| Name | Mnium marginatum (Dickson) P. Beauvois |
| Authorship | (Dickson) P. Beauvois |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Mnium Hedwig |
| Contains | Mnium marginatum var. riparium (Mitten) Husnot |
| Citation | 1805 Prodr. Aethéogam. 75 |
| Holdings | 103 Specimens held in the Harvard University Herbaria identified as Mnium marginatum (Dickson) P. Beauvois |
| Identification made in | [no date] (102), 2018 (1) |