| Name | Chaetomitrium perarmatum Brotherus |
| Authorship | Brotherus |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Chaetomitrium |
| Citation | 1926 Philipp. J. Sci. 31: 290 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Chaetomitrium perarmatum Brotherus |
| Identification made in | [no date] (1) |