BAKHUIZEN VAN DEN BRINK, JR., R. C. A Synoptical Key to the Genera of the Rubiaceae of Thailand. Thai Forest Bulletin (Botany), [S. l.], n. 9, p. 15–55, 2014. Disponível em: https://li01.tci-thaijo.org/index.php/ThaiForestBulletin/article/view/25307. Acesso em: 20 apr. 2024.