| Name | Weissia fallax Sehlmeyer |
| Authorship | Sehlmeyer |
| Rank | Species |
| Placed in | Weissia Hedwig |
| Citation | 1820 Flora 3: 639 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Weissia fallax Sehlmeyer |
| Identification made in | [no date] (2) |