| Name | Thelypteris phegopteris (Linnaeus) Slosson |
| Authorship | (Linnaeus) Slosson |
| Rank | Species |
| Placed in | Thelypteris Schmidel |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Thelypteris phegopteris (Linnaeus) Slosson |
| Identification made in | [no date] (4) |