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 50129979) with original publication details: Bot. California 1: 43 1876.
This name was in version 1 of The Plant List, record tro-50129979.