| Name | Oenothera pallida subsp. trichocalyx (Nuttall) Munz & W.M. Klein |
| Authorship | (Nuttall) Munz & W.M. Klein |
| Rank | Subspecies |
| Placed in | Oenothera pallida Lindley |
| Citation | 1965 N. Amer. Fl. series 2 5: 119 |
| Holdings | 20 Specimens held in the Harvard University Herbaria identified as Oenothera pallida subsp. trichocalyx (Nuttall) Munz & W.M. Klein |
| Identification made in | [no date] (2), 1929 (1), 1961 (16), 1990 (1) |
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