Reasons I love the internet.
I was looking at a wall earlier, there was some yellow lichen on it. I wondered what compound made it yellow.
Just now I typed "yellow flat lichen" into google. It took me to the wikipedia page for the common lichen
https://en.wikipedia.org/wiki/Xanthoria_parietina
And that lead directly to the compound that makes it yellow.
https://en.wikipedia.org/wiki/Parietin
Just the sort of info I was looking for!
#LichenSubscribe
Dr David Mills
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2026-03-17 12:09:30 UTC
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