This name is a synonym of Sedum eriocarpum subsp. delicum (Vierh.) 't Hart.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Willdenowia 15: 110 1985.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:915486-1.
This name was in version 1 of The Plant List, record kew-2483016, and has not been changed.