Neoporteria curvispina var. heinrichiana (Backeb.) Donald & G.D.Rowley in Cact. Succ. J. Gr. Brit. 28: 56. 1966
Neoporteria curvispina var. heinrichiana in Cact. Succ. J. Gr. Brit. 28: 56. 1966
is new combination for Horridocactus heinrichianus in Beitr. Sukkulentenk. Sukkulentenpflege 1942: 8. 1942