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 50001273) with original publication details: Enum. Pl. 2 1841.
This name was in version 1 of The Plant List, record tro-50001273.