1. Anonymous, 1886-1970. Index Kewensis Plantarum Phanerogamarum. Vol. 1-2 (1883-1885) and 15 Suppl. Clarendron Press, Oxford.
2. Aswal, B.S. and Mehrotra, B.N., 1994. Flora of Lahaul-Spiti (A cold desert in north West Himalaya). Bishen Singh Mahendra Pal Singh, Dehradun.
3. CAMP, 2010. Threatened Medicinal Plants of Himachal Pradesh, Report of the ‘CAMP’ Workshop (Conservation Assessment & Management Prioritisation) held at Shimla on 1-4 December 2010 Sponsored by National Medicinal Plants Board, Government of India. Organised by: Himachal Pradesh Forest Department.
4. Census, 2011. Census of India, 2011- Himachal Pradesh: District Census Handbook, Lahul and Spiti.
5. Chowdhery, H.J. and Wadhwa B.M., 1984. Flora of Himachal Pradesh, Vols. 1-3. Botanical Survey of India, Calcutta.
6. Kanjilal, U.N., Kanjilal, P.C., Das, A., De, R.N. and Bor, N.L., 1934-40. Flora of Assam. Reprint 2013, Bishen Singh Mahendra Pal Singh, Dehradun.
7. Negi, P.S. and Subramani, S.P., 2015. Wild edible plant genetic resources for sustainable food security and livelihood of Kinnaur district, Himachal Pradesh, India. International Journal of Conservation Science, 6(4), pp.120-125.
8. Rana, J.C., Pradheep, K., Chaurasia, O.P., Sood, S., Sharma, R.M., Singh, A. and Negi, R., 2012. Genetic resources of wild edible plants and their uses among tribal communities of cold arid region of India. Genetic Resources and Crop Evolution, 59(1), pp.135-149. https://doi.org/10.1007/s10722-011-9765-7
9. Roland, C., 2020. Ephedra gerardiana. The IUCN Red List of Threatened Species 2020: e.T149444511A150130945.
10. Samant, S.S. and Dhar, U., 1997. Diversity, endemism and economic potential of wild edible plants of Indian Himalaya. The International Journal of Sustainable Development & World Ecology, 4(3), pp.179-191. https://doi.org/10.1080/13504509709469953
11. Samant S.S., Dhar, U. and Rawal, R.S., 2001. Diversity and distribution of wild edible plants of Indian Himalaya. In Pandey, P.C. and Samant, S.S. (eds), Plant diversity of the Himalaya, pp.421-482. Gyanodaya Prakashan, Nainital.
12. Samant, S.S., 2015. Assessment, valuation and conservation prioritization of floristic diversity in the trans, north west and west Himalaya. D.Sc. Thesis, Kumaun University Nainital.
13. Saxena, S., Bhardwaj, A.K., Kumar, V., Patel, M.K., Kumar, R. and Chaurasia, O.P., 2018. Sustainable utilisation of medicinal plants of Ladakh and Lahaul-Spiti of Trans-Himalaya. Defence Life Science Journal, 3(2), pp.120-125. https://doi.org/10.14429/dlsj.3.12566
14. Sharma. L., Samant, S.S., Kumar. A., Lal, M., Devi, K. and Tewari, L.M., 2018. Diversity, distribution pattern, endemism and indigenous uses of wild edible plants in Cold Desert Biosphere Reserve of Indian Trans Himalaya. Indian Journal of Traditional Knowledge, 17(1), pp.122-131.
15. Sharma, P. and Samant, S.S., 2017. Diversity, distribution, indigenous uses and conservation of orchids in Parvati Valley of Kullu District, Himachal Pradesh, North Western Himalaya. Journal of Biodiversity and Species, 5, pp.1-5.
16. Singh, A., 2007. Assessment of Plant Diversity and Conservation Status of Forest Vegetation in a Cold Desert Biosphere Reserve of the Western Himalaya. Ph.D. Thesis, Kumaun University, Nainital.
17. Singh, A., Lal, M. and Samant, S. S., 2009. Diversity, indigenous uses and conservation prioritization of medicinal plants in Lahaul valley, proposed Cold Desert Biosphere Reserve, India. International Journal of Biodiversity Science & Management, 5(3), pp.132-154. https://doi.org/10.1080/17451590903230249
18. Singh, A., Butola, J.S., Samant, S.S., Sharma, P., Lal, M. and Marpa, S., 2012. Indigenous techniques of product development and economic potential of Seabuckthorn: a case study of Cold Desert region of Himachal Pradesh, India. Proceedings of the National Academy of Sciences, India Section B: Biological Sciences, 82(3), pp.391-398. https://doi.org/10.1007/s40011-012-0042-0
19. Singh, H.B. and Arora, R.K., 1978. Wild edible plants of India. Indian Council of Agricultural Research, Publication, New Delhi.
20. Sundriyal, M. and Sundriyal, R.C., 2001. Wild edible plants of the Sikkim Himalaya: Nutritive values of selected species. Economic Botany, 55(3), pp.377-390. https://doi.org/10.1007/BF02866561
21. Ved, D.K., Kinhal, G.A., Ravikumar, K., Prabhakaran, V., Ghate, U., Vijaya Shankar, R. and Indresha, J.H., 2003. Conservation assessment and management prioritization for the medicinal plants of Jammu & Kashmir, Himachal Pradesh & Uttaranchal. Foundation for Revitalisation of Local Health Traditions, Bangalore.
22. Watt, G., 1889-1899. The dictionary of economic products of lndia. Vol. 1-6. Reprint 1972, Bishen Singh Mahendra Pal Singh, Dehradun.