Northern Ontario Plant Database
Vascular Plant Families -
Trees & Shrubs -
Choose one of the links above for a list of plant-related websites about that category. Selected websites include only non-commercial, free-access sites that do not require passwords. The links provided have all been checked as of April 18, 2008, but visitors should note that most large websites have a regular downtime for editing and uploading more information. Often, this downtime occurs on the weekends, especially Sunday night (students take note!). If you find a link that doesn't work, try that site again at a different time or on a different day; if it still does not work, please report the problematic link to the NOPD.Poisonous Plants
Botanical Dermatology Database, The (BoDD)
An updated, searchable version of J. Mitchell and A. Rook's 1979 publication, Botanical Dermatology. Search by scientific name, common name, or reaction type.
Canadian Poisonous Plants Information System
A fairly comprehensive website on poisonous plants of Canada, compiled by Derek B. Munro. Some plants known to be poisonous, such as Actaea rubra (baneberry), are missing, possibly since reports of poisoning do not occur in the recent literature. However, other sites listed below do include information on Actaea rubra. Contains links to more databases on poisonous or toxic plants.
Cornell University - Poisonous Plants Informational Database
A very well organized website on poisonous plants with links to questions (and answers) submitted to the website.
FDA Poisonous Plant Database
A searchable database to references on poisonous plants; information on the contents of these references is also provided.
Guide to Poisonous Plants
A useful website on poisonous plants by A.P. Knight, at Colorado State University.
Poisonous Plants of Georgia
This website on poisonous plants in Georgia contains brief descriptions and images of each species, as well as information on the toxic part of the plants, toxins, symptoms of poisoning, and suggested treatment.
Poisonous Plants of North Carolina
An excellent website by Alice Russell, Dept. of Horticultural Science and the North Carolina Cooperative Extension Service, North Carolina State University.
Poisonous Tucson, Arizona Plants
A collection of images of poisonous plants from the Tucson, Arizona, area. Links at the end of the webpage bring you to other websites on poisonous plants. This attractive webpage is part of T.Beth Kinsey's Wildflowers of Tucson, Arizona website.