The Jeffrey pine, one of the iconic trees of the Sierra Nevada, appears to have eclipsed other pines to become the ...

Scientist finds Jeffrey pine trees at record mountain heights, suggesting climate-driven shifts in Sierra Nevada.

A professor's casual hike in the High Sierra turned into a new elevation record for California's highest tree, the Jeffrey pine, which wasn't formerly known to grow at extreme elevations.

The Jeffrey pine grows in upper montane areas throughout the Sierra Nevada and is the most common tree found around Lake Tahoe and Mammoth Lakes. It is not considered a traditional subalpine tree ...

Six conservancies throughout the state will oversee work largely in Southern California and the Sierra Nevada.

An executive order issued Friday directs federal personnel to increase timber quotas by 25% on 113 million acres of national ...

UC Davis Professor Hugh Safford was hiking for pleasure in California's High Sierra when he stumbled upon a new elevation ...