Opuntia diademata var. polyacantha Speg. in Anales Mus. Nac. Buenos Aires, ser. 3, 4: 511. 1905
Opuntia diademata var. polyacantha in Anales Mus. Nac. Buenos Aires, ser. 3, 4: 511. 1905
is basionym for Opuntia glomerata var. polycantha in Natl. Cact. Succ. J. 13: 5. 1958
is basionym for Tephrocactus articulatus var. polyacanthus in Cactus (Paris) 38: 249. 1953