| Name | Polypodium japonicum (Franchet & Savatier) Maxon |
| Authorship | (Franchet & Savatier) Maxon |
| Rank | Species |
| Placed in | Polypodium Linnaeus |
| Citation | 1902 Fern Bull. 10: 42 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Polypodium japonicum (Franchet & Savatier) Maxon |
| Identification made in | [no date] (1) |