The leaves are three to a stem and sometimes appear glossy. The leaves and stems may also be tinged with red. If you contact the plant, wash the affected area thoroughly with soap and cool water. This will help to get rid of the oils. Do not use warm water as it will open your pores and allow the oils to work in deeper.
Poison oak can grow as a vine climbing up the side of a tree, a shrub, or a short plant.
Nettle Stinging nettle is a plant found near damp areas. The leaves and stems have fine hollow hairs on them. If you touch these hairs, they inject formic acid, which causes irritation and stinging. The discomfort goes away after a few hours, but the plant can be avoided if you know what it looks like and where it grows. There are bears in the park.