#genus_Nasturtium__Nasturtium  aquatic herbs
  supertype:  dilleniid_dicot_genus__dilleniiddicotgenu  genus of more or less advanced dicotyledonous trees and shrubs and herbs
  member of:  family_Cruciferae
  member:  common_watercress__Rorippa_nasturtium-aquaticum__Nasturtium_officinale  perennial Eurasian cress growing chiefly in springs or running water having fleshy pungent leaves used in salads or as a potherb or garnish; introduced in North America and elsewhere

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