Kumar, Anant, and Vinay Ranjan. “Revised Lectotypification of Nine Names in the Genus Hedyotis (Rubiaceae)”. Phytotaxa 630, no. 3 (December 20, 2023): 241–244. Accessed December 6, 2025. https://phytotaxa.mapress.com/pt/article/view/phytotaxa.630.3.5.