Euphorbia bracteata Jacq., Pl. Hort. Schoenbr. 3: 14. 1798 sec. Martínez-Gordillo & al. 2002
- =Tithymalus bracteatus (Jacq.) Haw., Syn. Pl. Succ.: 138. 1812 syn. sec. Martínez-Gordillo & al. 2006
- =Diadenaria articulata Klotzsch & Garcke in Abh. Königl. Akad. Wiss. Berlin 1859: 108. 1860 syn. sec. Martínez-Gordillo & al. 2006
- =Diadenaria involucrata Klotzsch & Garcke in Abh. Königl. Akad. Wiss. Berlin 1859: 107. 1860 syn. sec. Martínez-Gordillo & al. 2006
- =Diadenaria pavonis Klotzsch & Garcke in Abh. Königl. Akad. Wiss. Berlin 1859: 108. 1860 syn. sec. Martínez-Gordillo & al. 2006
- =Pedilanthus articulatus (Klotzsch & Garcke) Boiss., Prodr. (DC.). 15(2): 6. 1862 syn. sec. Martínez-Gordillo & al. 2006
- =Pedilanthus bracteatus (Jacq.) Boiss., Prodr. (DC.). 15(2): 6. 1862 syn. sec. Martínez-Gordillo & al. 2006
- =Pedilanthus involucratus (Klotzsch & Garcke) Boiss., Prodr. (DC.). 15(2): 6. 1862 syn. sec. Martínez-Gordillo & al. 2006
- =Pedilanthus pavonis (Klotzsch & Garcke) Boiss., Prodr. (DC.). 15(2): 6. 1862 syn. sec. Martínez-Gordillo & al. 2006
- =Pedilanthus rubescens Brandegee in Zoe 5: 209. 1905 syn. sec. Martínez-Gordillo & al. 2006
- =Pedilanthus spectabilis B.L. Rob. in Proc. Amer. Acad. Arts 43: 23. 1907 syn. sec. Martínez-Gordillo & al. 2006
- =Pedilanthus gregii Millsp. in Publ. Field Mus. Nat. Hist. Bot. ser. 2(9): 363. 1913 syn. sec. Martínez-Gordillo & al. 2006
- =Pedilanthus olsson-sefferi Millsp. in Publ. Field Mus. Nat. Hist. Bot. ser. 2(9): 363. 1913 syn. sec. Martínez-Gordillo & al. 2006
- =Tithymalus aztecus Croizat in Amer. J. Bot. 24 (10): 703. 1937 syn. sec. Martínez-Gordillo & al. 2006
- =Tithymalus eochlorus Croizat in Amer. J. Bot. 24 (10): 704. 1937 syn. sec. Martínez-Gordillo & al. 2006
- =Tithymalus greggii (Millsp.) Croizat in Amer. J. Bot. 24 (10): 704. 1937 syn. sec. Martínez-Gordillo & al. 2006
- =Tithymalus olsson-sefferi (Millsp.) Croizat in Amer. J. Bot. 24 (10): 704. 1937 syn. sec. Martínez-Gordillo & al. 2006
- =Tithymalus spectabilis (B.L. Rob.) Croizat in Amer. J. Bot. 24 (10): 704. 1937 syn. sec. Martínez-Gordillo & al. 2006
- =Tithymalus subpavonianus Croizat in Amer. J. Bot. 24 (10): 703. 1937 syn. sec. Martínez-Gordillo & al. 2006