This name is a synonym of Sedum japonicum Siebold ex Miq..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 8903545) with original publication details: J. Bot. 8(85): 6–7 1870.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:275222-1.
This name was in version 1 of The Plant List, record tro-8903545, and has not been changed.