This name is a synonym of Rhodiola ovatisepala (Raym.-Hamet) S.H. Fu.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 8903753) with original publication details: Acta Horti Gothob. 2(8): 394 1926.
This name was in version 1 of The Plant List, record tro-8903753.