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Caltha palustris Linnaeus var. palustris . Marsh Marigold, Cowslip. Phen: Apr-Jun. Hab: Bogs, wet meadows, seepage swamps, brookbanks. Dist: Caltha palustris is circumboreal, widespread in n. Eurasia and n. North America, south in e. North America to e. VA, w. NC, ne. TN, WV, IN, IL, IA, and NE.

Origin/Endemic status: Native

Taxonomy Comments: Caltha palustris is polymorphic; one or more additional varieties (some of them sometimes recognized as separate species) are more northern. Eastern North American material is apparently uniformly 2n=32 (Keener 1977).

Synonymy: = G, GW2, K1, K3, K4; < Caltha palustris L. – C, F, FNA3, GrPl, Il, Mi, NE, NY, Pa, RAB, S, Tn, Va, W; > Caltha palustris L. var. flabellifolia (Pursh) Torr. & A.Gray

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image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Erik Danielson source | Original Image ⭷
image of plant© Erik Danielson source | Original Image ⭷
image of plant© Erik Danielson source | Original Image ⭷
image of plant© Erik Danielson source | Original Image ⭷
image of plant© Erik Danielson source | Original Image ⭷
image of plant© Bruce Sorrie | Original Image ⭷
image of plant© Bruce Sorrie | Original Image ⭷
image of plant© Radford, Ahles and Bell | Original Image ⭷

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