This name is a synonym of Rumex patientia subsp. orientalis (Bernh. ex Schult. & Schult.f.) Danser.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Syst. Veg. 7: 1433 1830.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:697362-1.
This name was in version 1 of The Plant List, record kew-2424641, and has not been changed.