This name is a synonym of Dendrobium amplum Lindl..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 185291) with original publication details: Orchid Rev. 18: 238 1910.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:656809-1.
This name was in version 1 of The Plant List, record kew-185291.