| Name | Leptodictyum vacillans (Sullivant) Brotherus |
| Authorship | (Sullivant) Brotherus |
| Rank | Species |
| Placed in | Leptodictyum (Schimper) Warnstorf |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Leptodictyum vacillans (Sullivant) Brotherus |
| Identification made in | [no date] (2) |