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