This name is a synonym of Berberis parviflora Lindl..
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym and as an illegitimate name with original publication details: J. Hort. Soc. London 5: 6 1850.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:107186-1.
This name was in version 1 of The Plant List, record kew-2674604, and has not been changed.