Genus Bidens, also known as beggarticks or bur marigold, is a diverse group of flowering plants that belong to the sunflower family, Asteraceae. The genus comprises more than 200 species of annual and perennial herbs, shrubs, and small trees. Some of the common synonyms for Genus Bidens are Spanish needles, stickseed, tickseed sunflower. What sets these plants apart is their characteristic needle-like bristles on their seed pods, which allows them to attach themselves to passing animals or clothing for seed dispersal. Genus Bidens is widely distributed throughout North and South America, Europe, Asia, and Africa and is commonly found in wetlands, ditches, and other moist areas. These plants have a range of medicinal uses and are also used as ornamental plants in gardens and landscaping.