Echinopsis schoenii (Rauh & Backeb.) H.Friedrich & G.D.Rowley in I.O.S. Bull. 3(3): 97. 1974
Echinopsis schoenii in I.O.S. Bull. 3(3): 97. 1974
is new combination for Trichocereus schoenii in Sitzungsber. Heidelberger Akad. Wiss., Math.-Naturwiss. Kl.: 362. 1958