this post was submitted on 20 Jun 2025
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Lichen

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A community for lichen enthusiasts to post photos, questions or to discuss the science of lichenology.

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I don’t know much about them, but saw this on a hike and thought you folks here might lichen it! (lemmy.world)
submitted 2 days ago by I_Fart_Glitter@lemmy.world to c/Lichen@mander.xyz
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[–] profgrumpypants@midwest.social 9 points 2 days ago (6 children)

If you see these guys, the air quality is good!

[–] j4k3@lemmy.world 4 points 2 days ago (1 children)

nerdy reason needed

[–] profgrumpypants@midwest.social 7 points 2 days ago

Lichens are sensitive to pollution, so cannot grow in places with bad air quality. As far as I know. Perhaps someone else can elaborate?

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