Poison ivy grows throughout North America, especially in wooded areas, and touching it can give most people an itchy rash. Therefore, identifying and avoiding the plant is crucial if you don't ...

Unfortunately, not nearly as many are familiar with how to identify the offending plant in order to avoid contact with it.

Another plant you really want to avoid touching is the wild parsnip. These look related to the aforementioned giant hogweed, ...

The plant may have yellow or green flowers or yellow-green berries, depending on the time of year. Like poison ivy and poison sumac, poison oak releases an oil called urushiol when it sustains damage.

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.