| Name | Astragalus mollissimus var. thompsonae (S. Watson) Barneby |
| Authorship | (S. Watson) Barneby |
| Rank | Variety |
| NomenclaturalStatus | Unknown |
| Placed in | Astragalus mollissimus Torrey |
| Holdings | 20 Specimens held in the Harvard University Herbaria identified as Astragalus mollissimus var. thompsonae (S. Watson) Barneby |
| Identification made in | [no date] (20) |