1. Laboratoire Écologie, Systématique, Évolution, Université Paris-Sud, CNRS UMR 8079, 91405 Orsay, France
2. Centre for Macroevolution and Macroecology, Research School of Biology, Australian National University, Canberra, ACT 0200, Australia
3. School of Biological Sciences, University of Sydney, Sydney, NSW 2006, Australia
4. L.H. Bailey Hortorium, Department of Plant Biology, Cornell University, Ithaca, NY 14853, USA
5. School of Plant Science, University of Tasmania, Private bag 55, Hobart, TAS 7001, Australia
6. Department of Geosciences, Pennsylvania State University, University Park, PA 16802, USA
7. National Herbarium of Victoria, Royal Botanic Gardens Melbourne, Private Bag 2000, South Yarra, VIC 3141, Australia
8. School of Botany, The University of Melbourne, Melbourne, VIC 3010, Australia
9. Department of Ecology and Environmental Biology, School of Earth and Environmental Sciences, University of Adelaide, Adelaide, SA 5005, Australia
10. Department of Geology, University of Otago, PO Box 56, Dunedin 9054, New Zealand
11. School of Geography and Environmental Science, Monash University, Melbourne, VIC 3800, Australia