I walked to lunch today, and paused along the way to take pictures of some of the lichens I saw.
There were only a few species represented (I assume, based purely on superficial appearance, which my brother tells me is not actually a good way to identify lichens).
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I also saw this handsome moss along the way:
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Someone on Twitter was just mentioning that the fact of their easy visibility in winter is one of the best things about lichens.