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January 20, 2023

Should you worry about lichens, moss, algae on trees?

By JESSICA DAMIANO
Associated Press

Image from iStockPhoto
And the growth of lichens is actually a good sign because the organisms will not survive in polluted areas. If you’ve got lichens, you’ve got good air quality.

Now that deciduous trees are bare, trunks and branches have taken center stage, and you might be noticing nuances and irregularities that evaded your attention over the summer. For instance, what are those green masses growing on your trees?


 
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