| Name | Macromitrium altituberculosum E. B. Bartram |
| Authorship | E. B. Bartram |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Macromitrium |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Macromitrium altituberculosum E. B. Bartram |
| Identification made in | [no date] (1) |