| Name | Astragalus haydenianus A. Gray |
| Authorship | A. Gray |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Astragalus Linnaeus |
| Contains | Astragalus haydenianus var. nevadensis M. E. Jones |
| GUID | urn:lsid:ipni.org:names:477760-1 |
| Citation | 1876 Bull. Geol. Geogr. Surv. Territories 2: 235 |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Astragalus haydenianus A. Gray |
| Identification made in | [no date] (3), 2009 (2) |