This name is a synonym of Dendrobium microbulbon A.Rich..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 57509) with original publication details: Hooker's J. Bot. Kew Gard. Misc. 4: 111 1852.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:627196-1.
This name was in version 1 of The Plant List, record kew-57509, and has not been changed.