Ghildiyal, J.C. and Srivastava, M.M. 2007. Root Diversity in Characteristic Plant Species of Manu Swamp : a Sub-tropical Fresh-water Swamp at Rishikesh (Dehra Dun). Indian Forester. 133, 11 (Nov. 2007), 1526–1534. DOI:https://doi.org/10.36808/if/2007/v133i11/1506.