1. University of Canterbury, School of Biological Sciences, Private Bag 4800, Christchurch 8140 New Zealand
2. Oklahoma State University, Department of Botany, 104 Life Science East, Stillwater, Oklahoma 74078 USA
3. Miami University, Department of Botany, 316 Pearson Hall, Oxford, Ohio 45056 USA
4. University of Cincinnati, Department of Biological Sciences, 614 Rieveschl Hall, Cincinnati, Ohio 45221 USA
5. Swedish Museum of Natural History, Department of Phanerogamic Botany, P.O. Box 50007 SE‐104 05 Stockholm, Sweden
6. Johannes Gutenberg‐Universität Mainz, Institut für Spezielle Botanik und Botanischer Garten, 55099 Mainz Germany