Matucana blancii Backeb. in Natl. Cact. Succ. J. 11: 71. 1956 Matucana blancii Backeb. in Natl. Cact. Succ. J. 11: 71. 1956is basionym for Borzicactus haynei var. blancii (Backeb.) Donald in Natl. Cact. Succ. J. 25: 72. 1970Taxon for this nameMatucana blancii Backeb.