1. Species Rhabdonia clavigera J.Agardh, 1872
2. Species Rhabdonia coccinea (Harvey) Harvey, 1847
3. Species Rhabdonia natalensis Reinbold, 1912
4. Species Rhabdonia schmidtii Reinbold, 1901
5. Species Rhabdonia verticillata Harvey, 1863
6. Species Rhabdonia baileyi Harvey ex Kützing, 1866 accepted as Agardhiella subulata (C.Agardh) Kraft & M.J.Wynne, 1979 (synonym)
7. Species Rhabdonia charoides Harvey, 1862 accepted as Austroclonium charoides (Harvey) Min-Thein & Womersley, 1976
8. Species Rhabdonia compressa J.Agardh, 1892 accepted as Solieria compressa J.Agardh, 1892 accepted as Areschougia congesta (R.Brown ex Turner) J.Agardh, 1872 (synonym)
9. Species Rhabdonia coulteri (Harvey) Harvey, 1853 accepted as Sarcodiotheca gaudichaudii (Montagne) P.W.Gabrielson, 1982
10. Species Rhabdonia decumbens (Grunow) Grunow, 1888 accepted as Meristotheca decumbens Grunow, 1884
11. Species Rhabdonia dendroides Harvey, 1860 accepted as Rhabdonia coccinea (Harvey) Harvey, 1847
12. Species Rhabdonia dura Zanardini, 1858 accepted as Solieria dura (Zanardini) F.Schmitz, 1895
13. Species Rhabdonia globifera J.Agardh, 1851 accepted as Claviclonium ovatum (J.V.Lamouroux) Kraft & Min-Thein, 1983
14. Species Rhabdonia hamata Zanardini, 1874 accepted as Antrocentrum nigrescens (Harvey) Kraft & Min-Thein, 1983 (synonym)
15. Species Rhabdonia harveyi Sonder, 1853 accepted as Rhabdonia coccinea (Harvey) Harvey, 1847
16. Species Rhabdonia jardinii J.Agardh, 1876 accepted as Rhodoglossum jardinii (J.Agardh) Kylin, 1932 (synonym)
17. Species Rhabdonia mollis Harvey, 1863 accepted as Antrocentrum nigrescens (Harvey) Kraft & Min-Thein, 1983
18. Species Rhabdonia nigrescens Harvey, 1847 accepted as Antrocentrum nigrescens (Harvey) Kraft & Min-Thein, 1983
19. Species Rhabdonia patens Harvey, 1863 accepted as Antrocentrum nigrescens (Harvey) Kraft & Min-Thein, 1983
20. Species Rhabdonia racemosa J.Agardh, 1892 accepted as Amphiplexia racemosa (J.Agardh) Kraft, 1977
21. Species Rhabdonia robusta (Greville) J.Agardh, 1851 accepted as Solieria robusta (Greville) Kylin, 1932
22. Species Rhabdonia sonderi J.Agardh, 1851 accepted as Coeloclonium tasmanicum (Harvey) Womersley, 2003
23. Species Rhabdonia tenera (J.Agardh) J.Agardh, 1851 accepted as Agardhiella subulata (C.Agardh) Kraft & M.J.Wynne, 1979
24. Species Rhabdonia umbellata Zanardini, 1874 accepted as Solieria robusta (Greville) Kylin, 1932
25. Species Rhabdonia africana Jaasund, 1976 (uncertain)

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