This name is a synonym of Sedum maximum (L.) Suter.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Memoranda Soc. Fauna Fl. Fenn. 4: 7 1927.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:275892-1.
This name was in version 1 of The Plant List, record kew-2489423, and has not been changed.