KK336: Rio Tambo, Arequipa, Peru 1500m
Neither of the two cuttings provided by Knize in 2000 matched Ritter's description [Also given as Trichocereus glaucus Ritt. Rio Tambo]

Photos:
T. glaucus Ritter (Sacred Succulents)
T. glaucus KK336 cuttings from KK.