map lichen
noun1
Rhizocarpon geographicum, a lichen that grows in patches on rocks in mountainous areas, giving the appearance of a map.
noun
Rhizocarpon geographicum, a lichen that grows in patches on rocks in mountainous areas, giving the appearance of a map.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
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