This name is a synonym of Diplacrum mitracarpoides (Standl. & L.O.Williams) C.D.Adams.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 265533) with original publication details: Ceiba 3: 36 1952.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:284756-2.
This name was in version 1 of The Plant List, record kew-265533, and has not been changed.