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Series · Plants Are Not Innocent
Plants Strike Back
Episode 11 of 16
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Our Weird Planet

Trees secretly chat using underground fungi

Think of it as a hidden fungal network helping them share news and resources

By Smartasaurus· 1 min read Curious

There is a massive, silent internet running right under your boots

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The short version
  • Think of it as a hidden fungal network helping them share news and resources
  • This isn't just a friendly exchange.
  • Some orchids have even figured out how to 'hack' the system, plugging into the web to steal nutrients without giving anything back.

A forest is not just a collection of trees; it is a single, massive intelligence connected by an underground web. Trees use a network of fungi called mycorrhizae to talk to one another and trade supplies.

This fungal thread connects the roots of different species across miles of soil. When a tree is attacked by beetles, it sends chemical 'data packets' through the network to warn its neighbors.

In response, the surrounding trees start pumping out toxins to prepare for the invasion before the bugs even arrive. Older 'Mother Trees' use the web to identify their own saplings and send them extra sugar to help them grow in the shade.

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Utah's forest is actually one huge tree
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Utah's forest is actually one huge tree

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