(perennial plant of Europe and America having racemes of white or purplish flowers and intensely bitter trifoliate leaves
often rooting at water margin and spreading across the surface)
bobrek trójlistkowy, bobrek trójlistny
synonim: water shamrock
synonim: buckbean
synonim: bogbean
synonim: marsh trefoil
synonim: Menyanthes trifoliata