Melocactus maxonii var. sanctae-rosae L.D.Gómez in Brenesia 10-11: 128. 1977
Melocactus maxonii var. sanctae-rosae in Brenesia 10-11: 128. 1977
is basionym for Melocactus ruestii subsp. sanctae-rosae in Cact. Suc. Mex. 31: 54. 1986
Melocactus maxonii var. sanctae-rosae in Brenesia 10-11: 128. 1977
Taxon for this name