noun
chiefly small perennial rock ferns: bladder ferns; in some classifications placed in Polypodiaceae
• Syn: ↑Cystopteris
• Hypernyms: ↑fern genus
• Member Holonyms: ↑Dryopteridaceae, ↑family Dryopteridaceae, ↑Athyriaceae, ↑family Athyriaceae
• Member Meronyms: ↑bladder fern
Useful english dictionary. 2012.