| Name | Author | Source | Citation | Year |
|---|---|---|---|---|
| Chara aridicola | M.T. Casanova & K.G. Karol | Austral. Syst. Bot. | 36: 47 | 2023 |
| Chara arnhemensis | M.T. Casanova & K.G. Karol | Austral. Syst. Bot. | 36: 49, fig. 6 | 2023 |
| Chara bancroftii | (J. Groves) M.T. Casanova & K.G. Karol | Austral. Syst. Bot. | 36: 51 | 2023 |
| Chara behriana | (A. Braun) F. Mueller ex M.T. Casanova & K.G. Karol | Austral. Syst. Bot. | 36: 51 | 2023 |
| Chara contraria var. australis | A. Braun | Linnaea | 25: 708 | 1853 |
| Chara contraria var. behriana | A. Braun | Linnaea | 25: 709 | 1833 |
| Chara duriuscula | (A. Braun) M.T. Casanova & K.G. Karol | Austral. Syst. Bot. | 36: 55 | 2023 |
| Chara fibrosa f. arnhemensis | R.D. Wood | Taxon | 11: 13 | 1962 |
| Chara fibrosa var. duriuscula | (A. Braun) Zaneveld | Blumea | 4: 160 | 1940 |
| Chara gymnopitys var. duriuscula | A. Braun in Nordstedt, | Abh. Königl. Akad. Wiss. Berlin | 1882: 126 | 1883 |
| Chara lamprothamniformis | M.T. Casanova in Casanova & Karol | Austral. Syst. Bot. | 36: 61, fig. 14 | 2023 |
| Chara preissii var. bancroftii | J. Groves in Groves & Allen | Proc. Roy. Soc. Queensland | 46: 56 | 1935 |
| Chara schultiae ('schultae') | M.T. Casanova in Casanova & Karol | Austral. Syst. Bot. | 36: 68, fig. 18 | 2023 |
| Dictyota papenfussii | Lindauer | Trans. & Proc. Roy. Soc. N.Z. | 77: 390, pl. 38: figs. 1-3; pl. 39: fig. 17 | 1949 |
| LINDAUERA | W.A. Nelson & J.E. Sutherland | Austral. Syst. Bot. | 36: 162 | 2023 |
| Lindauera papenfussii | (Lindauer) W.A. Nelson & J.E. Sutherland | Austral. Syst. Bot. | 36: 163 | 2023 |
| Merismopedia gardneri | (F.S. Collins) Setchell in Gardner, | Univ. Calif. Publ. Bot. | 2: 239 | 1906 |
| Peridinium africanum f. spinulosum | (Wołoszyńska) M. Lefèvre | Arch. Bot., Mém. | 2{5}: 146 | 1932 |
| Peridinium inconspicuum f. armatum | (Lemmermann) M. Lefèvre | Arch. Bot., Mém. | 2{5}: 131 | 1932 |