Beard lichen (Usnea barbata, pale green) on a pine tree (Pinus sp.). Lichens are formed from the a symbiotic association between a fungus and an alga.

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Beard lichen (Usnea barbata, pale green) on a pine tree (Pinus sp.). Lichens are formed from the a symbiotic association between a fungus and an alga. Photographed in La Palma of the Canary Islands.

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Size: 5194px × 3450px
Photo credit: © DR. JOHN BRACKENBURY/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: alga, algae, barbata, beard, biological, biology, blue, botanical, botany, branch, canarian, canary, flora, fungal, fungi, fungus, gymnosperm, highland, hill, hillside, hypha, hyphae, islands, la, lichen, mans, microbiological, mutualism, mutualistic, nature, palma, pine, pinus, plant, region, sky, sp., symbiosis, symbiotic, tree, treemoss, usnea