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.