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 50114078) with original publication details: Hort. Kew. (ed. 2) 4: 110 1812.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:287631-1.
This name was in version 1 of The Plant List, record tro-50114078.