1. Species Halimeda acerifolia (D.L.Ballantine) D.L.Ballantine & J.N.Norris, 2023
2. Species Halimeda bikinensis W.R.Taylor,1950
3. Species Halimeda bikiniensis W.R.Taylor, 1950
4. Species Halimeda borneensis W.R.Taylor, 1975
5. Species Halimeda cereidesmis Kraft, 2007
6. Species Halimeda copiosa Goreau & E.A.Graham, 1967
7. Species Halimeda cryptica Colinvaux & E.A.Graham, 1964
8. Species Halimeda cuneata Hering, 1846
9. Species Halimeda cylindracea Decaisne, 1842
10. Species Halimeda discoidea Decaisne, 1842
11. Species Halimeda distorta (Yamada) Hillis-Colinvaux, 1968
12. Species Halimeda favulosa M.A.Howe, 1905
13. Species Halimeda fragilis W.R.Taylor, 1950
14. Species Halimeda gigas W.R.Taylor, 1950
15. Species Halimeda goreaui W.R.Taylor, 1962
16. Species Halimeda gracilis Harvey ex J.Agardh, 1887
17. Species Halimeda heteromorpha N'Yeurt, 2006
18. Species Halimeda howensis Kraft & J.M.Noble, 1994
19. Species Halimeda hummii D.L.Ballantine, 1982
20. Species Halimeda incrassata (J.Ellis) J.V.Lamouroux, 1816
21. Species Halimeda irregularis J.V.Lamouroux
22. Species Halimeda jolyana Ximenes, Bandeira-Pedrosa, Cassano, Oliveira-Carvalho, Verbruggen & S.M.B.Pereira, 2017
23. Species Halimeda kanaloana Vroom, 2006
24. Species Halimeda lacrimosa Howe, 1909
25. Species Halimeda lacunalis W.R.Taylor, 1950
26. Species Halimeda lessonii Bory de Saint-Vincent
27. Species Halimeda macroloba Decaisne, 1841
28. Species Halimeda macrophysa Askenasy, 1888
29. Species Halimeda magnidisca J.M.Noble, 1986
30. Species Halimeda melanesica Valet, 1966
31. Species Halimeda micronesica Yamada, 1941
32. Species Halimeda minima (W.R.Taylor) Hillis-Colinvaux, 1968
33. Species Halimeda monile (J.Ellis & Solander) J.V.Lamouroux, 1816
34. Species Halimeda nervata Zanardini, 1858
35. Species Halimeda opuntia (Linnaeus) J.V.Lamouroux, 1816
36. Species Halimeda ovata J.Agardh
37. Species Halimeda papyracea Zanardini, 1851
38. Species Halimeda pumila Verbruggen, D.S.Littler & Littler, 2007
39. Species Halimeda pygmaea Verbruggen, D.S.Littler & Littler, 2007
40. Species Halimeda rectangularis J.Agardh, 1894
41. Species Halimeda renschii Hauck, 1886
42. Species Halimeda ryukyuensis Kojima, Hanyuda & Kawai, 2015
43. Species Halimeda saportae Fuchs
44. Species Halimeda scabra M.A.Howe, 1905
45. Species Halimeda sertolara (Bertoloni) Zanardini, 1840
46. Species Halimeda simulans M.Howe, 1907
47. Species Halimeda soniae Ximenes, Oliveira-Carvalho, M.E. Bandeira-Pedrosa & Cassano, 2019
48. Species Halimeda stenodactylis J.Agardh
49. Species Halimeda stuposa W.R.Taylor, 1950
50. Species Halimeda taenicola W.R.Taylor, 1950
51. Species Halimeda taiwanensis S.Phetcharat, K.Pattarach, P.-C.Chen, W.-L.Wang, S.-L.Liu & J.Mayakun, 2023
52. Species Halimeda tuberosa Biasoletto
53. Species Halimeda tuna (J.Ellis & Solander) J.V.Lamouroux, 1816
54. Species Halimeda velasquezii W.R.Taylor, 1962
55. Species Halimeda xishaensis C.K.Tseng & M.L.Dong, 1980
56. Species Halimeda batanensis W.R.Taylor, 1973 accepted as Halimeda renschii Hauck, 1886 (synonym)
57. Species Halimeda brevicaulis Kützing, 1858 accepted as Halimeda incrassata (J.Ellis) J.V.Lamouroux, 1816 (synonym)
58. Species Halimeda cordata J.Agardh, 1887 accepted as Halimeda opuntia (Linnaeus) J.V.Lamouroux, 1816 (synonym)
59. Species Halimeda cylindrica Kützing, 1849 accepted as Halimeda cylindracea Decaisne, 1842
60. Species Halimeda hederacea (E.S.Barton) Hilis-Colinvaux, 1968 accepted as Halimeda distorta (Yamada) Hillis-Colinvaux, 1968
61. Species Halimeda laxa E.S.Barton, 1900 accepted as Halimeda gracilis f. laxa (E.S.Barton) E.S.Barton, 1901 (synonym)
62. Species Halimeda multicaulis (Lamarck) J.V.Lamouroux, 1816 accepted as Halimeda opuntia (Linnaeus) J.V.Lamouroux, 1816 (synonym)
63. Species Halimeda obovata Kützing, 1858 accepted as Halimeda cuneata Hering, 1846 (synonym)
64. Species Halimeda orientalis W.J.Gilbert, 1947 accepted as Halimeda micronesica Yamada, 1941
65. Species Halimeda platydisca Decaisne, 1842 accepted as Halimeda tuna (J.Ellis & Solander) J.V.Lamouroux, 1816 (synonym)
66. Species Halimeda polydactylis J.Agardh, 1887 accepted as Halimeda cylindracea Decaisne, 1842 (synonym)
67. Species Halimeda tridens (J.Ellis & Solander) J.V.Lamouroux, 1812 accepted as Halimeda incrassata (J.Ellis) J.V.Lamouroux, 1816
68. Species Halimeda triloba Decaisne, 1842 accepted as Halimeda opuntia f. triloba (Decaisne) J.Agardh, 1887 accepted as Halimeda opuntia (Linnaeus) J.V.Lamouroux, 1816 (synonym)
69. Species Halimeda versatilis J.Agardh, 1887 accepted as Halimeda cuneata Hering, 1846 (synonym)
70. Species Halimeda monilis (Ellis & Solander) J.V.Lamouroux (uncertain)
71. Species Halimeda peltata Gopinathan & Panigrahy, 1983 (uncertain)

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