Gyeltshen, Phub, and Sherab Jamtsho. “New Distribution Records of Two Begonias to the Flora of Bhutan”. Journal of Threatened Taxa 13, no. 11 (September 27, 2021): 19626–19631. Accessed January 21, 2022. https://www.threatenedtaxa.org/index.php/JoTT/article/view/6756.