the root (no rank)
Eukaryota (domain)
Viridiplantae (kingdom)
Embryophyta (phylum)
Magnoliophyta (subphylum)
Liliopsida (class)
Cyperales (order)
Poaceae (family)
Panicoideae (subfamily)
Zea (genus)
[hide inferior taxa]
Zea diploperennis (species)
Zea mays (species)