Aruncus dioicus (Walter) Fernald var. dioicus . Eastern Goat's-beard. Phen: May-Jun; Jun-Sep. Hab: Moist, nutrient-rich forests and woodland borders. Dist: NY (?) and PA west to IN, south to NC, SC, GA, and AL.
Origin/Endemic status: Endemic
Syn: = C, F, FNA9, Il, K1, K3, K4, NE, Robertson (1974); = Aruncus allegheniensis – S; < Aruncus dioicus – Pa, RAB, Tn, Va, W