QUANG, B. H.; CUONG, N. T. A new record species Rothmannia wittii (Craib) Bremek. (Rubiaceae) for the flora of Vietnam. Academia Journal of Biology, [S. l.], v. 37, n. 4, p. 458–462, 2015. DOI: 10.15625/0866-7160/v37n4.6952. Disponível em: https://vjs.ac.vn/index.php/vjbio/article/view/6952. Acesso em: 27 sep. 2022.