1. Department of Botany, University of Wisconsin‐Madison, Madison, Wisconsin 53706 USA
2. Department of Systematic and Evolutionary Botany, Faculty of Life Sciences, University of Vienna, Vienna A‐1030, Austria
3. Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, Massachusetts 02183 USA
4. Department of Ecology and Evolutionary Biology, University of Michigan, Ann Arbor, Michigan 48109 USA
5. Department of Botany and Molecular Evolution, Research Institute Senckenberg and J. W. Goethe University, Frankfurt am Main D‐60325, Germany
6. Australian Tropical Herbarium, James Cook University, Cairns QLD 4878, Australia
7. GenXPro, Frankfurt am Main 60438 Germany
8. Department of Biological Sciences, Old Dominion University, Norfolk, Virginia 23529 USA
9. Department of Plant Sciences, University of Oxford, Oxford OX1 3RB, UK
10. Smithsonian Tropical Research Institute, Balboa, Ancon, Republic of Panama
11. Department of Botany, University of Wyoming, Laramie, Wyoming 82071 USA
12. Department of Biology, Grand Valley State University, Allendale, Michigan 49401 USA
13. Marie Selby Botanical Gardens, Sarasota, Florida 34236 USA