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 C63470C8-79EE-4CA6-8479-C14AF6C607CF) with original publication details: Prodr. (DC.) 7(1): 194 194 1838.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:261125-1.
This name was in version 1 of The Plant List, record gcc-117716.