| Name | Grimmia perplexa Thériot |
| Authorship | Thériot |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Grimmia |
| Citation | 1923 Revista Chilena Hist. Nat. 27: 11 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Grimmia perplexa Thériot |
| Identification made in | [no date] (2) |