1. Department of Biological; Chemical and Pharmaceutical Sciences and Technologies; Palermo University; via Archirafi 38 Palermo 90123 Italy
2. Department of Biological; Geological and Environmental Sciences; Section Plant Biology; Catania University; via A. Longo 19 Catania 95125 Italy
3. Department of Botany; Kherson State University; 27, 40 rokiv Zhovtnja St. Kherson 73000 Ukraine