Echinocactus sellowii var. macrogonus Arechav. in Anales Mus. Nac. Montevideo 5: 232. 1905

Echinocactus sellowii var. macrogonus Arechav. in Anales Mus. Nac. Montevideo 5: 232. 1905

Echinocactus sellowii var. macrogonus Arechav. in Anales Mus. Nac. Montevideo 5: 232. 1905
is basionym for Echinocactus sellowii f. macrogonus (Arechav.) Schelle, Kakteen: 183. 1926
is basionym for Wigginsia macrogona (Arechav.) D.M.Porter in Taxon 13(6): 210. 1964
is basionym for Malacocarpus macrogonus (Arechav.) Herter in Revista Sudamer. Bot. 7: 216. 1943
is basionym for Notocactus sellowii f. macrogonus (Arechav.) Havlíček in Internoto 15(3): 89. 1994
is basionym for Notocactus macrogonus (Arechav.) G.Schäf. in Kakteen Sukk. 14: 60. 1980 ["1979"]
Taxon for this name