Cephalocereus guentheri Kupper in Monatsschr. Deutsch. Kakteen-Ges. 3: 159. 1931
Cephalocereus guentheri in Monatsschr. Deutsch. Kakteen-Ges. 3: 159. 1931
is basionym for Vatricania guentheri in Cact. Succ. J. (Los Angeles) 23: 149. 1951
is basionym for Espostoa guentheri in Oesterr. Bot. Z. 106: 155. 1959
is basionym for Echinopsis guentheri in Cactusinhabitat S. Amer. 2011/2013: 38. 2013
is basionym for Espostoa guentheri in Novon 15: 277. 2005
is basionym for Cereus guentheri in Backeberg, Neue Kakteen: 72. 1931