Trichocereus spachianus (Lem.) Riccob. in Boll. Reale Orto Bot. Palermo 8: 237. 1909
Trichocereus spachianus in Boll. Reale Orto Bot. Palermo 8: 237. 1909
is new combination for Cereus spachianus, Hort. Universel, ser. 1: 225. 1839
Trichocereus spachianus in Boll. Reale Orto Bot. Palermo 8: 237. 1909