Anatomy of the root of eight species of emergent aquatic macrophytes from the upper Paraná river, Paraná State, Brazil floodplain - doi: 10.4025/actascibiolsci.v32i3.5509. (2010). Acta Scientiarum. Biological Sciences, 32(3), 297-304. https://doi.org/10.4025/actascibiolsci.v32i3.5509