Melocactus communis var. havannensis Pfeiff., Enum. Diagn. Cact.: 43. 1837
Melocactus communis var. havannensis, Enum. Diagn. Cact.: 43. 1837
is basionym for Melocactus havannensis, Monogr. Melocacti: 64. 1840
Melocactus communis var. havannensis, Enum. Diagn. Cact.: 43. 1837
Taxon for this name