1. Department of Botany; Faculty of Science; Charles University; Benátská 2 CZ-12801 Praha 2 Czech Republic
2. Experimental Phycology and Culture Collection of Algae; Georg-August University Göttingen; Untere Karspüle 2 D-37073 Göttingen Germany
3. Department of Lichenology and Bryology; Botanische Staatssammlung München; D-80638 München Germany
4. GeoBio-Center; Ludwig-Maximilians Universität München; Richard-Wagner-Str. 10 D-80333 München Germany
5. Senckenberg Biodiversity and Climate Research Centre (BiK-F); Senckenberganlage 25 D-60325 Frankfurt am Main Germany