This name is a synonym of Dendrobium emarginatum J.W.Moore.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 92466) with original publication details: Lasianthera 1: 72 1997.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:998798-1.
This name was in version 1 of The Plant List, record kew-92466, and has not been changed.