I liked how the roots of this tree were growing down the rock in search of cracks in the rocks.
I have been getting into the lichen lately. Here is a picture of Dragon Skin (Loberia oregana). It's a really neat looking lichen usually found only in old growth forests. It indicates a healthy forest ecosystem rich in nitrogen. This particular lichen is also a nitrogen fixer, meaning it has a cyanobacteria living on it that changes atmospheric nitrogen into ammonium, a usuable source of nitrogen for plants. The ammonium leeches out of the bacteria when it rains and makes its way to the forest floor.
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