1. Department of Experimental Plant Biology, Faculty of Science, Charles University, Viničná, Prague, Czech Republic
2. Institut de Systématique, Évolution, Biodiversité (ISYEB), Muséum national d’Histoire naturelle, CNRS, Sorbonne Université, EPHE, Paris, France
3. Department of Plant Taxonomy and Nature Conservation, University of Gdańsk, Wita Stwosza, Gdańsk, Poland
4. Prague Botanical Garden, Trojská, Prague, Czech Republic