List of poisonous plants includes explanation of the four levels of toxicity. Includes recommended treatments.
Find a list of plants, bulbs, and roots. Follow links to natural remedies.
Search this Colorado State University database by a plant's common or botanical name, or by presenting disease symptom. Find related links.
Nova Scotia guide describes how to safely use plants for medicinal purposes. Includes St. John's Wort, Monkshood and Bloodroot.
Review a list of the 20 plants most frequently ingested and find out whether or not they have toxic effects. Includes symptoms of poisoning.
University of Maine Cooperative Extension furnishes details about potentially dangerous plants found in and near the home.
Agricultural Research Service provides a database of plants ranked by chemical content.
Browse a list of common house plants which are toxic to pets and humans. Provides photographs and describes which part of the plant is poisonous.
Peruse this comprehensive list of resources maintained by the Center for Food Safety & Applied Nutrition.
Play this game and unscramble the names of some common poisonous plants.
Iowa State University horticulture department provides a guide to poisonous plants by type of toxicity, with an emphasis on protecting children.
Find a list detailing the toxicity of plants, and the symptoms caused in humans.
Find details about snakes, plants, and insects that are poisonous. Coverage includes poison ivy and poison oak.
Contains extensive listings of plants considered to be harmful to human and to animals. Find out what to do if a pet ingests a poisonous plant.
Browse this listing of plants by type of toxicity. Includes general descriptions and links to detailed overviews.
See plants grouped by function, including garden plants, house plants, and ornamental plants.
Describes poisonous plants of the world. Learn about their distribution, habitat, characteristics, dangers, and see pictures.
Outline from poisonous plant workshop includes facts about the poisonous plants found in Southern California, plus links to related articles.