Euphorbia yucatanensis (Millsp.) Standl., Publ. Field Mus. Nat. Hist. Bot. Ser. 3(3). 1930 sec. Martínez-Gordillo & al. 2002
- ≡Chamaesyce yucatanensis Millsp., Publ. Field Mus. Nat. Hist. Bot. Ser. 2(11). 1916 syn. sec. Martínez-Gordillo & al. 2006
- =Euphorbia cozumelensis var. pilosulca Millsp., Publ. Field Mus. Nat. Hist. Bot. Ser. 2(1). 1900 syn. sec. Martínez-Gordillo & al. 2006