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, ...
After more than 40 years collecting, classifying and studying the life forms known as lichens, Dr Gintaras Kantvilas, from the Tasmanian Herbarium, has only scratched the surface of Australia’s ...
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