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Irano-Turanian region showing five of the world's significant mountain systems: the Himalayas Range (HIR), Karakorum Range (KAR), Hindu Kush Range (HKR), Suleiman Range (SUR) and the Kirthar Range (KIR). Source: http://botany.org/plantsciencebulletin/psb-2008-54-4.php
