Stenocereus thurberi (Engelm.) Buxb. Stenocereus thurberi (Engelm.) Buxb. in Bot. Stud. 12: 101. 1961 sec. Guzmán & al. 2003≡Cereus thurberi Engelm. in Amer. J. Sci. Arts, ser. 2, 17: 234. 1854 syn. sec. Guzmán & al. 2003