| Name | Astragalus villosus Michaux |
| Authorship | Michaux |
| Rank | Species |
| Placed in | Astragalus Linnaeus |
| Citation | 1803 Fl. Bor.-Amer. [Michaux] 2: 67 |
| Holdings | 35 Specimens held in the Harvard University Herbaria identified as Astragalus villosus Michaux |
| Identification made in | [no date] (35) |