Dogfennel (Eupatorium capillifolium) is an aggressive native perennial that is found throughout much of the Southeast. Dogfennel is particularly troublesome in unimproved or overgrazed pastures where it adds to the decline of forage yield and quality. Although generally considered to be only unsightly. the leaves contain low levels of the toxin tremitol. https://www.marcelovicente.com/product-category/pro-classsic-color/