fern genus - genera of ferns and fern allies

family Polypodiaceae, 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)

Cyclophorus lingua, felt fern, Pyrrosia lingua, tongue fern - east Asian fern having fronds shaped like tongues; sometimes placed in genus Cyclophorus