This name is a synonym of Rorippa curvisiliqua (Hook.) Bessey ex Britton.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50130008) with original publication details: Fl. Francisc. 2: 268 1891.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:167337-2.
This name was in version 1 of The Plant List, record tro-50130008.