Noun filmy fern has 2 senses
  1. bristle fern, filmy fern - any fern of the genus Trichomanes having large pinnatifid often translucent fronds; most are epiphytic on tree branches and twigs or terrestrial on mossy banks
    --1 is a kind of fern
    --1 is a member of Trichomanes, genus Trichomanes
    --1 has particulars:
     hare's-foot bristle fern, Trichomanes boschianum; Killarney fern, Trichomanes speciosum; kidney fern, Trichomanes reniforme
  2. filmy fern, film fern - any fern of the genus Hymenophyllum growing in tropical humid regions and having translucent leaves
    --2 is a kind of fern
    --2 is a member of Hymenophyllum, genus Hymenophyllum
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