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|Noun||1.||pondweed family - plants that grow in ponds and slow streams; sometimes includes family Zosteraceae|
liliopsid family, monocot family - family of flowering plants having a single cotyledon (embryonic leaf) in the seed
Alismales, Naiadales, order Alismales, order Naiadales - an order of aquatic monocotyledonous herbaceous plants
pondweed - any of several submerged or floating freshwater perennial aquatic weeds belonging to the family Potamogetonaceae
genus Potamogeton, Potamogeton - a large genus of aquatic herbs found in quiet waters in temperate regions; leaves usually float on the water