There were 2 illustrations found for R. Pedder-Smith
869843 Ratibida columnifera (Nutt.) Wooton & Standl.W. Curtis, Bot. Mag., ser. 2, vol. 23(): : t. 566 (2006) [R. Pedder-Smith]
139344 Berkheya purpurea (DC.) Benth. & Hook.f. ex Mast.W. Curtis, Bot. Mag., ser. 2, vol. 23(): : t. 568 (2006) [R. Pedder-Smith]