Euphorbia elata Brandegee Euphorbia elata Brandegee, Univ. Calif. Publ. Bot. 6. 1914 sec. Martínez-Gordillo & al. 2002=Euphorbia valerii Standl., J. Wash. Acad. Sci. 17. 1927 syn. sec. Martínez-Gordillo & al. 2006