White birch (Betula pubescens) belongs to Betulaceae (the Birch family). It is a tall deciduous tree that is native to Europe and northen Asia. This tree grows in forests and can reach about 25 m in height. The barks are white with black splotches. The leaves are round to ovate with fine simple toothed edges, and turn yellow in fall. It is monoecious. The drooping, yellow, male inflorescences are borne at the tips of branches, and the upright, green female inflorescences are borne on the short branchlets in spring. The fruits are small nuts in the caudal clusters, and ravel out when mature.