Trichocereus atacamensis (Phil.) W.T.Marshall in Marshall & Bock, Cactaceae: 94. 1941 Trichocereus atacamensis (Phil.) W.T.Marshall in Marshall & Bock, Cactaceae: 94. 1941is new combination for Cereus atacamensis Phil., Fl. Atacam: 23. 1860Taxon for this nameTrichocereus atacamensis (Phil.) W.T.Marshall