Zygocactus opuntioides (Loefgr. & Dusén) Loefgr. in Arch. Jard. Bot. Rio de Janeiro 2: 26. 1918
Zygocactus opuntioides in Arch. Jard. Bot. Rio de Janeiro 2: 26. 1918
is new combination for Epiphyllum opuntioides in Arq. Mus. Nac. Rio de Janeiro 13: 49. 1905