Mason Heberling, associate curator of botany at the Carnegie Museum of Natural History, holds a poison ivy specimen collected in Lehigh County, Pa. in 1840, the oldest used in the study. A new study ...

RICHMOND, Va. (WRIC) — Most of us have heard the old saying, likely from adults trying to protect us when we were young and inexperienced: “Leaves of three, let it be.” But is that truly an accurate ...

Poison ivy, Rhus radicans or Toxicodendron radicans, is an undeniable plant menace in home landscapes. I’m allergic to its plant oils, as you may be. It’s the plant we all love to hate. Purdue experts ...

Many Ozarkians are gearing up for summer outdoor recreation. Hiking, camping, fishing, and rafting are all popular activities in the area. Anyone outdoors brushing up against plants may occasionally ...

Anyone cleaning out overgrown areas or even just weeding should beware. Poison ivy (Toxicodendron radicans) may be growing among the plants you are handling. It pays to be able to identify this plant, ...

TYLER, Texas (KLTV) - As East Texans take to decluttering their yard from fallen leaves, poison ivy, even brown and dormant, poses a risk of irritation. Gregg County Health Authority Dr. Lewis Browne ...