Trichocereus quadratiumbonatus F.Ritter, Kakteen Südamerika 2: 566, fig. 1980

is basionym for Echinopsis quadratiumbonata (F.Ritter) D.R.Hunt in Cactaceae Consensus Init. 4: 5. 1997

is basionym for Soehrensia quadratiumbonata (F.Ritter) Schlumpb. in Cactaceae Syst. Init. 28: 31. 2012

Holotype: Bolivia, dept. Santa Cruz, prov. Cordillera, c. 12 km W of Boyuibe, alt. c. 1000 m, 1963, F. Ritter 1156 (U)

Taxon for this name