M. C. Tebbitt, “RECIRCUMSCRIPTION AND NEW SYNONYMS OF BEGONIA ACERIFOLIA (BEGONIACEAE) AND AMENDED DESCRIPTIONS OF THE POORLY KNOWN B. HYDROPHYLLOIDES AND B. VELATA ”, Edinburgh J. Bot., vol. 74, no. 2, pp. 217–228, Apr. 2017, doi: 10.1017/S0960428617000105.