Tephrocactus platyacanthus var. angustispinus Backeb., Descr. Cact. Nov. 1: 8. 1957 ["1956"]
Tephrocactus platyacanthus var. angustispinus, Descr. Cact. Nov. 1: 8. 1957 ["1956"]
is basionym for Opuntia platyacantha var. angustispina in Natl. Cact. Succ. J. 13: 6. 1958