Cactus pitajaya Blanco, 1845 species accepted

Cactus speciosus Gillies ex Sweet, 1830 species accepted

Cactus tuna-elatior Roxb. species accepted

Cactus peruvianus Willd., 1814 species accepted

Cactus tuna-major Roxb. species accepted

Cactus nanus hort. ex Steud., 1841 species accepted

Cactus coronarius Cav. species accepted

Cactus lemarii Monv. species accepted

Cactus tenuis Schott ex DC., 1828 species accepted

Cactus opuntia Blanco, 1837 species accepted

Cactus kagenekii Gmel. ex Salm-Dyck, 1828 species accepted

Cactus euclorus Kuntze, 1891 species accepted

Cactus aphyllus Aikman, 1794 species accepted

Cactus similis Rydb. species accepted

Cactus urumbella Steud., 1840 species accepted

Cactus zephyranthoides (Scheidw.) Kuntze species accepted

Cactus humboldii Kunth species accepted

Cactus royenii Willd., 1814 species accepted

Cactus neglectus Dehnhardt species accepted

Cactus humilis Desf. ex Steud., 1840 species accepted

Cactus tenuis Schott species homotypic synonym

Cactus speciosus Gillies species homotypic synonym

Cactus nanus hort. species homotypic synonym

Cactus humilis Desf. species homotypic synonym