Carex platyphylla Carey. Section: [26dd] Section 21 Careyanae. Broadleaf Sedge. Phen: Apr-Jun. Hab: Rich cove forests, mostly over mafic or calcareous rock. Dist: ME and s. QC west to WI, south to , nw. SC, NC, e. TN, and MO.
Origin/Endemic status: Native
Other Comments: Naczi (1999b) reports a chromosome number of n = 35.
Synonymy: = C, F, FNA23, G, Il, K1, K3, K4, Mi, NE, NY, Pa, RAB, S, Tn, Va, W, Mackenzie (1931-1935)
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