| 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) | 
