• Acanthosphaera tenuispina Korshikov, 1953 accepted as Acanthosphaera zachariasii Lemmermann, 1899
• Acanthosphaera zachariasii Lemmermann, 1899
• Actinastrum aciculare Playfair, 1917
• Actinastrum aciculare f. africanum Compère, 1976 (uncertain)
• Actinastrum aciculare f. curvatum (Huber-Pestalozzi) Compère, 1976
• Actinastrum aciculare f. minimum (Huber-Pestalozzi) Compère, 1976
• Actinastrum bacillare Playfair, 1917
• Actinastrum ellipsoideum T.Hortobágyi (uncertain)
• Actinastrum fluviatile (J.L.B.Schröder) Fott, 1977
• Actinastrum gracillimum G.M.Smith, 1916
• Actinastrum gracillimum var. elongatum (G.M.Smith) Fott, 1977 accepted as Actinastrum gracillimum G.M.Smith, 1916
• Actinastrum guttula Playfair, 1917
• Actinastrum hantschii var. gracile Y.V.Roll, 1927
• Actinastrum hantzschii Lagerheim, 1882
• Actinastrum hantzschii var. elongatum G.M.Smith, 1918 accepted as Actinastrum gracillimum var. elongatum (G.M.Smith) Fott, 1977 accepted as Actinastrum gracillimum G.M.Smith, 1916
• Actinastrum hantzschii var. fluviatile J.B.L.Schröder, 1899 accepted as Actinastrum fluviatile (J.L.B.Schröder) Fott, 1977
• Actinastrum hantzschii var. gracile V.K.Tschernov, 1950
• Actinastrum hantzschii var. subtile Woloszynska, 1911
• Actinastrum indicum N.D.Kamat, 1962
• Actinastrum javanicum (C.Bernhard) E.Teiling (uncertain)
• Actinastrum minimum Huber-Pestalozzi, 1929 accepted as Actinastrum aciculare f. minimum (Huber-Pestalozzi) Compère, 1976
• Actinastrum mixtum Hortobagyi, 1980
• Actinastrum raphidoides (Reinsch) Brunnthaler, 1915
• Actinastrum rhaphidioides (Reinsch) Brunnthaler, 1915
• Actinastrum schroeteri f. playfairii Huber-Pestalozzi (uncertain)
• Actinastrum schroeteri var. curvatum Huber-Pestalozzi, 1929 accepted as Chroococcidiopsis spinosa Kamat, 1962
• Actinastrum schroeteri var. minimum (Huber-Pestalozzi) Fott, 1977 accepted as Actinastrum aciculare f. minimum (Huber-Pestalozzi) Compère, 1976
• Actinastrum subcornutum S.S.Wang, 1990
• Actinastrum tetaniforme Teiling, 1912
• Aerosphaera faginea Gerneck, 1907 accepted as
• Amphikrikos buderi (Heynig) Hindák, 1977
• Amphikrikos hexacosta (R.H.Thompson) Hindák, 1977
• Amphikrikos heynigii Krienitz, 1986
• Amphikrikos minutissimus Korshikov, 1953
• Amphikrikos nanus (Fott & Heynig) Hindák, 1977
• Amphikrikos variabilis Krienitz
• Apatococcus constipatus (Printz) Printz, 1964
• Apatococcus fuscideae Beck & Zahradníková, 2017
• Apatococcus lobatus (Chodat) J.B.Petersen, 1928
• Apatococcus minor Edlich, 1936
• Apatococcus perspicuus Edlich, 1936
• Apatococcus vulgaris F.Brand, 1925 accepted as Apatococcus lobatus (Chodat) J.B.Petersen, 1928
• Apatococcus vulgaris f. minor F.Brand, 1925 (uncertain)
• Apodococcus characioides Hindák, 1984
• Apodococcus guanensis (Comas) Komárek & Hindák, 1984
• Apodococcus vacuolatus (K.W.Lee & Bold) Hindák, 1984 accepted as Chlamydopodium vacuolatum (K.W.Lee & Bold) Ettl & Komárek, 1982
• Auxenochlorella protothecoides (Krüger) Kalina & Puncochárová, 1987
• Auxenochlorella protothecoides var. acidicola (Albertano & Taddei) Kalina & Puncochárová, 1987 accepted as Pumiliosphaera acidophila T.Darienko & T.Pröschold, 2015
• Auxenochlorella protothecoides var. communis Unknown authority accepted as Jaagichlorella luteoviridis (Chodat) Darienko & Pröschold, 2019
• Auxenochlorella protothecoides var. galactophila Unknown authority accepted as Auxenochlorella protothecoides (Krüger) Kalina & Puncochárová, 1987
• Auxenochlorella protothecoides var. mannophila Unknown authority (uncertain)
• Auxenochlorella pyrenoidosa (H.Chick) Molinari & Calvo-Pérez, 2015
• Auxenochlorella symbiontica Darienko & Pröschold, 2015
• Ava limnothalassea Lortou & Gkelis, 2022
• Bernardia chodati (C.Bernard) Playfair, 1917 accepted as Lagerheimia chodatii C.Bernard, 1908
• Bernardia chodati var. cruciata Playfair, 1917
• Bernardia tetraedrica Playfair, 1918 accepted as Treubaria triappendiculata C.Bernard, 1908
• Bernardia wratislavensis (Schröder) Playfair, 1917 accepted as Lagerheimia wratislaviensis Schröder, 1897
• Bohlinia echidna (Bohlin) Lemmermann, 1899 accepted as Franceia echidna (Bohlin) Bourrelly, 1948
• Brandtia ciliaticola Hoshina, M.Kobayashi, Suzaki & Kusuoka, 2017 accepted as Carolibrandtia ciliaticola (Hoshina, M.Kobayashi, Suzaki & Kusuoka) Hoshina & Nakada, 2018
• Calyptobactron indutum Geitler, 1924 accepted as Desmatractum indutum (Geitler) Pascher, 1930
• Carolibrandtia ciliaticola (Hoshina, M.Kobayashi, Suzaki & Kusuoka) Hoshina & Nakada, 2018
• Catena de-toniana P.González Guerrero, 1964
• Catena viridis Chodat, 1900
• Catenocystis cohaerens (Skuja) Hindák, 1988
• Catenocystis gerulata Hindák, 1988
• Cerasterias irregularis G.M.Smith, 1926
• Cerasterias longispina (Perty) Reinsch, 1888 accepted as Asterothrix longispina (Perty) Printz, 1914
• Cerasterias longispina var. hexactina West (uncertain)
• Cerasterias nivalis Bohlin
• Cerasterias raphidioides Reinsch, 1866 accepted as Actinastrum rhaphidioides (Reinsch) Brunnthaler, 1915
• Cerasterias raphidioides f. obtusata Reinsch (uncertain)
• Cerasterias raphidioides f. octodens Reinsch (uncertain)
• Cerasterias raphidioides f. tetradens Reinsch (uncertain)
• Cerasterias raphidioides f. tridens Reinsch (uncertain)
• Cerasterias raphidioides var. inaequale Reinsch (uncertain)
• Cerasterias raphidioides var. incrassata Reinsch (uncertain)
• Cerasterias rhaphidioides Reinsch, 1866 accepted as Actinastrum rhaphidioides (Reinsch) Brunnthaler, 1915
• Cerasterias staurastroides West & G.S.West, 1894
• Chlorella acuminata Gerneck, 1907
• Chlorella angustoellipsoidea N.Hanagata & M.Chihara, 1997 accepted as Chloroidium angusto-ellipsoideum (Hanagata & Chihara) Darienko, Gustavs, Mudimu, Menendez, Schumann, Karsten, Friedl & Proschold, 2010
• Chlorella anitrata
• Chlorella anitrata var. minor
• Chlorella antarctica (F.E.Fritsch) Wille, 1924
• Chlorella asymmetrica Mainx, 1928 (uncertain)
• Chlorella aureoviridis Meyer, 1932 accepted as Chlorella luteoviridis Chodat, 1913 accepted as Jaagichlorella luteoviridis (Chodat) Darienko & Pröschold, 2019
• Chlorella autotrophica Shihira & R.W.Krauss, 1965 accepted as Chlorella vulgaris var. autotrophica (Shihira & Krauss) Fott & Nováková, 1969
• Chlorella bacteroidea Hortobágyi, 1960
• Chlorella botryoides J.B.Petersen, 1932
• Chlorella brasiliensis Almeida & C.L.Silva, 1946 (uncertain)
• Chlorella caldaria (Tilden) M.B.Allen, 1954 accepted as Cyanidium caldarium (Tilden) Geitler, 1933
• Chlorella candida Shihira & R.W.Krauss, 1965 accepted as Chlorella vulgaris Beyerinck [Beijerinck], 1890
• Chlorella capsulata R.R.L.Guillard, Bold & F.J.MacEntee, 1975 accepted as Schizochlamydella capsulata (R.R.L.Guillard, Bold & F.J.MacEntee) Shin Watanabe, 1977
• Chlorella chlorelloides (Naumann) C.Bock, L.Krienitz & T.Pröschold, 2011
• Chlorella coelastroides Chodat, 1913 (uncertain)
• Chlorella colonialis C.Bock, Krienitz & Pröschold, 2011
• Chlorella communis Artari, 1906 accepted as Chlorella vulgaris Beyerinck [Beijerinck], 1890
• Chlorella conductrix (K.Brandt) Beyerinck, 1890 accepted as Micractinium conductrix (K.Brandt) Pröschold & Darienko, 2011
• Chlorella conglomerata (Artari) Oltmanns, 1904
• Chlorella desiccata Unknown authority (uncertain)