Chaverri, Carlos, Carlos O. Morales, and José F. Cicció. 2022. “Essential Oils, Phenology and Biotic Interactions of the Invasive Plant Crassocephalum Crepidioides (Asteraceae) in Costa Rica”. UNED Research Journal 14 (2):e4079. https://doi.org/10.22458/urj.v14i2.4079.