Helxine Req. in Ann. Sci. Nat. (Paris) 5: 384. 1825 Helxine Req. in Ann. Sci. Nat. (Paris) 5: 384. 1825is replaced synonym for Soleirolia Gaudich., Voy. Uranie, Bot.: 504. 1830non Helxine L., Opera Var.: 223. 1758Taxon for this nameHelxine Req. in Ann. Sci. Nat. (Paris) 5: 384. 1825