In the summer of 2008, Jan Kirschner led an expedition to the highlands of southeastern Kazakhstan in search of a dandelion. Not just any dandelion: He was hunting kok-saghyz, a flower much like the common roadside weed that flourishes all over the world. But kok-saghyz (pronounced “coke-suh-GEEZ”) grows only in remote valleys of the Tien Shan Mountains.
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