Melocactus azureus var. krainzianus (Buining & Brederoo) P.J.Braun in Bradleya 6: 94. 1988
Melocactus azureus var. krainzianus in Bradleya 6: 94. 1988
is new combination for Melocactus krainzianus in Krainz, Kakteen 62: CVId. 1975
Melocactus azureus var. krainzianus in Bradleya 6: 94. 1988
Taxon for this name