Symphyotrichum undulatum (Linnaeus) Nesom. Wavyleaf Aster. Phen: Aug-Nov. Hab: Dry forests, woodlands, glades, roadbanks. Dist: NS west to s. ON, south to c. peninsular FL and LA.

ID notes:Extremely variable across its range. Less distinctly clasping-leaved plants, especially in open woodlands of the Gulf Coastal Plain, have been mistaken for S. oolentangiense.

Origin/Endemic status: Native

Synonymy: = Fl7, FNA20, Il, K1, K3, K4, NE, NY, Pa, Tn, Va, WH3, Nesom (1994a); = Aster undulatus L. – C, G, Oh3, RAB, SE1, Tat, W; > Aster asperifolius E.S.Burgess – S; > Aster claviger E.S.Burgess – S; > Aster corrigiatus E.S.Burgess – S; > Aster gracilescens E.S.Burgess – S; > Aster linguiformis E.S.Burgess – S; > Aster loriformis (E.S.Burgess) E.S.Burgess – S; > Aster mohrii E.S.Burgess – S; > Aster proteus E.S.Burgess – S; > Aster sylvestris E.S.Burgess – S; > Aster triangularis (E.S.Burgess) E.S.Burgess – S; > Aster truellius E.S.Burgess – S; > Aster undulatus L. – S; > Aster undulatus L. var. asperulus (Torr. & A.Gray) Wood; > Aster undulatus L. var. diversifolius (Michx.) A.Gray – F; > Aster undulatus L. var. loriformis E.S.Burgess – F, WV; > Aster undulatus L. var. undulatus – F, WV

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Heliophily: 7