| Name | Pottia arizonica Wareham |
| Authorship | Wareham |
| Rank | Species |
| Placed in | Pottia |
| Contains | Pottia arizonica var. mucronulata Wareham |
| Citation | 1939 [Jul 1939] Moss Fl. N. Amer. 1: 203 |
| Holdings | 9 Specimens held in the Harvard University Herbaria identified as Pottia arizonica Wareham |
| Identification made in | [no date] (9) |