Neoporteria heinrichiana (Backeb.) Ferryman, Cacti Illustr. Dict.: 143. 1991 Neoporteria heinrichiana (Backeb.) Ferryman, Cacti Illustr. Dict.: 143. 1991is new combination for Horridocactus heinrichianus Backeb. in Beitr. Sukkulentenk. Sukkulentenpflege 1942: 8. 1942Taxon for this nameNeoporteria heinrichiana (Backeb.) Ferryman