#genus_Alisma__Alisma  small genus of aquatic or semiaquatic plants
  supertype:  monocot_genus__monocotgenu__liliopsid_genus  genus of flowering plants having a single cotyledon (embryonic leaf) in the seed
  member of:  family_Alismataceae
  member:  water_plantain__waterplantain__Alisma_plantago-aquatica  marsh plant having clusters of small white or pinkish flowers and broad pointed or rounded leaves

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