#duckweed  any small or minute aquatic plant of the family Lemnaceae that float on or near the surface of shallow ponds
  supertype:  #aquatic_plant__aquaticplant__water_plant__waterplant__hydrophyte__hydrophytic_plant__hydrophyticplant  a plant that grows partly or wholly in water whether rooted in the mud, as a lotus, or floating without anchorage, as the water hyacinth
  subtype:  #common_duckweed  #star-duckweed  #great_duckweed  #watermeal  #mud_midget
  member of:  #family_Lemnaceae__Lemnaceae__duckweed_family  family of small free-floating thalloid plants
     member of:  #order_Arales__Arales  Araceae; Lemnaceae
        member of:  #subclass_Arecidae__Arecidae  one of four subclasses or superorder of Monocotyledones; comprises about 6400 species in 5 families of trees and shrubs and terrestrial herbs and a few free-floating aquatics including: Palmae; Araceae; Pandanaceae: and Lemnaceae
           member of:  #class_Monocotyledones__Monocotyledones__Monocotyledonae__class_Monocotyledonae__Liliopsida__class_Liliopsida  comprising seed plants that produce an embryo with a single cotyledon and parallel-veined leaves: includes grasses and lilies and palms and orchids; divided into four subclasses or superorders: Alismatidae; Arecidae; Commelinidae; and Liliidae
              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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