Epiphyllum biforme (Lindl.) G.Don, Encycl. Pl., ed. 3: 1378. 1855 Epiphyllum biforme (Lindl.) G.Don, Encycl. Pl., ed. 3: 1378. 1855is new combination for Cereus biformis Lindl. in Bot. Reg. 29: misc. 51. 1843is orthographic variant for Epiphyllum biformisTaxon for this nameEpiphyllum biforme (Lindl.) G.Don