⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-173696, with some changes.
Quercus × longifolia
is a synonym
of Quercus × mannifera
This name is a synonym of Quercus × mannifera .
The record derives from WCSP which reports it as a synonym and as an invalid name (record 173696) with original publication details: Linnaea 22: 327 1849.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:296401-1.