Synonyms: Spiraea brachybotrys; Spiraea canescens var. canescens; Spiraea canescens var. oblanceolata; Spiraea cuneata (homotypic); Spiraea cuneifolia (heterotypic); Spiraea elliptica (homotypic); Spiraea flagellaris; Spiraea flagellata; Spiraea flagelliformis (homotypic); Spiraea grandiflora (heterotypic); Spiraea indica (homotypic); Spiraea lanata (homotypic); Spiraea luxurians; Spiraea luxuriosa; Spiraea myrtifolia (homotypic); Spiraea nepalensis; Spiraea nivea (homotypic); Spiraea nutans (homotypic); Spiraea ovalifolia (heterotypic); Spiraea pruinosa (homotypic); Spiraea rhombifolia; Spiraea rotundifolia (heterotypic); Spiraea ruscifolia (homotypic); Spiraea serrata; Spiraea serratifolia (homotypic); Spiraea standishii