| Name | Ptychomitrium brevisetum Dixon ex Sakurai |
| Authorship | Dixon ex Sakurai |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Ptychomitrium |
| Citation | 1939 Bot. Mag. (Tokyo) 53: 248 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Ptychomitrium brevisetum Dixon ex Sakurai |
| Identification made in | [no date] (1) |