Plant grafts. Left to right: Pathycerus pecto-abrigine and Pachycereus Pringlei; Marginato cergus marginatus and Pilosocerens; Tricho Cereus Hertringinnis, Pilosocerens azureus, and Wetoerocereus yohnstonii; Isocato cereus pumortgrii and Pilosocereus hu.