Bijoy Krishna Girls’ College, Department of Botany, Howrah Railway Station, Howrah - 711101, West Bengal, India
Botanical Survey of India, AJ.C. Bose Indian Botanic Garden, Howrah - 711103, West Bengal, India
Taxonomy and Biosystematics Laboratory, Department of Botany, University of Calcutta, 35, Ballygunge Circular Road, Kolkata - 700 019, West Bengal, India