Fungi living in cattail roots could improve our picture of ancient ecoystems

Some fossil plants that lived in wetlands had fungi living in their roots, and others don’t. To understand why, scientists waded into modern wetlands and yanked up cattails to study the fungi living in their roots. They learned that cattail roots deeper underwater have fewer fungi living in them than in drier roots. That means that the fungi present in fossil plant roots can tell us about the environment those plants lived in.
Paleontology News — ScienceDaily

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