| Name | Thelypteris arcana (Maxon & Morton) Morton |
| Authorship | (Maxon & Morton) Morton |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Thelypteris Schmidel |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Thelypteris arcana (Maxon & Morton) Morton |
| Identification made in | [no date] (1) |