| Name | Thelypteris fadenii Fosberg & Sachet |
| Authorship | Fosberg & Sachet |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Thelypteris Schmidel |
| Citation | 1972 Smithsonian Contr. Bot. 8: 9 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Thelypteris fadenii Fosberg & Sachet |
| Identification made in | [no date] (1) |