bot. 10: 62 | 1902 |
| Fabaceae |
|
Astragalus hornii var. hornii
| | | |
| Fabaceae |
|
Astragalus hornii var. minutiflorus
| M.E. Jones | Proc. Calif. Acad. Sci., ser. 2, 5(18): 677 | 1895 |
| Fabaceae |
|
Astragalus hornii var. tularensis
| (Rydb.) Jeps. | Fl. Calif. 2(4): 354 | 1936 |