This name is a synonym of Rhodiola saxifragoides (Fröd.) H. Ohba.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50313628) with original publication details: Svensk Bot. Tidskr. 30: 234 1936.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:276021-1.
This name was in version 1 of The Plant List, record tro-50313628, and has not been changed.