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

How can you tell if you're dealing with poison oak or poison ivy? Both of these plants contain ... in case you come across ...

Poison ivy annoys with its notorious skin rash ... but [to the degree that knotweed can decimate a forest] we don’t see it spread through the woods.” Sometimes species qualify for observation ...

Considering taking supplements to treat poison oak and poison ivy dermatitis? Below is a list of common natural remedies used to treat or reduce the symptoms of poison oak and poison ivy dermatitis.