*Spiraea thunbergii Siebold ex Blume. Phen: Mar-May; Apr-Oct. Hab: Roadsides, old homesites. Dist: Native of Asia. S. thunbergii has been collected from roadside at Fort Bragg, NC, by Phil Crutchfield (specimen at Fort Bragg) (Sorrie, pers. comm.). Also GA, MS, and MD (FNA9) and additional states (Kartesz 2020).
Origin/Endemic status: E. and se. Asia
Synonymy: = Ar, C, FNA9, GrPl, Il, K1, K3, K4, NE, NY; = n/a – Pa, RAB