Ключевые слова: abstract, background, biology, brown, candelaria concolor, candleflame lichen, color, commonly, cover, covering, detail, ecology, ecosystem, environment, fungi, geology, grain, grey, grungy, lemon lichen, lichen, limestone, marl, marlstone, mineral, mountain, natural, nature, old, orange, organism, outdoors, patches, pattern, physcia, rhizocarpon, rock, rough, sedimentary, sedimentary rocks, sparse, stone, surface, symbiotic, texture, textured, weathered, weathering, white, yellow,