This name is a synonym of Rorippa palustris (L.) Besser.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 100360452) with original publication details: J. Bot. (Hooker) 1: 246 1834.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:287596-1.
This name was in version 1 of The Plant List, record tro-100360452.