This name is a synonym of Rumex maritimus L..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 26000918) with original publication details: Anales Univ. Chile 91: 493–494 1895.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:224432-2.
This name was in version 1 of The Plant List, record tro-26000918.