Poison ivy (Toxicodendron radicans) is a vine that contains an oily resin known as urushiol. According to the Centers for ...

Sixty-six-year-old Ivy Granstrom jogs, skis, bowls, gardens and does carpentry work. Sometimes she walks into a wall. Due to insufficient care at birth, she enjoys only 4.5% vision, but she doesn ...

But others — such as English ivy, a popular ornamental — still can be pushy loudmouths at the garden party, choking building walls. Poison ivy annoys with its notorious skin rash. And common ...