1. Department of Conservation Ecology and Entomology and Centre for Invasion Biology Stellenbosch University Private Bag X1, Matieland 7602 South Africa
2. Centre for Invasion Biology, Department of Botany and Zoology Stellenbosch University Matieland South Africa
3. Laboratory of Applied Ecology, CITAB – Centre for the Research and Technology of Agro‐Environment and Biological Sciences University of Trás‐os‐Montes e Alto Douro Vila Real Portugal
4. Research Network in Biodiversity and Evolutionary Biology, Research Centre in Biodiversity and Genetic Resources (InBIO‐CIBIO), Faculty of Sciences University of Porto Campus Agrário de Vairão, Vairão Portugal
5. Botany Department and Interuniversity Institute for Earth System Research (IISTA‐CEAMA, iEcolab) University of Granada, Faculty of Sciences, Campus Fuentenueva s/n Granada 18071 Spain
6. Nürtingen‐Geislingen University of Applied Sciences (HFWU) Nürtingen Germany