| Name | Astragalus callithrix Barneby |
| Authorship | Barneby |
| Rank | Species |
| Placed in | Astragalus Linnaeus |
| Citation | 1942 Leafl. W. Bot. 3(5): 103 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Astragalus callithrix Barneby |
| Identification made in | [no date] (2) |