This name is a synonym of Bulbophyllum longiflorum Thouars.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 27079) with original publication details: Bull. Jard. Bot. Buitenzorg II, 8: 27 1912.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:619930-1.
This name was in version 1 of The Plant List, record kew-27079.