This name is a synonym of Quercus welshii R.A.Denham.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 173042) with original publication details: Great Basin Naturalist 46: 109 1986.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:284110-2.
This name was in version 1 of The Plant List, record kew-173042, and has not been changed.