This name is a synonym of Nothofagus gunnii (Hook.f.) Oerst..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 83832) with original publication details: Hooker's Icon. Pl. 9: t. 881 1851.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:295598-1.
This name was in version 1 of The Plant List, record kew-83832, and has not been changed.