⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-175617, with some changes.

Quercus × undulata var. jamesii Engelm. is a synonym of Quercus × undulata Torr.

This name is a synonym of Quercus × undulata Torr..

The record derives from WCSP which reports it as a synonym (record 175617) with original publication details: Trans. Acad. Sci. St. Louis 3: 382 1876.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:216528-2.