As home to over 10,000 species of plants, the Himalaya biodiversity hotspot is renowned throughout the world as being a treasure trove of medicinal herbs. These Himalayan medicinal plants, however, are threatened by the rising demand for herbal medicines, as well as by overexploitation. This new volume discusses plant tissue culture or the preservation and conservation of Himalayan endangered plants that are important for medicinal purposes, as well as for maintaining the rich biodiversity of the region.