Carex tetanica Schkuhr. Common name: Rigid Sedge. Phenology: May-Jun. Habitat: Moist forests, calcareous seep, calcareous fen, wet prairie, wet meadows. Distribution: 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, Can, F, FNA23, GrPl, Il, Mi, Mo1, NE, NY, Pa, POWO, RAB, Tat, Tn, Va, Mackenzie (1931-1935); = Carex tetanica Schkuhr var. tetanica — G; > Carex tetanica Schkuhr — NS; > Carex tetanica Schkuhr var. canbyi Porter — K4, NSProv; > Carex tetanica Schkuhr var. tetanica — K4. Basionym: Carex tetanica Schkuhr 1806

Links to other floras: = Carex tetanica - FNA23

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Wetland Indicator Status:

• Atlantic and Gulf Coastal Plain: FACW
• Eastern Mountains and Piedmont: FACW
• Great Plains: FACW
• Midwest: FACW
• Northcentral & Northeast: FACW

Heliophily ⓘ: 8