Epiphyllum russellianum var. superbum T.Br. in Gard. Chron. 1864: 318. 1864 Epiphyllum russellianum var. superbum T.Br. in Gard. Chron. 1864: 318. 1864Taxon for this nameEpiphyllum russellianum var. superbum T.Br.