Beggarticks

Beggarticks, also beggar's ticks or bur marigold, is a plant belonging to the daisy family. Its flowers are yellow and inconspicuous. Its small barbed fruits cling to passing animals. There are several species of this plant. Many of them are widespread weeds, and many grow wild. It belongs to the genus Bidens, and the family Compositae. Bidens frondosa is one of the common species.