“Structure of the Periphytic Algae Associated With a Floating Macrophyte in an Open Lake on the Upper Paraná River Floodplain, Brazil - Doi: 10.4025 actascibiolsci.V35i4.18663”. Acta Scientiarum. Biological Sciences, vol. 35, nº 4, julho de 2013, p. 513-9, https://doi.org/10.4025/actascibiolsci.v35i4.18663.