Essential oil composition in natural population of Lippia origanoides (Verbenaceae) during dry and rainy seasons : creadores Luciana Mendes-Souza, Francine Sousa Alves-Fonseca, Julio Cesar Silva, Amanda Silva, Julian Silva, Ernane Martins. - Mendes-Souz, Luciana; Alves-Fonseca, Francine Sousa; Silva, Julio Cesar; Silva, Amanda; Silva, Julian; Martins, Ernane