Spanish needle
Bidens pilosa, also known as blackjack, cobbler’s peg, and Spanish needle, among others, is a noxious weed in Africa, North America, Asia, and other parts of the world. In a study published in Allelopathy Journal, researchers tested the natural herbicidal properties of three North American shrubs in genus Baccharis (B. dentata, B. uncinella, and B. […]
