This name is a synonym of Sedum quadrifidum Pall..
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Enum. Pl. Nov. 1: 69 1841.
This name was in version 1 of The Plant List, record kew-2416718, and has not been changed.