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navigate by keyword : adjacent air areas black bordered close europe field flat fungi geographicum green grow growing individual largest lichen line low map mountainous nature norway oldest patch patches patchwork pollution rhizocarpon rock rocks species spores

Closeup of Map lichen on a rock Royalty Free Stock Photo

Close-up black foliose lichen and yellow map lichen on rock in mountains Royalty Free Stock Photo

Close-up yellow map lichen - the oldest living organism on Earth, on black rock in mountains Royalty Free Stock Photo

Wide Angle Close up of yellow green lichen moss on a rock in the Mojave Desert Royalty Free Stock Photo

Rhizocarpon geographicum map lichen growing on the rock Royalty Free Stock Photo

Close up view of lichen Royalty Free Stock Photo

normal map of abstract moss lichen texture background Royalty Free Stock Photo

Yellow map lichen Rhizocarpon geographicum on a quartzrock Royalty Free Stock Photo

Closeup on the green Map lichen, Rhizocarpon geographicum on an isolated rock in the Austrian alps Royalty Free Stock Photo

Black and green map lichen on the rock Rhizocarpon geographicum Royalty Free Stock Photo

Rhizocarpon geographicum is a species of lichen, which grows on rocks in mountainous areas of low air pollution. Each lichen is a flat patch bordered by a black line of spores. These patches grow adjacent to each other, leading to the appearance of a map or a patchwork field. The largest lichen growing on a rock is the oldest individual.