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Definition of Genus Cystopteris
1. Noun. Chiefly small perennial rock ferns: bladder ferns; in some classifications placed in Polypodiaceae. 
Exact synonyms: Cystopteris
Generic synonyms: Fern Genus
Group relationships: Athyriaceae, Dryopteridaceae, Family Athyriaceae, Family Dryopteridaceae
Member holonyms: Bladder Fern
Generic synonyms: Fern Genus
Group relationships: Athyriaceae, Dryopteridaceae, Family Athyriaceae, Family Dryopteridaceae
Member holonyms: Bladder Fern



