| Name | Astragalus watsonii E. Sheldon |
| Authorship | E. Sheldon |
| Rank | Species |
| Placed in | Astragalus Linnaeus |
| Citation | 1894 Minnesota Bot. Stud. 1(1): 23 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Astragalus watsonii E. Sheldon |
| Identification made in | [no date] (2) |