This name is a synonym of Bidens cernua L..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 43A30769-1CA4-4E15-B6E9-F0CF8C7FC547) with original publication details: 91 1900.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:32341-2.
This name was in version 1 of The Plant List, record gcc-70789.