1. Slovenian Museum of Natural History, Prešernova 20, SI-1000 Ljubljana, Slovenia
2. Department of Botany, University of Innsbruck, Sternwartestraße 15, A-6020 Innsbruck, Austria
3. Department of Biology, Biotechnical Faculty, University of Ljubljana, Jamnikarjeva 101, SI-1000 Ljubljana, Slovenia
4. Department of Botany and Biodiversity Research, University of Vienna, Rennweg 14, A-1030 Vienna, Austria