This name is a synonym of Quercus dentata subsp. yunnanensis (Franch.) Menitsky.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 172997) with original publication details: J. Bot. (Morot) 13: 148 1899.
This name was in version 1 of The Plant List, record kew-172997.