Trichocereus glaucus F.Ritter in Kakteen And. Sukk. 11: 180. 1962 Trichocereus glaucus F.Ritter in Kakteen And. Sukk. 11: 180. 1962is basionym for Echinopsis glauca (F.Ritter) H.Friedrich & G.D.Rowley in I.O.S. Bull. 3(3): 95. 1974Taxon for this nameTrichocereus glaucus F.Ritter