This name is a synonym of Raphanus raphanistrum subsp. sativus (L.) Domin.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 4105768) with original publication details: Bot. Mag. (Tokyo) 23(267): 70 1909.
This name was in version 1 of The Plant List, record tro-4105768.