| Name | Astragalus pycnostachyus A. Gray |
| Authorship | A. Gray |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Astragalus Linnaeus |
| Contains | Astragalus pycnostachyus var. lanosissimus (Rydberg) Munz & McBurney |
| GUID | urn:lsid:ipni.org:names:479451-1 |
| Citation | 1865 Proc. Amer. Acad. Arts 6: 526 |
| Holdings | 19 Specimens held in the Harvard University Herbaria identified as Astragalus pycnostachyus A. Gray |
| Identification made in | [no date] (19) |