1 Center for Applied Biodiversity Science, Conservation International, Washington, D.C, 20037, U.S.A.
2 Climate Change Research Group , Ecology and Conservation, National Botanical Institute, Cape Town, South Africa.
3 The World Bank , Washington, D.C. 20433, U.S.A.
4 Botany Department , University of Cape Town, Cape Town, South Africa.
5 Department of Biological Sciences , College of Science and Liberal Arts, Florida Institute of Technology, Melbourne, FL 32901-6975, U.S.A.
6 Environment Department , University of York, York, Y010 5DD, United Kingdom.
7 Adaptation and Impacts Research Group , Environment Canada at the Faculty of Environmental Studies, University of Waterloo, Waterloo, Ontario, N2L 3G1, Canada.
8 Department of Animal and Plant Sciences , University of Sheffield, Sheffield, S10 2TN, United Kingdom.