]> [author note: U; Cactaceae] Example of Name Published: Discocactus boomianus Buining & Brederoo, Succulenta 50 (2): 26. 1971 Botany Brederoo, Arnold J. (`Nol') Brederoo, Arnold J. (`Nol') A. J. Brederoo Brederoo Arnold J. (`Nol') Brederoo 1917 ? 1999