Tephrocactus articulatus var. polyacanthus (Speg.) Backeb. in Cactus (Paris) 38: 249. 1953
Tephrocactus articulatus var. polyacanthus in Cactus (Paris) 38: 249. 1953
is new combination for Opuntia diademata var. polyacantha in Anales Mus. Nac. Buenos Aires, ser. 3, 4: 511. 1905