Approximately 1,000 plants, including fungi, that are poisonous to animals (and humans) appear in this easy-to-use, full-color diagnostic tool and reference. Three crossreferenced indexes make each plant instantly accessible by common name, scientific name, or poisonous syndrome.

Each plant selected by common or scientific name appears on its own page with one or more full-color photographs and detailed information, including common name, scientific name, poisonous parts, and links to pages for related plants.

On each plant description page icons provide access to additional information, including poisonous principle, distribution, common circumstances in which poisoning occurs, clinical signs, diagnosis, and management or treatment. Several clinical signs feature a movie segment, with audio, that shows and explains symptoms of toxic exposure and, selectively, methods of effective treatment.