Trichocereus werdermannianus Backeb., Kaktus-ABC: 206, 412. 1936 ["1935"]
Trichocereus werdermannianus, Kaktus-ABC: 206, 412. 1936 ["1935"]
is basionym for Echinopsis werdermanniana in I.O.S. Bull. 3(3): 99. 1974
is basionym for Leucostele werdermanniana in Cactaceae Syst. Init. 28: 30. 2012