1. Species Chlorella acuminata Gerneck, 1907
2. Species Chlorella anitrata
3. Species Chlorella antarctica (F.E.Fritsch) Wille, 1924
4. Species Chlorella bacteroidea Hortobágyi, 1960
5. Species Chlorella botryoides J.B.Petersen, 1932
6. Species Chlorella chlorelloides (Naumann) C.Bock, L.Krienitz & T.Pröschold, 2011
7. Species Chlorella cladoniae Chodat, 1913
8. Species Chlorella colonialis C.Bock, Krienitz & Pröschold, 2011
9. Species Chlorella conglomerata (Artari) Oltmanns, 1904
10. Species Chlorella elongata (Hindák) C.Bock, Krienitz & Pröschold, 2011
11. Species Chlorella heliozoae Pröschold & Darienko, 2011
12. Species Chlorella infusionum Beijerinck, 1890
13. Species Chlorella lewinii C.Bock, Krienitz & Pröschold, 2011
14. Species Chlorella miniata (Kützing) Oltmanns, 1904
15. Species Chlorella nocturna Shihira & R.W.Krauss, 1965
16. Species Chlorella oocystoides Hindák, 1980
17. Species Chlorella pachyderma Printz, 1916
18. Species Chlorella parva
19. Species Chlorella peruviana G.Chacón Roldán, 1980
20. Species Chlorella photophila Shihira & R.W.Krauss, 1965
21. Species Chlorella pituita C.Bock, Krienitz & Pröschold, 2011
22. Species Chlorella pulchelloides C.Bock, Krienitz & Pröschold, 2011
23. Species Chlorella rotunda C.Bock, Krienitz & Pröschold, 2011
24. Species Chlorella rugosa J.B.Petersen, 1928
25. Species Chlorella salina Kufferath, 1919
26. Species Chlorella singularis C.Bock, Krienitz & Pröschold, 2011
27. Species Chlorella sorokiniana Shihira & R.W.Krauss, 1965
28. Species Chlorella stigmatophora Butcher, 1952
29. Species Chlorella umbelloidea Tell, 1973
30. Species Chlorella vannielii Shihira & R.W.Krauss, 1965
31. Species Chlorella variabilis I.Shihira & R.W.Krauss, 1965
32. Species Chlorella variegata Beijerinck, 1904
33. Species Chlorella volutis C.Bock, Krienitz & Pröschold, 2011
34. Species Chlorella vulgaris Beijerinck, 1890
35. Species Chlorella angustoellipsoidea N.Hanagata & Chihara, 1997 accepted as Chloroidium angusto-ellipsoideum (Hanagata & Chihara) Darienko, Gustavs, Mudimu, Menendez, Schumann, Karsten, Friedl & Proschold, 2010 (synonym)
36. Species Chlorella aureoviridis Meyer, 1932 accepted as Chlorella luteoviridis Chodat, 1913 accepted as Jaagichlorella luteoviridis (Chodat) Darienko & Pröschold, 2019 (synonym)
37. Species Chlorella autotrophica Shihira & R.W.Krauss, 1965 accepted as Chlorella vulgaris var. autotrophica (Shihira & Krauss) Fott & Nováková, 1969 (synonym)
38. Species Chlorella caldaria (Tilden) M.B.Allen, 1954 accepted as Cyanidium caldarium (Tilden) Geitler, 1933
39. Species Chlorella candida Shihira & R.W.Krauss, 1965 accepted as Chlorella vulgaris Beijerinck, 1890 (synonym)
40. Species 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 (synonym)
41. Species Chlorella communis Artari, 1906 accepted as Chlorella vulgaris Beijerinck, 1890 (synonym)
42. Species Chlorella conductrix (K.Brandt) Beyerinck, 1890 accepted as Micractinium conductrix (K.Brandt) Pröschold & Darienko, 2011 (synonym)
43. Species Chlorella ellipsoidea Gerneck, 1907 accepted as Chloroidium ellipsoideum (Gerneck) Darienko, Gustavs, Mudimu, Menendez, Schumann, Karsten, Friedl & Proschold, 2010 (synonym)
44. Species Chlorella emersonii Shihira & R.W.Krauss, 1965 accepted as Graesiella emersonii (Shihara & R.W.Krauss) H.Nozaki, M.Katagiri, M.Nakagawa, K.Aizawa & M.M.Watanabe, 1995
45. Species Chlorella fusca Shihira & R.W.Krauss, 1965 accepted as Desmodesmus abundans (Kirchner) E.H.Hegewald, 2000
46. Species Chlorella gloriosa Molinari & Calvo-Pérez, 2015 accepted as Chlorella salina Kufferath, 1919
47. Species Chlorella homosphaera Skuja, 1948 accepted as Mychonastes homosphaera (Skuja) Kalina & Puncochárová, 1987
48. Species Chlorella kessleri Fott & Nováková, 1969 accepted as Parachlorella kessleri (Fott & Nováková) Krienitz, E.H.Hegewald, Hepperle, V.Huss, T.Rohr & M.Wolf, 2004 (synonym)
49. Species Chlorella kolkwitzii Naumann, 1919 accepted as Siderocelis kolkwitzii (Naumann) Fott, 1934 (synonym)
50. Species Chlorella lichina Chodat, 1913 accepted as Chloroidium lichinum (Chodat) Darienko & Pröschold, 2018
51. Species Chlorella lobophora V.M.Andreeva, 1973 accepted as Lobosphaeropsis lobophora (V.M.Andreeva) Ettl & Gärtner, 1995 (synonym)
52. Species Chlorella luteoviridis Chodat, 1913 accepted as Jaagichlorella luteoviridis (Chodat) Darienko & Pröschold, 2019 (synonym)
53. Species Chlorella marina Butcher, 1952 accepted as Chloroidium saccharophilum (W.Krüger) Darienko, Gustavs, Mudimu, Menendez, Schumann, Karsten, Friedl & Proschold, 2010
54. Species Chlorella minor Naumann, 1919 accepted as Siderocelis minor (Naumann) Fott, 1934 (synonym)
55. Species Chlorella minutissima Fott & Nováková, 1969 accepted as Mychonastes homosphaera (Skuja) Kalina & Puncochárová, 1987
56. Species Chlorella mirabilis V.M.Andreeva, 1973 accepted as Edaphochlorella mirabilis (V.M.Andreeva) Darienko & Pröschold, 2016
57. Species Chlorella mucosa Korshikov, 1953 accepted as Korschpalmella mucosa (Korshikov) Hindák, 1988 (synonym)
58. Species Chlorella mutabilis Shihira & R.W.Krauss, 1965 accepted as Chlorella luteoviridis Chodat, 1913 accepted as Jaagichlorella luteoviridis (Chodat) Darienko & Pröschold, 2019 (synonym)
59. Species Chlorella nordstedtii Printz, 1938 accepted as Chloroidium ellipsoideum (Gerneck) Darienko, Gustavs, Mudimu, Menendez, Schumann, Karsten, Friedl & Proschold, 2010
60. Species Chlorella oblonga Naumann, 1919 accepted as Siderocelis oblonga (Naumann) Fott, 1934
61. Species Chlorella ovalis Butcher, 1952 accepted as Chloroidium saccharophilum (W.Krüger) Darienko, Gustavs, Mudimu, Menendez, Schumann, Karsten, Friedl & Proschold, 2010
62. Species Chlorella paramaecii Loefer, 1951 accepted as Chlorella variabilis I.Shihira & R.W.Krauss, 1965
63. Species Chlorella parasitica (K.Brandt) Beijerinck, 1890 accepted as Choricystis parasitica (K.Brandt) Pröschold & Darienko, 2011
64. Species Chlorella pringsheimii Shihara & R.W.Krauss, 1965 accepted as Pseudochlorella pringsheimii (Shihar & Krauss) Darienko, Gustavs, Mudimu, Menendez, Schumann, Karsten, Friedl & Proschold, 2010 (synonym)
65. Species Chlorella protothecoides Krüger, 1894 accepted as Auxenochlorella protothecoides (Krüger) Kalina & Puncochárová, 1987 (synonym)
66. Species Chlorella pyrenoidosa H.Chick, 1903 accepted as Auxenochlorella pyrenoidosa (H.Chick) Molinari & Calvo-Pérez, 2015
67. Species Chlorella regularis (Artari) Oltmanns, 1904 accepted as Coelastrum microporum Nägeli, 1855
68. Species Chlorella reisiglii Shin Watanabe, 1977 accepted as Elliptochloris subsphaerica (Reisigl) Ettl & Gärtner, 1995 (synonym)
69. Species Chlorella reniformis S.Watanabe, 1977 accepted as Elliptochloris reniformis (S.Watanabe) H.Ettl & G.Gärtner, 1995 accepted as Elliptochloris reniformis H.Ettl & G.Gärtner, 1995 (synonym)
70. Species Chlorella saccharophila (Krüger) Migula, 1907 accepted as Chloroidium saccharophilum (W.Krüger) Darienko, Gustavs, Mudimu, Menendez, Schumann, Karsten, Friedl & Proschold, 2010 (synonym)
71. Species Chlorella salina Butcher, 1952 accepted as Chlorella gloriosa Molinari & Calvo-Pérez, 2015 accepted as Chlorella salina Kufferath, 1919
72. Species Chlorella spaerckii Ålvik, 1934 accepted as Droopiella spaerckii (Ålvik) Darienko, Rad-Menéndez, Campbell & Pröschold, 2019
73. Species Chlorella sphaerica Tschermak-Woess, 1988 accepted as Jaagichlorella sphaerica (Tschermak-Woess) Darienko & Pröschold, 2019
74. Species Chlorella terricola Gollerbach [Hollerbach], 1936 accepted as Chlorella vulgaris Beijerinck, 1890 (synonym)
75. Species Chlorella trebouxioides M.Puncochárová, 1994 accepted as Chloroidium ellipsoideum (Gerneck) Darienko, Gustavs, Mudimu, Menendez, Schumann, Karsten, Friedl & Proschold, 2010 (synonym)
76. Species Chlorella viscosa Chodat, 1913 accepted as Chloroidium viscosum (Chodat) Darienko & Pröschold, 2018
77. Species Chlorella zofingiensis Dönz, 1934 accepted as Chromochloris zofingiensis (Dönz) Fucíková & L.A.Lewis, 2012 (synonym)
78. Species Chlorella asymmetrica Mainx, 1928 (uncertain, uncertain taxonomic status subjected to verification)
79. Species Chlorella brasiliensis Almeida & C.L.Silva, 1946 (uncertain, uncertain taxonomic status subjected to verification)
80. Species Chlorella coelastroides Chodat, 1913 (uncertain)
81. Species Chlorella desiccata Unknown authority (uncertain)
82. Species Chlorella genevensis Chodat, 1909 (uncertain, uncertain taxonomic status subjected to verification)
83. Species Chlorella glucotropha Unknown authority (uncertain)
84. Species Chlorella koettlitzii (Fritsch) Wille, 1924 (uncertain)
85. Species Chlorella lacustris Chodat, 1913 (uncertain)
86. Species Chlorella microscopica Beijerinck (uncertain, uncertain taxonomic status subjected to verification)
87. Species Chlorella nana Andreoli, Rascio & Casadoro, 1978 (uncertain, uncertain taxonomic status subjected to verification)
88. Species Chlorella neustonica Bourrelly, 1958 (uncertain, uncertain taxonomic status subjected to verification)
89. Species Chlorella pacifica Ueda, 1927 (uncertain, uncertain taxonomic status subjected to verification)
90. Species Chlorella rubescens Chodat, 1913 (uncertain)
91. Species Chlorella simplex (Artari) Migula, 1907 (uncertain)
92. Species Chlorella subsphaerica H.Reisigl, 1964 (uncertain)
93. Species Chlorella tetraedrica Wille, 1924 (uncertain, uncertain taxonomic status subjected to verification)
94. Species Chlorella ultrasquamata Clemençon & Fott, 1968 (uncertain, uncertain taxonomic status subjected to verification)
95. Species Chlorella werthii Wille, 1924 (uncertain, uncertain taxonomic status subjected to verification)
96. Species Chlorella xanthella Beijerinck, 1951 (uncertain, uncertain taxonomic status subjected to verification)

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