| Name | Gymnomitrion obtusum (Lindberg) Pearson |
| Authorship | (Lindberg) Pearson |
| Rank | Species |
| Placed in | Gymnomitrion Corda |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Gymnomitrion obtusum (Lindberg) Pearson |
| Identification made in | [no date] (5) |