Neoporteria eriosyzoides (F.Ritter) Donald & G.D.Rowley in Cact. Succ. J. Gr. Brit. 28: 56. 1966
Neoporteria eriosyzoides in Cact. Succ. J. Gr. Brit. 28: 56. 1966
is new combination for Horridocactus eriosyzoides in Succulenta (Netherlands) 1959: 49. 1959