Discocactus boliviensis Backeb. species accepted

Discocactus catingicola Buining & Brederoo species accepted

Discocactus diersianus Esteves species accepted

Discocactus fariae-peresii P. J. Braun species accepted

Discocactus ferricola Buining & Brederoo species accepted

Discocactus gentryi S. M. Hayden species accepted

Discocactus hartmannii (K. Schum.) Britton & Rose species accepted

Discocactus heptacanthus (Rodr.) Britton & Rose species accepted

Discocactus horstii Buining & Brederoo species accepted

Discocactus placentiformis (Lehm.) K. Schum. species accepted

Discocactus prominentigibbus Diers & Esteves species accepted

Discocactus pseudoinsignis N. P. Taylor & Zappi species accepted

Discocactus squamibaccatus Buining & Brederoo species accepted

Discocactus zehntneri Britton & Rose species accepted

Discocactus bahiensis Britton & Rose species accepted

Discocactus piscibarbarus N. P. Taylor & Olsthoorn species accepted