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nounferns: a large family that in some classification systems has been subdivided into several families (including Aspleniaceae and Blechnaceae and Davalliaceae and Dennstaedtiaceae and Dryopteridaceae and Oleandraceae and Pteridaceae)
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Definition that contains polypodiaceae
- cryptogrammataceae one of a number of families into which the family Polypodiaceae has been subdivided in some classification systems
- davalliaceae one of a number of families into which Polypodiaceae has been subdivided in some classification systems
- genus pteris large genus of terrestrial ferns of tropics and subtropics; sometimes placed in family Polypodiaceae
- aspleniaceae one of a number of families into which Polypodiaceae has been subdivided in some classification systems; includes genera Asplenium, Pleurosorus, Schaffneria
- genus matteuccia small genus sometimes included in genus Onoclea; in some classifications both genera are placed in Polypodiaceae
- genus athyrium temperate and tropical lady ferns; in some classifications placed in family Polypodiaceae or in the genus Asplenium
- polystichum small to medium-sized terrestrial ferns especially holly ferns; in some classification systems placed in Polypodiaceae
- family davalliaceae one of a number of families into which Polypodiaceae has been subdivided in some classification systems
- family oleandraceae one of a number of families into which Polypodiaceae has been subdivided in some classification systems
- dryopteridaceae alternative names for one of a number of families into which the family Polypodiaceae has been subdivided in some classification systems