1. Laboratory of Botany, Department of Biology, University of Patras, 26504 Patras, Greece
2. Laboratory of Systematic Botany, Department of Crop Science, Agricultural University of Athens, 11855 Athens, Greece
3. Laboratory of Pharmacognosy & Chemistry of Natural Products, Department of Pharmacy, University of Patras, 26504 Patras, Greece
4. Independent Researcher, Bakkevej 6, DK-5853 Ørbæk, Denmark