She wants to compare tree pollen from a modern forest killed by acid rain with fossil pollen found in Permian rocks ... million segments in some golf-ball-size rocks. All that fungi in boundary ...
More information: Comparison between plant fossil assemblages across the Permian-Triassic Boundary and simulated biomes, Frontiers in Earth Science (2025). DOI: 10.3389/feart.2025.1520846 ...
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