| Name | Grimmia californica Sullivant |
| Authorship | Sullivant |
| Rank | Species |
| Placed in | Grimmia |
| Citation | 1856 Pacific Railr. Rep. 4, Pt. 5, No. 5 (Whipple) 4(5): 187. 4 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Grimmia californica Sullivant |
| Identification made in | [no date] (3) |