PHONSENA, P. Spigelia (Loganiaceae), a new generic record for Thailand. Thai Forest Bulletin (Botany), [S. l.], n. 34, p. 176–178, 2014. Disponível em: https://li01.tci-thaijo.org/index.php/ThaiForestBulletin/article/view/24215. Acesso em: 1 jul. 2022.