 At the treeline, where mean July temperatures are between 10 and 12 °C, woody shrubs up to 2 m tall are abundant.The number of vascular plants in local floras available to form plant communities increases from fewer than 50 species in the coldest parts of the Arctic to as many as 500 species near treelines.A circumpolar map of 15 different Arctic types was created by an international team of vegetation scientists, representing the six countries of the Arctic