| Name | Didymodon trifarius (Hedwig) Röhling |
| Authorship | (Hedwig) Röhling |
| Rank | Species |
| Placed in | Didymodon |
| Citation | 1813 Deutschl. Fl. (Roehling), ed. 2, Kryptog. Gew. 3: 56 |
| Holdings | 18 Specimens held in the Harvard University Herbaria identified as Didymodon trifarius (Hedwig) Röhling |
| Identification made in | [no date] (18) |