#watermeal  any of various aquatic plants of the genus Wolffia; throughout warmer regions of the world
  supertype:  duckweed  any small or minute aquatic plant of the family Lemnaceae that float on or near the surface of shallow ponds
  member of:  genus_Wolffia
  subtype:  common_wolffia__Wolffia_columbiana  smallest flowering plants known; of the Americas

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