This name is a synonym of Saxifraga exarata subsp. moschata (Wulfen) Cavill..
The record derives from WCSP (in review)
(data supplied on 2012-03-26)
which reports it as a synonym with original publication details: Misc. Austriac. 2: 128 1781.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:794115-1.
This name was in version 1 of The Plant List, record kew-2583757, and has not been changed.