| Name | Didymodon fragilis Hooker & Wilson |
| Authorship | Hook. & Wilson |
| Rank | Species |
| Placed in | Didymodon |
| Citation | 1828 Musci Amer. 127 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Didymodon fragilis Hooker & Wilson |
| Identification made in | [no date] (1) |