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 40984) with original publication details: Beih. Bot. Centralbl. 33(2): 420 1915.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:623250-1.
This name was in version 1 of The Plant List, record kew-40984.