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

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

Sun Valley Resort has been recognized as a Whitebark Pine Friendly Ski Area—a designation bestowed on only seven other U.S.

One of the world’s rarest trees is bearing fruit for the first time in a garden in Worcestershire. A retired couple in ...

In the face of mounting threats from climate change, mixed species forests have been called an "insurance policy" for UK ...

The Bug That’s Eating the Woods.” “Small Pests, Big Problems: The Global Spread of Bark Beetles.” “Eighty-Nine Million Acres ...

Imagine walking through a misty British woodland at dawn, the silence broken only by the rustle of leaves and the distant ...

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

are facing another threat in the form of an invasive species that could spell another incendiary disaster, officials warn.

To date, none of the six traditional subalpine forest species have been collected above 12,034 feet. This suggests the Jeffrey pine is California's highest tree -- at least for the moment.

Lodgepole pine grows on a wide variety of soils, from water-logged organic soils to well-drained glacial outwashes. It grows best in moist soils derived from granite, shale, and coarse grained lavas.