1. Species Champia affinis (J.D.Hooker & Harvey) Harvey, 1853
2. Species Champia bibendum Huisman, 2018
3. Species Champia bifida Okamura, 1901
4. Species Champia caespitosa E.Y.Dawson, 1944
5. Species Champia chathamensis V.J.Chapman & Dromgoole, 1970
6. Species Champia compressa Harvey, 1838
7. Species Champia disticha E.Y.Dawson, 1944
8. Species Champia dolchipoda J.Agardh, 1901
9. Species Champia echigoensis Noda, 1973
10. Species Champia expansa Yendo, 1903
11. Species Champia farlowii M.K.Griffith, C.W.Schneider & C.E.Lane, 2017
12. Species Champia feldmannii Díaz-Piferrer, 1977
13. Species Champia gigantea M.J.Wynne, 1998
14. Species Champia globulifera Børgesen, 1937
15. Species Champia harveyana D.L.Ballantine & C.Lozada-Troche, 2008
16. Species Champia hasselbringii C.W.Schneider & G.W.Saunders, 2018
17. Species Champia indica Børgesen, 1933
18. Species Champia inkyua Y.H.Koh, G.Y.Cho & M.S.Kim, 2013
19. Species Champia insignis A.H.S.Lucas, 1931
20. Species Champia insularis C.W.Schneider & G.W.Saunders, 2018
21. Species Champia irregularis (Zanardini) Piccone, 1884
22. Species Champia japonica Okamura, 1931
23. Species Champia kotschyana Endlicher & Diesing, 1854
24. Species Champia laingii Lindauer, 1938
25. Species Champia lubrica Mas.Suzuki & Yoshizaki, 2013
26. Species Champia lumbricalis (Linnaeus) Desvaux, 1809
27. Species Champia minuscula A.B.Joly & Ugadim, 1966
28. Species Champia novae-zelandiae (J.D.Hooker & Harvey) Harvey, 1853
29. Species Champia parvula (C.Agardh) Harvey, 1853
30. Species Champia plumosa P.Anand, 1943
31. Species Champia puertoricensis Lozada-Troche & D.L.Ballantine, 2010
32. Species Champia recta Noda, 1973
33. Species Champia salicornioides Harvey, 1853
34. Species Champia somalensis Hauck, 1888
35. Species Champia spathulata Weber-van Bosse, 1928
36. Species Champia stipitata Huisman, 2000
37. Species Champia subcompressa Huisman, 2018
38. Species Champia taironensis Bula-Meyer, 1997
39. Species Champia tripinnata Zanardini, 1851
40. Species Champia vieillardii Kützing, 1866
41. Species Champia viridis C.Agardh, 1828
42. Species Champia womersleyi A.J.K.Millar, 1998
43. Species Champia zonata (J.Agardh) J.Agardh, 1876
44. Species Champia zostericola (Harvey) Reedman & Womersley, 1976
45. Species Champia circumcincta J.Agardh, 1901 accepted as Amphiplexia hymenocladioides J.Agardh, 1892
46. Species Champia intricata Cremades, 1990 accepted as Champia parvula (C.Agardh) Harvey, 1853
47. Species Champia obsoleta Harvey, 1859 accepted as Champia affinis (J.D.Hooker & Harvey) Harvey, 1853 (synonym)
48. Species Champia oppositifolia J.Agardh, 1901 accepted as Champia viridis C.Agardh, 1828 (synonym)
49. Species Champia racemosa V.J.Chapman, 1970 accepted as Champia affinis (J.D.Hooker & Harvey) Harvey, 1853
50. Species Champia tasmanica Harvey, 1844 accepted as Champia viridis C.Agardh, 1828
51. Species Champia verticillata J.Agardh, 1901 accepted as Champia viridis C.Agardh, 1828 (synonym)
52. Species Champia ceylanica Harvey, 1857 (uncertain)

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