The poison oak that grows in the east, Toxicodendron pubescens, can look a lot like poison ivy and they even grow intermixed, which adds to the confusion.But there are some distinct difference from eastern poison ivy which we look at in photos below.
Atlantic Poison-Oak (Toxicodendron pubescens)
Toxicodendron pubescens - Wikipedia
Atlantic poison-oak, Toxicodendron pubescens Sapindales: Anacardiaceae
Atlantic Poison Oak
Poison Oak Pictures: What Poison Oak Plants Look Like
Atlantic poison-oak (Toxicodendron pubescens)
Hoosier Gardener: Take precautions when removing plants containing skin irritants
Toxicodendron pubescens - Wikipedia
Atlantic poison-oak (Toxicodendron pubescens)
Poison Oak Naturedigger
Maryland Biodiversity Project - Atlantic Poison Oak (Toxicodendron
Toxicodendron pubescens (Atlantic Poison Oak, Eastern Poison Oak