Lichen
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anything, depends how you say it
Lichen meaning & definition 1 of Lichen.
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a grey, green, or yellow plant-like organism that grows on rocks, walls, and trees
Lichen meaning & definition 2 of Lichen.
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A simple slow-growing plant that typically forms a low crusty, leaflike, or branching growth on rocks, walls, and trees.
Lichen meaning & definition 3 of Lichen.
