Equisetum palustre Linnaeus. Marsh Horsetail. Phen: Jun-Sep. Hab: Marshes, wet meadows, streambanks, often calcareous. Dist: Circumboreal, south in North America to s. MI, IL, ne. SD, ID, and OR. A report from n. NJ appears to be misidentified.
Origin/Endemic status: Native
Synonymy: = C, F, FNA2, G, GrPl, K3, K4, NE, NY, Christenhusz et al (2019)
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