Synonyms
Trichocereus spachianus (Lem.) Riccob.
Cereus santiaguensis Speg.
Cereus spachianus Lem.
Echinopsis spachiana (Lem.) H.Friedrich & G.D.Rowley
Trichocereus santiaguensis (Speg.) Backeb.
Echinopsis santiaguensis (Speg.) H.Friedrich & G.D.Rowley