Phonepaseuth, P., Souvannakhoummane, K., Tagane, S., Souladeth, P., & Yahara, T. (2021). A new species of Paraboea and a new species record of Middletonia (Gesneriaceae) from a limestone karst of Central Laos. Thai Forest Bulletin (Botany), 49(1), 135–141. https://doi.org/10.20531/tfb.2021.49.1.17