Euphorbia marginata Pursh, Fl. Amer. Sept. 2: 607. 1814 sec. Martínez-Gordillo & al. 2002
- =Euphorbia bonplandii Sweet, Hortus Britannicus, Sweet's. 1830 syn. sec. Martínez-Gordillo & al. 2006
- =Euphorbia bejariensis DC., Atti della Riunione degli Scienziati Italiana. 2. 1841 syn. sec. Martínez-Gordillo & al. 2006
- =Euphorbia torrida DC., Atti della Riunione degli Scienziati Italiana. 2. 1841 syn. sec. Martínez-Gordillo & al. 2006
- =Dichrophyllum marginatum (Pursh) Klotzsch & Garcke, Abh. Königl. Akad. Wiss. Berlin 1859. 1860 syn. sec. Martínez-Gordillo & al. 2006
- =Dichrophyllum variegatum Klotzsch & Garcke, Abh. Königl. Akad. Wiss. Berlin 1859. 1860 syn. sec. Martínez-Gordillo & al. 2006
- =Tithymalus marginatus (Pursh) Cockerell in Torreya 9(6): 119. 1909 syn. sec. Martínez-Gordillo & al. 2006
- =Lepadena marginata (Pursh) Nieuwl., Amer. Midl. Naturalist 2 (11-12). 1912 syn. sec. Martínez-Gordillo & al. 2006