Incense-cedar could move from Libocedrus to Calocedrus; giant chinkapin from Castanopsis to Chrysolepis; saguaro from Cereum to Carnegiea; Key tree-cactus from Cereus to Pilosocereus; smokethorn from Dalea to Psorothamnus; and you could just see the bumelias (Bumelia), willow bustic (Dipholis), and false-mastic (Mastichodendron) join each other in Sideroxylon.