Tamizi, Amin-Asyraf, et al. “Insights into The Diversity of Nepenthes L. (Nepenthaceae) Across Peninsular Malaysia, Including The First Sighting of an Undescribed Taxon With Flared Peristomes and Quadruple-Row Ventral Wings”. Journal of Sustainable Natural Resources, vol. 4, no. 1, Aug. 2023, pp. 10-36, https://publisher.uthm.edu.my/ojs/index.php/jsunr/article/view/13879.