1. Fynbos Node; South African Environmental Observation Network (SAEON); Centre for Biodiversity Conservation; Kirstenbosch Gardens; Private Bag X7; Rhodes Drive; Claremont 7735 Cape Town South Africa
2. Department of Botany and Zoology; Stellenbosch University; Matieland 7602 South Africa
3. Department of Biological Sciences; University of Cape Town; Rondebosch 7701 South Africa
4. Department of Botany; University of Otago; PO Box 56 Dunedin 9054 New Zealand
5. Biodiversity and Climate Research Centre (BiK-F); Senckenberg Gesellschaft für Naturforschung; Senckenberganlage 25 60325 Frankfurt am Main Germany