| Name | Thelypteris underwoodiana (Maxon) Proctor |
| Authorship | (Maxon) Proctor |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Thelypteris Schmidel |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Thelypteris underwoodiana (Maxon) Proctor |
| Identification made in | 2010 (1) |