Nguyen, Q. B., Truong, B. V., Nguyen, Q. C., Tagane, S., Pham, van N., Quach, van T. E., Huynh, H. D., Pham, Q. T. and Dang, V.-S. (2025) “Psychotria honbaensis, a new species of Psychotria (Rubiaceae) with bacterial nodules from Hon Ba Nature Reserve, southern Vietnam”, Phytotaxa. Auckland, New Zealand, 698(4), pp. 269–276. doi: 10.11646/phytotaxa.698.4.6.