⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-172568, and has not been changed.
This name is a synonym of Quercus × macdonaldii Greene & Kellogg.
The record derives from WCSP which reports it as a synonym (record 172568) with original publication details: Man. Fl. Pl. Calif. 274 1923.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:1108560-2.