Horridocactus Backeb. in Blätt. Kakteenf. 1938(6): 21. 1938 Horridocactus Backeb. in Blätt. Kakteenf. 1938(6): 21. 1938Type: Horridocactus horridus (Colla) Backeb.Taxon for this nameHorridocactus Backeb. Main menuHome How To Use Checklist Updates Editorial Credits Admin