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 27964EDF-C7FA-4EAB-A49E-E809288BD9FB) with original publication details: Fl. Italia 3: 301 (1904) 301 1904.
This name was in version 1 of The Plant List, record gcc-69661.