| Polypodium jungermannioides Klotzsch, 1847 |
| Polypodium karstenianum Klotzsch, 1847 |
| Polypodium karwinskyanum (C. Presl) A. Braun ex Kunze, 1850 |
| Polypodium lanceolatum L., 1753 |
| Polypodium lanceolatum var. trichophorum Weath., 1922 |
| Polypodium laxifrons Liebm., 1849 |
| Polypodium lepidotrichum (Fée) Maxon, 1916 |
| Polypodium leptophyllum L., 1753 |
| Polypodium leptostomum Fée, 1857 |
| Polypodium lesourdianum E. Fourn., 1872 |
| Polypodium leucosticton Kunze ex Klotzsch, 1847 |
| Polypodium liebmannii C. Chr., 1906 |
| Polypodium ligustifolium Poir., 1804 |
| Polypodium limulum Christ, 1909 |
| Polypodium lindenianum Kunze, 1851 |
| Polypodium litigiosum Liebm., 1849 |
| Polypodium lobatum Rich. ex Willd., 1810 |
| Polypodium longicaudatum Liebm., 1849 |
| Polypodium longipinnulatum E. Fourn., 1872 |
| Polypodium loriceum L., 1753 |