⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-2656813, and has not been changed.

Astilbe thunbergii var. formosa (Nakai) Ohwi is a synonym of Astilbe formosa (Nakai) Nakai

The record derives from WCSP (in review) which reports it as a synonym with original publication details: Bull. Natl. Sci. Mus. Tokyo 33: 73 1953.