Lichens are fascinating but often overlooked. They’re important in many ecosystems including our irreplaceable ancient woodlands, valued highly by the Woodland Trust.
The British Lichen Society promotes the study of this everyday, often beautiful group of symbiotic organisms. You can admire photos and use them in the difficult task of lichen identification.
Why care about lichens? For many reasons, including their value as indicators of air quality. Because they’re so responsive to air quality, lichens provide a classic example of natural selection on the land. On tree trunks, in fact.
Lichens can indicate stress in garden plants. But I say, these are beautiful organisms. If your trees and shrubs are growing well, enjoy them!
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