Sundriyal, M., R.C. Sundriyal, E. Sharma, and A.N. Purohit. 1998. “Wild Edibles and Other Useful Plants from the Sikkim Himalaya, India”. Oecologia Montana 7 (1-2), 43-54. https://om.vuvb.uniza.sk/index.php/OM/article/view/106.