Echinocactus glaucus K.Schum., Gesamtbeschr. Kakt.: 438–439. 1897–1899
Echinocactus glaucus, Gesamtbeschr. Kakt.: 438–439. 1897–1899
is basionym for Sclerocactus glaucus in Cact. Succ. J. (Los Angeles) 38(2): 53. 1966
is basionym for Sclerocactus whipplei var. glaucus in Great Basin Naturalist 44: 68. 1984
is basionym for Pediocactus glaucus in Cact. Succ. J. (Los Angeles) 44(5): 221. 1972
is basionym for Ferocactus glaucus in Cact. Succ. J. Gr. Brit. 41: 90. 1989