This name is a synonym of Notholithocarpus densiflorus (Hook. & Arn.) Manos, Cannon & S.H.Oh.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 172599) with original publication details: Pacif. Railr. Rep. Parke, Bot. 4: 137 1857.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:296087-1.
This name was in version 1 of The Plant List, record kew-172599.