ISBN 9788121109468 (Vol. I)ISBN 9788121109857 (Vol. II) The book entitled Plant Diversity in the Himalaya Hotspot Region (A Volume to Celebrate the Completion of University Service of Dr. Abhaya Prasad Das), edited by two eminent teachers of Plant Science, Prof. Abhaya Prasad Das and Prof. SubirBera, is an attempt to review the works on flora and vegetation all along the Himalaya Hotspot region and extending to the North-east India. Apart from major categories of Plant Kingdom (algae, bryophytes, pteridophytes, gymnosperms and angiosperms) and microbial groups like bacteria and fungi were also included in the volume. Contents: Volume I: Section I. Overview: Himalayan Plant Diversity: 1. Plant diversity in Indian Himalayan regions: an overview/P. Singh and S. S. Dash. Section II. Flora: Extant: 2. Conspectus of algal diversity in Sikkim/Jai Prakash Keshri and Debjyoti Das. 3. Liverwort and hornwort diversity in Indian Himalayan region/D. K. Singh. 4. Fungal diversity with special reference to wood decaying fungi in India: status, conservation and prospects/Manoj Kumar, N. S. K. Harsh and Rajendra Prasad. 5. Diversity of gymnosperms in the Himalayan region: analyzing its cascading affluences, representativeness and life supporting values/Shweta Singh, Durgesh Kumar Tripathi and Devendra Kumar Chauhan. 6. Gymnosperms diversity of the Himalaya biodiversity hotspot/Rita Singh, Jayita Biswas and Sunita Bisht. 7. Notes on the alpine flora of Arunachal Pradesh, including several species new to India/Pankaj Bharali, A. K. Das and Magnus Liden. 8. Notes on Corydalis DC. (Papaveraceae) in Eastern Himalaya with one species new to India/Magnus Liden. 9. The Genus Rhododendron L. (Ericaceae) in North-East India/Ashiho Asosii Mao. 10. The genus Anaphalis DC. (Asteraceae: Gnaphalieae) in Nepal Himalaya/Sheetal Vaidya, Lokesh R. Shakya and Arun K. Pandey. 11. Orchid diversity and their conservation in Nepal: an overview/Lokesh R. Shakya. 12. The genus Acer L. (Sapindaceae) in Darjiling-Sikkim Himalayas/Dorjay Lama, Saurav Moktan and A. P. Das. Section III. Flora: Extinct: 13. Past vegetation from the Central Himalaya/Khum N. Paudayal. 14. Neogene flora of Arunachal Himalaya/R.C. Merhotra and Gaurav Srivastava. 15. Lower Gondwana palaeofloristics in Eastern Himalaya – a review/Ashalata D’Rozario and Subir Bera. Section IV. Vegetation Structure: Through Remote Sensing: 16. Vegetation response to climate change in Himalayan hill ranges: a remote sensing perspective/Reshma M. Ramachandran and P. S. Roy. 17. Landscape level plant diversity characterization in Indian Himalayan region/Arijit Roy and S. P. S. Kushwaha. 18. Forest change monitoring and biodiversity characterization using remote sensing in the Indian Himalaya/Gaurav Srivastava, C. Sudhakar Reddy and C. S. Jha. Volume II: Section V. Vegetation Structure: Migration: 19. Indian Datura (Solanaceae), Elaeocarpus (Elaeocarpaceae) and Hindu God Nataraja/Kanchi N. Gandhi. 20. Diversity and distribution of alien flora in the Indian Himalayan region/Anzar A. Khuroo, Rameez Ahmad, Gousia Mehraj, Irfan Rashid, Akhtar H. Malik and G. H. Dar. Section VI. Vegetation Structure: Functional attributes: 21. Diversity and functional attributes of plant associated microbiota from the Himalaya Hotspot region/Rituparna Das and A. K. Paul. 22. Biodiversity characteristics of the Western Himalaya/Anil Sood, Alpy Sharma and Sanjay Kr. Uniyal. 23. Centers of plant diversity in Uttarakhand, India/Priyanka Agnihotri, Veena Dixit and Tariq Husain. 24. Plant diversity in the Biodiversity Hotspot of Indian Eastern Himalaya and its conservation/P. Lakshminarasimhan and T. K. Paul. 25. Forest type classification of Tripura in Northeast India: an overview on historical aspects and present ecological approaches/Koushik Majumdar and B. K. Datta. Section VII: Climate Changes vis-a-vis Vegetation: 26. Scenario of tree ring study of the Himalayas - present status and future outlook/Amalava Bhattacharyya and Mayank Shekhar. 27. Tree ring signatures of pluvial Little Ice Age Period in the cold-arid region of Himachal Pradesh, Western Himalaya, India/Akhilesh K. Yadava, Jayendra Singh and Ram R. Yadav. 28. Ecological vulnerability to climate change in the mountains: a case study from the Eastern Himalaya/Nakul Chettri, Karma Tsering, Arun Shrestha and Eklabya Sharma. 29. Impact of climate change on the endemic flora of Manipur, India/P. K. Singh and M. H. Devi. Section VIII: Systematics: 30. Studies on the morpho-anatomy of some species of Lepisorus (J. Sm.) Ching of South Sikkim/Gautam Ganguly and Radhanath Mukhopadhyay. 31. Role of secondary metabolites in plant systematics: an overview/Usha Chakraborty and Nishika Jaishee. Section IX. Traditional Uses: 32. Ethnobotanical studies on trees of the Lesser Himalayan region in Pakistan/Ghulam Mujtaba Shah, Arshad Mahmood Abbasi, Manzoor Hussain and Humaira Saeed. 33. Tea cultivation in the Indian Himalayan region/Sayed Edward Kabir and Chandra Ghosh. 34. Wild edible plants of Kedarnath Wildlife Sanctuary, Uttarakhand, India/Veena Chandra. Section X. Ethnopharmacology: 35. Traditional knowledge for ethnomedicine, bioprospecting and ethnopharmacology in 21st century/P. Pushpangadan, T.P. Ijinu and Vipin Mohan Dan. 36. Essential oils and aroma components of Cinnamomum species used as Cinnamon spice in North-East India/Subhan C. Nath, Shabana Hassan and Himangshu Lekhak. Section XI. Conservation Activities: 37. Orchid diversity of North-East India - classification, analysis and conservation issues/A. Nageswara Rao. 38. Ex situ approaches to conservation of Himalayan Biodiversity with particular reference to medicinal plants/L.M.S. Palni, A. Lal and M. Pant. 39. Status and strategies for conservation of threatened plants in North-Eastern India/S. K. Barik, P. P. Singh, D. Adhikari and R. Tiwary. 40. Ecology and conservation of Pteridophytes – why and how?/S. P. Khullar. 41. Conservation of Orchids of Northeast India: in situ and ex situ/S. N. Hegde. 42. Curious and unique plants from Northeast India: strong cases for conservation and further research/K. Haridasan. 43. Floristic diversity of Northeast India and its conservation Initiatives/P. Saikia and M. L. Khan.