Lanorsavanh, S., Souvannakhoummane, K. , Lamxay, V. and Chanthavongsa, K. 2021. Two new species and a new record of Begonia (Begoniaceae) from Vangvieng karst limestone in central Laos. Thai Forest Bulletin (Botany). 49, 2 (Oct. 2021), 191–200. DOI:https://doi.org/10.20531/tfb.2021.49.2.06.