| Name | Ephemerum mexicanum E. B. Bartram |
| Authorship | E. B. Bartram |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Ephemerum |
| Citation | 1925 Bryologist 28: 66 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Ephemerum mexicanum E. B. Bartram |
| Identification made in | [no date] (3) |