Suchandrima Siddhanta,^1,* Subir Bera,^1,** Debabrata Maity<sup>1,***

1</sup>Department of Botany, University of Calcutta, 35 Ballygunge Circular Road, Kolkata 700 019, West Ben

^*Suchandrima Siddhanta, research fellow, Centre of Advanced Study, Department of Botany is a senior research fellow of the department working on pollen flora of Sikkim Himalaya. She did her MSc from University of Kalyani with Taxonomy of Angiosperms and Biosystematics specialization. Her main interest is in the study of pollen flora.
^**Subir Bera, professor & programme coordinator, Centre of Advanced Study, Department of Botany, University of Calcutta is a senior Palaeobotanist of India working on vegetation history and climate change of south east Asia using plant micro and megafossile proxies.
^***Debabrata Maity, assistant professor, Centre of Advanced Study, Department of Botany, University of Calcutta is an experienced taxonomist working on Eastern Himalayan flora for nearly two decades. He has a master's degree in Taxonomy of Angiosperms from University of Kalyani. Debabrata also holds a Ph. D. in Eastern Himalayan flora (Vascular Plant Diversity of Kanchenjunga Biosphere Reserve, Sikkim) jointly from Botanical Survey of India and University of Kalyani. His main interests are in the study of Alpine flora of Eastern Himalaya as well as pollen and pollination behavior of high altitude plants.