Borzicactus variabilis (Rauh & Backeb.) Donald in Natl. Cact. Succ. J. 25: 72. 1970
Borzicactus variabilis in Natl. Cact. Succ. J. 25: 72. 1970
is new combination for Matucana variabilis in Sitzungsber. Heidelberger Akad. Wiss., Math.-Naturwiss. Kl.: 348. 1958