MATHEW, P J MATHEW, P M. “Cytological Studies on Piper Barberi- a Rare Species Endemic to Western Ghats”. Journal of Spices and Aromatic Crops 1, no. 1 (June 22, 1992): 81–84. Accessed May 19, 2024. https://updatepublishing.com/journal/index.php/josac/article/view/4285.