1. Bolus Herbarium and Department of Biological Sciences University of Cape Town 7701 Rhodes Gift South Africa
2. Kirstenbosch National Botanical Garden South African National Biodiversity Institute 99 Rhodes Ave Newlands, Cape Town 7700 South Africa
3. Department of Botany and Zoology Stellenbosch University Matieland 7602 South Africa
4. Royal Botanic Gardens, Kew Richmond TW9 3AE Surrey UK
5. Department of Biology and Environmental Science University of Gothenburg 40530 Gothenburg Sweden
6. Gothenburg Botanical Garden (Botaniska) 41319 Gothenburg Sweden