Tephrocactus pentlandii var. fuauxianus Backeb. in Cactus (Paris) 38: 250. 1953
Tephrocactus pentlandii var. fuauxianus in Cactus (Paris) 38: 250. 1953
is basionym for Opuntia rossiana var. fuauxiana, Tephrocactus u. and. Feigenkakt.: 244. 2000
is basionym for Opuntia pentlandii var. fuauxiana in Natl. Cact. Succ. J. 13: 6. 1958