| Name | Grimmia arizonae Renauld & Cardot |
| Authorship | Renauld & Cardot |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Grimmia |
| Citation | 1892 Rev. Bryol. 19: 85, footnote |
| Holdings | 11 Specimens held in the Harvard University Herbaria identified as Grimmia arizonae Renauld & Cardot |
| Identification made in | [no date] (3), 1996 (3), 1998 (5) |