Overview of Dioscorea deltoidea Wall. Ex Griseb: An endangered medicinal plant from Himalaya region Journal title: Journal of Biodiversity and Environmental Sciences (JBES) Authors: Nida Tahir, Yamin Bibi, Muhammad Iqbal, Mubashir Hussain, Sadaf Laraib, Irum Safdar, Gulshan Bibi Subject(s): Biological Sciences, Environmental Sciences, Biology