1. The Current Status of Population Extinction and Biodiversity Crisis of Medicinal Plants -- 2. Medicinal Plants and Bioactive Phytochemical Diversity: A Fountainhead of Potential Drugs against Human Diseases -- 3. Threats and opportunities for sustainable use of medicinal plants in Brazilian Atlantic Forest based on the knowledge of Indigenous Peoples and Local Communities -- 4. Climate Change Impact on Medicinal Plants: An Insight from the IUCN Red List Of Threatened Species -- 5. Securing Conservation Status of Paris Polyphylla, a Medicinally Important Plant of the Indian Himalayan Region -- 6. Endophytic Fungal Diversity in Solanaceous Medicinal Plants and Their Beneficial Impact -- 7. Genetic Studies on Threatened Medicinal Plants of Brazil: Mind the Gap -- 8. Medicinal Plants of North-east India: Biodiversity and Their Ethno-Medicinal Values -- 9. Strategies for Conservation and Sustainable Use of Medicinal Plants -- 10. Scientific Databases for Conservation of Medicinal Plants -- 11. International Trade of Medicinal and Aromatic Plants (MAPs) -- 12. Inventorization of Ecology, Ethnobotany and Conservation Status of Dactylorhiza hatagirea: Problems Progress and Prospects -- 13. Conservation and Sustainable Use of Medicinal Plants -- 14. Traditional Practices of Ethnomedicinal Plants in North-East Region of India and Their Conservation for Sustainable Utilization -- 15. Occurrence and Diversity of Major Naphthoquinones in Higher Plants: Their Distribution and Conservation Strategies -- 16. Astragalus fridae genetic Source,Applications, and Conservation -- 17. Tinospora cordifolia as a Potential Candidate for Health Care Of Post-Menopausal Women -- 18. The Potential Role of Medicinal Plants, Traditional Herbal Medicines and Formulations to Overcome SARS-CoV-2 Induced Health Crisis -- 19. Bioactive Compounds from Medicinal Plants and Its Therapeutic Uses in the Traditional Health Care System -- 20. In-Vitro conservation and propagation of endangered Ethno-Medicinal Orchids from the Northeast Region of India -- 21. Artificial Seed Production and Cryopreservation Technology for Conservation of Plant Germplasm with Special Reference to Medicinal Plants -- 22. Biotechnological Studies on Nasturtium Officinale (Watercress) - An Endangered Species of Significant Relevance in Medicine, Cosmetic, and Food Industries -- 23. Isatis tinctoria L. (woad) - Cultivation, Phytochemistry, Pharmacology, Biotechnology, and Utilization -- 24. Tissue Culture Techniques to Conserve Endangered Medicinal Plants with Antimicrobial and Antiviral Activities -- 25. Insights into the In Vitro Approaches for the Production of Secondary Metabolites Towards The Conservation of Medicinal Orchids -- 26. Biotechnological Approaches for Ex Situ Conservation of Medicinal Plants -- 27. Conservation of Medicinal Plants by Tissue Culture Techniques -- 28. Current Statusof Metabolic Engineering of Medicinal Plants for Production of Plant-derived Secondary Metabolites -- 29. Stationary, Agitated and Bioreactor Cultures of Verbena officinalis L. (Common Vervain) - A Potential Rich Source of Bioactive Phenolic Compounds for Pharmacy, Health Food Industry and Cosmetology.