1. Unit for Environmental Sciences and Management School of Biological Sciences North‐West University Potchefstroom 2520 South Africa
2. South African Institute for Aquatic Biodiversity (SAIAB) Grahamstown 6140 South Africa
3. Department of Molecular Biosciences The University of Texas at Austin Austin Texas78712 USA
4. Department of Biology Faculty of Science University of Zagreb Zagreb 10000 Croatia
5. Centre for High Resolution Transmission Electron Microscopy Faculty of Science Nelson Mandela University Port Elizabeth 6031 South Africa
6. Department of Zoology Institute for Coastal and Marine Research Nelson Mandela University Port Elizabeth 6031 South Africa
7. Research Department Botanic Garden Meise B‐1860Meise Belgium
8. Department of Biology University of Antwerp ECOBE 2020Antwerpen Belgium