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 1F20BD22-3382-4E69-80BF-1B24BA0633D9) with original publication details: Prodr. (DC.) 7(1): 193 193 1838.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:261137-1.
This name was in version 1 of The Plant List, record gcc-14626.