The ANOVA with Tukey HSD test were employed to show the variability in the essential oil between populations (SPSS
Version 15). Hierarchical Cluster Analysis (HCA) and Principle Component Analyses (PCA) were used to evaluate whether the
identified essential oils components can be useful for reflecting the chemotaxonomy of J. oxicedrus L. The oil components with
concentrations higher than 1% of the total oil were subjected to a PCA and HCA analyses using the statistical analysis software,
XLSTAT Version 2014.2.03.