eastern poison ivy, toxicodendron radicans

america american americana anacardiaceae appalachain appalachia appalachian area blue botanic colony danger deciduous dermatitis eastern family field forest green grow growing horizontal irritating itchy ivy leaf leaves meadow meadows mountain mountains mountian mountians native nature oak outdoors painful plant plantae plants poison prinus quercus radicans rash ridge roadside states sumac swampy toxicodendron tree trees united unrushiol usa vertical virginia way woodland woodlands woods