Reference
Minh Quan Dang, Manh Ha Nguyen, Nghia Son Hoang, Van Tho Le, Thi Mai Huong Nguyen, Nguyen Quynh Chi Ho, Ba Vuong Truong, Van Son Dang (2022): Two new species of Lasianthus Jack (Rubiaceae) from southern Vietnam – European Journal of Taxonomy – 0806: 19 - 31.