An overview on lichen's morphology, chemistry of derived products, and current scenario / Mohd Yusuf -- Comparative perspectives on extraction methods for organic metabolites and pollutants from lichens / Patricia Forbes, Leandri van der Wat and Johanna Strumpher -- Review on advanced methods for extraction and identification of nature-derived bioactive and economic products / Sudarshana Deepa Vijaykumar -- Lichens and lichenology : historical and economic prospects / Munesh Sharma and Aash Mohammad -- Biomedical aspects of lichen-derived products : roadmap to alternative sources for synthetic drugs / Anjali Gupta, Pooja Agarwal, Kavita Khatana and Shafat Ahmad Khan -- Lichens as sources of antibacterial active compounds / Es-sadeqy Youness, Taha Chouati, Noura Aoussar, Imane Zalegh, Rajaa Ait Mhand, Naima Rhallabi and Fouad Mellouki -- Lichens : natural alternatives in textiles finishing / Amrita Kaushik and Pavan Prakash Giri -- A review on trends and opportunity in edible lichens / Mohd Yusuf -- Biotechnological applications of lichens / Md. Aftab Alam, Rizwana Khatoon, Shamsul Huda, Niyaz Ahmad and Pramod Kumar Sharma -- Potential of lichen's extract as natural photosensitizer for dye-sensitized solar cells / Asim Mansha, Sana, Muhammad Usman, Sadia Asim and Matloob Ahmvad -- Lichen-derived products as sustainable source of natural dyes / Shahid Adeel, Aqsa Majeed, Fazal-ur-Rehman, Muhammad Azeem, Naeem Iqbal and Nimra Amin -- Biomedical perspectives of lichen-derived products / Muhammad Shahid, Arslan Rasool, Fozia Anjum and Muhammad Tjammal Rehman.