Hidden diversity of <i>Chlorococcum</i> (Chlorophyta) in a shallow temporary freshwater lake: description of <i>Chlorococcum szentendrense</i> sp. nov

Chlorococcum is a coccoid green algal genus, which contains almost 50 species. The genus polyphyletic, but in traditional sense, the cells are and non-motile with cup-shape chloroplast vegetative stage, while spores have chlamydomonad appearance. They distributed worldwide mainly terrestrial habitats, biotechnological potential of several strains has been reported. In this study, three new from shallow, temporary freshwater lake Hungary characterized using microscopic (light transmission electron microscopy) DNA-based methods (phylogenetic analysis ribosomal ITS region, 18S RNA rbcL genes, secondary structure comparison). Based on obtained results, one isolates considered to represent species, described here as szentendrense sp. nov.