Carex tetanica Schkuhr. Section: [26aa] Section 18 Paniceae. Rigid Sedge. Phen: May-Jun. Hab: Moist forests, calcareous seeps, calcareous fens, wet prairies, wet meadows. Dist: MA west to MN, NE, and AB, south to NJ, MD, VA, e. TN (Campbell County; A. Floden, pers. comm.), KY, MO, n. AR, and NE. Reports from NC are all based on misidentifications.

Origin/Endemic status: Native

Taxonomy Comments: Carex tetanica var. canbyi Porter, of Piedmont seepages and floodplains in MD, DE, and se. PA, may merit recognition, but needs additional study.

Synonymy: = C, F, FNA23, GrPl, Il, K1, K3, Mi, Mo1, NE, NY, Pa, RAB, Tn, Va, Mackenzie (1931-1935); = Carex tetanica Schkuhr var. tetanica – G; > Carex tetanica Schkuhr var. canbyi Porter – K4; > Carex tetanica Schkuhr var. tetanica – K4

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