| Hydrocotyle alsophila Colenso | Hydrocotyle novae-zeelandiae DC. |
| Hydrocotyle ambigua Pursh | Erigenia bulbosa (Michx.) Nutt. |
| Hydrocotyle amoena Colenso | Hydrocotyle novae-zeelandiae DC. |
| Hydrocotyle araucana Phil. | Hydrocotyle chamaemorus Cham. & Schltdl. |
| Hydrocotyle bonplandii glabra Mathias | Hydrocotyle bonplandii A.Rich. |
| Hydrocotyle bulbosa (Michx.) Eaton & Wright | Erigenia bulbosa (Michx.) Nutt. |
| Hydrocotyle bupleuriflora A.Rich. | Centella glabrata L. |
| Hydrocotyle bupleurifolia A.Rich. | Centella glabrata L. |
| Hydrocotyle capensis (L.) Kuntze | Centella capensis (L.) Domin |
| Hydrocotyle capitata Banks & Sol. ex A.Rich. | Hydrocotyle moschata G.Forst. |
| Hydrocotyle carrerae Phil. | Hydrocotyle chamaemorus Cham. & Schltdl. |
| Hydrocotyle centella Cham. & Schltdl. | Centella glabrata L. |
| Hydrocotyle chamaemorus valdiviana (Phil.) Reiche | Hydrocotyle chamaemorus Cham. & Schltdl. |
| Hydrocotyle chilensis F.Phil. | Hydrocotyle bonplandii A.Rich. |
| Hydrocotyle colorata Colenso | Hydrocotyle moschata G.Forst. |
| Hydrocotyle compacta A.Rich. | Hydrocotyle moschata G.Forst. |
| Hydrocotyle composita Pursh | Erigenia bulbosa (Michx.) Nutt. |
| Hydrocotyle concinna Colenso | Hydrocotyle elongata A.Cunn. ex Hook.f. |
| Hydrocotyle dichondrifolia A.Cunn. | Hydrocotyle novae-zeelandiae DC. |
| Hydrocotyle dissecta Raf. | Erigenia bulbosa (Michx.) Nutt. |
| Hydrocotyle echinella Colenso | Hydrocotyle elongata A.Cunn. ex Hook.f. |
| Hydrocotyle falcata Eckl. & Zeyh. | Centella glabrata L. |
| Hydrocotyle flexuosa Eckl. & Zeyh. | Centella flexuosa (Eckl. & Zeyh.) Drude |
| Hydrocotyle gaudichaudiana DC. | Hydrocotyle hirta R.Br. ex A.Rich. |
| Hydrocotyle glabra Thunb. | Centella glabrata L. |
| Hydrocotyle gummifera Lam. | Bolax gummifera (Lam.) Spreng. |
| Hydrocotyle hederifolia Burch. | Centella macrodus (Spreng.) B.L.Burtt |
| Hydrocotyle heterophylla Schinz | Centella glabrata L. |
| Hydrocotyle hirta partita Domin | Hydrocotyle hirta R.Br. ex A.Rich. |
| Hydrocotyle humboldtii isoloba (Wedd.) Mathias | Hydrocotyle humboldtii A.Rich. |
| Hydrocotyle humboldtii Willd. ex DC. | Hydrocotyle bonplandii A.Rich. |
| Hydrocotyle intermixta Colenso | Hydrocotyle novae-zeelandiae DC. |
| Hydrocotyle intertexta R.Br. ex A.Rich. | Hydrocotyle hirta R.Br. ex A.Rich. |
| Hydrocotyle isoloba Wedd. | Hydrocotyle humboldtii A.Rich. |
| Hydrocotyle macrodus Spreng. | Centella macrodus (Spreng.) B.L.Burtt |
| Hydrocotyle mollissima E.Mey. ex Eckl. & Zeyh. | Centella villosa L. |
| Hydrocotyle montana Cham. & Schltdl. | Centella montana (Cham. & Schltdl.) Domin |
| Hydrocotyle muscosa R.Br. ex A.Rich. | Hydrocotyle tripartita R.Br. ex A.Rich. |
| Hydrocotyle pauciflora Phil. | Ranunculus minutiflorus Bertero ex Phil. |
| Hydrocotyle plantaginea Spreng. | Centella glabrata L. |
| Hydrocotyle pulchella R.Br. ex A.Rich. | Hydrocotyle hirta R.Br. ex A.Rich. |
| Hydrocotyle rahmerii Phil. | Hydrocotyle chamaemorus Cham. & Schltdl. |
| Hydrocotyle sibthorpioides Colenso | Hydrocotyle moschata G.Forst. |
| Hydrocotyle skottsbergii Gand. | Hydrocotyle chamaemorus Cham. & Schltdl. |
| Hydrocotyle tasmanica Hook.f. | Hydrocotyle hirta R.Br. ex A.Rich. |
| Hydrocotyle tomentosa Thunb. | Centella capensis (L.) Domin |
| Hydrocotyle tridentata L.f. | Centella tridentata (L.f.) Drude ex Domin |
| Hydrocotyle triloba Thunb. | Centella triloba (Thunb.) Drude |
| Hydrocotyle tripartita muscosa (R.Br. ex A.Rich.) Benth. | Hydrocotyle tripartita R.Br. ex A.Rich. |
| Hydrocotyle uncinata Turcz. | Centella villosa L. |
| Hydrocotyle vagans Hook.f. | Hydrocotyle hirta R.Br. ex A.Rich. |
| Hydrocotyle valdiviana Phil. | Hydrocotyle chamaemorus Cham. & Schltdl. |
| Hydrocotyle villosa (L.) L.f. | Centella villosa L. |