Carex brunnescens (Persoon) Poiret var. sphaerostachya (Tuckerman) Kükenthal. Section: [26m] Section 9 Glareosae. Brown Sedge. Phen: Jun-Jul. Hab: Grassy balds, bogs, spruce-fir forests, northern hardwood forests, moist rock outcrops, at moderate to high elevations. Dist: Var. sphaerostachya is eastern North American, ranging south to NJ, OH, MI, and MN, south to w. NC, e. TN, and n. GA.
Origin/Endemic status: Native
Syn: = F, NE, Va; = Carex brunnescens ssp. sphaerostachya – FNA23, K1, K3, K4, Tn; < Carex brunnescens – C, G, GrPl, NY, Pa, RAB, S, W, Mackenzie (1931-1935)