This name is a synonym of Saxifraga fragilis subsp. paniculata (Pau) Muñoz Garm. & P.Vargas.
The record derives from WCSP (in review)
(data supplied on 2012-03-26)
which reports it as a synonym with original publication details: Rev. Gén. Bot. 4: 153 1892.
This name was in version 1 of The Plant List, record kew-2584564, and has not been changed.