Related how?

Biota (Life)
Eukaryote (Eukarya)
Diaphoretickes (Plants+hc+sar megagroup)
Archaeplastida
Plant (Green plants)
Viridiplantae (Chlorobiota)
Streptophyta (Streptophytina)
Embryophyte (Land plants)
Tracheophyta (Higher plants)
Euphyllophytina (Euphyllophyta)
Radiatopses
Lignophyta
Seed plants (Phanerogams)
Angiosperms (Flowering plants)
Mesangiosperms (Core angiosperms)
Eudicots (Eudicotidae)
Core eudicots
Superrosids
Rosids (Rosiden)
Eurosids i (Fabids (in apg iii))
Fagales
Fagaceae (Beech family)
Quercus (Oak)

Quercus subg. quercus (4163388)

Children (7 direct children, 8 direct and indirect children):

Quercus nigra (tree size 1)
Water oak

Quercus sect. cerris

Quercus sect. mesobalanus

Quercus sect. protobalanus

Quercus sect. lobatae

Quercus sect. quercus

Quercus fleuryi
Cyclobalanopsis fleuryi