Trichocereus vollianus var. rubrispinus Backeb., Kaktus-ABC: 412. 1936 ["1935"] Trichocereus vollianus var. rubrispinus Backeb., Kaktus-ABC: 412. 1936 ["1935"]is basionym for Echinopsis volliana var. rubrispina (Backeb.) H.Friedrich & G.D.Rowley in I.O.S. Bull. 3(3): 99. 1974Taxon for this nameTrichocereus vollianus var. rubrispinus Backeb.