This name is a synonym of Rumex scutatus subsp. induratus (Boiss. & Reut.) Nyman.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Pugill. Pl. Afr. Bot. Hispan. 107 1852.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:697208-1.
This name was in version 1 of The Plant List, record kew-2424079, and has not been changed.