This name is a synonym of Nothofagus obliqua (Mirb.) Oerst..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an illegitimate name (record 83878) with original publication details: Prodr. 16(2): 120 1864.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:295619-1.
This name was in version 1 of The Plant List, record kew-83878.