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Many of the trees on Mitcham Common (just outside London) are encrusted with this common yellow lichen. Lichens represent a symbiotic relationship between a fungus and an alga, and their presence indicates non-polluted air. Includes an out-of-focus area for overlaying text.
autumn tree background in japan, saitama, Japan
moss on trees in Madeira
Space for text
a tree trunk with lichens on it and a moss growing on it
Log, wood, moisture, texture, background, closeup, yellow
imperial coconut tree trunk covered with fungus and moss.
Blue sky and a big tree on the meadow
goldenrain tree flowers in the garden
Japan. August. Red maple tree.
A Scottish Pine tree is partially covered with fresh snow and green Lichen, with more Pine trees, Heather and sun beams in the background. Taken in Roseisle forest, winter of 2015, Moray, Scotland.
A photo of trees and rocks close to Cape Town
White fingetree (Chionanthus virginicus). Close up image of flowers and leaves
Close-up photograph of Paper Birch trees in Springtime.
Branch with golden foliage of autumn birch on blurred mountain landscape background. Indian summer. Autumn landscape with bright yellow foliage.
Trees in the forest in Turkey.
Beauty Hawthorn tree in the park
Natures background, selective focus and very shallow depth of field
Winter forest atmosphere
Tree trunk of a birch with blue background.
Ginkgo tree with yellow leaves
Lichen on rock
Tree trunk covered with green mold and moss, tree bark close-up.
Branches on a tall Spruce tree in a forest. Taken on a mobile device.
A fallen branch covered in lichen and moss in the Native Bush on Ulva Island, New Zealand.
Moss background
Green moss on the tree bark for natural background and wallpaper.
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Green moss growing on the tree.
Old Man's Beard Lichen (Usnea subfloridana) growing in Speyside, in the Scottish highlands where it is an indicator species of clean air
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Pale lichen on tree.jpg
Tree snake.jpg
Desert tree.jpg
Mother tree.jpg
Tree tops.jpg
Tree top.jpg
Bigarreau tree.jpg
Tree shadows.jpg
Rubber tree (1).jpg
Tree plantation.jpg
Lichen on granite.jpg
Lichen concrete.jpg
A palmetto.jpg
Mushrooms under tree.jpg
Autumn linden tree.jpg
Bradford pear tree.jpg
Odd tree roots.jpg
Small tree house.jpg
Pale purple flowers.jpg
Red tree flowers.jpg
Bark rind tree.jpg
Red tree berries.jpg
Apple tree trunk.jpg
Big mossy tree.jpg
Fruit tree flower.jpg
Bark tropical tree.jpg
Paperbark (1).jpg
Snail in tree.jpg
Tree in desert.jpg
Tree over lake.jpg
Old tree closeup.jpg
Tree beside road.jpg
Tree lined trail.jpg
Tree at sunrise.jpg
Mushroom on tree.jpg
Cypress tree knees.jpg
Penny tree leaves.jpg
Pine tree bark.jpg
Tree bark cortex.jpg
Tree view.jpg
Tree trunk.jpg
Peace tree.jpg
Oak tree.jpg
Spruce tree.jpg
Catalpa tree.jpg
Dead tree (1).jpg
Flowering tree (1).jpg
Introduced tree.jpg
Paperbark tree.jpg
Tree roots (1).jpg
Willow tree (1).jpg
Christmas tree (1).jpg
Snowy tree (1).jpg
Bark feature.jpg
Paperbark texture.jpg
Frog on burned tree.jpg
Pine barrens tree frog.jpg
Top of autumn tree.jpg
Acorns from the tree.jpg
Snow on spruce tree.jpg
A small palmetto.jpg
Black bear with tree.jpg
Bobcat sitting in tree.jpg
Bananas fruit (1).jpg
Alone tree in water.jpg
Bradford pear tree blossoms.jpg
Flowering larch on tree.jpg
Top of dying tree.jpg
Grass under big tree.jpg
Big white tree flower.jpg
Flowers plants on tree.jpg
Pale jewelweed yellow flower.jpg
White chestnut tree flowers.jpg
White flowers on tree.jpg
Bark rind tree plant.jpg
Old wood tree disc.jpg
Green tree python snake.jpg
Tree deep in forest.jpg
Tree in Zion park.jpg
Blue agapanthus.jpg
Potato flowers (1).jpg
Old tree by roads.jpg
Tree top in autumn.jpg
Pink rose (1).jpg
Tree trunk in woods.jpg
Pine tree bark texture.jpg
Gum tree at sunset.jpg
Banana leaf green.jpg
Bark cortex texture.jpg
Banana leaf green (1).jpg
Granite mossy lichen.jpg
Rock with lichen.jpg
Bark texture wood.jpg
Bark wood texture.jpg
Redgum bark.jpg
Cortex wood.jpg
Palm leaves.jpg
Stones lichen small plants.jpg
Opium poppy flower.jpg
Pale larkspur flower.jpg
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