Zizia aptera (A. Gray) Fernald. Heartleaf Golden-Alexanders. Phen: Apr-May; Jul-Aug. Hab: Prairies, moist forests, forest openings, open woodlands, and woodland edges. Dist: NY west to BC, south to GA, Panhandle FL, AR, OK, CO, UT, and OR.
Origin/Endemic status: Native
Syn: = Ar, F, Fl7, G, GW2, Il, K1, K3, K4, MC, Mi, Mo2, NE, Pa, RAB, Tn, Va, W, WH3, WV, Cooperrider (1985); = Zizia cordata – S; > Zizia aptera var. aptera – C