Lichens slow to return after wildfires

Lichen communities may take decades—and in some cases up to a century—to fully return to chaparral ecosystems after wildfire, finds a study from the University of California, Davis, and Stanford University.

Reindeer lichens are having more sex than expected

In northern Canada, the forest floor is carpeted with reindeer lichens. They look like a moss made of tiny gray branches, but they're stranger than that: they're composite organisms, a fungus and algae living together as ...

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