The principle aim of this book is to put forward recent scientific information on herbal research. This edited book covers most of the aspects such as genetic diversity, ethnobotany, phytochemistry, conservation and utilization, ethnopharmacology and biotechnology. This book includes 16 chapters contributed by eminent scientists, which embodies the wealth of knowledge on various aspects of herbal research. The chapters critically reviewed by experts in the field to improve the quality. The present compilation would be extremely useful for the scientists, academicians, environmentalists and people associated with natural products and herbal science research. Since this is an edited book, the views and opinions expressed by the authors, who belong to different organizations, are entirely their own and neither Bharathiar University nor the editor takes any responsibility for the same.