On a hillside in Utah’s Fishlake National Forest is a tree, and if you listen very carefully, this aspen is talking to us. This one plant actually looks like a forest of 47,000 genetically identical trees, which are effectively branches of the same organism connected by a massive root system. Each stem or ramet is a clone of the original tree, called trembling aspen (species Populus temuloides), all emanating from a single seed that sprouted over 9,000 years ago. Known as “Pando,” it is the world’s largest tree and one…
