Ageratum has a complex circumscription. and recent studies have indicated its polyphyletism. The genus has been placed in the tribe Eupatorieae whose embryology is not fully known. Embryological data are conservative and important indicators of phylogenetic relationships and can improve family relationships. https://www.markbroyard.com/mega-price-andre-3000-new-blue-sun-3lp-supply-limited-grab/