Pham, Q. T., S. Tagane, P. Souladeth, T. Yamamoto, K. Yamazaki, D. Kongxaisavath, T. V. Nguyen, Q. B. Nguyen, and V.-S. Dang. “A New Species of Saprosma (Rubiaceae) from Nui Chua National Park, South Central Vietnam”. Phytotaxa, vol. 728, no. 2, Nov. 2025, pp. 213-9, doi:10.11646/phytotaxa.728.2.11.