Carex laevivaginata (Kükenthal) Mackenzie. Section: [26a] Section 1b Vulpinae. Smooth-sheathed Sedge. Phen: May-Jun (-Aug). Hab: Marshes, swamp forests, alluvial forests. Dist: MA, MI, and MN, south to Panhandle FL, AL, and MO.
Origin/Endemic status: Native
Synonymy: = Ar, C, F, FNA23, G, GrPl, GW1, Il, K1, K3, K4, Mi, Mo1, NE, NY, Pa, RAB, Tn, Va, W, WH3, Mackenzie (1931-1935); = Carex laevi-vaginata – S, orthographic variant
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