Cypripedium parviflorum Salisbury var. makasin (Farwell) Sheviak. Section: Cypripedium. Phen: May-Aug. Hab: Calcareous wetlands, such as fens, wet prairie, Thuja swamp margins. Dist: NL west to YU, south to n. NJ, nw. PA, n. OH, sc. IN, n. IL, IA, ND, MT, UT, and CA.
Origin/Endemic status: Native
Taxonomy Comments: Probably better accorded species rank.
Synonymy: = FNA26, Il, K3, K4, Mi, NE, NY, Sheviak (1994); < Cypripedium calceolus var. pubescens (Willd.) Knight – C, F, G, Correll (1950); < Cypripedium parviflorum Salisb. var. pubescens (Willd.) Knight – Pa
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