This name is a synonym of Rhodiola fastigiata (Hook. f. & Thomson) S.H. Fu.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50198744) with original publication details: The genus Sedum pt. 1: 30 1930.
This name was in version 1 of The Plant List, record tro-50198744, and has not been changed.