Silva-Lehmkuhl, Angela Maria da, et al. “Periphytic Diatoms from an Oligotrophic Lentic System, Piraquara I Reservoir, Paraná State, Brazil”. Biota Neotropica, vol. 19, no. 2, Jan. 2019, https://www.biotaneotropica.org.br/BN/article/view/1634.