| Name | Didymodon rigidulus Hedwig |
| Authorship | Hedwig |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Didymodon |
| Contains | Didymodon rigidulus var. gracilis (Schleicher ex Hooker & Greville) R. H. Zander Didymodon rigidulus var. subulatus (Thériot & E. B. Bartram ex E. B. Bartram) R. H. Zander |
| Holdings | 57 Specimens held in the Harvard University Herbaria identified as Didymodon rigidulus Hedwig |
| Identification made in | [no date] (56), 1991 (1) |