Children (7 direct children, 7 direct and indirect children):
Escobaria missouriensis asperispina
Escobaria missouriensis var. asperispina
Escobaria missouriensis var. caespitosa
Escobaria missouriensis var. marstonii
Escobaria missouriensis var. robustior
Escobaria missouriensis var. similis
Escobaria missouriensis subsp. missouriensis