Classification
Biota [regio]Plantae [regnum]
Tracheophyta [phylum]
Magnoliopsida [classis]
Fagales [ordo]
Fagaceae [familia]
Quercus [genus]
Genus Quercus contains the following taxa:
Quercus petraea (Matt.) Liebl. [species]
Quercus robur L. [species]
Quercus suber L. [species]