This name is a synonym of Crepidiastrum lanceolatum (Houtt.) Nakai.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 63F680D7-0508-43EB-845D-7338DADBEC35) 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:192927-1.
This name was in version 1 of The Plant List, record gcc-82962.