Tephrocactus pyrrhacanthus var. leucoluteus Backeb., Descr. Cact. Nov. 1: 9. 1957 ["1956"]
Tephrocactus pyrrhacanthus var. leucoluteus, Descr. Cact. Nov. 1: 9. 1957 ["1956"]
is basionym for Opuntia pyrrhacantha var. leucolutea in Natl. Cact. Succ. J. 13: 6. 1958