Synonyms
Mammillaria runyonii (Britton & Rose) Cory
Coryphantha runyonii Britton & Rose
Lepidocoryphantha macromeris subsp. runyonii (Britton & Rose) Doweld
Lepidocoryphantha runyonii (Britton & Rose) Backeb.
Coryphantha macromeris var. runyonii (Britton & Rose) Benson