| Name | Warnstorfia exannulata (Schimper) Loeske |
| Authorship | (Schimper) Loeske |
| Rank | Species |
| Placed in | Warnstorfia |
| Citation | 1907 Hedwigia 46: 310 |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Warnstorfia exannulata (Schimper) Loeske |
| Identification made in | [no date] (5), 2016 (1) |