This name is a synonym of Berberis wilsoniae var. subcaulialata (C.K.Schneid.) C.K.Schneid..
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: 216 1961.
This name was in version 1 of The Plant List, record kew-2674668, and has not been changed.