Discocactus magnimammus subsp. bonitoensis Buining & Brederoo, Discocactus: 204. 1976 Discocactus magnimammus subsp. bonitoensis Buining & Brederoo, Discocactus: 204. 1976is basionym for Discocactus hartmannii var. bonitoensis (Buining & Brederoo) P.J.Braun in Kakteen And. Sukk. 36: 23. 1985Taxon for this nameDiscocactus magnimammus subsp. bonitoensis Buining & Brederoo