Geum rivale Linnaeus. Water Avens, Purple Avens. Phen: May-Jun. Hab: Calcareous fens, swamps, seepages, and wet meadows. Dist: Circumboreal, in North America from NL (Labrador), Keewatin, and BC south to NJ, MD, WV (Pocahontas, Preston, Randolph, and Tucker counties), OH, IN, IL, MN, SD, NM, and WA.
Origin/Endemic status: Native
Taxonomy Comments: In our region, the closest relative to Geum rivale is the narrow Southern Appalachian G. geniculatum.
Synonymy: = C, F, FNA9, G, GrPl, Il, K1, K3, K4, Mi, NE, NY, Pa, WV, Bolle (1933)
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