1. South African Environmental Observation Network (SAEON): Arid Lands Node, Kimberley, South Africa
2. Department of Biological Sciences, University of Cape Town, Cape Town, South Africa
3. Invasives Monitoring and Reporting, South African National Biodiversity Institute, Cape Town, South Africa
4. South African Environmental Observation Network, Prince Albert, South Africa
5. RenuKaroo, Prince Albert, South Africa
6. Nelson Mandela Metropolitan University, Port Elizabeth, South Africa