1 definition found From WordNet (r) 2.0 [wn]: Polypodiaceae noun: 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) [syn: {family Polypodiaceae}]

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