Pande, P. K., J. C. Ghyldiyal, and Pallavi Gautam. 2013. “Secondary Xylem Anatomy of Root and Stem of <I>Alstonia scholais< I>, <I>Bischhiofia javanica< I> And <I>Trewia nudiflora< I>: The Characteristic Plant Species of Manu Fresh Water Swamp, Rishikesh, Dehradun (India)”. Indian Forester 139 (8):726-30. https://doi.org/10.36808/if/2013/v139i8/35611.