This name is a synonym of Quercus × ganderi C.B.Wolf.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 172114) with original publication details: Madroño 10: 54 1949.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:359486-1.
This name was in version 1 of The Plant List, record kew-172114, and has not been changed.