Children (13 direct children, 13 direct and indirect children):
Epithelantha micromeris var. micromeris
Epithelantha micromeris polycephala
Epithelantha micromeris unguispina
Epithelantha micromeris pachyrhiza
Epithelantha micromeris greggii
Epithelantha micromeris subsp. bokei
Epithelantha micromeris var. pachyrhiza
Epithelantha micromeris var. bokei
Epithelantha micromeris var. greggii
Epithelantha micromeris var. polycephala
Epithelantha micromeris var. unguispina
Epithelantha micromeris var. densispina
Epithelantha micromeris var. rufispina