B. washingtoniana hort. ex C. Chevalier, Les. Begonias :350. 1938; B. platanifolia auct. non Schott: Otto ex Graham, Bot. Mag.54: pl. 3591. 1837. — E.L. Jacques & M.C.H. Mamede, Revista Brasil. Bot. 28(3):583. 2005, nomen illegitimum;
Reference
Syst. Veg. 4(app): 407. 1827.— E.L. Jacques & M.C.H. Mamede,
Revista Brasil. Bot. 28(3):583. 2005; JGSL9/08; The Begonian, Aug 1970;
Article References
Curtis's botanical magazine. London; New York [etc.]: Academic Press [etc.] v. 64=ser. 2: v. 11 (1837) [no. 3542-3625]: Plate 3559, 3564, 3591 http://www.biodiversitylibrary.org/item/14220; Paxton's magazine of botany, v. 3, 1837;
Photo References
JBS, Begonias :32. 1980; The Begonian, Aug 1970; The Begonian, Jan-Feb, 2004;