Euphorbia misella S. Watson Euphorbia misella S. Watson in Proc. Amer. Acad. Arts 26: 146. 1891 sec. Martínez-Gordillo & al. 2002=Euphorbia biuncialis McVaugh in Brittonia 13(24): 172, f. 36. 1961 syn. sec. Martínez-Gordillo & al. 2006