This name is a synonym of Rhodiola prainii (Raym.-Hamet) H. Ohba.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 8903755) with original publication details: Kew Bull. 1937: 96 1937.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:275846-1.
This name was in version 1 of The Plant List, record tro-8903755, and has not been changed.