TORREFIEL, J. T.; BUOT JR., I. E. Hoya carandangiana, Hoya bicolensis, and Hoya camphorifolia (Apocynaceae) Species Delineation: Insights from Leaf Architecture. The Thailand Natural History Museum Journal, [S. l.], v. 11, n. 1, p. 35–44, 2017. Disponível em: https://li05.tci-thaijo.org/index.php/thnhmj/article/view/1850. Acesso em: 4 oct. 2026.