Ulmus alata Michaux. Subgenus: Oreoptelea. Section: Chaetoptelea. Phen: Feb-Mar; Mar-Apr. Hab: Rock outcrops, dry and mesic forests and woodlands, bottomlands, old fields, disturbed areas. Dist: N. VA west to MO, south to c. peninsular FL and c. TX.
Origin/Endemic status: Native
Synonymy: = Ar, C, F, FNA3, G, GrPl, GW2, Il, K1, K3, K4, NcTx, RAB, S, Tn, Va, W, WH3, Kurz & Godfrey (1962)