| Polypodium liebmannii C. Chr., 1906 |
| 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 |
| Polypodium lowei C. Chr., 1906 |
| Polypodium lycopodioides L., 1753 |
| Polypodium macrocarpum Bory ex Willd., 1810 |
| Polypodium madrense J. Sm., 1856 |
| Polypodium margallii Rovirosa, 1909 |
| Polypodium martensii Mett., 1857 |
| Polypodium melanostictum Kunze ex Klotzsch, 1834 |
| Polypodium meniscioides Liebm., 1849 |
| Polypodium mickelii de la Sota, 1966 |
| Polypodium microdontum Desv., 1811 |
| Polypodium microgrammoides Mickel & A.R. Sm., 2000 |
| Polypodium minusculum Maxon, 1909 |