Poison ivy (Toxicodendron radicans) is a vine that contains an oily resin known as urushiol. According to the Centers for ...

Like poison ivy, poison oak produces small, white, or yellow berries. Poison sumac is less common but more toxic than its counterparts. It grows as a tall shrub or small tree, typically found in ...

Poison ivy has leaves in groups of three, a green or reddish tint, and a hairy vine. A poison ivy rash looks like small, red bumps that can sometimes progress into blisters. To avoid poison ivy ...

Poison sumac is a shrub or small tree that grows in wet ... Poison sumac rash symptoms Poison sumac works the same way as poison ivy and poison oak — all three plants contain an oil called ...

When you’re spending time outdoors this summer, in your own yard or hiking in a park, it’s useful to know to spot poison ivy.