This name is a synonym of Aerangis cryptodon (Rchb.f.) Schltr..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 3850) with original publication details: Repert. Spec. Nov. Regni Veg. Beih. 33: 385 1925.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:615030-1.
This name was in version 1 of The Plant List, record kew-3850, and has not been changed.