Sclerocactus brevihamatus ssp tobuschii
Sclerocactus papyracanthus FH 083
Sclerocactus papyracanthus
Sclerocactus scheeri (Ancistrocactus megarhizus)
Sclerocactus spinosior ssp blainei RP136e
Sclerocactus spinosior ssp blainei SB 1540
Sclerocactus uncinatus ssp uncinatus
Sclerocactus uncinatus ssp wrightii
Sclerocactus whipplei ssp busekii SB1086
Sclerocactus wrightiae HK1336