Notocactus macrogonus (Arechav.) G.Schäf. in Kakteen Sukk. 14: 60. 1980 ["1979"]
Notocactus macrogonus in Kakteen Sukk. 14: 60. 1980 ["1979"]
is new combination for Echinocactus sellowii var. macrogonus in Anales Mus. Nac. Montevideo 5: 232. 1905