Cereus pachyrrhizus K.Schum., Gesamtbeschr. Kakt., Nachtr. 1: 33. 1903

Holotype: Paraguay, on the Cerro Noaga, naked granite rocks, alt. 350 m, J.D. Anisits Cact. 39 (B, in spirit: B 810006771)

Taxon for this name