Begonia calderonii Standl. in Publ. Field Columbian Mus., Bot. Ser. 8(1): 27. 1930 sec. Burt-Utley 2014
- =Begonia falcata L.B. Sm. & B.G. Schub. in Contr. Gray Herb. 127: 28–29, t. 2, f. 19–21. 1939 syn. sec. Burt-Utley 2014
- =Begonia francisiae Ziesenh., Begonian 17: 220, 219, f. 1–18. 1950 syn. sec. Burt-Utley 2014