Quercus robur | Quercus ilex | Quercus petraea | Quercus alba | Quercus cerris | Quercus virginiana | Quercus rubra | Quercus garryana | Quercus acutissima | Quercus palustris | Quercus minima | Quercus fusiformis | Quercus castaneifolia | Quercus agrifolia | sand live oak (''Quercus geminata'') | Quercus × warei | ''Quercus'' × ''warei'' | Quercus suber | ''Quercus robur'' | Quercus peninsularis | Quercus lusitanica | Quercus lobata | Quercus laceyi | Quercus ilicifolia | Quercus hemisphaerica | Quercus havardii | Quercus glauca | Quercus frainetto | Quercus engelmannii | Quercus copeyensis |
The lowest zone below 500 m is occupied by broad-leafed trees, including Quercus mongolica, Acer pictum subsp. mono and Cercidiphyllum japonicum.