This name is a synonym of Bidens baumii (O.Hoffm.) Sherff.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 4EDB61DF-2CF4-4AE4-98C6-F1ADE960CEFA) with original publication details: 419 1903.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:197932-1.
This name was in version 1 of The Plant List, record gcc-138945, and has not been changed.