Spring time is the season for Poison Plants. Poison Ivy is similar to Maple tree leaves, Poison Oak similar to the Oak tree leaves, and Poison Sumac looks almost like Walnut tree leaves. be aware!
Old Navy Attention Poison Oak Sleeve Shirt
Good to know. Watch out for Poison Oak & Ivy (at school!)- a good guide on "How to treat and avoid poison ivy, poison oak and poison sumac"
For all who are new to the US: learn how to identify Poison Ivy with its 3 leaves, be cautious when going for a walk or gardening, this plant is really bad. How to Identify Poison Ivy - Infographic
Is that plant poison oak or not? These photos show poison oak leaves in several shapes and the plants they are imitating.
To the untrained eye, the poison ivy plant (Toxicodendron radicans) can often be difficult to notice as you're walking around in the woods. This can help you identify it. - from Dream Garden
Poison oak growing on street corner in Pacific Grove, California
Get Poison Oak Before It Gets You: Photo of poison ivy vine with leaves at various stages of growth. Poison oak looks similar but the leaves are shaped like oak leaves.