homotypic synonyms:
Epiphyllanthus opuntioides species (Loefgr. & Dusén) Moran; Epiphyllum opuntioides species Loefgr. & Dusén;
protologue: Kew Bull. 23: 260 (1969)
6 918426 Schlumbergera opuntioides (Loefgr. & Dusén) D.R.Hunt [125 390318 Epiphyllum opuntioides Loefgr. & Dusén]
Arch. Jard. Bot. Rio de Janeiro, vol. 2 : t. 4 (1917) [L. Cordeiro]
Epiphyllanthus opuntioides species (Loefgr. & Dusén) Moran; Epiphyllum opuntioides species Loefgr. & Dusén;
protologue: Kew Bull. 23: 260 (1969)
6 918426 Schlumbergera opuntioides (Loefgr. & Dusén) D.R.Hunt [125 390318 Epiphyllum opuntioides Loefgr. & Dusén]Arch. Jard. Bot. Rio de Janeiro, vol. 2 : t. 4 (1917) [L. Cordeiro]