This contributed volume provides a comprehensive, in-depth and subject-based reviews on the current status of active ingredients, sustainable use, biodiversity and conservation of certain endangered medicinal plants. The book also explores conventional and non-conventional biotechnological interventions for their biodiversity conservation. Medicinal plants have been used in worldwide as a major source of raw material for the traditional herbal healthcare practices as well as for drug discovery and development in pharmaceutical industry. The cumulative consequences of various human activities...