If you journey to Fishlake National Forest in Utah, you'll be surrounded by a high-elevation behemoth.
It's one of the largest life forms on the planet: a quaking aspen so colossal it has a name — Pando, which is Latin for "I spread."
You might mistake Pando for a swath of forest of thousands of individual trees. But in reality, it's all one tree connected by a single root system...