| Name | Barbula eustegia Cardot & Thériot |
| Authorship | Cardot & Thériot |
| Rank | Species |
| Placed in | Barbula |
| Citation | 1900 Bot. Gaz. 30: 17 |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Barbula eustegia Cardot & Thériot |
| Identification made in | [no date] (5) |