| Name | Barbula johansenii R. S. Williams |
| Authorship | R. S. Williams |
| Rank | Species |
| Placed in | Barbula |
| Citation | 1921 Rep. Canad. Arctic Exped., Vasc. Pl. 4(E): 4 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Barbula johansenii R. S. Williams |
| Identification made in | [no date] (1) |