G. Medeiros, M. W. W. Amaral, P. C. Ferreira, T. V. Ludwig, and N. C. Bueno, “Gomphonema Ehrenberg (Bacillariophyceae, Gomphonemataceae) of the São Francisco Falso River, Paraná, Brazil”, Biota Neotrop., vol. 18, no. 3, Jan. 2018.