1. Department of Pharmaceutical Sciences “A” , Laboratory of Botany, Cryptogamy and Plant Biology, Faculty of Pharmacy of Monastir , Monastir , Tunisia .
2. University of Carthage , Laboratory of Forest Ecology, National Research Institute of Rural Engineering, Water and Forests , Ariana , Tunisia .
3. University of Jendouba , Department of Silvo-Pastoral Resources , Laboratory of Silvo-Pastoral Resources, Silvo-Pastoral Institute of Tabarka , Tabarka , Tunisia .