1. Department of Botany, Moravian Museum, Zelný trh 6, Brno, CZ-659 37, Czech Republic
2. Department of Pharmacognosy and Botany, Faculty of Pharmacy, Comenius University in Bratislava, Odbojárov 10, Bratislava, SK-832 32, Slovakia
3. Department of Botany, Faculty of Natural Sciences, Comenius University in Bratislava, Révová 39, Bratislava, SK-811 02, Slovakia
4. Faculty of Forestry and Wood Technology, Mendel University in Brno, Zemědělská 3, Brno, CZ-613 00, Czech Republic
5. Via Martiri di via Fani 22, Mombaroccio, I-61024, Italy