1. Depto. de Ciencias Ambientales y Recursos Naturales (dCARN) Universidad de Alicante P.O. Box 99 Alicante E‐03080 Spain
2. Division of Plant Sciences, Institute of Biology, NAWI Graz Karl‐Franzens University Graz Holteigasse 6 Graz 8010 Austria
3. Biodiversity Research and Monitoring Directorate South African National Biodiversity Institute P.O. Box 52099, Berea Road Durban 4007 South Africa
4. School of Chemistry & Physics University of KwaZulu‐Natal Durban 4041 South Africa
5. Department of Botany, Selmar Schonland Herbarium Rhodes University Grahamstown 6140 South Africa
6. Harry Butler Institute Murdoch University 90 South Street, Building 390, Murdoch WA Perth 6150 Australia
7. Department of Geography and Environmental Sciences Stellenbosch University Private Bag X1 Matieland 7602 Stellenbosch South Africa
8. Biocenter Linz Johann‐Wilhelm‐Klein‐Straße 73 Linz 4040 Austria