This name is a synonym of Diplacrum guianense (Nees) T.Koyama.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an illegitimate name (record 265564) with original publication details: Syn. Pl. Glumac. 2: 177 1855.
This name was in version 1 of The Plant List, record kew-265564.