Lin, C.-W., Chung, S.-W. and Peng, C.-I. 2014. Three new species of Begonia (sect. Petermannia, Begoniaceae ) from Sarawak, Borneo. Phytotaxa. 191, 1 (Dec. 2014), 129–140. DOI:https://doi.org/10.11646/phytotaxa.191.1.8.