BOCK, Christina, Lothar KRIENITZ, & Thomas PRÖSCHOLD 2011 Taxonomic reassessment of the genus Chlorella (Trebouxiophyceae) using molecular signatures (barcodes), including description of seven new species. Fottea 11(2): 293-312, 20 figs., 4 tables Chlorella colonialis, C. pituita, C. pulchelloides, C. singularis, C. elongata, C. chlorelloides, C. lewinii, C. rotunda and C. volutis