#genus_Hymenophyllum__Hymenophyllum  type genus of the Hymenophyllaceae: filmy ferns
  supertype:  fern_genus  genera of ferns and fern allies
  member of:  family_Hymenophyllaceae
  member:  filmy_fern__filmyfern__film_fern  any fern of the genus Hymenophyllum growing in tropical humid regions and having translucent leaves

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