Ageratum conyzoies (Billygoat-weed, Chick weed, Goatweed, Whiteweed; Ageratum conycoides L., Ageratum obtusifolium Lam., Cacalia mentrasto Vell.) is native to Brazil. This plant is often used as a medicinal plant, and also it has bioactivity; for instance: insecticidal and nematocidal acitivity.