1. Species Spirulina abbreviata Lemmermann, 1895
2. Species Spirulina adriatica Hansgirg, 1890
3. Species Spirulina agilis Kufferath, 1914
4. Species Spirulina albida Kolkwitz, 1909
5. Species Spirulina allansonii Welsh, 1961
6. Species Spirulina anjalensis D.A.Kumawat & A.K.Jawale, 2001
7. Species Spirulina baltica B.Martens & Pankow, 1972
8. Species Spirulina bayannurensis L.Bosheng, Q.Chen & T.Chao-Tsi, 2001
9. Species Spirulina breviarticulata (Setchell & N.L.Gardner) Geitler, 1932
10. Species Spirulina cabrerae González Guerrero, 1945
11. Species Spirulina caldaria Tilden, 1898
12. Species Spirulina cavanillesiana González Guerrero, 1946
13. Species Spirulina conica Bharadwaja, 1963
14. Species Spirulina corakiana Playfair, 1914
15. Species Spirulina duplex Wolle, 1887
16. Species Spirulina erdosensis X.Y.Tian, C.Qiao, L.Y.Gao, F.F.Guo & B.W.Zhang, 2002
17. Species Spirulina flavovirens Wislouch, 1911
18. Species Spirulina gessneri Schiller, 1956
19. Species Spirulina gomontii Guwinski, 1902
20. Species Spirulina gordiana González Guerrero, 1946
21. Species Spirulina gracilis Gruia, 1961
22. Species Spirulina innatans H.Welsh, 1961
23. Species Spirulina labyrinthiformis Gomont, 1892
24. Species Spirulina laxa G.M.Smith, 1916
25. Species Spirulina legitima Schiller, 1956
26. Species Spirulina magnifica (J.J.Copeland) Anagnostidis, 2001
27. Species Spirulina major Kützing ex Gomont, 1892
28. Species Spirulina mariae Margalef, 1953
29. Species Spirulina meneghiniana Zanardini ex Gomont, 1892
30. Species Spirulina nodosa Schiller, 1956
31. Species Spirulina nordstedtii Gomont, 1892
32. Species Spirulina princeps West & G.S.West, 1902
33. Species Spirulina pseudotenuissima P.L.Crouan & H.M.Crouan, 1867
34. Species Spirulina pseudovacuolata Utermöhl, 1924
35. Species Spirulina regis L.Hoffmann, 1991
36. Species Spirulina robusta H.Welsh, 1965
37. Species Spirulina rosea P.L.Crouan & H.M.Crouan ex Gomont, 1892
38. Species Spirulina schroederi Koppe, 1924
39. Species Spirulina sigmoidea Schiller, 1956
40. Species Spirulina socialis N.L.Gardner, 1932
41. Species Spirulina spirulinoides (Ghose) Geitler, 1925
42. Species Spirulina stagnicola Drouet, 1937
43. Species Spirulina subsalsa Oersted ex Gomont, 1892
44. Species Spirulina subtilissima Kützing ex Gomont, 1892
45. Species Spirulina tenerrima Kützing ex Gomont, 1892
46. Species Spirulina thermalis Meneghini ex Kützing, 1847
47. Species Spirulina turfosa Cramer, 1863
48. Species Spirulina undulans K.N.Deckenbach, 1901
49. Species Spirulina versicolor Cohn ex Gomont, 1892
50. Species Spirulina weissii Drouet, 1942
51. Species Spirulina agilissima (Lagerheim) Kirchner, 1900
52. Species Spirulina amethystina H.F.Buell, 1938 accepted as Arthrospira amethystina (H.F.Buell) J.De Toni, 1949
53. Species Spirulina ardissoni Cohn ex Rabenhorst, 1865 accepted as Arthrospira ardissonei Forti, 1907
54. Species Spirulina compacta Perfilev, 1923 accepted as Spirulina subsalsa Oersted ex Gomont, 1892
55. Species Spirulina condensata H.Welsh, 1964 accepted as Spirulina subsalsa Oersted ex Gomont, 1892
56. Species Spirulina curta (Lemmermann) Geitler, 1925 accepted as Borzia curta (Lemmermann) Anagnostidis & Komárek, 1988 (synonym)
57. Species Spirulina funiformis (Vouk) J.De Toni, 1946 accepted as Oscillatoria funiformis (Vouk) Komárek, 2001
58. Species Spirulina fusiformis Voronichin, 1934 accepted as Limnospira fusiformis (Voronichin) Nowicka-Krawczyk, Mühlsteinová & Hauer, 2019 (synonym)
59. Species Spirulina geitleri J.De Toni, 1936 accepted as Arthrospira fusiformis (Voronichin) Komárek & J.W.G.Lund, 1990 accepted as Limnospira fusiformis (Voronichin) Nowicka-Krawczyk, Mühlsteinová & Hauer, 2019
60. Species Spirulina gigantea Schmidle, 1902 accepted as Arthrospira gigantea (Schmidle) Anagnostidis, 1998 accepted as Oscillatoria gigantea (Schmidle) Compère, 1974 accepted as Arthrospira gigantea (Schmidle) Anagnostidis, 1998 (synonym)
61. Species Spirulina gomontiana (Setchell) Geitler, 1925 accepted as Arthrospira gomontiana Setchell, 1895
62. Species Spirulina jenneri (Stizenberger ex Gomont) Geitler, 1925 accepted as Arthrospira jenneri Stizenberger ex Gomont, 1892 (synonym)
63. Species Spirulina laxissima G.S.West, 1907 accepted as Glaucospira laxissima (G.S.West) Simic, Komárek & Dordevic, 2014
64. Species Spirulina margaritae Frémy, 1927 accepted as Arthrospira margaritae (Frémy) Gomont ex Anagnostidis & Komárek, 2005
65. Species Spirulina massartii (Kufferath) Geitler, 1925 accepted as Arthrospira massartii Kufferath, 1914
66. Species Spirulina maxima (Setchell & N.L.Gardner) Geitler, 1932 accepted as Limnospira maxima (Setchell & N.L.Gardner) Nowicka-Krawczyk, Mühlsteinová & Hauer, 2019
67. Species Spirulina miniata Hauck, 1878 accepted as Arthrospira miniata Gomont, 1892
68. Species Spirulina neumannii Schmidle, 1902 accepted as Spirulina subsalsa Oersted ex Gomont, 1892
69. Species Spirulina oceanica (P.Crouan & H.Crouan) P.Crouan & H.Crouan, 1854 accepted as Spirulina subsalsa Oersted ex Gomont, 1892 (synonym)
70. Species Spirulina okensis (Meyer) Geitler, 1932 accepted as Romeria okensis (C.Meyer) Hindák, 1975
71. Species Spirulina oscillariorides Turpin, 1827 accepted as Spirulina major Kützing ex Gomont, 1892 (synonym)
72. Species Spirulina platensis (Gomont) Geitler, 1925 accepted as Arthrospira platensis Gomont, 1892 (synonym)
73. Species Spirulina rhaphidioides Geitler, 1959 accepted as Pseudanabaena raphidioides (Geitler) Anagnostidis & Komárek, 1988 (synonym)
74. Species Spirulina supersalsa Schiller, 1956 accepted as Spirulina subsalsa Oersted ex Gomont, 1892
75. Species Spirulina tenuis (Brühl & Biswas) Geitler, 1925 accepted as Arthrospira tenuis Brühl & Biswas, 1922
76. Species Spirulina tenuissima Kützing ex De Toni, 1892 accepted as Spirulina subsalsa Oersted ex Gomont, 1892
77. Species Spirulina gracillima Rabenhorst, 1859 (uncertain)
78. Species Spirulina mediterranea K.N.Deckenbach, 1901 (uncertain)
79. Species Spirulina tenuior (Lagerheim) Kirchner, 1900 (uncertain)

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