Euphorbia graminea var. novogaliciana McVaugh Euphorbia graminea var. novogaliciana McVaugh, Contr. Univ. Michigan Herb. 19. 1993 sec. Martínez-Gordillo & al. 2006=Euphorbia galiciana McVaugh, Brittonia 13(24). 1961 syn. sec. Martínez-Gordillo & al. 2006