Each plant has distinct characteristics that ... Manual removal is one of the most effective ways to get rid of poison ivy, oak, and sumac, especially for small infestations.

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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.

Poison sumac grows year-round and any part of the plant, including the leaves ... Poison sumac works the same way as poison ivy and poison oak — all three plants contain an oil called urushiol ...

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.

For example, minimal exposure may have limited symptoms and resolve in less time, says John Jelesko, PhD, associate professor in the School of Plant ... poison ivy rash? Poison ivy, poison oak ...

Plants can be toxic, known to many people who experience contact dermatitis from the "poison" plants (e.g., poison ivy, poison oak, poison sumac); however ... and a medicinal plant new to the ...