| Name | Macromitrium altipapillosum E. B. Bartram |
| Authorship | E. B. Bartram |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Macromitrium |
| Citation | 1942 Lloydia 5: 272 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Macromitrium altipapillosum E. B. Bartram |
| Identification made in | [no date] (2), 1986 (1) |