This name is a synonym of Quercus × kinseliae (C.H.Mull.) Nixon & C.H.Müll..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 172563) with original publication details: Madroño 5: 157 1940.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:311426-2.
This name was in version 1 of The Plant List, record kew-172563, and has not been changed.