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| Look how inflated the lobes are; on the inside wall each of those finger-like projections is a short fuzzy substance (fungus hyphae). You can even see little hyphae strings hanging from the ceiling of the tunnel like spider webs. See the whole lichen below. |
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| This is a lichen which has lobes like the hollow one above, this one is on a twig and is about 5 cm long. The one above is magnified many times |