There were 3 illustrations found for C.B. Clarke
Begonia sp.J. Linn. Soc., Bot., vol. 18 (x): t. 1 (1881) [C.B. Clarke]
Begonia sp.J. Linn. Soc., Bot., vol. 18 (x): t. 2 (1881) [C.B. Clarke]
Begonia sp.J. Linn. Soc., Bot., vol. 18 (x): t. 3 (1881) [C.B. Clarke]