Neoporteria subgibbosa f. litoralis (F.Ritter) Donald & G.D.Rowley in Cact. Succ. J. Gr. Brit. 28: 58. 1966
Neoporteria subgibbosa f. litoralis in Cact. Succ. J. Gr. Brit. 28: 58. 1966
is new combination for Neoporteria litoralis in Succulenta (Netherlands) 1959: 28. 1959