Carex scoparia Schkuhr ex Willdenow. Section: [26q] Section 12 Ovales. Phen: May-Jun. Hab: Bogs, swamp forests, marshes, seepy ledges, ditches. Dist: NL (Newfoundland) west to BC, south to GA, MS, and CA.
Origin/Endemic status: Native
Taxonomy Comments: C. scoparia var. tesselata Fernald & Wiegand, endemic to NB and ME, is now recognized as C. waponahkikensis M. Lovit & A.A. Haines (Lovit & Haines 2012). Tennessee Flora Committee (2015) mentions unresolved variation that may warrant taxonomic recognition.
Synonymy: = K3, K4, Mi, Mo1, NY, Tn; = Carex scoparia Schkuhr ex Willd. var. scoparia – Ar, F, FNA23, K1, NE, Pa, Va; < Carex scoparia Schkuhr ex Willd. – C, G, GrPl, GW1, RAB, W; > Carex scoparia Schkuhr ex Willd. var. moniliformis Tuck. – Il; > Carex scoparia Schkuhr ex Willd. var. scoparia – Il