swamp plant of Europe and North America having bright yellow flowers resembling buttercups

同义词：marsh marigold??/??meadow bright??/??May blob??/??cowslip??/??water dragon??/??Caltha palustris

any of various plants of the genus Ranunculus

同义词：buttercup??/??butterflower??/??butter-flower??/??crowfoot??/??goldcup