FLAGSTAFF — Beneath the scenic yellow and red leaves of soaring aspen trees in the Kachina Wilderness, forest ecologist Mike Stoddard is looking down. His concern isn’t the brilliant fall ...

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 ...