This name is a synonym of Crepidiastrum denticulatum (Houtt.) Pak & Kawano.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record E4C1EFDA-8946-49A4-AE01-6F9372D86036) with original publication details: 398 1964.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:1142644-2.
This name was in version 1 of The Plant List, record gcc-81332.