WENGRAT, Simone, Eduardo A. MORALES, Carlos E. WETZEL, Pryscilla D. ALMEIDA, Luc ECTOR & Denise C. BICUDO 2016 (Aug. 19) Taxonomy and ecology of Fragilaria billingsii sp. nov. and analysis of type material of Synedra rumpens var. fusa (Fragilariaceae, Bacillariophyta) from Brazil Phytotaxa 270(3): 191-202, 41 figs., 2 tables |