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Bur Oak Acorn Cluster (Quercus macrocarpa) just starting to ripen.  They were photographed in the â??sweet lightâ?? of the late afternoon sun.
Oak tree acorn in Termessos National Park
Oak leaf with galls of Gall wasp, close-up.
Colorful autumn leaves.
Oak galls on an oak leaf close-up
Acorns and oak leaves on white background with clipping path included.
Oak galls, ink nuts on oak. Cynips quercusfolii
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oak tree branch with acorns
Acorn lying on the green vegetation in the forest
Oak apple or oak gall is a type of gall caused by gall wasp. Oak galls have been used in the production of ink since of the Roman Empire.
Oak autumnal leaves with acorns. Background image of leaves.
oak apple gall from an Oregon Oak that was induced by the California gallfly Andricus californicus, Andricus quercuscalifornicus.
Gallapfel im Herbst auf einem Eichenblatt mit Farn
Three oak apples or oak galls on a oak leaf. They are caused by chemicals injected by the larva of gall wasp.  Oak galls have been used in the production of iron gall ink since at least the time of the Roman Empire.
Fallen wild fruit seeds and shoots growing on forest ground
Oak branch with acorns and oak leaves isolated on white.
Close up view on a water drop falling from the tip of acorn on a tree branch in autumn in the mystical forests near Kalambaka, Meteora, Thessaly, Greece, Europe. Selected focus on a chestnut oak tree
03 november 2022, Basse Ham, Thionville Portes de France, Moselle, Lorraine, France. It's fall. On the ground, some dead oak leaves are parasitized by a Cherry Gall larva. The cocoon forms a small ball, attached to the leaf. The larva will overwinter there.
Growing brown acorns on an oak branch. Seeds, fruits, nuts of a forest tree. Autumn. Oak acorn
a worm walks on a green acorn
A gall on a oak tree, with the exit hole of the wasp clearly shown.
Leaf i found with some interesting creatures on the underside.
Oak fruit lies on the ground in the moss
Closeup on a Cherry Gall wasp nest, Cynips quercusfolii on a fallen oak leaf.
Horizontal closeup photo of a group of three ripe brown acorns hanging by the stem on an Oak tree with green leaves in late Summer. New England high country NSW.
Bur oak (Quercus macrocarpa) acorns ripening on the tree.
Quercus durata, the California scrub oak, or leather oak, is an oak endemic to California.  Acorn.  Fagaceae.
A group of three Oak Galls, or Oak Apples, on a small young oak tree. Taken in a woodland in West Yorkshire, UK, with a Canon EOS 700d digital camera.
Oak galls
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