This name is a synonym of Sedum obtusifolium C.A. Mey..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 8903203) with original publication details: Beih. Bot. Centralbl. 19, 2: 258 1906.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:275148-1.
This name was in version 1 of The Plant List, record tro-8903203.