This study investigates three aspects of plant-based medicinal use in rural Paraguay: 1) seasonal differences and 2) differences between urban and rural residents and 3) the source of medicinal plants used to treat thirteen common ailments. Seasonal Use, Importance Values, Yerba Mate, Urban/Rural, EthnobotanyĪBSTRACT: Rural Paraguay presents interesting opportunities for investigating the subtle differences in the use of medicinal plants across seasons and the urban versus rural dichotomy in a local setting. The Local Migration of Plant-Based Medicines from Rural Communities to Gral. (2014) G*Power: Statistical Power Analysis for Windows and Mac.