This name is a synonym of Sedum kamtschaticum Fisch..
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Evol. & Syst. Crassulac. 168 1995.
This name was in version 1 of The Plant List, record kew-2411241, and has not been changed.