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Costa, L. F.; Wetzel, C. E.; Maquardt, G. C.; Zanon, J. E.; Ector, L.; Bicudo, D. C. (2022). Taxonomy and ecology of Achnanthidium (Bacillariophyta, Achnanthidiaceae) from southeastern Brazil with the description of six new species. Phytotaxa. 575(3).