homotypic synonyms:
Echinocactus rhodacanthus Salm-Dyck;
heterotypic synonyms:
Cereus erythrocephalus A. Berger; Cereus rhodacanthus (Salm-Dyck) F.A.C. Weber; Denmoza erythrocephala (Schumann) A. Berger; Echinopsis rhodocantha (Salm-Dyck) C.F. Först.; Pilocereus erythrocephalus Schumann;
protologue: Cact. 3: 79 (1922)
2 330215 Denmoza rhodacantha (Salm-Dyck) Britton & Rose [80 369524 Echinocactus rhodacanthus Salm-Dyck]
N.L. Britton, J.N. Rose, Cact., vol. 3 : t. 8 (1922) [M.E. Eaton]
6 330215 Denmoza rhodacantha (Salm-Dyck) Britton & Rose [125 369524 Echinocactus rhodacanthus Salm-Dyck]
M. Descole, Gen. Spec. Pl. Arg., vol. 1 (Cactaceae): t. 31 (1943)
Echinocactus rhodacanthus Salm-Dyck;
heterotypic synonyms:
Cereus erythrocephalus A. Berger; Cereus rhodacanthus (Salm-Dyck) F.A.C. Weber; Denmoza erythrocephala (Schumann) A. Berger; Echinopsis rhodocantha (Salm-Dyck) C.F. Först.; Pilocereus erythrocephalus Schumann;
protologue: Cact. 3: 79 (1922)
2 330215 Denmoza rhodacantha (Salm-Dyck) Britton & Rose [80 369524 Echinocactus rhodacanthus Salm-Dyck]N.L. Britton, J.N. Rose, Cact., vol. 3 : t. 8 (1922) [M.E. Eaton]
6 330215 Denmoza rhodacantha (Salm-Dyck) Britton & Rose [125 369524 Echinocactus rhodacanthus Salm-Dyck]M. Descole, Gen. Spec. Pl. Arg., vol. 1 (Cactaceae): t. 31 (1943)