Poison sumac is a type of plant that can cause an allergic skin reaction, such as a rash that may be itchy or swollen. Poison sumac is a woody shrub that grows up to 20 feet tall. Its branches have 7 ...

You may have noticed that mushrooms pop up in your yard or in parks right after a rain but don’t last for long. A mushroom is the above-ground part of a fungus. Most of the time, fungi live as ...

Summer is in full bloom and so are plants and weeds that can cause you harm. Outdoor enthusiasts, gardeners and just about everyone else should know about poison ivy, poison oak, poison sumac and ...