Fagus, commonly known as beech, is a genus of deciduous trees in the family Fagaceae. These trees are characterized by their smooth, gray bark and broad, leafy canopies. Fagus species are native to temperate regions of Europe, Asia, and North America, and they thrive in well-drained soils. The most well-known species include Fagus sylvatica, or European beech, and Fagus grandifolia, or American beech. Beech trees are valued for their hard, durable wood, which is used in furniture and flooring. They also provide important habitats for various wildlife, contributing to forest biodiversity.