#markweed__poison_ivy__poison_mercury__poison_oak__Toxicodendron_radicans__Rhus_radicans  climbing plant common in eastern and central United States with ternate leaves and greenish flowers followed by white berries; yields an irritating oil that causes a rash on contact
  supertype:  #poisonous_plant__poisonousplant  a plant that when touched or ingested in sufficient quantity can be harmful or fatal to an organism
  member of:  #genus_Toxicodendron__Toxicodendron  in some classifications: comprising those members of the genus Rhus having foliage that is poisonous to the touch; of North America and northern South America
     member of:  #family_Anacardiaceae__Anacardiaceae__sumac_family__sumacfamily  the cashew family; trees and shrubs and vines having resinous (sometimes poisonous) juice; includes cashew and mango and pistachio and poison ivy and sumac
        member of:  #order_Sapindales__Sapindales  an order od dicotyledonous plants
           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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