Matucana hystrix var. atrispina Rauh & Backeb., Descr. Cact. Nov. 1: 19. 1957 ["1956"]
Matucana hystrix var. atrispina, Descr. Cact. Nov. 1: 19. 1957 ["1956"]
is basionym for Borzicactus haynei var. atrispina in Natl. Cact. Succ. J. 25: 111. 1970