Pando is an ancient quaking aspen tree (Populus tremuloides) with 47,000 genetically identical stems, or tree trunks, connected to a vast underground root system. Each stem is a clone of the one ...

Pando is a quaking aspen tree found in Utah's Fishlake National Forest in Sevier County. Looking at pictures of it, you'd be forgiven for wondering which one among the hundreds of trunks is that ...