This name is a synonym of Quercus × szechenyana Borbás.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 172165) with original publication details: Erdész. Lapok 26 1887.
This name was in version 1 of The Plant List, record kew-172165, and has not been changed.