| Name | Ophioglossum engelmanni Prantl |
| Authorship | Prantl |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Ophioglossum Linnaeus |
| Citation | 1883 Ber. Deutsch. Bot. Ges. 1: 351 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Ophioglossum engelmanni Prantl |
| Identification made in | [no date] (2) |