Objects
Hill, Martin P, Moran, V Clifford, Hoffmann, John H, Neser, Stefan, Zimmermann, Helmuth G, Simelane, David O, Klein, Hildegard, Zachariades, Costas, Wood, Alan R, Byrne, Marcus J, Paterson, Iain D, Martin, Grant D, Coetzee, Julie A. Springer, Cham; 2020. More than a century of biological control against invasive alien plants in South Africa: a synoptic view of what has been accomplished.
Hoffmann, John H, Moran, V Clifford, Hill, Martin P. Elsevier; 2019. Conceptualizing, categorizing and recording the outcomes of biological control of invasive plant species, at a population level.
Kleinjan,Catharina A, Hoffmann, John H, Heystek, Fritz, Ivey, Philip J, Kistensamy, Yoganambal. Sabinet; 2021. Developments and prospects for biological control of Prosopis (Leguminosae) in South Africa.
Paterson, Iain D, Hoffmann, John H, Klein, Hildegard, Mathenge, C W, Neser, Stephan, Zimmermann, Helmuth G. Biological control of cactaceae in South Africa. 2011.
Robertson, Mark P, Villet, Martin H, Fairbanks, Dean H K, Henderson, L, Higgins, Simon I, Hoffmann, John H, Le Maitre, David C, Palmer, Anthony R, Riggs, I, Shackleton, Charlie M, Zimmermann, Helmuth G. A proposed prioritization system for the management of invasive alien plants in South Africa. 2003.