| Name | Grimmia atricha Müller (of Halle) & Kindberg |
| Authorship | Müller (of Halle) & Kindberg |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Grimmia |
| Citation | 1892 Cat. Canad. Pl., Musci 6: 65 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Grimmia atricha Müller (of Halle) & Kindberg |
| Identification made in | [no date] (1) |
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