PHUONG, V. X.; VU, D. Q.; XUYEN, D. T. Genus Didymocarpus Wall. and a new record of species Didymocarpus purpureobracteatus Smith for the flora of Vietnam from Xuan Lien natural reserve, Thanh Hoa province. Academia Journal of Biology, [S. l.], v. 36, n. 1, p. 46–50, 2014. DOI: 10.15625/0866-7160/v36n1.4516. Disponível em: https://vjs.vjs.ac.vn/index.php/vjbio/article/view/4516. Acesso em: 25 oct. 2021.