| Name | Mittenothamnium diminutivum (Hampe) E. Britton |
| Authorship | (Hampe) E. Britton |
| Rank | Species |
| Placed in | Mittenothamnium |
| Citation | 1914 Bryologist 17: 9 |
| Holdings | 23 Specimens held in the Harvard University Herbaria identified as Mittenothamnium diminutivum (Hampe) E. Britton |
| Identification made in | [no date] (23) |