#family_Psilotaceae__Psilotaceae  small family of lower ferns having nearly naked stems and minute scalelike leaves
  supertype:  fern_family  families of ferns and fern allies
  member of:  order_Psilotales
  member:  genus_Psilotum__Psilotum  type genus of the Psilotaceae
     member:  whisk_fern__whiskfern  chiefly tropical clump-forming plants of skeletal appearance resembling whisk brooms; lacking roots

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