1. 2Department of Ecology and Evolutionary Biology, University of Kansas, Lawrence, Kansas 66045–2106 USA;
2. 3Departmento de Botánica, Universidad de Concepción, Concepción, Chile;
3. 4Department of Higher Plant Systematics and Evolution, Institute of Botany, University of Vienna, Rennweg 14, A‐1030 Vienna, Austria;
4. 5Department of Botany, Miami University, Oxford, Ohio 54056–3433 USA;
5. 6Departmento de Biología Molecular, Universidad de Concepción, Concepción, Chile;
6. 7Department of Biology, Saint Mary's College, Notre Dame, Indiana 46556–0369 USA;
7. 8Department of Ecology and Evolutionary Biology, University of Connecticut, Storrs, Connecticut 06269–3043 USA;
8. 9Instituto Multidisciplinario de Biología Vegetal, C. C. 495, 5000 Córdoba, Argentina;
9. 10Department of Botany, Stockholm University, Stockholm, Sweden