Melocactus radoczii Z.Mészáros in Acta Biol. Acad. Sci. Hung. 22: 136. 1976

Holotype: Cuba, [Guantánamo Province], on serpentine rocks on the outskirts of Guajimero, north of La Tinta, Sierra de Baracoa, Province Oriente, [in label: Sierra de Baracoa, Guajimero, Peladeros de Jauco. Oriente], May 1975, Mészáros & Radócz s.n. (HAC: No. SV 27865)

Taxon for this name