1. Forma Euastrum binale f. maxima C.F.O.Nordstedt
2. Forma Euastrum binale f. minor West
3. Forma Euastrum binale f. minuta P.M.Lundell
4. Forma Euastrum binale f. minuta P.Lundell, 1871
5. Forma Euastrum binale f. montana L.Viret
6. Forma Euastrum binale f. sectum Turner
7. Forma Euastrum binale f. sphagnophilum P.Palik
8. Forma Euastrum binale f. subsecta W.B.Turner
9. Forma Euastrum binale f. ventricosa W.B.Turner
10. Forma Euastrum binale f. zehlavicum F.Steinecke
11. Subspecies Euastrum binale subsp. dubium (Nägeli) A.I.Lobik
12. Variety Euastrum binale var. bians (West) W.Krieger, 1937
13. Variety Euastrum binale var. binale Ralfs, 1848
14. Variety Euastrum binale var. borgei A.M.Scott & Prescott
15. Variety Euastrum binale var. gutwinskii (Schmidle) Homfeld, 1929
16. Variety Euastrum binale var. hians (West) Willi Krieger, 1937
17. Variety Euastrum binale var. juvae Croasdale, 1971
18. Variety Euastrum binale var. koreana (Skvortsov) Y.Okada, 1953
19. Variety Euastrum binale var. majus F.Wolle
20. Variety Euastrum binale var. minus (West) Willi Krieger, 1937
21. Variety Euastrum binale var. monguillonii P.Allorge & E.E.Manguin, 1941
22. Variety Euastrum binale var. obtusiiusculum Schaarschmidt, 1882
23. Variety Euastrum binale var. obtusiusculum Schaarschmidt, 1883
24. Variety Euastrum binale var. ornatum P.Bourrelly
25. Variety Euastrum binale var. papilliferum Gutwinski, 1909
26. Variety Euastrum binale var. parallelum M.Hirano
27. Variety Euastrum binale var. poriferum Prescott, 1977
28. Variety Euastrum binale var. protuberans Y.Kanetsuna
29. Variety Euastrum binale var. protuberans Y.Kanetsuna, 2002
30. Variety Euastrum binale var. pseudogutwinskii Grönblad, 1921
31. Variety Euastrum binale var. pseudopapilliferum K.Förster
32. Variety Euastrum binale var. retusum West, 1892
33. Variety Euastrum binale var. rostratum R.L.Grönblad
34. Variety Euastrum binale var. rotundatum Istvanfy, 1887
35. Variety Euastrum binale var. sectum (W.B.Turner) Willi Krieger, 1937
36. Variety Euastrum binale var. subangolense Schmidle
37. Variety Euastrum binale var. subelobatum West
38. Variety Euastrum binale var. tetralobum (P.F.Reinsch) J.E.Weiss
39. Variety Euastrum binale var. turneri Grönblad
40. Variety Euastrum binale var. typicum O.Kirchner
41. Variety Euastrum binale var. unicorne W.B.Turner, 1893
42. Variety Euastrum binale var. verruculiferum K.Förster
43. Forma Euastrum binale f. groenbladii Messikommer, 1927 accepted as Euastrum coeselii Kouwets, 1987 (synonym)
44. Forma Euastrum binale f. gutwinskii Schmidle, 1894 accepted as Euastrum binale var. gutwinskii (Schmidle) Homfeld, 1929 (synonym)
45. Forma Euastrum binale f. hians West, 1892 accepted as Euastrum binale var. hians (West) Willi Krieger, 1937 (synonym)
46. Forma Euastrum binale f. koreana Skvortsov, 1932 accepted as Euastrum binale var. koreana (Skvortsov) Y.Okada, 1953
47. Forma Euastrum binale f. sectum W.B.Turner, 1893 accepted as Euastrum binale var. sectum (W.B.Turner) Willi Krieger, 1937 (synonym)
48. Subspecies Euastrum binale subsp. dissimile Nordstedt, 1875 accepted as Euastrum dissimile (Nordstedt) Schmidle, 1898
49. Subspecies Euastrum binale subsp. subelobatum West, 1892 accepted as Euastrum elobatum (Lundell) J.Roy & Bisset, 1893 (synonym)
50. Variety Euastrum binale var. angustatum Wittrock, 1872 accepted as Cosmarium pokornyanum (Grunow) West & G.S.West, 1900 (synonym)
51. Variety Euastrum binale var. cosmarioides (West & G.S.West) Willi Krieger, 1937 accepted as Euastrum cosmarioides West & G.S.West, 1895
52. Variety Euastrum binale var. denticulatum Kirchner, 1878 accepted as Euastrum denticulatum var. denticulatum Gay, 1848 (synonym)
53. Variety Euastrum binale var. elobatum Lundell, 1871 accepted as Euastrum elobatum (Lundell) J.Roy & Bisset, 1893 (synonym)
54. Variety Euastrum binale var. groenbladii (Messikommer) Willi Krieger, 1937 accepted as Euastrum coeselii Kouwets, 1987
55. Variety Euastrum binale var. insulare Wittrock, 1872 accepted as Euastrum insulare (Wittrock) J.Roy, 1877 (synonym)
56. Variety Euastrum binale var. javanicum C.Bernard, 1908 accepted as Euastrum sublobatum var. javanicum (C.Bernard) Willi Krieger, 1932
57. Variety Euastrum binale var. lacustre Messikommer, 1927 accepted as Euastrum insulare var. lacustre (Messikommer) Willi Krieger, 1937 accepted as Euastrum lacustre (Messikommer) Coesel, 1984 (synonym)
58. Forma Euastrum binale f. crassum W.Joshua (uncertain)
59. Forma Euastrum binale f. lagoensis C.F.O.Nordstedt (uncertain)
60. Forma Euastrum binale f. minus Gutwinski, 1896 (uncertain)
61. Forma Euastrum binale f. tumoriferum Kossinskaja, 1936 (uncertain)
62. Variety Euastrum binale var. angolense West & G.S.West (uncertain)
63. Variety Euastrum binale var. brevius (C.Bernard) M.Hirano (uncertain)
64. Variety Euastrum binale var. corniculatum (P.F.Reinsch) J.E.Weiss (uncertain)
65. Variety Euastrum binale var. curtum (W.West & G.S.West) W.Krieger, 1937 (uncertain, uncertain taxonomic status subjected to verification)
66. Variety Euastrum binale var. danicum Unknown authority, 2002 (uncertain)
67. Variety Euastrum binale var. elongatum J.Lütkemüller (uncertain)
68. Variety Euastrum binale var. gibbosum Reinsch (uncertain)
69. Variety Euastrum binale var. hinganicum M.Noda & Skvortsov (uncertain)
70. Variety Euastrum binale var. simplex Hansgirg, 1888 (uncertain, uncertain taxonomic status subjected to verification)

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