Definition that contains polypod
- genus scolopendrium a genus of ferns belonging to the family Polypodiaceae (in some classification systems included in genus Asplenium)
- dennstaedtia chiefly terrestrial ferns; in some classification systems placed in family Polypodiaceae
- athyriaceae alternative names for one of a number of families into which the family Polypodiaceae has been subdivided in some classification systems
- genus nephrolepis small genus of tropical ferns; sometimes placed in Polypodiaceae
- genus blechnum in some classification systems placed in family Polypodiaceae; terrestrial ferns of cosmopolitan distribution mainly in southern hemisphere: hard ferns
- genus cyrtomium small genus of tropical Asiatic greenhouse ferns; in some classifications placed in Polypodiaceae
- woodwardia in some classification systems placed in family Polypodiaceae: chain ferns
- family parkeriaceae coextensive with the genus Ceratopteris; sometimes included in family Polypodiaceae
- polypodium a genus of ferns belonging to the family Polypodiaceae and having rounded naked sori
- dryopteris large widespread genus of medium-sized terrestrial ferns; in some classification systems placed in Polypodiaceae