When fighting invasive aquatic plants, choose your battles

Ph. Massive invasion of Eurasian watermilfoil in a small lake in the Québec City region. (Charlotte Bergeron), Fourni par l’auteur Claude Lavoie, Université Laval Many lakes in North America are affected in varying degrees by invasive alien plants. An invasive plant is one that colonizes (or has colonized in the past) new sites