]> [collector note: S. Africa 1907-1909: E, GH, MANCH, MO, NH, PRE, SAM; Kenya, Uganda 1914-1922: A, B, BM, E, K, MO, P, PC, PRE, SAM, US] Botany Dummer, Richard Arnold Dummer, Richard Arnold R. A. Dümmer Dummer Richard Arnold Dummer 1887 1922