Children (12 direct children, 12 direct and indirect children):
Thelocactus bicolor subsp. bicolor
Thelocactus bicolor subsp. heterochromus
Thelocactus bicolor subsp. bolaensis
Thelocactus bicolor var. bicolor
Glory of texas
Thelocactus bicolor var. flavidispinus
Glory of texas
Thelocactus bicolor schwarzii
Thelocactus bicolor subsp. zwaki
Thelocactus bicolor subsp. zwakii
Thelocactus bicolor subsp. swobodae
Thelocactus bicolor subsp. commodus
Thelocactus bicolor subsp. flavidispinus
Thelocactus bicolor var. pottsii
Thelocactus bicolor var. schottii