Haageocereus pseudomelanostele subsp. acanthocladus (Rauh & Backeb.) Ostolaza in Brit. Cact. Succ. J. 21: 94. 2003
Haageocereus pseudomelanostele subsp. acanthocladus in Brit. Cact. Succ. J. 21: 94. 2003
is new combination for Haageocereus acanthocladus in Sitzungsber. Heidelberger Akad. Wiss., Math.-Naturwiss. Kl.: 408. 1958