Chemical and genetic differentiation of two Mediterranean subspecies of Teucrium scorodonia L.

► Investigation of chemical and genetic diversity of Corsican T. scorodonia ssp. scorodonia. ► Investigation of chemical and genetic diversity of Algerian T. scorodonia ssp beaticum. ► Study of chemical composition of essential oils using GC and GC/MS after column chromatography. ► Study of plant genetic structure using two chlororoplast markers and ribosomal nuclear markers. ► Chemical and genetic correlation.