| Name | Didymodon tophaceus (Bridel) Lisa |
| Authorship | (Bridel) Lisa |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Didymodon |
| Contains | Didymodon tophaceus f. ligulifolius (G. Roth) Margadant |
| Holdings | 110 Specimens held in the Harvard University Herbaria identified as Didymodon tophaceus (Bridel) Lisa |
| Identification made in | [no date] (107), 1986 (1), 2006 (1), 2016 (1) |