#davallia  any fern of the genus Davallia; having scaly creeping rhizomes
  supertype:  fern  any of numerous flowerless and seedless vascular plants having true roots from a rhizome and fronds that uncurl upward; reproduce by spores
  member of:  genus_Davallia
  subtype:  hare's-foot_fern  either of two ferns of the genus Davallia having a soft gray hairy rootstock
     subtype:  Canary_Island_hare's_foot_fern__Davallia_canariensis  fern of the Canary Islands and Madeira
     subtype:  Australian_hare's_foot__Davallia_pyxidata  a hare's-foot fern of the genus Davallia
  subtype:  squirrel's-foot_fern__ball_fern__Davalia_bullata__Davalia_bullata_mariesii__Davallia_Mariesii  feathery fern of tropical Asia and Malaysia

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