Hydrocotyle verticillata Thunb. in Rhodora 41: 437. 1939 sec. Espejo-Serna & López-Ferrari 2011
- =Hydrocotyle interrupta Muhl., Cat. Pl. Amer. Sept.: 10. 1813 syn. sec. ???
- =Hydrocotyle racemosa Sessé & Moc. ex DC., Prodr. 4: 70. 1830 syn. sec. The Plant List 2013
- =Hydrocotyle prolifera Kellogg in Proc. Calif. Acad. Sci. 1: 15. 1854 syn. sec. Davidse, G. D., Sousa Sánchez, M., Knapp, S. & Chiang Cabrera, F. (Eds.) 1996
- =Hydrocotyle cuneata J.M. Coult. & Rose in Contr. U.S. Natl. Herb. 7(1): 28. 1900 syn. sec. The Plant List 2013