| Name | Astragalus sesquiflorus S. Watson |
| Authorship | S. Watson |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Astragalus Linnaeus |
| GUID | urn:lsid:ipni.org:names:25608-2 |
| Citation | 1875 Proc. Amer. Acad. Arts 10: 345 |
| Holdings | 8 Specimens held in the Harvard University Herbaria identified as Astragalus sesquiflorus S. Watson |
| Identification made in | [no date] (8) |