This name is a synonym of Rorippa micrantha (Roth) Jonsell.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 100360496) with original publication details: Fragm. Fl. Aethiop.-Aegypt. 13. 1854.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:287341-1.
This name was in version 1 of The Plant List, record tro-100360496.