This name is a synonym of Coincya monensis subsp. nevadensis (Willk.) Leadlay.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Prodr. Fl. Hispan. 3: 856 1880.
This name was in version 1 of The Plant List, record kew-2682122.