Bidens cernua var. elliptica Wiegand, 1899 | Bidens cernua var. radiata DC., 1836 | Bidens cusickii Greene, 1901 | Bidens elliptica Gleason, 1899 | Bidens filamentosa Rydb., 1931 | Bidens glaucescens Greene, 1899 | Bidens gracilenta Greene, 1899 | Bidens kelloggii Greene, 1901 | Bidens leptopoda Greene, 1901 | Bidens lonchophylla Greene, 1901 | Bidens minima Huds., 1762 | Bidens prionophylla Greene, 1899 | Buphthalmum nutans Vitman, 1791 | Coreopsis quadricornis Krock., 1790