| Name | Mnium rostratum var. ligulatum Herzog |
| Authorship | Herzog |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Mnium rostratum Schrader |
| Citation | 1916 Biblioth. Bot. 87: 88 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Mnium rostratum var. ligulatum Herzog |
| Identification made in | [no date] (1) |