This name is a synonym of Cymbalaria aequitriloba subsp. fragilis (J.J.Rodr.) D.A.Webb.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Bull. Soc. Bot. France 25: 240 1878.
This name was in version 1 of The Plant List, record kew-2499579.