SUWANPHAKDEE, C.; CHANTARANOTHAI, P. The monotypic genus Zippelia Blume (Piperaceae): a new record for Thailand. Thai Forest Bulletin (Botany), [S. l.], n. 37, p. 147–150, 2014. Disponível em: https://li01.tci-thaijo.org/index.php/ThaiForestBulletin/article/view/24347. Acesso em: 23 apr. 2024.