The highest content of geraniol was detected in the essential oil of the Kermanshah genotype (37.5%); however, in the Fars1, Fars2, Tehran, Gilan, East Azar, Kermanshah and Qom genotypes this component was not detected. Linalool was detected in the essential oil of all genotypes, and the highest amount of this component was in Fars2 (39.2%). Hydrocarbons had the highest contribution to the essential oil of the East Azar genotype. The major hydrocarbons identified in all genotypes were nonadecane (10.7 to 51.2%), heneicosane (3.7 to 18%), eicosane (0.8 to 6.2%) and tricosane (0.5 to 2.4%).