⚠ Version 1 of The Plant List has been superseded.
This name record (from Tropicos) is not included in version 1.1 of The Plant List. It is possible the same name is included from a different data source, to check this you can search for Spiraea ouensanensis in version 1.1 of The Plant List.
This name is a synonym of Spiraea pubescens var. pubescens .
The record derives from Tropicos which reports it as a synonym (record 27808510
) with original publication details: Repert. Spec. Nov. Regni Veg. 7(143-145): 197 197 1909.