#elm_tree__elmtree__elm  any of various trees of the genus Ulmus: important timber or shade trees
  supertype:  tree  a tall perennial woody plant having a main trunk and branches forming a distinct elevated crown; includes both gymnosperms and angiosperms
  substance:  elm
  member of:  genus_Ulmus
  subtype:  winged_elm__wing_elm__Ulmus_alata  North American elm having twigs and young branches with prominent corky projections
  subtype:  American_elm__white_elm__whiteelm__water_elm__waterelm__rock_elm__Ulmus_americana  large ornamental tree with graceful gradually spreading branches common in eastern North America
  subtype:  smooth-leaved_elm__European_field_elm__Ulmus_carpinifolia  European elm with lustrous smooth leaves used as an ornamental
  subtype:  cedar_elm__cedarelm__Ulmus_crassifolia  elm of southern United States and Mexico having spreading pendulous corky branches
  subtype:  witch_elm__witchelm__wych_elm__Ulmus_glabra  Eurasian elm often planted as a shade tree
  subtype:  Dutch_elm__Ulmus_hollandica  any of various hybrid ornamental European shade trees ranging from dwarf to tall
  subtype:  Huntingdon_elm__Ulmus_hollandica_vegetata  erect vigorous hybrid ornamental
  subtype:  water_elm__waterelm__Ulmus_laevis  Eurasian elm closely resembling the American elm; thrives in a moist environment
  subtype:  Chinese_elm__Ulmus_parvifolia  small fast-growing tree native to Asia; widely grown as shelterbelts and hedges
  subtype:  English_elm__European_elm__Ulmus_procera  broad spreading rough-leaved elm common throughout Europe and planted elsewhere
  subtype:  Siberian_elm__Chinewse_elm__dwarf_elm__dwarfelm__Ulmus_pumila  fast-growing shrubby Asian tree naturalized in United States for shelter or ornament
  subtype:  slippery_elm__red_elm__redelm__Ulmus_rubra  North American elm having rough leaves that are red when opening; yields a hard wood
  subtype:  Jersey_elm__guernsey_elm__wheately_elm__Ulmus_sarniensis__Ulmus_campestris_sarniensis__Ulmus_campestris_wheatleyi  a variety of the English elm with erect branches and broader leaves
  subtype:  September_elm__red_elm__redelm__Ulmus_serotina  autumn-flowering elm of southeastern United States
  subtype:  rock_elm__Ulmus_thomasii  tall widely distributed elm of eastern North America

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