Opuntia sulphurea Gillies ex Salm-Dyck, Hort. Dyck.: 360. 1834 Opuntia sulphurea Gillies ex Salm-Dyck, Hort. Dyck.: 360. 1834Neotype (designated by Iliff, J.: 61): Herb. Hookerianum, Gillies s.n. (K)Taxon for this nameOpuntia sulphurea Gillies ex Salm-Dyck, Hort. Dyck.: 360. 18341. Iliff, J.: New types in Opuntia sens. lat. – Cactaceae Systematics Initiatives 9: 5-7