An Ethnobotanical study of Medicinal Plants in high mountainous region of Chail valley (District Swat- Pakistan) Ghulam Yaseen, Muhammad Pukhtoon Zada Khan, Muhammad Zafar, Sofia Rashid, Taibi ben Hadda, Syed Fazl-i-Hadi, Md. Arif Khan, M. Ahmad, S. Sultana • 2014