Poison Ivy: How to Identify and Control
- Information from the Missouri Department of Conservation.
- http://mdc.mo.gov/nathis/plantpage/flora/poivy/

Venom Factory
- Basic information about poison ivy, oak, and sumac; product reviews.
- http://www.venomfactory.com/

Poison Ivy Close Up
- Identification photos of leaves and berries.
- http://museum.gov.ns.ca/poison/ivycu.htm

Poison Ivy, Western Poison Oak, Poison Sumac
- Information bulleting from Agriculture and Agri-Food Canada covers identification of these plants; mechanisms, symptoms, and treatment of poisoning; avoiding contact; and eradicating the plants.
- http://res2.agr.gc.ca/ecorc/poison/index_e.htm

Poison Ivy, Oak, and Sumac Guide
- Pictures, how to identify plants, where they are located, treatment of rashes, medical emergencies, myths and folklore, and how to prevent outbreaks.
- http://www.outdoorplaces.com/Features/Hiking/poisonivy/index.html

The Poison Ivy Site
- Poison Ivy photos, photo quiz, FAQ, Stories, and a poster to purchase.
- http://www.poison-ivy.org

Stories | Poison Ivy Safety
- Leaves of three, let them be; Berries white, run in fright. Folk Rhyme
- http://www.woodalls.com/kidscamp/stories/poisonivy.html

Poison Ivy, Oak, and Sumac Quick Answers
- Questions about poison ivy, oak, and sumac poisoning, identification, home and commercial remedies.
- http://poisonivy.aesir.com/faq.html

Outsmarting Poison Ivy and Its Cousins
- Article by Isadora B. Stehlin tells about avoiding contact with poison ivy, oak, and sumac, as well as treating the rash.
- http://www.kidsource.com/kidsource/content3/fda.poison.ivy.t.p.k12.3.html