-Plants (Kingdom Plantae)

-Vascular Plants (Phylum Tracheophyta)

-Flowering Plants (Subphylum Angiospermae)

-Dicots (Class Magnoliopsida)

-Sunflowers, Bellflowers, Fanflowers, and Allies (Order Asterales)

-Sunflowers, Daisies, Asters, and Allies (Family Asteraceae)

-Subfamily Asteroideae

-Coreopsis and Allies (Tribe Coreopsideae)

-Beggarticks (Genus Bidens)

-Bidens riparia

Bidens riparia is a species of herb in the family Asteraceae. The native range of this species is Mexico to S. Tropical America. It is an annual and grows primarily in the seasonally dry tropical biome. It is used as a medicine.