Sclerocactus blainei S. L. Welsh & K. H. Thorne species accepted

Sclerocactus brevihamatus (Engelm.) D. R. Hunt species accepted

Sclerocactus brevispinus K. D. Heil & J. M. Porter species accepted

Sclerocactus cloverae K. D. Heil & J. M. Porter species accepted

Sclerocactus glaucus (K. Schum.) L. D. Benson species accepted

Sclerocactus intertextus (Engelm.) N. P. Taylor species accepted

Sclerocactus johnsonii (Parry ex Engelm.) N. P. Taylor species accepted

Sclerocactus mariposensis (Hester) N. P. Taylor species accepted

Sclerocactus mesae-verdae (Boissev. & C. Davidson) L. D. Benson species accepted

Sclerocactus papyracanthus (Engelm.) N. P. Taylor species accepted

Sclerocactus parviflorus Clover & Jotter species accepted

Sclerocactus pinkavanus (García-Mor., Gonz.-Bot. & Rodr. González) M. H. J. van der Meer species accepted

Sclerocactus polyancistrus (Engelm. & J. M. Bigelow) Britton & Rose species accepted

Sclerocactus scheerii (Salm-Dyck) N. P. Taylor species accepted

Sclerocactus sileri (L. D. Benson) K. D. Heil & J. M. Porter species accepted

Sclerocactus unguispinus (Engelm.) N. P. Taylor species accepted

Sclerocactus warnockii (L. D. Benson) N. P. Taylor species accepted

Sclerocactus wetlandicus Hochstätter species accepted

Sclerocactus whipplei (Engelm. & J. M. Bigelow) Britton & Rose species accepted

Sclerocactus wrightiae L. D. Benson species accepted

Sclerocactus pubispinus (Engelm.) L. D. Benson species accepted

Sclerocactus spinosior (Engelm.) D. Woodruff & L. D. Benson species accepted

Sclerocactus nyensis Hochstätter species accepted

Sclerocactus dawsoniae Mc Glaughlin & Naibauer species accepted