Caltha palustris (Marsh Marigold) is a species of perennial herb in the family Ranunculaceae. They have a self-supporting growth form. They are native to Canada, Alaska, The Contiguous United States, and North America. They have simple, broad leaves and yellow flowers. Flowers are visited by Neighborly Andrena, Common carder bumblebee, Melanostoma mellinum, and Honey bee. Individuals can grow to 2 feet.
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