FLAGSTAFF — Beneath the scenic yellow and red leaves of soaring aspen trees in the Kachina Wilderness ... Beneath the towering white trunks of the aspens, Stoddard looks to the thin plants ...

Admirers frequently note the striking white bark of quaking aspen ... the ‘fixed’ leaves was, on average, about 27% higher in the stabilized members of the pairs. This tree species seems ...

Angel Watkins and co-workers in Colorado blame many culprits in the decline of the Aspen. JT Thomas It's a relentlessly sunny day in the Rocky Mountains, and here at 9,000 feet, on the Grand Mesa ...