Wangwasit, K. and Wangwasit, K. 2025. The genus Pitardella (Rubiaceae) in Thailand with a description of Pitardella poilanei. Thai Forest Bulletin (Botany). 53, 1 (Apr. 2025), 19–24. DOI:https://doi.org/10.20531/tfb.2025.53.1.03.