1. Bolus Herbarium and Department of Biological Sciences; University of Cape Town; Private Bag X3 Rondebosch 7701 South Africa
2. Fynbos Node; South African Environmental Observation Network; Private Bag X7 Rhodes Drive Claremont 7735 South Africa
3. Department of Biological Sciences; Centre for Statistics in Ecology, Environment and Conservation; University of Cape Town; Private Bag X3 Rondebosch 7701 South Africa