Sclerocactus blainei S.L. Welsh & K.H. Thorne |
Accepted |
 |
TRO |
|
Sclerocactus brevihamatus (Engelm.) D.R. Hunt |
Synonym |
 |
TRO |
|
Sclerocactus brevihamatus subsp. tobuschii (W.T. Marshall) N.P. Taylor |
Synonym |
 |
TRO |
|
Sclerocactus brevispinus K.D. Heil & J.M. Porter |
Accepted |
 |
TRO |
|
Sclerocactus cloverae K.D. Heil & J.M. Porter |
Accepted |
 |
TRO |
|
Sclerocactus cloverae subsp. brackii K.D. Heil & J.M. Porter |
Synonym |
 |
TRO |
|
Sclerocactus contortus K.D. Heil |
Synonym |
 |
TRO |
|
Sclerocactus erectocentrus (J.M. Coult.) N.P. Taylor |
Synonym |
 |
TRO |
|
Sclerocactus franklinii J.W.Evans |
Unresolved |
 |
WCSP (in review) |
|
Sclerocactus glaucus (K. Schum.) L.D. Benson |
Accepted |
 |
TRO |
|
Sclerocactus havasupaiensis Clover |
Synonym |
 |
TRO |
|
Sclerocactus havasupaiensis var. roseus Clover |
Synonym |
 |
TRO |
|
Sclerocactus intermedius Peebles |
Synonym |
 |
TRO |
|
Sclerocactus intertextus (Engelm.) N.P. Taylor |
Synonym |
 |
TRO |
|
Sclerocactus intertextus var. dasyacanthus (Engelm.) N.P. Taylor |
Synonym |
 |
TRO |
|
Sclerocactus johnsonii (Parry ex Engelm.) N.P. Taylor |
Synonym |
 |
TRO |
|
Sclerocactus mariposensis (Hester) N.P. Taylor |
Synonym |
 |
TRO |
|
Sclerocactus mesae-verdae (Boissev. & C. Davidson) L.D. Benson |
Accepted |
 |
TRO |
|
Sclerocactus nyensis Hochstätter |
Accepted |
 |
TRO |
|
Sclerocactus papyracanthus (Engelm.) N.P. Taylor |
Accepted |
 |
TRO |
|
Sclerocactus parviflorus Clover & Jotter |
Accepted |
 |
TRO |
|
Sclerocactus parviflorus subsp. havasupaiensis (Clover) Hochstätter |
Synonym |
 |
TRO |
|
Sclerocactus parviflorus var. intermedius (Peebles) D. Woodruff & L.D. Benson |
Synonym |
 |
TRO |
|
Sclerocactus parviflorus subsp. terrae-canyonae (K.D. Heil) K.D. Heil & J.M. Porter |
Synonym |
 |
TRO |
|
Sclerocactus polyancistrus (Engelm. & J.M. Bigelow) Britton & Rose |
Accepted |
 |
TRO |
|
Sclerocactus pubispinus (Engelm.) L.D. Benson |
Accepted |
 |
TRO |
|
Sclerocactus pubispinus var. sileri L.D. Benson |
Synonym |
 |
TRO |
|
Sclerocactus pubispinus var. spinosior (Engelm.) S.L. Welsh |
Synonym |
 |
TRO |
|
Sclerocactus scheeri (Salm-Dyck) N.P. Taylor |
Accepted |
 |
TRO |
|
Sclerocactus schlesseri K.D. Heil & S.L. Welsh |
Synonym |
 |
TRO |
|
Sclerocactus sileri (L.D. Benson) K.D. Heil & J.M. Porter |
Accepted |
 |
TRO |
|
Sclerocactus spinosior (Engelm.) D. Woodruff & L.D. Benson |
Accepted |
 |
TRO |
|
Sclerocactus spinosior subsp. blainei (S.L. Welsh & K.H. Thorne) Hochstätter |
Synonym |
 |
TRO |
|
Sclerocactus spinosior var. blainei (S.L. Welsh & K.H. Thorne) R. May |
Synonym |
 |
TRO |
|
Sclerocactus terrae-canyonae K.D. Heil |
Synonym |
 |
TRO |
|
Sclerocactus uncinatus (Galeotti ex Pfeiff.) N.P. Taylor |
Synonym |
 |
TRO |
|
Sclerocactus uncinatus subsp. crassihamatus (F.A.C. Weber) N.P. Taylor |
Synonym |
 |
TRO |
|
Sclerocactus uncinatus var. crassihamatus (F.A.C. Weber) N.P. Taylor |
Synonym |
 |
TRO |
|
Sclerocactus uncinatus var. wrightii (Engelm.) N.P. Taylor |
Synonym |
 |
TRO |
|
Sclerocactus uncinatus subsp. wrightii (Engelm.) N.P. Taylor |
Synonym |
 |
TRO |
|
Sclerocactus unguispinus (Engelm.) N.P. Taylor |
Synonym |
 |
TRO |
|
Sclerocactus unguispinus var. durangensis (Ruenge) N.P. Taylor |
Synonym |
 |
TRO |
|
Sclerocactus warnockii (L.D. Benson) N.P. Taylor |
Synonym |
 |
TRO |
|
Sclerocactus wetlandicus Hochstätter |
Accepted |
 |
TRO |
|
Sclerocactus wetlandicus var. ilseae Hochstätter |
Synonym |
 |
TRO |
|
Sclerocactus whipplei (Engelm. & J.M. Bigelow) Britton & Rose |
Accepted |
 |
TRO |
|
Sclerocactus whipplei var. glaucus (K.Schum.) S.L.Welsh |
Unresolved |
 |
WCSP (in review) |
|
Sclerocactus whipplei var. heilii Castetter, P. Pierce & K.H. Schwer. |
Synonym |
 |
TRO |
|
Sclerocactus whipplei var. intermedius (Peebles) L.D. Benson |
Synonym |
 |
TRO |
|
Sclerocactus whipplei var. pygmaeus Peebles |
Synonym |
 |
TRO |
|
Sclerocactus whipplei var. reevesii Castetter, P. Pierce & K.H. Schwer. |
Synonym |
 |
TRO |
|
Sclerocactus whipplei var. roseus (Clover) L.D. Benson |
Synonym |
 |
TRO |
|
Sclerocactus wrightiae L.D. Benson |
Accepted |
 |
TRO |
|