Notocactus mammulosus var. pampeanus (Speg.) A.Cast. & H.V.Lelong, Gen. Sp. Pl. Argent. 1: 100. 1943
Notocactus mammulosus var. pampeanus, Gen. Sp. Pl. Argent. 1: 100. 1943
is new combination for Echinocactus pampeanus, Contr. Fl. Sierra Vent.: 27. 1896