| Name | Oenothera americanum Haussknecht |
| Authorship | Haussknecht |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Oenothera Linnaeus |
| Citation | 1879 Oesterr. Bot. Z. 29: 118 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Oenothera americanum Haussknecht |
| Identification made in | [no date] (1) |
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