This name is a synonym of Bidens aristosa (Michx.) Britton.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 08186002-68AF-4E27-B93D-720CE02F17D9) with original publication details: 471 1973.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:876649-1.
This name was in version 1 of The Plant List, record gcc-82425.