Noun genus cystopteris has 1 sense
  1. Cystopteris, genus Cystopteris - chiefly small perennial rock ferns: bladder ferns; in some classifications placed in Polypodiaceae
    --1 is a kind of fern genus
    --1 is a member of
     Dryopteridaceae, family Dryopteridaceae, Athyriaceae, family Athyriaceae
    --1 has members: bladder fern
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