| Name | Astragalus microcymbus Barneby |
| Authorship | Barneby |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Astragalus Linnaeus |
| GUID | urn:lsid:ipni.org:names:478649-1 |
| Citation | 1949 Amer. Midl. Naturalist 41: 499 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Astragalus microcymbus Barneby |
| Identification made in | [no date] (2), 1946 (1), 1979 (1) |