Borzicactus haynei var. perplexa (Backeb.) Donald in Natl. Cact. Succ. J. 25: 111. 1970
Borzicactus haynei var. perplexa in Natl. Cact. Succ. J. 25: 111. 1970
is new combination for Matucana herzogiana var. perplexa in Cact. Succ. J. (Los Angeles) 2(4): 70–71. 1956