This name is a synonym of Conyza japonica (Thunb.) Less. ex Less..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 8DE0FDB0-555E-496D-9872-31102D116721) with original publication details: Leafl. Philipp. Bot. 1 359 1908.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:185535-1.
This name was in version 1 of The Plant List, record gcc-26547.