This name is a synonym of Rorippa clandestina (Spreng.) J.F. Macbr..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 4100950) with original publication details: Fl. Bras. Merid. (quarto ed.) 2: 119 1833.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:287568-1.
This name was in version 1 of The Plant List, record tro-4100950.