#fern  any of numerous flowerless and seedless vascular plants having true roots from a rhizome and fronds that uncurl upward; reproduce by spores
  supertype:  pteridophyte__nonflowering_plant  plants having vascular tissue and reproducing by spores
  subtype:  pecopteris  filmy_fern  bristle_fern  osmund  crape_fern  crepe_fern  curly_grass_fern  pine_fern  climbing_fern  scented_fern  aquatic_fern  adder's_tongue_fern  grape_fern  flowering_fern  giant_scrambling_fern  umbrella_fern  polypody  bear's-paw_fern  strap_fern  Drynaria_rigidula  lecanopteris  snake_polypody  climbing_bird's_nest_fern  golden_polypody  staghorn_fern  felt_fern  Solanopteris_bifrons  grass_fern  spleenwort  bird's_nest_fern  Asplenium_scolopendrium  scale_fern  Schaffneria_nigripes  scolopendrium  hard_fern  doodia  chain_fern  tree_fern  davallia  hay-scented_fern  pasture_brake  bracken  false_bracken  shield_fern  wood_fern  lady_fern  glade_fern  Cyrtomium_aculeatum  bladder_fern  silvery_spleenwort  oak_fern  limestone_fern  ostrich_fern  hart's-tongue_fern  sensitive_fern  Christmas_fern  holly_fern  leatherleaf_fern  Tectaria_cicutaria  Indian_button_fern  woodsia  oleander_fern  sword_fern  leather_fern  maidenhair_fern  annual_fern  lip_fern  lace_fern  bamboo_fern  rock_brake  hand_fern  cliff_brake  button_fern  Pityrogramma_argentea  silver_fern  golden_fern  gold_fern  brake.fern  Pteris_cretica  spider_brake  ribbon_fern  potato_fern  marsh_fern  christella  mountain_fern  New_York_fern  Massachusetts_fern  beech_fern
  part:  fern_seed
  member of:  class_Filicopsida__Filicopsida__Filicinae__class_Filicinae  ferns
     member of:  division_Pteridophyta__Pteridophyta  containing all the vascular plants that do not bear seeds: ferns, horsetails, club mosses, and whisk ferns; in some classifications considered a subdivision of Tracheophyta
        member of:  kingdom_Plantae__Plantae__plant_kingdom__plantkingdom  taxonomic kingdom comprising all living or extinct plants

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