The presence of lichen or moss on backyard trees can understandably be concerning at first. Lichen is a combination of algae and fungus that lives on any number of solid, undisturbed surfaces, ...
Over the course of many years working with trees, hundreds of people have asked me about “that stuff” growing on the bark, or hanging from the branches of trees. What is it? Is it a disease? Is it ...
What could possibly be inspiring about that green stuff covering Oregon’s trees? What could possibly be inspiring about that green stuff covering Oregon’s trees? Lichen is a an ecological wonder that ...
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