Wetzel, C. E.; Ector, L. (2014). Taxonomy, distribution and autecology of Planothidium bagualensis sp. nov. (Bacillariophyta) a common monoraphid species from southern Brazilian rivers. Phytotaxa. 156(4): 201-210.
Taxonomy, distribution and autecology of <em>Planothidium bagualensis </em>sp. nov. (Bacillariophyta) a common monoraphid species from southern Brazilian rivers