This name is a synonym of Aa matthewsii (Rchb.f.) Schltr..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 7155) with original publication details: Xenia Orchid. 3: 19 1878.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:300841-2.
This name was in version 1 of The Plant List, record kew-7155.