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 50129989) with original publication details: Fl. N.W. Amer. 1: 41 1897.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:222188-2.
This name was in version 1 of The Plant List, record tro-50129989.