| Name | Grimmia donniana Smith |
| Authorship | Smith |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Grimmia |
| Citation | 1804 Engl. Bot. [Smith & Sowerby] 18: 1259 |
| Holdings | 199 Specimens held in the Harvard University Herbaria identified as Grimmia donniana Smith |
| Identification made in | [no date] (195), 2016 (3), 2018 (1) |