Euphorbia lineata S. Watson, Proc. Amer. Acad. Arts 21. 1886 sec. Martínez-Gordillo & al. 2006
- =Chamaesyce lineata (S. Watson) Millsp., Publ. Field Mus. Nat. Hist. Bot. Ser. 2(11). 1916 syn. sec. Martínez-Gordillo & al. 2006
- =Euphorbia paludicola McVaugh, Brittonia 13(24). 1961 syn. sec. Martínez-Gordillo & al. 2006