#family_Thelypteridaceae__Thelypteridaceae  genera Thelypteris; Phegopteris; others
  supertype:  #fern_family  families of ferns and fern allies
  member of:  #class_Filicopsida
  member:  #genus_Thelypteris__Thelypteris  marsh ferns: in some classification systems considered part of genus Dryopteris in family Dryopteridaceae
     member:  #marsh_fern__marshfern__thelypterispalustri__Dryopteris_thelypteris  fern having pinnatifid fronds and growing in wet places; cosmopolitan in north temperate regions
  member:  #genus_Amauropelta__Amauropelta  epiphytic or terrestrial ferns of America and Africa and Polynesia
  member:  #genus_Christella  medium to large terrestrial ferns of tropical forests of Old World to Americas
     member:  #christella  any of several tropical ferns of the genus Christella having thin brittle fronds
  member:  #genus_Cyclosorus__Cyclosorus  small genus of terrestrial ferns of tropical and subtropical southern hemisphere
  member:  #genus_Macrothelypteris__Macrothelypteris  medium to large terrestrial ferns of tropical Asia to Polynesia and Australia; naturalized in Americas
  member:  #genus_Meniscium__Meniscium  terrestrial ferns of tropical Americas
  member:  #genus_Oreopteris__Oreopteris  3 species of ferns formerly included in genus Dryopteris or Thelypteris
     member:  #mountain_fern__Oreopteris_limbosperma__Dryopteris_oreopteris  common European mountain fern having fragrant lemon or balsam scented fronds
  member:  #genus_Parathelypteris__Parathelypteris  terrestrial ferns of warm and tropical Asia and North America
     member:  #New_York_fern__Parathelypteris_novae-boracensis__Dryopteris_noveboracensis  slender shield fern of moist woods of eastern North America; sometimes placed in genus Dryopteris
     member:  #Massachusetts_fern__Parathelypteris_simulata__Thelypteris_simulata  delicate feathery shield fern of the eastern United States; sometimes placed in genus Thelypteris
  member:  #genus_Phegopteris__Phegopteris  beech ferns: genus is variously classified: considered alternative name for genus Dryopteris or included in genus Thelypteris
     member:  #beech_fern__beechfern  any fern of the genus Phegopteris having deeply cut triangular fronds

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