Rodríguez-Morales, D., Aguirre, A., Coates, R., Díaz-Castelazo, C. e Ángeles, G. (2016) “Structure and histology of extrafloral nectaries of tropical species in a mexican rain forest ”, Bioscience Journal . Uberlândia, MG, 32(3), p. 730–739. doi: 10.14393/BJ-v32n3a2016-30416.