This name is a synonym of Nothofagus antarctica (G.Forst.) Oerst..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 83859) with original publication details: Voy. Pôle Sud t. 8, f. 11 1853.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:295608-1.
This name was in version 1 of The Plant List, record kew-83859, and has not been changed.