Euphorbia mendezii Boiss., Cent. Euphorb. 1860 sec. Martínez-Gordillo & al. 2002
- =Euphorbia dorsiventralis Urb., Symb. Antill. 5(3). 1908 syn. sec. Martínez-Gordillo & al. 2006
- =Chamaesyce barbicarina Millsp. in Publ. Field Mus. Nat. Hist. Bot. Ser. 2(11): 401. 1916 syn. sec. Martínez-Gordillo & al. 2006
- =Chamaesyce dorsiventralis (Urb.) Millsp. in Publ. Field Mus. Nat. Hist. Bot. Ser. 2(11): 409. 1916 syn. sec. Martínez-Gordillo & al. 2006
- =Chamaesyce mendezii (Boiss.) Millsp., Publ. Field Mus. Nat. Hist. Bot. Ser. 2(11). 1916 syn. sec. Martínez-Gordillo & al. 2006
- =Euphorbia barbicarina (Millsp.) Standl., Publ. Field Mus. Nat. Hist. Bot. Ser. 3(3). 1930 syn. sec. Martínez-Gordillo & al. 2006