#birch_tree__birchtree__birch  any betulaceous tree or shrub of the genus Betula having a thin peeling bark
  supertype:  #tree  a tall perennial woody plant having a main trunk and branches forming a distinct elevated crown; includes both gymnosperms and angiosperms
  subtype:  #yellow_birch  #American_white_birch  #American_gray_birch  #silver_birch  #downy_birch  #black_birch  #sweet_birch  #Yukon_white_birch  #swamp_birch  #Newfoundland_dwarf_birch
  substance:  #birch
  member of:  #genus_Betula__Betula  a genus of trees of the family Betulaceae (such as birches)
     member of:  #family_Betulaceae__Betulaceae__birch_family__birchfamily  monoecious trees and shrubs (including the genera Betula and Alnus and Carpinus and Corylus and Ostrya and Ostryopsis)
        member of:  #order_Fagales__Fagales  an order of dicotyledonous trees of the subclass Hamamelidae
           member of:  #subclass_Hamamelidae__Hamamelidae  a group of chiefly woody plants considered among the most primitive of angiosperms; perianth poorly developed or lacking; flowers often unisexual and often in catkins and often wind pollinated; contains 23 families including the Betulaceae and Fagaceae (includes the Amentiferae); sometimes classified as a superorder
              member of:  #class_Dicotyledones__Dicotyledones__Dicotyledonae__class_Dicotyledonae__Magnoliopsida__class_Magnoliopsida  comprising seed plants that produce an embryo with paired cotyledons and net-veined leaves; divided into six (not always well distinguished) subclasses (or superorders): Magnoliidae and Hamamelidae (considered primitive); Caryophyllidae (an early and distinctive offshoot); and three more or less advanced groups: Dilleniidae; Rosidae; Asteridae
                 member of:  #class_Angiospermae__Angiospermae__Magnoliophyta__division_Magnoliophyta__Anthophyta__division_Anthophyta  comprising flowering plants that produce seeds enclosed in an ovary; in some systems considered a class (Angiospermae) and in others a division (Magnoliophyta or Anthophyta)
                    member of:  #division_Spermatophyta__Spermatophyta  seed plants; comprises the Angiospermae (or Magnoliophyta) and Gymnospermae (or Gymnospermophyta); in some classification systems Spermatophyta is coordinate with Pteridophyta (spore producing plants having vascular tissue and roots) and Bryophyta (spore producing plants lacking vascular tissue and roots)
                       member of:  #kingdom_Plantae__Plantae__plant_kingdom__plantkingdom  taxonomic kingdom comprising all living or extinct plants

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