This name is a synonym of Acianthera casapensis (Lindl.) Pridgeon & M.W.Chase.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 161278) with original publication details: Repert. Spec. Nov. Regni Veg. Beih. 8: 64 1921.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:203798-2.
This name was in version 1 of The Plant List, record kew-161278, and has not been changed.