Poison ivy gives most people an itchy rash. It's also a tricky plant to identify: it varies in size, shape, and color, and looks different depending on the season and location. It can carpet the ground, form bushes, and climb trees.
So how can you avoid an unpleasant encounter? One way to learn to identify this plant is through sheer experience - to see it in its many forms, as well as similar-looking plants. You normally do this by tromping through the woods. This little game will help beef up your knowledge when you're not a-tromping.