Quercus macrocarpa Michaux var. macrocarpa . Phen: Mar-May; Sep-Oct (of the same year). Hab: Rich bottomland forests, sometimes in drier forests, woodlands, oak savannas, and prairie edges, and then usually over limestone or other calcareous rocks. Dist: NB and QC west to s. MB, south to nw. VA, KY, TN, LA, and TX.
Origin/Endemic status: Native
Other Comments: Variation in this species needs additional study; Q. macrocarpa in our area is the typic variety or subspecies if other taxa are recognized.
Synonymy: = GrPl, K1, K3, K4; = n/a – RAB; < Quercus macrocarpa Michx. – Ar, C, F, FNA3, G, GW2, Il, Mi, NcTx, NE, NY, Pa, S, Tn, Tx, Va, W, WV