Spoilers ahead. Follow the links to learn more:
However, if we’re talking about the good old heaviest organism ever found, that prize goes to… a single quaking aspen [Populus tremuloides] named “Pando” that weighs over 6,000 tonnes – as much as forty blue whales. If you go to Fishlake National Forest, though, you won’t see a giant tree trunk – you’ll just see a forest of regular-sized trees. But, thanks to genetic testing, we’ve learned that this stand of aspen covering 106 acres of land is actually a single clonal organism that grew from a lone seed long ago.
Related reading: A working list of the largest organisms.
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