Spiraea betulifolia f. subcordata (Toyok.) Honda form synonym

Spiraea betulifolia subsp. floreroseo Maxim. subspecies synonym

Spiraea betulifolia var. ajanensis C.K.Schneid., 1906 variety accepted

Spiraea betulifolia var. corymbosa (Raf.) Wenz., 1888 variety accepted

Spiraea betulifolia f. campii Fosberg, 1941 form accepted

Spiraea betulifolia var. betulifolia variety accepted

Spiraea betulifolia f. betulifolia form accepted

Spiraea aemiliana C.K.Schneid. species synonym

Spiraea betulifolia var. glabra (H.Hara) H.Hara variety heterotypic synonym

Spiraea menziesii f. triumphans Zabel form synonym

Spiraea betulifolia subsp. floreochroleuco Maxim. subspecies synonym

Spiraea betulifolia subsp. aemiliana (C.K.Schneid.) H.Hara subspecies synonym

Spiraea beauverdiana C.K.Schneid. species synonym

Spiraea ×speciosa Dippel species synonym

Spiraea ×triumphans Zabel species synonym

Spiraea menziesii f. billiardii Billiard form synonym

Spiraea betulifolia var. aemiliana (C.K.Schneid.) Koidz. variety accepted

Spiraea betulifolia f. glabra (H.Hara) Ohwi form synonym

Spiraea aemiliana var. subcordata Toyok. variety synonym

Spiraea betulifolia var. subcordata (Toyok.) Toyok. variety synonym

Spiraea menziesii f. eximia Zabel form synonym

Spiraea menziesii f. lenneana Zabel form synonym

Spiraea ×constantiae Zabel species synonym

Spiraea aemiliana var. glabra H.Hara variety synonym