| Name | Barbula muelleri Bruch & Schimper |
| Authorship | Bruch & Schimper |
| Rank | Species |
| Placed in | Barbula |
| Citation | 1842 Bryol. Eur. 2: 106. 168 (fasc. 13–15 Mon. 44. 28) |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Barbula muelleri Bruch & Schimper |
| Identification made in | [no date] (1) |