Helianthocereus huascha (F.A.C.Weber) Backeb. in Cact. Succ. J. (Los Angeles) 23: 48. 1951 Helianthocereus huascha (F.A.C.Weber) Backeb. in Cact. Succ. J. (Los Angeles) 23: 48. 1951is new combination for Cereus huascha F.A.C.Weber in Monatsschr. Kakteenk. 3: 151. 1893Taxon for this nameHelianthocereus huascha (F.A.C.Weber) Backeb.