Definition that contains polypod
- genus pellaea genus of chiefly small rock-loving ferns; in some classification systems it is placed in the family Polypodiaceae or Adiantaceae
- genus polypodium a genus of ferns belonging to the family Polypodiaceae and having rounded naked sori
- family adiantaceae used in some classification systems for some genera of the family Polypodiaceae (or Pteridaceae)
- genus dennstaedtia chiefly terrestrial ferns; in some classification systems placed in family Polypodiaceae
- cystopteris chiefly small perennial rock ferns: bladder ferns; in some classifications placed in Polypodiaceae
- genus acrostichum in some classification systems placed in family Polypodiaceae
- pteretis small genus sometimes included in genus Onoclea; in some classifications both genera are placed in Polypodiaceae
- cryptogramma sometimes placed in family Polypodiaceae or Cryptogrammataceae
- oleandraceae one of a number of families into which Polypodiaceae has been subdivided in some classification systems
- family davalliaceae one of a number of families into which Polypodiaceae has been subdivided in some classification systems