This name is a synonym of Matudanthus nanus (M.Martens & Galeotti) D.R.Hunt.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 270285) with original publication details: Anales Inst. Biol. Univ. Nac. México 36: 112 1966.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:255961-2.
This name was in version 1 of The Plant List, record kew-270285, and has not been changed.