1. Duke University, Department of Biology, Durham, North Carolina 27708 USA
2. Centro de Ciências do Mar, Universidade do Algarve, Campus de Gambelas, 8005‐139 Faro, Portugal
3. Institute of Systematic Botany, The New York Botanical Garden, Bronx, New York 10458 USA
4. Institute of Botany, University of Liège, B22 Sart Tilman, B‐4000 Liège, Belgium
5. Tasmanian Herbarium, Private Bag 4, Hobart, Tasmania 7001, Australia
6. Australian Antarctic Division, Channel Highway, Kingston, Tasmania 7050, Australia
7. Departamento de Botánica, Universidad de Concepción, Casilla 160‐C, Concepción, Chile
8. Departments of Environmental Studies and Biological Sciences, Binghamton University, Vestal Parkway East, P.O. Box 6000, Binghamton, New York 13902 USA
9. Department of Systematic and Evolutionary Botany, Faculty of Life Sciences, University of Vienna, Rennweg 14, A 1030 Vienna, Austria