| Name | Bartramia longiseta Michaux |
| Authorship | Michaux |
| Rank | Species |
| Placed in | Bartramia Hedwig |
| Citation | 1803 Fl. Bor.-Amer. [Michaux] 2: 301 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Bartramia longiseta Michaux |
| Identification made in | [no date] (2) |