| Name | Mnium medium Bruch & Schimper |
| Authorship | Bruch & Schimper |
| Rank | Species |
| Placed in | Mnium Hedwig |
| Citation | 1838 Bryol. Eur. 4: 196. pl. 398: medium (fasc. 5. Monogr. 32. pl. 10: medium). |
| Holdings | 7 Specimens held in the Harvard University Herbaria identified as Mnium medium Bruch & Schimper |
| Identification made in | [no date] (7) |