This name is a synonym of Nothofagus fusca (Hook.f.) Oerst..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 83820) with original publication details: Hooker's Icon. Pl. 7: t. 630 1844.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:295594-1.
This name was in version 1 of The Plant List, record kew-83820.