| Name | Mitthyridium louisiadum (Brotherus) H. K. Nowak |
| Authorship | (Brotherus) H. K. Nowak |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Mitthyridium |
| Citation | 1980 Bryophyt. Biblioth. 20: 93 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Mitthyridium louisiadum (Brotherus) H. K. Nowak |
| Identification made in | 1980 (4) |