#ragweed__ambrosia__bitterweed  any of numerous chiefly North American weedy plants constituting the genus Ambrosia that produce highly allergenic pollen responsible for much hay fever and asthma
  supertype:  weed  any plant that crowds out cultivated plants
  subtype:  common_ragweed  great_ragweed  western_ragweed
  member of:  genus_Ambrosia  comprising the ragweeds; in some classification considered the type genus of a separate family Ambrosiaceae
     member of:  family_Compositae__Compositae__Asteraceae__family_Asteraceae__aster_family__asterfamily  plants with heads composed of many florets: aster; daisy; dandelion; goldenrod; marigold; lettuces; ragweed; sunflower; thistle; zinnia
        member of:  order_Campanulales__Campanulales  an order or plants of the subclass Asteridae including: Campanulaceae; Lobeliaceae; Cucurbitaceae; Goodeniaceae; Compositae
           member of:  subclass_Asteridae__Asteridae  a group of mostly sympetalous herbs and some trees and shrubs mostly with 2 fused carpels; contains 43 families including Campanulales; Solanaceae; Scrophulariaceae; Labiatae; Verbenaceae; Rubiaceae; Compositae; 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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