#variously-leaved_pondweed__Potamogeton_gramineous  of Europe (except the Mediterranean area) and the northern United States
  supertype:  pondweed  any of several submerged or floating freshwater perennial aquatic weeds belonging to the family Potamogetonaceae
  member of:  genus_Potamogeton__Potamogeton  a large genus of aquatic herbs found in quiet waters in temperate regions; leaves usually float on the water
     member of:  family_Potamogetonaceae__Potamogetonaceae__pondweed_family  plants that grow in ponds and slow streams; sometimes includes family Zosteraceae
        member of:  order_Naiadales__Naiadales__Alismales__order_Alismales  an order of aquatic monocotyledonous herbaceous plants
           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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