Cork oak tree
Cork oak trunk
Cork oak
Cork oak tree, 19th century
Cork cut from cork oak bark
Stacked cork oak bark
France, Corsica, San Pellegrino, tree trunk of an old cork oak
Bark of cork oak (Quercus suber)
Harvested cork oak tree
Oak trees and wildflower meadow
Harvested cork oak tree (close-up)
Cork oak (Quercus suber), artwork
Man removing bark from cork oak in Portugal
Burl on a sessile oak (Quercus petraea)
Oak tree
Trunk of Southern Live Oak Tree
コルクの木
Sweet chestnut (Castanea sativa) tree
France, Corsica, San Pellegrino, old cork oaks in sunlight
Madrone tree bark
Ancient oak tree (Quercus sp.)
Tree eye of an oak, close-up
Tracheary vessels in oak wood
American beech trunk
France, Corsica, San Pellegrino, old cork oaks
Sugar gum (Eucalyptus cladocalyx) tree
Peeling Eucalyptus camaldulensis bark
Marques de Riscal' wine cork, Rioja, Spain
Weathered tree bark
Pale oyster mushroom
Oak leaves
Italy, Sardinia, Aggius, cork oak forest
Monarch birch trunk
Debonair pond cypress (Taxodium ascendens 'Morris')
English oak tree (Quercus robur) trunk
Liana bark
Bleeding broadleaf crust
Acorns from an oak tree
Madrone tree
Yew tree bark
Yew tree trunk
Young woman reading a book leaning against a cork oak tree
Bleeding canker on tree bark
Pine tree bark
Ancient oak woodland
Oak sapling (Quercus robur)
Cork oaks (Quercus suber) growing along countryside highway in summer
Low Angle View of Large Oak Tree in Winter
Scots pine bark abstract
young oyster mushrooms
Lichen
Paperbark maple trunk
Black sally trunk
Catalpa Tree
Section of cherry wood bark
Pine tree trunk
Tangled tree trunks
Insect in tree resin
Birch tree bark
Burl on tree trunk
Common lime tree bark
Oak acorns (Quercus robur)
Cyprus cedar bark abstract
Poplar wood
Euphorbia trunk
Holm oak (Quercus ilex) with acorns
Holm oak (Quercus rotundifolia) in flower
Corks in a glass container
Oak acorn
Elm trunk
Oak xylem
Large elm beetle larval galleries
コルクの板
Oak leaf
Tibetan cherry tree bark
Maple tree
Tree resin
Oak tree, 1840s calotype negative
Tree growing into railings
Freshly peeled cork rinds stacked in a forest (detail)
Silver birch bark
Close-up of green tree bark
Quercus coccifera
Old mossy tree trunk
Eucalyptus bark (Eucalyptus sp.)
Dried oak leaf
Oak leaf, light micrograph
Three pieces of oak bark
Ayahuasca trunk
Natural Environment
Gold dust lichen
Leaves and acorns from an oak tree
Lichen on cinnamon trees
Paper-bark maple abstract
Kirlian image of oak leaf
Puss moth on tree trunk
graphic close-up of a palm tree trunk
Smiling young woman at a tree trunk
Acorns (Quercus robur)
Oak (Quercus sp.) leaves and acorns on twig
barck in the abstract close up of a tree color and texture
カシワ
Stripping bark from oak trees mixed with copperas.
Brown oak disc mushrooms
Downy oak (Quercus pubescens) in flower
Oak tree, low angle view
Baobab tree
Wasp beetle
Paperbark maple
Irregular area of flaking bark
Wolf's milk slime mould
Cicada
Acer rufinerve bark
Maple bark (Acer sp.)
Oak tree at sunrise
Clover mites on tree bark
Burl on an oak trunk
Lapacho bark
Inserting scion into bark with tapering cut facing inwards
樹皮に緑の苔を付けた大きな樫
Bluebells in woodland
Common oak, chopped bark and leaves
Alligator juniper (Juniperus deppeana)
Burr on a silver birch (Betula pendula)
Ancient oaks (Quercus robur)
プラタナスの樹皮
Autumn leaves
Carob tree seed pods (Ceratonia siliqua)
Swallow prominent moth
Crystals in oak leaf veins, light micrograph
Tree trunk stripped by elephants
Spanish Chestnut, Castanea Sativa, Albion Area, Drome, France
Common alder (Alnus glutinosa)
Cross-section of English oak, polarised light micrograph
Tree bark
Fungi on an Oak tree
ムクノキ 樹皮
クヌギ 樹皮
アキニレ 樹皮
ケヤキ 樹皮
カシワ(薬用) タンニン原料
青桐 アオギリ 樹皮
Brown tree trunk texture background in nature
Plane tree (Platanus hispanica) bark