FIGURES 15–30 in Five new taxa and a new record of Euastrum (Desmidiaceae) from the Chapada Diamantina region, Bahia State, Brazil

FIGURES 15–30. Euastrum marimbusense sp. nov.: LM (15–18); SEM (19), frontal view (15, 16, 19), apical view (17), lateral view (18). Euastrum ornatiscrobiculatum sp. nov.: LM (20–24); SEM (25), head of arrows indicating scrobiculae along the lateral margins of the lobes; frontal view (20–22, 25), apical view (23), lateral view (24). Euastrum praemorsum var. foersteri var. nov.: LM (26–29); SEM (30), frontal view (26, 27, 30), apical view (28), lateral view (29). Scale Bars: 10 μm.