This name is a synonym of Quercus rotundifolia Lam..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an illegitimate name (record 173199) with original publication details: Rev. Gen. Quercus Esp. 170 1950.
This name was in version 1 of The Plant List, record kew-173199.