How can you tell if you're dealing with poison oak or poison ivy ... are located may affect where you'll find poison ivy ...

poison sumac is only found in the eastern parts of the United States and a few regions in Canada. Poison ivy and poison oak ...

Toxicodendron diversilobum (western poison oak) and Toxicodendron toxicarium (eastern poison oak). There are also two species of poison ivy, Toxicodendron rydbergii, a nonclimbing subshrub ...

A rash from poison ivy, poison oak or poison sumac is caused by an oil found in these plants called urushiol. When this oil touches your skin, it often causes an itchy, blistering rash. Most people ...

Eastern poison ivy (Toxicodendron radicans) is a woody perennial vine with compound leaves that occur in sets of three (trifoliate). The edges of the leaves may be smooth, wavy, lobed or toothed and ...

There are two types of poison ivy in the United States, both of which have clusters of three leaves (hence the saying, “Leaves of three, let it be”). Eastern poison ivy is a hairy, ropelike ...