| Name | Barbula insulana (De Notaris) Mitten |
| Authorship | (De Notaris) Mitten |
| Rank | Species |
| Placed in | Barbula |
| Citation | 1864 J. Proc. Linn. Soc., Bot. 8: 27 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Barbula insulana (De Notaris) Mitten |
| Identification made in | [no date] (2) |