Lichens are much harder and many are flatter than moss, although some lichens are stringy,' says Scott. 'Lichens on rocks are flat, on trees they are stringy,' he explains. Moss, on the other hand ...

Lichens and mosses can squeeze into cracks and crevices ... Critters big and small trample, crush, and plow rocks as they scurry across the surface and burrow underground. Plants and animals ...

Here, scattered amongst exposed rock surfaces encrusted with a wide variety of lichens and mosses, are found several unique plants typical of regions much farther to the north. These hardy pioneers ...

Lichens, like this Phyllopsora gossypina, and mosses are found on all trees and leaves in the Amazon rainforest. Researchers have now found that they emit considerable amounts of reactive ...

More than just curious growths on rocks and trees, lichen can endure extreme temperatures ... Lichens are neither plant nor animal and they are not moss. They are symbiotic organisms composed ...