Epiphyllum caulorrhizum (Lem.) G.Don, Encycl. Pl., ed. 3: 1380. 1855 Epiphyllum caulorrhizum (Lem.) G.Don, Encycl. Pl., ed. 3: 1380. 1855is new combination for Phyllocactus caulorrhizus Lem. in Jard. Fleur. 1: misc. 6. 1851Taxon for this nameEpiphyllum caulorrhizum (Lem.) G.Don