Mountain ashes refer to a type of tree with vibrant red berries commonly found in the mountainous regions of North America and Europe. This tree is known by different names depending on its location and species. In North America, it is called a rowan tree, while in Europe, it is commonly referred to as a sorb. Another synonym for mountain ash is the tree's Latin name Sorbus aucuparia. Other names for the tree include quickbeam, wild ash, and Whitty pear. In folklore, it is said that hanging a branch of the tree above one's door can ward off evil spirits. Regardless of its name, the mountain ash is a beautiful and beneficial tree that has served both humans and animals for centuries.