2 689186 Myrtillocactus geometrizans (Mart. ex Pfeiff.) Console [80 225935 Cereus geometrizans Mart. ex Pfeiff.]Boll. Reale Orto Bot. Giardino Colon. Palermo, vol. 1 (Vol. 15 Botany pt. 1 Atlas): p. 8, fig. 1 (1897-1899)
2 689186 Myrtillocactus geometrizans (Mart. ex Pfeiff.) Console [80 225935 Cereus geometrizans Mart. ex Pfeiff.]Boll. Reale Orto Bot. Giardino Colon. Palermo, vol. 1 (Vol. 15 Botany pt. 1 Atlas): p. 9, fig. 2 (1897-1899)
2 689186 Myrtillocactus geometrizans (Mart. ex Pfeiff.) Console [80 225935 Cereus geometrizans Mart. ex Pfeiff.]Boll. Reale Orto Bot. Giardino Colon. Palermo, vol. 1 (Vol. 15 Botany pt. 1 Atlas): , fig. 3 (1897-1899)
2 689186 Myrtillocactus geometrizans (Mart. ex Pfeiff.) Console [80 225935 Cereus geometrizans Mart. ex Pfeiff.]Boll. Reale Orto Bot. Giardino Colon. Palermo, vol. 1 (Vol. 15 Botany pt. 1 Atlas): , fig. 3 (1897-1899)
