| Name | Isothecium subdiversiforme Brotherus |
| Authorship | Brotherus |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Isothecium |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Isothecium subdiversiforme Brotherus |
| Identification made in | [no date] (1) |