Betula glandulosa, American dwarf birch, also known as resin birch or shrub birch, is a species of birch native to North America, occurring in arctic and cool temperate areas from Alaska east to Newfoundland and southern Greenland, and south at high altitudes to northern California, Colorado, and the Black Hills of South Dakota in the west, and locally south to northern New York in the east. In the Arctic it occurs down to sea level, while in the south of the range, it grows as high as 3,400 metres (11,200 ft) altitude.