Betula glandulosa, commonly known as the American dwarf birch, is a deciduous shrub that grows up to 10 ft tall. It has nearly round, 1" leaves and is native to North America, occurring in arctic and cool temperate areas from Alaska east to Newfoundland, southern Greenland, and southern New York. It grows in high altitudes up to 11,000 ft, making it a versatile plant. This species is multi-stemmed, with slender trunks and dark brown bark. With its toothed margin leaves and erect fruiting catkins, this shrub thrives in moist, well-drained soil. It is sometimes treated as a subspecies of Betula nana due to its closely related dwarf birch. Resin birch is also known as bog birch, scrub birch, shrub birch, and tundra dwarf birch, among other names.
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