| Name | Grimmia spiralis Hooker |
| Authorship | Hooker |
| Rank | Species |
| Placed in | Grimmia |
| Citation | 1826 Scott. Crypt. Fl. 4: 203 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Grimmia spiralis Hooker |
| Identification made in | [no date] (1) |
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