This name is a synonym of Erica mackaiana subsp. andevalensis (Cabezudo & Rivera) D.C.McClint. & E.C.Nelson.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Lagascalia 9: 224 1980.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:328186-1.
This name was in version 1 of The Plant List, record kew-2792610, and has not been changed.