Noun genus hymenophyllum has 1 sense
  1. Hymenophyllum, genus Hymenophyllum - type genus of the Hymenophyllaceae: filmy ferns
    --1 is a kind of fern genus
    --1 is a member of Hymenophyllaceae, family Hymenophyllaceae
    --1 has members: filmy fern, film fern
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