1. Harry Butler InstituteMurdoch University, Perth, Australia
2. Department of Geography and Environmental Studies, Stellenbosch University, Stellenbosch, South Africa
3. Mpumalanga Tourism and Parks Agency, Lydenburg, South Africa
4. Department of Botany and Zoology, Stellenbosch University, Stellenbosch, South Africa
5. High Peak, Derbyshire, United Kingdom
6. City of Rockingham, Rockingham, Australia
7. Plant Diversity and Ecosystems Management Unit, School of Biosciences and Veterinary Medicine, University of Camerino, Camerino (MC), Italy
8. East Sussex, United Kingdom
9. Botany Department and the Institute for Coastal and Marine Research, Nelson Mandela University, Port Elizabeth, South Africa