| Name | Astragalus preussii var. laxiflorus A. Gray |
| Authorship | A. Gray |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Astragalus preussii A. Gray |
| GUID | urn:lsid:ipni.org:names:25466-2 |
| Citation | 1878 Proc. Amer. Acad. Arts 13: 369 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Astragalus preussii var. laxiflorus A. Gray |
| Identification made in | [no date] (2), 2002 (1) |