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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[–] magpie@mander.xyz 2 points 19 hours ago (1 children)

It varies a lot, some lichens are more sensitive than others. There are species you won't find in areas with poor air quality but some species will thrive in the the same conditions. I have even read about lichens growing in areas polluted by toxic slag.

https://www.cbc.ca/news/canada/edmonton/what-lichens-can-tell-us-about-climate-and-pollution-1.6989959

[–] profgrumpypants@midwest.social 1 points 18 hours ago

This person, is in the know!