| Name | Macromitrium fragilifolium Dixon |
| Authorship | Dixon |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Macromitrium |
| Citation | 1932 Ann. Bryol. 5: 28 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Macromitrium fragilifolium Dixon |
| Identification made in | [no date] (1) |