The leaves are often fuzzy due to fine hairs and turn red or brown in the fall. Like poison ivy, poison oak produces small, white, or yellow berries. Poison sumac is less common but more toxic ...

Poison sumac (Toxicodendron vernix) is a highly toxic plant species native to eastern North America. It's related to poison ivy and poison oak and notorious for causing severe allergic reactions ...

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.