1. Department of Systematics, Biodiversity and Evolution of Plants, Albrecht‐von‐Haller Institute of Plant Sciences University of Göttingen Untere Karspüle 2 37073 Göttingen Germany
2. Department of Botany, National Museum of Natural History Smithsonian Institution P.O. Box 37012, MRC 166 Washington D.C 20013‐7012 U.S.A.
3. School of BioSciences The University of Melbourne Parkville Victoria 3010 Australia
4. National Herbarium of New South Wales Australian Institute of Botanical Science, Royal Botanic Gardens & Domain Trust Mrs Macquaries Rd Sydney NSW 2000 Australia
5. Departamento de Biologia, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto Universidade de São Paulo Av. Bandeirantes 3900, CEP 14051‐901, Ribeirão Preto São Paulo Brazil
6. Bolus Herbarium, Botany Department University of Cape Town Private Bag X3, Rondebosch Cape Town South Africa 7701
7. Queensland Herbarium, Department of Environment and Science Brisbane Botanic Gardens Mt Coot‐tha Road, Toowong Queensland 4066 Australia
8. The Steere Herbarium The New York Botanical Garden Bronx New York 10458‐5126 U.S.A.