This name is a synonym of Magnolia officinalis var. biloba Rehder & E.H.Wilson.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 117743) with original publication details: Sylva Sinica 1: 449 1983.
This name was in version 1 of The Plant List, record kew-117743, and has not been changed.