1. Plantae
  2. Tracheophyta
  3. Magnoliopsida
  4. Caryophyllales
  5. Cactaceae

Mammillaria thornberi

kingdom Plantae
phylum   Tracheophyta
class    Magnoliopsida
superorder     Caryophyllanae
order      Caryophyllales
family       Cactaceae
Higher taxa
Subordinate taxa
subspecies         Mammillaria thornberi subsp. yaquensis