| Name | Oenothera spachiana Torrey & A. Gray |
| Authorship | Torrey & A. Gray |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Oenothera Linnaeus |
| GUID | urn:lsid:ipni.org:names:173410-2 |
| Citation | 1840 Fl. N. Amer. [Torr. & A. Gray] 1: 498 |
| Holdings | 28 Specimens held in the Harvard University Herbaria identified as Oenothera spachiana Torrey & A. Gray |
| Identification made in | [no date] (16), 1976 (12) |