1. Institute of Organic Chemistry, Technische Universität Braunschweig, Hagenring 30, 38106 Braunschweig, Germany
2. Department of Botany and Biodiversity Research, University of Vienna, Rennweg 14, 1030 Vienna, Austria
3. Department of Systematics and Ecology, Federal University of Paraíba, 58051-900 João Pessoa, Brazil
4. Department of Biosciences, Paris-Lodron University of Salzburg, Hellbrunnerstraße 34, 5020 Salzburg, Austria