This name is a synonym of Malva subovata subsp. rupestris (Pomel) Molero & J.M.Monts..
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Nouv. Mat. Fl. Atl. 2: 343 1875.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:561248-1.
This name was in version 1 of The Plant List, record kew-2494182.