This name is a synonym of Quercus thomsoniana A.DC..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 173419) with original publication details: J. Econ. Taxon. Bot. 15: 706 1991 publ. 1992.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:967420-1.
This name was in version 1 of The Plant List, record kew-173419, and has not been changed.