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nounalternative names for one of a number of families into which the family Polypodiaceae has been subdivided in some classification systemstype of:
Definition that contains dryopteridaceae
- polypodiaceae ferns: 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)
- thelypteris marsh ferns: in some classification systems considered part of genus Dryopteris in family Dryopteridaceae
- family polypodiaceae ferns: 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)
- genus thelypteris marsh ferns: in some classification systems considered part of genus Dryopteris in family Dryopteridaceae