Bidens heterodoxa
Bidens heterodoxa, the Connecticut beggarticks, is a North American species of flowering plant in the family Asteraceae. It is native to eastern Canada and the northeastern United States.
Bidens heterodoxa is an annual herb up to 50 cm tall. It produces as many as 3 flower heads containing yellow disc florets but usually no ray florets. The species grows mostly along the banks of estuaries and coastal salt marshes.