This name is a synonym of Acianthera modestissima (Rchb.f. & Warm.) Pridgeon & M.W.Chase.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 100640) with original publication details: Revis. Gen. Pl. 2: 668 1891.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:124623-2.
This name was in version 1 of The Plant List, record kew-100640, and has not been changed.