- Polypodiaceae, 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)
--1 is a kind of fern family
--1 is a member of Filicales, order Filicales, Polypodiales, order Polypodiales
--1 has members: