#family_Tuberaceae__Tuberaceae  family of fungi whose ascocarps resemble tubers and vary in size from that of an acorn to that of a large apple
  supertype:  fungus_family  includes lichen families
  member of:  order_Tuberales
  member:  genus_Tuber__Tuber  type genus of the Tuberaceae: fungi whose fruiting bodies are typically truffles
     member:  earth-ball__earthball__truffle__earthnut  any of various highly prized edible subterranean fungi of the genus Tuber; grow naturally in southwestern Europe

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