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 The Contiguous United States, Canada, Alaska, and North America. They have simple, broad leaves and yellow flowers. Flowers are visited by West Virginia White, Parasyrphus nigritarsis, Parasyrphus, and (page not found). Individuals can grow to 2 feet.
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