This name is a synonym of Saxifraga cespitosa L..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50307643) with original publication details: Bot. Beechey Voy. 123 1841.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:228350-2.
This name was in version 1 of The Plant List, record tro-50307643.