Melocactus ×albicephalus Melocactus ×albicephalus Buining & Brederoo in Krainz, Kakteen 52: CVId. 1973 sec. ??? wfo-0001254884≡Melocactus albicephalus Buining & Brederoo in Krainz, Kakteen 52: CVId. 1973 syn. sec. ??? wfo-0000369339Content