| Name | Astragalus thompsonae S. Watson |
| Authorship | S. Watson |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Astragalus Linnaeus |
| Citation | 1875 Proc. Amer. Acad. Arts 10: 344 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Astragalus thompsonae S. Watson |
| Identification made in | [no date] (4) |