This name is a synonym of Cercidiphyllum japonicum Siebold & Zucc. ex J.J.Hoffm. & J.H.Schult.bis.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 37222) with original publication details: Fl. Jap. 510 1953.
This name was in version 1 of The Plant List, record kew-37222, and has not been changed.