Carex rugosperma Mackenzie. Section: [26bbb] Section 39 Acrocystis. Parachute Sedge. Hab: Old fields, shallow soils of rock outcrops, exposed forest margins. Dist: {Distribution and habitats in our area obscure}
Origin/Endemic status: Native
Syn: = G, K4, NY, Va, Mackenzie (1931-1935); = Carex tonsa var. rugosperma – FNA23, K1, K3, Mi, NE, Pa; = Carex umbellata – F, misapplied; < Carex umbellata – C, RAB, W
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