Pterocactus australis (F.A.C.Weber) Backeb. in Desert Pl. Life 22: 17. 1950
Pterocactus australis in Desert Pl. Life 22: 17. 1950
is new combination for Opuntia australis in Bois, Dict. Hort.: 896. 1898
Pterocactus australis in Desert Pl. Life 22: 17. 1950