Ключевые слова: aged, algae, background, bark, biology, birch, branch, bright, brown, close up, closeup, color, cyanobacteria, detail, environment, flora, foliose, forest, fungi, fungus, golden, green, grow, growth, landscape, leaf, lichen, lichens, life, macro, moss, natural, nature, old, orange, outdoor, pattern, plant, shore lichen, surface, symbiosis, texture, thallus, tree, trunk, winter, wood, yellow,