Carex leavenworthii Dewey. Section: [26d] Section 4.0 Phaestoglochin. Phen: May-Jun. Hab: Dry forests, especially in sandy soils. Dist: NY, ON, and NE south to Panhandle FL and TX. Reported for DE (Longbottom, Naczi, & Knapp 2016), and considered "likely non-native" there.
Origin/Endemic status: Native
Synonymy: = Ar, C, ETx1, F, FNA23, G, GrPl, Il, K1, K3, K4, Mi, Mo1, NcTx, NY, Pa, RAB, S, Tn, Va, W, Mackenzie (1931-1935); < Carex cephalophora Muhl. ex Willd. – WH3