Euphorbia setiloba Engelm. ex Torr., Report on the Botany of the Expedition 2(4). 1857 sec. Martínez-Gordillo & al. 2002
- =Chamaesyce setiloba (Engelm. ex Torr.) Millsp. ex Parish, Publ. Carnegie Inst. Wash. 193. 1913 syn. sec. Martínez-Gordillo & al. 2006
- =Euphorbia floccosiuscula M.E. Jones, Contr. W. Bot. 15. 1929 syn. sec. Martínez-Gordillo & al. 2006