This name is a synonym of Cleisostoma firmulum Rchb.f..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 41790) with original publication details: Bot. Mus. Leafl. 23: 169 1972.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:623403-1.
This name was in version 1 of The Plant List, record kew-41790, and has not been changed.