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Closeup on Map lichen Rhizocarpon geographicum growing on a stone

Photo taken at water edge in Canada’s Cottage Country Muskoka area.

A variety of lichens growing on the surface of a stone.

Large bedrock in the arctic landscape with lush plants on Disko Island outside Ilulissiat in western Greenland

Tree bark is bark and bast and protects the tree from enemies

Lichen-Covered Boulder, McDowell Sonoran Conservancy Brown's Ranch Trailhead in Scottsdale, Arizona

colorful background of moss, lichen, grass, fungus and small plants on the ground

Close-up full frame shot of textured plant bark with moss and fungus

Lichen, Fungus, Macrophotography, Extreme Close-Up

A Sporangium moss growing on the stair wall in the field

Macro view of lichen and moss. Texture perfect for designers. Organic and macro background. Old stone covered with moss and lichen.

Microdosing mushrooms on green fresh moss in summer sunny forest

$Cladonia is a genus of moss-like lichens in the family Cladoniaceae. They are the primary food source for reindeer/caribou. Cladonia species are of economic importance to reindeer-herders, such as the Sami in Scandinavia or the Nenets in Russia. Antibiotic compounds are extracted from some species to create antibiotic cream. The light green species Cladonia stellaris is used in flower decorations. \nAlthough the phylogeny of the genus Cladonia is still under investigation, two main morphological groups are commonly differentiated by taxonomists: the Cladonia morpho-type and the Cladina morpho-type. The Cladonia morpho-type has many more species, and is generally described as a group of squamulose (grow from squamules), cup-bearing lichens. The Cladina morpho-types are often referred to as forage lichens, mat-forming lichens, or reindeer lichens (due to their importance as caribou winter forage). \nCladonia perforata (\$

Green nature background of moss on rocks

Lichen-covered rock amidst greenery and small yellow flowers. Wilderness background

Various lichens Usnea sp growing on stone in woods on sunny day

Stone with lichen in a field outside Itelleq which is a small village famous for its sheep farming in the south western part of Greenland.

Lichen Cladonia coccifera. Green-red lichen. Selective focus. Photo made in north of Norway on the coast - near Tromso City.

Colorful lichen and moss on soil and stones in the mountain in Spain

Rock with lichen in bed of oak leaves. The crusty, paint-like form identifies this as a crustose lichen. Lichens are not plants; they are composite organisms of algae and fungi, which are in a symbiotic relationship. They grow on rocks, trees and other surfaces (doing no harm to trees). When wet they look greener and more vibrant. Their reproductive structures, visible in this photo, produce spores. Lichens are an air quality indicator, thriving where the air is clean, and moisture and sunlight are plentiful.

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