#family_Dryopteridaceae__Dryopteridaceae__Athyriaceae__family_Athyriaceae  alternative names for one of a number of families into which the family Polypodiaceae has been subdivided in some classification systems
  supertype:  #fern_family  families of ferns and fern allies
  member of:  #class_Filicopsida
  member:  #shield_fern__buckler_fern__bucklerfern  any of various ferns of the genera Dryopteris or Polystichum or Lastreopsis having somewhat shield-shaped coverings on the sori
  member:  #genus_Dryopteris__Dryopteris  large widespread genus of medium-sized terrestrial ferns; in some classification systems placed in Polypodiaceae
     member:  #broad_buckler-fern__broadbucklerfern__Dryopteris_dilatata  European shield fern
     member:  #wood_fern__wood-fern  any of various ferns of the genus Dryopteris
  member:  #genus_Athyrium__Athyrium  temperate and tropical lady ferns; in some classifications placed in family Polypodiaceae or in the genus Asplenium
     member:  #lady_fern__Athyrium_filix-femina  most widely grown fern of the genus Athyrium for its delicate foliage
     member:  #glade_fern__gladefern__silvery_spleenwort__silveryspleenwort__narrow-leaved_spleenwort__Athyrium_pycnocarpon__Diplazium_pycnocarpon  North American fern with narrow fronds on yellowish leafstalks
  member:  #genus_Cyrtomium__Cyrtomium  small genus of tropical Asiatic greenhouse ferns; in some classifications placed in Polypodiaceae
  member:  #genus_Cystopteris__Cystopteris  chiefly small perennial rock ferns: bladder ferns; in some classifications placed in Polypodiaceae
     member:  #bladder_fern__bladderfern  any fern of the genus Cystopteris characterized by a hooded indusium or bladderlike membrane covering the sori
  member:  #genus_Deparia__Deparia  classification used for 5 species of terrestrial ferns usually placed in other genera
     member:  #silvery_spleenwort__silveryspleenwort__Deparia_acrostichoides__Athyrium_thelypteroides  fern with elongate silvery outgrowths enclosing the developing spores
  member:  #genus_Diacalpa__Diacalpa  one species: delicate fern of foothills of Himalayas
  member:  #genus_Gymnocarpium__Gymnocarpium  oak ferns: in some classification systems included in genus Thelypteris
     member:  #oak_fern__oakfern__Gymnocarpium_dryopteris__Thelypteris_dryopteris  bright blue-green fern widely distributed especially in damp acid woodlands of temperate northern hemisphere
  member:  #genus_Lastreopsis__Lastreopsis  tropical terrestrial shield ferns
  member:  #genus_Matteuccia__Matteuccia__Pteretis__genus_Pteretis  small genus sometimes included in genus Onoclea; in some classifications both genera are placed in Polypodiaceae
     member:  #ostrich_fern__ostrichfern__shuttlecock_fern__shuttlecockfern__fiddlehead__Matteuccia_struthiopteris__Pteretis_struthiopteris__Onoclea_struthiopteris  tall fern of northern temperate regions having graceful arched fronds and sporophylls resembling ostrich plumes
  member:  #genus_Olfersia__Olfersia  genus of fern having only one species
  member:  #genus_Onoclea__Onoclea  1 species: sensitive fern; in some classifications included in Polypodiaceae
     member:  #sensitive_fern__sensitivefern__bead_fern__Onoclea_sensibilis  beautiful spreading fern of eastern North America and eastern Asia naturalized in western Europe; pinnately divided fronds show a slight tendency to fold when touched; pinnules enclose groups of sori in beadlike lobes
  member:  #genus_Polybotrya__Polybotrya__Polybotria__genus_Polybotria  tropical American ferns; usually terrestrial when young but scandent later
  member:  #genus_Polystichum__Polystichum  small to medium-sized terrestrial ferns especially holly ferns; in some classification systems placed in Polypodiaceae
     member:  #Christmas_fern__canker_brake__dagger_fern__evergreen_wood_fern__Polystichum_acrostichoides  North American evergreen fern having pinnate leaves and dense clusters of lance-shaped fronds
     member:  #holly_fern__hollyfern  any of various ferns of the genus Polystichum having fronds with texture and gloss like holly
     member:  #soft_shield_fern__Polystichum_setiferum  European shield fern cultivated in many varieties
  member:  #genus_Rumohra__Rumohra  leatherleaf ferns: in some classifications included in genus Polystichum
     member:  #leatherleaf_fern__leatherleaffern__leather_fern__leatherfern__tendayfern__Rumohra_adiantiformis__Polystichum_adiantiformis  widely distributed fern of tropical southern hemisphere having leathery pinnatifid fronds
  member:  #genus_Tectaria__Tectaria  terrestrial or epilithic ferns of tropical rain forests
     member:  #Tectaria_cicutaria__button_fern  Jamaican fern having round buttonlike bulbils
     member:  #Indian_button_fern__Tectaria_macrodonta  fern of tropical Asia having round buttonlike bulbils
  member:  #genus_Woodsia  genus of small to medium-sized usually rock-inhabiting ferns of temperate and cold regions; in some classification systems placed in Polypodiaceae
     member:  #woodsia  any fern of the genus Woodsia

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