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
Syn: = 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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