| Name | Macromitrium rusbyanum E. Britton |
| Authorship | E. Britton |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Macromitrium |
| Citation | 1896 Bull. Torrey Bot. Club 23: 482 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Macromitrium rusbyanum E. Britton |
| Identification made in | 1965 (1), 2013 (1) |