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 69981) with original publication details: Dansk Bot. Ark. 34: 73 1980.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:633101-1.
This name was in version 1 of The Plant List, record kew-69981.