| Name | Grimmia tenuis T. Barker ex G. Roth |
| Authorship | T. Barker ex G. Roth |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Grimmia |
| Citation | 1905 Eur. Laubm. 2: 691 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Grimmia tenuis T. Barker ex G. Roth |
| Identification made in | [no date] (1) |