Euphorbia guadalajarana S. Watson in Proc. Amer. Acad. Arts 22: 449. 1887 sec. Martínez-Gordillo & al. 2002
- =Eumecanthus guadalajaranus (S. Watson) Millsp., Publ. Field Mus. Nat. Hist. Bot. ser. 2(11). 414. 1916 syn. sec. Martínez-Gordillo & al. 2006