This name is a synonym of Sedum drymarioides Hance.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 8903334) with original publication details: Icon. Pl. Formosan. 6: 20 1916.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:276217-1.
This name was in version 1 of The Plant List, record tro-8903334, and has not been changed.