This name is a synonym of Rumex confertus Willd..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50079659) with original publication details: Fl. Orient. 4: 1007 1879.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:60434631-2.
This name was in version 1 of The Plant List, record tro-50079659, and has not been changed.