This name is a synonym of Crepidiastrum koidzumianum (Kitam.) Pak & Kawano.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 7574B6F8-75E4-453E-B571-4E40B9E5596B) with original publication details: 127 1942.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:329205-2.
This name was in version 1 of The Plant List, record gcc-42237.