| Name | Mnium thomsonii Schimper |
| Authorship | Schimper |
| Rank | Species |
| Placed in | Mnium Hedwig |
| Citation | 1876 Syn. Musc. Eur., ed. 2 485 |
| Holdings | 13 Specimens held in the Harvard University Herbaria identified as Mnium thomsonii Schimper |
| Identification made in | [no date] (13) |