| Name | Grimmia symphyodonta Müller Halle |
| Authorship | Müller Halle |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Grimmia |
| Citation | 1849 Syn. Musc. Frond. 1: 809 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Grimmia symphyodonta Müller Halle |
| Identification made in | 2024 (2) |