This name is a synonym of Quercus × macdonaldii Greene & Kellogg.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 172567) with original publication details: Chênes Atlas 2: 68 1935.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:215783-2.
This name was in version 1 of The Plant List, record kew-172567, and has not been changed.