| Polypodium mickelii de la Sota, 1966 |
| Polypodium microdontum Desv., 1811 |
| Polypodium microgrammoides Mickel & A.R. Sm., 2000 |
| Polypodium minusculum Maxon, 1909 |
| Polypodium mitchelliae Baker, 1885 |
| Polypodium mollissimum Fée, 1866 |
| Polypodium moniliforme Lag. ex Sw., 1806 |
| Polypodium moniliforme var. majus Liebm., 1849 |
| Polypodium montigenum Maxon, 1938 |
| Polypodium muenchii Christ, 1903 |
| Polypodium muricatum L., 1753 |
| Polypodium nesioticum Maxon, 1905 |
| Polypodium nivosum Fée, 1857 |
| Polypodium obliteratum Sw., 1788 |
| Polypodium oligocarpum Humb. & Bonpl. ex Willd., 1810 |
| Polypodium olivaceum Liebm., 1849 |
| Polypodium olivaceum var. elatum Liebm., 1849 |
| Polypodium oulolepis Fée, 1857 |
| Polypodium pachyrhizon Christ, 1910 |
| Polypodium palmeri Maxon, 1916 |