| Name | Oxytropis nigrescens var. uniflora (Hooker) Barneby |
| Authorship | (Hooker) Barneby |
| Rank | Variety |
| NomenclaturalStatus | Unknown |
| Placed in | Oxytropis nigrescens Fischer ex de Candolle |
| GUID | urn:lsid:ipni.org:names:179661-2 |
| Holdings | 30 Specimens held in the Harvard University Herbaria identified as Oxytropis nigrescens var. uniflora (Hooker) Barneby |
| Identification made in | [no date] (29), 1991 (1) |