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 EFDEA382-114E-4D65-9F2B-6D1B97A00F6C) with original publication details: 329 1811.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:1083401-2.
This name was in version 1 of The Plant List, record gcc-80203.