PARNELL, J. A.; PEDERSEN, H. Æ.; HODKINSON, T. R.; BASLEV, H.; VAN WELZEN, P. C.; SIMPSON, D.; MIDDLETON, D. J.; ESSER, H.-J.; POOMA, R.; UTTERIDGES, T.; STAPLES, G. Hybrids and the Flora of Thailand. Thai Forest Bulletin (Botany), [S. l.], n. 41, p. 1–9, 2014. Disponível em: https://li01.tci-thaijo.org/index.php/ThaiForestBulletin/article/view/24090. Acesso em: 28 jun. 2022.