This name is a synonym of Diplacrum pygmaeopsis (J.Kern) T.Koyama.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 265644) with original publication details: Blumea 11: 208 1961.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:314990-1.
This name was in version 1 of The Plant List, record kew-265644, and has not been changed.