According to the American Academy of Dermatology Association, you should do the following: Immediately wash the part of your skin that touched the plant with one of the following: Rubbing alcohol, ...

As with poison ivy growing as a shrub or ground cover, poison ivy vines will also have three leaflets. ... You are never going to see it climbing up a tree as a vine.

Poison ivy can grow as a low groundcover plant, a small shrub, or a vine. When it vines and climbs trees, the older vines are covered in small, fine, reddish hairs—a dead giveaway.

Leaves of three let them be. Here's some help identifying poisonous plants like poison ivy, oak, sumac and more.

New seedlings of poison ivy are easily overlooked. They may have a reddish tint to their foliage and will appear upright. As they get older, they will begin to vine and grow up nearby shrubs or trees.

Poison ivy grows vigorously throughout much of North America. It can grow as a shrub up to about 1.2 m (4 ft) tall, as a groundcover 10-25 cm (4-10 in) high, or as a climbing vine on various supports.

After determining the vine was indeed poison ivy, Fedrock contacted Guinness, which confirmed he held the record. The incredible length exceeds the typical 1-foot to 4-foot growth of the plant.

Look at the photo which shows Virginia creeper and poison ivy vines growing, side by side up the same tree trunk. You can see how folks might confuse these plants when they grow in such proximity.

A 68-foot vine found growing on a tree on Robert Fedrock's Paris, Ontario, property has been officially named the tallest poison ivy plant in the world by Guinness World Records.

Close up, from eye level, the world's tallest poison ivy plant looks like 'a great big hairy vine,' says Robert Fedrock, the Paris, Ont., man who found it. (Submitted by Robert Fedrock) ...