Nodding Beggarticks, Nodding Beggar Ticks, Bur Marigold: Bidens cernua (Synonyms: Bidens cernua var. cernua, Bidens cernua var. elliptica, Bidens cernua var. minima) - Showy ray flowers.
Purplestem Beggars-ticks, Swamp Beggar-ticks: Bidens connata - Ray flowers lacking.
Devil's Pitchfork, Devil's Beggarticks, Leafy Beggarticks, Sticktight: Bidens frondosa - Ray flowers lacking.
Three-lobed Beggarticks: Bidens tripartita (Synonym: Bidens connata) - Ray flowers reduced in size or lacking.
Big Devils Beggartics, Tall Beggarticks, Western Sticktight: Bidens vulgata - Ray flowers reduced in size or lacking.