Echinocactus buekii Klein bis in Gartenflora 8: 257. 1859
Echinocactus buekii in Gartenflora 8: 257. 1859
is basionym for Thelocactus buekii, Cactaceae 4: 8. 1923
is basionym for Thelocactus tulensis subsp. buekii in Cactaceae Consensus Init. 5: 14. 1998
is basionym for Thelocactus tulensis var. buekii in Bradleya 5: 65. 1987