This name is a synonym of Rhodiola gelida Schrenk ex Fisch. & C.A. Mey..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50198732) with original publication details: S. Tibet, Bot. 6(3): 73 1922.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:275344-1.
This name was in version 1 of The Plant List, record tro-50198732.