This name is a synonym of Berberis spraguei Ahrendt.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: J. Linn. Soc., Bot. 57: 162 1961.
This name was in version 1 of The Plant List, record kew-2674464, and has not been changed.