Epiphyllum steyermarkii Croizat in Phytologia 28(1): 19. 1974 Epiphyllum steyermarkii Croizat in Phytologia 28(1): 19. 1974Holotype: Venezuela. Miranda: Selva de Guatopo, Parque Nacional Guatopo, 27 April 1973, Steyermark 108741 (VEN-95337)Taxon for this nameEpiphyllum steyermarkii Croizat