| Name | Hypnum trifarium F. Weber & D. Mohr |
| Authorship | F. Weber & D. Mohr |
| Rank | Species |
| Placed in | Hypnum Hedwig |
| Citation | 1804 Naturh. Reise Schwedens 177 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Hypnum trifarium F. Weber & D. Mohr |
| Identification made in | [no date] (2) |