| Name | Grimmia catalinensis var. mutica E. B. Bartram |
| Authorship | E. B. Bartram |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Grimmia catalinensis E. B. Bartram |
| Citation | 1924 Bryologist 27: 62 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Grimmia catalinensis var. mutica E. B. Bartram |
| Identification made in | [no date] (1) |