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 26000115) with original publication details: Ark. Bot., n.s., 7(1): 45 1967.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:224457-2.
This name was in version 1 of The Plant List, record tro-26000115.