the root (no rank)
Eukaryota (domain)
Viridiplantae (kingdom)
Embryophyta (phylum)
Magnoliophyta (subphylum)
Liliopsida (class)
Cyperales (order)
Poaceae (family)
Pooideae (subfamily)
Avena (genus)
oats (common name)
[hide inferior taxa]
Avena agadiriana (species)
Avena clauda (species)
Avena fatua (species)
Avena nuda (species)
Avena sativa (species)
Avena sp. (species)
Avena sterilis (species)
Avena strigosa (species)