| genus Cystopteris 
 
 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
 
 
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