oaks

White Oak Quercus alba with schematic and simplified root structure

Oak tree Quercus robur in full leaf. Illustration from The Hidden Universe: Adventures in Biodiversity by Alexandre Antonelli

Oak sudden death Phytophthora ramorum fungi and algae pest on Oak tree Quercus

Oak spangle galls from wasp Tilia platyphyllos and Silk button galls from wasp Neuroterus numismalis on Oak leaf Quercus robu

Oak Quercus robur sketchbook page including flowers and young leaves

Old oak woodland with bullfinch, woodpecker, badger, orange tip butterfly, vole, and ground beetle in amongst the plants growing on the forest floor below the spreading oaks