Euphorbia cuphosperma (Engelm.) Boiss., Prodr. (DC.). 15(2): 73. 1862 sec. Martínez-Gordillo & al. 2002
- ≡Euphorbia dentata var. cuphosperma Engelm. in Rep. U.S. Mex. Bound., Bot. 2(1): 190. 1859 syn. sec. Martínez-Gordillo & al. 2006
- =Poinsettia cuphosperma (Engelm.) Small, Fl. S. E. U. S.: 1334. 1903 syn. sec. Martínez-Gordillo & al. 2006
- =Euphorbia dentata f. cuphosperma (Engelm.) Fernald in Rhodora 50(595): 148. 1948 syn. sec. Martínez-Gordillo & al. 2006