| Name | Oenothera deltoides var. piperi Munz |
| Authorship | Munz |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Oenothera deltoides Torrey & Fremont |
| GUID | urn:lsid:ipni.org:names:172936-2 |
| Citation | 1931 Amer. J. Bot. 18: 314 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Oenothera deltoides var. piperi Munz |
| Identification made in | [no date] (1) |