Echinopepon gemellus (DC.) A.K. Monro & Stafford in Ann. Missouri Bot. Gard. 85(2): 627. 1998 sec. Lira & Rodríguez-Arévalo 2006
- ≡Elaterium gemellum Ser., Prodr. 3: 310. 1828 syn. sec. Lira & Rodríguez-Arévalo 2006
- =Echinocystis gemella (Ser.) Cogn., Diagn. Cucurb. Nouv. 2: 88. 1877 syn. sec. Lira & Rodríguez-Arévalo 2006