Lilium philadelphicum Linnaeus var. philadelphicum . Phen: Jun-Jul; Aug-Oct. Hab: Grassy balds, moist to wet meadows (especially in thin soils over rock), open woodlands, limestone barrens. Dist: The species ranges from ME west to BC, south to NC, nw. GA (Jones & Coile 1988), KY, IL, IA, NE, and NM. Var. philadelphicum is eastern and mainly Appalachian, ranging from ME and s. ON south to NC, GA, and KY.
Origin/Endemic status: Native
Synonymy: = C, F, G, K1, K3, K4; = Lilium philadelphicum L. ssp. philadelphicum – Wherry (1946); < Lilium philadelphicum L. – FNA26, Mi, NE, NY, Pa, RAB, S, Tn, Va, W, WV