| Name | Polypodium americanum Hooker |
| Authorship | Hooker |
| Rank | Species |
| Placed in | Polypodium Linnaeus |
| Citation | 1863 Sp. Fil. 5: 54 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Polypodium americanum Hooker |
| Identification made in | 2017 (1) |