. "Spiraea" . . "Siebold ex Blume" . "Plantae" . "Spiraea thunbergii Siebold ex Blume" . "Thunberg's Meadowsweet" . . . "Rosales" . . "Magnoliopsida" . . . . . . . . . "Spiraea thunbergii" . . . "Rosaceae" . . . "Magnoliophyta" .