This name is a synonym of Hornungia procumbens subsp. revelierei (Jord.) Giardina & Raimondo.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Boll. Accad. Gioenia Sci. Nat. Catania 15: 227 1982.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:941958-1.
This name was in version 1 of The Plant List, record kew-2857283, and has not been changed.