| Name | Oenothera howardii M. E. Jones ex Prain |
| Authorship | M. E. Jones ex Prain |
| Rank | Species |
| Placed in | Oenothera Linnaeus |
| Citation | 1908 Index Kew. Suppl. 3: 121 |
| Holdings | 20 Specimens held in the Harvard University Herbaria identified as Oenothera howardii M. E. Jones ex Prain |
| Identification made in | [no date] (9), 1980 (11) |
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