Melocactus azureus Buining & Brederoo in Kakteen And. Sukk. 22: 101. 1971 Melocactus azureus Buining & Brederoo in Kakteen And. Sukk. 22: 101. 1971Taxon for this nameMelocactus azureus Buining & Brederoo in Kakteen And. Sukk. 22: 101. 1971
