This name is a synonym of Munnozia canarensis (Cuatrec.) H.Rob. & Brettell.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 5F4E14DF-19F9-444B-B381-95D1E4A49B82) with original publication details: 46 1954.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:139404-2.
This name was in version 1 of The Plant List, record gcc-98316, and has not been changed.