Noun genus gymnocarpium has 1 sense
  1. Gymnocarpium, genus Gymnocarpium - oak ferns: in some classification systems included in genus Thelypteris
    --1 is a kind of fern genus
    --1 is a member of
     Dryopteridaceae, family Dryopteridaceae, Athyriaceae, family Athyriaceae
    --1 has members: oak fern, Gymnocarpium dryopteris, Thelypteris dryopteris
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