| Name | Jungermannia cognata Hooker f. & Taylor |
| Authorship | Hooker f. & Taylor |
| Rank | Species |
| NomenclaturalStatus | LaterHomonym |
| Placed in | Jungermannia Linnaeus |
| Remarks | nom. illeg. (Art. 64.1) |
| Citation | 1844 London J. Bot. 3: 372 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Jungermannia cognata Hooker f. & Taylor |
| Identification made in | [no date] (1) |