This name is a synonym of Berberis montana Gay.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Berberid. Amer. Austral. 38 1857.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:106547-1.
This name was in version 1 of The Plant List, record kew-2673616, and has not been changed.