| Name | Astragalus castetteri Barneby |
| Authorship | Barneby |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Astragalus Linnaeus |
| GUID | urn:lsid:ipni.org:names:476688-1 |
| Citation | 1964 Mem. New York Bot. Gard. 13: 230 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Astragalus castetteri Barneby |
| Identification made in | [no date] (1), 1960 (1) |