Caltha natans Pall.
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Authority
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
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Family
Ranunculaceae
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Scientific Name
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Description
Species Description - Stems slender, floating; lvs reniform to broadly cordate, 2–5 cm; fls pink or white, 1 cm wide; stamens 12–25; anthers subrotund, 0.5 mm; follicles 20–40, in a dense head, 4–5 mm; 2n=32. Ponds or slowly flowing streams; circumboreal, s. to n. Wis. and n. Minn. July, Aug.