Melocactus mazelianus subsp. andinus (R.Gruber ex N.P.Taylor) Guiggi in Cactology 2: 7. 2010.

Nomenclatural References

• person : Alessandro Guiggi (b.1973) Based on occurrence of standard abbreviation 'Guiggi' in the authors string.
• person : Nigel Paul Taylor (b.1956) Based on occurrence of standard abbreviation 'N.P.Taylor' in the authors string.
• person : Rudolf Gruber (b.1932) Based on occurrence of standard abbreviation 'R.Gruber' in the authors string.