PORNPONGGRUNGRUENG, P.; CHANTARANOTHAI, P. Pollen morphology of the tribe Inuleae (Compositae) in Thailand. Thai Forest Bulletin (Botany), [S. l.], n. 30, p. 116–123, 2014. Disponível em: https://li01.tci-thaijo.org/index.php/ThaiForestBulletin/article/view/24859. Acesso em: 20 aug. 2022.