1. Plantae
  2. Tracheophyta
  3. Magnoliopsida
  4. Fagales
  5. Fagaceae
  6. Quercus
  7. Quercus robur

Quercus robur 'Nigra'

Leaves deep purple. Available in nurseries in Germany and Belgium before 1863.

kingdom Plantae
phylum   Tracheophyta
class    Magnoliopsida
superorder     Rosanae
order      Fagales
family       Fagaceae
genus        Quercus L.
species         Quercus robur L.