This name is a synonym of Crepis gymnopus Koidz..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 2FB0F43E-D421-4594-8BA7-5342810F22A6) with original publication details: "J. Jap. Bot. 1938, xiv. 53." 1938.
This name was in version 1 of The Plant List, record gcc-44934.