This name is a synonym of Quercus × streimii Heuff..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an illegitimate name (record 171763) with original publication details: Erdész. Lapok 26: 38 1887.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:295848-1.
This name was in version 1 of The Plant List, record kew-171763.