400 million years ago, there were no trees. But there were giant mushroom forests https://www.smithsonianmag.com/smart-news/long-before-trees-overtook-the-land-

400 million years ago, there were no trees. But there were giant mushroom forests https://www.smithsonianmag.com/smart-news/long-before-trees-overtook-the-land-earth-was-covered-by-giant-mushrooms-13709647/ https://www.smithsonianmag.com/smart-news/long-before-trees-...