| Name | Grimmia apocarpa var. rivularis (Bridel) Nees & Hornschuch |
| Authorship | (Bridel) Nees & Hornschuch |
| Rank | Variety |
| Placed in | Grimmia apocarpa Hedwig |
| Citation | 1827 Bryol. Germ. 2(1): 101 |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Grimmia apocarpa var. rivularis (Bridel) Nees & Hornschuch |
| Identification made in | [no date] (6) |
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