| Name | Vernonia lettermani Engelmann ex A. Gray |
| Authorship | Engelmann ex A. Gray |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Vernonia Schreber |
| Citation | 1880 Proc. Amer. Acad. Arts 16: 78 |
| Holdings | 9 Specimens held in the Harvard University Herbaria identified as Vernonia lettermani Engelmann ex A. Gray |
| Identification made in | [no date] (9) |
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