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nounone of a number of families into which Polypodiaceae has been subdivided in some classification systems
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Definition that contains dennstaedtiaceae
- 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)
- pteridium a genus of ferns belonging to the family Dennstaedtiaceae
- 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 pteridium a genus of ferns belonging to the family Dennstaedtiaceae