This name is a synonym of Rumex scutatus subsp. hastifolius (M.Bieb.) Borodina.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Fl. Taur.-Caucas. 1: 290 1808.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:697170-1.
This name was in version 1 of The Plant List, record kew-2424073, and has not been changed.