Trichocereus pachanoi Britton & Rose, Cactaceae 2: 134. 1920
Trichocereus pachanoi, Cactaceae 2: 134. 1920
is basionym for Cereus pachanoi in Backeberg, Neue Kakteen: 73. 1931
is basionym for Trichocereus macrogonus var. pachanoi in Haseltonia 17: 32. 2012
is basionym for Echinopsis pachanoi in I.O.S. Bull. 3(3): 96. 1974