This name is a synonym of Rorippa palustris (L.) Besser.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Deutschl. Fl. ed. 2, 6: 90 1902.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:71116-2.
This name was in version 1 of The Plant List, record kew-2744963.