| Polypodium flabelliforme Poir., 1804 |
| Polypodium fragile L., 1753 |
| Polypodium fraternum Schltdl. & Cham., 1830 |
| Polypodium fraxinifolium Jacq., 1789 |
| Polypodium fulvum M. Martens & Galeotti, 1842 |
| Polypodium furfuraceum Schltdl. & Cham., 1830 |
| Polypodium furfuraceum var. coronulatum E. Fourn., 1872 |
| Polypodium furfuraceum var. rufum E. Fourn., 1872 |
| Polypodium fuscopetiolatum A.R. Sm., 1980 |
| Polypodium galeottii M. Martens, 1842 |
| Polypodium ghiesbreghtii D.C. Eaton, 1873 |
| Polypodium glaberulum Mickel & Beitel, 1988 |
| Polypodium glanduliferum Liebm., 1849 |
| Polypodium glaucinum M. Martens & Galeotti, 1842 |
| Polypodium glaucum Sw., 1788 |
| Polypodium globuliferum Poir., 1804 |
| Polypodium griseum Liebm., 1849 |
| Polypodium guadalupense Wikstr., 1826 |
| Polypodium guatemalense Hook., 1864 |
| Polypodium guilleminianum E. Fourn., 1872 |