This name is a synonym of Aa matthewsii (Rchb.f.) Schltr..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 23505907) with original publication details: Xenia Orchid. 3: 19 1900.
This name was in version 1 of The Plant List, record tro-23505907.