Escobaria missouriensis var. missouriensis - Missouri Ball Cactus

Scientific name: Escobaria missouriensis var. missouriensis

Synonyms: Coryphantha missouriensis, Mammillaria missouriensis, Neobesseya missouriensis, Neobesseya wissmannii

Common names: Missouri fox-tail cactus, Missouri foxtail cactus, Missouri ball cactus, Missouri pincushion