Echinocactus polycephalus Engelm. & J.M.Bigelow, Pacif. Railr. Rep., Bot. 4: 31. 1857

Echinocactus polycephalus Engelm. & J.M.Bigelow, Pacif. Railr. Rep., Bot. 4: 31. 1857

Echinocactus polycephalus Engelm. & J.M.Bigelow, Pacif. Railr. Rep., Bot. 4: 31. 1857

is basionym for Homalocephala polycephala (Engelm. & J.M.Bigelow) Vargas & Bárcenas in PhytoKeys 111: 49. 2018

is basionym for Echinocactus polycephalus var. polycephalus

is basionym for Emorycactus polycephalus (Engelm. & J.M.Bigelow) Doweld in Succulenta (Netherlands) 75: 270. 1996

Taxon for this name

Echinocactus polycephalus Engelm. & J.M.Bigelow, Pacif. Railr. Rep., Bot. 4: 31. 1857