*Spiraea ×billardii hort. ex K. Koch. Phen: May. Hab: Cultivated, escaped or persisting; introduced from cultivation, one parent from w. North America, one from Eurasia. Dist: Also present in KY and TN (D. Estes, pers. comm.).

Origin/Endemic status: Garden origin

Synonymy: = FNA9, Pa; = n/a – C, RAB; = Spiraea billiardii hort. ex K.Koch – Ar, Il, K1, K3, K4, orthographic variant; = Spiraea alba × douglasii – NY

Show in key(s)

Show parent