Echinocactus denudatus var. leheideliana F.Haage in Cact. J. (London) 1: 90. 1898 Echinocactus denudatus var. leheideliana F.Haage in Cact. J. (London) 1: 90. 1898Taxon for this nameEchinocactus denudatus var. leheideliana F.Haage