Canadian Poisonous Plants Information System POISONOUS PLANTS WEB PAGES "Poisonous Plants of North Carolina," Dr. Alice B. Russell Indiana Plants Poisonous to Livestock and Pets Toxic Plants/ University of Illinois University of Pennsylvania School of Veterinary Medicine Poisonous Plants Directory Plants Toxic to Animals Many common plants contain poisonous chemicals. This site presents a listing of plants that are toxic to animals. Poisonous Plants of Southern Florida Poisonous Plants of the Southern United States Poisonous plants of Nova Scotia