MIDDLETON, D.; ATKINS, H.; TRUONG, L. H.; NISHII, K.; MÖLLER, M. <em>Billolivia</em>, a new genus of Gesneriaceae from Vietnam with five new species. Phytotaxa, [S. l.], v. 161, n. 4, p. 241–269, 2014. DOI: 10.11646/phytotaxa.161.4.1. Disponível em: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.161.4.1. Acesso em: 17 mar. 2025.